glibc/sysdeps/sparc/sparc64/strcspn.S
Ulrich Drepper 8cb079d41b Update.
* sysdeps/sparc/sparc64/add_n.S: Avoid using %g2, %g3, %g7 registers
	as much as possible. Declare them using .register pseudo-op if they
	are still used.
	* sysdeps/sparc/sparc64/lshift.S: Likewise.
	* sysdeps/sparc/sparc64/memchr.S: Likewise.
	* sysdeps/sparc/sparc64/memcmp.S: Likewise.
	* sysdeps/sparc/sparc64/memcpy.S: Likewise.
	* sysdeps/sparc/sparc64/memset.S: Likewise.
	* sysdeps/sparc/sparc64/rawmemchr.S: Likewise.
	* sysdeps/sparc/sparc64/rshift.S: Likewise.
	* sysdeps/sparc/sparc64/stpcpy.S: Likewise.
	* sysdeps/sparc/sparc64/stpncpy.S: Likewise.
	* sysdeps/sparc/sparc64/strcat.S: Likewise.
	* sysdeps/sparc/sparc64/strchr.S: Likewise.
	* sysdeps/sparc/sparc64/strcmp.S: Likewise.
	* sysdeps/sparc/sparc64/strcpy.S: Likewise.
	* sysdeps/sparc/sparc64/strcspn.S: Likewise.
	* sysdeps/sparc/sparc64/strlen.S: Likewise.
	* sysdeps/sparc/sparc64/strncmp.S: Likewise.
	* sysdeps/sparc/sparc64/strncpy.S: Likewise.
	* sysdeps/sparc/sparc64/strpbrk.S: Likewise.
	* sysdeps/sparc/sparc64/strspn.S: Likewise.
	* sysdeps/sparc/sparc64/sub_n.S: Likewise.
	* sysdeps/sparc/sparc64/dl-machine.h: Likewise.
	Optimize trampoline code for .plt4-.plt32767.
	Fix trampolines for .plt32768+.

1999-07-25  Jakub Jelinek  <jj@ultra.linux.cz>
1999-07-27 04:43:32 +00:00

213 lines
6.7 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 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. 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)