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Doxygen comments for prfchwintrin.h 

Added doxygen comments to prfchwintrin.h's intrinsics. 

Note: The doxygen comments are automatically generated based on Sony's intrinsic
s document.

I got an OK from Eric Christopher to commit doxygen comments without prior code
review upstream.

llvm-svn: 293745
This commit is contained in:
Ekaterina Romanova 2017-02-01 07:37:40 +00:00
parent 468487d71a
commit ae7b82eaf8
1 changed files with 24 additions and 0 deletions
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24
clang/lib/Headers/prfchwintrin.h
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@ -29,12 +29,36 @@
#define __PRFCHWINTRIN_H
#if defined(__PRFCHW__) || defined(__3dNOW__)
/// \brief Loads a memory sequence containing the specified memory address into
/// all data cache levels. The cache-coherency state is set to exclusive.
/// Data can be read from and written to the cache line without additional
/// delay.
///
/// \headerfile <x86intrin.h>
///
/// This intrinsic corresponds to the \c PREFETCHT0 instruction.
///
/// \param __P
/// A pointer specifying the memory address to be prefetched.
static __inline__ void __attribute__((__always_inline__, __nodebug__))
_m_prefetch(void *__P)
{
__builtin_prefetch (__P, 0, 3 /* _MM_HINT_T0 */);
}
/// \brief Loads a memory sequence containing the specified memory address into
/// the L1 data cache and sets the cache-coherency to modified. This
/// provides a hint to the processor that the cache line will be modified.
/// It is intended for use when the cache line will be written to shortly
/// after the prefetch is performed. Note that the effect of this intrinsic
/// is dependent on the processor implementation.
///
/// \headerfile <x86intrin.h>
///
/// This intrinsic corresponds to the \c PREFETCHW instruction.
///
/// \param __P
/// A pointer specifying the memory address to be prefetched.
static __inline__ void __attribute__((__always_inline__, __nodebug__))
_m_prefetchw(void *__P)
{