message: Arrange 'help' options in order.
diff: @@ -107,15 +107,10 @@ static void lPrintVersion() {
  PrintWithWordBreaks(cpuHelp, 16, TerminalWidth(), stdout);
  printf(" [-D<foo>]\t\t\t\t#define given value when running preprocessor\n");
  printf(" [--dev-stub <filename>]\t\tEmit device-side offload stub functions to file\n");
  - printf(" [--vectorcall/--no-vectorcall]\tEnable/disable vectorcall calling convention on Windows (x64 only). "
  - "Disabled by default\n");
  printf(" [--dllexport]\t\t\tMake non-static functions DLL exported. Windows target only\n");
  printf(" [--dwarf-version={2,3,4}]\t\tGenerate source-level debug information with given DWARF version "
  "(triggers -g). Ignored for Windows target\n");
  printf(" [--emit-asm]\t\t\tGenerate assembly language file as output\n");
  - printf(" [--x86-asm-syntax=<option>]\t\tSelect style of code if generating assembly\n");
  - printf(" intel\t\t\t\tEmit Intel-style assembly\n");
  - printf(" att\t\t\t\tEmit AT&T-style assembly\n");
  printf(" [--emit-llvm]\t\t\tEmit LLVM bitcode file as output\n");
  printf(" [--emit-llvm-text]\t\t\tEmit LLVM bitcode file as output in textual form\n");
  printf(" [--emit-obj]\t\t\tGenerate object file file as output (default)\n");
  @@ -123,8 +118,8 @@ static void lPrintVersion() {
  printf(" [--emit-spirv]\t\t\tGenerate SPIR-V file as output\n");
  printf(" [--emit-zebin]\t\t\tGenerate L0 binary as output\n");
  #endif
  - printf(" [--force-alignment=<value>]\t\tForce alignment in memory allocations routine to be <value>\n");
  printf(" [--error-limit=<value>]\t\tLimit maximum number of errors emitting by ISPC to <value>\n");
  + printf(" [--force-alignment=<value>]\t\tForce alignment in memory allocations routine to be <value>\n");
  printf(" [-g]\t\t\t\tGenerate source-level debug information\n");
  printf(" [--help]\t\t\t\tPrint help\n");
  printf(" [--help-dev]\t\t\tPrint help for developer options\n");
  @@ -182,6 +177,8 @@ static void lPrintVersion() {
  printf(" [--time-trace]\t\t\tTurn on time profiler. Generates JSON file based on output filename.\n");
  printf(" [--time-trace-granularity=<value>\tMinimum time granularity (in microseconds) traced by time "
  "profiler.\n");
  + printf(" [--vectorcall/--no-vectorcall]\tEnable/disable vectorcall calling convention on Windows (x64 only). "
  + "Disabled by default\n");
  printf(" [--version]\t\t\t\tPrint ispc version\n");
  #ifdef ISPC_GENX_ENABLED
  printf(" [--vc-options=<\"-option1 -option2...\">]\t\t\t\tPass additional options to Vector Compiler backend\n");
  @@ -189,6 +186,9 @@ static void lPrintVersion() {
  printf(" [--werror]\t\t\t\tTreat warnings as errors\n");
  printf(" [--woff]\t\t\t\tDisable warnings\n");
  printf(" [--wno-perf]\t\t\tDon't issue warnings related to performance-related issues\n");
  + printf(" [--x86-asm-syntax=<option>]\t\tSelect style of code if generating assembly\n");
  + printf(" intel\t\t\t\tEmit Intel-style assembly\n");
  + printf(" att\t\t\t\tEmit AT&T-style assembly\n");
  printf(" [@<filename>]\t\t\tRead additional arguments from the given file\n");
  printf(" <file to compile or \"-\" for stdin>\n");
  exit(ret);
  