From 222e2a7620e6520ffaf4fc4e69d79c18da31542e Mon Sep 17 00:00:00 2001 From: "Zancanaro; Carlo" Date: Mon, 24 Sep 2012 09:58:17 +1000 Subject: Add the clang library to the repo (with some of my changes, too). --- clang/lib/Headers/popcntintrin.h | 45 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 clang/lib/Headers/popcntintrin.h (limited to 'clang/lib/Headers/popcntintrin.h') diff --git a/clang/lib/Headers/popcntintrin.h b/clang/lib/Headers/popcntintrin.h new file mode 100644 index 0000000..d439daa --- /dev/null +++ b/clang/lib/Headers/popcntintrin.h @@ -0,0 +1,45 @@ +/*===---- 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 __POPCNT__ +#error "POPCNT instruction set not enabled" +#endif + +#ifndef _POPCNTINTRIN_H +#define _POPCNTINTRIN_H + +static __inline__ int __attribute__((__always_inline__, __nodebug__)) +_mm_popcnt_u32(unsigned int __A) +{ + return __builtin_popcount(__A); +} + +#ifdef __x86_64__ +static __inline__ long long __attribute__((__always_inline__, __nodebug__)) +_mm_popcnt_u64(unsigned long long __A) +{ + return __builtin_popcountll(__A); +} +#endif /* __x86_64__ */ + +#endif /* _POPCNTINTRIN_H */ -- cgit v1.2.3