gcc/config/i386/bmi2intrin.h

   1 /* Copyright (C) 2011-2014 Free Software Foundation, Inc.
   2
   3    This file is part of GCC.
   4
   5    GCC is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3, or (at your option)
   8    any later version.
   9
  10    GCC is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    Under Section 7 of GPL version 3, you are granted additional
  16    permissions described in the GCC Runtime Library Exception, version
  17    3.1, as published by the Free Software Foundation.
  18
  19    You should have received a copy of the GNU General Public License and
  20    a copy of the GCC Runtime Library Exception along with this program;
  21    see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  22    <http://www.gnu.org/licenses/>.  */
  23
  24 #if !defined _X86INTRIN_H_INCLUDED && !defined _IMMINTRIN_H_INCLUDED
  25 # error "Never use <bmi2intrin.h> directly; include <x86intrin.h> instead."
  26 #endif
  27
  28 #ifndef _BMI2INTRIN_H_INCLUDED
  29 #define _BMI2INTRIN_H_INCLUDED
  30
  31 #ifndef __BMI2__
  32 #pragma GCC push_options
  33 #pragma GCC target("bmi2")
  34 #define __DISABLE_BMI2__
  35 #endif /* __BMI2__ */
  36
  37 extern __inline unsigned int
  38 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  39 _bzhi_u32 (unsigned int __X, unsigned int __Y)
  40 {
  41   return __builtin_ia32_bzhi_si (__X, __Y);
  42 }
  43
  44 extern __inline unsigned int
  45 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  46 _pdep_u32 (unsigned int __X, unsigned int __Y)
  47 {
  48   return __builtin_ia32_pdep_si (__X, __Y);
  49 }
  50
  51 extern __inline unsigned int
  52 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  53 _pext_u32 (unsigned int __X, unsigned int __Y)
  54 {
  55   return __builtin_ia32_pext_si (__X, __Y);
  56 }
  57
  58 #ifdef  __x86_64__
  59
  60 extern __inline unsigned long long
  61 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  62 _bzhi_u64 (unsigned long long __X, unsigned long long __Y)
  63 {
  64   return __builtin_ia32_bzhi_di (__X, __Y);
  65 }
  66
  67 extern __inline unsigned long long
  68 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  69 _pdep_u64 (unsigned long long __X, unsigned long long __Y)
  70 {
  71   return __builtin_ia32_pdep_di (__X, __Y);
  72 }
  73
  74 extern __inline unsigned long long
  75 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  76 _pext_u64 (unsigned long long __X, unsigned long long __Y)
  77 {
  78   return __builtin_ia32_pext_di (__X, __Y);
  79 }
  80
  81 extern __inline unsigned long long
  82 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  83 _mulx_u64 (unsigned long long __X, unsigned long long __Y,
  84            unsigned long long *__P)
  85 {
  86   unsigned __int128 __res = (unsigned __int128) __X * __Y;
  87   *__P = (unsigned long long) (__res >> 64);
  88   return (unsigned long long) __res;
  89 }
  90
  91 #else /* !__x86_64__ */
  92
  93 extern __inline unsigned int
  94 __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  95 _mulx_u32 (unsigned int __X, unsigned int __Y, unsigned int *__P)
  96 {
  97   unsigned long long __res = (unsigned long long) __X * __Y;
  98   *__P = (unsigned int) (__res >> 32);
  99   return (unsigned int) __res;
 100 }
 101
 102 #endif /* !__x86_64__  */
 103
 104 #ifdef __DISABLE_BMI2__
 105 #undef __DISABLE_BMI2__
 106 #pragma GCC pop_options
 107 #endif /* __DISABLE_BMI2__ */
 108
 109 #endif /* _BMI2INTRIN_H_INCLUDED */