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Merge pull request #144 from Sonicadvance1/fix-BitScanFoward 

Fix the BitScanForward implementations for x86_64.
This commit is contained in:
sudonim1 2014-07-30 18:19:19 +01:00
parent 5415fb361f 2a6656050c
commit 904f5de1ea
2 changed files with 2 additions and 2 deletions
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2
common/include/intrin_x86.h
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@ -591,7 +591,7 @@ static __inline__ __attribute__((always_inline)) void __addfsdword(const unsigne
/*** Bit manipulation ***/
static __inline__ __attribute__((always_inline)) unsigned char _BitScanForward(unsigned long * const Index, const unsigned long Mask)
{
__asm__("bsfl %[Mask], %[Index]" : [Index] "=r" (*Index) : [Mask] "mr" (Mask));
__asm__("bsfl %k[Mask], %k[Index]" : [Index] "=r" (*Index) : [Mask] "mr" (Mask));
return Mask ? 1 : 0;
}

2
plugins/GSdx/stdafx.h
View File

@ -374,7 +374,7 @@ struct aligned_free_second {template<class T> void operator()(T& p) {_aligned_fr
__forceinline unsigned char _BitScanForward(unsigned long* const Index, const unsigned long Mask)
{
__asm__("bsfl %[Mask], %[Index]" : [Index] "=r" (*Index) : [Mask] "mr" (Mask));
__asm__("bsfl %k[Mask], %k[Index]" : [Index] "=r" (*Index) : [Mask] "mr" (Mask));
return Mask ? 1 : 0;
}