diff options
author | Craig Topper <craig.topper@gmail.com> | 2011-12-25 06:25:37 +0000 |
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committer | Craig Topper <craig.topper@gmail.com> | 2011-12-25 06:25:37 +0000 |
commit | 5c75208a5b88c835bce0a1671015c7e22c72f35f (patch) | |
tree | 4886d89ad0ff5686c935fe5f61d64b7449b60e49 /lib/Headers | |
parent | 31ceea096563c42e083eded27f6fe19ed244c0a1 (diff) |
Add intrinsics for lzcnt and tzcnt instructions.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147263 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Headers')
-rw-r--r-- | lib/Headers/bmiintrin.h | 55 | ||||
-rw-r--r-- | lib/Headers/immintrin.h | 8 | ||||
-rw-r--r-- | lib/Headers/lzcntintrin.h | 55 | ||||
-rw-r--r-- | lib/Headers/x86intrin.h | 8 |
4 files changed, 126 insertions, 0 deletions
diff --git a/lib/Headers/bmiintrin.h b/lib/Headers/bmiintrin.h new file mode 100644 index 0000000000..f2aae6549c --- /dev/null +++ b/lib/Headers/bmiintrin.h @@ -0,0 +1,55 @@ +/*===---- bmiintrin.h - BMI 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. + * + *===-----------------------------------------------------------------------=== + */ + +#if !defined __X86INTRIN_H && !defined __IMMINTRIN_H +#error "Never use <bmiintrin.h> directly; include <x86intrin.h> instead." +#endif + +#ifndef __BMI__ +# error "BMI instruction set not enabled" +#endif /* __BMI__ */ + +#ifndef __BMIINTRIN_H +#define __BMIINTRIN_H + +static __inline__ unsigned short __attribute__((__always_inline__, __nodebug__)) +__tzcnt16(unsigned short __X) +{ + return __builtin_ctzs(__X); +} + +static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__)) +__tzcnt32(unsigned int __X) +{ + return __builtin_ctz(__X); +} + +#ifdef __x86_64__ +static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__)) +__tzcnt64(unsigned long long __X) +{ + return __builtin_ctzll(__X); +} +#endif + +#endif /* __BMIINTRIN_H */ diff --git a/lib/Headers/immintrin.h b/lib/Headers/immintrin.h index 53838ec78b..74999231b9 100644 --- a/lib/Headers/immintrin.h +++ b/lib/Headers/immintrin.h @@ -60,4 +60,12 @@ #include <avx2intrin.h> #endif +#ifdef __BMI__ +#include <bmiintrin.h> +#endif + +#ifdef __LZCNT__ +#include <lzcntintrin.h> +#endif + #endif /* __IMMINTRIN_H */ diff --git a/lib/Headers/lzcntintrin.h b/lib/Headers/lzcntintrin.h new file mode 100644 index 0000000000..62ab5ca2f3 --- /dev/null +++ b/lib/Headers/lzcntintrin.h @@ -0,0 +1,55 @@ +/*===---- lzcntintrin.h - LZCNT 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. + * + *===-----------------------------------------------------------------------=== + */ + +#if !defined __X86INTRIN_H && !defined __IMMINTRIN_H +#error "Never use <lzcntintrin.h> directly; include <x86intrin.h> instead." +#endif + +#ifndef __LZCNT__ +# error "LZCNT instruction is not enabled" +#endif /* __LZCNT__ */ + +#ifndef __LZCNTINTRIN_H +#define __LZCNTINTRIN_H + +static __inline__ unsigned short __attribute__((__always_inline__, __nodebug__)) +__lzcnt16(unsigned short __X) +{ + return __builtin_clzs(__X); +} + +static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__)) +__lzcnt32(unsigned int __X) +{ + return __builtin_clz(__X); +} + +#ifdef __x86_64__ +static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__)) +__lzcnt64(unsigned long long __X) +{ + return __builtin_clzll(__X); +} +#endif + +#endif /* __LZCNTINTRIN_H */ diff --git a/lib/Headers/x86intrin.h b/lib/Headers/x86intrin.h index e5e7a6a2b3..c4baebe74e 100644 --- a/lib/Headers/x86intrin.h +++ b/lib/Headers/x86intrin.h @@ -26,6 +26,14 @@ #include <immintrin.h> +#ifdef __BMI__ +#include <bmiintrin.h> +#endif + +#ifdef __LZCNT__ +#include <lzcntintrin.h> +#endif + // FIXME: SSE4A, 3dNOW, FMA4, XOP, LWP, ABM, POPCNT #endif /* __X86INTRIN_H */ |