154 lines
4.5 KiB
C
154 lines
4.5 KiB
C
/*===---- bmiintrin.h - BMI 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 <bmiintrin.h> directly; include <x86intrin.h> instead."
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#endif
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#ifndef __BMI__
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# error "BMI instruction set not enabled"
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#endif /* __BMI__ */
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#ifndef __BMIINTRIN_H
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#define __BMIINTRIN_H
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#define _tzcnt_u16(a) (__tzcnt_u16((a)))
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#define _andn_u32(a, b) (__andn_u32((a), (b)))
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/* _bextr_u32 != __bextr_u32 */
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#define _blsi_u32(a) (__blsi_u32((a)))
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#define _blsmsk_u32(a) (__blsmsk_u32((a)))
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#define _blsr_u32(a) (__blsr_u32((a)))
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#define _tzcnt_u32(a) (__tzcnt_u32((a)))
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/* Define the default attributes for the functions in this file. */
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#define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__))
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static __inline__ unsigned short __DEFAULT_FN_ATTRS
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__tzcnt_u16(unsigned short __X)
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{
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return __X ? __builtin_ctzs(__X) : 16;
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}
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static __inline__ unsigned int __DEFAULT_FN_ATTRS
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__andn_u32(unsigned int __X, unsigned int __Y)
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{
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return ~__X & __Y;
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}
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/* AMD-specified, double-leading-underscore version of BEXTR */
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static __inline__ unsigned int __DEFAULT_FN_ATTRS
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__bextr_u32(unsigned int __X, unsigned int __Y)
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{
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return __builtin_ia32_bextr_u32(__X, __Y);
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}
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/* Intel-specified, single-leading-underscore version of BEXTR */
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static __inline__ unsigned int __DEFAULT_FN_ATTRS
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_bextr_u32(unsigned int __X, unsigned int __Y, unsigned int __Z)
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{
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return __builtin_ia32_bextr_u32 (__X, ((__Y & 0xff) | ((__Z & 0xff) << 8)));
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}
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static __inline__ unsigned int __DEFAULT_FN_ATTRS
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__blsi_u32(unsigned int __X)
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{
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return __X & -__X;
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}
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static __inline__ unsigned int __DEFAULT_FN_ATTRS
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__blsmsk_u32(unsigned int __X)
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{
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return __X ^ (__X - 1);
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}
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static __inline__ unsigned int __DEFAULT_FN_ATTRS
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__blsr_u32(unsigned int __X)
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{
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return __X & (__X - 1);
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}
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static __inline__ unsigned int __DEFAULT_FN_ATTRS
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__tzcnt_u32(unsigned int __X)
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{
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return __X ? __builtin_ctz(__X) : 32;
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}
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#ifdef __x86_64__
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#define _andn_u64(a, b) (__andn_u64((a), (b)))
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/* _bextr_u64 != __bextr_u64 */
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#define _blsi_u64(a) (__blsi_u64((a)))
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#define _blsmsk_u64(a) (__blsmsk_u64((a)))
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#define _blsr_u64(a) (__blsr_u64((a)))
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#define _tzcnt_u64(a) (__tzcnt_u64((a)))
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static __inline__ unsigned long long __DEFAULT_FN_ATTRS
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__andn_u64 (unsigned long long __X, unsigned long long __Y)
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{
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return ~__X & __Y;
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}
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/* AMD-specified, double-leading-underscore version of BEXTR */
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static __inline__ unsigned long long __DEFAULT_FN_ATTRS
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__bextr_u64(unsigned long long __X, unsigned long long __Y)
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{
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return __builtin_ia32_bextr_u64(__X, __Y);
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}
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/* Intel-specified, single-leading-underscore version of BEXTR */
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static __inline__ unsigned long long __DEFAULT_FN_ATTRS
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_bextr_u64(unsigned long long __X, unsigned int __Y, unsigned int __Z)
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{
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return __builtin_ia32_bextr_u64 (__X, ((__Y & 0xff) | ((__Z & 0xff) << 8)));
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}
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static __inline__ unsigned long long __DEFAULT_FN_ATTRS
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__blsi_u64(unsigned long long __X)
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{
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return __X & -__X;
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}
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static __inline__ unsigned long long __DEFAULT_FN_ATTRS
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__blsmsk_u64(unsigned long long __X)
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{
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return __X ^ (__X - 1);
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}
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static __inline__ unsigned long long __DEFAULT_FN_ATTRS
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__blsr_u64(unsigned long long __X)
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{
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return __X & (__X - 1);
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}
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static __inline__ unsigned long long __DEFAULT_FN_ATTRS
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__tzcnt_u64(unsigned long long __X)
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{
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return __X ? __builtin_ctzll(__X) : 64;
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}
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#endif /* __x86_64__ */
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#undef __DEFAULT_FN_ATTRS
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#endif /* __BMIINTRIN_H */
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