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85dd100310
* sysdeps/i386/fpu/ftestexcept.c: Also check SSE status word. * include/signal.h: Use libc_hidden_proto for sigaddset and sigdelset. * signal/sigaddset.c: Add libc_hidden_def. * signal/sigdelset.c: Likewise. 2003-04-29 Jakub Jelinek <jakub@redhat.com> * sysdeps/i386/i486/string-inlines.c (__memcpy_g, __strchr_g): Move to the end of the file. * configure.in: Change __oline__ to $LINENO. (HAVE_BUILTIN_REDIRECTION): New check. * config.h.in (HAVE_BUILTIN_REDIRECTION): Add. * include/libc-symbols.h (libc_hidden_builtin_proto, libc_hidden_builtin_def, libc_hidden_builtin_weak, libc_hidden_builtin_ver): Define. * include/string.h (memchr, memcpy, memmove, memset, strcat, strchr, strcmp, strcpy, strcspn, strlen, strncmp, strncpy, strpbrk, strrchr, strspn, strstr): Add libc_hidden_builtin_proto. * intl/plural.y: Include string.h. * sysdeps/alpha/alphaev6/memchr.S (memchr): Add libc_hidden_builtin_def. * sysdeps/alpha/alphaev6/memcpy.S (memcpy): Likewise. * sysdeps/alpha/alphaev6/memset.S (memset): Likewise. * sysdeps/alpha/alphaev67/strcat.S (strcat): Likewise. * sysdeps/alpha/alphaev67/strchr.S (strchr): Likewise. * sysdeps/alpha/alphaev67/strlen.S (strlen): Likewise. * sysdeps/alpha/alphaev67/strrchr.S (strrchr): Likewise. * sysdeps/alpha/memchr.S (memchr): Likewise. * sysdeps/alpha/memset.S (memset): Likewise. * sysdeps/alpha/strcat.S (strcat): Likewise. * sysdeps/alpha/strchr.S (strchr): Likewise. * sysdeps/alpha/strcmp.S (strcmp): Likewise. * sysdeps/alpha/strcpy.S (strcpy): Likewise. * sysdeps/alpha/strlen.S (strlen): Likewise. * sysdeps/alpha/strncmp.S (strncmp): Likewise. * sysdeps/alpha/strncpy.S (strncpy): Likewise. * sysdeps/alpha/strrchr.S (strrchr): Likewise. * sysdeps/arm/memset.S (memset): Likewise. * sysdeps/arm/strlen.S (strlen): Likewise. * sysdeps/generic/memchr.c (memchr): Likewise. * sysdeps/generic/memcpy.c (memcpy): Likewise. * sysdeps/generic/memmove.c (memmove): Likewise. * sysdeps/generic/memset.c (memset): Likewise. * sysdeps/generic/strcat.c (strcat): Likewise. * sysdeps/generic/strchr.c (strchr): Likewise. * sysdeps/generic/strcmp.c (strcmp): Likewise. * sysdeps/generic/strcpy.c (strcpy): Likewise. * sysdeps/generic/strcspn.c (strcspn): Likewise. * sysdeps/generic/strlen.c (strlen): Likewise. * sysdeps/generic/strncmp.c (strncmp): Likewise. * sysdeps/generic/strncpy.c (strncpy): Likewise. * sysdeps/generic/strpbrk.c (strpbrk): Likewise. * sysdeps/generic/strrchr.c (strrchr): Likewise. * sysdeps/generic/strspn.c (strspn): Likewise. * sysdeps/generic/strstr.c (strstr): Likewise. * sysdeps/i386/i486/strcat.S (strcat): Likewise. * sysdeps/i386/i486/strlen.S (strlen): Likewise. * sysdeps/i386/i586/memcpy.S (memcpy): Likewise. * sysdeps/i386/i586/memset.S (memset): Likewise. * sysdeps/i386/i586/strchr.S (strchr): Likewise. * sysdeps/i386/i586/strcpy.S (strcpy): Likewise. * sysdeps/i386/i586/strlen.S (strlen): Likewise. * sysdeps/i386/i686/memcpy.S (memcpy): Likewise. * sysdeps/i386/i686/memmove.S (memmove): Likewise. * sysdeps/i386/i686/memset.S (memset): Likewise. * sysdeps/i386/i686/strcmp.S (strcmp): Likewise. * sysdeps/i386/memchr.S (memchr): Likewise. * sysdeps/i386/memset.c (memset): Likewise. * sysdeps/i386/strchr.S (strchr): Likewise. * sysdeps/i386/strcspn.S (strcspn): Likewise. * sysdeps/i386/strlen.c (strlen): Likewise. * sysdeps/i386/strpbrk.S (strpbrk): Likewise. * sysdeps/i386/strrchr.S (strrchr): Likewise. * sysdeps/i386/strspn.S (strspn): Likewise. * sysdeps/ia64/memchr.S (memchr): Likewise. * sysdeps/ia64/memcpy.S (memcpy): Likewise. * sysdeps/ia64/memmove.S (memmove): Likewise. * sysdeps/ia64/memset.S (memset): Likewise. * sysdeps/ia64/strcat.S (strcat): Likewise. * sysdeps/ia64/strchr.S (strchr): Likewise. * sysdeps/ia64/strcmp.S (strcmp): Likewise. * sysdeps/ia64/strcpy.S (strcpy): Likewise. * sysdeps/ia64/strlen.S (strlen): Likewise. * sysdeps/ia64/strncmp.S (strncmp): Likewise. * sysdeps/ia64/strncpy.S (strncpy): Likewise. * sysdeps/m68k/memchr.S (memchr): Likewise. * sysdeps/m68k/strchr.S (strchr): Likewise. * sysdeps/mips/mips64/memcpy.S (memcpy): Likewise. * sysdeps/mips/mips64/memset.S (memset): Likewise. * sysdeps/mips/memcpy.S (memcpy): Likewise. * sysdeps/mips/memset.S (memset): Likewise. * sysdeps/powerpc/powerpc32/memset.S (memset): Likewise. * sysdeps/powerpc/powerpc32/strchr.S (strchr): Likewise. * sysdeps/powerpc/powerpc32/strcmp.S (strcmp): Likewise. * sysdeps/powerpc/powerpc32/strcpy.S (strcpy): Likewise. * sysdeps/powerpc/powerpc32/strlen.S (strlen): Likewise. * sysdeps/powerpc/powerpc64/memcpy.S (memcpy): Likewise. * sysdeps/powerpc/powerpc64/memset.S (memset): Likewise. * sysdeps/powerpc/powerpc64/strchr.S (strchr): Likewise. * sysdeps/powerpc/powerpc64/strcmp.S (strcmp): Likewise. * sysdeps/powerpc/powerpc64/strcpy.S (strcpy): Likewise. * sysdeps/powerpc/powerpc64/strlen.S (strlen): Likewise. * sysdeps/powerpc/strcat.c (strcat): Likewise. * sysdeps/sparc/sparc32/memchr.S (memchr): Likewise. * sysdeps/sparc/sparc32/memcpy.S (memcpy): Likewise. * sysdeps/sparc/sparc32/memset.S (memset): Likewise. * sysdeps/sparc/sparc32/strcat.S (strcat): Likewise. * sysdeps/sparc/sparc32/strchr.S (strchr, strrchr): Likewise. * sysdeps/sparc/sparc32/strcmp.S (strcmp): Likewise. * sysdeps/sparc/sparc32/strcpy.S (strcpy): Likewise. * sysdeps/sparc/sparc32/strlen.S (strlen): Likewise. * sysdeps/sparc/sparc64/sparcv9b/memcpy.S (memcpy, memmove): Likewise. * sysdeps/sparc/sparc64/memchr.S (memchr): Likewise. * sysdeps/sparc/sparc64/memcpy.S (memcpy, memmove): Likewise. * sysdeps/sparc/sparc64/memset.S (memset): Likewise. * sysdeps/sparc/sparc64/strcat.S (strcat): Likewise. * sysdeps/sparc/sparc64/strchr.S (strchr, strrchr): Likewise. * sysdeps/sparc/sparc64/strcmp.S (strcmp): Likewise. * sysdeps/sparc/sparc64/strcpy.S (strcpy): Likewise. * sysdeps/sparc/sparc64/strcspn.S (strcspn): Likewise. * sysdeps/sparc/sparc64/strlen.S (strlen): Likewise. * sysdeps/sparc/sparc64/strncmp.S (strncmp): Likewise. * sysdeps/sparc/sparc64/strncpy.S (strncpy): Likewise. * sysdeps/sparc/sparc64/strpbrk.S (strpbrk): Likewise. * sysdeps/sparc/sparc64/strspn.S (strspn): Likewise. * sysdeps/sh/memcpy.S (memcpy): Likewise. * sysdeps/sh/memset.S (memset): Likewise. * sysdeps/sh/strlen.S (strlen): Likewise. * sysdeps/s390/s390-32/memchr.S (memchr): Likewise. * sysdeps/s390/s390-32/memcpy.S (memcpy): Likewise. * sysdeps/s390/s390-32/memset.S (memset): Likewise. * sysdeps/s390/s390-32/strcmp.S (strcmp): Likewise. * sysdeps/s390/s390-32/strcpy.S (strcpy): Likewise. * sysdeps/s390/s390-32/strncpy.S (strncpy): Likewise. * sysdeps/s390/s390-64/memchr.S (memchr): Likewise. * sysdeps/s390/s390-64/memcpy.S (memcpy): Likewise. * sysdeps/s390/s390-64/memset.S (memset): Likewise. * sysdeps/s390/s390-64/strcmp.S (strcmp): Likewise. * sysdeps/s390/s390-64/strcpy.S (strcpy): Likewise. * sysdeps/s390/s390-64/strncpy.S (strncpy): Likewise. * sysdeps/x86_64/memcpy.S (memcpy): Likewise. * sysdeps/x86_64/memset.S (memset): Likewise. * sysdeps/x86_64/strcat.S (strcat): Likewise. * sysdeps/x86_64/strchr.S (strchr): Likewise. * sysdeps/x86_64/strcmp.S (strcmp): Likewise. * sysdeps/x86_64/strcpy.S (strcpy): Likewise. * sysdeps/x86_64/strcspn.S (strcspn): Likewise. * sysdeps/x86_64/strlen.S (strlen): Likewise. * sysdeps/x86_64/strspn.S (strspn): Likewise. * string/string-inlines.c: Move... * sysdeps/generic/string-inlines.c: ...here. (__memcpy_g, __strchr_g): Remove. (__NO_INLINE__): Define before including <string.h>, undefine after. Include bits/string.h and bits/string2.h. * sysdeps/i386/i486/string-inlines.c: New file. * sysdeps/i386/string-inlines.c: New file. * sysdeps/i386/i486/Versions: Remove. All GLIBC_2.1.1 symbols moved... * sysdeps/i386/Versions (libc): ...here. 2003-04-29 Ulrich Drepper <drepper@redhat.com>
281 lines
9.0 KiB
ArmAsm
281 lines
9.0 KiB
ArmAsm
/* Compare two strings for differences.
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For SPARC v9.
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Copyright (C) 1997, 1999, 2003 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Jan Vondrak <jvon4518@ss1000.ms.mff.cuni.cz> and
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Jakub Jelinek <jj@ultra.linux.cz>.
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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, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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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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.register %g2, #scratch
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.register %g3, #scratch
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.register %g6, #scratch
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#endif
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/* Normally, this uses
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((xword - 0x0101010101010101) & 0x8080808080808080) test
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to find out if any byte in xword could be zero. This is fast, but
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also gives false alarm for any byte in range 0x81-0xff. It does
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not matter for correctness, as if this test tells us there could
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be some zero byte, we check it byte by byte, but if bytes with
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high bits set are common in the strings, then this will give poor
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performance. You can #define EIGHTBIT_NOT_RARE and the algorithm
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will use one tick slower, but more precise test
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((xword - 0x0101010101010101) & (~xword) & 0x8080808080808080),
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which does not give any false alarms (but if some bits are set,
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one cannot assume from it which bytes are zero and which are not).
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It is yet to be measured, what is the correct default for glibc
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in these days for an average user.
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*/
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.text
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.align 32
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ENTRY(strcmp)
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sethi %hi(0x01010101), %g1 /* IEU0 Group */
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andcc %o0, 7, %g0 /* IEU1 */
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bne,pn %icc, 7f /* CTI */
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or %g1, %lo(0x01010101), %g1 /* IEU0 Group */
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andcc %o1, 7, %g3 /* IEU1 */
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bne,pn %icc, 9f /* CTI */
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sllx %g1, 32, %g2 /* IEU0 Group */
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ldx [%o0], %o2 /* Load */
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or %g1, %g2, %g1 /* IEU0 Group */
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1: ldx [%o1], %o3 /* Load */
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sub %o1, %o0, %o1 /* IEU1 */
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sllx %g1, 7, %g2 /* IEU0 Group */
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2: add %o0, 8, %o0 /* IEU1 */
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sub %o2, %g1, %g3 /* IEU0 Group */
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subcc %o2, %o3, %g0 /* IEU1 */
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bne,pn %xcc, 13f /* CTI */
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#ifdef EIGHTBIT_NOT_RARE
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andn %g3, %o2, %g4 /* IEU0 Group */
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ldxa [%o0] ASI_PNF, %o2 /* Load */
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andcc %g4, %g2, %g0 /* IEU1 Group */
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#else
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ldxa [%o0] ASI_PNF, %o2 /* Load Group */
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andcc %g3, %g2, %g0 /* IEU1 */
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#endif
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be,a,pt %xcc, 2b /* CTI */
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ldxa [%o1 + %o0] ASI_PNF, %o3 /* Load Group */
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addcc %g3, %g1, %o4 /* IEU1 */
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srlx %g3, 32, %g3 /* IEU0 */
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andcc %g3, %g2, %g0 /* IEU1 Group */
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be,pt %xcc, 3f /* CTI */
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srlx %o4, 56, %o5 /* IEU0 */
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andcc %o5, 0xff, %g0 /* IEU1 Group */
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be,pn %icc, 4f /* CTI */
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srlx %o4, 48, %o5 /* IEU0 */
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andcc %o5, 0xff, %g0 /* IEU1 Group */
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be,pn %icc, 4f /* CTI */
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srlx %o4, 40, %o5 /* IEU0 */
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andcc %o5, 0xff, %g0 /* IEU1 Group */
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be,pn %icc, 4f /* CTI */
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srlx %o4, 32, %o5 /* IEU0 */
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andcc %o5, 0xff, %g0 /* IEU1 Group */
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be,pn %icc, 4f /* CTI */
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3: srlx %o4, 24, %o5 /* IEU0 */
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andcc %o5, 0xff, %g0 /* IEU1 Group */
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be,pn %icc, 4f /* CTI */
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srlx %o4, 16, %o5 /* IEU0 */
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andcc %o5, 0xff, %g0 /* IEU1 Group */
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be,pn %icc, 4f /* CTI */
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srlx %o4, 8, %o5 /* IEU0 */
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andcc %o5, 0xff, %g0 /* IEU1 Group */
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be,pn %icc, 4f /* CTI */
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andcc %o4, 0xff, %g0 /* IEU1 Group */
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bne,a,pn %icc, 2b /* CTI */
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ldxa [%o1 + %o0] ASI_PNF, %o3 /* Load */
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4: retl /* CTI+IEU1 Group */
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clr %o0 /* IEU0 */
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.align 32
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13: mov 0xff, %g6 /* IEU0 Group */
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#ifdef EIGHTBIT_NOT_RARE
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andcc %g4, %g2, %g0 /* IEU1 */
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#else
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andcc %g3, %g2, %g0 /* IEU1 */
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#endif
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be,pt %xcc, 25f /* CTI */
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addcc %g3, %g1, %o4 /* IEU1 Group */
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srlx %g3, 32, %g3 /* IEU0 */
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andcc %g3, %g2, %g0 /* IEU1 Group */
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be,pt %xcc, 23f /* CTI */
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sllx %g6, 56, %o5 /* IEU0 */
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andcc %o4, %o5, %g0 /* IEU1 Group */
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be,pn %xcc, 24f /* CTI */
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sllx %g6, 48, %o5 /* IEU0 */
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andcc %o4, %o5, %g0 /* IEU1 Group */
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be,pn %xcc, 24f /* CTI */
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sllx %g6, 40, %o5 /* IEU0 */
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andcc %o4, %o5, %g0 /* IEU1 Group */
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be,pn %xcc, 24f /* CTI */
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sllx %g6, 32, %o5 /* IEU0 */
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andcc %o4, %o5, %g0 /* IEU1 Group */
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be,pn %xcc, 24f /* CTI */
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23: sllx %g6, 24, %o5 /* IEU0 */
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andcc %o4, %o5, %g0 /* IEU1 Group */
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be,pn %icc, 24f /* CTI */
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sllx %g6, 16, %o5 /* IEU0 */
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andcc %o4, %o5, %g0 /* IEU1 Group */
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be,pn %icc, 24f /* CTI */
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sllx %g6, 8, %o5 /* IEU0 */
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andcc %o4, %o5, %g0 /* IEU1 Group */
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be,pn %icc, 24f /* CTI */
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mov %g6, %o5 /* IEU0 */
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25: cmp %o4, %o3 /* IEU1 Group */
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5: mov -1, %o0 /* IEU0 */
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retl /* CTI+IEU1 Group */
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movgu %xcc, 1, %o0 /* Single Group */
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.align 16
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24: sub %o5, 1, %g6 /* IEU0 Group */
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clr %o0 /* IEU1 */
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or %o5, %g6, %o5 /* IEU0 Group */
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andn %o4, %o5, %o4 /* IEU0 Group */
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andn %o3, %o5, %o3 /* IEU1 */
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cmp %o4, %o3 /* IEU1 Group */
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movgu %xcc, 1, %o0 /* Single Group */
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retl /* CTI+IEU1 Group */
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movlu %xcc, -1, %o0 /* Single Group */
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6: retl /* CTI+IEU1 Group */
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mov %o4, %o0 /* IEU0 */
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.align 16
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7: ldub [%o0], %o2 /* Load */
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add %o0, 1, %o0 /* IEU1 */
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ldub [%o1], %o3 /* Load Group */
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sllx %g1, 32, %g2 /* IEU0 */
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8: add %o1, 1, %o1 /* IEU1 */
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subcc %o2, %o3, %o4 /* IEU1 Group */
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bne,pn %xcc, 6b /* CTI */
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lduba [%o0] ASI_PNF, %o2 /* Load */
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brz,pn %o3, 4b /* CTI+IEU1 Group */
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lduba [%o1] ASI_PNF, %o3 /* Load */
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andcc %o0, 7, %g0 /* IEU1 Group */
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bne,a,pn %icc, 8b /* CTI */
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add %o0, 1, %o0 /* IEU0 */
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or %g1, %g2, %g1 /* IEU0 Group */
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andcc %o1, 7, %g3 /* IEU1 */
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be,a,pn %icc, 1b /* CTI */
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ldxa [%o0] ASI_PNF, %o2 /* Load Group */
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9: sllx %g3, 3, %g5 /* IEU0 */
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mov 64, %o5 /* IEU1 */
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sub %o1, %g3, %o1 /* IEU0 Group */
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sub %o5, %g5, %o5 /* IEU1 */
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ldxa [%o1] ASI_PNF, %g6 /* Load Group */
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or %g1, %g2, %g1 /* IEU0 */
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sub %o1, %o0, %o1 /* IEU1 */
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sllx %g1, 7, %g2 /* IEU0 Group */
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add %o1, 8, %o1 /* IEU1 */
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/* %g1 = 0101010101010101
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* %g2 = 8080808080800880
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* %g5 = number of bits to shift left
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* %o5 = number of bits to shift right */
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10: sllx %g6, %g5, %o3 /* IEU0 Group */
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ldxa [%o1 + %o0] ASI_PNF, %g6 /* Load */
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11: srlx %g6, %o5, %o4 /* IEU0 Group */
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ldxa [%o0] ASI_PNF, %o2 /* Load */
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or %o3, %o4, %o3 /* IEU1 */
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add %o0, 8, %o0 /* IEU0 Group */
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subcc %o2, %o3, %g0 /* IEU1 */
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#ifdef EIGHTBIT_NOT_RARE
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sub %o2, %g1, %g3 /* IEU0 Group */
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bne,pn %xcc, 13b /* CTI */
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andn %g3, %o2, %g4 /* IEU0 Group */
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andcc %g4, %g2, %g0 /* IEU1 Group */
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be,pt %xcc, 10b /* CTI */
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srlx %g4, 32, %g4 /* IEU0 */
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andcc %g4, %g2, %g0 /* IEU1 Group */
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#else
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bne,pn %xcc, 13b /* CTI */
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sub %o2, %g1, %g3 /* IEU0 Group */
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andcc %g3, %g2, %g0 /* IEU1 Group */
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be,pt %xcc, 10b /* CTI */
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srlx %g3, 32, %g3 /* IEU0 */
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andcc %g3, %g2, %g0 /* IEU1 Group */
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#endif
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be,pt %xcc, 12f /* CTI */
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srlx %o2, 56, %g3 /* IEU0 */
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andcc %g3, 0xff, %g0 /* IEU1 Group */
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be,pn %icc, 4b /* CTI */
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srlx %o2, 48, %g3 /* IEU0 */
|
|
|
|
andcc %g3, 0xff, %g0 /* IEU1 Group */
|
|
be,pn %icc, 4b /* CTI */
|
|
srlx %o2, 40, %g3 /* IEU0 */
|
|
andcc %g3, 0xff, %g0 /* IEU1 Group */
|
|
|
|
be,pn %icc, 4b /* CTI */
|
|
srlx %o2, 32, %g3 /* IEU0 */
|
|
andcc %g3, 0xff, %g0 /* IEU1 Group */
|
|
be,pn %icc, 4b /* CTI */
|
|
|
|
12: srlx %o2, 24, %g3 /* IEU0 */
|
|
andcc %g3, 0xff, %g0 /* IEU1 Group */
|
|
be,pn %icc, 4b /* CTI */
|
|
srlx %o2, 16, %g3 /* IEU0 */
|
|
|
|
andcc %g3, 0xff, %g0 /* IEU1 Group */
|
|
be,pn %icc, 4b /* CTI */
|
|
srlx %o2, 8, %g3 /* IEU0 */
|
|
andcc %g3, 0xff, %g0 /* IEU1 Group */
|
|
|
|
be,pn %icc, 4b /* CTI */
|
|
andcc %o2, 0xff, %g0 /* IEU1 Group */
|
|
be,pn %icc, 4b /* CTI */
|
|
sllx %g6, %g5, %o3 /* IEU0 */
|
|
|
|
ba,pt %xcc, 11b /* CTI Group */
|
|
ldxa [%o1 + %o0] ASI_PNF, %g6 /* Load */
|
|
END(strcmp)
|
|
libc_hidden_builtin_def (strcmp)
|