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0e2f9b011b
amd with ssse3 (bulldozer and fusion) has serious performance problems with the vpaes code. (-evp is 40% slower)
12 lines
451 B
Diff
12 lines
451 B
Diff
diff -Naur openssl-1.0.2a.org/crypto/x86cpuid.pl openssl-1.0.2a/crypto/x86cpuid.pl
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--- openssl-1.0.2a.org/crypto/x86cpuid.pl 2015-03-19 14:30:36.000000000 +0100
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+++ openssl-1.0.2a/crypto/x86cpuid.pl 2015-04-28 13:47:57.853521020 +0200
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@@ -71,6 +71,7 @@
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&mov ("eax",1);
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&xor ("ecx","ecx");
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&cpuid ();
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+ &and ("ecx",0xfffffdff); # clear SSSE3 because it is incredible slow on AMD's
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&bt ("edx",28);
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&jnc (&label("generic"));
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&shr ("ebx",16);
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