213 lines
6.6 KiB
ArmAsm
213 lines
6.6 KiB
ArmAsm
/* 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, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#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)
|