From c207006bbb4d07e144905ce40336ebabb54e5f86 Mon Sep 17 00:00:00 2001 From: Ekaterina Romanova Date: Tue, 1 Mar 2016 20:04:57 +0000 Subject: [PATCH] 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 --- clang/lib/Headers/popcntintrin.h | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/clang/lib/Headers/popcntintrin.h b/clang/lib/Headers/popcntintrin.h index 6fcda65..7e2f167 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 +/// +/// 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 +/// +/// 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 +/// +/// 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 +/// +/// 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) { -- 2.7.4