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MS Intrin.h: implement __cpuidex and simplify __cpuid 

The two identical implementations of __cpuid for X86 / X86_64 were
leftovers from my first iteration on the patch that implemented it.

llvm-svn: 200568
This commit is contained in:
Hans Wennborg 2014-01-31 19:44:55 +00:00
parent c18b36625e
commit 12fb89ec51
1 changed files with 7 additions and 7 deletions
clang/lib/Headers
Intrin.h

14
clang/lib/Headers/Intrin.h
View File

@ -53,6 +53,7 @@ void __addfsword(unsigned long, unsigned short);
void __code_seg(const char *);
static __inline__
void __cpuid(int[4], int);
static __inline__
void __cpuidex(int[4], int, int);
void __debugbreak(void);
__int64 __emul(int, int);
@ -876,14 +877,13 @@ _ReturnAddress(void) {
}
static __inline__ void __attribute__((__always_inline__, __nodebug__))
__cpuid(int __info[4], int __level) {
#if __i386__
__asm__ ("cpuid"
: "=a"(__info[0]), "=b" (__info[1]), "=c"(__info[2]), "=d"(__info[3])
: "0"(__level));
#else
__asm__ ("cpuid" : "=a"(__info[0]), "=b" (__info[1]), "=c"(__info[2]), "=d"(__info[3])
: "0"(__level));
#endif
: "a"(__level));
}
static __inline__ void __attribute__((__always_inline__, __nodebug__))
__cpuidex(int __info[4], int __level, int __ecx) {
__asm__ ("cpuid" : "=a"(__info[0]), "=b" (__info[1]), "=c"(__info[2]), "=d"(__info[3])
: "a"(__level), "c"(__ecx));
}
static __inline__ unsigned __int64 __cdecl __attribute__((__always_inline__, __nodebug__))
_xgetbv(unsigned int __xcr_no) {