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bmiintrin.h (5002B) - Raw

      1 /*===---- bmiintrin.h - Implementation of BMI intrinsics on PowerPC --------===
      2  *
      3  * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
      4  * See https://llvm.org/LICENSE.txt for license information.
      5  * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
      6  *
      7  *===-----------------------------------------------------------------------===
      8  */
      9 
     10 #if !defined X86GPRINTRIN_H_
     11 #error "Never use <bmiintrin.h> directly; include <x86gprintrin.h> instead."
     12 #endif
     13 
     14 #ifndef BMIINTRIN_H_
     15 #define BMIINTRIN_H_
     16 
     17 extern __inline unsigned short
     18     __attribute__((__gnu_inline__, __always_inline__, __artificial__))
     19     __tzcnt_u16(unsigned short __X) {
     20   return __builtin_ctz(__X);
     21 }
     22 
     23 extern __inline unsigned int
     24     __attribute__((__gnu_inline__, __always_inline__, __artificial__))
     25     __andn_u32(unsigned int __X, unsigned int __Y) {
     26   return (~__X & __Y);
     27 }
     28 
     29 extern __inline unsigned int
     30     __attribute__((__gnu_inline__, __always_inline__, __artificial__))
     31     _bextr_u32(unsigned int __X, unsigned int __P, unsigned int __L) {
     32   return ((__X << (32 - (__L + __P))) >> (32 - __L));
     33 }
     34 
     35 extern __inline unsigned int
     36     __attribute__((__gnu_inline__, __always_inline__, __artificial__))
     37     __bextr_u32(unsigned int __X, unsigned int __Y) {
     38   unsigned int __P, __L;
     39   __P = __Y & 0xFF;
     40   __L = (__Y >> 8) & 0xFF;
     41   return (_bextr_u32(__X, __P, __L));
     42 }
     43 
     44 extern __inline unsigned int
     45     __attribute__((__gnu_inline__, __always_inline__, __artificial__))
     46     __blsi_u32(unsigned int __X) {
     47   return (__X & -__X);
     48 }
     49 
     50 extern __inline unsigned int
     51     __attribute__((__gnu_inline__, __always_inline__, __artificial__))
     52     _blsi_u32(unsigned int __X) {
     53   return __blsi_u32(__X);
     54 }
     55 
     56 extern __inline unsigned int
     57     __attribute__((__gnu_inline__, __always_inline__, __artificial__))
     58     __blsmsk_u32(unsigned int __X) {
     59   return (__X ^ (__X - 1));
     60 }
     61 
     62 extern __inline unsigned int
     63     __attribute__((__gnu_inline__, __always_inline__, __artificial__))
     64     _blsmsk_u32(unsigned int __X) {
     65   return __blsmsk_u32(__X);
     66 }
     67 
     68 extern __inline unsigned int
     69     __attribute__((__gnu_inline__, __always_inline__, __artificial__))
     70     __blsr_u32(unsigned int __X) {
     71   return (__X & (__X - 1));
     72 }
     73 
     74 extern __inline unsigned int
     75     __attribute__((__gnu_inline__, __always_inline__, __artificial__))
     76     _blsr_u32(unsigned int __X) {
     77   return __blsr_u32(__X);
     78 }
     79 
     80 extern __inline unsigned int
     81     __attribute__((__gnu_inline__, __always_inline__, __artificial__))
     82     __tzcnt_u32(unsigned int __X) {
     83   return __builtin_ctz(__X);
     84 }
     85 
     86 extern __inline unsigned int
     87     __attribute__((__gnu_inline__, __always_inline__, __artificial__))
     88     _tzcnt_u32(unsigned int __X) {
     89   return __builtin_ctz(__X);
     90 }
     91 
     92 /* use the 64-bit shift, rotate, and count leading zeros instructions
     93    for long long.  */
     94 #ifdef __PPC64__
     95 extern __inline unsigned long long
     96     __attribute__((__gnu_inline__, __always_inline__, __artificial__))
     97     __andn_u64(unsigned long long __X, unsigned long long __Y) {
     98   return (~__X & __Y);
     99 }
    100 
    101 extern __inline unsigned long long
    102     __attribute__((__gnu_inline__, __always_inline__, __artificial__))
    103     _bextr_u64(unsigned long long __X, unsigned int __P, unsigned int __L) {
    104   return ((__X << (64 - (__L + __P))) >> (64 - __L));
    105 }
    106 
    107 extern __inline unsigned long long
    108     __attribute__((__gnu_inline__, __always_inline__, __artificial__))
    109     __bextr_u64(unsigned long long __X, unsigned long long __Y) {
    110   unsigned int __P, __L;
    111   __P = __Y & 0xFF;
    112   __L = (__Y & 0xFF00) >> 8;
    113   return (_bextr_u64(__X, __P, __L));
    114 }
    115 
    116 extern __inline unsigned long long
    117     __attribute__((__gnu_inline__, __always_inline__, __artificial__))
    118     __blsi_u64(unsigned long long __X) {
    119   return __X & -__X;
    120 }
    121 
    122 extern __inline unsigned long long
    123     __attribute__((__gnu_inline__, __always_inline__, __artificial__))
    124     _blsi_u64(unsigned long long __X) {
    125   return __blsi_u64(__X);
    126 }
    127 
    128 extern __inline unsigned long long
    129     __attribute__((__gnu_inline__, __always_inline__, __artificial__))
    130     __blsmsk_u64(unsigned long long __X) {
    131   return (__X ^ (__X - 1));
    132 }
    133 
    134 extern __inline unsigned long long
    135     __attribute__((__gnu_inline__, __always_inline__, __artificial__))
    136     _blsmsk_u64(unsigned long long __X) {
    137   return __blsmsk_u64(__X);
    138 }
    139 
    140 extern __inline unsigned long long
    141     __attribute__((__gnu_inline__, __always_inline__, __artificial__))
    142     __blsr_u64(unsigned long long __X) {
    143   return (__X & (__X - 1));
    144 }
    145 
    146 extern __inline unsigned long long
    147     __attribute__((__gnu_inline__, __always_inline__, __artificial__))
    148     _blsr_u64(unsigned long long __X) {
    149   return __blsr_u64(__X);
    150 }
    151 
    152 extern __inline unsigned long long
    153     __attribute__((__gnu_inline__, __always_inline__, __artificial__))
    154     __tzcnt_u64(unsigned long long __X) {
    155   return __builtin_ctzll(__X);
    156 }
    157 
    158 extern __inline unsigned long long
    159     __attribute__((__gnu_inline__, __always_inline__, __artificial__))
    160     _tzcnt_u64(unsigned long long __X) {
    161   return __builtin_ctzll(__X);
    162 }
    163 #endif /* __PPC64__  */
    164 
    165 #endif /* BMIINTRIN_H_ */