95 lines
3.2 KiB
C
95 lines
3.2 KiB
C
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/*===---- bmi2intrin.h - BMI2 intrinsics -----------------------------------===
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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*===-----------------------------------------------------------------------===
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*/
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#if !defined __X86INTRIN_H && !defined __IMMINTRIN_H
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#error "Never use <bmi2intrin.h> directly; include <x86intrin.h> instead."
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#endif
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#ifndef __BMI2__
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# error "BMI2 instruction set not enabled"
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#endif /* __BMI2__ */
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#ifndef __BMI2INTRIN_H
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#define __BMI2INTRIN_H
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static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__))
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_bzhi_u32(unsigned int __X, unsigned int __Y)
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{
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return __builtin_ia32_bzhi_si(__X, __Y);
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}
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static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__))
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_pdep_u32(unsigned int __X, unsigned int __Y)
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{
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return __builtin_ia32_pdep_si(__X, __Y);
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}
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static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__))
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_pext_u32(unsigned int __X, unsigned int __Y)
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{
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return __builtin_ia32_pext_si(__X, __Y);
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}
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#ifdef __x86_64__
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static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__))
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_bzhi_u64(unsigned long long __X, unsigned long long __Y)
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{
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return __builtin_ia32_bzhi_di(__X, __Y);
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}
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static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__))
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_pdep_u64(unsigned long long __X, unsigned long long __Y)
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{
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return __builtin_ia32_pdep_di(__X, __Y);
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}
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static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__))
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_pext_u64(unsigned long long __X, unsigned long long __Y)
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{
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return __builtin_ia32_pext_di(__X, __Y);
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}
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static __inline__ unsigned long long __attribute__((__always_inline__, __nodebug__))
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_mulx_u64 (unsigned long long __X, unsigned long long __Y,
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unsigned long long *__P)
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{
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unsigned __int128 __res = (unsigned __int128) __X * __Y;
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*__P = (unsigned long long) (__res >> 64);
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return (unsigned long long) __res;
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}
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#else /* !__x86_64__ */
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static __inline__ unsigned int __attribute__((__always_inline__, __nodebug__))
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_mulx_u32 (unsigned int __X, unsigned int __Y, unsigned int *__P)
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{
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unsigned long long __res = (unsigned long long) __X * __Y;
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*__P = (unsigned int) (__res >> 32);
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return (unsigned int) __res;
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}
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#endif /* !__x86_64__ */
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#endif /* __BMI2INTRIN_H */
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