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Diffstat (limited to 'contrib/llvm/tools/clang/lib/Headers/popcntintrin.h')
| -rw-r--r-- | contrib/llvm/tools/clang/lib/Headers/popcntintrin.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/contrib/llvm/tools/clang/lib/Headers/popcntintrin.h b/contrib/llvm/tools/clang/lib/Headers/popcntintrin.h new file mode 100644 index 000000000000..75ceab9e150b --- /dev/null +++ b/contrib/llvm/tools/clang/lib/Headers/popcntintrin.h @@ -0,0 +1,98 @@ +/*===---- popcntintrin.h - POPCNT intrinsics -------------------------------=== + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + * + *===-----------------------------------------------------------------------=== + */ + +#ifndef __POPCNTINTRIN_H +#define __POPCNTINTRIN_H + +/* Define the default attributes for the functions in this file. */ +#define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("popcnt"))) + +/// Counts the number of bits in the source operand having a value of 1. +/// +/// \headerfile <x86intrin.h> +/// +/// This intrinsic corresponds to the <c> POPCNT </c> 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); +} + +/// Counts the number of bits in the source operand having a value of 1. +/// +/// \headerfile <x86intrin.h> +/// +/// This intrinsic corresponds to the <c> POPCNT </c> 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) +{ + return __builtin_popcount(__A); +} + +#ifdef __x86_64__ +/// Counts the number of bits in the source operand having a value of 1. +/// +/// \headerfile <x86intrin.h> +/// +/// This intrinsic corresponds to the <c> POPCNT </c> 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); +} + +/// Counts the number of bits in the source operand having a value of 1. +/// +/// \headerfile <x86intrin.h> +/// +/// This intrinsic corresponds to the <c> POPCNT </c> 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) +{ + return __builtin_popcountll(__A); +} +#endif /* __x86_64__ */ + +#undef __DEFAULT_FN_ATTRS + +#endif /* __POPCNTINTRIN_H */ |