212 lines
6.6 KiB
ArmAsm
212 lines
6.6 KiB
ArmAsm
/* strcspn (str, ss) -- Return the length of the initial segment of STR
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which contains no characters from SS.
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For SPARC v9.
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Copyright (C) 1999-2022 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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#include <asm/asi.h>
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#ifndef XCC
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#define XCC xcc
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#define STACK_SIZE 128
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#define STACK_OFFSET 128+0x7ff
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.register %g2, #scratch
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#else
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#define STACK_SIZE 64
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#define STACK_OFFSET 64
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#endif
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.text
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.align 32
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ENTRY(strcspn)
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sub %sp, STACK_SIZE+32, %sp /* IEU0 Group */
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mov 1, %o4 /* IEU1 */
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stx %o4, [%sp + STACK_OFFSET] /* Store Group */
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mov %o0, %g4 /* IEU0 */
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stx %g0, [%sp + STACK_OFFSET + 8] /* Store Group */
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add %sp, STACK_OFFSET, %o5 /* IEU0 */
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stx %g0, [%sp + STACK_OFFSET + 16] /* Store Group */
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stx %g0, [%sp + STACK_OFFSET + 24] /* Store Group */
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1: ldub [%o1], %o2 /* Load Group */
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brz,pn %o2, 2f /* CTI+IEU1 Group */
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srl %o2, 3, %o3 /* IEU0 */
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and %o3, 0x18, %o3 /* IEU0 Group */
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and %o2, 0x3f, %o2 /* IEU1 */
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ldx [%o5 + %o3], %g2 /* Load Group */
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sllx %o4, %o2, %g1 /* IEU0 */
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add %o1, 1, %o1 /* IEU1 */
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or %g2, %g1, %g2 /* IEU0 Group */
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ba,pt %xcc, 1b /* CTI */
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stx %g2, [%o5 + %o3] /* Store */
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2: andcc %o0, 7, %g0 /* IEU1 Group */
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be,a,pt %xcc, 4f /* CTI */
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ldx [%o0], %o2 /* Load */
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ldub [%o0], %o2 /* Load Group */
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3: srl %o2, 3, %o3 /* IEU0 Group */
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and %o2, 0x3f, %o2 /* IEU1 */
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and %o3, 0x18, %o3 /* IEU0 Group */
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ldx [%o5 + %o3], %g2 /* Load Group */
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sllx %o4, %o2, %g1 /* IEU0 */
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add %o0, 1, %o0 /* IEU1 */
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andcc %g2, %g1, %g0 /* IEU1 Group */
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bne,pn %xcc, 12f /* CTI */
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andcc %o0, 7, %g0 /* IEU1 Group */
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bne,a,pt %icc, 3b /* CTI */
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ldub [%o0], %o2 /* Load */
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ldx [%o0], %o2 /* Load Group */
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4: srlx %o2, 59, %o3 /* IEU0 Group */
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srlx %o2, 56, %g5 /* IEU0 Group */
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5: and %o3, 0x18, %o3 /* IEU1 */
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andcc %g5, 0x3f, %g5 /* IEU1 Group */
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ldx [%o5 + %o3], %g2 /* Load */
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srlx %o2, 51, %o3 /* IEU0 */
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sllx %o4, %g5, %g1 /* IEU0 Group */
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srlx %o2, 48, %g5 /* IEU0 Group */
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andcc %g2, %g1, %g2 /* IEU1 */
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bne,pn %xcc, 13f /* CTI */
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and %o3, 0x18, %o3 /* IEU0 Group */
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and %g5, 0x3f, %g5 /* IEU1 */
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ldx [%o5 + %o3], %g2 /* Load Group */
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srlx %o2, 43, %o3 /* IEU0 */
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sllx %o4, %g5, %g1 /* IEU0 Group */
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srlx %o2, 40, %g5 /* IEU0 Group */
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andcc %g2, %g1, %g2 /* IEU1 */
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bne,pn %xcc, 14f /* CTI */
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and %o3, 0x18, %o3 /* IEU0 Group */
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and %g5, 0x3f, %g5 /* IEU1 */
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ldx [%o5 + %o3], %g2 /* Load Group */
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srlx %o2, 35, %o3 /* IEU0 */
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sllx %o4, %g5, %g1 /* IEU0 Group */
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srlx %o2, 32, %g5 /* IEU0 Group */
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andcc %g2, %g1, %g2 /* IEU1 */
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bne,pn %xcc, 15f /* CTI */
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and %o3, 0x18, %o3 /* IEU0 Group */
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and %g5, 0x3f, %g5 /* IEU1 */
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ldx [%o5 + %o3], %g2 /* Load Group */
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srlx %o2, 27, %o3 /* IEU0 */
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sllx %o4, %g5, %g1 /* IEU0 Group */
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srlx %o2, 24, %g5 /* IEU0 Group */
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andcc %g2, %g1, %g2 /* IEU1 */
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bne,pn %xcc, 16f /* CTI */
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and %o3, 0x18, %o3 /* IEU0 Group */
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and %g5, 0x3f, %g5 /* IEU1 */
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ldx [%o5 + %o3], %g2 /* Load Group */
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srlx %o2, 19, %o3 /* IEU0 */
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sllx %o4, %g5, %g1 /* IEU0 Group */
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srlx %o2, 16, %g5 /* IEU0 Group */
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andcc %g2, %g1, %g2 /* IEU1 */
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bne,pn %xcc, 17f /* CTI */
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and %o3, 0x18, %o3 /* IEU0 Group */
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and %g5, 0x3f, %g5 /* IEU1 */
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ldx [%o5 + %o3], %g2 /* Load Group */
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srlx %o2, 11, %o3 /* IEU0 */
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sllx %o4, %g5, %g1 /* IEU0 Group */
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add %o0, 8, %o0 /* IEU1 */
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srlx %o2, 8, %g5 /* IEU0 Group */
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andcc %g2, %g1, %g2 /* IEU1 */
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bne,pn %xcc, 18f /* CTI */
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and %o3, 0x18, %o3 /* IEU0 Group */
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and %g5, 0x3f, %g5 /* IEU1 */
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ldx [%o5 + %o3], %g2 /* Load Group */
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sllx %o4, %g5, %g1 /* IEU0 */
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mov %o2, %g5 /* IEU1 */
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srlx %o2, 3, %o3 /* IEU0 Group */
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ldxa [%o0] ASI_PNF, %o2 /* Load */
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andcc %g2, %g1, %g2 /* IEU1 Group */
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bne,pn %xcc, 19f /* CTI */
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and %o3, 0x18, %o3 /* IEU0 Group */
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and %g5, 0x3f, %g5 /* IEU1 */
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ldx [%o5 + %o3], %g2 /* Load Group */
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sllx %o4, %g5, %g1 /* IEU0 */
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srlx %o2, 59, %o3 /* IEU0 Group */
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andcc %g2, %g1, %g2 /* IEU1 Group */
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be,pt %xcc, 5b /* CTI */
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srlx %o2, 56, %g5 /* IEU0 Group */
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sub %o0, 1, %o0 /* IEU1 */
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add %sp, STACK_SIZE+32, %sp /* IEU0 Group */
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retl /* CTI+IEU1 Group */
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sub %o0, %g4, %o0 /* IEU0 */
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.align 16
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19: sub %o0, 2, %o0 /* IEU1 */
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add %sp, STACK_SIZE+32, %sp /* IEU0 Group */
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retl /* CTI+IEU1 Group */
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sub %o0, %g4, %o0 /* IEU0 */
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18: sub %o0, 3, %o0 /* IEU1 */
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add %sp, STACK_SIZE+32, %sp /* IEU0 Group */
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retl /* CTI+IEU1 Group */
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sub %o0, %g4, %o0 /* IEU0 */
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17: add %o0, 4, %o0 /* IEU1 */
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add %sp, STACK_SIZE+32, %sp /* IEU0 Group */
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retl /* CTI+IEU1 Group */
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sub %o0, %g4, %o0 /* IEU0 */
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16: add %o0, 3, %o0 /* IEU1 */
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add %sp, STACK_SIZE+32, %sp /* IEU0 Group */
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retl /* CTI+IEU1 Group */
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sub %o0, %g4, %o0 /* IEU0 */
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15: add %o0, 2, %o0 /* IEU1 */
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add %sp, STACK_SIZE+32, %sp /* IEU0 Group */
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retl /* CTI+IEU1 Group */
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sub %o0, %g4, %o0 /* IEU0 */
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14: add %o0, 1, %o0 /* IEU1 */
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add %sp, STACK_SIZE+32, %sp /* IEU0 Group */
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retl /* CTI+IEU1 Group */
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sub %o0, %g4, %o0 /* IEU0 */
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13: add %sp, STACK_SIZE+32, %sp /* IEU1 */
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retl /* CTI+IEU1 Group */
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sub %o0, %g4, %o0 /* IEU0 */
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.align 16
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12: sub %o0, 1, %o0 /* IEU0 Group */
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add %sp, STACK_SIZE+32, %sp /* IEU1 */
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retl /* CTI+IEU1 Group */
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sub %o0, %g4, %o0 /* IEU0 */
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END(strcspn)
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libc_hidden_builtin_def (strcspn)
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