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| author | Ekaterina Romanova <katya_romanova@playstation.sony.com> | 2016-03-01 20:04:57 +0000 |
|---|---|---|
| committer | Ekaterina Romanova <katya_romanova@playstation.sony.com> | 2016-03-01 20:04:57 +0000 |
| commit | c207006bbb4d07e144905ce40336ebabb54e5f86 (patch) | |
| tree | 09d5c8fd7ebaaf62927c6e69a97c85518f823f0a /clang/lib | |
| parent | 17cb57995eb9535c30cdff864b6157a34d1f5143 (diff) | |
| download | bcm5719-llvm-c207006bbb4d07e144905ce40336ebabb54e5f86.tar.gz bcm5719-llvm-c207006bbb4d07e144905ce40336ebabb54e5f86.zip | |
This patch adds doxygen comments for the intrinsincs in the header file popcntintrin.h.
The doxygen comments are automatically generated based on Sony's intrinsics documentation.
Differential Revision: http://reviews.llvm.org/D17550
llvm-svn: 262385
Diffstat (limited to 'clang/lib')
| -rw-r--r-- | clang/lib/Headers/popcntintrin.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/clang/lib/Headers/popcntintrin.h b/clang/lib/Headers/popcntintrin.h index 6fcda65c780..7e2f1670805 100644 --- a/clang/lib/Headers/popcntintrin.h +++ b/clang/lib/Headers/popcntintrin.h @@ -27,12 +27,32 @@ /* Define the default attributes for the functions in this file. */ #define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("popcnt"))) +/// \brief Counts the number of bits in the source operand having a value of 1. +/// +/// \headerfile <x86intrin.h> +/// +/// This intrinsic corresponds to the \c POPCNT instruction. +/// +/// \param __A +/// An unsigned 32-bit integer operand. +/// \returns A 32-bit integer containing the number of bits with value 1 in the +/// source operand. static __inline__ int __DEFAULT_FN_ATTRS _mm_popcnt_u32(unsigned int __A) { return __builtin_popcount(__A); } +/// \brief Counts the number of bits in the source operand having a value of 1. +/// +/// \headerfile <x86intrin.h> +/// +/// This intrinsic corresponds to the \c POPCNT instruction. +/// +/// \param __A +/// A signed 32-bit integer operand. +/// \returns A 32-bit integer containing the number of bits with value 1 in the +/// source operand. static __inline__ int __DEFAULT_FN_ATTRS _popcnt32(int __A) { @@ -40,12 +60,32 @@ _popcnt32(int __A) } #ifdef __x86_64__ +/// \brief Counts the number of bits in the source operand having a value of 1. +/// +/// \headerfile <x86intrin.h> +/// +/// This intrinsic corresponds to the \c POPCNT instruction. +/// +/// \param __A +/// An unsigned 64-bit integer operand. +/// \returns A 64-bit integer containing the number of bits with value 1 in the +/// source operand. static __inline__ long long __DEFAULT_FN_ATTRS _mm_popcnt_u64(unsigned long long __A) { return __builtin_popcountll(__A); } +/// \brief Counts the number of bits in the source operand having a value of 1. +/// +/// \headerfile <x86intrin.h> +/// +/// This intrinsic corresponds to the \c POPCNT instruction. +/// +/// \param __A +/// A signed 64-bit integer operand. +/// \returns A 64-bit integer containing the number of bits with value 1 in the +/// source operand. static __inline__ long long __DEFAULT_FN_ATTRS _popcnt64(long long __A) { |
