sdk/build-tools/25.0.2/renderscript/clang-include/bmiintrin.h

   1 /*===---- bmiintrin.h - BMI intrinsics -------------------------------------===
   2  *
   3  * Permission is hereby granted, free of charge, to any person obtaining a copy
   4  * of this software and associated documentation files (the "Software"), to deal
   5  * in the Software without restriction, including without limitation the rights
   6  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   7  * copies of the Software, and to permit persons to whom the Software is
   8  * furnished to do so, subject to the following conditions:
   9  *
  10  * The above copyright notice and this permission notice shall be included in
  11  * all copies or substantial portions of the Software.
  12  *
  13  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  14  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  15  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  16  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  17  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  18  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  19  * THE SOFTWARE.
  20  *
  21  *===-----------------------------------------------------------------------===
  22  */
  23
  24 #if !defined __X86INTRIN_H && !defined __IMMINTRIN_H
  25 #error "Never use <bmiintrin.h> directly; include <x86intrin.h> instead."
  26 #endif
  27
  28 #ifndef __BMIINTRIN_H
  29 #define __BMIINTRIN_H
  30
  31 #define _tzcnt_u16(a)     (__tzcnt_u16((a)))
  32 #define _andn_u32(a, b)   (__andn_u32((a), (b)))
  33 /* _bextr_u32 != __bextr_u32 */
  34 #define _blsi_u32(a)      (__blsi_u32((a)))
  35 #define _blsmsk_u32(a)    (__blsmsk_u32((a)))
  36 #define _blsr_u32(a)      (__blsr_u32((a)))
  37 #define _tzcnt_u32(a)     (__tzcnt_u32((a)))
  38
  39 /* Define the default attributes for the functions in this file. */
  40 #define __DEFAULT_FN_ATTRS __attribute__((__always_inline__, __nodebug__, __target__("bmi")))
  41
  42 /* Allow using the tzcnt intrinsics even for non-BMI targets. Since the TZCNT
  43    instruction behaves as BSF on non-BMI targets, there is code that expects
  44    to use it as a potentially faster version of BSF. */
  45 #define __RELAXED_FN_ATTRS __attribute__((__always_inline__, __nodebug__))
  46
  47 static __inline__ unsigned short __RELAXED_FN_ATTRS
  48 __tzcnt_u16(unsigned short __X)
  49 {
  50   return __X ? __builtin_ctzs(__X) : 16;
  51 }
  52
  53 static __inline__ unsigned int __DEFAULT_FN_ATTRS
  54 __andn_u32(unsigned int __X, unsigned int __Y)
  55 {
  56   return ~__X & __Y;
  57 }
  58
  59 /* AMD-specified, double-leading-underscore version of BEXTR */
  60 static __inline__ unsigned int __DEFAULT_FN_ATTRS
  61 __bextr_u32(unsigned int __X, unsigned int __Y)
  62 {
  63   return __builtin_ia32_bextr_u32(__X, __Y);
  64 }
  65
  66 /* Intel-specified, single-leading-underscore version of BEXTR */
  67 static __inline__ unsigned int __DEFAULT_FN_ATTRS
  68 _bextr_u32(unsigned int __X, unsigned int __Y, unsigned int __Z)
  69 {
  70   return __builtin_ia32_bextr_u32 (__X, ((__Y & 0xff) | ((__Z & 0xff) << 8)));
  71 }
  72
  73 static __inline__ unsigned int __DEFAULT_FN_ATTRS
  74 __blsi_u32(unsigned int __X)
  75 {
  76   return __X & -__X;
  77 }
  78
  79 static __inline__ unsigned int __DEFAULT_FN_ATTRS
  80 __blsmsk_u32(unsigned int __X)
  81 {
  82   return __X ^ (__X - 1);
  83 }
  84
  85 static __inline__ unsigned int __DEFAULT_FN_ATTRS
  86 __blsr_u32(unsigned int __X)
  87 {
  88   return __X & (__X - 1);
  89 }
  90
  91 static __inline__ unsigned int __RELAXED_FN_ATTRS
  92 __tzcnt_u32(unsigned int __X)
  93 {
  94   return __X ? __builtin_ctz(__X) : 32;
  95 }
  96
  97 #ifdef __x86_64__
  98
  99 #define _andn_u64(a, b)   (__andn_u64((a), (b)))
 100 /* _bextr_u64 != __bextr_u64 */
 101 #define _blsi_u64(a)      (__blsi_u64((a)))
 102 #define _blsmsk_u64(a)    (__blsmsk_u64((a)))
 103 #define _blsr_u64(a)      (__blsr_u64((a)))
 104 #define _tzcnt_u64(a)     (__tzcnt_u64((a)))
 105
 106 static __inline__ unsigned long long __DEFAULT_FN_ATTRS
 107 __andn_u64 (unsigned long long __X, unsigned long long __Y)
 108 {
 109   return ~__X & __Y;
 110 }
 111
 112 /* AMD-specified, double-leading-underscore version of BEXTR */
 113 static __inline__ unsigned long long __DEFAULT_FN_ATTRS
 114 __bextr_u64(unsigned long long __X, unsigned long long __Y)
 115 {
 116   return __builtin_ia32_bextr_u64(__X, __Y);
 117 }
 118
 119 /* Intel-specified, single-leading-underscore version of BEXTR */
 120 static __inline__ unsigned long long __DEFAULT_FN_ATTRS
 121 _bextr_u64(unsigned long long __X, unsigned int __Y, unsigned int __Z)
 122 {
 123   return __builtin_ia32_bextr_u64 (__X, ((__Y & 0xff) | ((__Z & 0xff) << 8)));
 124 }
 125
 126 static __inline__ unsigned long long __DEFAULT_FN_ATTRS
 127 __blsi_u64(unsigned long long __X)
 128 {
 129   return __X & -__X;
 130 }
 131
 132 static __inline__ unsigned long long __DEFAULT_FN_ATTRS
 133 __blsmsk_u64(unsigned long long __X)
 134 {
 135   return __X ^ (__X - 1);
 136 }
 137
 138 static __inline__ unsigned long long __DEFAULT_FN_ATTRS
 139 __blsr_u64(unsigned long long __X)
 140 {
 141   return __X & (__X - 1);
 142 }
 143
 144 static __inline__ unsigned long long __RELAXED_FN_ATTRS
 145 __tzcnt_u64(unsigned long long __X)
 146 {
 147   return __X ? __builtin_ctzll(__X) : 64;
 148 }
 149
 150 #endif /* __x86_64__ */
 151
 152 #undef __DEFAULT_FN_ATTRS
 153 #undef __RELAXED_FN_ATTRS
 154
 155 #endif /* __BMIINTRIN_H */