crypto/x86_64cpuid.pl: move extended feature detection upwards.
Exteneded feature flags were not pulled on AMD processors, as result a
number of extensions were effectively masked on Ryzen. It should have
been reported for Excavator since it implements AVX2 extension, but
apparently nobody noticed or cared...
@@ -72,6 +72,16 @@ OPENSSL_ia32_cpuid:
cpuid
mov %eax,%r11d # max value for standard query level
+ cmp \$7,%eax
+ jb .Lno_extended_info
+
+ mov \$7,%eax
+ xor %ecx,%ecx
+ cpuid
+ mov %ebx,8(%rdi)
+
+.Lno_extended_info:
+
xor %eax,%eax
cmp \$0x756e6547,%ebx # "Genu"
setne %al
@@ -136,14 +146,6 @@ OPENSSL_ia32_cpuid:
shr \$14,%r10d
and \$0xfff,%r10d # number of cores -1 per L1D
- cmp \$7,%r11d
- jb .Lnocacheinfo
-
- mov \$7,%eax
- xor %ecx,%ecx
- cpuid
- mov %ebx,8(%rdi)
-
.Lnocacheinfo:
mov \$1,%eax
cpuid
