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x86cpuid.pl: fix extended feature flags detection.

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This commit is contained in:
Andy Polyakov 2013-06-10 22:20:46 +02:00
parent 2f58cda4ce
commit 1bc0b68d7b
1 changed files with 10 additions and 9 deletions
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19
crypto/x86cpuid.pl
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@ -81,6 +81,16 @@ for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); }
&jmp (&label("generic"));
&set_label("intel");
&cmp ("edi",7);
&jb (&label("cacheinfo"));
&mov ("esi",&wparam(0));
&mov ("eax",7);
&xor ("ecx","ecx");
&cpuid ();
&mov (&DWP(8,"esi"),"ebx");
&set_label("cacheinfo");
&cmp ("edi",4);
&mov ("edi",-1);
&jb (&label("nocacheinfo"));
@ -92,15 +102,6 @@ for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); }
&shr ("edi",14);
&and ("edi",0xfff); # number of cores -1 per L1D
&cmp ("edi",7);
&jb (&label("nocacheinfo"));
&mov ("esi",&wparam(0));
&mov ("eax",7);
&xor ("ecx","ecx");
&cpuid ();
&mov (&DWP(8,"esi"),"ebx");
&set_label("nocacheinfo");
&mov ("eax",1);
&xor ("ecx","ecx");