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/* strspn (str, ss) -- Return the length of the maximum initial segment
of S which contains only characters in ACCEPT.
For SPARC v9.
Copyright (C) 1999-2021 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
<https://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(strspn)
sub %sp, STACK_SIZE+32, %sp /* IEU0 Group */
mov 1, %o4 /* IEU1 */
stx %g0, [%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 */
be,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 */
be,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 */
be,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 */
be,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 */
be,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 */
be,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 */
be,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 */
be,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 */
bne,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(strspn)
libc_hidden_builtin_def (strspn)
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