f34428eb35
* cpu_features.c: New file. * cpu_features.h: New file. * crt1.c: Include "cpu_features.h". (__mingw_CRTStartup): Call cpu_features_init(). * Makefile.in (MING_OBJS): Add cpu_features.c. (SRCDIST_FILES): Add cpu_features.c, cpu_features.h. * include/fenv,h ( fenv_t;): Append __mxcsr field. (__MXCSR_EXCEPT_FLAG_SHIFT): New define. (__MXCSR_EXCEPT_MASK_SHIFT): New define. (__MXCSR_ROUND_FLAG_SHIFT): New define. * mingwex/feclearexcept.c: Include "cpu_features.h". Handle SSE environment. * mingwex/fegetenv.c: Likewise. * mingwex/feholdexcept.c: Likewise. * mingwex/fesetenv.c: Likewise. * mingwex/fesetexceptflag.c: Likewise. * mingwex/fesetround.c: Likewise. * mingwex/fetestexcept.c: Likewise. * mingwex/feupdateenv.c: Likewise. * mingwex/fegetround.c: Add comment.
24 lines
492 B
C
Executable file
24 lines
492 B
C
Executable file
#ifndef _CPU_FEATURES_H
|
|
#define _CPU_FEATURES_H
|
|
|
|
#include <stdbool.h>
|
|
|
|
#define _CRT_CMPXCHG8B 0x0001
|
|
#define _CRT_CMOV 0x0002
|
|
#define _CRT_MMX 0x0004
|
|
#define _CRT_FXSR 0x0008
|
|
#define _CRT_SSE 0x0010
|
|
#define _CRT_SSE2 0x0020
|
|
#define _CRT_SSE3 0x0040
|
|
#define _CRT_CMPXCHG16B 0x0080
|
|
#define _CRT_3DNOW 0x0100
|
|
#define _CRT_3DNOWP 0x0200
|
|
|
|
extern unsigned int __cpu_features;
|
|
|
|
/* Currently we use this in fpenv functions */
|
|
#define __HAS_SSE __cpu_features & _CRT_SSE
|
|
|
|
|
|
#endif
|