diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc32/power7/strcasecmp.S')
| -rw-r--r-- | sysdeps/powerpc/powerpc32/power7/strcasecmp.S | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/sysdeps/powerpc/powerpc32/power7/strcasecmp.S b/sysdeps/powerpc/powerpc32/power7/strcasecmp.S deleted file mode 100644 index 964875a13b..0000000000 --- a/sysdeps/powerpc/powerpc32/power7/strcasecmp.S +++ /dev/null @@ -1,129 +0,0 @@ -/* Optimized strcasecmp implementation for PowerPC32. - Copyright (C) 2011-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - 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 <locale-defines.h> - -/* int [r3] strcasecmp (const char *s1 [r3], const char *s2 [r4] ) - - or if defined USE_IN_EXTENDED_LOCALE_MODEL: - - int [r3] strcasecmp_l (const char *s1 [r3], const char *s2 [r4], - __locale_t loc [r5]) */ - -#ifndef STRCMP -# define __STRCMP __strcasecmp -# define STRCMP strcasecmp -#endif - -ENTRY (__STRCMP) - -#define rRTN r3 /* Return value */ -#define rSTR1 r5 /* 1st string */ -#define rSTR2 r4 /* 2nd string */ -#define rLOCARG r5 /* 3rd argument: locale_t */ -#define rCHAR1 r6 /* Byte read from 1st string */ -#define rCHAR2 r7 /* Byte read from 2nd string */ -#define rADDR1 r8 /* Address of tolower(rCHAR1) */ -#define rADDR2 r12 /* Address of tolower(rCHAR2) */ -#define rLWR1 r8 /* Byte tolower(rCHAR1) */ -#define rLWR2 r12 /* Byte tolower(rCHAR2) */ -#define rTMP r0 -#define rGOT r9 /* Address of the Global Offset Table */ -#define rLOC r11 /* Default locale address */ - - cmpw cr7, r3, r4 -#ifndef USE_IN_EXTENDED_LOCALE_MODEL -# ifdef SHARED - mflr rTMP - bcl 20,31,.L1 -.L1: mflr rGOT - addis rGOT, rGOT, _GLOBAL_OFFSET_TABLE_-.L1@ha - addi rGOT, rGOT, _GLOBAL_OFFSET_TABLE_-.L1@l - lwz rLOC, __libc_tsd_LOCALE@got@tprel(rGOT) - add rLOC, rLOC, __libc_tsd_LOCALE@tls - lwz rLOC, 0(rLOC) - mtlr rTMP -# else - lis rTMP,_GLOBAL_OFFSET_TABLE_@ha - la rLOC,_GLOBAL_OFFSET_TABLE_@l(rTMP) - lwz rLOC, __libc_tsd_LOCALE@got@tprel(rGOT) - add rLOC, rLOC, __libc_tsd_LOCALE@tls - lwz rLOC, 0(rLOC) -# endif /* SHARED */ -#else - mr rLOC, rLOCARG -#endif - mr rSTR1, rRTN - lwz rLOC, LOCALE_CTYPE_TOLOWER(rLOC) - li rRTN, 0 - beqlr cr7 - - /* Unrolling loop for POWER: loads are done with 'lbz' plus - offset and string descriptors are only updated in the end - of loop unrolling. */ - -L(loop): - lbz rCHAR1, 0(rSTR1) /* Load char from s1 */ - lbz rCHAR2, 0(rSTR2) /* Load char from s2 */ - sldi rADDR1, rCHAR1, 2 /* Calculate address for tolower(*s1) */ - sldi rADDR2, rCHAR2, 2 /* Calculate address for tolower(*s2) */ - lwzx rLWR1, rLOC, rADDR1 /* Load tolower(*s1) */ - lwzx rLWR2, rLOC, rADDR2 /* Load tolower(*s2) */ - cmpwi cr7, rCHAR1, 0 /* *s1 == '\0' ? */ - subf. r3, rLWR2, rLWR1 - bnelr - beqlr cr7 - lbz rCHAR1, 1(rSTR1) - lbz rCHAR2, 1(rSTR2) - sldi rADDR1, rCHAR1, 2 - sldi rADDR2, rCHAR2, 2 - lwzx rLWR1, rLOC, rADDR1 - lwzx rLWR2, rLOC, rADDR2 - cmpwi cr7, rCHAR1, 0 - subf. r3, rLWR2, rLWR1 - bnelr - beqlr cr7 - lbz rCHAR1, 2(rSTR1) - lbz rCHAR2, 2(rSTR2) - sldi rADDR1, rCHAR1, 2 - sldi rADDR2, rCHAR2, 2 - lwzx rLWR1, rLOC, rADDR1 - lwzx rLWR2, rLOC, rADDR2 - cmpwi cr7, rCHAR1, 0 - subf. r3, rLWR2, rLWR1 - bnelr - beqlr cr7 - lbz rCHAR1, 3(rSTR1) - lbz rCHAR2, 3(rSTR2) - /* Increment both string descriptors */ - addi rSTR1, rSTR1, 4 - addi rSTR2, rSTR2, 4 - sldi rADDR1, rCHAR1, 2 - sldi rADDR2, rCHAR2, 2 - lwzx rLWR1, rLOC, rADDR1 - lwzx rLWR2, rLOC, rADDR2 - cmpwi cr7, rCHAR1, 0 - subf. r3, rLWR2, rLWR1 - bnelr - bne cr7,L(loop) - blr -END (__STRCMP) - -weak_alias (__STRCMP, STRCMP) -libc_hidden_builtin_def (__STRCMP) |