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Diffstat (limited to 'clang/lib/Headers/bmiintrin.h')
-rw-r--r-- | clang/lib/Headers/bmiintrin.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/clang/lib/Headers/bmiintrin.h b/clang/lib/Headers/bmiintrin.h new file mode 100644 index 0000000..2f7db73 --- /dev/null +++ b/clang/lib/Headers/bmiintrin.h @@ -0,0 +1,115 @@ +/*===---- 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__)) +__andn_u32(unsigned int __X, unsigned int __Y) +{ + return ~__X & __Y; +} + +static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__)) +__bextr_u32(unsigned int __X, unsigned int __Y) +{ + return __builtin_ia32_bextr_u32(__X, __Y); +} + +static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__)) +__blsi_u32(unsigned int __X) +{ + return __X & -__X; +} + +static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__)) +__blsmsk_u32(unsigned int __X) +{ + return __X ^ (__X - 1); +} + +static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__)) +__blsr_u32(unsigned int __X) +{ + return __X & (__X - 1); +} + +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__)) +__andn_u64 (unsigned long long __X, unsigned long long __Y) +{ + return ~__X & __Y; +} + +static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__)) +__bextr_u64(unsigned long long __X, unsigned long long __Y) +{ + return __builtin_ia32_bextr_u64(__X, __Y); +} + +static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__)) +__blsi_u64(unsigned long long __X) +{ + return __X & -__X; +} + +static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__)) +__blsmsk_u64(unsigned long long __X) +{ + return __X ^ (__X - 1); +} + +static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__)) +__blsr_u64(unsigned long long __X) +{ + return __X & (__X - 1); +} + +static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__)) +__tzcnt64(unsigned long long __X) +{ + return __builtin_ctzll(__X); +} +#endif + +#endif /* __BMIINTRIN_H */ |