1 | /* strcspn (str, ss) -- Return the length of the initial segment of STR |
2 | which contains no characters from SS. |
3 | For SPARC v9. |
4 | Copyright (C) 1999-2024 Free Software Foundation, Inc. |
5 | This file is part of the GNU C Library. |
6 | |
7 | The GNU C Library is free software; you can redistribute it and/or |
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. |
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 |
15 | Lesser General Public License for more details. |
16 | |
17 | You should have received a copy of the GNU Lesser General Public |
18 | License along with the GNU C Library; if not, see |
19 | <https://www.gnu.org/licenses/>. */ |
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 |
27 | .register %g2, #scratch |
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 */ |
39 | mov %o0, %g4 /* IEU0 */ |
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 | |
81 | srlx %o2, 56, %g5 /* IEU0 Group */ |
82 | 5: and %o3, 0x18, %o3 /* IEU1 */ |
83 | andcc %g5, 0x3f, %g5 /* IEU1 Group */ |
84 | ldx [%o5 + %o3], %g2 /* Load */ |
85 | |
86 | srlx %o2, 51, %o3 /* IEU0 */ |
87 | sllx %o4, %g5, %g1 /* IEU0 Group */ |
88 | srlx %o2, 48, %g5 /* IEU0 Group */ |
89 | andcc %g2, %g1, %g2 /* IEU1 */ |
90 | |
91 | bne,pn %xcc, 13f /* CTI */ |
92 | and %o3, 0x18, %o3 /* IEU0 Group */ |
93 | and %g5, 0x3f, %g5 /* IEU1 */ |
94 | ldx [%o5 + %o3], %g2 /* Load Group */ |
95 | |
96 | srlx %o2, 43, %o3 /* IEU0 */ |
97 | sllx %o4, %g5, %g1 /* IEU0 Group */ |
98 | srlx %o2, 40, %g5 /* IEU0 Group */ |
99 | andcc %g2, %g1, %g2 /* IEU1 */ |
100 | |
101 | bne,pn %xcc, 14f /* CTI */ |
102 | and %o3, 0x18, %o3 /* IEU0 Group */ |
103 | and %g5, 0x3f, %g5 /* IEU1 */ |
104 | ldx [%o5 + %o3], %g2 /* Load Group */ |
105 | |
106 | srlx %o2, 35, %o3 /* IEU0 */ |
107 | sllx %o4, %g5, %g1 /* IEU0 Group */ |
108 | srlx %o2, 32, %g5 /* IEU0 Group */ |
109 | andcc %g2, %g1, %g2 /* IEU1 */ |
110 | |
111 | bne,pn %xcc, 15f /* CTI */ |
112 | and %o3, 0x18, %o3 /* IEU0 Group */ |
113 | and %g5, 0x3f, %g5 /* IEU1 */ |
114 | ldx [%o5 + %o3], %g2 /* Load Group */ |
115 | |
116 | srlx %o2, 27, %o3 /* IEU0 */ |
117 | sllx %o4, %g5, %g1 /* IEU0 Group */ |
118 | srlx %o2, 24, %g5 /* IEU0 Group */ |
119 | andcc %g2, %g1, %g2 /* IEU1 */ |
120 | |
121 | bne,pn %xcc, 16f /* CTI */ |
122 | and %o3, 0x18, %o3 /* IEU0 Group */ |
123 | and %g5, 0x3f, %g5 /* IEU1 */ |
124 | ldx [%o5 + %o3], %g2 /* Load Group */ |
125 | |
126 | srlx %o2, 19, %o3 /* IEU0 */ |
127 | sllx %o4, %g5, %g1 /* IEU0 Group */ |
128 | srlx %o2, 16, %g5 /* IEU0 Group */ |
129 | andcc %g2, %g1, %g2 /* IEU1 */ |
130 | |
131 | bne,pn %xcc, 17f /* CTI */ |
132 | and %o3, 0x18, %o3 /* IEU0 Group */ |
133 | and %g5, 0x3f, %g5 /* IEU1 */ |
134 | ldx [%o5 + %o3], %g2 /* Load Group */ |
135 | |
136 | srlx %o2, 11, %o3 /* IEU0 */ |
137 | sllx %o4, %g5, %g1 /* IEU0 Group */ |
138 | add %o0, 8, %o0 /* IEU1 */ |
139 | srlx %o2, 8, %g5 /* IEU0 Group */ |
140 | |
141 | andcc %g2, %g1, %g2 /* IEU1 */ |
142 | bne,pn %xcc, 18f /* CTI */ |
143 | and %o3, 0x18, %o3 /* IEU0 Group */ |
144 | and %g5, 0x3f, %g5 /* IEU1 */ |
145 | |
146 | ldx [%o5 + %o3], %g2 /* Load Group */ |
147 | sllx %o4, %g5, %g1 /* IEU0 */ |
148 | mov %o2, %g5 /* IEU1 */ |
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 | |
156 | and %g5, 0x3f, %g5 /* IEU1 */ |
157 | ldx [%o5 + %o3], %g2 /* Load Group */ |
158 | sllx %o4, %g5, %g1 /* IEU0 */ |
159 | srlx %o2, 59, %o3 /* IEU0 Group */ |
160 | |
161 | andcc %g2, %g1, %g2 /* IEU1 Group */ |
162 | be,pt %xcc, 5b /* CTI */ |
163 | srlx %o2, 56, %g5 /* IEU0 Group */ |
164 | sub %o0, 1, %o0 /* IEU1 */ |
165 | |
166 | add %sp, STACK_SIZE+32, %sp /* IEU0 Group */ |
167 | retl /* CTI+IEU1 Group */ |
168 | sub %o0, %g4, %o0 /* IEU0 */ |
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 */ |
174 | sub %o0, %g4, %o0 /* IEU0 */ |
175 | |
176 | 18: sub %o0, 3, %o0 /* IEU1 */ |
177 | add %sp, STACK_SIZE+32, %sp /* IEU0 Group */ |
178 | retl /* CTI+IEU1 Group */ |
179 | sub %o0, %g4, %o0 /* IEU0 */ |
180 | |
181 | 17: add %o0, 4, %o0 /* IEU1 */ |
182 | add %sp, STACK_SIZE+32, %sp /* IEU0 Group */ |
183 | retl /* CTI+IEU1 Group */ |
184 | sub %o0, %g4, %o0 /* IEU0 */ |
185 | |
186 | 16: add %o0, 3, %o0 /* IEU1 */ |
187 | add %sp, STACK_SIZE+32, %sp /* IEU0 Group */ |
188 | retl /* CTI+IEU1 Group */ |
189 | sub %o0, %g4, %o0 /* IEU0 */ |
190 | |
191 | 15: add %o0, 2, %o0 /* IEU1 */ |
192 | add %sp, STACK_SIZE+32, %sp /* IEU0 Group */ |
193 | retl /* CTI+IEU1 Group */ |
194 | sub %o0, %g4, %o0 /* IEU0 */ |
195 | |
196 | 14: add %o0, 1, %o0 /* IEU1 */ |
197 | add %sp, STACK_SIZE+32, %sp /* IEU0 Group */ |
198 | retl /* CTI+IEU1 Group */ |
199 | sub %o0, %g4, %o0 /* IEU0 */ |
200 | |
201 | 13: add %sp, STACK_SIZE+32, %sp /* IEU1 */ |
202 | retl /* CTI+IEU1 Group */ |
203 | sub %o0, %g4, %o0 /* IEU0 */ |
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 */ |
209 | sub %o0, %g4, %o0 /* IEU0 */ |
210 | END(strcspn) |
211 | libc_hidden_builtin_def (strcspn) |
212 | |