gcc/config/powerpcspe/bmiintrin.h

   1 /* Copyright (C) 2010-2017 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 /* This header is distributed to simplify porting x86_64 code that
  25    makes explicit use of Intel intrinsics to powerpc64le.
  26    It is the user's responsibility to determine if the results are
  27    acceptable and make additional changes as necessary.
  28    Note that much code that uses Intel intrinsics can be rewritten in
  29    standard C or GNU C extensions, which are more portable and better
  30    optimized across multiple targets.  */
  31
  32 #if !defined _X86INTRIN_H_INCLUDED
  33 # error "Never use <bmiintrin.h> directly; include <x86intrin.h> instead."
  34 #endif
  35
  36 #ifndef _BMIINTRIN_H_INCLUDED
  37 #define _BMIINTRIN_H_INCLUDED
  38
  39 extern __inline unsigned short __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  40 __tzcnt_u16 (unsigned short __X)
  41 {
  42   return __builtin_ctz (__X);
  43 }
  44
  45 extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  46 __andn_u32 (unsigned int __X, unsigned int __Y)
  47 {
  48   return (~__X & __Y);
  49 }
  50
  51 extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  52 _bextr_u32 (unsigned int __X, unsigned int __P, unsigned int __L)
  53 {
  54   return ((__X << (32 - (__L + __P))) >> (32 - __L));
  55 }
  56
  57 extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  58 __bextr_u32 (unsigned int __X, unsigned int __Y)
  59 {
  60   unsigned int __P, __L;
  61   __P = __Y & 0xFF;
  62   __L = (__Y >> 8) & 0xFF;
  63   return (_bextr_u32 (__X, __P, __L));
  64 }
  65
  66 extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  67 __blsi_u32 (unsigned int __X)
  68 {
  69   return (__X & -__X);
  70 }
  71
  72 extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  73 _blsi_u32 (unsigned int __X)
  74 {
  75   return __blsi_u32 (__X);
  76 }
  77
  78 extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  79 __blsmsk_u32 (unsigned int __X)
  80 {
  81   return (__X ^ (__X - 1));
  82 }
  83
  84 extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  85 _blsmsk_u32 (unsigned int __X)
  86 {
  87   return __blsmsk_u32 (__X);
  88 }
  89
  90 extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  91 __blsr_u32 (unsigned int __X)
  92 {
  93   return (__X & (__X - 1));
  94 }
  95
  96 extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
  97 _blsr_u32 (unsigned int __X)
  98 {
  99   return __blsr_u32 (__X);
 100 }
 101
 102 extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 103 __tzcnt_u32 (unsigned int __X)
 104 {
 105   return __builtin_ctz (__X);
 106 }
 107
 108 extern __inline unsigned int __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 109 _tzcnt_u32 (unsigned int __X)
 110 {
 111   return __builtin_ctz (__X);
 112 }
 113
 114 /* use the 64-bit shift, rotate, and count leading zeros instructions
 115    for long long.  */
 116 #ifdef  __PPC64__
 117 extern __inline unsigned long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 118 __andn_u64 (unsigned long long __X, unsigned long long __Y)
 119 {
 120   return (~__X & __Y);
 121 }
 122
 123 extern __inline unsigned long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 124 _bextr_u64 (unsigned long long __X, unsigned int __P, unsigned int __L)
 125 {
 126   return ((__X << (64 - (__L + __P))) >> (64 - __L));
 127 }
 128
 129 extern __inline unsigned long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 130 __bextr_u64 (unsigned long long __X, unsigned long long __Y)
 131 {
 132   unsigned int __P, __L;
 133   __P = __Y & 0xFF;
 134   __L = (__Y & 0xFF00) >> 8;
 135   return (_bextr_u64 (__X, __P, __L));
 136 }
 137
 138 extern __inline unsigned long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 139 __blsi_u64 (unsigned long long __X)
 140 {
 141   return __X & -__X;
 142 }
 143
 144 extern __inline unsigned long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 145 _blsi_u64 (unsigned long long __X)
 146 {
 147   return __blsi_u64 (__X);
 148 }
 149
 150 extern __inline unsigned long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 151 __blsmsk_u64 (unsigned long long __X)
 152 {
 153   return (__X ^ (__X - 1));
 154 }
 155
 156 extern __inline unsigned long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 157 _blsmsk_u64 (unsigned long long __X)
 158 {
 159   return __blsmsk_u64 (__X);
 160 }
 161
 162 extern __inline unsigned long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 163 __blsr_u64 (unsigned long long __X)
 164 {
 165   return (__X & (__X - 1));
 166 }
 167
 168 extern __inline unsigned long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 169 _blsr_u64 (unsigned long long __X)
 170 {
 171   return __blsr_u64 (__X);
 172 }
 173
 174 extern __inline unsigned long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 175 __tzcnt_u64 (unsigned long long __X)
 176 {
 177   return __builtin_ctzll (__X);
 178 }
 179
 180 extern __inline unsigned long long __attribute__((__gnu_inline__, __always_inline__, __artificial__))
 181 _tzcnt_u64 (unsigned long long __X)
 182 {
 183   return __builtin_ctzll (__X);
 184 }
 185 #endif /* __PPC64__  */
 186
 187 #endif /* _BMIINTRIN_H_INCLUDED */