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ae6b8730 RH |
1 | /* strcspn (str, ss) -- Return the length of the initial segment of STR |
2 | which contains no characters from SS. | |
3 | For SPARC v9. | |
6d7e8eda | 4 | Copyright (C) 1999-2023 Free Software Foundation, Inc. |
ae6b8730 | 5 | This file is part of the GNU C Library. |
ae6b8730 RH |
6 | |
7 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
8 | modify it under the terms of the GNU Lesser General Public |
9 | License as published by the Free Software Foundation; either | |
10 | version 2.1 of the License, or (at your option) any later version. | |
ae6b8730 RH |
11 | |
12 | The GNU C Library is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 15 | Lesser General Public License for more details. |
ae6b8730 | 16 | |
41bdb6e2 | 17 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 18 | License along with the GNU C Library; if not, see |
5a82c748 | 19 | <https://www.gnu.org/licenses/>. */ |
ae6b8730 RH |
20 | |
21 | #include <sysdep.h> | |
22 | #include <asm/asi.h> | |
23 | #ifndef XCC | |
24 | #define XCC xcc | |
25 | #define STACK_SIZE 128 | |
26 | #define STACK_OFFSET 128+0x7ff | |
8cb079d4 | 27 | .register %g2, #scratch |
ae6b8730 RH |
28 | #else |
29 | #define STACK_SIZE 64 | |
30 | #define STACK_OFFSET 64 | |
31 | #endif | |
32 | ||
33 | .text | |
34 | .align 32 | |
35 | ENTRY(strcspn) | |
36 | sub %sp, STACK_SIZE+32, %sp /* IEU0 Group */ | |
37 | mov 1, %o4 /* IEU1 */ | |
38 | stx %o4, [%sp + STACK_OFFSET] /* Store Group */ | |
8cb079d4 | 39 | mov %o0, %g4 /* IEU0 */ |
ae6b8730 RH |
40 | |
41 | stx %g0, [%sp + STACK_OFFSET + 8] /* Store Group */ | |
42 | add %sp, STACK_OFFSET, %o5 /* IEU0 */ | |
43 | stx %g0, [%sp + STACK_OFFSET + 16] /* Store Group */ | |
44 | stx %g0, [%sp + STACK_OFFSET + 24] /* Store Group */ | |
45 | ||
46 | 1: ldub [%o1], %o2 /* Load Group */ | |
47 | brz,pn %o2, 2f /* CTI+IEU1 Group */ | |
48 | srl %o2, 3, %o3 /* IEU0 */ | |
49 | and %o3, 0x18, %o3 /* IEU0 Group */ | |
50 | ||
51 | and %o2, 0x3f, %o2 /* IEU1 */ | |
52 | ldx [%o5 + %o3], %g2 /* Load Group */ | |
53 | sllx %o4, %o2, %g1 /* IEU0 */ | |
54 | add %o1, 1, %o1 /* IEU1 */ | |
55 | ||
56 | or %g2, %g1, %g2 /* IEU0 Group */ | |
57 | ba,pt %xcc, 1b /* CTI */ | |
58 | stx %g2, [%o5 + %o3] /* Store */ | |
59 | 2: andcc %o0, 7, %g0 /* IEU1 Group */ | |
60 | ||
61 | be,a,pt %xcc, 4f /* CTI */ | |
62 | ldx [%o0], %o2 /* Load */ | |
63 | ldub [%o0], %o2 /* Load Group */ | |
64 | 3: srl %o2, 3, %o3 /* IEU0 Group */ | |
65 | ||
66 | and %o2, 0x3f, %o2 /* IEU1 */ | |
67 | and %o3, 0x18, %o3 /* IEU0 Group */ | |
68 | ldx [%o5 + %o3], %g2 /* Load Group */ | |
69 | sllx %o4, %o2, %g1 /* IEU0 */ | |
70 | ||
71 | add %o0, 1, %o0 /* IEU1 */ | |
72 | andcc %g2, %g1, %g0 /* IEU1 Group */ | |
73 | bne,pn %xcc, 12f /* CTI */ | |
74 | andcc %o0, 7, %g0 /* IEU1 Group */ | |
75 | ||
76 | bne,a,pt %icc, 3b /* CTI */ | |
77 | ldub [%o0], %o2 /* Load */ | |
78 | ldx [%o0], %o2 /* Load Group */ | |
79 | 4: srlx %o2, 59, %o3 /* IEU0 Group */ | |
80 | ||
8cb079d4 | 81 | srlx %o2, 56, %g5 /* IEU0 Group */ |
ae6b8730 | 82 | 5: and %o3, 0x18, %o3 /* IEU1 */ |
8cb079d4 | 83 | andcc %g5, 0x3f, %g5 /* IEU1 Group */ |
ae6b8730 RH |
84 | ldx [%o5 + %o3], %g2 /* Load */ |
85 | ||
86 | srlx %o2, 51, %o3 /* IEU0 */ | |
8cb079d4 UD |
87 | sllx %o4, %g5, %g1 /* IEU0 Group */ |
88 | srlx %o2, 48, %g5 /* IEU0 Group */ | |
ae6b8730 RH |
89 | andcc %g2, %g1, %g2 /* IEU1 */ |
90 | ||
91 | bne,pn %xcc, 13f /* CTI */ | |
92 | and %o3, 0x18, %o3 /* IEU0 Group */ | |
8cb079d4 | 93 | and %g5, 0x3f, %g5 /* IEU1 */ |
ae6b8730 RH |
94 | ldx [%o5 + %o3], %g2 /* Load Group */ |
95 | ||
96 | srlx %o2, 43, %o3 /* IEU0 */ | |
8cb079d4 UD |
97 | sllx %o4, %g5, %g1 /* IEU0 Group */ |
98 | srlx %o2, 40, %g5 /* IEU0 Group */ | |
ae6b8730 RH |
99 | andcc %g2, %g1, %g2 /* IEU1 */ |
100 | ||
101 | bne,pn %xcc, 14f /* CTI */ | |
102 | and %o3, 0x18, %o3 /* IEU0 Group */ | |
8cb079d4 | 103 | and %g5, 0x3f, %g5 /* IEU1 */ |
ae6b8730 RH |
104 | ldx [%o5 + %o3], %g2 /* Load Group */ |
105 | ||
106 | srlx %o2, 35, %o3 /* IEU0 */ | |
8cb079d4 UD |
107 | sllx %o4, %g5, %g1 /* IEU0 Group */ |
108 | srlx %o2, 32, %g5 /* IEU0 Group */ | |
ae6b8730 RH |
109 | andcc %g2, %g1, %g2 /* IEU1 */ |
110 | ||
111 | bne,pn %xcc, 15f /* CTI */ | |
112 | and %o3, 0x18, %o3 /* IEU0 Group */ | |
8cb079d4 | 113 | and %g5, 0x3f, %g5 /* IEU1 */ |
ae6b8730 RH |
114 | ldx [%o5 + %o3], %g2 /* Load Group */ |
115 | ||
116 | srlx %o2, 27, %o3 /* IEU0 */ | |
8cb079d4 UD |
117 | sllx %o4, %g5, %g1 /* IEU0 Group */ |
118 | srlx %o2, 24, %g5 /* IEU0 Group */ | |
ae6b8730 RH |
119 | andcc %g2, %g1, %g2 /* IEU1 */ |
120 | ||
121 | bne,pn %xcc, 16f /* CTI */ | |
122 | and %o3, 0x18, %o3 /* IEU0 Group */ | |
8cb079d4 | 123 | and %g5, 0x3f, %g5 /* IEU1 */ |
ae6b8730 RH |
124 | ldx [%o5 + %o3], %g2 /* Load Group */ |
125 | ||
126 | srlx %o2, 19, %o3 /* IEU0 */ | |
8cb079d4 UD |
127 | sllx %o4, %g5, %g1 /* IEU0 Group */ |
128 | srlx %o2, 16, %g5 /* IEU0 Group */ | |
ae6b8730 RH |
129 | andcc %g2, %g1, %g2 /* IEU1 */ |
130 | ||
131 | bne,pn %xcc, 17f /* CTI */ | |
132 | and %o3, 0x18, %o3 /* IEU0 Group */ | |
8cb079d4 | 133 | and %g5, 0x3f, %g5 /* IEU1 */ |
ae6b8730 RH |
134 | ldx [%o5 + %o3], %g2 /* Load Group */ |
135 | ||
136 | srlx %o2, 11, %o3 /* IEU0 */ | |
8cb079d4 | 137 | sllx %o4, %g5, %g1 /* IEU0 Group */ |
ae6b8730 | 138 | add %o0, 8, %o0 /* IEU1 */ |
8cb079d4 | 139 | srlx %o2, 8, %g5 /* IEU0 Group */ |
ae6b8730 RH |
140 | |
141 | andcc %g2, %g1, %g2 /* IEU1 */ | |
142 | bne,pn %xcc, 18f /* CTI */ | |
143 | and %o3, 0x18, %o3 /* IEU0 Group */ | |
8cb079d4 | 144 | and %g5, 0x3f, %g5 /* IEU1 */ |
ae6b8730 RH |
145 | |
146 | ldx [%o5 + %o3], %g2 /* Load Group */ | |
8cb079d4 UD |
147 | sllx %o4, %g5, %g1 /* IEU0 */ |
148 | mov %o2, %g5 /* IEU1 */ | |
ae6b8730 RH |
149 | srlx %o2, 3, %o3 /* IEU0 Group */ |
150 | ||
151 | ldxa [%o0] ASI_PNF, %o2 /* Load */ | |
152 | andcc %g2, %g1, %g2 /* IEU1 Group */ | |
153 | bne,pn %xcc, 19f /* CTI */ | |
154 | and %o3, 0x18, %o3 /* IEU0 Group */ | |
155 | ||
8cb079d4 | 156 | and %g5, 0x3f, %g5 /* IEU1 */ |
ae6b8730 | 157 | ldx [%o5 + %o3], %g2 /* Load Group */ |
8cb079d4 | 158 | sllx %o4, %g5, %g1 /* IEU0 */ |
ae6b8730 RH |
159 | srlx %o2, 59, %o3 /* IEU0 Group */ |
160 | ||
161 | andcc %g2, %g1, %g2 /* IEU1 Group */ | |
162 | be,pt %xcc, 5b /* CTI */ | |
8cb079d4 | 163 | srlx %o2, 56, %g5 /* IEU0 Group */ |
ae6b8730 RH |
164 | sub %o0, 1, %o0 /* IEU1 */ |
165 | ||
166 | add %sp, STACK_SIZE+32, %sp /* IEU0 Group */ | |
167 | retl /* CTI+IEU1 Group */ | |
8cb079d4 | 168 | sub %o0, %g4, %o0 /* IEU0 */ |
ae6b8730 RH |
169 | |
170 | .align 16 | |
171 | 19: sub %o0, 2, %o0 /* IEU1 */ | |
172 | add %sp, STACK_SIZE+32, %sp /* IEU0 Group */ | |
173 | retl /* CTI+IEU1 Group */ | |
8cb079d4 | 174 | sub %o0, %g4, %o0 /* IEU0 */ |
ae6b8730 RH |
175 | |
176 | 18: sub %o0, 3, %o0 /* IEU1 */ | |
177 | add %sp, STACK_SIZE+32, %sp /* IEU0 Group */ | |
178 | retl /* CTI+IEU1 Group */ | |
8cb079d4 | 179 | sub %o0, %g4, %o0 /* IEU0 */ |
ae6b8730 RH |
180 | |
181 | 17: add %o0, 4, %o0 /* IEU1 */ | |
182 | add %sp, STACK_SIZE+32, %sp /* IEU0 Group */ | |
183 | retl /* CTI+IEU1 Group */ | |
8cb079d4 | 184 | sub %o0, %g4, %o0 /* IEU0 */ |
ae6b8730 RH |
185 | |
186 | 16: add %o0, 3, %o0 /* IEU1 */ | |
187 | add %sp, STACK_SIZE+32, %sp /* IEU0 Group */ | |
188 | retl /* CTI+IEU1 Group */ | |
8cb079d4 | 189 | sub %o0, %g4, %o0 /* IEU0 */ |
ae6b8730 RH |
190 | |
191 | 15: add %o0, 2, %o0 /* IEU1 */ | |
192 | add %sp, STACK_SIZE+32, %sp /* IEU0 Group */ | |
193 | retl /* CTI+IEU1 Group */ | |
8cb079d4 | 194 | sub %o0, %g4, %o0 /* IEU0 */ |
ae6b8730 RH |
195 | |
196 | 14: add %o0, 1, %o0 /* IEU1 */ | |
197 | add %sp, STACK_SIZE+32, %sp /* IEU0 Group */ | |
198 | retl /* CTI+IEU1 Group */ | |
8cb079d4 | 199 | sub %o0, %g4, %o0 /* IEU0 */ |
ae6b8730 RH |
200 | |
201 | 13: add %sp, STACK_SIZE+32, %sp /* IEU1 */ | |
202 | retl /* CTI+IEU1 Group */ | |
8cb079d4 | 203 | sub %o0, %g4, %o0 /* IEU0 */ |
ae6b8730 RH |
204 | |
205 | .align 16 | |
206 | 12: sub %o0, 1, %o0 /* IEU0 Group */ | |
207 | add %sp, STACK_SIZE+32, %sp /* IEU1 */ | |
208 | retl /* CTI+IEU1 Group */ | |
8cb079d4 | 209 | sub %o0, %g4, %o0 /* IEU0 */ |
ae6b8730 | 210 | END(strcspn) |
85dd1003 | 211 | libc_hidden_builtin_def (strcspn) |