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cpuid instruction clobbers eax/ebx/ecx/edx

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This commit is contained in:
Gavin Andresen 2011-01-22 16:04:07 -05:00
parent fdec7fe203
commit c90ea2bd6d
1 changed files with 1 additions and 1 deletions
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2
main.cpp
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@ -3127,7 +3127,7 @@ void CallCPUID(int in, int& aret, int& cret)
"mov %%ecx, %1;" // ecx into c "mov %%ecx, %1;" // ecx into c
:"=r"(a),"=r"(c) /* output */ :"=r"(a),"=r"(c) /* output */
:"r"(in) /* input */ :"r"(in) /* input */
:"%eax","%ecx" /* clobbered register */ :"%eax","%ebx","%ecx","%edx" /* clobbered register */
); );
aret = a; aret = a;
cret = c; cret = c;