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87b717d1066f2c36eaf7076a7058446d9bc34798
atrens/DragonFlyBSD-src
sys/dev/sound/pci/emu10kx.c
[ "BSD-3-Clause" ]
C
emu_getcard
null
static unsigned int emu_getcard(device_t dev) { uint16_t device; uint16_t subdevice; int n_cards; unsigned int thiscard; int i; device = pci_read_config(dev, PCIR_DEVICE, /* bytes */ 2); subdevice = pci_read_config(dev, PCIR_SUBDEV_0, /* bytes */ 2); n_cards = NELEM(emu_cards); thiscard = 0; for (i = 1; i < n_cards; i++) { if (device == emu_cards[i].device) { if (subdevice == emu_cards[i].subdevice) { thiscard = i; break; } if (0x0000 == emu_cards[i].subdevice) { thiscard = i; /* * don't break, we can get more specific card * later in the list. */ } } } n_cards = NELEM(emu_bad_cards); for (i = 0; i < n_cards; i++) { if (device == emu_bad_cards[i].device) { if (subdevice == emu_bad_cards[i].subdevice) { thiscard = 0; break; } if (0x0000 == emu_bad_cards[i].subdevice) { thiscard = 0; break; /* we avoid all this cards */ } } } return (thiscard); }
/* * Get best known information about device. */
Get best known information about device.
[ "Get", "best", "known", "information", "about", "device", "." ]
static unsigned int emu_getcard(device_t dev) { uint16_t device; uint16_t subdevice; int n_cards; unsigned int thiscard; int i; device = pci_read_config(dev, PCIR_DEVICE, 2); subdevice = pci_read_config(dev, PCIR_SUBDEV_0, 2); n_cards = NELEM(emu_cards); thiscard = 0; for (i = 1; i < n_cards; i++) { if (device == emu_cards[i].device) { if (subdevice == emu_cards[i].subdevice) { thiscard = i; break; } if (0x0000 == emu_cards[i].subdevice) { thiscard = i; } } } n_cards = NELEM(emu_bad_cards); for (i = 0; i < n_cards; i++) { if (device == emu_bad_cards[i].device) { if (subdevice == emu_bad_cards[i].subdevice) { thiscard = 0; break; } if (0x0000 == emu_bad_cards[i].subdevice) { thiscard = 0; break; } } } return (thiscard); }
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Get best known information about device.
[ "Get", "best", "known", "information", "about", "device", "." ]
[ "/* bytes */", "/* bytes */", "/*\n\t\t\t\t * don't break, we can get more specific card\n\t\t\t\t * later in the list.\n\t\t\t\t */", "/* we avoid all this cards */" ]
[ { "param": "dev", "type": "device_t" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "dev", "type": "device_t", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
87b717d1066f2c36eaf7076a7058446d9bc34798
atrens/DragonFlyBSD-src
sys/dev/sound/pci/emu10kx.c
[ "BSD-3-Clause" ]
C
emu_wr
void
void emu_wr(struct emu_sc_info *sc, unsigned int regno, uint32_t data, unsigned int size) { KASSERT(regno != EMU_PTR, ("emu_wr: attempt to write to EMU_PTR")); KASSERT(regno != EMU_A2_PTR, ("emu_wr: attempt to write to EMU_A2_PTR")); emu_wr_nolock(sc, regno, data, size); }
/* * Direct hardware register access * Assume that it is never used to access EMU_PTR-based registers and can run unlocked. */
Direct hardware register access Assume that it is never used to access EMU_PTR-based registers and can run unlocked.
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void emu_wr(struct emu_sc_info *sc, unsigned int regno, uint32_t data, unsigned int size) { KASSERT(regno != EMU_PTR, ("emu_wr: attempt to write to EMU_PTR")); KASSERT(regno != EMU_A2_PTR, ("emu_wr: attempt to write to EMU_A2_PTR")); emu_wr_nolock(sc, regno, data, size); }
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Direct hardware register access Assume that it is never used to access EMU_PTR-based registers and can run unlocked.
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[]
[ { "param": "sc", "type": "struct emu_sc_info" }, { "param": "regno", "type": "unsigned int" }, { "param": "data", "type": "uint32_t" }, { "param": "size", "type": "unsigned int" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "sc", "type": "struct emu_sc_info", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "regno", "type": "unsigned int", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "data", "type": "uint32_t", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "size", "type": "unsigned int", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
87b717d1066f2c36eaf7076a7058446d9bc34798
atrens/DragonFlyBSD-src
sys/dev/sound/pci/emu10kx.c
[ "BSD-3-Clause" ]
C
emu_enable_ir
void
void emu_enable_ir(struct emu_sc_info *sc) { uint32_t iocfg; if (sc->is_emu10k2 || sc->is_ca0102) { iocfg = emu_rd_nolock(sc, EMU_A_IOCFG, 2); emu_wr_nolock(sc, EMU_A_IOCFG, iocfg | EMU_A_IOCFG_GPOUT2, 2); DELAY(500); emu_wr_nolock(sc, EMU_A_IOCFG, iocfg | EMU_A_IOCFG_GPOUT1 | EMU_A_IOCFG_GPOUT2, 2); DELAY(500); emu_wr_nolock(sc, EMU_A_IOCFG, iocfg | EMU_A_IOCFG_GPOUT1, 2); DELAY(100); emu_wr_nolock(sc, EMU_A_IOCFG, iocfg, 2); device_printf(sc->dev, "Audigy IR MIDI events enabled.\n"); sc->enable_ir = 1; } if (sc->is_emu10k1) { iocfg = emu_rd_nolock(sc, EMU_HCFG, 4); emu_wr_nolock(sc, EMU_HCFG, iocfg | EMU_HCFG_GPOUT2, 4); DELAY(500); emu_wr_nolock(sc, EMU_HCFG, iocfg | EMU_HCFG_GPOUT1 | EMU_HCFG_GPOUT2, 4); DELAY(100); emu_wr_nolock(sc, EMU_HCFG, iocfg, 4); device_printf(sc->dev, "SB Live! IR MIDI events enabled.\n"); sc->enable_ir = 1; } }
/* * Enabling IR MIDI messages is another kind of black magic. It just * has to be made this way. It really do it. */
Enabling IR MIDI messages is another kind of black magic. It just has to be made this way. It really do it.
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void emu_enable_ir(struct emu_sc_info *sc) { uint32_t iocfg; if (sc->is_emu10k2 || sc->is_ca0102) { iocfg = emu_rd_nolock(sc, EMU_A_IOCFG, 2); emu_wr_nolock(sc, EMU_A_IOCFG, iocfg | EMU_A_IOCFG_GPOUT2, 2); DELAY(500); emu_wr_nolock(sc, EMU_A_IOCFG, iocfg | EMU_A_IOCFG_GPOUT1 | EMU_A_IOCFG_GPOUT2, 2); DELAY(500); emu_wr_nolock(sc, EMU_A_IOCFG, iocfg | EMU_A_IOCFG_GPOUT1, 2); DELAY(100); emu_wr_nolock(sc, EMU_A_IOCFG, iocfg, 2); device_printf(sc->dev, "Audigy IR MIDI events enabled.\n"); sc->enable_ir = 1; } if (sc->is_emu10k1) { iocfg = emu_rd_nolock(sc, EMU_HCFG, 4); emu_wr_nolock(sc, EMU_HCFG, iocfg | EMU_HCFG_GPOUT2, 4); DELAY(500); emu_wr_nolock(sc, EMU_HCFG, iocfg | EMU_HCFG_GPOUT1 | EMU_HCFG_GPOUT2, 4); DELAY(100); emu_wr_nolock(sc, EMU_HCFG, iocfg, 4); device_printf(sc->dev, "SB Live! IR MIDI events enabled.\n"); sc->enable_ir = 1; } }
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Enabling IR MIDI messages is another kind of black magic.
[ "Enabling", "IR", "MIDI", "messages", "is", "another", "kind", "of", "black", "magic", "." ]
[]
[ { "param": "sc", "type": "struct emu_sc_info" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "sc", "type": "struct emu_sc_info", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
87b717d1066f2c36eaf7076a7058446d9bc34798
atrens/DragonFlyBSD-src
sys/dev/sound/pci/emu10kx.c
[ "BSD-3-Clause" ]
C
emu_gettag
bus_dma_tag_t
bus_dma_tag_t emu_gettag(struct emu_sc_info *sc) { return (sc->mem.dmat); }
/* * Get data from private emu10kx structure for PCM buffer allocation. * Used by PCM code only. */
Get data from private emu10kx structure for PCM buffer allocation. Used by PCM code only.
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bus_dma_tag_t emu_gettag(struct emu_sc_info *sc) { return (sc->mem.dmat); }
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Get data from private emu10kx structure for PCM buffer allocation.
[ "Get", "data", "from", "private", "emu10kx", "structure", "for", "PCM", "buffer", "allocation", "." ]
[]
[ { "param": "sc", "type": "struct emu_sc_info" } ]
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4b43aec6b72b8f05ff4c6d8803fc403b72df50ef
atrens/DragonFlyBSD-src
contrib/binutils-2.34/binutils/addr2line.c
[ "BSD-3-Clause" ]
C
usage
void
static void usage (FILE *stream, int status) { fprintf (stream, _("Usage: %s [option(s)] [addr(s)]\n"), program_name); fprintf (stream, _(" Convert addresses into line number/file name pairs.\n")); fprintf (stream, _(" If no addresses are specified on the command line, they will be read from stdin\n")); fprintf (stream, _(" The options are:\n\ @<file> Read options from <file>\n\ -a --addresses Show addresses\n\ -b --target=<bfdname> Set the binary file format\n\ -e --exe=<executable> Set the input file name (default is a.out)\n\ -i --inlines Unwind inlined functions\n\ -j --section=<name> Read section-relative offsets instead of addresses\n\ -p --pretty-print Make the output easier to read for humans\n\ -s --basenames Strip directory names\n\ -f --functions Show function names\n\ -C --demangle[=style] Demangle function names\n\ -R --recurse-limit Enable a limit on recursion whilst demangling. [Default]\n\ -r --no-recurse-limit Disable a limit on recursion whilst demangling\n\ -h --help Display this information\n\ -v --version Display the program's version\n\ \n")); list_supported_targets (program_name, stream); if (REPORT_BUGS_TO[0] && status == 0) fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO); exit (status); }
/* Print a usage message to STREAM and exit with STATUS. */
Print a usage message to STREAM and exit with STATUS.
[ "Print", "a", "usage", "message", "to", "STREAM", "and", "exit", "with", "STATUS", "." ]
static void usage (FILE *stream, int status) { fprintf (stream, _("Usage: %s [option(s)] [addr(s)]\n"), program_name); fprintf (stream, _(" Convert addresses into line number/file name pairs.\n")); fprintf (stream, _(" If no addresses are specified on the command line, they will be read from stdin\n")); fprintf (stream, _(" The options are:\n\ @<file> Read options from <file>\n\ -a --addresses Show addresses\n\ -b --target=<bfdname> Set the binary file format\n\ -e --exe=<executable> Set the input file name (default is a.out)\n\ -i --inlines Unwind inlined functions\n\ -j --section=<name> Read section-relative offsets instead of addresses\n\ -p --pretty-print Make the output easier to read for humans\n\ -s --basenames Strip directory names\n\ -f --functions Show function names\n\ -C --demangle[=style] Demangle function names\n\ -R --recurse-limit Enable a limit on recursion whilst demangling. [Default]\n\ -r --no-recurse-limit Disable a limit on recursion whilst demangling\n\ -h --help Display this information\n\ -v --version Display the program's version\n\ \n")); list_supported_targets (program_name, stream); if (REPORT_BUGS_TO[0] && status == 0) fprintf (stream, _("Report bugs to %s\n"), REPORT_BUGS_TO); exit (status); }
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Print a usage message to STREAM and exit with STATUS.
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[]
[ { "param": "stream", "type": "FILE" }, { "param": "status", "type": "int" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "stream", "type": "FILE", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "status", "type": "int", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
4b43aec6b72b8f05ff4c6d8803fc403b72df50ef
atrens/DragonFlyBSD-src
contrib/binutils-2.34/binutils/addr2line.c
[ "BSD-3-Clause" ]
C
slurp_symtab
void
static void slurp_symtab (bfd *abfd) { long storage; long symcount; bfd_boolean dynamic = FALSE; if ((bfd_get_file_flags (abfd) & HAS_SYMS) == 0) return; storage = bfd_get_symtab_upper_bound (abfd); if (storage == 0) { storage = bfd_get_dynamic_symtab_upper_bound (abfd); dynamic = TRUE; } if (storage < 0) bfd_fatal (bfd_get_filename (abfd)); syms = (asymbol **) xmalloc (storage); if (dynamic) symcount = bfd_canonicalize_dynamic_symtab (abfd, syms); else symcount = bfd_canonicalize_symtab (abfd, syms); if (symcount < 0) bfd_fatal (bfd_get_filename (abfd)); /* If there are no symbols left after canonicalization and we have not tried the dynamic symbols then give them a go. */ if (symcount == 0 && ! dynamic && (storage = bfd_get_dynamic_symtab_upper_bound (abfd)) > 0) { free (syms); syms = xmalloc (storage); symcount = bfd_canonicalize_dynamic_symtab (abfd, syms); } /* PR 17512: file: 2a1d3b5b. Do not pretend that we have some symbols when we don't. */ if (symcount <= 0) { free (syms); syms = NULL; } }
/* Read in the symbol table. */
Read in the symbol table.
[ "Read", "in", "the", "symbol", "table", "." ]
static void slurp_symtab (bfd *abfd) { long storage; long symcount; bfd_boolean dynamic = FALSE; if ((bfd_get_file_flags (abfd) & HAS_SYMS) == 0) return; storage = bfd_get_symtab_upper_bound (abfd); if (storage == 0) { storage = bfd_get_dynamic_symtab_upper_bound (abfd); dynamic = TRUE; } if (storage < 0) bfd_fatal (bfd_get_filename (abfd)); syms = (asymbol **) xmalloc (storage); if (dynamic) symcount = bfd_canonicalize_dynamic_symtab (abfd, syms); else symcount = bfd_canonicalize_symtab (abfd, syms); if (symcount < 0) bfd_fatal (bfd_get_filename (abfd)); if (symcount == 0 && ! dynamic && (storage = bfd_get_dynamic_symtab_upper_bound (abfd)) > 0) { free (syms); syms = xmalloc (storage); symcount = bfd_canonicalize_dynamic_symtab (abfd, syms); } if (symcount <= 0) { free (syms); syms = NULL; } }
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Read in the symbol table.
[ "Read", "in", "the", "symbol", "table", "." ]
[ "/* If there are no symbols left after canonicalization and\n we have not tried the dynamic symbols then give them a go. */", "/* PR 17512: file: 2a1d3b5b.\n Do not pretend that we have some symbols when we don't. */" ]
[ { "param": "abfd", "type": "bfd" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "abfd", "type": "bfd", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
4b43aec6b72b8f05ff4c6d8803fc403b72df50ef
atrens/DragonFlyBSD-src
contrib/binutils-2.34/binutils/addr2line.c
[ "BSD-3-Clause" ]
C
find_offset_in_section
void
static void find_offset_in_section (bfd *abfd, asection *section) { bfd_size_type size; if (found) return; if ((bfd_section_flags (section) & SEC_ALLOC) == 0) return; size = bfd_section_size (section); if (pc >= size) return; found = bfd_find_nearest_line_discriminator (abfd, section, syms, pc, &filename, &functionname, &line, &discriminator); }
/* Look for an offset in a section. This is directly called. */
Look for an offset in a section. This is directly called.
[ "Look", "for", "an", "offset", "in", "a", "section", ".", "This", "is", "directly", "called", "." ]
static void find_offset_in_section (bfd *abfd, asection *section) { bfd_size_type size; if (found) return; if ((bfd_section_flags (section) & SEC_ALLOC) == 0) return; size = bfd_section_size (section); if (pc >= size) return; found = bfd_find_nearest_line_discriminator (abfd, section, syms, pc, &filename, &functionname, &line, &discriminator); }
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Look for an offset in a section.
[ "Look", "for", "an", "offset", "in", "a", "section", "." ]
[]
[ { "param": "abfd", "type": "bfd" }, { "param": "section", "type": "asection" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "abfd", "type": "bfd", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "section", "type": "asection", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
4b43aec6b72b8f05ff4c6d8803fc403b72df50ef
atrens/DragonFlyBSD-src
contrib/binutils-2.34/binutils/addr2line.c
[ "BSD-3-Clause" ]
C
translate_addresses
void
static void translate_addresses (bfd *abfd, asection *section) { int read_stdin = (naddr == 0); for (;;) { if (read_stdin) { char addr_hex[100]; if (fgets (addr_hex, sizeof addr_hex, stdin) == NULL) break; pc = bfd_scan_vma (addr_hex, NULL, 16); } else { if (naddr <= 0) break; --naddr; pc = bfd_scan_vma (*addr++, NULL, 16); } if (bfd_get_flavour (abfd) == bfd_target_elf_flavour) { const struct elf_backend_data *bed = get_elf_backend_data (abfd); bfd_vma sign = (bfd_vma) 1 << (bed->s->arch_size - 1); pc &= (sign << 1) - 1; if (bed->sign_extend_vma) pc = (pc ^ sign) - sign; } if (with_addresses) { printf ("0x"); bfd_printf_vma (abfd, pc); if (pretty_print) printf (": "); else printf ("\n"); } found = FALSE; if (section) find_offset_in_section (abfd, section); else bfd_map_over_sections (abfd, find_address_in_section, NULL); if (! found) { if (with_functions) { if (pretty_print) printf ("?? "); else printf ("??\n"); } printf ("??:0\n"); } else { while (1) { if (with_functions) { const char *name; char *alloc = NULL; name = functionname; if (name == NULL || *name == '\0') name = "??"; else if (do_demangle) { alloc = bfd_demangle (abfd, name, demangle_flags); if (alloc != NULL) name = alloc; } printf ("%s", name); if (pretty_print) /* Note for translators: This printf is used to join the function name just printed above to the line number/ file name pair that is about to be printed below. Eg: foo at 123:bar.c */ printf (_(" at ")); else printf ("\n"); if (alloc != NULL) free (alloc); } if (base_names && filename != NULL) { char *h; h = strrchr (filename, '/'); if (h != NULL) filename = h + 1; } printf ("%s:", filename ? filename : "??"); if (line != 0) { if (discriminator != 0) printf ("%u (discriminator %u)\n", line, discriminator); else printf ("%u\n", line); } else printf ("?\n"); if (!unwind_inlines) found = FALSE; else found = bfd_find_inliner_info (abfd, &filename, &functionname, &line); if (! found) break; if (pretty_print) /* Note for translators: This printf is used to join the line number/file name pair that has just been printed with the line number/file name pair that is going to be printed by the next iteration of the while loop. Eg: 123:bar.c (inlined by) 456:main.c */ printf (_(" (inlined by) ")); } } /* fflush() is essential for using this command as a server child process that reads addresses from a pipe and responds with line number information, processing one address at a time. */ fflush (stdout); } }
/* Read hexadecimal addresses from stdin, translate into file_name:line_number and optionally function name. */
Read hexadecimal addresses from stdin, translate into file_name:line_number and optionally function name.
[ "Read", "hexadecimal", "addresses", "from", "stdin", "translate", "into", "file_name", ":", "line_number", "and", "optionally", "function", "name", "." ]
static void translate_addresses (bfd *abfd, asection *section) { int read_stdin = (naddr == 0); for (;;) { if (read_stdin) { char addr_hex[100]; if (fgets (addr_hex, sizeof addr_hex, stdin) == NULL) break; pc = bfd_scan_vma (addr_hex, NULL, 16); } else { if (naddr <= 0) break; --naddr; pc = bfd_scan_vma (*addr++, NULL, 16); } if (bfd_get_flavour (abfd) == bfd_target_elf_flavour) { const struct elf_backend_data *bed = get_elf_backend_data (abfd); bfd_vma sign = (bfd_vma) 1 << (bed->s->arch_size - 1); pc &= (sign << 1) - 1; if (bed->sign_extend_vma) pc = (pc ^ sign) - sign; } if (with_addresses) { printf ("0x"); bfd_printf_vma (abfd, pc); if (pretty_print) printf (": "); else printf ("\n"); } found = FALSE; if (section) find_offset_in_section (abfd, section); else bfd_map_over_sections (abfd, find_address_in_section, NULL); if (! found) { if (with_functions) { if (pretty_print) printf ("?? "); else printf ("??\n"); } printf ("??:0\n"); } else { while (1) { if (with_functions) { const char *name; char *alloc = NULL; name = functionname; if (name == NULL || *name == '\0') name = "??"; else if (do_demangle) { alloc = bfd_demangle (abfd, name, demangle_flags); if (alloc != NULL) name = alloc; } printf ("%s", name); if (pretty_print) printf (_(" at ")); else printf ("\n"); if (alloc != NULL) free (alloc); } if (base_names && filename != NULL) { char *h; h = strrchr (filename, '/'); if (h != NULL) filename = h + 1; } printf ("%s:", filename ? filename : "??"); if (line != 0) { if (discriminator != 0) printf ("%u (discriminator %u)\n", line, discriminator); else printf ("%u\n", line); } else printf ("?\n"); if (!unwind_inlines) found = FALSE; else found = bfd_find_inliner_info (abfd, &filename, &functionname, &line); if (! found) break; if (pretty_print) printf (_(" (inlined by) ")); } } fflush (stdout); } }
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Read hexadecimal addresses from stdin, translate into file_name:line_number and optionally function name.
[ "Read", "hexadecimal", "addresses", "from", "stdin", "translate", "into", "file_name", ":", "line_number", "and", "optionally", "function", "name", "." ]
[ "/* Note for translators: This printf is used to join the\n\t\t function name just printed above to the line number/\n\t\t file name pair that is about to be printed below. Eg:\n\n\t\t foo at 123:bar.c */", "/* Note for translators: This printf is used to join the\n\t\t line number/file name pair that has just been printed with\n\t\t the line number/file name pair that is going to be printed\n\t\t by the next iteration of the while loop. Eg:\n\n\t\t 123:bar.c (inlined by) 456:main.c */", "/* fflush() is essential for using this command as a server\n child process that reads addresses from a pipe and responds\n with line number information, processing one address at a\n time. */" ]
[ { "param": "abfd", "type": "bfd" }, { "param": "section", "type": "asection" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "abfd", "type": "bfd", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "section", "type": "asection", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
4b43aec6b72b8f05ff4c6d8803fc403b72df50ef
atrens/DragonFlyBSD-src
contrib/binutils-2.34/binutils/addr2line.c
[ "BSD-3-Clause" ]
C
process_file
int
static int process_file (const char *file_name, const char *section_name, const char *target) { bfd *abfd; asection *section; char **matching; if (get_file_size (file_name) < 1) return 1; abfd = bfd_openr (file_name, target); if (abfd == NULL) bfd_fatal (file_name); /* Decompress sections. */ abfd->flags |= BFD_DECOMPRESS; if (bfd_check_format (abfd, bfd_archive)) fatal (_("%s: cannot get addresses from archive"), file_name); if (! bfd_check_format_matches (abfd, bfd_object, &matching)) { bfd_nonfatal (bfd_get_filename (abfd)); if (bfd_get_error () == bfd_error_file_ambiguously_recognized) { list_matching_formats (matching); free (matching); } xexit (1); } if (section_name != NULL) { section = bfd_get_section_by_name (abfd, section_name); if (section == NULL) fatal (_("%s: cannot find section %s"), file_name, section_name); } else section = NULL; slurp_symtab (abfd); translate_addresses (abfd, section); if (syms != NULL) { free (syms); syms = NULL; } bfd_close (abfd); return 0; }
/* Process a file. Returns an exit value for main(). */
Process a file. Returns an exit value for main().
[ "Process", "a", "file", ".", "Returns", "an", "exit", "value", "for", "main", "()", "." ]
static int process_file (const char *file_name, const char *section_name, const char *target) { bfd *abfd; asection *section; char **matching; if (get_file_size (file_name) < 1) return 1; abfd = bfd_openr (file_name, target); if (abfd == NULL) bfd_fatal (file_name); abfd->flags |= BFD_DECOMPRESS; if (bfd_check_format (abfd, bfd_archive)) fatal (_("%s: cannot get addresses from archive"), file_name); if (! bfd_check_format_matches (abfd, bfd_object, &matching)) { bfd_nonfatal (bfd_get_filename (abfd)); if (bfd_get_error () == bfd_error_file_ambiguously_recognized) { list_matching_formats (matching); free (matching); } xexit (1); } if (section_name != NULL) { section = bfd_get_section_by_name (abfd, section_name); if (section == NULL) fatal (_("%s: cannot find section %s"), file_name, section_name); } else section = NULL; slurp_symtab (abfd); translate_addresses (abfd, section); if (syms != NULL) { free (syms); syms = NULL; } bfd_close (abfd); return 0; }
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Process a file.
[ "Process", "a", "file", "." ]
[ "/* Decompress sections. */" ]
[ { "param": "file_name", "type": "char" }, { "param": "section_name", "type": "char" }, { "param": "target", "type": "char" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "file_name", "type": "char", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "section_name", "type": "char", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "target", "type": "char", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
phi_arg_in_outermost_loop
size_t
static size_t phi_arg_in_outermost_loop (gimple phi) { loop_p loop = gimple_bb (phi)->loop_father; size_t i, res = 0; for (i = 0; i < gimple_phi_num_args (phi); i++) if (!flow_bb_inside_loop_p (loop, gimple_phi_arg_edge (phi, i)->src)) { loop = gimple_phi_arg_edge (phi, i)->src->loop_father; res = i; } return res; }
/* Returns the index of the PHI argument defined in the outermost loop. */
Returns the index of the PHI argument defined in the outermost loop.
[ "Returns", "the", "index", "of", "the", "PHI", "argument", "defined", "in", "the", "outermost", "loop", "." ]
static size_t phi_arg_in_outermost_loop (gimple phi) { loop_p loop = gimple_bb (phi)->loop_father; size_t i, res = 0; for (i = 0; i < gimple_phi_num_args (phi); i++) if (!flow_bb_inside_loop_p (loop, gimple_phi_arg_edge (phi, i)->src)) { loop = gimple_phi_arg_edge (phi, i)->src->loop_father; res = i; } return res; }
[ "static", "size_t", "phi_arg_in_outermost_loop", "(", "gimple", "phi", ")", "{", "loop_p", "loop", "=", "gimple_bb", "(", "phi", ")", "->", "loop_father", ";", "size_t", "i", ",", "res", "=", "0", ";", "for", "(", "i", "=", "0", ";", "i", "<", "gimple_phi_num_args", "(", "phi", ")", ";", "i", "++", ")", "if", "(", "!", "flow_bb_inside_loop_p", "(", "loop", ",", "gimple_phi_arg_edge", "(", "phi", ",", "i", ")", "->", "src", ")", ")", "{", "loop", "=", "gimple_phi_arg_edge", "(", "phi", ",", "i", ")", "->", "src", "->", "loop_father", ";", "res", "=", "i", ";", "}", "return", "res", ";", "}" ]
Returns the index of the PHI argument defined in the outermost loop.
[ "Returns", "the", "index", "of", "the", "PHI", "argument", "defined", "in", "the", "outermost", "loop", "." ]
[]
[ { "param": "phi", "type": "gimple" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "phi", "type": "gimple", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
remove_invariant_phi
void
static void remove_invariant_phi (sese region, gimple_stmt_iterator *psi) { gimple phi = gsi_stmt (*psi); loop_p loop = loop_containing_stmt (phi); tree res = gimple_phi_result (phi); tree scev = scalar_evolution_in_region (region, loop, res); size_t entry = phi_arg_in_outermost_loop (phi); edge e = gimple_phi_arg_edge (phi, entry); tree var; gimple stmt; gimple_seq stmts; gimple_stmt_iterator gsi; if (tree_contains_chrecs (scev, NULL)) scev = gimple_phi_arg_def (phi, entry); var = force_gimple_operand (scev, &stmts, true, NULL_TREE); stmt = gimple_build_assign (res, var); remove_phi_node (psi, false); if (!stmts) stmts = gimple_seq_alloc (); gsi = gsi_last (stmts); gsi_insert_after (&gsi, stmt, GSI_NEW_STMT); gsi_insert_seq_on_edge (e, stmts); gsi_commit_edge_inserts (); SSA_NAME_DEF_STMT (res) = stmt; }
/* Removes an invariant phi node at position PSI by inserting on the loop ENTRY edge the assignment RES = INIT. */
Removes an invariant phi node at position PSI by inserting on the loop ENTRY edge the assignment RES = INIT.
[ "Removes", "an", "invariant", "phi", "node", "at", "position", "PSI", "by", "inserting", "on", "the", "loop", "ENTRY", "edge", "the", "assignment", "RES", "=", "INIT", "." ]
static void remove_invariant_phi (sese region, gimple_stmt_iterator *psi) { gimple phi = gsi_stmt (*psi); loop_p loop = loop_containing_stmt (phi); tree res = gimple_phi_result (phi); tree scev = scalar_evolution_in_region (region, loop, res); size_t entry = phi_arg_in_outermost_loop (phi); edge e = gimple_phi_arg_edge (phi, entry); tree var; gimple stmt; gimple_seq stmts; gimple_stmt_iterator gsi; if (tree_contains_chrecs (scev, NULL)) scev = gimple_phi_arg_def (phi, entry); var = force_gimple_operand (scev, &stmts, true, NULL_TREE); stmt = gimple_build_assign (res, var); remove_phi_node (psi, false); if (!stmts) stmts = gimple_seq_alloc (); gsi = gsi_last (stmts); gsi_insert_after (&gsi, stmt, GSI_NEW_STMT); gsi_insert_seq_on_edge (e, stmts); gsi_commit_edge_inserts (); SSA_NAME_DEF_STMT (res) = stmt; }
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Removes an invariant phi node at position PSI by inserting on the loop ENTRY edge the assignment RES = INIT.
[ "Removes", "an", "invariant", "phi", "node", "at", "position", "PSI", "by", "inserting", "on", "the", "loop", "ENTRY", "edge", "the", "assignment", "RES", "=", "INIT", "." ]
[]
[ { "param": "region", "type": "sese" }, { "param": "psi", "type": "gimple_stmt_iterator" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "region", "type": "sese", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "psi", "type": "gimple_stmt_iterator", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
reduction_phi_p
bool
static bool reduction_phi_p (sese region, gimple_stmt_iterator *psi) { loop_p loop; gimple phi = gsi_stmt (*psi); tree res = gimple_phi_result (phi); loop = loop_containing_stmt (phi); if (simple_copy_phi_p (phi)) { /* PRE introduces phi nodes like these, for an example, see id-5.f in the fortran graphite testsuite: # prephitmp.85_265 = PHI <prephitmp.85_258(33), prephitmp.85_265(18)> */ remove_simple_copy_phi (psi); return false; } if (scev_analyzable_p (res, region)) { tree scev = scalar_evolution_in_region (region, loop, res); if (evolution_function_is_invariant_p (scev, loop->num)) remove_invariant_phi (region, psi); else gsi_next (psi); return false; } /* All the other cases are considered reductions. */ return true; }
/* Returns true when the phi node at position PSI is a reduction phi node in REGION. Otherwise moves the pointer PSI to the next phi to be considered. */
Returns true when the phi node at position PSI is a reduction phi node in REGION. Otherwise moves the pointer PSI to the next phi to be considered.
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static bool reduction_phi_p (sese region, gimple_stmt_iterator *psi) { loop_p loop; gimple phi = gsi_stmt (*psi); tree res = gimple_phi_result (phi); loop = loop_containing_stmt (phi); if (simple_copy_phi_p (phi)) { remove_simple_copy_phi (psi); return false; } if (scev_analyzable_p (res, region)) { tree scev = scalar_evolution_in_region (region, loop, res); if (evolution_function_is_invariant_p (scev, loop->num)) remove_invariant_phi (region, psi); else gsi_next (psi); return false; } return true; }
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Returns true when the phi node at position PSI is a reduction phi node in REGION.
[ "Returns", "true", "when", "the", "phi", "node", "at", "position", "PSI", "is", "a", "reduction", "phi", "node", "in", "REGION", "." ]
[ "/* PRE introduces phi nodes like these, for an example,\n\t see id-5.f in the fortran graphite testsuite:\n\n\t # prephitmp.85_265 = PHI <prephitmp.85_258(33), prephitmp.85_265(18)>\n */", "/* All the other cases are considered reductions. */" ]
[ { "param": "region", "type": "sese" }, { "param": "psi", "type": "gimple_stmt_iterator" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "region", "type": "sese", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "psi", "type": "gimple_stmt_iterator", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
remove_gbbs_in_scop
void
static void remove_gbbs_in_scop (scop_p scop) { int i; poly_bb_p pbb; FOR_EACH_VEC_ELT (poly_bb_p, SCOP_BBS (scop), i, pbb) free_gimple_bb (PBB_BLACK_BOX (pbb)); }
/* Deletes all gimple bbs in SCOP. */
Deletes all gimple bbs in SCOP.
[ "Deletes", "all", "gimple", "bbs", "in", "SCOP", "." ]
static void remove_gbbs_in_scop (scop_p scop) { int i; poly_bb_p pbb; FOR_EACH_VEC_ELT (poly_bb_p, SCOP_BBS (scop), i, pbb) free_gimple_bb (PBB_BLACK_BOX (pbb)); }
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Deletes all gimple bbs in SCOP.
[ "Deletes", "all", "gimple", "bbs", "in", "SCOP", "." ]
[]
[ { "param": "scop", "type": "scop_p" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "scop", "type": "scop_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
outermost_loop_in_sese_1
loop_p
static loop_p outermost_loop_in_sese_1 (sese region, basic_block bb) { loop_p nest = outermost_loop_in_sese (region, bb); if (loop_in_sese_p (nest, region)) return nest; /* When the basic block BB does not belong to a loop in the region, return the first loop in the region. */ nest = nest->inner; while (nest) if (loop_in_sese_p (nest, region)) break; else nest = nest->next; gcc_assert (nest); return nest; }
/* Same as outermost_loop_in_sese, returns the outermost loop containing BB in REGION, but makes sure that the returned loop belongs to the REGION, and so this returns the first loop in the REGION when the loop containing BB does not belong to REGION. */
Same as outermost_loop_in_sese, returns the outermost loop containing BB in REGION, but makes sure that the returned loop belongs to the REGION, and so this returns the first loop in the REGION when the loop containing BB does not belong to REGION.
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static loop_p outermost_loop_in_sese_1 (sese region, basic_block bb) { loop_p nest = outermost_loop_in_sese (region, bb); if (loop_in_sese_p (nest, region)) return nest; nest = nest->inner; while (nest) if (loop_in_sese_p (nest, region)) break; else nest = nest->next; gcc_assert (nest); return nest; }
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Same as outermost_loop_in_sese, returns the outermost loop containing BB in REGION, but makes sure that the returned loop belongs to the REGION, and so this returns the first loop in the REGION when the loop containing BB does not belong to REGION.
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[ "/* When the basic block BB does not belong to a loop in the region,\n return the first loop in the region. */" ]
[ { "param": "region", "type": "sese" }, { "param": "bb", "type": "basic_block" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "region", "type": "sese", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "bb", "type": "basic_block", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
try_generate_gimple_bb
gimple_bb_p
static gimple_bb_p try_generate_gimple_bb (scop_p scop, basic_block bb) { VEC (data_reference_p, heap) *drs = VEC_alloc (data_reference_p, heap, 5); sese region = SCOP_REGION (scop); loop_p nest = outermost_loop_in_sese_1 (region, bb); gimple_stmt_iterator gsi; for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi)) { gimple stmt = gsi_stmt (gsi); loop_p loop; if (is_gimple_debug (stmt)) continue; loop = loop_containing_stmt (stmt); if (!loop_in_sese_p (loop, region)) loop = nest; graphite_find_data_references_in_stmt (nest, loop, stmt, &drs); } return new_gimple_bb (bb, drs); }
/* Generates a polyhedral black box only if the bb contains interesting information. */
Generates a polyhedral black box only if the bb contains interesting information.
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static gimple_bb_p try_generate_gimple_bb (scop_p scop, basic_block bb) { VEC (data_reference_p, heap) *drs = VEC_alloc (data_reference_p, heap, 5); sese region = SCOP_REGION (scop); loop_p nest = outermost_loop_in_sese_1 (region, bb); gimple_stmt_iterator gsi; for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi)) { gimple stmt = gsi_stmt (gsi); loop_p loop; if (is_gimple_debug (stmt)) continue; loop = loop_containing_stmt (stmt); if (!loop_in_sese_p (loop, region)) loop = nest; graphite_find_data_references_in_stmt (nest, loop, stmt, &drs); } return new_gimple_bb (bb, drs); }
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Generates a polyhedral black box only if the bb contains interesting information.
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[]
[ { "param": "scop", "type": "scop_p" }, { "param": "bb", "type": "basic_block" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "scop", "type": "scop_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "bb", "type": "basic_block", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
all_non_dominated_preds_marked_p
bool
static bool all_non_dominated_preds_marked_p (basic_block bb, sbitmap map) { edge e; edge_iterator ei; FOR_EACH_EDGE (e, ei, bb->preds) if (!TEST_BIT (map, e->src->index) && !dominated_by_p (CDI_DOMINATORS, e->src, bb)) return false; return true; }
/* Returns true if all predecessors of BB, that are not dominated by BB, are marked in MAP. The predecessors dominated by BB are loop latches and will be handled after BB. */
Returns true if all predecessors of BB, that are not dominated by BB, are marked in MAP. The predecessors dominated by BB are loop latches and will be handled after BB.
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static bool all_non_dominated_preds_marked_p (basic_block bb, sbitmap map) { edge e; edge_iterator ei; FOR_EACH_EDGE (e, ei, bb->preds) if (!TEST_BIT (map, e->src->index) && !dominated_by_p (CDI_DOMINATORS, e->src, bb)) return false; return true; }
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Returns true if all predecessors of BB, that are not dominated by BB, are marked in MAP.
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[]
[ { "param": "bb", "type": "basic_block" }, { "param": "map", "type": "sbitmap" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "bb", "type": "basic_block", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "map", "type": "sbitmap", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
compare_bb_depths
int
static int compare_bb_depths (const void *p1, const void *p2) { const_basic_block const bb1 = *(const_basic_block const*)p1; const_basic_block const bb2 = *(const_basic_block const*)p2; int d1 = loop_depth (bb1->loop_father); int d2 = loop_depth (bb2->loop_father); if (d1 < d2) return 1; if (d1 > d2) return -1; return 0; }
/* Compare the depth of two basic_block's P1 and P2. */
Compare the depth of two basic_block's P1 and P2.
[ "Compare", "the", "depth", "of", "two", "basic_block", "'", "s", "P1", "and", "P2", "." ]
static int compare_bb_depths (const void *p1, const void *p2) { const_basic_block const bb1 = *(const_basic_block const*)p1; const_basic_block const bb2 = *(const_basic_block const*)p2; int d1 = loop_depth (bb1->loop_father); int d2 = loop_depth (bb2->loop_father); if (d1 < d2) return 1; if (d1 > d2) return -1; return 0; }
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Compare the depth of two basic_block's P1 and P2.
[ "Compare", "the", "depth", "of", "two", "basic_block", "'", "s", "P1", "and", "P2", "." ]
[]
[ { "param": "p1", "type": "void" }, { "param": "p2", "type": "void" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "p1", "type": "void", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "p2", "type": "void", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
build_scop_bbs_1
void
static void build_scop_bbs_1 (scop_p scop, sbitmap visited, basic_block bb) { sese region = SCOP_REGION (scop); VEC (basic_block, heap) *dom; poly_bb_p pbb; if (TEST_BIT (visited, bb->index) || !bb_in_sese_p (bb, region)) return; pbb = new_poly_bb (scop, try_generate_gimple_bb (scop, bb)); VEC_safe_push (poly_bb_p, heap, SCOP_BBS (scop), pbb); SET_BIT (visited, bb->index); dom = get_dominated_by (CDI_DOMINATORS, bb); if (dom == NULL) return; graphite_sort_dominated_info (dom); while (!VEC_empty (basic_block, dom)) { int i; basic_block dom_bb; FOR_EACH_VEC_ELT (basic_block, dom, i, dom_bb) if (all_non_dominated_preds_marked_p (dom_bb, visited)) { build_scop_bbs_1 (scop, visited, dom_bb); VEC_unordered_remove (basic_block, dom, i); break; } } VEC_free (basic_block, heap, dom); }
/* Recursive helper function for build_scops_bbs. */
Recursive helper function for build_scops_bbs.
[ "Recursive", "helper", "function", "for", "build_scops_bbs", "." ]
static void build_scop_bbs_1 (scop_p scop, sbitmap visited, basic_block bb) { sese region = SCOP_REGION (scop); VEC (basic_block, heap) *dom; poly_bb_p pbb; if (TEST_BIT (visited, bb->index) || !bb_in_sese_p (bb, region)) return; pbb = new_poly_bb (scop, try_generate_gimple_bb (scop, bb)); VEC_safe_push (poly_bb_p, heap, SCOP_BBS (scop), pbb); SET_BIT (visited, bb->index); dom = get_dominated_by (CDI_DOMINATORS, bb); if (dom == NULL) return; graphite_sort_dominated_info (dom); while (!VEC_empty (basic_block, dom)) { int i; basic_block dom_bb; FOR_EACH_VEC_ELT (basic_block, dom, i, dom_bb) if (all_non_dominated_preds_marked_p (dom_bb, visited)) { build_scop_bbs_1 (scop, visited, dom_bb); VEC_unordered_remove (basic_block, dom, i); break; } } VEC_free (basic_block, heap, dom); }
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Recursive helper function for build_scops_bbs.
[ "Recursive", "helper", "function", "for", "build_scops_bbs", "." ]
[]
[ { "param": "scop", "type": "scop_p" }, { "param": "visited", "type": "sbitmap" }, { "param": "bb", "type": "basic_block" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "scop", "type": "scop_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "visited", "type": "sbitmap", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "bb", "type": "basic_block", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
build_scop_bbs
void
static void build_scop_bbs (scop_p scop) { sbitmap visited = sbitmap_alloc (last_basic_block); sese region = SCOP_REGION (scop); sbitmap_zero (visited); build_scop_bbs_1 (scop, visited, SESE_ENTRY_BB (region)); sbitmap_free (visited); }
/* Gather the basic blocks belonging to the SCOP. */
Gather the basic blocks belonging to the SCOP.
[ "Gather", "the", "basic", "blocks", "belonging", "to", "the", "SCOP", "." ]
static void build_scop_bbs (scop_p scop) { sbitmap visited = sbitmap_alloc (last_basic_block); sese region = SCOP_REGION (scop); sbitmap_zero (visited); build_scop_bbs_1 (scop, visited, SESE_ENTRY_BB (region)); sbitmap_free (visited); }
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Gather the basic blocks belonging to the SCOP.
[ "Gather", "the", "basic", "blocks", "belonging", "to", "the", "SCOP", "." ]
[]
[ { "param": "scop", "type": "scop_p" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "scop", "type": "scop_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
build_pbb_scattering_polyhedrons
void
static void build_pbb_scattering_polyhedrons (ppl_Linear_Expression_t static_schedule, poly_bb_p pbb, int scattering_dimensions) { int i; scop_p scop = PBB_SCOP (pbb); int nb_iterators = pbb_dim_iter_domain (pbb); int used_scattering_dimensions = nb_iterators * 2 + 1; int nb_params = scop_nb_params (scop); ppl_Coefficient_t c; ppl_dimension_type dim = scattering_dimensions + nb_iterators + nb_params; mpz_t v; gcc_assert (scattering_dimensions >= used_scattering_dimensions); mpz_init (v); ppl_new_Coefficient (&c); PBB_TRANSFORMED (pbb) = poly_scattering_new (); ppl_new_C_Polyhedron_from_space_dimension (&PBB_TRANSFORMED_SCATTERING (pbb), dim, 0); PBB_NB_SCATTERING_TRANSFORM (pbb) = scattering_dimensions; for (i = 0; i < scattering_dimensions; i++) { ppl_Constraint_t cstr; ppl_Linear_Expression_t expr; ppl_new_Linear_Expression_with_dimension (&expr, dim); mpz_set_si (v, 1); ppl_assign_Coefficient_from_mpz_t (c, v); ppl_Linear_Expression_add_to_coefficient (expr, i, c); /* Textual order inside this loop. */ if ((i % 2) == 0) { ppl_Linear_Expression_coefficient (static_schedule, i / 2, c); ppl_Coefficient_to_mpz_t (c, v); mpz_neg (v, v); ppl_assign_Coefficient_from_mpz_t (c, v); ppl_Linear_Expression_add_to_inhomogeneous (expr, c); } /* Iterations of this loop. */ else /* if ((i % 2) == 1) */ { int loop = (i - 1) / 2; mpz_set_si (v, -1); ppl_assign_Coefficient_from_mpz_t (c, v); ppl_Linear_Expression_add_to_coefficient (expr, scattering_dimensions + loop, c); } ppl_new_Constraint (&cstr, expr, PPL_CONSTRAINT_TYPE_EQUAL); ppl_Polyhedron_add_constraint (PBB_TRANSFORMED_SCATTERING (pbb), cstr); ppl_delete_Linear_Expression (expr); ppl_delete_Constraint (cstr); } mpz_clear (v); ppl_delete_Coefficient (c); PBB_ORIGINAL (pbb) = poly_scattering_copy (PBB_TRANSFORMED (pbb)); }
/* Converts the STATIC_SCHEDULE of PBB into a scattering polyhedron. We generate SCATTERING_DIMENSIONS scattering dimensions. CLooG 0.15.0 and previous versions require, that all scattering functions of one CloogProgram have the same number of scattering dimensions, therefore we allow to specify it. This should be removed in future versions of CLooG. The scattering polyhedron consists of these dimensions: scattering, loop_iterators, parameters. Example: | scattering_dimensions = 5 | used_scattering_dimensions = 3 | nb_iterators = 1 | scop_nb_params = 2 | | Schedule: | i | 4 5 | | Scattering polyhedron: | | scattering: {s1, s2, s3, s4, s5} | loop_iterators: {i} | parameters: {p1, p2} | | s1 s2 s3 s4 s5 i p1 p2 1 | 1 0 0 0 0 0 0 0 -4 = 0 | 0 1 0 0 0 -1 0 0 0 = 0 | 0 0 1 0 0 0 0 0 -5 = 0 */
Converts the STATIC_SCHEDULE of PBB into a scattering polyhedron. We generate SCATTERING_DIMENSIONS scattering dimensions. CLooG 0.15.0 and previous versions require, that all scattering functions of one CloogProgram have the same number of scattering dimensions, therefore we allow to specify it. This should be removed in future versions of CLooG. The scattering polyhedron consists of these dimensions: scattering, loop_iterators, parameters.
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static void build_pbb_scattering_polyhedrons (ppl_Linear_Expression_t static_schedule, poly_bb_p pbb, int scattering_dimensions) { int i; scop_p scop = PBB_SCOP (pbb); int nb_iterators = pbb_dim_iter_domain (pbb); int used_scattering_dimensions = nb_iterators * 2 + 1; int nb_params = scop_nb_params (scop); ppl_Coefficient_t c; ppl_dimension_type dim = scattering_dimensions + nb_iterators + nb_params; mpz_t v; gcc_assert (scattering_dimensions >= used_scattering_dimensions); mpz_init (v); ppl_new_Coefficient (&c); PBB_TRANSFORMED (pbb) = poly_scattering_new (); ppl_new_C_Polyhedron_from_space_dimension (&PBB_TRANSFORMED_SCATTERING (pbb), dim, 0); PBB_NB_SCATTERING_TRANSFORM (pbb) = scattering_dimensions; for (i = 0; i < scattering_dimensions; i++) { ppl_Constraint_t cstr; ppl_Linear_Expression_t expr; ppl_new_Linear_Expression_with_dimension (&expr, dim); mpz_set_si (v, 1); ppl_assign_Coefficient_from_mpz_t (c, v); ppl_Linear_Expression_add_to_coefficient (expr, i, c); if ((i % 2) == 0) { ppl_Linear_Expression_coefficient (static_schedule, i / 2, c); ppl_Coefficient_to_mpz_t (c, v); mpz_neg (v, v); ppl_assign_Coefficient_from_mpz_t (c, v); ppl_Linear_Expression_add_to_inhomogeneous (expr, c); } else { int loop = (i - 1) / 2; mpz_set_si (v, -1); ppl_assign_Coefficient_from_mpz_t (c, v); ppl_Linear_Expression_add_to_coefficient (expr, scattering_dimensions + loop, c); } ppl_new_Constraint (&cstr, expr, PPL_CONSTRAINT_TYPE_EQUAL); ppl_Polyhedron_add_constraint (PBB_TRANSFORMED_SCATTERING (pbb), cstr); ppl_delete_Linear_Expression (expr); ppl_delete_Constraint (cstr); } mpz_clear (v); ppl_delete_Coefficient (c); PBB_ORIGINAL (pbb) = poly_scattering_copy (PBB_TRANSFORMED (pbb)); }
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Converts the STATIC_SCHEDULE of PBB into a scattering polyhedron.
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[ "/* Textual order inside this loop. */", "/* Iterations of this loop. */", "/* if ((i % 2) == 1) */" ]
[ { "param": "static_schedule", "type": "ppl_Linear_Expression_t" }, { "param": "pbb", "type": "poly_bb_p" }, { "param": "scattering_dimensions", "type": "int" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "static_schedule", "type": "ppl_Linear_Expression_t", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "pbb", "type": "poly_bb_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "scattering_dimensions", "type": "int", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
add_value_to_dim
void
static void add_value_to_dim (ppl_dimension_type d, ppl_Linear_Expression_t expr, mpz_t k) { mpz_t val; ppl_Coefficient_t coef; ppl_new_Coefficient (&coef); ppl_Linear_Expression_coefficient (expr, d, coef); mpz_init (val); ppl_Coefficient_to_mpz_t (coef, val); mpz_add (val, val, k); ppl_assign_Coefficient_from_mpz_t (coef, val); ppl_Linear_Expression_add_to_coefficient (expr, d, coef); mpz_clear (val); ppl_delete_Coefficient (coef); }
/* Add the value K to the dimension D of the linear expression EXPR. */
Add the value K to the dimension D of the linear expression EXPR.
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static void add_value_to_dim (ppl_dimension_type d, ppl_Linear_Expression_t expr, mpz_t k) { mpz_t val; ppl_Coefficient_t coef; ppl_new_Coefficient (&coef); ppl_Linear_Expression_coefficient (expr, d, coef); mpz_init (val); ppl_Coefficient_to_mpz_t (coef, val); mpz_add (val, val, k); ppl_assign_Coefficient_from_mpz_t (coef, val); ppl_Linear_Expression_add_to_coefficient (expr, d, coef); mpz_clear (val); ppl_delete_Coefficient (coef); }
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Add the value K to the dimension D of the linear expression EXPR.
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[]
[ { "param": "d", "type": "ppl_dimension_type" }, { "param": "expr", "type": "ppl_Linear_Expression_t" }, { "param": "k", "type": "mpz_t" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "d", "type": "ppl_dimension_type", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "expr", "type": "ppl_Linear_Expression_t", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "k", "type": "mpz_t", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
scan_tree_for_params_right_scev
void
static void scan_tree_for_params_right_scev (sese s, tree e, int var, ppl_Linear_Expression_t expr) { if (expr) { loop_p loop = get_loop (var); ppl_dimension_type l = sese_loop_depth (s, loop) - 1; mpz_t val; /* Scalar evolutions should happen in the sese region. */ gcc_assert (sese_loop_depth (s, loop) > 0); /* We can not deal with parametric strides like: | p = parameter; | | for i: | a [i * p] = ... */ gcc_assert (TREE_CODE (e) == INTEGER_CST); mpz_init (val); tree_int_to_gmp (e, val); add_value_to_dim (l, expr, val); mpz_clear (val); } }
/* In the context of scop S, scan E, the right hand side of a scalar evolution function in loop VAR, and translate it to a linear expression EXPR. */
In the context of scop S, scan E, the right hand side of a scalar evolution function in loop VAR, and translate it to a linear expression EXPR.
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static void scan_tree_for_params_right_scev (sese s, tree e, int var, ppl_Linear_Expression_t expr) { if (expr) { loop_p loop = get_loop (var); ppl_dimension_type l = sese_loop_depth (s, loop) - 1; mpz_t val; gcc_assert (sese_loop_depth (s, loop) > 0); gcc_assert (TREE_CODE (e) == INTEGER_CST); mpz_init (val); tree_int_to_gmp (e, val); add_value_to_dim (l, expr, val); mpz_clear (val); } }
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In the context of scop S, scan E, the right hand side of a scalar evolution function in loop VAR, and translate it to a linear expression EXPR.
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{ "returns": [], "raises": [], "params": [ { "identifier": "s", "type": "sese", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "e", "type": "tree", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "var", "type": "int", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "expr", "type": "ppl_Linear_Expression_t", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
scan_tree_for_params_int
void
static void scan_tree_for_params_int (tree cst, ppl_Linear_Expression_t expr, mpz_t k) { mpz_t val; ppl_Coefficient_t coef; tree type = TREE_TYPE (cst); mpz_init (val); /* Necessary to not get "-1 = 2^n - 1". */ mpz_set_double_int (val, double_int_sext (tree_to_double_int (cst), TYPE_PRECISION (type)), false); mpz_mul (val, val, k); ppl_new_Coefficient (&coef); ppl_assign_Coefficient_from_mpz_t (coef, val); ppl_Linear_Expression_add_to_inhomogeneous (expr, coef); mpz_clear (val); ppl_delete_Coefficient (coef); }
/* Scan the integer constant CST, and add it to the inhomogeneous part of the linear expression EXPR. K is the multiplier of the constant. */
Scan the integer constant CST, and add it to the inhomogeneous part of the linear expression EXPR. K is the multiplier of the constant.
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static void scan_tree_for_params_int (tree cst, ppl_Linear_Expression_t expr, mpz_t k) { mpz_t val; ppl_Coefficient_t coef; tree type = TREE_TYPE (cst); mpz_init (val); mpz_set_double_int (val, double_int_sext (tree_to_double_int (cst), TYPE_PRECISION (type)), false); mpz_mul (val, val, k); ppl_new_Coefficient (&coef); ppl_assign_Coefficient_from_mpz_t (coef, val); ppl_Linear_Expression_add_to_inhomogeneous (expr, coef); mpz_clear (val); ppl_delete_Coefficient (coef); }
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Scan the integer constant CST, and add it to the inhomogeneous part of the linear expression EXPR.
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[ "/* Necessary to not get \"-1 = 2^n - 1\". */" ]
[ { "param": "cst", "type": "tree" }, { "param": "expr", "type": "ppl_Linear_Expression_t" }, { "param": "k", "type": "mpz_t" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "cst", "type": "tree", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "expr", "type": "ppl_Linear_Expression_t", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "k", "type": "mpz_t", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
parameter_index_in_region_1
int
static inline int parameter_index_in_region_1 (tree name, sese region) { int i; tree p; gcc_assert (TREE_CODE (name) == SSA_NAME); FOR_EACH_VEC_ELT (tree, SESE_PARAMS (region), i, p) if (p == name) return i; return -1; }
/* When parameter NAME is in REGION, returns its index in SESE_PARAMS. Otherwise returns -1. */
When parameter NAME is in REGION, returns its index in SESE_PARAMS. Otherwise returns -1.
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static inline int parameter_index_in_region_1 (tree name, sese region) { int i; tree p; gcc_assert (TREE_CODE (name) == SSA_NAME); FOR_EACH_VEC_ELT (tree, SESE_PARAMS (region), i, p) if (p == name) return i; return -1; }
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When parameter NAME is in REGION, returns its index in SESE_PARAMS.
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[]
[ { "param": "name", "type": "tree" }, { "param": "region", "type": "sese" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "name", "type": "tree", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "region", "type": "sese", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
parameter_index_in_region
int
static int parameter_index_in_region (tree name, sese region) { int i; gcc_assert (TREE_CODE (name) == SSA_NAME); i = parameter_index_in_region_1 (name, region); if (i != -1) return i; gcc_assert (SESE_ADD_PARAMS (region)); i = VEC_length (tree, SESE_PARAMS (region)); VEC_safe_push (tree, heap, SESE_PARAMS (region), name); return i; }
/* When the parameter NAME is in REGION, returns its index in SESE_PARAMS. Otherwise this function inserts NAME in SESE_PARAMS and returns the index of NAME. */
When the parameter NAME is in REGION, returns its index in SESE_PARAMS. Otherwise this function inserts NAME in SESE_PARAMS and returns the index of NAME.
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static int parameter_index_in_region (tree name, sese region) { int i; gcc_assert (TREE_CODE (name) == SSA_NAME); i = parameter_index_in_region_1 (name, region); if (i != -1) return i; gcc_assert (SESE_ADD_PARAMS (region)); i = VEC_length (tree, SESE_PARAMS (region)); VEC_safe_push (tree, heap, SESE_PARAMS (region), name); return i; }
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When the parameter NAME is in REGION, returns its index in SESE_PARAMS.
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[]
[ { "param": "name", "type": "tree" }, { "param": "region", "type": "sese" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "name", "type": "tree", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "region", "type": "sese", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
scan_tree_for_params
void
static void scan_tree_for_params (sese s, tree e, ppl_Linear_Expression_t c, mpz_t k) { if (e == chrec_dont_know) return; switch (TREE_CODE (e)) { case POLYNOMIAL_CHREC: scan_tree_for_params_right_scev (s, CHREC_RIGHT (e), CHREC_VARIABLE (e), c); scan_tree_for_params (s, CHREC_LEFT (e), c, k); break; case MULT_EXPR: if (chrec_contains_symbols (TREE_OPERAND (e, 0))) { if (c) { mpz_t val; gcc_assert (host_integerp (TREE_OPERAND (e, 1), 0)); mpz_init (val); tree_int_to_gmp (TREE_OPERAND (e, 1), val); mpz_mul (val, val, k); scan_tree_for_params (s, TREE_OPERAND (e, 0), c, val); mpz_clear (val); } else scan_tree_for_params (s, TREE_OPERAND (e, 0), c, k); } else { if (c) { mpz_t val; gcc_assert (host_integerp (TREE_OPERAND (e, 0), 0)); mpz_init (val); tree_int_to_gmp (TREE_OPERAND (e, 0), val); mpz_mul (val, val, k); scan_tree_for_params (s, TREE_OPERAND (e, 1), c, val); mpz_clear (val); } else scan_tree_for_params (s, TREE_OPERAND (e, 1), c, k); } break; case PLUS_EXPR: case POINTER_PLUS_EXPR: scan_tree_for_params (s, TREE_OPERAND (e, 0), c, k); scan_tree_for_params (s, TREE_OPERAND (e, 1), c, k); break; case MINUS_EXPR: { ppl_Linear_Expression_t tmp_expr = NULL; if (c) { ppl_dimension_type dim; ppl_Linear_Expression_space_dimension (c, &dim); ppl_new_Linear_Expression_with_dimension (&tmp_expr, dim); } scan_tree_for_params (s, TREE_OPERAND (e, 0), c, k); scan_tree_for_params (s, TREE_OPERAND (e, 1), tmp_expr, k); if (c) { ppl_subtract_Linear_Expression_from_Linear_Expression (c, tmp_expr); ppl_delete_Linear_Expression (tmp_expr); } break; } case NEGATE_EXPR: { ppl_Linear_Expression_t tmp_expr = NULL; if (c) { ppl_dimension_type dim; ppl_Linear_Expression_space_dimension (c, &dim); ppl_new_Linear_Expression_with_dimension (&tmp_expr, dim); } scan_tree_for_params (s, TREE_OPERAND (e, 0), tmp_expr, k); if (c) { ppl_subtract_Linear_Expression_from_Linear_Expression (c, tmp_expr); ppl_delete_Linear_Expression (tmp_expr); } break; } case BIT_NOT_EXPR: { ppl_Linear_Expression_t tmp_expr = NULL; if (c) { ppl_dimension_type dim; ppl_Linear_Expression_space_dimension (c, &dim); ppl_new_Linear_Expression_with_dimension (&tmp_expr, dim); } scan_tree_for_params (s, TREE_OPERAND (e, 0), tmp_expr, k); if (c) { ppl_Coefficient_t coef; mpz_t minus_one; ppl_subtract_Linear_Expression_from_Linear_Expression (c, tmp_expr); ppl_delete_Linear_Expression (tmp_expr); mpz_init (minus_one); mpz_set_si (minus_one, -1); ppl_new_Coefficient_from_mpz_t (&coef, minus_one); ppl_Linear_Expression_add_to_inhomogeneous (c, coef); mpz_clear (minus_one); ppl_delete_Coefficient (coef); } break; } case SSA_NAME: { ppl_dimension_type p = parameter_index_in_region (e, s); if (c) { ppl_dimension_type dim; ppl_Linear_Expression_space_dimension (c, &dim); p += dim - sese_nb_params (s); add_value_to_dim (p, c, k); } break; } case INTEGER_CST: if (c) scan_tree_for_params_int (e, c, k); break; CASE_CONVERT: case NON_LVALUE_EXPR: scan_tree_for_params (s, TREE_OPERAND (e, 0), c, k); break; case ADDR_EXPR: break; default: gcc_unreachable (); break; } }
/* In the context of sese S, scan the expression E and translate it to a linear expression C. When parsing a symbolic multiplication, K represents the constant multiplier of an expression containing parameters. */
In the context of sese S, scan the expression E and translate it to a linear expression C. When parsing a symbolic multiplication, K represents the constant multiplier of an expression containing parameters.
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static void scan_tree_for_params (sese s, tree e, ppl_Linear_Expression_t c, mpz_t k) { if (e == chrec_dont_know) return; switch (TREE_CODE (e)) { case POLYNOMIAL_CHREC: scan_tree_for_params_right_scev (s, CHREC_RIGHT (e), CHREC_VARIABLE (e), c); scan_tree_for_params (s, CHREC_LEFT (e), c, k); break; case MULT_EXPR: if (chrec_contains_symbols (TREE_OPERAND (e, 0))) { if (c) { mpz_t val; gcc_assert (host_integerp (TREE_OPERAND (e, 1), 0)); mpz_init (val); tree_int_to_gmp (TREE_OPERAND (e, 1), val); mpz_mul (val, val, k); scan_tree_for_params (s, TREE_OPERAND (e, 0), c, val); mpz_clear (val); } else scan_tree_for_params (s, TREE_OPERAND (e, 0), c, k); } else { if (c) { mpz_t val; gcc_assert (host_integerp (TREE_OPERAND (e, 0), 0)); mpz_init (val); tree_int_to_gmp (TREE_OPERAND (e, 0), val); mpz_mul (val, val, k); scan_tree_for_params (s, TREE_OPERAND (e, 1), c, val); mpz_clear (val); } else scan_tree_for_params (s, TREE_OPERAND (e, 1), c, k); } break; case PLUS_EXPR: case POINTER_PLUS_EXPR: scan_tree_for_params (s, TREE_OPERAND (e, 0), c, k); scan_tree_for_params (s, TREE_OPERAND (e, 1), c, k); break; case MINUS_EXPR: { ppl_Linear_Expression_t tmp_expr = NULL; if (c) { ppl_dimension_type dim; ppl_Linear_Expression_space_dimension (c, &dim); ppl_new_Linear_Expression_with_dimension (&tmp_expr, dim); } scan_tree_for_params (s, TREE_OPERAND (e, 0), c, k); scan_tree_for_params (s, TREE_OPERAND (e, 1), tmp_expr, k); if (c) { ppl_subtract_Linear_Expression_from_Linear_Expression (c, tmp_expr); ppl_delete_Linear_Expression (tmp_expr); } break; } case NEGATE_EXPR: { ppl_Linear_Expression_t tmp_expr = NULL; if (c) { ppl_dimension_type dim; ppl_Linear_Expression_space_dimension (c, &dim); ppl_new_Linear_Expression_with_dimension (&tmp_expr, dim); } scan_tree_for_params (s, TREE_OPERAND (e, 0), tmp_expr, k); if (c) { ppl_subtract_Linear_Expression_from_Linear_Expression (c, tmp_expr); ppl_delete_Linear_Expression (tmp_expr); } break; } case BIT_NOT_EXPR: { ppl_Linear_Expression_t tmp_expr = NULL; if (c) { ppl_dimension_type dim; ppl_Linear_Expression_space_dimension (c, &dim); ppl_new_Linear_Expression_with_dimension (&tmp_expr, dim); } scan_tree_for_params (s, TREE_OPERAND (e, 0), tmp_expr, k); if (c) { ppl_Coefficient_t coef; mpz_t minus_one; ppl_subtract_Linear_Expression_from_Linear_Expression (c, tmp_expr); ppl_delete_Linear_Expression (tmp_expr); mpz_init (minus_one); mpz_set_si (minus_one, -1); ppl_new_Coefficient_from_mpz_t (&coef, minus_one); ppl_Linear_Expression_add_to_inhomogeneous (c, coef); mpz_clear (minus_one); ppl_delete_Coefficient (coef); } break; } case SSA_NAME: { ppl_dimension_type p = parameter_index_in_region (e, s); if (c) { ppl_dimension_type dim; ppl_Linear_Expression_space_dimension (c, &dim); p += dim - sese_nb_params (s); add_value_to_dim (p, c, k); } break; } case INTEGER_CST: if (c) scan_tree_for_params_int (e, c, k); break; CASE_CONVERT: case NON_LVALUE_EXPR: scan_tree_for_params (s, TREE_OPERAND (e, 0), c, k); break; case ADDR_EXPR: break; default: gcc_unreachable (); break; } }
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In the context of sese S, scan the expression E and translate it to a linear expression C. When parsing a symbolic multiplication, K represents the constant multiplier of an expression containing parameters.
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[]
[ { "param": "s", "type": "sese" }, { "param": "e", "type": "tree" }, { "param": "c", "type": "ppl_Linear_Expression_t" }, { "param": "k", "type": "mpz_t" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "s", "type": "sese", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "e", "type": "tree", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "c", "type": "ppl_Linear_Expression_t", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "k", "type": "mpz_t", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
find_params_in_bb
void
static void find_params_in_bb (sese region, gimple_bb_p gbb) { int i; unsigned j; data_reference_p dr; gimple stmt; loop_p loop = GBB_BB (gbb)->loop_father; mpz_t one; mpz_init (one); mpz_set_si (one, 1); /* Find parameters in the access functions of data references. */ FOR_EACH_VEC_ELT (data_reference_p, GBB_DATA_REFS (gbb), i, dr) for (j = 0; j < DR_NUM_DIMENSIONS (dr); j++) scan_tree_for_params (region, DR_ACCESS_FN (dr, j), NULL, one); /* Find parameters in conditional statements. */ FOR_EACH_VEC_ELT (gimple, GBB_CONDITIONS (gbb), i, stmt) { tree lhs = scalar_evolution_in_region (region, loop, gimple_cond_lhs (stmt)); tree rhs = scalar_evolution_in_region (region, loop, gimple_cond_rhs (stmt)); scan_tree_for_params (region, lhs, NULL, one); scan_tree_for_params (region, rhs, NULL, one); } mpz_clear (one); }
/* Find parameters with respect to REGION in BB. We are looking in memory access functions, conditions and loop bounds. */
Find parameters with respect to REGION in BB. We are looking in memory access functions, conditions and loop bounds.
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static void find_params_in_bb (sese region, gimple_bb_p gbb) { int i; unsigned j; data_reference_p dr; gimple stmt; loop_p loop = GBB_BB (gbb)->loop_father; mpz_t one; mpz_init (one); mpz_set_si (one, 1); FOR_EACH_VEC_ELT (data_reference_p, GBB_DATA_REFS (gbb), i, dr) for (j = 0; j < DR_NUM_DIMENSIONS (dr); j++) scan_tree_for_params (region, DR_ACCESS_FN (dr, j), NULL, one); FOR_EACH_VEC_ELT (gimple, GBB_CONDITIONS (gbb), i, stmt) { tree lhs = scalar_evolution_in_region (region, loop, gimple_cond_lhs (stmt)); tree rhs = scalar_evolution_in_region (region, loop, gimple_cond_rhs (stmt)); scan_tree_for_params (region, lhs, NULL, one); scan_tree_for_params (region, rhs, NULL, one); } mpz_clear (one); }
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Find parameters with respect to REGION in BB.
[ "Find", "parameters", "with", "respect", "to", "REGION", "in", "BB", "." ]
[ "/* Find parameters in the access functions of data references. */", "/* Find parameters in conditional statements. */" ]
[ { "param": "region", "type": "sese" }, { "param": "gbb", "type": "gimple_bb_p" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "region", "type": "sese", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "gbb", "type": "gimple_bb_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
find_scop_parameters
void
static void find_scop_parameters (scop_p scop) { poly_bb_p pbb; unsigned i; sese region = SCOP_REGION (scop); struct loop *loop; mpz_t one; mpz_init (one); mpz_set_si (one, 1); /* Find the parameters used in the loop bounds. */ FOR_EACH_VEC_ELT (loop_p, SESE_LOOP_NEST (region), i, loop) { tree nb_iters = number_of_latch_executions (loop); if (!chrec_contains_symbols (nb_iters)) continue; nb_iters = scalar_evolution_in_region (region, loop, nb_iters); scan_tree_for_params (region, nb_iters, NULL, one); } mpz_clear (one); /* Find the parameters used in data accesses. */ FOR_EACH_VEC_ELT (poly_bb_p, SCOP_BBS (scop), i, pbb) find_params_in_bb (region, PBB_BLACK_BOX (pbb)); scop_set_nb_params (scop, sese_nb_params (region)); SESE_ADD_PARAMS (region) = false; ppl_new_Pointset_Powerset_C_Polyhedron_from_space_dimension (&SCOP_CONTEXT (scop), scop_nb_params (scop), 0); }
/* Record the parameters used in the SCOP. A variable is a parameter in a scop if it does not vary during the execution of that scop. */
Record the parameters used in the SCOP. A variable is a parameter in a scop if it does not vary during the execution of that scop.
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static void find_scop_parameters (scop_p scop) { poly_bb_p pbb; unsigned i; sese region = SCOP_REGION (scop); struct loop *loop; mpz_t one; mpz_init (one); mpz_set_si (one, 1); FOR_EACH_VEC_ELT (loop_p, SESE_LOOP_NEST (region), i, loop) { tree nb_iters = number_of_latch_executions (loop); if (!chrec_contains_symbols (nb_iters)) continue; nb_iters = scalar_evolution_in_region (region, loop, nb_iters); scan_tree_for_params (region, nb_iters, NULL, one); } mpz_clear (one); FOR_EACH_VEC_ELT (poly_bb_p, SCOP_BBS (scop), i, pbb) find_params_in_bb (region, PBB_BLACK_BOX (pbb)); scop_set_nb_params (scop, sese_nb_params (region)); SESE_ADD_PARAMS (region) = false; ppl_new_Pointset_Powerset_C_Polyhedron_from_space_dimension (&SCOP_CONTEXT (scop), scop_nb_params (scop), 0); }
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Record the parameters used in the SCOP.
[ "Record", "the", "parameters", "used", "in", "the", "SCOP", "." ]
[ "/* Find the parameters used in the loop bounds. */", "/* Find the parameters used in data accesses. */" ]
[ { "param": "scop", "type": "scop_p" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "scop", "type": "scop_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
add_upper_bounds_from_estimated_nit
void
static void add_upper_bounds_from_estimated_nit (scop_p scop, double_int nit, ppl_dimension_type dim, ppl_Linear_Expression_t ub_expr) { mpz_t val; ppl_Linear_Expression_t nb_iters_le; ppl_Polyhedron_t pol; ppl_Coefficient_t coef; ppl_Constraint_t ub; ppl_new_C_Polyhedron_from_space_dimension (&pol, dim, 0); ppl_new_Linear_Expression_from_Linear_Expression (&nb_iters_le, ub_expr); /* Construct the negated number of last iteration in VAL. */ mpz_init (val); mpz_set_double_int (val, nit, false); mpz_sub_ui (val, val, 1); mpz_neg (val, val); /* NB_ITERS_LE holds the number of last iteration in parametrical form. Subtract estimated number of last iteration and assert that result is not positive. */ ppl_new_Coefficient_from_mpz_t (&coef, val); ppl_Linear_Expression_add_to_inhomogeneous (nb_iters_le, coef); ppl_delete_Coefficient (coef); ppl_new_Constraint (&ub, nb_iters_le, PPL_CONSTRAINT_TYPE_LESS_OR_EQUAL); ppl_Polyhedron_add_constraint (pol, ub); /* Remove all but last GDIM dimensions from POL to obtain only the constraints on the parameters. */ { graphite_dim_t gdim = scop_nb_params (scop); ppl_dimension_type *dims = XNEWVEC (ppl_dimension_type, dim - gdim); graphite_dim_t i; for (i = 0; i < dim - gdim; i++) dims[i] = i; ppl_Polyhedron_remove_space_dimensions (pol, dims, dim - gdim); XDELETEVEC (dims); } /* Add the constraints on the parameters to the SCoP context. */ { ppl_Pointset_Powerset_C_Polyhedron_t constraints_ps; ppl_new_Pointset_Powerset_C_Polyhedron_from_C_Polyhedron (&constraints_ps, pol); ppl_Pointset_Powerset_C_Polyhedron_intersection_assign (SCOP_CONTEXT (scop), constraints_ps); ppl_delete_Pointset_Powerset_C_Polyhedron (constraints_ps); } ppl_delete_Polyhedron (pol); ppl_delete_Linear_Expression (nb_iters_le); ppl_delete_Constraint (ub); mpz_clear (val); }
/* Insert in the SCOP context constraints from the estimation of the number of iterations. UB_EXPR is a linear expression describing the number of iterations in a loop. This expression is bounded by the estimation NIT. */
Insert in the SCOP context constraints from the estimation of the number of iterations. UB_EXPR is a linear expression describing the number of iterations in a loop. This expression is bounded by the estimation NIT.
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static void add_upper_bounds_from_estimated_nit (scop_p scop, double_int nit, ppl_dimension_type dim, ppl_Linear_Expression_t ub_expr) { mpz_t val; ppl_Linear_Expression_t nb_iters_le; ppl_Polyhedron_t pol; ppl_Coefficient_t coef; ppl_Constraint_t ub; ppl_new_C_Polyhedron_from_space_dimension (&pol, dim, 0); ppl_new_Linear_Expression_from_Linear_Expression (&nb_iters_le, ub_expr); mpz_init (val); mpz_set_double_int (val, nit, false); mpz_sub_ui (val, val, 1); mpz_neg (val, val); ppl_new_Coefficient_from_mpz_t (&coef, val); ppl_Linear_Expression_add_to_inhomogeneous (nb_iters_le, coef); ppl_delete_Coefficient (coef); ppl_new_Constraint (&ub, nb_iters_le, PPL_CONSTRAINT_TYPE_LESS_OR_EQUAL); ppl_Polyhedron_add_constraint (pol, ub); { graphite_dim_t gdim = scop_nb_params (scop); ppl_dimension_type *dims = XNEWVEC (ppl_dimension_type, dim - gdim); graphite_dim_t i; for (i = 0; i < dim - gdim; i++) dims[i] = i; ppl_Polyhedron_remove_space_dimensions (pol, dims, dim - gdim); XDELETEVEC (dims); } { ppl_Pointset_Powerset_C_Polyhedron_t constraints_ps; ppl_new_Pointset_Powerset_C_Polyhedron_from_C_Polyhedron (&constraints_ps, pol); ppl_Pointset_Powerset_C_Polyhedron_intersection_assign (SCOP_CONTEXT (scop), constraints_ps); ppl_delete_Pointset_Powerset_C_Polyhedron (constraints_ps); } ppl_delete_Polyhedron (pol); ppl_delete_Linear_Expression (nb_iters_le); ppl_delete_Constraint (ub); mpz_clear (val); }
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Insert in the SCOP context constraints from the estimation of the number of iterations.
[ "Insert", "in", "the", "SCOP", "context", "constraints", "from", "the", "estimation", "of", "the", "number", "of", "iterations", "." ]
[ "/* Construct the negated number of last iteration in VAL. */", "/* NB_ITERS_LE holds the number of last iteration in\n parametrical form. Subtract estimated number of last\n iteration and assert that result is not positive. */", "/* Remove all but last GDIM dimensions from POL to obtain\n only the constraints on the parameters. */", "/* Add the constraints on the parameters to the SCoP context. */" ]
[ { "param": "scop", "type": "scop_p" }, { "param": "nit", "type": "double_int" }, { "param": "dim", "type": "ppl_dimension_type" }, { "param": "ub_expr", "type": "ppl_Linear_Expression_t" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "scop", "type": "scop_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "nit", "type": "double_int", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "dim", "type": "ppl_dimension_type", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "ub_expr", "type": "ppl_Linear_Expression_t", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
create_linear_expr_from_tree
ppl_Linear_Expression_t
static ppl_Linear_Expression_t create_linear_expr_from_tree (poly_bb_p pbb, tree t) { mpz_t one; ppl_Linear_Expression_t res; ppl_dimension_type dim; sese region = SCOP_REGION (PBB_SCOP (pbb)); loop_p loop = pbb_loop (pbb); dim = pbb_dim_iter_domain (pbb) + pbb_nb_params (pbb); ppl_new_Linear_Expression_with_dimension (&res, dim); t = scalar_evolution_in_region (region, loop, t); gcc_assert (!automatically_generated_chrec_p (t)); mpz_init (one); mpz_set_si (one, 1); scan_tree_for_params (region, t, res, one); mpz_clear (one); return res; }
/* Returns a linear expression for tree T evaluated in PBB. */
Returns a linear expression for tree T evaluated in PBB.
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static ppl_Linear_Expression_t create_linear_expr_from_tree (poly_bb_p pbb, tree t) { mpz_t one; ppl_Linear_Expression_t res; ppl_dimension_type dim; sese region = SCOP_REGION (PBB_SCOP (pbb)); loop_p loop = pbb_loop (pbb); dim = pbb_dim_iter_domain (pbb) + pbb_nb_params (pbb); ppl_new_Linear_Expression_with_dimension (&res, dim); t = scalar_evolution_in_region (region, loop, t); gcc_assert (!automatically_generated_chrec_p (t)); mpz_init (one); mpz_set_si (one, 1); scan_tree_for_params (region, t, res, one); mpz_clear (one); return res; }
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Returns a linear expression for tree T evaluated in PBB.
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[]
[ { "param": "pbb", "type": "poly_bb_p" }, { "param": "t", "type": "tree" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "pbb", "type": "poly_bb_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "t", "type": "tree", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
ppl_constraint_type_from_tree_code
null
static enum ppl_enum_Constraint_Type ppl_constraint_type_from_tree_code (enum tree_code code) { switch (code) { /* We do not support LT and GT to be able to work with C_Polyhedron. As we work on integer polyhedron "a < b" can be expressed by "a + 1 <= b". */ case LT_EXPR: case GT_EXPR: gcc_unreachable (); case LE_EXPR: return PPL_CONSTRAINT_TYPE_LESS_OR_EQUAL; case GE_EXPR: return PPL_CONSTRAINT_TYPE_GREATER_OR_EQUAL; case EQ_EXPR: return PPL_CONSTRAINT_TYPE_EQUAL; default: gcc_unreachable (); } }
/* Returns the ppl constraint type from the gimple tree code CODE. */
Returns the ppl constraint type from the gimple tree code CODE.
[ "Returns", "the", "ppl", "constraint", "type", "from", "the", "gimple", "tree", "code", "CODE", "." ]
static enum ppl_enum_Constraint_Type ppl_constraint_type_from_tree_code (enum tree_code code) { switch (code) { case LT_EXPR: case GT_EXPR: gcc_unreachable (); case LE_EXPR: return PPL_CONSTRAINT_TYPE_LESS_OR_EQUAL; case GE_EXPR: return PPL_CONSTRAINT_TYPE_GREATER_OR_EQUAL; case EQ_EXPR: return PPL_CONSTRAINT_TYPE_EQUAL; default: gcc_unreachable (); } }
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Returns the ppl constraint type from the gimple tree code CODE.
[ "Returns", "the", "ppl", "constraint", "type", "from", "the", "gimple", "tree", "code", "CODE", "." ]
[ "/* We do not support LT and GT to be able to work with C_Polyhedron.\n As we work on integer polyhedron \"a < b\" can be expressed by\n \"a + 1 <= b\". */" ]
[ { "param": "code", "type": "enum tree_code" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "code", "type": "enum tree_code", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
add_condition_to_pbb
void
static void add_condition_to_pbb (poly_bb_p pbb, gimple stmt, enum tree_code code) { if (code == NE_EXPR) { ppl_Pointset_Powerset_C_Polyhedron_t left = PBB_DOMAIN (pbb); ppl_Pointset_Powerset_C_Polyhedron_t right; ppl_new_Pointset_Powerset_C_Polyhedron_from_Pointset_Powerset_C_Polyhedron (&right, left); add_condition_to_domain (left, stmt, pbb, LT_EXPR); add_condition_to_domain (right, stmt, pbb, GT_EXPR); ppl_Pointset_Powerset_C_Polyhedron_upper_bound_assign (left, right); ppl_delete_Pointset_Powerset_C_Polyhedron (right); } else add_condition_to_domain (PBB_DOMAIN (pbb), stmt, pbb, code); }
/* Add conditional statement STMT to pbb. CODE is used as the comparision operator. This allows us to invert the condition or to handle inequalities. */
Add conditional statement STMT to pbb. CODE is used as the comparision operator. This allows us to invert the condition or to handle inequalities.
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static void add_condition_to_pbb (poly_bb_p pbb, gimple stmt, enum tree_code code) { if (code == NE_EXPR) { ppl_Pointset_Powerset_C_Polyhedron_t left = PBB_DOMAIN (pbb); ppl_Pointset_Powerset_C_Polyhedron_t right; ppl_new_Pointset_Powerset_C_Polyhedron_from_Pointset_Powerset_C_Polyhedron (&right, left); add_condition_to_domain (left, stmt, pbb, LT_EXPR); add_condition_to_domain (right, stmt, pbb, GT_EXPR); ppl_Pointset_Powerset_C_Polyhedron_upper_bound_assign (left, right); ppl_delete_Pointset_Powerset_C_Polyhedron (right); } else add_condition_to_domain (PBB_DOMAIN (pbb), stmt, pbb, code); }
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Add conditional statement STMT to pbb.
[ "Add", "conditional", "statement", "STMT", "to", "pbb", "." ]
[]
[ { "param": "pbb", "type": "poly_bb_p" }, { "param": "stmt", "type": "gimple" }, { "param": "code", "type": "enum tree_code" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "pbb", "type": "poly_bb_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "stmt", "type": "gimple", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "code", "type": "enum tree_code", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
add_conditions_to_constraints
void
static void add_conditions_to_constraints (scop_p scop) { int i; poly_bb_p pbb; FOR_EACH_VEC_ELT (poly_bb_p, SCOP_BBS (scop), i, pbb) add_conditions_to_domain (pbb); }
/* Traverses all the GBBs of the SCOP and add their constraints to the iteration domains. */
Traverses all the GBBs of the SCOP and add their constraints to the iteration domains.
[ "Traverses", "all", "the", "GBBs", "of", "the", "SCOP", "and", "add", "their", "constraints", "to", "the", "iteration", "domains", "." ]
static void add_conditions_to_constraints (scop_p scop) { int i; poly_bb_p pbb; FOR_EACH_VEC_ELT (poly_bb_p, SCOP_BBS (scop), i, pbb) add_conditions_to_domain (pbb); }
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Traverses all the GBBs of the SCOP and add their constraints to the iteration domains.
[ "Traverses", "all", "the", "GBBs", "of", "the", "SCOP", "and", "add", "their", "constraints", "to", "the", "iteration", "domains", "." ]
[]
[ { "param": "scop", "type": "scop_p" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "scop", "type": "scop_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
single_pred_cond_non_loop_exit
gimple
static gimple single_pred_cond_non_loop_exit (basic_block bb) { if (single_pred_p (bb)) { edge e = single_pred_edge (bb); basic_block pred = e->src; gimple stmt; if (loop_depth (pred->loop_father) > loop_depth (bb->loop_father)) return NULL; stmt = last_stmt (pred); if (stmt && gimple_code (stmt) == GIMPLE_COND) return stmt; } return NULL; }
/* Returns a COND_EXPR statement when BB has a single predecessor, the edge between BB and its predecessor is not a loop exit edge, and the last statement of the single predecessor is a COND_EXPR. */
Returns a COND_EXPR statement when BB has a single predecessor, the edge between BB and its predecessor is not a loop exit edge, and the last statement of the single predecessor is a COND_EXPR.
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static gimple single_pred_cond_non_loop_exit (basic_block bb) { if (single_pred_p (bb)) { edge e = single_pred_edge (bb); basic_block pred = e->src; gimple stmt; if (loop_depth (pred->loop_father) > loop_depth (bb->loop_father)) return NULL; stmt = last_stmt (pred); if (stmt && gimple_code (stmt) == GIMPLE_COND) return stmt; } return NULL; }
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Returns a COND_EXPR statement when BB has a single predecessor, the edge between BB and its predecessor is not a loop exit edge, and the last statement of the single predecessor is a COND_EXPR.
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[]
[ { "param": "bb", "type": "basic_block" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "bb", "type": "basic_block", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
build_sese_conditions_before
void
static void build_sese_conditions_before (struct dom_walk_data *dw_data, basic_block bb) { struct bsc *data = (struct bsc *) dw_data->global_data; VEC (gimple, heap) **conditions = data->conditions; VEC (gimple, heap) **cases = data->cases; gimple_bb_p gbb; gimple stmt; if (!bb_in_sese_p (bb, data->region)) return; stmt = single_pred_cond_non_loop_exit (bb); if (stmt) { edge e = single_pred_edge (bb); VEC_safe_push (gimple, heap, *conditions, stmt); if (e->flags & EDGE_TRUE_VALUE) VEC_safe_push (gimple, heap, *cases, stmt); else VEC_safe_push (gimple, heap, *cases, NULL); } gbb = gbb_from_bb (bb); if (gbb) { GBB_CONDITIONS (gbb) = VEC_copy (gimple, heap, *conditions); GBB_CONDITION_CASES (gbb) = VEC_copy (gimple, heap, *cases); } }
/* Call-back for dom_walk executed before visiting the dominated blocks. */
Call-back for dom_walk executed before visiting the dominated blocks.
[ "Call", "-", "back", "for", "dom_walk", "executed", "before", "visiting", "the", "dominated", "blocks", "." ]
static void build_sese_conditions_before (struct dom_walk_data *dw_data, basic_block bb) { struct bsc *data = (struct bsc *) dw_data->global_data; VEC (gimple, heap) **conditions = data->conditions; VEC (gimple, heap) **cases = data->cases; gimple_bb_p gbb; gimple stmt; if (!bb_in_sese_p (bb, data->region)) return; stmt = single_pred_cond_non_loop_exit (bb); if (stmt) { edge e = single_pred_edge (bb); VEC_safe_push (gimple, heap, *conditions, stmt); if (e->flags & EDGE_TRUE_VALUE) VEC_safe_push (gimple, heap, *cases, stmt); else VEC_safe_push (gimple, heap, *cases, NULL); } gbb = gbb_from_bb (bb); if (gbb) { GBB_CONDITIONS (gbb) = VEC_copy (gimple, heap, *conditions); GBB_CONDITION_CASES (gbb) = VEC_copy (gimple, heap, *cases); } }
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Call-back for dom_walk executed before visiting the dominated blocks.
[ "Call", "-", "back", "for", "dom_walk", "executed", "before", "visiting", "the", "dominated", "blocks", "." ]
[]
[ { "param": "dw_data", "type": "struct dom_walk_data" }, { "param": "bb", "type": "basic_block" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "dw_data", "type": "struct dom_walk_data", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "bb", "type": "basic_block", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
build_sese_conditions_after
void
static void build_sese_conditions_after (struct dom_walk_data *dw_data, basic_block bb) { struct bsc *data = (struct bsc *) dw_data->global_data; VEC (gimple, heap) **conditions = data->conditions; VEC (gimple, heap) **cases = data->cases; if (!bb_in_sese_p (bb, data->region)) return; if (single_pred_cond_non_loop_exit (bb)) { VEC_pop (gimple, *conditions); VEC_pop (gimple, *cases); } }
/* Call-back for dom_walk executed after visiting the dominated blocks. */
Call-back for dom_walk executed after visiting the dominated blocks.
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static void build_sese_conditions_after (struct dom_walk_data *dw_data, basic_block bb) { struct bsc *data = (struct bsc *) dw_data->global_data; VEC (gimple, heap) **conditions = data->conditions; VEC (gimple, heap) **cases = data->cases; if (!bb_in_sese_p (bb, data->region)) return; if (single_pred_cond_non_loop_exit (bb)) { VEC_pop (gimple, *conditions); VEC_pop (gimple, *cases); } }
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Call-back for dom_walk executed after visiting the dominated blocks.
[ "Call", "-", "back", "for", "dom_walk", "executed", "after", "visiting", "the", "dominated", "blocks", "." ]
[]
[ { "param": "dw_data", "type": "struct dom_walk_data" }, { "param": "bb", "type": "basic_block" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "dw_data", "type": "struct dom_walk_data", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "bb", "type": "basic_block", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
build_sese_conditions
void
static void build_sese_conditions (sese region) { struct dom_walk_data walk_data; VEC (gimple, heap) *conditions = VEC_alloc (gimple, heap, 3); VEC (gimple, heap) *cases = VEC_alloc (gimple, heap, 3); struct bsc data; data.conditions = &conditions; data.cases = &cases; data.region = region; walk_data.dom_direction = CDI_DOMINATORS; walk_data.initialize_block_local_data = NULL; walk_data.before_dom_children = build_sese_conditions_before; walk_data.after_dom_children = build_sese_conditions_after; walk_data.global_data = &data; walk_data.block_local_data_size = 0; init_walk_dominator_tree (&walk_data); walk_dominator_tree (&walk_data, SESE_ENTRY_BB (region)); fini_walk_dominator_tree (&walk_data); VEC_free (gimple, heap, conditions); VEC_free (gimple, heap, cases); }
/* Record all conditions in REGION. */
Record all conditions in REGION.
[ "Record", "all", "conditions", "in", "REGION", "." ]
static void build_sese_conditions (sese region) { struct dom_walk_data walk_data; VEC (gimple, heap) *conditions = VEC_alloc (gimple, heap, 3); VEC (gimple, heap) *cases = VEC_alloc (gimple, heap, 3); struct bsc data; data.conditions = &conditions; data.cases = &cases; data.region = region; walk_data.dom_direction = CDI_DOMINATORS; walk_data.initialize_block_local_data = NULL; walk_data.before_dom_children = build_sese_conditions_before; walk_data.after_dom_children = build_sese_conditions_after; walk_data.global_data = &data; walk_data.block_local_data_size = 0; init_walk_dominator_tree (&walk_data); walk_dominator_tree (&walk_data, SESE_ENTRY_BB (region)); fini_walk_dominator_tree (&walk_data); VEC_free (gimple, heap, conditions); VEC_free (gimple, heap, cases); }
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Record all conditions in REGION.
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[]
[ { "param": "region", "type": "sese" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "region", "type": "sese", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
add_param_constraints
void
static void add_param_constraints (scop_p scop, ppl_Polyhedron_t context, graphite_dim_t p) { ppl_Constraint_t cstr; ppl_Linear_Expression_t le; tree parameter = VEC_index (tree, SESE_PARAMS (SCOP_REGION (scop)), p); tree type = TREE_TYPE (parameter); tree lb = NULL_TREE; tree ub = NULL_TREE; if (POINTER_TYPE_P (type) || !TYPE_MIN_VALUE (type)) lb = lower_bound_in_type (type, type); else lb = TYPE_MIN_VALUE (type); if (POINTER_TYPE_P (type) || !TYPE_MAX_VALUE (type)) ub = upper_bound_in_type (type, type); else ub = TYPE_MAX_VALUE (type); if (lb) { ppl_new_Linear_Expression_with_dimension (&le, scop_nb_params (scop)); ppl_set_coef (le, p, -1); ppl_set_inhomogeneous_tree (le, lb); ppl_new_Constraint (&cstr, le, PPL_CONSTRAINT_TYPE_LESS_OR_EQUAL); ppl_Polyhedron_add_constraint (context, cstr); ppl_delete_Linear_Expression (le); ppl_delete_Constraint (cstr); } if (ub) { ppl_new_Linear_Expression_with_dimension (&le, scop_nb_params (scop)); ppl_set_coef (le, p, -1); ppl_set_inhomogeneous_tree (le, ub); ppl_new_Constraint (&cstr, le, PPL_CONSTRAINT_TYPE_GREATER_OR_EQUAL); ppl_Polyhedron_add_constraint (context, cstr); ppl_delete_Linear_Expression (le); ppl_delete_Constraint (cstr); } }
/* Add constraints on the possible values of parameter P from the type of P. */
Add constraints on the possible values of parameter P from the type of P.
[ "Add", "constraints", "on", "the", "possible", "values", "of", "parameter", "P", "from", "the", "type", "of", "P", "." ]
static void add_param_constraints (scop_p scop, ppl_Polyhedron_t context, graphite_dim_t p) { ppl_Constraint_t cstr; ppl_Linear_Expression_t le; tree parameter = VEC_index (tree, SESE_PARAMS (SCOP_REGION (scop)), p); tree type = TREE_TYPE (parameter); tree lb = NULL_TREE; tree ub = NULL_TREE; if (POINTER_TYPE_P (type) || !TYPE_MIN_VALUE (type)) lb = lower_bound_in_type (type, type); else lb = TYPE_MIN_VALUE (type); if (POINTER_TYPE_P (type) || !TYPE_MAX_VALUE (type)) ub = upper_bound_in_type (type, type); else ub = TYPE_MAX_VALUE (type); if (lb) { ppl_new_Linear_Expression_with_dimension (&le, scop_nb_params (scop)); ppl_set_coef (le, p, -1); ppl_set_inhomogeneous_tree (le, lb); ppl_new_Constraint (&cstr, le, PPL_CONSTRAINT_TYPE_LESS_OR_EQUAL); ppl_Polyhedron_add_constraint (context, cstr); ppl_delete_Linear_Expression (le); ppl_delete_Constraint (cstr); } if (ub) { ppl_new_Linear_Expression_with_dimension (&le, scop_nb_params (scop)); ppl_set_coef (le, p, -1); ppl_set_inhomogeneous_tree (le, ub); ppl_new_Constraint (&cstr, le, PPL_CONSTRAINT_TYPE_GREATER_OR_EQUAL); ppl_Polyhedron_add_constraint (context, cstr); ppl_delete_Linear_Expression (le); ppl_delete_Constraint (cstr); } }
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Add constraints on the possible values of parameter P from the type of P.
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[]
[ { "param": "scop", "type": "scop_p" }, { "param": "context", "type": "ppl_Polyhedron_t" }, { "param": "p", "type": "graphite_dim_t" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "scop", "type": "scop_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "context", "type": "ppl_Polyhedron_t", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "p", "type": "graphite_dim_t", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
build_scop_context
void
static void build_scop_context (scop_p scop) { ppl_Polyhedron_t context; ppl_Pointset_Powerset_C_Polyhedron_t ps; graphite_dim_t p, n = scop_nb_params (scop); ppl_new_C_Polyhedron_from_space_dimension (&context, n, 0); for (p = 0; p < n; p++) add_param_constraints (scop, context, p); ppl_new_Pointset_Powerset_C_Polyhedron_from_C_Polyhedron (&ps, context); ppl_Pointset_Powerset_C_Polyhedron_intersection_assign (SCOP_CONTEXT (scop), ps); ppl_delete_Pointset_Powerset_C_Polyhedron (ps); ppl_delete_Polyhedron (context); }
/* Build the context of the SCOP. The context usually contains extra constraints that are added to the iteration domains that constrain some parameters. */
Build the context of the SCOP. The context usually contains extra constraints that are added to the iteration domains that constrain some parameters.
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static void build_scop_context (scop_p scop) { ppl_Polyhedron_t context; ppl_Pointset_Powerset_C_Polyhedron_t ps; graphite_dim_t p, n = scop_nb_params (scop); ppl_new_C_Polyhedron_from_space_dimension (&context, n, 0); for (p = 0; p < n; p++) add_param_constraints (scop, context, p); ppl_new_Pointset_Powerset_C_Polyhedron_from_C_Polyhedron (&ps, context); ppl_Pointset_Powerset_C_Polyhedron_intersection_assign (SCOP_CONTEXT (scop), ps); ppl_delete_Pointset_Powerset_C_Polyhedron (ps); ppl_delete_Polyhedron (context); }
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Build the context of the SCOP.
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[]
[ { "param": "scop", "type": "scop_p" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "scop", "type": "scop_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
pdr_add_alias_set
void
static void pdr_add_alias_set (ppl_Polyhedron_t accesses, data_reference_p dr, ppl_dimension_type accessp_nb_dims, ppl_dimension_type dom_nb_dims) { ppl_Linear_Expression_t alias; ppl_Constraint_t cstr; int alias_set_num = 0; base_alias_pair *bap = (base_alias_pair *)(dr->aux); if (bap && bap->alias_set) alias_set_num = *(bap->alias_set); ppl_new_Linear_Expression_with_dimension (&alias, accessp_nb_dims); ppl_set_coef (alias, dom_nb_dims, 1); ppl_set_inhomogeneous (alias, -alias_set_num); ppl_new_Constraint (&cstr, alias, PPL_CONSTRAINT_TYPE_EQUAL); ppl_Polyhedron_add_constraint (accesses, cstr); ppl_delete_Linear_Expression (alias); ppl_delete_Constraint (cstr); }
/* Add a constrain to the ACCESSES polyhedron for the alias set of data reference DR. ACCESSP_NB_DIMS is the dimension of the ACCESSES polyhedron, DOM_NB_DIMS is the dimension of the iteration domain. */
Add a constrain to the ACCESSES polyhedron for the alias set of data reference DR. ACCESSP_NB_DIMS is the dimension of the ACCESSES polyhedron, DOM_NB_DIMS is the dimension of the iteration domain.
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static void pdr_add_alias_set (ppl_Polyhedron_t accesses, data_reference_p dr, ppl_dimension_type accessp_nb_dims, ppl_dimension_type dom_nb_dims) { ppl_Linear_Expression_t alias; ppl_Constraint_t cstr; int alias_set_num = 0; base_alias_pair *bap = (base_alias_pair *)(dr->aux); if (bap && bap->alias_set) alias_set_num = *(bap->alias_set); ppl_new_Linear_Expression_with_dimension (&alias, accessp_nb_dims); ppl_set_coef (alias, dom_nb_dims, 1); ppl_set_inhomogeneous (alias, -alias_set_num); ppl_new_Constraint (&cstr, alias, PPL_CONSTRAINT_TYPE_EQUAL); ppl_Polyhedron_add_constraint (accesses, cstr); ppl_delete_Linear_Expression (alias); ppl_delete_Constraint (cstr); }
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Add a constrain to the ACCESSES polyhedron for the alias set of data reference DR. ACCESSP_NB_DIMS is the dimension of the ACCESSES polyhedron, DOM_NB_DIMS is the dimension of the iteration domain.
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[]
[ { "param": "accesses", "type": "ppl_Polyhedron_t" }, { "param": "dr", "type": "data_reference_p" }, { "param": "accessp_nb_dims", "type": "ppl_dimension_type" }, { "param": "dom_nb_dims", "type": "ppl_dimension_type" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "accesses", "type": "ppl_Polyhedron_t", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "dr", "type": "data_reference_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "accessp_nb_dims", "type": "ppl_dimension_type", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "dom_nb_dims", "type": "ppl_dimension_type", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
pdr_add_memory_accesses
void
static void pdr_add_memory_accesses (ppl_Polyhedron_t accesses, data_reference_p dr, ppl_dimension_type accessp_nb_dims, ppl_dimension_type dom_nb_dims, poly_bb_p pbb) { int i, nb_subscripts = DR_NUM_DIMENSIONS (dr); mpz_t v; scop_p scop = PBB_SCOP (pbb); sese region = SCOP_REGION (scop); mpz_init (v); for (i = 0; i < nb_subscripts; i++) { ppl_Linear_Expression_t fn, access; ppl_Constraint_t cstr; ppl_dimension_type subscript = dom_nb_dims + 1 + i; tree afn = DR_ACCESS_FN (dr, nb_subscripts - 1 - i); ppl_new_Linear_Expression_with_dimension (&fn, dom_nb_dims); ppl_new_Linear_Expression_with_dimension (&access, accessp_nb_dims); mpz_set_si (v, 1); scan_tree_for_params (region, afn, fn, v); ppl_assign_Linear_Expression_from_Linear_Expression (access, fn); ppl_set_coef (access, subscript, -1); ppl_new_Constraint (&cstr, access, PPL_CONSTRAINT_TYPE_EQUAL); ppl_Polyhedron_add_constraint (accesses, cstr); ppl_delete_Linear_Expression (fn); ppl_delete_Linear_Expression (access); ppl_delete_Constraint (cstr); } mpz_clear (v); }
/* Add to ACCESSES polyhedron equalities defining the access functions to the memory. ACCESSP_NB_DIMS is the dimension of the ACCESSES polyhedron, DOM_NB_DIMS is the dimension of the iteration domain. PBB is the poly_bb_p that contains the data reference DR. */
Add to ACCESSES polyhedron equalities defining the access functions to the memory. ACCESSP_NB_DIMS is the dimension of the ACCESSES polyhedron, DOM_NB_DIMS is the dimension of the iteration domain. PBB is the poly_bb_p that contains the data reference DR.
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static void pdr_add_memory_accesses (ppl_Polyhedron_t accesses, data_reference_p dr, ppl_dimension_type accessp_nb_dims, ppl_dimension_type dom_nb_dims, poly_bb_p pbb) { int i, nb_subscripts = DR_NUM_DIMENSIONS (dr); mpz_t v; scop_p scop = PBB_SCOP (pbb); sese region = SCOP_REGION (scop); mpz_init (v); for (i = 0; i < nb_subscripts; i++) { ppl_Linear_Expression_t fn, access; ppl_Constraint_t cstr; ppl_dimension_type subscript = dom_nb_dims + 1 + i; tree afn = DR_ACCESS_FN (dr, nb_subscripts - 1 - i); ppl_new_Linear_Expression_with_dimension (&fn, dom_nb_dims); ppl_new_Linear_Expression_with_dimension (&access, accessp_nb_dims); mpz_set_si (v, 1); scan_tree_for_params (region, afn, fn, v); ppl_assign_Linear_Expression_from_Linear_Expression (access, fn); ppl_set_coef (access, subscript, -1); ppl_new_Constraint (&cstr, access, PPL_CONSTRAINT_TYPE_EQUAL); ppl_Polyhedron_add_constraint (accesses, cstr); ppl_delete_Linear_Expression (fn); ppl_delete_Linear_Expression (access); ppl_delete_Constraint (cstr); } mpz_clear (v); }
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Add to ACCESSES polyhedron equalities defining the access functions to the memory.
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[]
[ { "param": "accesses", "type": "ppl_Polyhedron_t" }, { "param": "dr", "type": "data_reference_p" }, { "param": "accessp_nb_dims", "type": "ppl_dimension_type" }, { "param": "dom_nb_dims", "type": "ppl_dimension_type" }, { "param": "pbb", "type": "poly_bb_p" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "accesses", "type": "ppl_Polyhedron_t", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "dr", "type": "data_reference_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "accessp_nb_dims", "type": "ppl_dimension_type", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "dom_nb_dims", "type": "ppl_dimension_type", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "pbb", "type": "poly_bb_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
pdr_add_data_dimensions
void
static void pdr_add_data_dimensions (ppl_Polyhedron_t accesses, data_reference_p dr, ppl_dimension_type accessp_nb_dims, ppl_dimension_type dom_nb_dims) { tree ref = DR_REF (dr); int i, nb_subscripts = DR_NUM_DIMENSIONS (dr); for (i = nb_subscripts - 1; i >= 0; i--, ref = TREE_OPERAND (ref, 0)) { ppl_Linear_Expression_t expr; ppl_Constraint_t cstr; ppl_dimension_type subscript = dom_nb_dims + 1 + i; tree low, high; if (TREE_CODE (ref) != ARRAY_REF) break; low = array_ref_low_bound (ref); /* subscript - low >= 0 */ if (host_integerp (low, 0)) { tree minus_low; ppl_new_Linear_Expression_with_dimension (&expr, accessp_nb_dims); ppl_set_coef (expr, subscript, 1); minus_low = fold_build1 (NEGATE_EXPR, TREE_TYPE (low), low); ppl_set_inhomogeneous_tree (expr, minus_low); ppl_new_Constraint (&cstr, expr, PPL_CONSTRAINT_TYPE_GREATER_OR_EQUAL); ppl_Polyhedron_add_constraint (accesses, cstr); ppl_delete_Linear_Expression (expr); ppl_delete_Constraint (cstr); } high = array_ref_up_bound (ref); /* high - subscript >= 0 */ if (high && host_integerp (high, 0) /* 1-element arrays at end of structures may extend over their declared size. */ && !(array_at_struct_end_p (ref) && operand_equal_p (low, high, 0))) { ppl_new_Linear_Expression_with_dimension (&expr, accessp_nb_dims); ppl_set_coef (expr, subscript, -1); ppl_set_inhomogeneous_tree (expr, high); ppl_new_Constraint (&cstr, expr, PPL_CONSTRAINT_TYPE_GREATER_OR_EQUAL); ppl_Polyhedron_add_constraint (accesses, cstr); ppl_delete_Linear_Expression (expr); ppl_delete_Constraint (cstr); } } }
/* Add constrains representing the size of the accessed data to the ACCESSES polyhedron. ACCESSP_NB_DIMS is the dimension of the ACCESSES polyhedron, DOM_NB_DIMS is the dimension of the iteration domain. */
Add constrains representing the size of the accessed data to the ACCESSES polyhedron. ACCESSP_NB_DIMS is the dimension of the ACCESSES polyhedron, DOM_NB_DIMS is the dimension of the iteration domain.
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static void pdr_add_data_dimensions (ppl_Polyhedron_t accesses, data_reference_p dr, ppl_dimension_type accessp_nb_dims, ppl_dimension_type dom_nb_dims) { tree ref = DR_REF (dr); int i, nb_subscripts = DR_NUM_DIMENSIONS (dr); for (i = nb_subscripts - 1; i >= 0; i--, ref = TREE_OPERAND (ref, 0)) { ppl_Linear_Expression_t expr; ppl_Constraint_t cstr; ppl_dimension_type subscript = dom_nb_dims + 1 + i; tree low, high; if (TREE_CODE (ref) != ARRAY_REF) break; low = array_ref_low_bound (ref); if (host_integerp (low, 0)) { tree minus_low; ppl_new_Linear_Expression_with_dimension (&expr, accessp_nb_dims); ppl_set_coef (expr, subscript, 1); minus_low = fold_build1 (NEGATE_EXPR, TREE_TYPE (low), low); ppl_set_inhomogeneous_tree (expr, minus_low); ppl_new_Constraint (&cstr, expr, PPL_CONSTRAINT_TYPE_GREATER_OR_EQUAL); ppl_Polyhedron_add_constraint (accesses, cstr); ppl_delete_Linear_Expression (expr); ppl_delete_Constraint (cstr); } high = array_ref_up_bound (ref); if (high && host_integerp (high, 0) && !(array_at_struct_end_p (ref) && operand_equal_p (low, high, 0))) { ppl_new_Linear_Expression_with_dimension (&expr, accessp_nb_dims); ppl_set_coef (expr, subscript, -1); ppl_set_inhomogeneous_tree (expr, high); ppl_new_Constraint (&cstr, expr, PPL_CONSTRAINT_TYPE_GREATER_OR_EQUAL); ppl_Polyhedron_add_constraint (accesses, cstr); ppl_delete_Linear_Expression (expr); ppl_delete_Constraint (cstr); } } }
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Add constrains representing the size of the accessed data to the ACCESSES polyhedron.
[ "Add", "constrains", "representing", "the", "size", "of", "the", "accessed", "data", "to", "the", "ACCESSES", "polyhedron", "." ]
[ "/* subscript - low >= 0 */", "/* high - subscript >= 0 */", "/* 1-element arrays at end of structures may extend over\n\t their declared size. */" ]
[ { "param": "accesses", "type": "ppl_Polyhedron_t" }, { "param": "dr", "type": "data_reference_p" }, { "param": "accessp_nb_dims", "type": "ppl_dimension_type" }, { "param": "dom_nb_dims", "type": "ppl_dimension_type" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "accesses", "type": "ppl_Polyhedron_t", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "dr", "type": "data_reference_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "accessp_nb_dims", "type": "ppl_dimension_type", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "dom_nb_dims", "type": "ppl_dimension_type", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
build_poly_dr
void
static void build_poly_dr (data_reference_p dr, poly_bb_p pbb) { ppl_Polyhedron_t accesses; ppl_Pointset_Powerset_C_Polyhedron_t accesses_ps; ppl_dimension_type dom_nb_dims; ppl_dimension_type accessp_nb_dims; int dr_base_object_set; ppl_Pointset_Powerset_C_Polyhedron_space_dimension (PBB_DOMAIN (pbb), &dom_nb_dims); accessp_nb_dims = dom_nb_dims + 1 + DR_NUM_DIMENSIONS (dr); ppl_new_C_Polyhedron_from_space_dimension (&accesses, accessp_nb_dims, 0); pdr_add_alias_set (accesses, dr, accessp_nb_dims, dom_nb_dims); pdr_add_memory_accesses (accesses, dr, accessp_nb_dims, dom_nb_dims, pbb); pdr_add_data_dimensions (accesses, dr, accessp_nb_dims, dom_nb_dims); ppl_new_Pointset_Powerset_C_Polyhedron_from_C_Polyhedron (&accesses_ps, accesses); ppl_delete_Polyhedron (accesses); gcc_assert (dr->aux); dr_base_object_set = ((base_alias_pair *)(dr->aux))->base_obj_set; new_poly_dr (pbb, dr_base_object_set, accesses_ps, DR_IS_READ (dr) ? PDR_READ : PDR_WRITE, dr, DR_NUM_DIMENSIONS (dr)); }
/* Build data accesses for DR in PBB. */
Build data accesses for DR in PBB.
[ "Build", "data", "accesses", "for", "DR", "in", "PBB", "." ]
static void build_poly_dr (data_reference_p dr, poly_bb_p pbb) { ppl_Polyhedron_t accesses; ppl_Pointset_Powerset_C_Polyhedron_t accesses_ps; ppl_dimension_type dom_nb_dims; ppl_dimension_type accessp_nb_dims; int dr_base_object_set; ppl_Pointset_Powerset_C_Polyhedron_space_dimension (PBB_DOMAIN (pbb), &dom_nb_dims); accessp_nb_dims = dom_nb_dims + 1 + DR_NUM_DIMENSIONS (dr); ppl_new_C_Polyhedron_from_space_dimension (&accesses, accessp_nb_dims, 0); pdr_add_alias_set (accesses, dr, accessp_nb_dims, dom_nb_dims); pdr_add_memory_accesses (accesses, dr, accessp_nb_dims, dom_nb_dims, pbb); pdr_add_data_dimensions (accesses, dr, accessp_nb_dims, dom_nb_dims); ppl_new_Pointset_Powerset_C_Polyhedron_from_C_Polyhedron (&accesses_ps, accesses); ppl_delete_Polyhedron (accesses); gcc_assert (dr->aux); dr_base_object_set = ((base_alias_pair *)(dr->aux))->base_obj_set; new_poly_dr (pbb, dr_base_object_set, accesses_ps, DR_IS_READ (dr) ? PDR_READ : PDR_WRITE, dr, DR_NUM_DIMENSIONS (dr)); }
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Build data accesses for DR in PBB.
[ "Build", "data", "accesses", "for", "DR", "in", "PBB", "." ]
[]
[ { "param": "dr", "type": "data_reference_p" }, { "param": "pbb", "type": "poly_bb_p" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "dr", "type": "data_reference_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "pbb", "type": "poly_bb_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
dr_same_base_object_p
bool
static bool dr_same_base_object_p (const struct data_reference *dr1, const struct data_reference *dr2) { return operand_equal_p (DR_BASE_OBJECT (dr1), DR_BASE_OBJECT (dr2), 0); }
/* Check if DR1 and DR2 are in the same object set. */
Check if DR1 and DR2 are in the same object set.
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static bool dr_same_base_object_p (const struct data_reference *dr1, const struct data_reference *dr2) { return operand_equal_p (DR_BASE_OBJECT (dr1), DR_BASE_OBJECT (dr2), 0); }
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Check if DR1 and DR2 are in the same object set.
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[]
[ { "param": "dr1", "type": "struct data_reference" }, { "param": "dr2", "type": "struct data_reference" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "dr1", "type": "struct data_reference", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "dr2", "type": "struct data_reference", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
build_pbb_drs
void
static void build_pbb_drs (poly_bb_p pbb) { int j; data_reference_p dr; VEC (data_reference_p, heap) *gbb_drs = GBB_DATA_REFS (PBB_BLACK_BOX (pbb)); FOR_EACH_VEC_ELT (data_reference_p, gbb_drs, j, dr) build_poly_dr (dr, pbb); }
/* Build the data references for PBB. */
Build the data references for PBB.
[ "Build", "the", "data", "references", "for", "PBB", "." ]
static void build_pbb_drs (poly_bb_p pbb) { int j; data_reference_p dr; VEC (data_reference_p, heap) *gbb_drs = GBB_DATA_REFS (PBB_BLACK_BOX (pbb)); FOR_EACH_VEC_ELT (data_reference_p, gbb_drs, j, dr) build_poly_dr (dr, pbb); }
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Build the data references for PBB.
[ "Build", "the", "data", "references", "for", "PBB", "." ]
[]
[ { "param": "pbb", "type": "poly_bb_p" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "pbb", "type": "poly_bb_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
gsi_for_phi_node
gimple_stmt_iterator
static gimple_stmt_iterator gsi_for_phi_node (gimple stmt) { gimple_stmt_iterator psi; basic_block bb = gimple_bb (stmt); for (psi = gsi_start_phis (bb); !gsi_end_p (psi); gsi_next (&psi)) if (stmt == gsi_stmt (psi)) return psi; gcc_unreachable (); return psi; }
/* Return a gsi at the position of the phi node STMT. */
Return a gsi at the position of the phi node STMT.
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static gimple_stmt_iterator gsi_for_phi_node (gimple stmt) { gimple_stmt_iterator psi; basic_block bb = gimple_bb (stmt); for (psi = gsi_start_phis (bb); !gsi_end_p (psi); gsi_next (&psi)) if (stmt == gsi_stmt (psi)) return psi; gcc_unreachable (); return psi; }
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Return a gsi at the position of the phi node STMT.
[ "Return", "a", "gsi", "at", "the", "position", "of", "the", "phi", "node", "STMT", "." ]
[]
[ { "param": "stmt", "type": "gimple" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "stmt", "type": "gimple", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
insert_stmts
void
static void insert_stmts (scop_p scop, gimple stmt, gimple_seq stmts, gimple_stmt_iterator insert_gsi) { gimple_stmt_iterator gsi; VEC (gimple, heap) *x = VEC_alloc (gimple, heap, 3); if (!stmts) stmts = gimple_seq_alloc (); gsi = gsi_last (stmts); gsi_insert_after (&gsi, stmt, GSI_NEW_STMT); for (gsi = gsi_start (stmts); !gsi_end_p (gsi); gsi_next (&gsi)) VEC_safe_push (gimple, heap, x, gsi_stmt (gsi)); gsi_insert_seq_before (&insert_gsi, stmts, GSI_SAME_STMT); analyze_drs_in_stmts (scop, gsi_bb (insert_gsi), x); VEC_free (gimple, heap, x); }
/* Insert STMT at the end of the STMTS sequence and then insert the statements from STMTS at INSERT_GSI and call analyze_drs_in_stmts on STMTS. */
Insert STMT at the end of the STMTS sequence and then insert the statements from STMTS at INSERT_GSI and call analyze_drs_in_stmts on STMTS.
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static void insert_stmts (scop_p scop, gimple stmt, gimple_seq stmts, gimple_stmt_iterator insert_gsi) { gimple_stmt_iterator gsi; VEC (gimple, heap) *x = VEC_alloc (gimple, heap, 3); if (!stmts) stmts = gimple_seq_alloc (); gsi = gsi_last (stmts); gsi_insert_after (&gsi, stmt, GSI_NEW_STMT); for (gsi = gsi_start (stmts); !gsi_end_p (gsi); gsi_next (&gsi)) VEC_safe_push (gimple, heap, x, gsi_stmt (gsi)); gsi_insert_seq_before (&insert_gsi, stmts, GSI_SAME_STMT); analyze_drs_in_stmts (scop, gsi_bb (insert_gsi), x); VEC_free (gimple, heap, x); }
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Insert STMT at the end of the STMTS sequence and then insert the statements from STMTS at INSERT_GSI and call analyze_drs_in_stmts on STMTS.
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[]
[ { "param": "scop", "type": "scop_p" }, { "param": "stmt", "type": "gimple" }, { "param": "stmts", "type": "gimple_seq" }, { "param": "insert_gsi", "type": "gimple_stmt_iterator" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "scop", "type": "scop_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "stmt", "type": "gimple", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "stmts", "type": "gimple_seq", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "insert_gsi", "type": "gimple_stmt_iterator", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
new_pbb_from_pbb
void
static void new_pbb_from_pbb (scop_p scop, poly_bb_p pbb, basic_block bb) { VEC (data_reference_p, heap) *drs = VEC_alloc (data_reference_p, heap, 3); gimple_bb_p gbb = PBB_BLACK_BOX (pbb); gimple_bb_p gbb1 = new_gimple_bb (bb, drs); poly_bb_p pbb1 = new_poly_bb (scop, gbb1); int index, n = VEC_length (poly_bb_p, SCOP_BBS (scop)); /* The INDEX of PBB in SCOP_BBS. */ for (index = 0; index < n; index++) if (VEC_index (poly_bb_p, SCOP_BBS (scop), index) == pbb) break; if (PBB_DOMAIN (pbb)) ppl_new_Pointset_Powerset_C_Polyhedron_from_Pointset_Powerset_C_Polyhedron (&PBB_DOMAIN (pbb1), PBB_DOMAIN (pbb)); GBB_PBB (gbb1) = pbb1; GBB_CONDITIONS (gbb1) = VEC_copy (gimple, heap, GBB_CONDITIONS (gbb)); GBB_CONDITION_CASES (gbb1) = VEC_copy (gimple, heap, GBB_CONDITION_CASES (gbb)); VEC_safe_insert (poly_bb_p, heap, SCOP_BBS (scop), index + 1, pbb1); }
/* Creates a poly_bb_p for basic_block BB from the existing PBB. */
Creates a poly_bb_p for basic_block BB from the existing PBB.
[ "Creates", "a", "poly_bb_p", "for", "basic_block", "BB", "from", "the", "existing", "PBB", "." ]
static void new_pbb_from_pbb (scop_p scop, poly_bb_p pbb, basic_block bb) { VEC (data_reference_p, heap) *drs = VEC_alloc (data_reference_p, heap, 3); gimple_bb_p gbb = PBB_BLACK_BOX (pbb); gimple_bb_p gbb1 = new_gimple_bb (bb, drs); poly_bb_p pbb1 = new_poly_bb (scop, gbb1); int index, n = VEC_length (poly_bb_p, SCOP_BBS (scop)); for (index = 0; index < n; index++) if (VEC_index (poly_bb_p, SCOP_BBS (scop), index) == pbb) break; if (PBB_DOMAIN (pbb)) ppl_new_Pointset_Powerset_C_Polyhedron_from_Pointset_Powerset_C_Polyhedron (&PBB_DOMAIN (pbb1), PBB_DOMAIN (pbb)); GBB_PBB (gbb1) = pbb1; GBB_CONDITIONS (gbb1) = VEC_copy (gimple, heap, GBB_CONDITIONS (gbb)); GBB_CONDITION_CASES (gbb1) = VEC_copy (gimple, heap, GBB_CONDITION_CASES (gbb)); VEC_safe_insert (poly_bb_p, heap, SCOP_BBS (scop), index + 1, pbb1); }
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Creates a poly_bb_p for basic_block BB from the existing PBB.
[ "Creates", "a", "poly_bb_p", "for", "basic_block", "BB", "from", "the", "existing", "PBB", "." ]
[ "/* The INDEX of PBB in SCOP_BBS. */" ]
[ { "param": "scop", "type": "scop_p" }, { "param": "pbb", "type": "poly_bb_p" }, { "param": "bb", "type": "basic_block" } ]
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9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
create_zero_dim_array
tree
static tree create_zero_dim_array (tree var, const char *base_name) { tree index_type = build_index_type (integer_zero_node); tree elt_type = TREE_TYPE (var); tree array_type = build_array_type (elt_type, index_type); tree base = create_tmp_var (array_type, base_name); add_referenced_var (base); return build4 (ARRAY_REF, elt_type, base, integer_zero_node, NULL_TREE, NULL_TREE); }
/* Creates a zero dimension array of the same type as VAR. */
Creates a zero dimension array of the same type as VAR.
[ "Creates", "a", "zero", "dimension", "array", "of", "the", "same", "type", "as", "VAR", "." ]
static tree create_zero_dim_array (tree var, const char *base_name) { tree index_type = build_index_type (integer_zero_node); tree elt_type = TREE_TYPE (var); tree array_type = build_array_type (elt_type, index_type); tree base = create_tmp_var (array_type, base_name); add_referenced_var (base); return build4 (ARRAY_REF, elt_type, base, integer_zero_node, NULL_TREE, NULL_TREE); }
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Creates a zero dimension array of the same type as VAR.
[ "Creates", "a", "zero", "dimension", "array", "of", "the", "same", "type", "as", "VAR", "." ]
[]
[ { "param": "var", "type": "tree" }, { "param": "base_name", "type": "char" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "var", "type": "tree", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "base_name", "type": "char", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
scalar_close_phi_node_p
bool
static bool scalar_close_phi_node_p (gimple phi) { if (gimple_code (phi) != GIMPLE_PHI || !is_gimple_reg (gimple_phi_result (phi))) return false; /* Note that loop close phi nodes should have a single argument because we translated the representation into a canonical form before Graphite: see canonicalize_loop_closed_ssa_form. */ return (gimple_phi_num_args (phi) == 1); }
/* Returns true when PHI is a loop close phi node. */
Returns true when PHI is a loop close phi node.
[ "Returns", "true", "when", "PHI", "is", "a", "loop", "close", "phi", "node", "." ]
static bool scalar_close_phi_node_p (gimple phi) { if (gimple_code (phi) != GIMPLE_PHI || !is_gimple_reg (gimple_phi_result (phi))) return false; return (gimple_phi_num_args (phi) == 1); }
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Returns true when PHI is a loop close phi node.
[ "Returns", "true", "when", "PHI", "is", "a", "loop", "close", "phi", "node", "." ]
[ "/* Note that loop close phi nodes should have a single argument\n because we translated the representation into a canonical form\n before Graphite: see canonicalize_loop_closed_ssa_form. */" ]
[ { "param": "phi", "type": "gimple" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "phi", "type": "gimple", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
propagate_expr_outside_region
void
static void propagate_expr_outside_region (tree def, tree expr, sese region) { imm_use_iterator imm_iter; gimple use_stmt; gimple_seq stmts; bool replaced_once = false; gcc_assert (TREE_CODE (def) == SSA_NAME); expr = force_gimple_operand (unshare_expr (expr), &stmts, true, NULL_TREE); FOR_EACH_IMM_USE_STMT (use_stmt, imm_iter, def) if (!is_gimple_debug (use_stmt) && !bb_in_sese_p (gimple_bb (use_stmt), region)) { ssa_op_iter iter; use_operand_p use_p; FOR_EACH_PHI_OR_STMT_USE (use_p, use_stmt, iter, SSA_OP_ALL_USES) if (operand_equal_p (def, USE_FROM_PTR (use_p), 0) && (replaced_once = true)) replace_exp (use_p, expr); update_stmt (use_stmt); } if (replaced_once) { gsi_insert_seq_on_edge (SESE_ENTRY (region), stmts); gsi_commit_edge_inserts (); } }
/* For a definition DEF in REGION, propagates the expression EXPR in all the uses of DEF outside REGION. */
For a definition DEF in REGION, propagates the expression EXPR in all the uses of DEF outside REGION.
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static void propagate_expr_outside_region (tree def, tree expr, sese region) { imm_use_iterator imm_iter; gimple use_stmt; gimple_seq stmts; bool replaced_once = false; gcc_assert (TREE_CODE (def) == SSA_NAME); expr = force_gimple_operand (unshare_expr (expr), &stmts, true, NULL_TREE); FOR_EACH_IMM_USE_STMT (use_stmt, imm_iter, def) if (!is_gimple_debug (use_stmt) && !bb_in_sese_p (gimple_bb (use_stmt), region)) { ssa_op_iter iter; use_operand_p use_p; FOR_EACH_PHI_OR_STMT_USE (use_p, use_stmt, iter, SSA_OP_ALL_USES) if (operand_equal_p (def, USE_FROM_PTR (use_p), 0) && (replaced_once = true)) replace_exp (use_p, expr); update_stmt (use_stmt); } if (replaced_once) { gsi_insert_seq_on_edge (SESE_ENTRY (region), stmts); gsi_commit_edge_inserts (); } }
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For a definition DEF in REGION, propagates the expression EXPR in all the uses of DEF outside REGION.
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[]
[ { "param": "def", "type": "tree" }, { "param": "expr", "type": "tree" }, { "param": "region", "type": "sese" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "def", "type": "tree", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "expr", "type": "tree", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "region", "type": "sese", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
rewrite_close_phi_out_of_ssa
void
static void rewrite_close_phi_out_of_ssa (scop_p scop, gimple_stmt_iterator *psi) { sese region = SCOP_REGION (scop); gimple phi = gsi_stmt (*psi); tree res = gimple_phi_result (phi); tree var = SSA_NAME_VAR (res); basic_block bb = gimple_bb (phi); gimple_stmt_iterator gsi = gsi_after_labels (bb); tree arg = gimple_phi_arg_def (phi, 0); gimple stmt; /* Note that loop close phi nodes should have a single argument because we translated the representation into a canonical form before Graphite: see canonicalize_loop_closed_ssa_form. */ gcc_assert (gimple_phi_num_args (phi) == 1); /* The phi node can be a non close phi node, when its argument is invariant, or a default definition. */ if (is_gimple_min_invariant (arg) || SSA_NAME_IS_DEFAULT_DEF (arg)) { propagate_expr_outside_region (res, arg, region); gsi_next (psi); return; } else if (gimple_bb (SSA_NAME_DEF_STMT (arg))->loop_father == bb->loop_father) { propagate_expr_outside_region (res, arg, region); stmt = gimple_build_assign (res, arg); remove_phi_node (psi, false); gsi_insert_before (&gsi, stmt, GSI_NEW_STMT); SSA_NAME_DEF_STMT (res) = stmt; return; } /* If res is scev analyzable and is not a scalar value, it is safe to ignore the close phi node: it will be code generated in the out of Graphite pass. */ else if (scev_analyzable_p (res, region)) { loop_p loop = loop_containing_stmt (SSA_NAME_DEF_STMT (res)); tree scev; if (!loop_in_sese_p (loop, region)) { loop = loop_containing_stmt (SSA_NAME_DEF_STMT (arg)); scev = scalar_evolution_in_region (region, loop, arg); scev = compute_overall_effect_of_inner_loop (loop, scev); } else scev = scalar_evolution_in_region (region, loop, res); if (tree_does_not_contain_chrecs (scev)) propagate_expr_outside_region (res, scev, region); gsi_next (psi); return; } else { tree zero_dim_array = create_zero_dim_array (var, "Close_Phi"); stmt = gimple_build_assign (res, zero_dim_array); if (TREE_CODE (arg) == SSA_NAME) insert_out_of_ssa_copy (scop, zero_dim_array, arg, SSA_NAME_DEF_STMT (arg)); else insert_out_of_ssa_copy_on_edge (scop, single_pred_edge (bb), zero_dim_array, arg); } remove_phi_node (psi, false); SSA_NAME_DEF_STMT (res) = stmt; insert_stmts (scop, stmt, NULL, gsi_after_labels (bb)); }
/* Rewrite out of SSA the reduction phi node at PSI by creating a zero dimension array for it. */
Rewrite out of SSA the reduction phi node at PSI by creating a zero dimension array for it.
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static void rewrite_close_phi_out_of_ssa (scop_p scop, gimple_stmt_iterator *psi) { sese region = SCOP_REGION (scop); gimple phi = gsi_stmt (*psi); tree res = gimple_phi_result (phi); tree var = SSA_NAME_VAR (res); basic_block bb = gimple_bb (phi); gimple_stmt_iterator gsi = gsi_after_labels (bb); tree arg = gimple_phi_arg_def (phi, 0); gimple stmt; gcc_assert (gimple_phi_num_args (phi) == 1); if (is_gimple_min_invariant (arg) || SSA_NAME_IS_DEFAULT_DEF (arg)) { propagate_expr_outside_region (res, arg, region); gsi_next (psi); return; } else if (gimple_bb (SSA_NAME_DEF_STMT (arg))->loop_father == bb->loop_father) { propagate_expr_outside_region (res, arg, region); stmt = gimple_build_assign (res, arg); remove_phi_node (psi, false); gsi_insert_before (&gsi, stmt, GSI_NEW_STMT); SSA_NAME_DEF_STMT (res) = stmt; return; } else if (scev_analyzable_p (res, region)) { loop_p loop = loop_containing_stmt (SSA_NAME_DEF_STMT (res)); tree scev; if (!loop_in_sese_p (loop, region)) { loop = loop_containing_stmt (SSA_NAME_DEF_STMT (arg)); scev = scalar_evolution_in_region (region, loop, arg); scev = compute_overall_effect_of_inner_loop (loop, scev); } else scev = scalar_evolution_in_region (region, loop, res); if (tree_does_not_contain_chrecs (scev)) propagate_expr_outside_region (res, scev, region); gsi_next (psi); return; } else { tree zero_dim_array = create_zero_dim_array (var, "Close_Phi"); stmt = gimple_build_assign (res, zero_dim_array); if (TREE_CODE (arg) == SSA_NAME) insert_out_of_ssa_copy (scop, zero_dim_array, arg, SSA_NAME_DEF_STMT (arg)); else insert_out_of_ssa_copy_on_edge (scop, single_pred_edge (bb), zero_dim_array, arg); } remove_phi_node (psi, false); SSA_NAME_DEF_STMT (res) = stmt; insert_stmts (scop, stmt, NULL, gsi_after_labels (bb)); }
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Rewrite out of SSA the reduction phi node at PSI by creating a zero dimension array for it.
[ "Rewrite", "out", "of", "SSA", "the", "reduction", "phi", "node", "at", "PSI", "by", "creating", "a", "zero", "dimension", "array", "for", "it", "." ]
[ "/* Note that loop close phi nodes should have a single argument\n because we translated the representation into a canonical form\n before Graphite: see canonicalize_loop_closed_ssa_form. */", "/* The phi node can be a non close phi node, when its argument is\n invariant, or a default definition. */", "/* If res is scev analyzable and is not a scalar value, it is safe\n to ignore the close phi node: it will be code generated in the\n out of Graphite pass. */" ]
[ { "param": "scop", "type": "scop_p" }, { "param": "psi", "type": "gimple_stmt_iterator" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "scop", "type": "scop_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "psi", "type": "gimple_stmt_iterator", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
rewrite_phi_out_of_ssa
void
static void rewrite_phi_out_of_ssa (scop_p scop, gimple_stmt_iterator *psi) { size_t i; gimple phi = gsi_stmt (*psi); basic_block bb = gimple_bb (phi); tree res = gimple_phi_result (phi); tree var = SSA_NAME_VAR (res); tree zero_dim_array = create_zero_dim_array (var, "phi_out_of_ssa"); gimple stmt; gimple_seq stmts; for (i = 0; i < gimple_phi_num_args (phi); i++) { tree arg = gimple_phi_arg_def (phi, i); edge e = gimple_phi_arg_edge (phi, i); /* Avoid the insertion of code in the loop latch to please the pattern matching of the vectorizer. */ if (TREE_CODE (arg) == SSA_NAME && e->src == bb->loop_father->latch) insert_out_of_ssa_copy (scop, zero_dim_array, arg, SSA_NAME_DEF_STMT (arg)); else insert_out_of_ssa_copy_on_edge (scop, e, zero_dim_array, arg); } var = force_gimple_operand (zero_dim_array, &stmts, true, NULL_TREE); stmt = gimple_build_assign (res, var); remove_phi_node (psi, false); SSA_NAME_DEF_STMT (res) = stmt; insert_stmts (scop, stmt, stmts, gsi_after_labels (bb)); }
/* Rewrite out of SSA the reduction phi node at PSI by creating a zero dimension array for it. */
Rewrite out of SSA the reduction phi node at PSI by creating a zero dimension array for it.
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static void rewrite_phi_out_of_ssa (scop_p scop, gimple_stmt_iterator *psi) { size_t i; gimple phi = gsi_stmt (*psi); basic_block bb = gimple_bb (phi); tree res = gimple_phi_result (phi); tree var = SSA_NAME_VAR (res); tree zero_dim_array = create_zero_dim_array (var, "phi_out_of_ssa"); gimple stmt; gimple_seq stmts; for (i = 0; i < gimple_phi_num_args (phi); i++) { tree arg = gimple_phi_arg_def (phi, i); edge e = gimple_phi_arg_edge (phi, i); if (TREE_CODE (arg) == SSA_NAME && e->src == bb->loop_father->latch) insert_out_of_ssa_copy (scop, zero_dim_array, arg, SSA_NAME_DEF_STMT (arg)); else insert_out_of_ssa_copy_on_edge (scop, e, zero_dim_array, arg); } var = force_gimple_operand (zero_dim_array, &stmts, true, NULL_TREE); stmt = gimple_build_assign (res, var); remove_phi_node (psi, false); SSA_NAME_DEF_STMT (res) = stmt; insert_stmts (scop, stmt, stmts, gsi_after_labels (bb)); }
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Rewrite out of SSA the reduction phi node at PSI by creating a zero dimension array for it.
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[ "/* Avoid the insertion of code in the loop latch to please the\n\t pattern matching of the vectorizer. */" ]
[ { "param": "scop", "type": "scop_p" }, { "param": "psi", "type": "gimple_stmt_iterator" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "scop", "type": "scop_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "psi", "type": "gimple_stmt_iterator", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
rewrite_reductions_out_of_ssa
void
static void rewrite_reductions_out_of_ssa (scop_p scop) { basic_block bb; gimple_stmt_iterator psi; sese region = SCOP_REGION (scop); FOR_EACH_BB (bb) if (bb_in_sese_p (bb, region)) for (psi = gsi_start_phis (bb); !gsi_end_p (psi);) { gimple phi = gsi_stmt (psi); if (!is_gimple_reg (gimple_phi_result (phi))) { gsi_next (&psi); continue; } if (gimple_phi_num_args (phi) > 1 && degenerate_phi_result (phi)) rewrite_degenerate_phi (&psi); else if (scalar_close_phi_node_p (phi)) rewrite_close_phi_out_of_ssa (scop, &psi); else if (reduction_phi_p (region, &psi)) rewrite_phi_out_of_ssa (scop, &psi); } update_ssa (TODO_update_ssa); #ifdef ENABLE_CHECKING verify_loop_closed_ssa (true); #endif }
/* Rewrite out of SSA all the reduction phi nodes of SCOP. */
Rewrite out of SSA all the reduction phi nodes of SCOP.
[ "Rewrite", "out", "of", "SSA", "all", "the", "reduction", "phi", "nodes", "of", "SCOP", "." ]
static void rewrite_reductions_out_of_ssa (scop_p scop) { basic_block bb; gimple_stmt_iterator psi; sese region = SCOP_REGION (scop); FOR_EACH_BB (bb) if (bb_in_sese_p (bb, region)) for (psi = gsi_start_phis (bb); !gsi_end_p (psi);) { gimple phi = gsi_stmt (psi); if (!is_gimple_reg (gimple_phi_result (phi))) { gsi_next (&psi); continue; } if (gimple_phi_num_args (phi) > 1 && degenerate_phi_result (phi)) rewrite_degenerate_phi (&psi); else if (scalar_close_phi_node_p (phi)) rewrite_close_phi_out_of_ssa (scop, &psi); else if (reduction_phi_p (region, &psi)) rewrite_phi_out_of_ssa (scop, &psi); } update_ssa (TODO_update_ssa); #ifdef ENABLE_CHECKING verify_loop_closed_ssa (true); #endif }
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Rewrite out of SSA all the reduction phi nodes of SCOP.
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[]
[ { "param": "scop", "type": "scop_p" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "scop", "type": "scop_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
rewrite_cross_bb_scalar_dependence
void
static void rewrite_cross_bb_scalar_dependence (scop_p scop, tree zero_dim_array, tree def, gimple use_stmt) { tree var = SSA_NAME_VAR (def); gimple name_stmt = gimple_build_assign (var, zero_dim_array); tree name = make_ssa_name (var, name_stmt); ssa_op_iter iter; use_operand_p use_p; gcc_assert (gimple_code (use_stmt) != GIMPLE_PHI); gimple_assign_set_lhs (name_stmt, name); insert_stmts (scop, name_stmt, NULL, gsi_for_stmt (use_stmt)); FOR_EACH_SSA_USE_OPERAND (use_p, use_stmt, iter, SSA_OP_ALL_USES) if (operand_equal_p (def, USE_FROM_PTR (use_p), 0)) replace_exp (use_p, name); update_stmt (use_stmt); }
/* Rewrite the scalar dependence of DEF used in USE_STMT with a memory read from ZERO_DIM_ARRAY. */
Rewrite the scalar dependence of DEF used in USE_STMT with a memory read from ZERO_DIM_ARRAY.
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static void rewrite_cross_bb_scalar_dependence (scop_p scop, tree zero_dim_array, tree def, gimple use_stmt) { tree var = SSA_NAME_VAR (def); gimple name_stmt = gimple_build_assign (var, zero_dim_array); tree name = make_ssa_name (var, name_stmt); ssa_op_iter iter; use_operand_p use_p; gcc_assert (gimple_code (use_stmt) != GIMPLE_PHI); gimple_assign_set_lhs (name_stmt, name); insert_stmts (scop, name_stmt, NULL, gsi_for_stmt (use_stmt)); FOR_EACH_SSA_USE_OPERAND (use_p, use_stmt, iter, SSA_OP_ALL_USES) if (operand_equal_p (def, USE_FROM_PTR (use_p), 0)) replace_exp (use_p, name); update_stmt (use_stmt); }
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Rewrite the scalar dependence of DEF used in USE_STMT with a memory read from ZERO_DIM_ARRAY.
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[]
[ { "param": "scop", "type": "scop_p" }, { "param": "zero_dim_array", "type": "tree" }, { "param": "def", "type": "tree" }, { "param": "use_stmt", "type": "gimple" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "scop", "type": "scop_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "zero_dim_array", "type": "tree", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "def", "type": "tree", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "use_stmt", "type": "gimple", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
handle_scalar_deps_crossing_scop_limits
void
static void handle_scalar_deps_crossing_scop_limits (scop_p scop, tree def, gimple stmt) { tree var = create_tmp_reg (TREE_TYPE (def), NULL); tree new_name = make_ssa_name (var, stmt); bool needs_copy = false; use_operand_p use_p; imm_use_iterator imm_iter; gimple use_stmt; sese region = SCOP_REGION (scop); FOR_EACH_IMM_USE_STMT (use_stmt, imm_iter, def) { if (!bb_in_sese_p (gimple_bb (use_stmt), region)) { FOR_EACH_IMM_USE_ON_STMT (use_p, imm_iter) { SET_USE (use_p, new_name); } update_stmt (use_stmt); needs_copy = true; } } /* Insert in the empty BB just after the scop a use of DEF such that the rewrite of cross_bb_scalar_dependences won't insert arrays everywhere else. */ if (needs_copy) { gimple assign = gimple_build_assign (new_name, def); gimple_stmt_iterator psi = gsi_after_labels (SESE_EXIT (region)->dest); add_referenced_var (var); SSA_NAME_DEF_STMT (new_name) = assign; update_stmt (assign); gsi_insert_before (&psi, assign, GSI_SAME_STMT); } }
/* For every definition DEF in the SCOP that is used outside the scop, insert a closing-scop definition in the basic block just after this SCOP. */
For every definition DEF in the SCOP that is used outside the scop, insert a closing-scop definition in the basic block just after this SCOP.
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static void handle_scalar_deps_crossing_scop_limits (scop_p scop, tree def, gimple stmt) { tree var = create_tmp_reg (TREE_TYPE (def), NULL); tree new_name = make_ssa_name (var, stmt); bool needs_copy = false; use_operand_p use_p; imm_use_iterator imm_iter; gimple use_stmt; sese region = SCOP_REGION (scop); FOR_EACH_IMM_USE_STMT (use_stmt, imm_iter, def) { if (!bb_in_sese_p (gimple_bb (use_stmt), region)) { FOR_EACH_IMM_USE_ON_STMT (use_p, imm_iter) { SET_USE (use_p, new_name); } update_stmt (use_stmt); needs_copy = true; } } if (needs_copy) { gimple assign = gimple_build_assign (new_name, def); gimple_stmt_iterator psi = gsi_after_labels (SESE_EXIT (region)->dest); add_referenced_var (var); SSA_NAME_DEF_STMT (new_name) = assign; update_stmt (assign); gsi_insert_before (&psi, assign, GSI_SAME_STMT); } }
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For every definition DEF in the SCOP that is used outside the scop, insert a closing-scop definition in the basic block just after this SCOP.
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[ "/* Insert in the empty BB just after the scop a use of DEF such\n that the rewrite of cross_bb_scalar_dependences won't insert\n arrays everywhere else. */" ]
[ { "param": "scop", "type": "scop_p" }, { "param": "def", "type": "tree" }, { "param": "stmt", "type": "gimple" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "scop", "type": "scop_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "def", "type": "tree", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "stmt", "type": "gimple", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
rewrite_cross_bb_scalar_deps
bool
static bool rewrite_cross_bb_scalar_deps (scop_p scop, gimple_stmt_iterator *gsi) { sese region = SCOP_REGION (scop); gimple stmt = gsi_stmt (*gsi); imm_use_iterator imm_iter; tree def; basic_block def_bb; tree zero_dim_array = NULL_TREE; gimple use_stmt; bool res = false; switch (gimple_code (stmt)) { case GIMPLE_ASSIGN: def = gimple_assign_lhs (stmt); break; case GIMPLE_CALL: def = gimple_call_lhs (stmt); break; default: return false; } if (!def || !is_gimple_reg (def)) return false; if (scev_analyzable_p (def, region)) { loop_p loop = loop_containing_stmt (SSA_NAME_DEF_STMT (def)); tree scev = scalar_evolution_in_region (region, loop, def); if (tree_contains_chrecs (scev, NULL)) return false; propagate_expr_outside_region (def, scev, region); return true; } def_bb = gimple_bb (stmt); handle_scalar_deps_crossing_scop_limits (scop, def, stmt); FOR_EACH_IMM_USE_STMT (use_stmt, imm_iter, def) if (gimple_code (use_stmt) == GIMPLE_PHI && (res = true)) { gimple_stmt_iterator psi = gsi_for_stmt (use_stmt); if (scalar_close_phi_node_p (gsi_stmt (psi))) rewrite_close_phi_out_of_ssa (scop, &psi); else rewrite_phi_out_of_ssa (scop, &psi); } FOR_EACH_IMM_USE_STMT (use_stmt, imm_iter, def) if (gimple_code (use_stmt) != GIMPLE_PHI && def_bb != gimple_bb (use_stmt) && !is_gimple_debug (use_stmt) && (res = true)) { if (!zero_dim_array) { zero_dim_array = create_zero_dim_array (SSA_NAME_VAR (def), "Cross_BB_scalar_dependence"); insert_out_of_ssa_copy (scop, zero_dim_array, def, SSA_NAME_DEF_STMT (def)); gsi_next (gsi); } rewrite_cross_bb_scalar_dependence (scop, zero_dim_array, def, use_stmt); } return res; }
/* Rewrite the scalar dependences crossing the boundary of the BB containing STMT with an array. Return true when something has been changed. */
Rewrite the scalar dependences crossing the boundary of the BB containing STMT with an array. Return true when something has been changed.
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static bool rewrite_cross_bb_scalar_deps (scop_p scop, gimple_stmt_iterator *gsi) { sese region = SCOP_REGION (scop); gimple stmt = gsi_stmt (*gsi); imm_use_iterator imm_iter; tree def; basic_block def_bb; tree zero_dim_array = NULL_TREE; gimple use_stmt; bool res = false; switch (gimple_code (stmt)) { case GIMPLE_ASSIGN: def = gimple_assign_lhs (stmt); break; case GIMPLE_CALL: def = gimple_call_lhs (stmt); break; default: return false; } if (!def || !is_gimple_reg (def)) return false; if (scev_analyzable_p (def, region)) { loop_p loop = loop_containing_stmt (SSA_NAME_DEF_STMT (def)); tree scev = scalar_evolution_in_region (region, loop, def); if (tree_contains_chrecs (scev, NULL)) return false; propagate_expr_outside_region (def, scev, region); return true; } def_bb = gimple_bb (stmt); handle_scalar_deps_crossing_scop_limits (scop, def, stmt); FOR_EACH_IMM_USE_STMT (use_stmt, imm_iter, def) if (gimple_code (use_stmt) == GIMPLE_PHI && (res = true)) { gimple_stmt_iterator psi = gsi_for_stmt (use_stmt); if (scalar_close_phi_node_p (gsi_stmt (psi))) rewrite_close_phi_out_of_ssa (scop, &psi); else rewrite_phi_out_of_ssa (scop, &psi); } FOR_EACH_IMM_USE_STMT (use_stmt, imm_iter, def) if (gimple_code (use_stmt) != GIMPLE_PHI && def_bb != gimple_bb (use_stmt) && !is_gimple_debug (use_stmt) && (res = true)) { if (!zero_dim_array) { zero_dim_array = create_zero_dim_array (SSA_NAME_VAR (def), "Cross_BB_scalar_dependence"); insert_out_of_ssa_copy (scop, zero_dim_array, def, SSA_NAME_DEF_STMT (def)); gsi_next (gsi); } rewrite_cross_bb_scalar_dependence (scop, zero_dim_array, def, use_stmt); } return res; }
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Rewrite the scalar dependences crossing the boundary of the BB containing STMT with an array.
[ "Rewrite", "the", "scalar", "dependences", "crossing", "the", "boundary", "of", "the", "BB", "containing", "STMT", "with", "an", "array", "." ]
[]
[ { "param": "scop", "type": "scop_p" }, { "param": "gsi", "type": "gimple_stmt_iterator" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "scop", "type": "scop_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "gsi", "type": "gimple_stmt_iterator", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
rewrite_cross_bb_scalar_deps_out_of_ssa
void
static void rewrite_cross_bb_scalar_deps_out_of_ssa (scop_p scop) { basic_block bb; gimple_stmt_iterator psi; sese region = SCOP_REGION (scop); bool changed = false; /* Create an extra empty BB after the scop. */ split_edge (SESE_EXIT (region)); FOR_EACH_BB (bb) if (bb_in_sese_p (bb, region)) for (psi = gsi_start_bb (bb); !gsi_end_p (psi); gsi_next (&psi)) changed |= rewrite_cross_bb_scalar_deps (scop, &psi); if (changed) { scev_reset_htab (); update_ssa (TODO_update_ssa); #ifdef ENABLE_CHECKING verify_loop_closed_ssa (true); #endif } }
/* Rewrite out of SSA all the reduction phi nodes of SCOP. */
Rewrite out of SSA all the reduction phi nodes of SCOP.
[ "Rewrite", "out", "of", "SSA", "all", "the", "reduction", "phi", "nodes", "of", "SCOP", "." ]
static void rewrite_cross_bb_scalar_deps_out_of_ssa (scop_p scop) { basic_block bb; gimple_stmt_iterator psi; sese region = SCOP_REGION (scop); bool changed = false; split_edge (SESE_EXIT (region)); FOR_EACH_BB (bb) if (bb_in_sese_p (bb, region)) for (psi = gsi_start_bb (bb); !gsi_end_p (psi); gsi_next (&psi)) changed |= rewrite_cross_bb_scalar_deps (scop, &psi); if (changed) { scev_reset_htab (); update_ssa (TODO_update_ssa); #ifdef ENABLE_CHECKING verify_loop_closed_ssa (true); #endif } }
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Rewrite out of SSA all the reduction phi nodes of SCOP.
[ "Rewrite", "out", "of", "SSA", "all", "the", "reduction", "phi", "nodes", "of", "SCOP", "." ]
[ "/* Create an extra empty BB after the scop. */" ]
[ { "param": "scop", "type": "scop_p" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "scop", "type": "scop_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
nb_pbbs_in_loops
int
static int nb_pbbs_in_loops (scop_p scop) { int i; poly_bb_p pbb; int res = 0; FOR_EACH_VEC_ELT (poly_bb_p, SCOP_BBS (scop), i, pbb) if (loop_in_sese_p (gbb_loop (PBB_BLACK_BOX (pbb)), SCOP_REGION (scop))) res++; return res; }
/* Returns the number of pbbs that are in loops contained in SCOP. */
Returns the number of pbbs that are in loops contained in SCOP.
[ "Returns", "the", "number", "of", "pbbs", "that", "are", "in", "loops", "contained", "in", "SCOP", "." ]
static int nb_pbbs_in_loops (scop_p scop) { int i; poly_bb_p pbb; int res = 0; FOR_EACH_VEC_ELT (poly_bb_p, SCOP_BBS (scop), i, pbb) if (loop_in_sese_p (gbb_loop (PBB_BLACK_BOX (pbb)), SCOP_REGION (scop))) res++; return res; }
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Returns the number of pbbs that are in loops contained in SCOP.
[ "Returns", "the", "number", "of", "pbbs", "that", "are", "in", "loops", "contained", "in", "SCOP", "." ]
[]
[ { "param": "scop", "type": "scop_p" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "scop", "type": "scop_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
nb_data_writes_in_bb
int
static int nb_data_writes_in_bb (basic_block bb) { int res = 0; gimple_stmt_iterator gsi; for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi)) if (gimple_vdef (gsi_stmt (gsi))) res++; return res; }
/* Return the number of data references in BB that write in memory. */
Return the number of data references in BB that write in memory.
[ "Return", "the", "number", "of", "data", "references", "in", "BB", "that", "write", "in", "memory", "." ]
static int nb_data_writes_in_bb (basic_block bb) { int res = 0; gimple_stmt_iterator gsi; for (gsi = gsi_start_bb (bb); !gsi_end_p (gsi); gsi_next (&gsi)) if (gimple_vdef (gsi_stmt (gsi))) res++; return res; }
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Return the number of data references in BB that write in memory.
[ "Return", "the", "number", "of", "data", "references", "in", "BB", "that", "write", "in", "memory", "." ]
[]
[ { "param": "bb", "type": "basic_block" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "bb", "type": "basic_block", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
split_pbb
edge
static edge split_pbb (scop_p scop, poly_bb_p pbb, basic_block bb, gimple stmt) { edge e1 = split_block (bb, stmt); new_pbb_from_pbb (scop, pbb, e1->dest); return e1; }
/* Splits at STMT the basic block BB represented as PBB in the polyhedral form. */
Splits at STMT the basic block BB represented as PBB in the polyhedral form.
[ "Splits", "at", "STMT", "the", "basic", "block", "BB", "represented", "as", "PBB", "in", "the", "polyhedral", "form", "." ]
static edge split_pbb (scop_p scop, poly_bb_p pbb, basic_block bb, gimple stmt) { edge e1 = split_block (bb, stmt); new_pbb_from_pbb (scop, pbb, e1->dest); return e1; }
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Splits at STMT the basic block BB represented as PBB in the polyhedral form.
[ "Splits", "at", "STMT", "the", "basic", "block", "BB", "represented", "as", "PBB", "in", "the", "polyhedral", "form", "." ]
[]
[ { "param": "scop", "type": "scop_p" }, { "param": "pbb", "type": "poly_bb_p" }, { "param": "bb", "type": "basic_block" }, { "param": "stmt", "type": "gimple" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "scop", "type": "scop_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "pbb", "type": "poly_bb_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "bb", "type": "basic_block", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "stmt", "type": "gimple", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
split_reduction_stmt
basic_block
static basic_block split_reduction_stmt (scop_p scop, gimple stmt) { basic_block bb = gimple_bb (stmt); poly_bb_p pbb = pbb_from_bb (bb); gimple_bb_p gbb = gbb_from_bb (bb); edge e1; int i; data_reference_p dr; /* Do not split basic blocks with no writes to memory: the reduction will be the only write to memory. */ if (nb_data_writes_in_bb (bb) == 0 /* Or if we have already marked BB as a reduction. */ || PBB_IS_REDUCTION (pbb_from_bb (bb))) return bb; e1 = split_pbb (scop, pbb, bb, stmt); /* Split once more only when the reduction stmt is not the only one left in the original BB. */ if (!gsi_one_before_end_p (gsi_start_nondebug_bb (bb))) { gimple_stmt_iterator gsi = gsi_last_bb (bb); gsi_prev (&gsi); e1 = split_pbb (scop, pbb, bb, gsi_stmt (gsi)); } /* A part of the data references will end in a different basic block after the split: move the DRs from the original GBB to the newly created GBB1. */ FOR_EACH_VEC_ELT (data_reference_p, GBB_DATA_REFS (gbb), i, dr) { basic_block bb1 = gimple_bb (DR_STMT (dr)); if (bb1 != bb) { gimple_bb_p gbb1 = gbb_from_bb (bb1); VEC_safe_push (data_reference_p, heap, GBB_DATA_REFS (gbb1), dr); VEC_ordered_remove (data_reference_p, GBB_DATA_REFS (gbb), i); i--; } } return e1->dest; }
/* Splits STMT out of its current BB. This is done for reduction statements for which we want to ignore data dependences. */
Splits STMT out of its current BB. This is done for reduction statements for which we want to ignore data dependences.
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static basic_block split_reduction_stmt (scop_p scop, gimple stmt) { basic_block bb = gimple_bb (stmt); poly_bb_p pbb = pbb_from_bb (bb); gimple_bb_p gbb = gbb_from_bb (bb); edge e1; int i; data_reference_p dr; if (nb_data_writes_in_bb (bb) == 0 || PBB_IS_REDUCTION (pbb_from_bb (bb))) return bb; e1 = split_pbb (scop, pbb, bb, stmt); if (!gsi_one_before_end_p (gsi_start_nondebug_bb (bb))) { gimple_stmt_iterator gsi = gsi_last_bb (bb); gsi_prev (&gsi); e1 = split_pbb (scop, pbb, bb, gsi_stmt (gsi)); } FOR_EACH_VEC_ELT (data_reference_p, GBB_DATA_REFS (gbb), i, dr) { basic_block bb1 = gimple_bb (DR_STMT (dr)); if (bb1 != bb) { gimple_bb_p gbb1 = gbb_from_bb (bb1); VEC_safe_push (data_reference_p, heap, GBB_DATA_REFS (gbb1), dr); VEC_ordered_remove (data_reference_p, GBB_DATA_REFS (gbb), i); i--; } } return e1->dest; }
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Splits STMT out of its current BB.
[ "Splits", "STMT", "out", "of", "its", "current", "BB", "." ]
[ "/* Do not split basic blocks with no writes to memory: the reduction\n will be the only write to memory. */", "/* Or if we have already marked BB as a reduction. */", "/* Split once more only when the reduction stmt is not the only one\n left in the original BB. */", "/* A part of the data references will end in a different basic block\n after the split: move the DRs from the original GBB to the newly\n created GBB1. */" ]
[ { "param": "scop", "type": "scop_p" }, { "param": "stmt", "type": "gimple" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "scop", "type": "scop_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "stmt", "type": "gimple", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
is_reduction_operation_p
bool
static inline bool is_reduction_operation_p (gimple stmt) { enum tree_code code; gcc_assert (is_gimple_assign (stmt)); code = gimple_assign_rhs_code (stmt); return flag_associative_math && commutative_tree_code (code) && associative_tree_code (code); }
/* Return true when stmt is a reduction operation. */
Return true when stmt is a reduction operation.
[ "Return", "true", "when", "stmt", "is", "a", "reduction", "operation", "." ]
static inline bool is_reduction_operation_p (gimple stmt) { enum tree_code code; gcc_assert (is_gimple_assign (stmt)); code = gimple_assign_rhs_code (stmt); return flag_associative_math && commutative_tree_code (code) && associative_tree_code (code); }
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Return true when stmt is a reduction operation.
[ "Return", "true", "when", "stmt", "is", "a", "reduction", "operation", "." ]
[]
[ { "param": "stmt", "type": "gimple" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "stmt", "type": "gimple", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
phi_contains_arg
bool
static bool phi_contains_arg (gimple phi, tree arg) { size_t i; for (i = 0; i < gimple_phi_num_args (phi); i++) if (operand_equal_p (arg, gimple_phi_arg_def (phi, i), 0)) return true; return false; }
/* Returns true when PHI contains an argument ARG. */
Returns true when PHI contains an argument ARG.
[ "Returns", "true", "when", "PHI", "contains", "an", "argument", "ARG", "." ]
static bool phi_contains_arg (gimple phi, tree arg) { size_t i; for (i = 0; i < gimple_phi_num_args (phi); i++) if (operand_equal_p (arg, gimple_phi_arg_def (phi, i), 0)) return true; return false; }
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Returns true when PHI contains an argument ARG.
[ "Returns", "true", "when", "PHI", "contains", "an", "argument", "ARG", "." ]
[]
[ { "param": "phi", "type": "gimple" }, { "param": "arg", "type": "tree" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "phi", "type": "gimple", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "arg", "type": "tree", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
follow_ssa_with_commutative_ops
gimple
static gimple follow_ssa_with_commutative_ops (tree arg, tree lhs) { gimple stmt; if (TREE_CODE (arg) != SSA_NAME) return NULL; stmt = SSA_NAME_DEF_STMT (arg); if (gimple_code (stmt) == GIMPLE_NOP || gimple_code (stmt) == GIMPLE_CALL) return NULL; if (gimple_code (stmt) == GIMPLE_PHI) { if (phi_contains_arg (stmt, lhs)) return stmt; return NULL; } if (!is_gimple_assign (stmt)) return NULL; if (gimple_num_ops (stmt) == 2) return follow_ssa_with_commutative_ops (gimple_assign_rhs1 (stmt), lhs); if (is_reduction_operation_p (stmt)) { gimple res = follow_ssa_with_commutative_ops (gimple_assign_rhs1 (stmt), lhs); return res ? res : follow_ssa_with_commutative_ops (gimple_assign_rhs2 (stmt), lhs); } return NULL; }
/* Return a loop phi node that corresponds to a reduction containing LHS. */
Return a loop phi node that corresponds to a reduction containing LHS.
[ "Return", "a", "loop", "phi", "node", "that", "corresponds", "to", "a", "reduction", "containing", "LHS", "." ]
static gimple follow_ssa_with_commutative_ops (tree arg, tree lhs) { gimple stmt; if (TREE_CODE (arg) != SSA_NAME) return NULL; stmt = SSA_NAME_DEF_STMT (arg); if (gimple_code (stmt) == GIMPLE_NOP || gimple_code (stmt) == GIMPLE_CALL) return NULL; if (gimple_code (stmt) == GIMPLE_PHI) { if (phi_contains_arg (stmt, lhs)) return stmt; return NULL; } if (!is_gimple_assign (stmt)) return NULL; if (gimple_num_ops (stmt) == 2) return follow_ssa_with_commutative_ops (gimple_assign_rhs1 (stmt), lhs); if (is_reduction_operation_p (stmt)) { gimple res = follow_ssa_with_commutative_ops (gimple_assign_rhs1 (stmt), lhs); return res ? res : follow_ssa_with_commutative_ops (gimple_assign_rhs2 (stmt), lhs); } return NULL; }
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Return a loop phi node that corresponds to a reduction containing LHS.
[ "Return", "a", "loop", "phi", "node", "that", "corresponds", "to", "a", "reduction", "containing", "LHS", "." ]
[]
[ { "param": "arg", "type": "tree" }, { "param": "lhs", "type": "tree" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "arg", "type": "tree", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "lhs", "type": "tree", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
follow_inital_value_to_phi
gimple
static gimple follow_inital_value_to_phi (tree arg, tree lhs) { gimple stmt; if (!arg || TREE_CODE (arg) != SSA_NAME) return NULL; stmt = SSA_NAME_DEF_STMT (arg); if (gimple_code (stmt) == GIMPLE_PHI && phi_contains_arg (stmt, lhs)) return stmt; return NULL; }
/* Return a loop phi node that corresponds to a reduction containing LHS. */
Return a loop phi node that corresponds to a reduction containing LHS.
[ "Return", "a", "loop", "phi", "node", "that", "corresponds", "to", "a", "reduction", "containing", "LHS", "." ]
static gimple follow_inital_value_to_phi (tree arg, tree lhs) { gimple stmt; if (!arg || TREE_CODE (arg) != SSA_NAME) return NULL; stmt = SSA_NAME_DEF_STMT (arg); if (gimple_code (stmt) == GIMPLE_PHI && phi_contains_arg (stmt, lhs)) return stmt; return NULL; }
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Return a loop phi node that corresponds to a reduction containing LHS.
[ "Return", "a", "loop", "phi", "node", "that", "corresponds", "to", "a", "reduction", "containing", "LHS", "." ]
[]
[ { "param": "arg", "type": "tree" }, { "param": "lhs", "type": "tree" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "arg", "type": "tree", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "lhs", "type": "tree", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
edge_initial_value_for_loop_phi
edge
static edge edge_initial_value_for_loop_phi (gimple phi) { size_t i; for (i = 0; i < gimple_phi_num_args (phi); i++) { edge e = gimple_phi_arg_edge (phi, i); if (loop_depth (e->src->loop_father) < loop_depth (e->dest->loop_father)) return e; } return NULL; }
/* Return the argument of the loop PHI that is the inital value coming from outside the loop. */
Return the argument of the loop PHI that is the inital value coming from outside the loop.
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static edge edge_initial_value_for_loop_phi (gimple phi) { size_t i; for (i = 0; i < gimple_phi_num_args (phi); i++) { edge e = gimple_phi_arg_edge (phi, i); if (loop_depth (e->src->loop_father) < loop_depth (e->dest->loop_father)) return e; } return NULL; }
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Return the argument of the loop PHI that is the inital value coming from outside the loop.
[ "Return", "the", "argument", "of", "the", "loop", "PHI", "that", "is", "the", "inital", "value", "coming", "from", "outside", "the", "loop", "." ]
[]
[ { "param": "phi", "type": "gimple" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "phi", "type": "gimple", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
initial_value_for_loop_phi
tree
static tree initial_value_for_loop_phi (gimple phi) { size_t i; for (i = 0; i < gimple_phi_num_args (phi); i++) { edge e = gimple_phi_arg_edge (phi, i); if (loop_depth (e->src->loop_father) < loop_depth (e->dest->loop_father)) return gimple_phi_arg_def (phi, i); } return NULL_TREE; }
/* Return the argument of the loop PHI that is the inital value coming from outside the loop. */
Return the argument of the loop PHI that is the inital value coming from outside the loop.
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static tree initial_value_for_loop_phi (gimple phi) { size_t i; for (i = 0; i < gimple_phi_num_args (phi); i++) { edge e = gimple_phi_arg_edge (phi, i); if (loop_depth (e->src->loop_father) < loop_depth (e->dest->loop_father)) return gimple_phi_arg_def (phi, i); } return NULL_TREE; }
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Return the argument of the loop PHI that is the inital value coming from outside the loop.
[ "Return", "the", "argument", "of", "the", "loop", "PHI", "that", "is", "the", "inital", "value", "coming", "from", "outside", "the", "loop", "." ]
[]
[ { "param": "phi", "type": "gimple" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "phi", "type": "gimple", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
used_outside_reduction
bool
static bool used_outside_reduction (tree def, gimple loop_phi) { use_operand_p use_p; imm_use_iterator imm_iter; loop_p loop = loop_containing_stmt (loop_phi); /* In LOOP, DEF should be used only in LOOP_PHI. */ FOR_EACH_IMM_USE_FAST (use_p, imm_iter, def) { gimple stmt = USE_STMT (use_p); if (stmt != loop_phi && !is_gimple_debug (stmt) && flow_bb_inside_loop_p (loop, gimple_bb (stmt))) return true; } return false; }
/* Returns true when DEF is used outside the reduction cycle of LOOP_PHI. */
Returns true when DEF is used outside the reduction cycle of LOOP_PHI.
[ "Returns", "true", "when", "DEF", "is", "used", "outside", "the", "reduction", "cycle", "of", "LOOP_PHI", "." ]
static bool used_outside_reduction (tree def, gimple loop_phi) { use_operand_p use_p; imm_use_iterator imm_iter; loop_p loop = loop_containing_stmt (loop_phi); FOR_EACH_IMM_USE_FAST (use_p, imm_iter, def) { gimple stmt = USE_STMT (use_p); if (stmt != loop_phi && !is_gimple_debug (stmt) && flow_bb_inside_loop_p (loop, gimple_bb (stmt))) return true; } return false; }
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Returns true when DEF is used outside the reduction cycle of LOOP_PHI.
[ "Returns", "true", "when", "DEF", "is", "used", "outside", "the", "reduction", "cycle", "of", "LOOP_PHI", "." ]
[ "/* In LOOP, DEF should be used only in LOOP_PHI. */" ]
[ { "param": "def", "type": "tree" }, { "param": "loop_phi", "type": "gimple" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "def", "type": "tree", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "loop_phi", "type": "gimple", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
translate_scalar_reduction_to_array_for_stmt
void
static void translate_scalar_reduction_to_array_for_stmt (scop_p scop, tree red, gimple stmt, gimple loop_phi) { tree res = gimple_phi_result (loop_phi); gimple assign = gimple_build_assign (res, unshare_expr (red)); gimple_stmt_iterator gsi; insert_stmts (scop, assign, NULL, gsi_after_labels (gimple_bb (loop_phi))); assign = gimple_build_assign (unshare_expr (red), gimple_assign_lhs (stmt)); gsi = gsi_for_stmt (stmt); gsi_next (&gsi); insert_stmts (scop, assign, NULL, gsi); }
/* Translate the scalar reduction statement STMT to an array RED knowing that its recursive phi node is LOOP_PHI. */
Translate the scalar reduction statement STMT to an array RED knowing that its recursive phi node is LOOP_PHI.
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static void translate_scalar_reduction_to_array_for_stmt (scop_p scop, tree red, gimple stmt, gimple loop_phi) { tree res = gimple_phi_result (loop_phi); gimple assign = gimple_build_assign (res, unshare_expr (red)); gimple_stmt_iterator gsi; insert_stmts (scop, assign, NULL, gsi_after_labels (gimple_bb (loop_phi))); assign = gimple_build_assign (unshare_expr (red), gimple_assign_lhs (stmt)); gsi = gsi_for_stmt (stmt); gsi_next (&gsi); insert_stmts (scop, assign, NULL, gsi); }
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Translate the scalar reduction statement STMT to an array RED knowing that its recursive phi node is LOOP_PHI.
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[]
[ { "param": "scop", "type": "scop_p" }, { "param": "red", "type": "tree" }, { "param": "stmt", "type": "gimple" }, { "param": "loop_phi", "type": "gimple" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "scop", "type": "scop_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "red", "type": "tree", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "stmt", "type": "gimple", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "loop_phi", "type": "gimple", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
remove_phi
void
static void remove_phi (gimple phi) { imm_use_iterator imm_iter; tree def; use_operand_p use_p; gimple_stmt_iterator gsi; VEC (gimple, heap) *update = VEC_alloc (gimple, heap, 3); unsigned int i; gimple stmt; def = PHI_RESULT (phi); FOR_EACH_IMM_USE_FAST (use_p, imm_iter, def) { stmt = USE_STMT (use_p); if (is_gimple_debug (stmt)) { gimple_debug_bind_reset_value (stmt); VEC_safe_push (gimple, heap, update, stmt); } } FOR_EACH_VEC_ELT (gimple, update, i, stmt) update_stmt (stmt); VEC_free (gimple, heap, update); gsi = gsi_for_phi_node (phi); remove_phi_node (&gsi, false); }
/* Removes the PHI node and resets all the debug stmts that are using the PHI_RESULT. */
Removes the PHI node and resets all the debug stmts that are using the PHI_RESULT.
[ "Removes", "the", "PHI", "node", "and", "resets", "all", "the", "debug", "stmts", "that", "are", "using", "the", "PHI_RESULT", "." ]
static void remove_phi (gimple phi) { imm_use_iterator imm_iter; tree def; use_operand_p use_p; gimple_stmt_iterator gsi; VEC (gimple, heap) *update = VEC_alloc (gimple, heap, 3); unsigned int i; gimple stmt; def = PHI_RESULT (phi); FOR_EACH_IMM_USE_FAST (use_p, imm_iter, def) { stmt = USE_STMT (use_p); if (is_gimple_debug (stmt)) { gimple_debug_bind_reset_value (stmt); VEC_safe_push (gimple, heap, update, stmt); } } FOR_EACH_VEC_ELT (gimple, update, i, stmt) update_stmt (stmt); VEC_free (gimple, heap, update); gsi = gsi_for_phi_node (phi); remove_phi_node (&gsi, false); }
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Removes the PHI node and resets all the debug stmts that are using the PHI_RESULT.
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[]
[ { "param": "phi", "type": "gimple" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "phi", "type": "gimple", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
close_phi_written_to_memory
tree
static tree close_phi_written_to_memory (gimple close_phi) { imm_use_iterator imm_iter; use_operand_p use_p; gimple stmt; tree res, def = gimple_phi_result (close_phi); FOR_EACH_IMM_USE_FAST (use_p, imm_iter, def) if ((stmt = USE_STMT (use_p)) && gimple_code (stmt) == GIMPLE_ASSIGN && (res = gimple_assign_lhs (stmt))) { switch (TREE_CODE (res)) { case VAR_DECL: case PARM_DECL: case RESULT_DECL: return res; case ARRAY_REF: case MEM_REF: { tree arg = gimple_phi_arg_def (close_phi, 0); loop_p nest = loop_containing_stmt (SSA_NAME_DEF_STMT (arg)); /* FIXME: this restriction is for id-{24,25}.f and could be handled by duplicating the computation of array indices before the loop of the close_phi. */ if (for_each_index (&res, dr_indices_valid_in_loop, &nest)) return res; } /* Fallthru. */ default: continue; } } return NULL_TREE; }
/* When the result of a CLOSE_PHI is written to a memory location, return a pointer to that memory reference, otherwise return NULL_TREE. */
When the result of a CLOSE_PHI is written to a memory location, return a pointer to that memory reference, otherwise return NULL_TREE.
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static tree close_phi_written_to_memory (gimple close_phi) { imm_use_iterator imm_iter; use_operand_p use_p; gimple stmt; tree res, def = gimple_phi_result (close_phi); FOR_EACH_IMM_USE_FAST (use_p, imm_iter, def) if ((stmt = USE_STMT (use_p)) && gimple_code (stmt) == GIMPLE_ASSIGN && (res = gimple_assign_lhs (stmt))) { switch (TREE_CODE (res)) { case VAR_DECL: case PARM_DECL: case RESULT_DECL: return res; case ARRAY_REF: case MEM_REF: { tree arg = gimple_phi_arg_def (close_phi, 0); loop_p nest = loop_containing_stmt (SSA_NAME_DEF_STMT (arg)); if (for_each_index (&res, dr_indices_valid_in_loop, &nest)) return res; } default: continue; } } return NULL_TREE; }
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When the result of a CLOSE_PHI is written to a memory location, return a pointer to that memory reference, otherwise return NULL_TREE.
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[ "/* FIXME: this restriction is for id-{24,25}.f and\n\t\t could be handled by duplicating the computation of\n\t\t array indices before the loop of the close_phi. */", "/* Fallthru. */" ]
[ { "param": "close_phi", "type": "gimple" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "close_phi", "type": "gimple", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
rewrite_commutative_reductions_out_of_ssa_close_phi
bool
static bool rewrite_commutative_reductions_out_of_ssa_close_phi (scop_p scop, gimple close_phi) { bool res; VEC (gimple, heap) *in = VEC_alloc (gimple, heap, 10); VEC (gimple, heap) *out = VEC_alloc (gimple, heap, 10); detect_commutative_reduction (scop, close_phi, &in, &out); res = VEC_length (gimple, in) > 1; if (res) translate_scalar_reduction_to_array (scop, in, out); VEC_free (gimple, heap, in); VEC_free (gimple, heap, out); return res; }
/* Rewrites out of SSA a commutative reduction at CLOSE_PHI. Returns true when something has been changed. */
Rewrites out of SSA a commutative reduction at CLOSE_PHI. Returns true when something has been changed.
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static bool rewrite_commutative_reductions_out_of_ssa_close_phi (scop_p scop, gimple close_phi) { bool res; VEC (gimple, heap) *in = VEC_alloc (gimple, heap, 10); VEC (gimple, heap) *out = VEC_alloc (gimple, heap, 10); detect_commutative_reduction (scop, close_phi, &in, &out); res = VEC_length (gimple, in) > 1; if (res) translate_scalar_reduction_to_array (scop, in, out); VEC_free (gimple, heap, in); VEC_free (gimple, heap, out); return res; }
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Rewrites out of SSA a commutative reduction at CLOSE_PHI.
[ "Rewrites", "out", "of", "SSA", "a", "commutative", "reduction", "at", "CLOSE_PHI", "." ]
[]
[ { "param": "scop", "type": "scop_p" }, { "param": "close_phi", "type": "gimple" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "scop", "type": "scop_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "close_phi", "type": "gimple", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
rewrite_commutative_reductions_out_of_ssa_loop
bool
static bool rewrite_commutative_reductions_out_of_ssa_loop (scop_p scop, loop_p loop) { gimple_stmt_iterator gsi; edge exit = single_exit (loop); tree res; bool changed = false; if (!exit) return false; for (gsi = gsi_start_phis (exit->dest); !gsi_end_p (gsi); gsi_next (&gsi)) if ((res = gimple_phi_result (gsi_stmt (gsi))) && is_gimple_reg (res) && !scev_analyzable_p (res, SCOP_REGION (scop))) changed |= rewrite_commutative_reductions_out_of_ssa_close_phi (scop, gsi_stmt (gsi)); return changed; }
/* Rewrites all the commutative reductions from LOOP out of SSA. Returns true when something has been changed. */
Rewrites all the commutative reductions from LOOP out of SSA. Returns true when something has been changed.
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static bool rewrite_commutative_reductions_out_of_ssa_loop (scop_p scop, loop_p loop) { gimple_stmt_iterator gsi; edge exit = single_exit (loop); tree res; bool changed = false; if (!exit) return false; for (gsi = gsi_start_phis (exit->dest); !gsi_end_p (gsi); gsi_next (&gsi)) if ((res = gimple_phi_result (gsi_stmt (gsi))) && is_gimple_reg (res) && !scev_analyzable_p (res, SCOP_REGION (scop))) changed |= rewrite_commutative_reductions_out_of_ssa_close_phi (scop, gsi_stmt (gsi)); return changed; }
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Rewrites all the commutative reductions from LOOP out of SSA.
[ "Rewrites", "all", "the", "commutative", "reductions", "from", "LOOP", "out", "of", "SSA", "." ]
[]
[ { "param": "scop", "type": "scop_p" }, { "param": "loop", "type": "loop_p" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "scop", "type": "scop_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "loop", "type": "loop_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
rewrite_commutative_reductions_out_of_ssa
void
static void rewrite_commutative_reductions_out_of_ssa (scop_p scop) { loop_iterator li; loop_p loop; bool changed = false; sese region = SCOP_REGION (scop); FOR_EACH_LOOP (li, loop, 0) if (loop_in_sese_p (loop, region)) changed |= rewrite_commutative_reductions_out_of_ssa_loop (scop, loop); if (changed) { scev_reset_htab (); gsi_commit_edge_inserts (); update_ssa (TODO_update_ssa); #ifdef ENABLE_CHECKING verify_loop_closed_ssa (true); #endif } }
/* Rewrites all the commutative reductions from SCOP out of SSA. */
Rewrites all the commutative reductions from SCOP out of SSA.
[ "Rewrites", "all", "the", "commutative", "reductions", "from", "SCOP", "out", "of", "SSA", "." ]
static void rewrite_commutative_reductions_out_of_ssa (scop_p scop) { loop_iterator li; loop_p loop; bool changed = false; sese region = SCOP_REGION (scop); FOR_EACH_LOOP (li, loop, 0) if (loop_in_sese_p (loop, region)) changed |= rewrite_commutative_reductions_out_of_ssa_loop (scop, loop); if (changed) { scev_reset_htab (); gsi_commit_edge_inserts (); update_ssa (TODO_update_ssa); #ifdef ENABLE_CHECKING verify_loop_closed_ssa (true); #endif } }
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Rewrites all the commutative reductions from SCOP out of SSA.
[ "Rewrites", "all", "the", "commutative", "reductions", "from", "SCOP", "out", "of", "SSA", "." ]
[]
[ { "param": "scop", "type": "scop_p" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "scop", "type": "scop_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
scop_ivs_can_be_represented
bool
static bool scop_ivs_can_be_represented (scop_p scop) { loop_iterator li; loop_p loop; gimple_stmt_iterator psi; bool result = true; FOR_EACH_LOOP (li, loop, 0) { if (!loop_in_sese_p (loop, SCOP_REGION (scop))) continue; for (psi = gsi_start_phis (loop->header); !gsi_end_p (psi); gsi_next (&psi)) { gimple phi = gsi_stmt (psi); tree res = PHI_RESULT (phi); tree type = TREE_TYPE (res); if (TYPE_UNSIGNED (type) && TYPE_PRECISION (type) >= TYPE_PRECISION (long_long_integer_type_node)) { result = false; break; } } if (!result) FOR_EACH_LOOP_BREAK (li); } return result; }
/* Can all ivs be represented by a signed integer? As CLooG might generate negative values in its expressions, signed loop ivs are required in the backend. */
Can all ivs be represented by a signed integer. As CLooG might generate negative values in its expressions, signed loop ivs are required in the backend.
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static bool scop_ivs_can_be_represented (scop_p scop) { loop_iterator li; loop_p loop; gimple_stmt_iterator psi; bool result = true; FOR_EACH_LOOP (li, loop, 0) { if (!loop_in_sese_p (loop, SCOP_REGION (scop))) continue; for (psi = gsi_start_phis (loop->header); !gsi_end_p (psi); gsi_next (&psi)) { gimple phi = gsi_stmt (psi); tree res = PHI_RESULT (phi); tree type = TREE_TYPE (res); if (TYPE_UNSIGNED (type) && TYPE_PRECISION (type) >= TYPE_PRECISION (long_long_integer_type_node)) { result = false; break; } } if (!result) FOR_EACH_LOOP_BREAK (li); } return result; }
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Can all ivs be represented by a signed integer?
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[]
[ { "param": "scop", "type": "scop_p" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "scop", "type": "scop_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
9167a7280898982fa03adc18ab1789fc13993c8a
atrens/DragonFlyBSD-src
contrib/gcc-4.7/gcc/graphite-sese-to-poly.c
[ "BSD-3-Clause" ]
C
build_poly_scop
void
void build_poly_scop (scop_p scop) { sese region = SCOP_REGION (scop); graphite_dim_t max_dim; build_scop_bbs (scop); /* FIXME: This restriction is needed to avoid a problem in CLooG. Once CLooG is fixed, remove this guard. Anyways, it makes no sense to optimize a scop containing only PBBs that do not belong to any loops. */ if (nb_pbbs_in_loops (scop) == 0) return; if (!scop_ivs_can_be_represented (scop)) return; if (flag_associative_math) rewrite_commutative_reductions_out_of_ssa (scop); build_sese_loop_nests (region); build_sese_conditions (region); find_scop_parameters (scop); max_dim = PARAM_VALUE (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS); if (scop_nb_params (scop) > max_dim) return; build_scop_iteration_domain (scop); build_scop_context (scop); add_conditions_to_constraints (scop); /* Rewrite out of SSA only after having translated the representation to the polyhedral representation to avoid scev analysis failures. That means that these functions will insert new data references that they create in the right place. */ rewrite_reductions_out_of_ssa (scop); rewrite_cross_bb_scalar_deps_out_of_ssa (scop); build_scop_drs (scop); scop_to_lst (scop); build_scop_scattering (scop); /* This SCoP has been translated to the polyhedral representation. */ POLY_SCOP_P (scop) = true; }
/* Builds the polyhedral representation for a SESE region. */
Builds the polyhedral representation for a SESE region.
[ "Builds", "the", "polyhedral", "representation", "for", "a", "SESE", "region", "." ]
void build_poly_scop (scop_p scop) { sese region = SCOP_REGION (scop); graphite_dim_t max_dim; build_scop_bbs (scop); if (nb_pbbs_in_loops (scop) == 0) return; if (!scop_ivs_can_be_represented (scop)) return; if (flag_associative_math) rewrite_commutative_reductions_out_of_ssa (scop); build_sese_loop_nests (region); build_sese_conditions (region); find_scop_parameters (scop); max_dim = PARAM_VALUE (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS); if (scop_nb_params (scop) > max_dim) return; build_scop_iteration_domain (scop); build_scop_context (scop); add_conditions_to_constraints (scop); rewrite_reductions_out_of_ssa (scop); rewrite_cross_bb_scalar_deps_out_of_ssa (scop); build_scop_drs (scop); scop_to_lst (scop); build_scop_scattering (scop); POLY_SCOP_P (scop) = true; }
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Builds the polyhedral representation for a SESE region.
[ "Builds", "the", "polyhedral", "representation", "for", "a", "SESE", "region", "." ]
[ "/* FIXME: This restriction is needed to avoid a problem in CLooG.\n Once CLooG is fixed, remove this guard. Anyways, it makes no\n sense to optimize a scop containing only PBBs that do not belong\n to any loops. */", "/* Rewrite out of SSA only after having translated the\n representation to the polyhedral representation to avoid scev\n analysis failures. That means that these functions will insert\n new data references that they create in the right place. */", "/* This SCoP has been translated to the polyhedral\n representation. */" ]
[ { "param": "scop", "type": "scop_p" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "scop", "type": "scop_p", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
e0211c884070b0ea294ef29589190400ca608f38
atrens/DragonFlyBSD-src
lib/libkvm/kvm_proc.c
[ "BSD-3-Clause" ]
C
kvm_lwptraverse
uintptr_t
static uintptr_t kvm_lwptraverse(kvm_t *kd, struct lwp *lwp, uintptr_t lwppos) { for (;;) { if (KREAD(kd, lwppos, lwp)) { _kvm_err(kd, kd->program, "can't read lwp at %p", (void *)lwppos); return ((uintptr_t)-1); } if (lwp->u.lwp_rbnode.rbe_left == NULL) break; lwppos = (uintptr_t)lwp->u.lwp_rbnode.rbe_left; } return(lwppos); }
/* * Helper routine which traverses the left hand side of a red-black sub-tree. */
Helper routine which traverses the left hand side of a red-black sub-tree.
[ "Helper", "routine", "which", "traverses", "the", "left", "hand", "side", "of", "a", "red", "-", "black", "sub", "-", "tree", "." ]
static uintptr_t kvm_lwptraverse(kvm_t *kd, struct lwp *lwp, uintptr_t lwppos) { for (;;) { if (KREAD(kd, lwppos, lwp)) { _kvm_err(kd, kd->program, "can't read lwp at %p", (void *)lwppos); return ((uintptr_t)-1); } if (lwp->u.lwp_rbnode.rbe_left == NULL) break; lwppos = (uintptr_t)lwp->u.lwp_rbnode.rbe_left; } return(lwppos); }
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Helper routine which traverses the left hand side of a red-black sub-tree.
[ "Helper", "routine", "which", "traverses", "the", "left", "hand", "side", "of", "a", "red", "-", "black", "sub", "-", "tree", "." ]
[]
[ { "param": "kd", "type": "kvm_t" }, { "param": "lwp", "type": "struct lwp" }, { "param": "lwppos", "type": "uintptr_t" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "kd", "type": "kvm_t", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "lwp", "type": "struct lwp", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "lwppos", "type": "uintptr_t", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
e0211c884070b0ea294ef29589190400ca608f38
atrens/DragonFlyBSD-src
lib/libkvm/kvm_proc.c
[ "BSD-3-Clause" ]
C
kvm_firstlwp
uintptr_t
static uintptr_t kvm_firstlwp(kvm_t *kd, struct lwp *lwp, struct proc *proc) { return(kvm_lwptraverse(kd, lwp, (uintptr_t)proc->p_lwp_tree.rbh_root)); }
/* * Iterate LWPs in a process. * * The first lwp in a red-black tree is a left-side traversal of the tree. */
Iterate LWPs in a process. The first lwp in a red-black tree is a left-side traversal of the tree.
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static uintptr_t kvm_firstlwp(kvm_t *kd, struct lwp *lwp, struct proc *proc) { return(kvm_lwptraverse(kd, lwp, (uintptr_t)proc->p_lwp_tree.rbh_root)); }
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Iterate LWPs in a process.
[ "Iterate", "LWPs", "in", "a", "process", "." ]
[]
[ { "param": "kd", "type": "kvm_t" }, { "param": "lwp", "type": "struct lwp" }, { "param": "proc", "type": "struct proc" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "kd", "type": "kvm_t", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "lwp", "type": "struct lwp", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "proc", "type": "struct proc", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
e0211c884070b0ea294ef29589190400ca608f38
atrens/DragonFlyBSD-src
lib/libkvm/kvm_proc.c
[ "BSD-3-Clause" ]
C
kvm_nextlwp
uintptr_t
static uintptr_t kvm_nextlwp(kvm_t *kd, uintptr_t lwppos, struct lwp *lwp) { uintptr_t nextpos; nextpos = (uintptr_t)lwp->u.lwp_rbnode.rbe_parent; if (nextpos) { if (KREAD(kd, nextpos, lwp)) { _kvm_err(kd, kd->program, "can't read lwp at %p", (void *)lwppos); return ((uintptr_t)-1); } if (lwppos == (uintptr_t)lwp->u.lwp_rbnode.rbe_left) { /* * If we had gone down the left side the next element * is a left hand traversal of the parent's right * side, or the parent itself if there is no right * side. */ lwppos = (uintptr_t)lwp->u.lwp_rbnode.rbe_right; if (lwppos) nextpos = kvm_lwptraverse(kd, lwp, lwppos); } else { /* * If we had gone down the right side the next * element is the parent. */ /* nextpos = nextpos */ } } return(nextpos); }
/* * If the current element is the left side of the parent the next element * will be a left side traversal of the parent's right side. If the parent * has no right side the next element will be the parent. * * If the current element is the right side of the parent the next element * is the parent. * * If the parent is NULL we are done. */
If the current element is the left side of the parent the next element will be a left side traversal of the parent's right side. If the parent has no right side the next element will be the parent. If the current element is the right side of the parent the next element is the parent. If the parent is NULL we are done.
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static uintptr_t kvm_nextlwp(kvm_t *kd, uintptr_t lwppos, struct lwp *lwp) { uintptr_t nextpos; nextpos = (uintptr_t)lwp->u.lwp_rbnode.rbe_parent; if (nextpos) { if (KREAD(kd, nextpos, lwp)) { _kvm_err(kd, kd->program, "can't read lwp at %p", (void *)lwppos); return ((uintptr_t)-1); } if (lwppos == (uintptr_t)lwp->u.lwp_rbnode.rbe_left) { lwppos = (uintptr_t)lwp->u.lwp_rbnode.rbe_right; if (lwppos) nextpos = kvm_lwptraverse(kd, lwp, lwppos); } else { } } return(nextpos); }
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If the current element is the left side of the parent the next element will be a left side traversal of the parent's right side.
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[ "/*\n\t\t\t * If we had gone down the left side the next element\n\t\t\t * is a left hand traversal of the parent's right\n\t\t\t * side, or the parent itself if there is no right\n\t\t\t * side.\n\t\t\t */", "/*\n\t\t\t * If we had gone down the right side the next\n\t\t\t * element is the parent.\n\t\t\t */", "/* nextpos = nextpos */" ]
[ { "param": "kd", "type": "kvm_t" }, { "param": "lwppos", "type": "uintptr_t" }, { "param": "lwp", "type": "struct lwp" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "kd", "type": "kvm_t", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "lwppos", "type": "uintptr_t", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "lwp", "type": "struct lwp", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
e0211c884070b0ea294ef29589190400ca608f38
atrens/DragonFlyBSD-src
lib/libkvm/kvm_proc.c
[ "BSD-3-Clause" ]
C
proc_verify
int
static int proc_verify(const struct kinfo_proc *p) { struct kinfo_proc kp; int mib[4]; size_t len; int error; mib[0] = CTL_KERN; mib[1] = KERN_PROC; mib[2] = KERN_PROC_PID; mib[3] = p->kp_pid; len = sizeof(kp); error = sysctl(mib, 4, &kp, &len, NULL, 0); if (error) return (0); error = (p->kp_pid == kp.kp_pid && (kp.kp_stat != SZOMB || p->kp_stat == SZOMB)); return (error); }
/* * Determine if the proc indicated by p is still active. * This test is not 100% foolproof in theory, but chances of * being wrong are very low. */
Determine if the proc indicated by p is still active. This test is not 100% foolproof in theory, but chances of being wrong are very low.
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static int proc_verify(const struct kinfo_proc *p) { struct kinfo_proc kp; int mib[4]; size_t len; int error; mib[0] = CTL_KERN; mib[1] = KERN_PROC; mib[2] = KERN_PROC_PID; mib[3] = p->kp_pid; len = sizeof(kp); error = sysctl(mib, 4, &kp, &len, NULL, 0); if (error) return (0); error = (p->kp_pid == kp.kp_pid && (kp.kp_stat != SZOMB || p->kp_stat == SZOMB)); return (error); }
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Determine if the proc indicated by p is still active.
[ "Determine", "if", "the", "proc", "indicated", "by", "p", "is", "still", "active", "." ]
[]
[ { "param": "p", "type": "struct kinfo_proc" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "p", "type": "struct kinfo_proc", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
e0211c884070b0ea294ef29589190400ca608f38
atrens/DragonFlyBSD-src
lib/libkvm/kvm_proc.c
[ "BSD-3-Clause" ]
C
kvm_uread
ssize_t
ssize_t kvm_uread(kvm_t *kd, pid_t pid, u_long uva, char *buf, size_t len) { char *cp; char procfile[MAXPATHLEN]; ssize_t amount; int fd; if (!kvm_ishost(kd)) { /* XXX: vkernels */ _kvm_err(kd, kd->program, "cannot read user space from dead kernel"); return (0); } sprintf(procfile, "/proc/%d/mem", pid); fd = open(procfile, O_RDONLY, 0); if (fd < 0) { _kvm_err(kd, kd->program, "cannot open %s", procfile); close(fd); return (0); } cp = buf; while (len > 0) { errno = 0; if (lseek(fd, (off_t)uva, 0) == -1 && errno != 0) { _kvm_err(kd, kd->program, "invalid address (%lx) in %s", uva, procfile); break; } amount = read(fd, cp, len); if (amount < 0) { _kvm_syserr(kd, kd->program, "error reading %s", procfile); break; } if (amount == 0) { _kvm_err(kd, kd->program, "EOF reading %s", procfile); break; } cp += amount; uva += amount; len -= amount; } close(fd); return ((ssize_t)(cp - buf)); }
/* * Read from user space. The user context is given by pid. */
Read from user space. The user context is given by pid.
[ "Read", "from", "user", "space", ".", "The", "user", "context", "is", "given", "by", "pid", "." ]
ssize_t kvm_uread(kvm_t *kd, pid_t pid, u_long uva, char *buf, size_t len) { char *cp; char procfile[MAXPATHLEN]; ssize_t amount; int fd; if (!kvm_ishost(kd)) { _kvm_err(kd, kd->program, "cannot read user space from dead kernel"); return (0); } sprintf(procfile, "/proc/%d/mem", pid); fd = open(procfile, O_RDONLY, 0); if (fd < 0) { _kvm_err(kd, kd->program, "cannot open %s", procfile); close(fd); return (0); } cp = buf; while (len > 0) { errno = 0; if (lseek(fd, (off_t)uva, 0) == -1 && errno != 0) { _kvm_err(kd, kd->program, "invalid address (%lx) in %s", uva, procfile); break; } amount = read(fd, cp, len); if (amount < 0) { _kvm_syserr(kd, kd->program, "error reading %s", procfile); break; } if (amount == 0) { _kvm_err(kd, kd->program, "EOF reading %s", procfile); break; } cp += amount; uva += amount; len -= amount; } close(fd); return ((ssize_t)(cp - buf)); }
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Read from user space.
[ "Read", "from", "user", "space", "." ]
[ "/* XXX: vkernels */" ]
[ { "param": "kd", "type": "kvm_t" }, { "param": "pid", "type": "pid_t" }, { "param": "uva", "type": "u_long" }, { "param": "buf", "type": "char" }, { "param": "len", "type": "size_t" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "kd", "type": "kvm_t", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "pid", "type": "pid_t", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "uva", "type": "u_long", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "buf", "type": "char", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "len", "type": "size_t", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
33d046005916574f3674b52760ca044f1296a464
atrens/DragonFlyBSD-src
sys/crypto/blowfish/bf_enc.c
[ "BSD-3-Clause" ]
C
BF_encrypt
void
void BF_encrypt(BF_LONG *data, BF_KEY *key) { BF_LONG l, r, *p, *s; p = key->P; s= &key->S[0]; l = data[0]; r = data[1]; l^=p[0]; BF_ENC(r, l, s, p[ 1]); BF_ENC(l, r, s, p[ 2]); BF_ENC(r, l, s, p[ 3]); BF_ENC(l, r, s, p[ 4]); BF_ENC(r, l, s, p[ 5]); BF_ENC(l, r, s, p[ 6]); BF_ENC(r, l, s, p[ 7]); BF_ENC(l, r, s, p[ 8]); BF_ENC(r, l, s, p[ 9]); BF_ENC(l, r, s, p[10]); BF_ENC(r, l, s, p[11]); BF_ENC(l, r, s, p[12]); BF_ENC(r, l, s, p[13]); BF_ENC(l, r, s, p[14]); BF_ENC(r, l, s, p[15]); BF_ENC(l, r, s, p[16]); #if BF_ROUNDS == 20 BF_ENC(r, l, s, p[17]); BF_ENC(l, r, s, p[18]); BF_ENC(r, l, s, p[19]); BF_ENC(l, r, s, p[20]); #endif r ^= p[BF_ROUNDS + 1]; data[1] = l & 0xffffffff; data[0] = r & 0xffffffff; }
/* XXX "data" is host endian */
XXX "data" is host endian
[ "XXX", "\"", "data", "\"", "is", "host", "endian" ]
void BF_encrypt(BF_LONG *data, BF_KEY *key) { BF_LONG l, r, *p, *s; p = key->P; s= &key->S[0]; l = data[0]; r = data[1]; l^=p[0]; BF_ENC(r, l, s, p[ 1]); BF_ENC(l, r, s, p[ 2]); BF_ENC(r, l, s, p[ 3]); BF_ENC(l, r, s, p[ 4]); BF_ENC(r, l, s, p[ 5]); BF_ENC(l, r, s, p[ 6]); BF_ENC(r, l, s, p[ 7]); BF_ENC(l, r, s, p[ 8]); BF_ENC(r, l, s, p[ 9]); BF_ENC(l, r, s, p[10]); BF_ENC(r, l, s, p[11]); BF_ENC(l, r, s, p[12]); BF_ENC(r, l, s, p[13]); BF_ENC(l, r, s, p[14]); BF_ENC(r, l, s, p[15]); BF_ENC(l, r, s, p[16]); #if BF_ROUNDS == 20 BF_ENC(r, l, s, p[17]); BF_ENC(l, r, s, p[18]); BF_ENC(r, l, s, p[19]); BF_ENC(l, r, s, p[20]); #endif r ^= p[BF_ROUNDS + 1]; data[1] = l & 0xffffffff; data[0] = r & 0xffffffff; }
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XXX "data" is host endian
[ "XXX", "\"", "data", "\"", "is", "host", "endian" ]
[]
[ { "param": "data", "type": "BF_LONG" }, { "param": "key", "type": "BF_KEY" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "data", "type": "BF_LONG", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "key", "type": "BF_KEY", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
33d046005916574f3674b52760ca044f1296a464
atrens/DragonFlyBSD-src
sys/crypto/blowfish/bf_enc.c
[ "BSD-3-Clause" ]
C
BF_decrypt
void
void BF_decrypt(BF_LONG *data, BF_KEY *key) { BF_LONG l, r, *p, *s; p = key->P; s= &key->S[0]; l = data[0]; r = data[1]; l ^= p[BF_ROUNDS + 1]; #if BF_ROUNDS == 20 BF_ENC(r, l, s, p[20]); BF_ENC(l, r, s, p[19]); BF_ENC(r, l, s, p[18]); BF_ENC(l, r, s, p[17]); #endif BF_ENC(r, l, s, p[16]); BF_ENC(l, r, s, p[15]); BF_ENC(r, l, s, p[14]); BF_ENC(l, r, s, p[13]); BF_ENC(r, l, s, p[12]); BF_ENC(l, r, s, p[11]); BF_ENC(r, l, s, p[10]); BF_ENC(l, r, s, p[ 9]); BF_ENC(r, l, s, p[ 8]); BF_ENC(l, r, s, p[ 7]); BF_ENC(r, l, s, p[ 6]); BF_ENC(l, r, s, p[ 5]); BF_ENC(r, l, s, p[ 4]); BF_ENC(l, r, s, p[ 3]); BF_ENC(r, l, s, p[ 2]); BF_ENC(l, r, s, p[ 1]); r ^= p[0]; data[1] = l & 0xffffffff; data[0] = r & 0xffffffff; }
/* XXX "data" is host endian */
XXX "data" is host endian
[ "XXX", "\"", "data", "\"", "is", "host", "endian" ]
void BF_decrypt(BF_LONG *data, BF_KEY *key) { BF_LONG l, r, *p, *s; p = key->P; s= &key->S[0]; l = data[0]; r = data[1]; l ^= p[BF_ROUNDS + 1]; #if BF_ROUNDS == 20 BF_ENC(r, l, s, p[20]); BF_ENC(l, r, s, p[19]); BF_ENC(r, l, s, p[18]); BF_ENC(l, r, s, p[17]); #endif BF_ENC(r, l, s, p[16]); BF_ENC(l, r, s, p[15]); BF_ENC(r, l, s, p[14]); BF_ENC(l, r, s, p[13]); BF_ENC(r, l, s, p[12]); BF_ENC(l, r, s, p[11]); BF_ENC(r, l, s, p[10]); BF_ENC(l, r, s, p[ 9]); BF_ENC(r, l, s, p[ 8]); BF_ENC(l, r, s, p[ 7]); BF_ENC(r, l, s, p[ 6]); BF_ENC(l, r, s, p[ 5]); BF_ENC(r, l, s, p[ 4]); BF_ENC(l, r, s, p[ 3]); BF_ENC(r, l, s, p[ 2]); BF_ENC(l, r, s, p[ 1]); r ^= p[0]; data[1] = l & 0xffffffff; data[0] = r & 0xffffffff; }
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XXX "data" is host endian
[ "XXX", "\"", "data", "\"", "is", "host", "endian" ]
[]
[ { "param": "data", "type": "BF_LONG" }, { "param": "key", "type": "BF_KEY" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "data", "type": "BF_LONG", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "key", "type": "BF_KEY", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
a799ab7a74ccca70dad2cdeb12fb31ab1e84e9fe
atrens/DragonFlyBSD-src
lib/libstand/environment.c
[ "BSD-3-Clause" ]
C
env_setenv
int
int env_setenv(const char *name, int flags, const void *value, ev_sethook_t sethook, ev_unsethook_t unsethook) { struct env_var *ev, *curr, *last; if ((ev = env_getenv(name)) != NULL) { /* * If there's a set hook, let it do the work (unless we are working * for one already. */ if ((ev->ev_sethook != NULL) && !(flags & EV_NOHOOK)) return(ev->ev_sethook(ev, flags, value)); } else { /* * New variable; create and sort into list */ ev = malloc(sizeof(struct env_var)); ev->ev_name = strdup(name); ev->ev_value = NULL; /* hooks can only be set when the variable is instantiated */ ev->ev_sethook = sethook; ev->ev_unsethook = unsethook; /* Sort into list */ ev->ev_prev = NULL; ev->ev_next = NULL; /* Search for the record to insert before */ for (last = NULL, curr = environ; curr != NULL; last = curr, curr = curr->ev_next) { if (strcmp(ev->ev_name, curr->ev_name) < 0) { if (curr->ev_prev) { curr->ev_prev->ev_next = ev; } else { environ = ev; } ev->ev_next = curr; ev->ev_prev = curr->ev_prev; curr->ev_prev = ev; break; } } if (curr == NULL) { if (last == NULL) { environ = ev; } else { last->ev_next = ev; ev->ev_prev = last; } } } /* If there is data in the variable, discard it */ if (ev->ev_value != NULL) free(ev->ev_value); /* If we have a new value, use it */ if (flags & EV_VOLATILE) { ev->ev_value = strdup(value); } else { ev->ev_value = (char *)value; } /* Keep the flag components that are relevant */ ev->ev_flags = flags & (EV_DYNAMIC); return(0); }
/* * Some notes: * * If the EV_VOLATILE flag is set, a copy of the variable is made. * If EV_DYNAMIC is set, the the variable has been allocated with * malloc and ownership transferred to the environment. * If (value) is NULL, the variable is set but has no value. */
Some notes: If the EV_VOLATILE flag is set, a copy of the variable is made. If EV_DYNAMIC is set, the the variable has been allocated with malloc and ownership transferred to the environment. If (value) is NULL, the variable is set but has no value.
[ "Some", "notes", ":", "If", "the", "EV_VOLATILE", "flag", "is", "set", "a", "copy", "of", "the", "variable", "is", "made", ".", "If", "EV_DYNAMIC", "is", "set", "the", "the", "variable", "has", "been", "allocated", "with", "malloc", "and", "ownership", "transferred", "to", "the", "environment", ".", "If", "(", "value", ")", "is", "NULL", "the", "variable", "is", "set", "but", "has", "no", "value", "." ]
int env_setenv(const char *name, int flags, const void *value, ev_sethook_t sethook, ev_unsethook_t unsethook) { struct env_var *ev, *curr, *last; if ((ev = env_getenv(name)) != NULL) { if ((ev->ev_sethook != NULL) && !(flags & EV_NOHOOK)) return(ev->ev_sethook(ev, flags, value)); } else { ev = malloc(sizeof(struct env_var)); ev->ev_name = strdup(name); ev->ev_value = NULL; ev->ev_sethook = sethook; ev->ev_unsethook = unsethook; ev->ev_prev = NULL; ev->ev_next = NULL; for (last = NULL, curr = environ; curr != NULL; last = curr, curr = curr->ev_next) { if (strcmp(ev->ev_name, curr->ev_name) < 0) { if (curr->ev_prev) { curr->ev_prev->ev_next = ev; } else { environ = ev; } ev->ev_next = curr; ev->ev_prev = curr->ev_prev; curr->ev_prev = ev; break; } } if (curr == NULL) { if (last == NULL) { environ = ev; } else { last->ev_next = ev; ev->ev_prev = last; } } } if (ev->ev_value != NULL) free(ev->ev_value); if (flags & EV_VOLATILE) { ev->ev_value = strdup(value); } else { ev->ev_value = (char *)value; } ev->ev_flags = flags & (EV_DYNAMIC); return(0); }
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Some notes: If the EV_VOLATILE flag is set, a copy of the variable is made.
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[ "/*\n\t * If there's a set hook, let it do the work (unless we are working\n\t * for one already.\n\t */", "/*\n\t * New variable; create and sort into list\n\t */", "/* hooks can only be set when the variable is instantiated */", "/* Sort into list */", "/* Search for the record to insert before */", "/* If there is data in the variable, discard it */", "/* If we have a new value, use it */", "/* Keep the flag components that are relevant */" ]
[ { "param": "name", "type": "char" }, { "param": "flags", "type": "int" }, { "param": "value", "type": "void" }, { "param": "sethook", "type": "ev_sethook_t" }, { "param": "unsethook", "type": "ev_unsethook_t" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "name", "type": "char", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "flags", "type": "int", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "value", "type": "void", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "sethook", "type": "ev_sethook_t", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "unsethook", "type": "ev_unsethook_t", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
33a4f30227a887ff3788226005739c379ec69d8c
atrens/DragonFlyBSD-src
sys/bus/pci/x86_64/pci_cfgreg.c
[ "BSD-3-Clause" ]
C
pci_cfgregopen
int
int pci_cfgregopen(void) { static int inited = 0; uint64_t pciebar; uint16_t vid, did; if (!inited) { inited = 1; spin_init(&pcicfg_spin, "pcicfg"); } if (cfgmech != CFGMECH_NONE) return 1; cfgmech = CFGMECH_1; /* * Grope around in the PCI config space to see if this is a * chipset that is capable of doing memory-mapped config cycles. * This also implies that it can do PCIe extended config cycles. */ /* Check for supported chipsets */ vid = pci_cfgregread(0, 0, 0, PCIR_VENDOR, 2); did = pci_cfgregread(0, 0, 0, PCIR_DEVICE, 2); switch (vid) { case 0x8086: switch (did) { case 0x3590: case 0x3592: /* Intel 7520 or 7320 */ pciebar = pci_cfgregread(0, 0, 0, 0xce, 2) << 16; pcie_cfgregopen(pciebar, 0, 255); break; case 0x2580: case 0x2584: case 0x2590: /* Intel 915, 925, or 915GM */ pciebar = pci_cfgregread(0, 0, 0, 0x48, 4); pcie_cfgregopen(pciebar, 0, 255); break; } } return 1; }
/* * Initialise access to PCI configuration space */
Initialise access to PCI configuration space
[ "Initialise", "access", "to", "PCI", "configuration", "space" ]
int pci_cfgregopen(void) { static int inited = 0; uint64_t pciebar; uint16_t vid, did; if (!inited) { inited = 1; spin_init(&pcicfg_spin, "pcicfg"); } if (cfgmech != CFGMECH_NONE) return 1; cfgmech = CFGMECH_1; vid = pci_cfgregread(0, 0, 0, PCIR_VENDOR, 2); did = pci_cfgregread(0, 0, 0, PCIR_DEVICE, 2); switch (vid) { case 0x8086: switch (did) { case 0x3590: case 0x3592: pciebar = pci_cfgregread(0, 0, 0, 0xce, 2) << 16; pcie_cfgregopen(pciebar, 0, 255); break; case 0x2580: case 0x2584: case 0x2590: pciebar = pci_cfgregread(0, 0, 0, 0x48, 4); pcie_cfgregopen(pciebar, 0, 255); break; } } return 1; }
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Initialise access to PCI configuration space
[ "Initialise", "access", "to", "PCI", "configuration", "space" ]
[ "/*\n\t * Grope around in the PCI config space to see if this is a\n\t * chipset that is capable of doing memory-mapped config cycles.\n\t * This also implies that it can do PCIe extended config cycles.\n\t */", "/* Check for supported chipsets */", "/* Intel 7520 or 7320 */", "/* Intel 915, 925, or 915GM */" ]
[]
{ "returns": [], "raises": [], "params": [], "outlier_params": [], "others": [] }
33a4f30227a887ff3788226005739c379ec69d8c
atrens/DragonFlyBSD-src
sys/bus/pci/x86_64/pci_cfgreg.c
[ "BSD-3-Clause" ]
C
pci_cfgenable
int
static int pci_cfgenable(unsigned bus, unsigned slot, unsigned func, int reg, int bytes) { int dataport = 0; if (bus <= PCI_BUSMAX && slot <= PCI_SLOTMAX && func <= PCI_FUNCMAX && (unsigned)reg <= PCI_REGMAX && bytes != 3 && (unsigned)bytes <= 4 && (reg & (bytes - 1)) == 0) { outl(CONF1_ADDR_PORT, (1 << 31) | (bus << 16) | (slot << 11) | (func << 8) | (reg & ~0x03)); dataport = CONF1_DATA_PORT + (reg & 0x03); } return dataport; }
/* enable configuration space accesses and return data port address */
enable configuration space accesses and return data port address
[ "enable", "configuration", "space", "accesses", "and", "return", "data", "port", "address" ]
static int pci_cfgenable(unsigned bus, unsigned slot, unsigned func, int reg, int bytes) { int dataport = 0; if (bus <= PCI_BUSMAX && slot <= PCI_SLOTMAX && func <= PCI_FUNCMAX && (unsigned)reg <= PCI_REGMAX && bytes != 3 && (unsigned)bytes <= 4 && (reg & (bytes - 1)) == 0) { outl(CONF1_ADDR_PORT, (1 << 31) | (bus << 16) | (slot << 11) | (func << 8) | (reg & ~0x03)); dataport = CONF1_DATA_PORT + (reg & 0x03); } return dataport; }
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enable configuration space accesses and return data port address
[ "enable", "configuration", "space", "accesses", "and", "return", "data", "port", "address" ]
[]
[ { "param": "bus", "type": "unsigned" }, { "param": "slot", "type": "unsigned" }, { "param": "func", "type": "unsigned" }, { "param": "reg", "type": "int" }, { "param": "bytes", "type": "int" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "bus", "type": "unsigned", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "slot", "type": "unsigned", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "func", "type": "unsigned", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "reg", "type": "int", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "bytes", "type": "int", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
a715b9d50b352824f5de62fe4b985b8fda3c3242
atrens/DragonFlyBSD-src
sys/boot/common/console.c
[ "BSD-3-Clause" ]
C
cons_probe
void
void cons_probe(void) { int cons; int active; char *prefconsole; /* * Probe all available consoles */ for (cons = 0; consoles[cons] != NULL; cons++) { consoles[cons]->c_flags = 0; consoles[cons]->c_probe(consoles[cons]); } /* * Get our console preference. If there is no preference, all * available consoles will be made active in parallel. Otherwise * only the specified console is activated. */ active = -1; if ((prefconsole = getenv("console")) != NULL) { for (cons = 0; consoles[cons] != NULL; cons++) { if (strcmp(prefconsole, consoles[cons]->c_name) == 0) { if (consoles[cons]->c_flags & (C_PRESENTIN | C_PRESENTOUT)) active = cons; } } unsetenv("console"); if (active >= 0) { env_setenv("console", EV_VOLATILE, consoles[active]->c_name, cons_set, env_nounset); } } /* * Active the active console or all consoles if active is -1. */ for (cons = 0; consoles[cons] != NULL; cons++) { if ((active == -1 || cons == active) && (consoles[cons]->c_flags & (C_PRESENTIN|C_PRESENTOUT)) ) { consoles[cons]->c_flags |= (C_ACTIVEIN | C_ACTIVEOUT); consoles[cons]->c_init(0); printf("Console: %s\n", consoles[cons]->c_desc); } } }
/* * Detect possible console(s) to use. The first probed console * is marked active. Also create the console variable. * * XXX Add logic for multiple console support. */
Detect possible console(s) to use. The first probed console is marked active. Also create the console variable. XXX Add logic for multiple console support.
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void cons_probe(void) { int cons; int active; char *prefconsole; for (cons = 0; consoles[cons] != NULL; cons++) { consoles[cons]->c_flags = 0; consoles[cons]->c_probe(consoles[cons]); } active = -1; if ((prefconsole = getenv("console")) != NULL) { for (cons = 0; consoles[cons] != NULL; cons++) { if (strcmp(prefconsole, consoles[cons]->c_name) == 0) { if (consoles[cons]->c_flags & (C_PRESENTIN | C_PRESENTOUT)) active = cons; } } unsetenv("console"); if (active >= 0) { env_setenv("console", EV_VOLATILE, consoles[active]->c_name, cons_set, env_nounset); } } for (cons = 0; consoles[cons] != NULL; cons++) { if ((active == -1 || cons == active) && (consoles[cons]->c_flags & (C_PRESENTIN|C_PRESENTOUT)) ) { consoles[cons]->c_flags |= (C_ACTIVEIN | C_ACTIVEOUT); consoles[cons]->c_init(0); printf("Console: %s\n", consoles[cons]->c_desc); } } }
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Detect possible console(s) to use.
[ "Detect", "possible", "console", "(", "s", ")", "to", "use", "." ]
[ "/*\n * Probe all available consoles\n */", "/*\n * Get our console preference. If there is no preference, all \n * available consoles will be made active in parallel. Otherwise\n * only the specified console is activated.\n */", "/*\n * Active the active console or all consoles if active is -1.\n */" ]
[]
{ "returns": [], "raises": [], "params": [], "outlier_params": [], "others": [] }
a715b9d50b352824f5de62fe4b985b8fda3c3242
atrens/DragonFlyBSD-src
sys/boot/common/console.c
[ "BSD-3-Clause" ]
C
cons_set
int
static int cons_set(struct env_var *ev, int flags, const void *value) { int cons, active; if ((value == NULL) || ((active = cons_find(value)) == -1)) { if (value != NULL) printf("no such console '%s'\n", (char *)value); printf("Available consoles:\n"); for (cons = 0; consoles[cons] != NULL; cons++) printf(" %s\n", consoles[cons]->c_name); return(CMD_ERROR); } /* disable all current consoles */ for (cons = 0; consoles[cons] != NULL; cons++) consoles[cons]->c_flags &= ~(C_ACTIVEIN | C_ACTIVEOUT); /* enable selected console */ consoles[active]->c_flags |= C_ACTIVEIN | C_ACTIVEOUT; consoles[active]->c_init(0); env_setenv(ev->ev_name, flags | EV_NOHOOK, value, NULL, NULL); return(CMD_OK); }
/* * Select a console. * * XXX Note that the console system design allows for some extension * here (eg. multiple consoles, input/output only, etc.) */
Select a console. XXX Note that the console system design allows for some extension here
[ "Select", "a", "console", ".", "XXX", "Note", "that", "the", "console", "system", "design", "allows", "for", "some", "extension", "here" ]
static int cons_set(struct env_var *ev, int flags, const void *value) { int cons, active; if ((value == NULL) || ((active = cons_find(value)) == -1)) { if (value != NULL) printf("no such console '%s'\n", (char *)value); printf("Available consoles:\n"); for (cons = 0; consoles[cons] != NULL; cons++) printf(" %s\n", consoles[cons]->c_name); return(CMD_ERROR); } for (cons = 0; consoles[cons] != NULL; cons++) consoles[cons]->c_flags &= ~(C_ACTIVEIN | C_ACTIVEOUT); consoles[active]->c_flags |= C_ACTIVEIN | C_ACTIVEOUT; consoles[active]->c_init(0); env_setenv(ev->ev_name, flags | EV_NOHOOK, value, NULL, NULL); return(CMD_OK); }
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Select a console.
[ "Select", "a", "console", "." ]
[ "/* disable all current consoles */", "/* enable selected console */" ]
[ { "param": "ev", "type": "struct env_var" }, { "param": "flags", "type": "int" }, { "param": "value", "type": "void" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "ev", "type": "struct env_var", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "flags", "type": "int", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "value", "type": "void", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
24732e90586d0cb0449e92abeabf23c27b0c84f2
atrens/DragonFlyBSD-src
contrib/gdb-7/gdb/gcore.c
[ "BSD-3-Clause" ]
C
create_gcore_bfd
bfd
bfd * create_gcore_bfd (char *filename) { bfd *obfd = gdb_bfd_openw (filename, default_gcore_target ()); if (!obfd) error (_("Failed to open '%s' for output."), filename); bfd_set_format (obfd, bfd_core); bfd_set_arch_mach (obfd, default_gcore_arch (), default_gcore_mach ()); return obfd; }
/* create_gcore_bfd -- helper for gcore_command (exported). Open a new bfd core file for output, and return the handle. */
- helper for gcore_command (exported). Open a new bfd core file for output, and return the handle.
[ "-", "helper", "for", "gcore_command", "(", "exported", ")", ".", "Open", "a", "new", "bfd", "core", "file", "for", "output", "and", "return", "the", "handle", "." ]
bfd * create_gcore_bfd (char *filename) { bfd *obfd = gdb_bfd_openw (filename, default_gcore_target ()); if (!obfd) error (_("Failed to open '%s' for output."), filename); bfd_set_format (obfd, bfd_core); bfd_set_arch_mach (obfd, default_gcore_arch (), default_gcore_mach ()); return obfd; }
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create_gcore_bfd -- helper for gcore_command (exported).
[ "create_gcore_bfd", "--", "helper", "for", "gcore_command", "(", "exported", ")", "." ]
[]
[ { "param": "filename", "type": "char" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "filename", "type": "char", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
24732e90586d0cb0449e92abeabf23c27b0c84f2
atrens/DragonFlyBSD-src
contrib/gdb-7/gdb/gcore.c
[ "BSD-3-Clause" ]
C
write_gcore_file
void
void write_gcore_file (bfd *obfd) { void *note_data = NULL; int note_size = 0; asection *note_sec = NULL; /* An external target method must build the notes section. */ /* FIXME: uweigand/2011-10-06: All architectures that support core file generation should be converted to gdbarch_make_corefile_notes; at that point, the target vector method can be removed. */ if (!gdbarch_make_corefile_notes_p (target_gdbarch ())) note_data = target_make_corefile_notes (obfd, &note_size); else note_data = gdbarch_make_corefile_notes (target_gdbarch (), obfd, &note_size); if (note_data == NULL || note_size == 0) error (_("Target does not support core file generation.")); /* Create the note section. */ note_sec = bfd_make_section_anyway_with_flags (obfd, "note0", SEC_HAS_CONTENTS | SEC_READONLY | SEC_ALLOC); if (note_sec == NULL) error (_("Failed to create 'note' section for corefile: %s"), bfd_errmsg (bfd_get_error ())); bfd_set_section_vma (obfd, note_sec, 0); bfd_set_section_alignment (obfd, note_sec, 0); bfd_set_section_size (obfd, note_sec, note_size); /* Now create the memory/load sections. */ if (gcore_memory_sections (obfd) == 0) error (_("gcore: failed to get corefile memory sections from target.")); /* Write out the contents of the note section. */ if (!bfd_set_section_contents (obfd, note_sec, note_data, 0, note_size)) warning (_("writing note section (%s)"), bfd_errmsg (bfd_get_error ())); }
/* write_gcore_file -- helper for gcore_command (exported). Compose and write the corefile data to the core file. */
- helper for gcore_command (exported). Compose and write the corefile data to the core file.
[ "-", "helper", "for", "gcore_command", "(", "exported", ")", ".", "Compose", "and", "write", "the", "corefile", "data", "to", "the", "core", "file", "." ]
void write_gcore_file (bfd *obfd) { void *note_data = NULL; int note_size = 0; asection *note_sec = NULL; if (!gdbarch_make_corefile_notes_p (target_gdbarch ())) note_data = target_make_corefile_notes (obfd, &note_size); else note_data = gdbarch_make_corefile_notes (target_gdbarch (), obfd, &note_size); if (note_data == NULL || note_size == 0) error (_("Target does not support core file generation.")); note_sec = bfd_make_section_anyway_with_flags (obfd, "note0", SEC_HAS_CONTENTS | SEC_READONLY | SEC_ALLOC); if (note_sec == NULL) error (_("Failed to create 'note' section for corefile: %s"), bfd_errmsg (bfd_get_error ())); bfd_set_section_vma (obfd, note_sec, 0); bfd_set_section_alignment (obfd, note_sec, 0); bfd_set_section_size (obfd, note_sec, note_size); if (gcore_memory_sections (obfd) == 0) error (_("gcore: failed to get corefile memory sections from target.")); if (!bfd_set_section_contents (obfd, note_sec, note_data, 0, note_size)) warning (_("writing note section (%s)"), bfd_errmsg (bfd_get_error ())); }
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write_gcore_file -- helper for gcore_command (exported).
[ "write_gcore_file", "--", "helper", "for", "gcore_command", "(", "exported", ")", "." ]
[ "/* An external target method must build the notes section. */", "/* FIXME: uweigand/2011-10-06: All architectures that support core file\n generation should be converted to gdbarch_make_corefile_notes; at that\n point, the target vector method can be removed. */", "/* Create the note section. */", "/* Now create the memory/load sections. */", "/* Write out the contents of the note section. */" ]
[ { "param": "obfd", "type": "bfd" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "obfd", "type": "bfd", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
24732e90586d0cb0449e92abeabf23c27b0c84f2
atrens/DragonFlyBSD-src
contrib/gdb-7/gdb/gcore.c
[ "BSD-3-Clause" ]
C
gcore_command
void
static void gcore_command (char *args, int from_tty) { struct cleanup *old_chain; char *corefilename, corefilename_buffer[40]; bfd *obfd; /* No use generating a corefile without a target process. */ if (!target_has_execution) noprocess (); if (args && *args) corefilename = args; else { /* Default corefile name is "core.PID". */ xsnprintf (corefilename_buffer, sizeof (corefilename_buffer), "core.%d", PIDGET (inferior_ptid)); corefilename = corefilename_buffer; } if (info_verbose) fprintf_filtered (gdb_stdout, "Opening corefile '%s' for output.\n", corefilename); /* Open the output file. */ obfd = create_gcore_bfd (corefilename); /* Need a cleanup that will close and delete the file. */ old_chain = make_cleanup (do_bfd_delete_cleanup, obfd); /* Call worker function. */ write_gcore_file (obfd); /* Succeeded. */ fprintf_filtered (gdb_stdout, "Saved corefile %s\n", corefilename); discard_cleanups (old_chain); gdb_bfd_unref (obfd); }
/* gcore_command -- implements the 'gcore' command. Generate a core file from the inferior process. */
- implements the 'gcore' command. Generate a core file from the inferior process.
[ "-", "implements", "the", "'", "gcore", "'", "command", ".", "Generate", "a", "core", "file", "from", "the", "inferior", "process", "." ]
static void gcore_command (char *args, int from_tty) { struct cleanup *old_chain; char *corefilename, corefilename_buffer[40]; bfd *obfd; if (!target_has_execution) noprocess (); if (args && *args) corefilename = args; else { xsnprintf (corefilename_buffer, sizeof (corefilename_buffer), "core.%d", PIDGET (inferior_ptid)); corefilename = corefilename_buffer; } if (info_verbose) fprintf_filtered (gdb_stdout, "Opening corefile '%s' for output.\n", corefilename); obfd = create_gcore_bfd (corefilename); old_chain = make_cleanup (do_bfd_delete_cleanup, obfd); write_gcore_file (obfd); fprintf_filtered (gdb_stdout, "Saved corefile %s\n", corefilename); discard_cleanups (old_chain); gdb_bfd_unref (obfd); }
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gcore_command -- implements the 'gcore' command.
[ "gcore_command", "--", "implements", "the", "'", "gcore", "'", "command", "." ]
[ "/* No use generating a corefile without a target process. */", "/* Default corefile name is \"core.PID\". */", "/* Open the output file. */", "/* Need a cleanup that will close and delete the file. */", "/* Call worker function. */", "/* Succeeded. */" ]
[ { "param": "args", "type": "char" }, { "param": "from_tty", "type": "int" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "args", "type": "char", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "from_tty", "type": "int", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
24732e90586d0cb0449e92abeabf23c27b0c84f2
atrens/DragonFlyBSD-src
contrib/gdb-7/gdb/gcore.c
[ "BSD-3-Clause" ]
C
derive_stack_segment
int
static int derive_stack_segment (bfd_vma *bottom, bfd_vma *top) { struct frame_info *fi, *tmp_fi; gdb_assert (bottom); gdb_assert (top); /* Can't succeed without stack and registers. */ if (!target_has_stack || !target_has_registers) return 0; /* Can't succeed without current frame. */ fi = get_current_frame (); if (fi == NULL) return 0; /* Save frame pointer of TOS frame. */ *top = get_frame_base (fi); /* If current stack pointer is more "inner", use that instead. */ if (gdbarch_inner_than (get_frame_arch (fi), get_frame_sp (fi), *top)) *top = get_frame_sp (fi); /* Find prev-most frame. */ while ((tmp_fi = get_prev_frame (fi)) != NULL) fi = tmp_fi; /* Save frame pointer of prev-most frame. */ *bottom = get_frame_base (fi); /* Now canonicalize their order, so that BOTTOM is a lower address (as opposed to a lower stack frame). */ if (*bottom > *top) { bfd_vma tmp_vma; tmp_vma = *top; *top = *bottom; *bottom = tmp_vma; } return 1; }
/* Derive a reasonable stack segment by unwinding the target stack, and store its limits in *BOTTOM and *TOP. Return non-zero if successful. */
Derive a reasonable stack segment by unwinding the target stack, and store its limits in *BOTTOM and *TOP. Return non-zero if successful.
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static int derive_stack_segment (bfd_vma *bottom, bfd_vma *top) { struct frame_info *fi, *tmp_fi; gdb_assert (bottom); gdb_assert (top); if (!target_has_stack || !target_has_registers) return 0; fi = get_current_frame (); if (fi == NULL) return 0; *top = get_frame_base (fi); if (gdbarch_inner_than (get_frame_arch (fi), get_frame_sp (fi), *top)) *top = get_frame_sp (fi); while ((tmp_fi = get_prev_frame (fi)) != NULL) fi = tmp_fi; *bottom = get_frame_base (fi); if (*bottom > *top) { bfd_vma tmp_vma; tmp_vma = *top; *top = *bottom; *bottom = tmp_vma; } return 1; }
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Derive a reasonable stack segment by unwinding the target stack, and store its limits in *BOTTOM and *TOP.
[ "Derive", "a", "reasonable", "stack", "segment", "by", "unwinding", "the", "target", "stack", "and", "store", "its", "limits", "in", "*", "BOTTOM", "and", "*", "TOP", "." ]
[ "/* Can't succeed without stack and registers. */", "/* Can't succeed without current frame. */", "/* Save frame pointer of TOS frame. */", "/* If current stack pointer is more \"inner\", use that instead. */", "/* Find prev-most frame. */", "/* Save frame pointer of prev-most frame. */", "/* Now canonicalize their order, so that BOTTOM is a lower address\n (as opposed to a lower stack frame). */" ]
[ { "param": "bottom", "type": "bfd_vma" }, { "param": "top", "type": "bfd_vma" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "bottom", "type": "bfd_vma", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "top", "type": "bfd_vma", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
24732e90586d0cb0449e92abeabf23c27b0c84f2
atrens/DragonFlyBSD-src
contrib/gdb-7/gdb/gcore.c
[ "BSD-3-Clause" ]
C
derive_heap_segment
int
static int derive_heap_segment (bfd *abfd, bfd_vma *bottom, bfd_vma *top) { bfd_vma top_of_data_memory = 0; bfd_vma top_of_heap = 0; bfd_size_type sec_size; bfd_vma sec_vaddr; asection *sec; gdb_assert (bottom); gdb_assert (top); /* This function depends on being able to call a function in the inferior. */ if (!target_has_execution) return 0; /* The following code assumes that the link map is arranged as follows (low to high addresses): --------------------------------- | text sections | --------------------------------- | data sections (including bss) | --------------------------------- | heap | --------------------------------- */ for (sec = abfd->sections; sec; sec = sec->next) { if (bfd_get_section_flags (abfd, sec) & SEC_DATA || strcmp (".bss", bfd_section_name (abfd, sec)) == 0) { sec_vaddr = bfd_get_section_vma (abfd, sec); sec_size = bfd_get_section_size (sec); if (sec_vaddr + sec_size > top_of_data_memory) top_of_data_memory = sec_vaddr + sec_size; } } top_of_heap = call_target_sbrk (0); if (top_of_heap == (bfd_vma) 0) return 0; /* Return results. */ if (top_of_heap > top_of_data_memory) { *bottom = top_of_data_memory; *top = top_of_heap; return 1; } /* No additional heap space needs to be saved. */ return 0; }
/* Derive a reasonable heap segment for ABFD by looking at sbrk and the static data sections. Store its limits in *BOTTOM and *TOP. Return non-zero if successful. */
Derive a reasonable heap segment for ABFD by looking at sbrk and the static data sections. Store its limits in *BOTTOM and *TOP. Return non-zero if successful.
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static int derive_heap_segment (bfd *abfd, bfd_vma *bottom, bfd_vma *top) { bfd_vma top_of_data_memory = 0; bfd_vma top_of_heap = 0; bfd_size_type sec_size; bfd_vma sec_vaddr; asection *sec; gdb_assert (bottom); gdb_assert (top); if (!target_has_execution) return 0; for (sec = abfd->sections; sec; sec = sec->next) { if (bfd_get_section_flags (abfd, sec) & SEC_DATA || strcmp (".bss", bfd_section_name (abfd, sec)) == 0) { sec_vaddr = bfd_get_section_vma (abfd, sec); sec_size = bfd_get_section_size (sec); if (sec_vaddr + sec_size > top_of_data_memory) top_of_data_memory = sec_vaddr + sec_size; } } top_of_heap = call_target_sbrk (0); if (top_of_heap == (bfd_vma) 0) return 0; if (top_of_heap > top_of_data_memory) { *bottom = top_of_data_memory; *top = top_of_heap; return 1; } return 0; }
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Derive a reasonable heap segment for ABFD by looking at sbrk and the static data sections.
[ "Derive", "a", "reasonable", "heap", "segment", "for", "ABFD", "by", "looking", "at", "sbrk", "and", "the", "static", "data", "sections", "." ]
[ "/* This function depends on being able to call a function in the\n inferior. */", "/* The following code assumes that the link map is arranged as\n follows (low to high addresses):\n\n ---------------------------------\n | text sections |\n ---------------------------------\n | data sections (including bss) |\n ---------------------------------\n | heap |\n --------------------------------- */", "/* Return results. */", "/* No additional heap space needs to be saved. */" ]
[ { "param": "abfd", "type": "bfd" }, { "param": "bottom", "type": "bfd_vma" }, { "param": "top", "type": "bfd_vma" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "abfd", "type": "bfd", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "bottom", "type": "bfd_vma", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "top", "type": "bfd_vma", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
8716b8dcae27b9d48b8654eccfcacba101ec362f
atrens/DragonFlyBSD-src
lib/libc/locale/setlocale.c
[ "BSD-3-Clause" ]
C
__detect_path_locale
int
int __detect_path_locale(void) { if (_PathLocale == NULL) { char *p = getenv("PATH_LOCALE"); if (p != NULL && !issetugid()) { if (strlen(p) + 1/*"/"*/ + ENCODING_LEN + 1/*"/"*/ + CATEGORY_LEN >= PATH_MAX) return (ENAMETOOLONG); _PathLocale = strdup(p); if (_PathLocale == NULL) return (errno == 0 ? ENOMEM : errno); } else _PathLocale = _PATH_LOCALE; } return (0); }
/* * Detect locale storage location and store its value to _PathLocale variable */
Detect locale storage location and store its value to _PathLocale variable
[ "Detect", "locale", "storage", "location", "and", "store", "its", "value", "to", "_PathLocale", "variable" ]
int __detect_path_locale(void) { if (_PathLocale == NULL) { char *p = getenv("PATH_LOCALE"); if (p != NULL && !issetugid()) { if (strlen(p) + 1 + ENCODING_LEN + 1 + CATEGORY_LEN >= PATH_MAX) return (ENAMETOOLONG); _PathLocale = strdup(p); if (_PathLocale == NULL) return (errno == 0 ? ENOMEM : errno); } else _PathLocale = _PATH_LOCALE; } return (0); }
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Detect locale storage location and store its value to _PathLocale variable
[ "Detect", "locale", "storage", "location", "and", "store", "its", "value", "to", "_PathLocale", "variable" ]
[ "/*\"/\"*/", "/*\"/\"*/" ]
[]
{ "returns": [], "raises": [], "params": [], "outlier_params": [], "others": [] }
e02e5288be69c5d92fa241f7a91154438a4d4472
atrens/DragonFlyBSD-src
tools/tools/net80211/wlantxtime/wlantxtime.c
[ "BSD-3-Clause" ]
C
ieee80211_setup_ratetable
void
static void ieee80211_setup_ratetable(struct ieee80211_rate_table *rt) { #define N(a) (sizeof(a)/sizeof(a[0])) #define WLAN_CTRL_FRAME_SIZE \ (sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN) int i; for (i = 0; i < N(rt->rateCodeToIndex); i++) rt->rateCodeToIndex[i] = (uint8_t) -1; for (i = 0; i < rt->rateCount; i++) { uint8_t code = rt->info[i].dot11Rate; uint8_t cix = rt->info[i].ctlRateIndex; uint8_t ctl_rate = rt->info[cix].dot11Rate; rt->rateCodeToIndex[code] = i; if (code & IEEE80211_RATE_BASIC) { /* * Map w/o basic rate bit too. */ code &= IEEE80211_RATE_VAL; rt->rateCodeToIndex[code] = i; } /* * XXX for 11g the control rate to use for 5.5 and 11 Mb/s * depends on whether they are marked as basic rates; * the static tables are setup with an 11b-compatible * 2Mb/s rate which will work but is suboptimal * * NB: Control rate is always less than or equal to the * current rate, so control rate's reverse lookup entry * has been installed and following call is safe. */ rt->info[i].lpAckDuration = ieee80211_compute_duration(rt, WLAN_CTRL_FRAME_SIZE, ctl_rate, 0); rt->info[i].spAckDuration = ieee80211_compute_duration(rt, WLAN_CTRL_FRAME_SIZE, ctl_rate, IEEE80211_F_SHPREAMBLE); } #undef WLAN_CTRL_FRAME_SIZE #undef N }
/* * Setup a rate table's reverse lookup table and fill in * ack durations. The reverse lookup tables are assumed * to be initialized to zero (or at least the first entry). * We use this as a key that indicates whether or not * we've previously setup the reverse lookup table. * * XXX not reentrant, but shouldn't matter */
Setup a rate table's reverse lookup table and fill in ack durations. The reverse lookup tables are assumed to be initialized to zero (or at least the first entry). We use this as a key that indicates whether or not we've previously setup the reverse lookup table. XXX not reentrant, but shouldn't matter
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static void ieee80211_setup_ratetable(struct ieee80211_rate_table *rt) { #define N(a) (sizeof(a)/sizeof(a[0])) #define WLAN_CTRL_FRAME_SIZE \ (sizeof(struct ieee80211_frame_ack) + IEEE80211_CRC_LEN) int i; for (i = 0; i < N(rt->rateCodeToIndex); i++) rt->rateCodeToIndex[i] = (uint8_t) -1; for (i = 0; i < rt->rateCount; i++) { uint8_t code = rt->info[i].dot11Rate; uint8_t cix = rt->info[i].ctlRateIndex; uint8_t ctl_rate = rt->info[cix].dot11Rate; rt->rateCodeToIndex[code] = i; if (code & IEEE80211_RATE_BASIC) { code &= IEEE80211_RATE_VAL; rt->rateCodeToIndex[code] = i; } rt->info[i].lpAckDuration = ieee80211_compute_duration(rt, WLAN_CTRL_FRAME_SIZE, ctl_rate, 0); rt->info[i].spAckDuration = ieee80211_compute_duration(rt, WLAN_CTRL_FRAME_SIZE, ctl_rate, IEEE80211_F_SHPREAMBLE); } #undef WLAN_CTRL_FRAME_SIZE #undef N }
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Setup a rate table's reverse lookup table and fill in ack durations.
[ "Setup", "a", "rate", "table", "'", "s", "reverse", "lookup", "table", "and", "fill", "in", "ack", "durations", "." ]
[ "/*\n\t\t\t * Map w/o basic rate bit too.\n\t\t\t */", "/*\n\t\t * XXX for 11g the control rate to use for 5.5 and 11 Mb/s\n\t\t * depends on whether they are marked as basic rates;\n\t\t * the static tables are setup with an 11b-compatible\n\t\t * 2Mb/s rate which will work but is suboptimal\n\t\t *\n\t\t * NB: Control rate is always less than or equal to the\n\t\t * current rate, so control rate's reverse lookup entry\n\t\t * has been installed and following call is safe.\n\t\t */" ]
[ { "param": "rt", "type": "struct ieee80211_rate_table" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "rt", "type": "struct ieee80211_rate_table", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
e02e5288be69c5d92fa241f7a91154438a4d4472
atrens/DragonFlyBSD-src
tools/tools/net80211/wlantxtime/wlantxtime.c
[ "BSD-3-Clause" ]
C
ieee80211_compute_duration
uint16_t
uint16_t ieee80211_compute_duration(const struct ieee80211_rate_table *rt, uint32_t frameLen, uint16_t rate, int isShortPreamble) { uint8_t rix = rt->rateCodeToIndex[rate]; uint32_t bitsPerSymbol, numBits, numSymbols, phyTime, txTime; uint32_t kbps; KASSERT(rix != (uint8_t)-1, ("rate %d has no info", rate)); kbps = rt->info[rix].rateKbps; if (kbps == 0) /* XXX bandaid for channel changes */ return 0; switch (rt->info[rix].phy) { case IEEE80211_T_CCK: phyTime = CCK_PREAMBLE_BITS + CCK_PLCP_BITS; if (isShortPreamble && rt->info[rix].shortPreamble) phyTime >>= 1; numBits = frameLen << 3; txTime = CCK_SIFS_TIME + phyTime + ((numBits * 1000)/kbps); break; case IEEE80211_T_OFDM: bitsPerSymbol = (kbps * OFDM_SYMBOL_TIME) / 1000; KASSERT(bitsPerSymbol != 0, ("full rate bps")); numBits = OFDM_PLCP_BITS + (frameLen << 3); numSymbols = howmany(numBits, bitsPerSymbol); txTime = OFDM_SIFS_TIME + OFDM_PREAMBLE_TIME + (numSymbols * OFDM_SYMBOL_TIME); break; case IEEE80211_T_OFDM_HALF: bitsPerSymbol = (kbps * OFDM_HALF_SYMBOL_TIME) / 1000; KASSERT(bitsPerSymbol != 0, ("1/4 rate bps")); numBits = OFDM_PLCP_BITS + (frameLen << 3); numSymbols = howmany(numBits, bitsPerSymbol); txTime = OFDM_HALF_SIFS_TIME + OFDM_HALF_PREAMBLE_TIME + (numSymbols * OFDM_HALF_SYMBOL_TIME); break; case IEEE80211_T_OFDM_QUARTER: bitsPerSymbol = (kbps * OFDM_QUARTER_SYMBOL_TIME) / 1000; KASSERT(bitsPerSymbol != 0, ("1/2 rate bps")); numBits = OFDM_PLCP_BITS + (frameLen << 3); numSymbols = howmany(numBits, bitsPerSymbol); txTime = OFDM_QUARTER_SIFS_TIME + OFDM_QUARTER_PREAMBLE_TIME + (numSymbols * OFDM_QUARTER_SYMBOL_TIME); break; case IEEE80211_T_TURBO: /* we still save OFDM rates in kbps - so double them */ bitsPerSymbol = ((kbps << 1) * TURBO_SYMBOL_TIME) / 1000; KASSERT(bitsPerSymbol != 0, ("turbo bps")); numBits = TURBO_PLCP_BITS + (frameLen << 3); numSymbols = howmany(numBits, bitsPerSymbol); txTime = TURBO_SIFS_TIME + TURBO_PREAMBLE_TIME + (numSymbols * TURBO_SYMBOL_TIME); break; default: panic("%s: unknown phy %u (rate %u)\n", __func__, rt->info[rix].phy, rate); break; } return txTime; }
/* * Compute the time to transmit a frame of length frameLen bytes * using the specified rate, phy, and short preamble setting. * SIFS is included. */
Compute the time to transmit a frame of length frameLen bytes using the specified rate, phy, and short preamble setting. SIFS is included.
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uint16_t ieee80211_compute_duration(const struct ieee80211_rate_table *rt, uint32_t frameLen, uint16_t rate, int isShortPreamble) { uint8_t rix = rt->rateCodeToIndex[rate]; uint32_t bitsPerSymbol, numBits, numSymbols, phyTime, txTime; uint32_t kbps; KASSERT(rix != (uint8_t)-1, ("rate %d has no info", rate)); kbps = rt->info[rix].rateKbps; if (kbps == 0) return 0; switch (rt->info[rix].phy) { case IEEE80211_T_CCK: phyTime = CCK_PREAMBLE_BITS + CCK_PLCP_BITS; if (isShortPreamble && rt->info[rix].shortPreamble) phyTime >>= 1; numBits = frameLen << 3; txTime = CCK_SIFS_TIME + phyTime + ((numBits * 1000)/kbps); break; case IEEE80211_T_OFDM: bitsPerSymbol = (kbps * OFDM_SYMBOL_TIME) / 1000; KASSERT(bitsPerSymbol != 0, ("full rate bps")); numBits = OFDM_PLCP_BITS + (frameLen << 3); numSymbols = howmany(numBits, bitsPerSymbol); txTime = OFDM_SIFS_TIME + OFDM_PREAMBLE_TIME + (numSymbols * OFDM_SYMBOL_TIME); break; case IEEE80211_T_OFDM_HALF: bitsPerSymbol = (kbps * OFDM_HALF_SYMBOL_TIME) / 1000; KASSERT(bitsPerSymbol != 0, ("1/4 rate bps")); numBits = OFDM_PLCP_BITS + (frameLen << 3); numSymbols = howmany(numBits, bitsPerSymbol); txTime = OFDM_HALF_SIFS_TIME + OFDM_HALF_PREAMBLE_TIME + (numSymbols * OFDM_HALF_SYMBOL_TIME); break; case IEEE80211_T_OFDM_QUARTER: bitsPerSymbol = (kbps * OFDM_QUARTER_SYMBOL_TIME) / 1000; KASSERT(bitsPerSymbol != 0, ("1/2 rate bps")); numBits = OFDM_PLCP_BITS + (frameLen << 3); numSymbols = howmany(numBits, bitsPerSymbol); txTime = OFDM_QUARTER_SIFS_TIME + OFDM_QUARTER_PREAMBLE_TIME + (numSymbols * OFDM_QUARTER_SYMBOL_TIME); break; case IEEE80211_T_TURBO: bitsPerSymbol = ((kbps << 1) * TURBO_SYMBOL_TIME) / 1000; KASSERT(bitsPerSymbol != 0, ("turbo bps")); numBits = TURBO_PLCP_BITS + (frameLen << 3); numSymbols = howmany(numBits, bitsPerSymbol); txTime = TURBO_SIFS_TIME + TURBO_PREAMBLE_TIME + (numSymbols * TURBO_SYMBOL_TIME); break; default: panic("%s: unknown phy %u (rate %u)\n", __func__, rt->info[rix].phy, rate); break; } return txTime; }
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Compute the time to transmit a frame of length frameLen bytes using the specified rate, phy, and short preamble setting.
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[ "/* XXX bandaid for channel changes */", "/* we still save OFDM rates in kbps - so double them */" ]
[ { "param": "rt", "type": "struct ieee80211_rate_table" }, { "param": "frameLen", "type": "uint32_t" }, { "param": "rate", "type": "uint16_t" }, { "param": "isShortPreamble", "type": "int" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "rt", "type": "struct ieee80211_rate_table", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "frameLen", "type": "uint32_t", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "rate", "type": "uint16_t", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null }, { "identifier": "isShortPreamble", "type": "int", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
14e8203adec69bd7a6a347e22e586f5273457413
atrens/DragonFlyBSD-src
usr.bin/m4/manual_tokenizer.c
[ "BSD-3-Clause" ]
C
yy_get_previous_state
yy_state_type
static yy_state_type yy_get_previous_state (void) { register yy_state_type yy_current_state; register char *yy_cp; yy_current_state = (yy_start); for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp ) { register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1); if ( yy_accept[yy_current_state] ) { (yy_last_accepting_state) = yy_current_state; (yy_last_accepting_cpos) = yy_cp; } while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) { yy_current_state = (int) yy_def[yy_current_state]; if ( yy_current_state >= 35 ) yy_c = yy_meta[(unsigned int) yy_c]; } yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; } return yy_current_state; }
/* yy_get_previous_state - get the state just before the EOB char was reached */
get the state just before the EOB char was reached
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static yy_state_type yy_get_previous_state (void) { register yy_state_type yy_current_state; register char *yy_cp; yy_current_state = (yy_start); for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp ) { register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1); if ( yy_accept[yy_current_state] ) { (yy_last_accepting_state) = yy_current_state; (yy_last_accepting_cpos) = yy_cp; } while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) { yy_current_state = (int) yy_def[yy_current_state]; if ( yy_current_state >= 35 ) yy_c = yy_meta[(unsigned int) yy_c]; } yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; } return yy_current_state; }
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yy_get_previous_state - get the state just before the EOB char was reached
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[]
[]
{ "returns": [], "raises": [], "params": [], "outlier_params": [], "others": [] }
14e8203adec69bd7a6a347e22e586f5273457413
atrens/DragonFlyBSD-src
usr.bin/m4/manual_tokenizer.c
[ "BSD-3-Clause" ]
C
yy_flush_buffer
void
void yy_flush_buffer (YY_BUFFER_STATE b ) { if ( ! b ) return; b->yy_n_chars = 0; /* We always need two end-of-buffer characters. The first causes * a transition to the end-of-buffer state. The second causes * a jam in that state. */ b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; b->yy_buf_pos = &b->yy_ch_buf[0]; b->yy_at_bol = 1; b->yy_buffer_status = YY_BUFFER_NEW; if ( b == YY_CURRENT_BUFFER ) yy_load_buffer_state( ); }
/** Discard all buffered characters. On the next scan, YY_INPUT will be called. * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER. * */
Discard all buffered characters. On the next scan, YY_INPUT will be called. @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.
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void yy_flush_buffer (YY_BUFFER_STATE b ) { if ( ! b ) return; b->yy_n_chars = 0; b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; b->yy_buf_pos = &b->yy_ch_buf[0]; b->yy_at_bol = 1; b->yy_buffer_status = YY_BUFFER_NEW; if ( b == YY_CURRENT_BUFFER ) yy_load_buffer_state( ); }
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Discard all buffered characters.
[ "Discard", "all", "buffered", "characters", "." ]
[ "/* We always need two end-of-buffer characters. The first causes\n\t * a transition to the end-of-buffer state. The second causes\n\t * a jam in that state.\n\t */" ]
[ { "param": "b", "type": "YY_BUFFER_STATE" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "b", "type": "YY_BUFFER_STATE", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }
14e8203adec69bd7a6a347e22e586f5273457413
atrens/DragonFlyBSD-src
usr.bin/m4/manual_tokenizer.c
[ "BSD-3-Clause" ]
C
yypush_buffer_state
void
void yypush_buffer_state (YY_BUFFER_STATE new_buffer ) { if (new_buffer == NULL) return; yyensure_buffer_stack(); /* This block is copied from yy_switch_to_buffer. */ if ( YY_CURRENT_BUFFER ) { /* Flush out information for old buffer. */ *(yy_c_buf_p) = (yy_hold_char); YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); } /* Only push if top exists. Otherwise, replace top. */ if (YY_CURRENT_BUFFER) (yy_buffer_stack_top)++; YY_CURRENT_BUFFER_LVALUE = new_buffer; /* copied from yy_switch_to_buffer. */ yy_load_buffer_state( ); (yy_did_buffer_switch_on_eof) = 1; }
/** Pushes the new state onto the stack. The new state becomes * the current state. This function will allocate the stack * if necessary. * @param new_buffer The new state. * */
Pushes the new state onto the stack. The new state becomes the current state. This function will allocate the stack if necessary. @param new_buffer The new state.
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void yypush_buffer_state (YY_BUFFER_STATE new_buffer ) { if (new_buffer == NULL) return; yyensure_buffer_stack(); if ( YY_CURRENT_BUFFER ) { *(yy_c_buf_p) = (yy_hold_char); YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); } if (YY_CURRENT_BUFFER) (yy_buffer_stack_top)++; YY_CURRENT_BUFFER_LVALUE = new_buffer; yy_load_buffer_state( ); (yy_did_buffer_switch_on_eof) = 1; }
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Pushes the new state onto the stack.
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[ "/* This block is copied from yy_switch_to_buffer. */", "/* Flush out information for old buffer. */", "/* Only push if top exists. Otherwise, replace top. */", "/* copied from yy_switch_to_buffer. */" ]
[ { "param": "new_buffer", "type": "YY_BUFFER_STATE" } ]
{ "returns": [], "raises": [], "params": [ { "identifier": "new_buffer", "type": "YY_BUFFER_STATE", "docstring": null, "docstring_tokens": [], "default": null, "is_optional": null } ], "outlier_params": [], "others": [] }