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_ */
166