* src/misc/cpu.c: no need to push/pop %rbx before cpuid on x86_64.

2ff83248 · Sam Hocevar · e8b1a9f8 · 2ff83248
Commit 2ff83248 authored Oct 01, 2005 by Sam Hocevar
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src/misc/cpu.c src/misc/cpu.c +1 -3

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--- a/src/misc/cpu.c
+++ b/src/misc/cpu.c
@@ -86,10 +86,8 @@ uint32_t CPUCapabilities( void )
    /* Needed for x86 CPU capabilities detection */
 #   if defined( __x86_64__ )
 #       define cpuid( reg )                    \
-            asm volatile ( "push %%rbx\n\t"    \
+            asm volatile ( "cpuid\n\t"         \
-                           "cpuid\n\t"         \
                           "movl %%ebx,%1\n\t" \
-                           "pop %%rbx\n\t"     \
                         : "=a" ( i_eax ),     \
                           "=r" ( i_ebx ),     \
                           "=c" ( i_ecx ),     \