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avutil/x86/cpu: fix cpuid sub-leaf selection

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit e58fc44649)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
lvqcl 2014-09-27 13:21:31 +02:00 committed by Michael Niedermayer
parent e28c27e25f
commit 2144ce08c1
1 changed files with 1 additions and 1 deletions
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2
libavutil/x86/cpu.c
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@ -44,7 +44,7 @@
"cpuid \n\t" \
"xchg %%"REG_b", %%"REG_S \
: "=a" (eax), "=S" (ebx), "=c" (ecx), "=d" (edx) \
: "0" (index))
: "0" (index), "2"(0))
#define xgetbv(index, eax, edx) \
__asm__ (".byte 0x0f, 0x01, 0xd0" : "=a"(eax), "=d"(edx) : "c" (index))