Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2025-02-23 17:05:46 +00:00
Code Issues Projects Releases Packages Wiki Activity

[CRT]

Browse source 
- Add definition and GCC implementation of _mm_setcsr and _mm_getcsr

svn path=/trunk/; revision=58691
This commit is contained in:
Jérôme Gardou 2013-04-06 19:13:01 +00:00
parent 69889ed097
commit f380de49ba
1 changed files with 23 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

23
reactos/include/crt/xmmintrin.h
View file

@ -28,6 +28,29 @@ typedef union _DECLSPEC_INTRIN_TYPE _CRT_ALIGN(16) __m128
extern __m128 _mm_load_ss(float const*);
extern int _mm_cvt_ss2si(__m128);
#ifdef _MSC_VER
unsigned int _mm_getcsr(void);
#pragma intrinsic(_mm_getcsr)
void _mm_setcsr(unsigned int);
#pragma intrinsic(_mm_setcsr)
#else
/*
* We can't use __builtin_ia32_* functions,
* are they are only available with the -msse2 compiler switch
*/
__INTRIN_INLINE unsigned int _mm_getcsr(void)
{
unsigned int retval;
__asm__ __volatile__("stmxcsr %0" : "=m"(retval));
return retval;
}
__INTRIN_INLINE void _mm_setcsr(unsigned int val)
{
__asm__ __volatile__("ldmxcsr %0" : : "m"(val));
}
#endif
/* Alternate names */
#define _mm_cvtss_si32 _mm_cvt_ss2si