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
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#define _CPU_FEATURES_H
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#include <stdbool.h>
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#define _CRT_CMPXCHG8B 0x0001
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#define _CRT_CMOV 0x0002
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#define _CRT_MMX 0x0004
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#define _CRT_FXSR 0x0008
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#define _CRT_SSE 0x0010
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#define _CRT_SSE2 0x0020
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#define _CRT_SSE3 0x0040
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#define _CRT_CMPXCHG16B 0x0080
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#define _CRT_3DNOW 0x0100
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#define _CRT_3DNOWP 0x0200
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extern unsigned int __cpu_features;
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/* Currently we use this in fpenv functions */
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#define __HAS_SSE __cpu_features & _CRT_SSE
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#endif
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