| /* strcspn (str, ss) -- Return the length of the initial segment of STR |
| which contains no characters from SS. |
| For SPARC v9. |
| Copyright (C) 1999, 2003 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Jakub Jelinek <jj@ultra.linux.cz> |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| #include <sysdep.h> |
| #include <asm/asi.h> |
| #ifndef XCC |
| #define XCC xcc |
| #define STACK_SIZE 128 |
| #define STACK_OFFSET 128+0x7ff |
| .register %g2, #scratch |
| #else |
| #define STACK_SIZE 64 |
| #define STACK_OFFSET 64 |
| #endif |
| |
| .text |
| .align 32 |
| ENTRY(strcspn) |
| sub %sp, STACK_SIZE+32, %sp /* IEU0 Group */ |
| mov 1, %o4 /* IEU1 */ |
| stx %o4, [%sp + STACK_OFFSET] /* Store Group */ |
| mov %o0, %g4 /* IEU0 */ |
| |
| stx %g0, [%sp + STACK_OFFSET + 8] /* Store Group */ |
| add %sp, STACK_OFFSET, %o5 /* IEU0 */ |
| stx %g0, [%sp + STACK_OFFSET + 16] /* Store Group */ |
| stx %g0, [%sp + STACK_OFFSET + 24] /* Store Group */ |
| |
| 1: ldub [%o1], %o2 /* Load Group */ |
| brz,pn %o2, 2f /* CTI+IEU1 Group */ |
| srl %o2, 3, %o3 /* IEU0 */ |
| and %o3, 0x18, %o3 /* IEU0 Group */ |
| |
| and %o2, 0x3f, %o2 /* IEU1 */ |
| ldx [%o5 + %o3], %g2 /* Load Group */ |
| sllx %o4, %o2, %g1 /* IEU0 */ |
| add %o1, 1, %o1 /* IEU1 */ |
| |
| or %g2, %g1, %g2 /* IEU0 Group */ |
| ba,pt %xcc, 1b /* CTI */ |
| stx %g2, [%o5 + %o3] /* Store */ |
| 2: andcc %o0, 7, %g0 /* IEU1 Group */ |
| |
| be,a,pt %xcc, 4f /* CTI */ |
| ldx [%o0], %o2 /* Load */ |
| ldub [%o0], %o2 /* Load Group */ |
| 3: srl %o2, 3, %o3 /* IEU0 Group */ |
| |
| and %o2, 0x3f, %o2 /* IEU1 */ |
| and %o3, 0x18, %o3 /* IEU0 Group */ |
| ldx [%o5 + %o3], %g2 /* Load Group */ |
| sllx %o4, %o2, %g1 /* IEU0 */ |
| |
| add %o0, 1, %o0 /* IEU1 */ |
| andcc %g2, %g1, %g0 /* IEU1 Group */ |
| bne,pn %xcc, 12f /* CTI */ |
| andcc %o0, 7, %g0 /* IEU1 Group */ |
| |
| bne,a,pt %icc, 3b /* CTI */ |
| ldub [%o0], %o2 /* Load */ |
| ldx [%o0], %o2 /* Load Group */ |
| 4: srlx %o2, 59, %o3 /* IEU0 Group */ |
| |
| srlx %o2, 56, %g5 /* IEU0 Group */ |
| 5: and %o3, 0x18, %o3 /* IEU1 */ |
| andcc %g5, 0x3f, %g5 /* IEU1 Group */ |
| ldx [%o5 + %o3], %g2 /* Load */ |
| |
| srlx %o2, 51, %o3 /* IEU0 */ |
| sllx %o4, %g5, %g1 /* IEU0 Group */ |
| srlx %o2, 48, %g5 /* IEU0 Group */ |
| andcc %g2, %g1, %g2 /* IEU1 */ |
| |
| bne,pn %xcc, 13f /* CTI */ |
| and %o3, 0x18, %o3 /* IEU0 Group */ |
| and %g5, 0x3f, %g5 /* IEU1 */ |
| ldx [%o5 + %o3], %g2 /* Load Group */ |
| |
| srlx %o2, 43, %o3 /* IEU0 */ |
| sllx %o4, %g5, %g1 /* IEU0 Group */ |
| srlx %o2, 40, %g5 /* IEU0 Group */ |
| andcc %g2, %g1, %g2 /* IEU1 */ |
| |
| bne,pn %xcc, 14f /* CTI */ |
| and %o3, 0x18, %o3 /* IEU0 Group */ |
| and %g5, 0x3f, %g5 /* IEU1 */ |
| ldx [%o5 + %o3], %g2 /* Load Group */ |
| |
| srlx %o2, 35, %o3 /* IEU0 */ |
| sllx %o4, %g5, %g1 /* IEU0 Group */ |
| srlx %o2, 32, %g5 /* IEU0 Group */ |
| andcc %g2, %g1, %g2 /* IEU1 */ |
| |
| bne,pn %xcc, 15f /* CTI */ |
| and %o3, 0x18, %o3 /* IEU0 Group */ |
| and %g5, 0x3f, %g5 /* IEU1 */ |
| ldx [%o5 + %o3], %g2 /* Load Group */ |
| |
| srlx %o2, 27, %o3 /* IEU0 */ |
| sllx %o4, %g5, %g1 /* IEU0 Group */ |
| srlx %o2, 24, %g5 /* IEU0 Group */ |
| andcc %g2, %g1, %g2 /* IEU1 */ |
| |
| bne,pn %xcc, 16f /* CTI */ |
| and %o3, 0x18, %o3 /* IEU0 Group */ |
| and %g5, 0x3f, %g5 /* IEU1 */ |
| ldx [%o5 + %o3], %g2 /* Load Group */ |
| |
| srlx %o2, 19, %o3 /* IEU0 */ |
| sllx %o4, %g5, %g1 /* IEU0 Group */ |
| srlx %o2, 16, %g5 /* IEU0 Group */ |
| andcc %g2, %g1, %g2 /* IEU1 */ |
| |
| bne,pn %xcc, 17f /* CTI */ |
| and %o3, 0x18, %o3 /* IEU0 Group */ |
| and %g5, 0x3f, %g5 /* IEU1 */ |
| ldx [%o5 + %o3], %g2 /* Load Group */ |
| |
| srlx %o2, 11, %o3 /* IEU0 */ |
| sllx %o4, %g5, %g1 /* IEU0 Group */ |
| add %o0, 8, %o0 /* IEU1 */ |
| srlx %o2, 8, %g5 /* IEU0 Group */ |
| |
| andcc %g2, %g1, %g2 /* IEU1 */ |
| bne,pn %xcc, 18f /* CTI */ |
| and %o3, 0x18, %o3 /* IEU0 Group */ |
| and %g5, 0x3f, %g5 /* IEU1 */ |
| |
| ldx [%o5 + %o3], %g2 /* Load Group */ |
| sllx %o4, %g5, %g1 /* IEU0 */ |
| mov %o2, %g5 /* IEU1 */ |
| srlx %o2, 3, %o3 /* IEU0 Group */ |
| |
| ldxa [%o0] ASI_PNF, %o2 /* Load */ |
| andcc %g2, %g1, %g2 /* IEU1 Group */ |
| bne,pn %xcc, 19f /* CTI */ |
| and %o3, 0x18, %o3 /* IEU0 Group */ |
| |
| and %g5, 0x3f, %g5 /* IEU1 */ |
| ldx [%o5 + %o3], %g2 /* Load Group */ |
| sllx %o4, %g5, %g1 /* IEU0 */ |
| srlx %o2, 59, %o3 /* IEU0 Group */ |
| |
| andcc %g2, %g1, %g2 /* IEU1 Group */ |
| be,pt %xcc, 5b /* CTI */ |
| srlx %o2, 56, %g5 /* IEU0 Group */ |
| sub %o0, 1, %o0 /* IEU1 */ |
| |
| add %sp, STACK_SIZE+32, %sp /* IEU0 Group */ |
| retl /* CTI+IEU1 Group */ |
| sub %o0, %g4, %o0 /* IEU0 */ |
| |
| .align 16 |
| 19: sub %o0, 2, %o0 /* IEU1 */ |
| add %sp, STACK_SIZE+32, %sp /* IEU0 Group */ |
| retl /* CTI+IEU1 Group */ |
| sub %o0, %g4, %o0 /* IEU0 */ |
| |
| 18: sub %o0, 3, %o0 /* IEU1 */ |
| add %sp, STACK_SIZE+32, %sp /* IEU0 Group */ |
| retl /* CTI+IEU1 Group */ |
| sub %o0, %g4, %o0 /* IEU0 */ |
| |
| 17: add %o0, 4, %o0 /* IEU1 */ |
| add %sp, STACK_SIZE+32, %sp /* IEU0 Group */ |
| retl /* CTI+IEU1 Group */ |
| sub %o0, %g4, %o0 /* IEU0 */ |
| |
| 16: add %o0, 3, %o0 /* IEU1 */ |
| add %sp, STACK_SIZE+32, %sp /* IEU0 Group */ |
| retl /* CTI+IEU1 Group */ |
| sub %o0, %g4, %o0 /* IEU0 */ |
| |
| 15: add %o0, 2, %o0 /* IEU1 */ |
| add %sp, STACK_SIZE+32, %sp /* IEU0 Group */ |
| retl /* CTI+IEU1 Group */ |
| sub %o0, %g4, %o0 /* IEU0 */ |
| |
| 14: add %o0, 1, %o0 /* IEU1 */ |
| add %sp, STACK_SIZE+32, %sp /* IEU0 Group */ |
| retl /* CTI+IEU1 Group */ |
| sub %o0, %g4, %o0 /* IEU0 */ |
| |
| 13: add %sp, STACK_SIZE+32, %sp /* IEU1 */ |
| retl /* CTI+IEU1 Group */ |
| sub %o0, %g4, %o0 /* IEU0 */ |
| |
| .align 16 |
| 12: sub %o0, 1, %o0 /* IEU0 Group */ |
| add %sp, STACK_SIZE+32, %sp /* IEU1 */ |
| retl /* CTI+IEU1 Group */ |
| sub %o0, %g4, %o0 /* IEU0 */ |
| END(strcspn) |
| libc_hidden_builtin_def (strcspn) |
