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Backed out changeset 82f5fed6d91a (Linux GCC doesn't seem to like clobbering ebx in inline assembly).

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This commit is contained in:
Andreas Gal 2008-10-22 19:08:28 -07:00
parent 04b27d4cf3
commit 5b7d8ddbe0
1 changed files with 9 additions and 5 deletions
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14
js/src/jstracer.cpp
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@ -2986,11 +2986,15 @@ js_CheckForSSE2()
popad
}
#elif defined __GNUC__
asm("movl %1, %%eax; cpuid; movl %%edx, %0;"
: "m=" (features) /* output */
: "r" (0x01) /* input */
: "eax", "ebx", "ecx", "edx" /* clobber list */
);
asm("pusha\n"
"mov $0x01, %%eax\n"
"cpuid\n"
"mov %%edx, %0\n"
"popa\n"
: "=m" (features)
/* We have no inputs */
/* We don't clobber anything */
);
#elif defined __SUNPRO_C || defined __SUNPRO_CC
asm("push %%ebx\n"
"mov $0x01, %%eax\n"