mirrors/openssl
0
0
Fork 0
mirror of https://github.com/openssl/openssl.git synced 2024-12-13 20:13:53 +08:00
Code Issues Packages Projects Releases Wiki Activity

x86cpuid.pl: make it work with older CPUs.

Browse Source 
PR: 3005
This commit is contained in:
Andy Polyakov 2013-03-04 20:05:04 +01:00
parent 656829b78f
commit 5702e965d7
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
crypto/x86cpuid.pl
View File

@ -69,6 +69,7 @@ for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); }
&inc ("esi"); # number of cores
&mov ("eax",1);
&xor ("ecx","ecx");
&cpuid ();
&bt ("edx",28);
&jnc (&label("generic"));
@ -102,6 +103,7 @@ for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); }
&set_label("nocacheinfo");
&mov ("eax",1);
&xor ("ecx","ecx");
&cpuid ();
&and ("edx",0xbfefffff); # force reserved bits #20, #30 to 0
&cmp ("ebp",0);