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-rw-r--r--contrib/llvm/tools/clang/lib/Headers/fxsrintrin.h62
1 files changed, 56 insertions, 6 deletions
diff --git a/contrib/llvm/tools/clang/lib/Headers/fxsrintrin.h b/contrib/llvm/tools/clang/lib/Headers/fxsrintrin.h
index ac6026aa5ba2..786081ca8eab 100644
--- a/contrib/llvm/tools/clang/lib/Headers/fxsrintrin.h
+++ b/contrib/llvm/tools/clang/lib/Headers/fxsrintrin.h
@@ -30,25 +30,75 @@
#define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("fxsr")))
+/// \brief Saves the XMM, MMX, MXCSR and x87 FPU registers into a 512-byte
+/// memory region pointed to by the input parameter \a __p.
+///
+/// \headerfile <x86intrin.h>
+///
+/// This intrinsic corresponds to the <c> FXSAVE </c> instruction.
+///
+/// \param __p
+/// A pointer to a 512-byte memory region. The beginning of this memory
+/// region should be aligned on a 16-byte boundary.
static __inline__ void __DEFAULT_FN_ATTRS
-_fxsave(void *__p) {
+_fxsave(void *__p)
+{
return __builtin_ia32_fxsave(__p);
}
+/// \brief Restores the XMM, MMX, MXCSR and x87 FPU registers from the 512-byte
+/// memory region pointed to by the input parameter \a __p. The contents of
+/// this memory region should have been written to by a previous \c _fxsave
+/// or \c _fxsave64 intrinsic.
+///
+/// \headerfile <x86intrin.h>
+///
+/// This intrinsic corresponds to the <c> FXRSTOR </c> instruction.
+///
+/// \param __p
+/// A pointer to a 512-byte memory region. The beginning of this memory
+/// region should be aligned on a 16-byte boundary.
static __inline__ void __DEFAULT_FN_ATTRS
-_fxsave64(void *__p) {
- return __builtin_ia32_fxsave64(__p);
+_fxrstor(void *__p)
+{
+ return __builtin_ia32_fxrstor(__p);
}
+#ifdef __x86_64__
+/// \brief Saves the XMM, MMX, MXCSR and x87 FPU registers into a 512-byte
+/// memory region pointed to by the input parameter \a __p.
+///
+/// \headerfile <x86intrin.h>
+///
+/// This intrinsic corresponds to the <c> FXSAVE64 </c> instruction.
+///
+/// \param __p
+/// A pointer to a 512-byte memory region. The beginning of this memory
+/// region should be aligned on a 16-byte boundary.
static __inline__ void __DEFAULT_FN_ATTRS
-_fxrstor(void *__p) {
- return __builtin_ia32_fxrstor(__p);
+_fxsave64(void *__p)
+{
+ return __builtin_ia32_fxsave64(__p);
}
+/// \brief Restores the XMM, MMX, MXCSR and x87 FPU registers from the 512-byte
+/// memory region pointed to by the input parameter \a __p. The contents of
+/// this memory region should have been written to by a previous \c _fxsave
+/// or \c _fxsave64 intrinsic.
+///
+/// \headerfile <x86intrin.h>
+///
+/// This intrinsic corresponds to the <c> FXRSTOR64 </c> instruction.
+///
+/// \param __p
+/// A pointer to a 512-byte memory region. The beginning of this memory
+/// region should be aligned on a 16-byte boundary.
static __inline__ void __DEFAULT_FN_ATTRS
-_fxrstor64(void *__p) {
+_fxrstor64(void *__p)
+{
return __builtin_ia32_fxrstor64(__p);
}
+#endif
#undef __DEFAULT_FN_ATTRS