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1 | /* strcspn (str, ss) -- Return the length of the initial segment of STR |
2 | which contains no characters from SS. | |
3 | For SPARC v9. | |
d614a753 | 4 | Copyright (C) 1999-2020 Free Software Foundation, Inc. |
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5 | This file is part of the GNU C Library. |
6 | Contributed by Jakub Jelinek <jj@ultra.linux.cz> | |
7 | ||
8 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
9 | modify it under the terms of the GNU Lesser General Public |
10 | License as published by the Free Software Foundation; either | |
11 | version 2.1 of the License, or (at your option) any later version. | |
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12 | |
13 | The GNU C Library is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 16 | Lesser General Public License for more details. |
ae6b8730 | 17 | |
41bdb6e2 | 18 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 19 | License along with the GNU C Library; if not, see |
5a82c748 | 20 | <https://www.gnu.org/licenses/>. */ |
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21 | |
22 | #include <sysdep.h> | |
23 | #include <asm/asi.h> | |
24 | #ifndef XCC | |
25 | #define XCC xcc | |
26 | #define STACK_SIZE 128 | |
27 | #define STACK_OFFSET 128+0x7ff | |
8cb079d4 | 28 | .register %g2, #scratch |
ae6b8730 RH |
29 | #else |
30 | #define STACK_SIZE 64 | |
31 | #define STACK_OFFSET 64 | |
32 | #endif | |
33 | ||
34 | .text | |
35 | .align 32 | |
36 | ENTRY(strcspn) | |
37 | sub %sp, STACK_SIZE+32, %sp /* IEU0 Group */ | |
38 | mov 1, %o4 /* IEU1 */ | |
39 | stx %o4, [%sp + STACK_OFFSET] /* Store Group */ | |
8cb079d4 | 40 | mov %o0, %g4 /* IEU0 */ |
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41 | |
42 | stx %g0, [%sp + STACK_OFFSET + 8] /* Store Group */ | |
43 | add %sp, STACK_OFFSET, %o5 /* IEU0 */ | |
44 | stx %g0, [%sp + STACK_OFFSET + 16] /* Store Group */ | |
45 | stx %g0, [%sp + STACK_OFFSET + 24] /* Store Group */ | |
46 | ||
47 | 1: ldub [%o1], %o2 /* Load Group */ | |
48 | brz,pn %o2, 2f /* CTI+IEU1 Group */ | |
49 | srl %o2, 3, %o3 /* IEU0 */ | |
50 | and %o3, 0x18, %o3 /* IEU0 Group */ | |
51 | ||
52 | and %o2, 0x3f, %o2 /* IEU1 */ | |
53 | ldx [%o5 + %o3], %g2 /* Load Group */ | |
54 | sllx %o4, %o2, %g1 /* IEU0 */ | |
55 | add %o1, 1, %o1 /* IEU1 */ | |
56 | ||
57 | or %g2, %g1, %g2 /* IEU0 Group */ | |
58 | ba,pt %xcc, 1b /* CTI */ | |
59 | stx %g2, [%o5 + %o3] /* Store */ | |
60 | 2: andcc %o0, 7, %g0 /* IEU1 Group */ | |
61 | ||
62 | be,a,pt %xcc, 4f /* CTI */ | |
63 | ldx [%o0], %o2 /* Load */ | |
64 | ldub [%o0], %o2 /* Load Group */ | |
65 | 3: srl %o2, 3, %o3 /* IEU0 Group */ | |
66 | ||
67 | and %o2, 0x3f, %o2 /* IEU1 */ | |
68 | and %o3, 0x18, %o3 /* IEU0 Group */ | |
69 | ldx [%o5 + %o3], %g2 /* Load Group */ | |
70 | sllx %o4, %o2, %g1 /* IEU0 */ | |
71 | ||
72 | add %o0, 1, %o0 /* IEU1 */ | |
73 | andcc %g2, %g1, %g0 /* IEU1 Group */ | |
74 | bne,pn %xcc, 12f /* CTI */ | |
75 | andcc %o0, 7, %g0 /* IEU1 Group */ | |
76 | ||
77 | bne,a,pt %icc, 3b /* CTI */ | |
78 | ldub [%o0], %o2 /* Load */ | |
79 | ldx [%o0], %o2 /* Load Group */ | |
80 | 4: srlx %o2, 59, %o3 /* IEU0 Group */ | |
81 | ||
8cb079d4 | 82 | srlx %o2, 56, %g5 /* IEU0 Group */ |
ae6b8730 | 83 | 5: and %o3, 0x18, %o3 /* IEU1 */ |
8cb079d4 | 84 | andcc %g5, 0x3f, %g5 /* IEU1 Group */ |
ae6b8730 RH |
85 | ldx [%o5 + %o3], %g2 /* Load */ |
86 | ||
87 | srlx %o2, 51, %o3 /* IEU0 */ | |
8cb079d4 UD |
88 | sllx %o4, %g5, %g1 /* IEU0 Group */ |
89 | srlx %o2, 48, %g5 /* IEU0 Group */ | |
ae6b8730 RH |
90 | andcc %g2, %g1, %g2 /* IEU1 */ |
91 | ||
92 | bne,pn %xcc, 13f /* CTI */ | |
93 | and %o3, 0x18, %o3 /* IEU0 Group */ | |
8cb079d4 | 94 | and %g5, 0x3f, %g5 /* IEU1 */ |
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95 | ldx [%o5 + %o3], %g2 /* Load Group */ |
96 | ||
97 | srlx %o2, 43, %o3 /* IEU0 */ | |
8cb079d4 UD |
98 | sllx %o4, %g5, %g1 /* IEU0 Group */ |
99 | srlx %o2, 40, %g5 /* IEU0 Group */ | |
ae6b8730 RH |
100 | andcc %g2, %g1, %g2 /* IEU1 */ |
101 | ||
102 | bne,pn %xcc, 14f /* CTI */ | |
103 | and %o3, 0x18, %o3 /* IEU0 Group */ | |
8cb079d4 | 104 | and %g5, 0x3f, %g5 /* IEU1 */ |
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105 | ldx [%o5 + %o3], %g2 /* Load Group */ |
106 | ||
107 | srlx %o2, 35, %o3 /* IEU0 */ | |
8cb079d4 UD |
108 | sllx %o4, %g5, %g1 /* IEU0 Group */ |
109 | srlx %o2, 32, %g5 /* IEU0 Group */ | |
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110 | andcc %g2, %g1, %g2 /* IEU1 */ |
111 | ||
112 | bne,pn %xcc, 15f /* CTI */ | |
113 | and %o3, 0x18, %o3 /* IEU0 Group */ | |
8cb079d4 | 114 | and %g5, 0x3f, %g5 /* IEU1 */ |
ae6b8730 RH |
115 | ldx [%o5 + %o3], %g2 /* Load Group */ |
116 | ||
117 | srlx %o2, 27, %o3 /* IEU0 */ | |
8cb079d4 UD |
118 | sllx %o4, %g5, %g1 /* IEU0 Group */ |
119 | srlx %o2, 24, %g5 /* IEU0 Group */ | |
ae6b8730 RH |
120 | andcc %g2, %g1, %g2 /* IEU1 */ |
121 | ||
122 | bne,pn %xcc, 16f /* CTI */ | |
123 | and %o3, 0x18, %o3 /* IEU0 Group */ | |
8cb079d4 | 124 | and %g5, 0x3f, %g5 /* IEU1 */ |
ae6b8730 RH |
125 | ldx [%o5 + %o3], %g2 /* Load Group */ |
126 | ||
127 | srlx %o2, 19, %o3 /* IEU0 */ | |
8cb079d4 UD |
128 | sllx %o4, %g5, %g1 /* IEU0 Group */ |
129 | srlx %o2, 16, %g5 /* IEU0 Group */ | |
ae6b8730 RH |
130 | andcc %g2, %g1, %g2 /* IEU1 */ |
131 | ||
132 | bne,pn %xcc, 17f /* CTI */ | |
133 | and %o3, 0x18, %o3 /* IEU0 Group */ | |
8cb079d4 | 134 | and %g5, 0x3f, %g5 /* IEU1 */ |
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135 | ldx [%o5 + %o3], %g2 /* Load Group */ |
136 | ||
137 | srlx %o2, 11, %o3 /* IEU0 */ | |
8cb079d4 | 138 | sllx %o4, %g5, %g1 /* IEU0 Group */ |
ae6b8730 | 139 | add %o0, 8, %o0 /* IEU1 */ |
8cb079d4 | 140 | srlx %o2, 8, %g5 /* IEU0 Group */ |
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141 | |
142 | andcc %g2, %g1, %g2 /* IEU1 */ | |
143 | bne,pn %xcc, 18f /* CTI */ | |
144 | and %o3, 0x18, %o3 /* IEU0 Group */ | |
8cb079d4 | 145 | and %g5, 0x3f, %g5 /* IEU1 */ |
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146 | |
147 | ldx [%o5 + %o3], %g2 /* Load Group */ | |
8cb079d4 UD |
148 | sllx %o4, %g5, %g1 /* IEU0 */ |
149 | mov %o2, %g5 /* IEU1 */ | |
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150 | srlx %o2, 3, %o3 /* IEU0 Group */ |
151 | ||
152 | ldxa [%o0] ASI_PNF, %o2 /* Load */ | |
153 | andcc %g2, %g1, %g2 /* IEU1 Group */ | |
154 | bne,pn %xcc, 19f /* CTI */ | |
155 | and %o3, 0x18, %o3 /* IEU0 Group */ | |
156 | ||
8cb079d4 | 157 | and %g5, 0x3f, %g5 /* IEU1 */ |
ae6b8730 | 158 | ldx [%o5 + %o3], %g2 /* Load Group */ |
8cb079d4 | 159 | sllx %o4, %g5, %g1 /* IEU0 */ |
ae6b8730 RH |
160 | srlx %o2, 59, %o3 /* IEU0 Group */ |
161 | ||
162 | andcc %g2, %g1, %g2 /* IEU1 Group */ | |
163 | be,pt %xcc, 5b /* CTI */ | |
8cb079d4 | 164 | srlx %o2, 56, %g5 /* IEU0 Group */ |
ae6b8730 RH |
165 | sub %o0, 1, %o0 /* IEU1 */ |
166 | ||
167 | add %sp, STACK_SIZE+32, %sp /* IEU0 Group */ | |
168 | retl /* CTI+IEU1 Group */ | |
8cb079d4 | 169 | sub %o0, %g4, %o0 /* IEU0 */ |
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170 | |
171 | .align 16 | |
172 | 19: sub %o0, 2, %o0 /* IEU1 */ | |
173 | add %sp, STACK_SIZE+32, %sp /* IEU0 Group */ | |
174 | retl /* CTI+IEU1 Group */ | |
8cb079d4 | 175 | sub %o0, %g4, %o0 /* IEU0 */ |
ae6b8730 RH |
176 | |
177 | 18: sub %o0, 3, %o0 /* IEU1 */ | |
178 | add %sp, STACK_SIZE+32, %sp /* IEU0 Group */ | |
179 | retl /* CTI+IEU1 Group */ | |
8cb079d4 | 180 | sub %o0, %g4, %o0 /* IEU0 */ |
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181 | |
182 | 17: add %o0, 4, %o0 /* IEU1 */ | |
183 | add %sp, STACK_SIZE+32, %sp /* IEU0 Group */ | |
184 | retl /* CTI+IEU1 Group */ | |
8cb079d4 | 185 | sub %o0, %g4, %o0 /* IEU0 */ |
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186 | |
187 | 16: add %o0, 3, %o0 /* IEU1 */ | |
188 | add %sp, STACK_SIZE+32, %sp /* IEU0 Group */ | |
189 | retl /* CTI+IEU1 Group */ | |
8cb079d4 | 190 | sub %o0, %g4, %o0 /* IEU0 */ |
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191 | |
192 | 15: add %o0, 2, %o0 /* IEU1 */ | |
193 | add %sp, STACK_SIZE+32, %sp /* IEU0 Group */ | |
194 | retl /* CTI+IEU1 Group */ | |
8cb079d4 | 195 | sub %o0, %g4, %o0 /* IEU0 */ |
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196 | |
197 | 14: add %o0, 1, %o0 /* IEU1 */ | |
198 | add %sp, STACK_SIZE+32, %sp /* IEU0 Group */ | |
199 | retl /* CTI+IEU1 Group */ | |
8cb079d4 | 200 | sub %o0, %g4, %o0 /* IEU0 */ |
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201 | |
202 | 13: add %sp, STACK_SIZE+32, %sp /* IEU1 */ | |
203 | retl /* CTI+IEU1 Group */ | |
8cb079d4 | 204 | sub %o0, %g4, %o0 /* IEU0 */ |
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205 | |
206 | .align 16 | |
207 | 12: sub %o0, 1, %o0 /* IEU0 Group */ | |
208 | add %sp, STACK_SIZE+32, %sp /* IEU1 */ | |
209 | retl /* CTI+IEU1 Group */ | |
8cb079d4 | 210 | sub %o0, %g4, %o0 /* IEU0 */ |
ae6b8730 | 211 | END(strcspn) |
85dd1003 | 212 | libc_hidden_builtin_def (strcspn) |