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99dee823 | 1 | /* Copyright (C) 2010-2021 Free Software Foundation, Inc. |
b76f1550 SM |
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 */ |