Commit 2a1ab7b4 authored by Andy Polyakov's avatar Andy Polyakov
Browse files

x86cpuid.pl: make it work with older CPUs. 

PR: 3005
(cherry picked from commit 5702e965)
parent dd1e4fbc

crypto/x86cpuid.pl

+2 −0
Original line number Diff line number Diff line
@@ -67,6 +67,7 @@ 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"));
@@ -91,6 +92,7 @@ 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);