+ added more ebx saving to cpuid invocations

git-svn-id: trunk@4147 -
2025-09-10 22:29:23 +02:00 · 2006-07-12 07:23:03 +00:00 · 2006-07-12 07:23:03 +00:00 · 81b98c9d82
commit 81b98c9d82
parent e8b76c157b
1 changed files with 4 additions and 0 deletions
--- a/rtl/i386/i386.inc
+++ b/rtl/i386/i386.inc
@ -55,9 +55,11 @@ function sse_support : boolean;
    if cpuid_support then
     begin
        asm
+          pushl %ebx
          movl $1,%eax
          cpuid
          movl %edx,_edx
+          popl %ebx          
        end;
        sse_support:=((_edx and $2000000)<>0) and os_supports_sse;
     end
@ -77,9 +79,11 @@ function mmx_support : boolean;
     if cpuid_support then
       begin
          asm
+             pushl %ebx
             movl $1,%eax
             cpuid
             movl %edx,_edx
+             popl %ebx            
          end;
          mmx_support:=(_edx and $800000)<>0;
       end