mirror of
https://github.com/ziglang/zig.git
synced 2024-11-27 15:42:49 +00:00
91afdc58d2
closes #389
96 lines
3.1 KiB
C
96 lines
3.1 KiB
C
/*===---- bmi2intrin.h - BMI2 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 <bmi2intrin.h> directly; include <x86intrin.h> instead."
|
|
#endif
|
|
|
|
#ifndef __BMI2INTRIN_H
|
|
#define __BMI2INTRIN_H
|
|
|
|
/* Define the default attributes for the functions in this file. */
|
|
#define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("bmi2")))
|
|
|
|
static __inline__ unsigned int __DEFAULT_FN_ATTRS
|
|
_bzhi_u32(unsigned int __X, unsigned int __Y)
|
|
{
|
|
return __builtin_ia32_bzhi_si(__X, __Y);
|
|
}
|
|
|
|
static __inline__ unsigned int __DEFAULT_FN_ATTRS
|
|
_pdep_u32(unsigned int __X, unsigned int __Y)
|
|
{
|
|
return __builtin_ia32_pdep_si(__X, __Y);
|
|
}
|
|
|
|
static __inline__ unsigned int __DEFAULT_FN_ATTRS
|
|
_pext_u32(unsigned int __X, unsigned int __Y)
|
|
{
|
|
return __builtin_ia32_pext_si(__X, __Y);
|
|
}
|
|
|
|
#ifdef __x86_64__
|
|
|
|
static __inline__ unsigned long long __DEFAULT_FN_ATTRS
|
|
_bzhi_u64(unsigned long long __X, unsigned long long __Y)
|
|
{
|
|
return __builtin_ia32_bzhi_di(__X, __Y);
|
|
}
|
|
|
|
static __inline__ unsigned long long __DEFAULT_FN_ATTRS
|
|
_pdep_u64(unsigned long long __X, unsigned long long __Y)
|
|
{
|
|
return __builtin_ia32_pdep_di(__X, __Y);
|
|
}
|
|
|
|
static __inline__ unsigned long long __DEFAULT_FN_ATTRS
|
|
_pext_u64(unsigned long long __X, unsigned long long __Y)
|
|
{
|
|
return __builtin_ia32_pext_di(__X, __Y);
|
|
}
|
|
|
|
static __inline__ unsigned long long __DEFAULT_FN_ATTRS
|
|
_mulx_u64 (unsigned long long __X, unsigned long long __Y,
|
|
unsigned long long *__P)
|
|
{
|
|
unsigned __int128 __res = (unsigned __int128) __X * __Y;
|
|
*__P = (unsigned long long) (__res >> 64);
|
|
return (unsigned long long) __res;
|
|
}
|
|
|
|
#else /* !__x86_64__ */
|
|
|
|
static __inline__ unsigned int __DEFAULT_FN_ATTRS
|
|
_mulx_u32 (unsigned int __X, unsigned int __Y, unsigned int *__P)
|
|
{
|
|
unsigned long long __res = (unsigned long long) __X * __Y;
|
|
*__P = (unsigned int) (__res >> 32);
|
|
return (unsigned int) __res;
|
|
}
|
|
|
|
#endif /* !__x86_64__ */
|
|
|
|
#undef __DEFAULT_FN_ATTRS
|
|
|
|
#endif /* __BMI2INTRIN_H */
|