Add optimized strncasecmp versions for x86-64.
This commit is contained in:
Ulrich Drepper
parent
ca6bb004eb
commit
e9f82e0d1d
17
ChangeLog
17
ChangeLog
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@ -1,5 +1,22 @@
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2010-08-14 Ulrich Drepper <drepper@redhat.com>
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* sysdeps/x86_64/Makefile [subdir=string] (sysdep_routines): Add
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strncase_l-nonascii.
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* sysdeps/x86_64/multiarch/Makefile [subdir=string] (sysdep_routines):
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Add strncase_l-ssse3.
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* sysdeps/x86_64/multiarch/strcmp.S: Prepare for use as strncasecmp.
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* sysdeps/x86_64/strcmp.S: Likewise.
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* sysdeps/x86_64/multiarch/strncase_l-ssse3.S: New file.
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* sysdeps/x86_64/multiarch/strncase_l.S: New file.
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* sysdeps/x86_64/strncase.S: New file.
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* sysdeps/x86_64/strncase_l-nonascii.c: New file.
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* sysdeps/x86_64/strncase_l.S: New file.
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* string/Makefile (strop-tests): Add strncasecmp.
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* string/test-strncasecmp.c: New file.
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* sysdeps/x86_64/strcasecmp_l-nonascii.c: Add prototype to avoid
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warning.
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* sysdeps/x86_64/strcmp.S: Move definition of NO_NOLOCALE_ALIAS to...
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* sysdeps/x86_64/multiarch/strcasecmp_l-ssse3.S: ... here.
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5
NEWS
5
NEWS
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@ -1,4 +1,4 @@
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GNU C Library NEWS -- history of user-visible changes. 2010-8-12
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GNU C Library NEWS -- history of user-visible changes. 2010-8-14
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Copyright (C) 1992-2009, 2010 Free Software Foundation, Inc.
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See the end for copying conditions.
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@ -15,7 +15,8 @@ Version 2.13
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* POWER7 optimizations: memset, memcmp, strncmp
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* New optimized string functions for x86-64: strnlen, strcasecmp
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* New optimized string functions for x86-64: strnlen (SSE2),
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strcasecmp (SSE2, SSSE3, SSE4.2), strncasecmp (SSE2, SSSE3, SSE4.2)
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Implemented by Ulrich Drepper.
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Version 2.12
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@ -49,7 +49,7 @@ o-objects.ob := memcpy.o memset.o memchr.o
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strop-tests := memchr memcmp memcpy memmove mempcpy memset memccpy \
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stpcpy stpncpy strcat strchr strcmp strcpy strcspn \
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strlen strncmp strncpy strpbrk strrchr strspn memmem \
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strstr strcasestr strnlen strcasecmp
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strstr strcasestr strnlen strcasecmp strncasecmp
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tests := tester inl-tester noinl-tester testcopy test-ffs \
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tst-strlen stratcliff tst-svc tst-inlcall \
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bug-strncat1 bug-strspn1 bug-strpbrk1 tst-bswap \
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@ -0,0 +1,318 @@
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/* Test and measure strncasecmp functions.
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Copyright (C) 1999, 2002, 2003, 2005, 2010 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Written by Jakub Jelinek <jakub@redhat.com>, 1999.
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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 <ctype.h>
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#define TEST_MAIN
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#include "test-string.h"
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typedef int (*proto_t) (const char *, const char *, size_t);
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static int simple_strncasecmp (const char *, const char *, size_t);
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static int stupid_strncasecmp (const char *, const char *, size_t);
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IMPL (stupid_strncasecmp, 0)
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IMPL (simple_strncasecmp, 0)
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IMPL (strncasecmp, 1)
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static int
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simple_strncasecmp (const char *s1, const char *s2, size_t n)
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{
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int ret;
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if (n == 0)
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return 0;
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while ((ret = ((unsigned char) tolower (*s1)
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- (unsigned char) tolower (*s2))) == 0
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&& *s1++)
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{
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if (--n == 0)
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return 0;
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++s2;
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}
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return ret;
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}
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static int
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stupid_strncasecmp (const char *s1, const char *s2, size_t max)
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{
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size_t ns1 = strlen (s1) + 1;
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size_t ns2 = strlen (s2) + 1;
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size_t n = ns1 < ns2 ? ns1 : ns2;
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if (n > max)
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n = max;
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int ret = 0;
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while (n--)
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{
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if ((ret = ((unsigned char) tolower (*s1)
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- (unsigned char) tolower (*s2))) != 0)
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break;
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++s1;
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++s2;
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}
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return ret;
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}
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static void
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do_one_test (impl_t *impl, const char *s1, const char *s2, size_t n,
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int exp_result)
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{
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int result = CALL (impl, s1, s2, n);
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if ((exp_result == 0 && result != 0)
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|| (exp_result < 0 && result >= 0)
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|| (exp_result > 0 && result <= 0))
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{
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error (0, 0, "Wrong result in function %s %d %d", impl->name,
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result, exp_result);
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ret = 1;
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return;
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}
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if (HP_TIMING_AVAIL)
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{
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hp_timing_t start __attribute ((unused));
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hp_timing_t stop __attribute ((unused));
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hp_timing_t best_time = ~ (hp_timing_t) 0;
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size_t i;
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for (i = 0; i < 32; ++i)
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{
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HP_TIMING_NOW (start);
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CALL (impl, s1, s2, n);
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HP_TIMING_NOW (stop);
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HP_TIMING_BEST (best_time, start, stop);
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}
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printf ("\t%zd", (size_t) best_time);
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}
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}
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static void
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do_test (size_t align1, size_t align2, size_t n, size_t len, int max_char,
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int exp_result)
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{
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size_t i;
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char *s1, *s2;
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if (len == 0)
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return;
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align1 &= 7;
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if (align1 + len + 1 >= page_size)
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return;
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align2 &= 7;
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if (align2 + len + 1 >= page_size)
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return;
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s1 = (char *) (buf1 + align1);
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s2 = (char *) (buf2 + align2);
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for (i = 0; i < len; i++)
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{
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s1[i] = toupper (1 + 23 * i % max_char);
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s2[i] = tolower (s1[i]);
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}
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s1[len] = s2[len] = 0;
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s1[len + 1] = 23;
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s2[len + 1] = 24 + exp_result;
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if ((s2[len - 1] == 'z' && exp_result == -1)
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|| (s2[len - 1] == 'a' && exp_result == 1))
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s1[len - 1] += exp_result;
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else
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s2[len - 1] -= exp_result;
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if (HP_TIMING_AVAIL)
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printf ("Length %4zd, alignment %2zd/%2zd:", len, align1, align2);
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FOR_EACH_IMPL (impl, 0)
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do_one_test (impl, s1, s2, n, exp_result);
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if (HP_TIMING_AVAIL)
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putchar ('\n');
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}
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static void
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do_random_tests (void)
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{
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size_t i, j, n, align1, align2, pos, len1, len2;
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int result;
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long r;
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unsigned char *p1 = buf1 + page_size - 512;
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unsigned char *p2 = buf2 + page_size - 512;
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for (n = 0; n < ITERATIONS; n++)
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{
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align1 = random () & 31;
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if (random () & 1)
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align2 = random () & 31;
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else
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align2 = align1 + (random () & 24);
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pos = random () & 511;
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j = align1 > align2 ? align1 : align2;
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if (pos + j >= 511)
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pos = 510 - j - (random () & 7);
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len1 = random () & 511;
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if (pos >= len1 && (random () & 1))
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len1 = pos + (random () & 7);
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if (len1 + j >= 512)
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len1 = 511 - j - (random () & 7);
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if (pos >= len1)
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len2 = len1;
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else
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len2 = len1 + (len1 != 511 - j ? random () % (511 - j - len1) : 0);
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j = (pos > len2 ? pos : len2) + align1 + 64;
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if (j > 512)
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j = 512;
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for (i = 0; i < j; ++i)
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{
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p1[i] = tolower (random () & 255);
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if (i < len1 + align1 && !p1[i])
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{
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p1[i] = tolower (random () & 255);
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if (!p1[i])
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p1[i] = tolower (1 + (random () & 127));
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}
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}
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for (i = 0; i < j; ++i)
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{
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p2[i] = toupper (random () & 255);
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if (i < len2 + align2 && !p2[i])
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{
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p2[i] = toupper (random () & 255);
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if (!p2[i])
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toupper (p2[i] = 1 + (random () & 127));
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}
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}
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result = 0;
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memcpy (p2 + align2, p1 + align1, pos);
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if (pos < len1)
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{
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if (tolower (p2[align2 + pos]) == p1[align1 + pos])
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{
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p2[align2 + pos] = toupper (random () & 255);
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if (tolower (p2[align2 + pos]) == p1[align1 + pos])
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p2[align2 + pos] = toupper (p1[align1 + pos]
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+ 3 + (random () & 127));
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}
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if (p1[align1 + pos] < tolower (p2[align2 + pos]))
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result = -1;
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else
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result = 1;
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}
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p1[len1 + align1] = 0;
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p2[len2 + align2] = 0;
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FOR_EACH_IMPL (impl, 1)
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{
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r = CALL (impl, (char *) (p1 + align1), (char *) (p2 + align2),
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pos + 1 + (random () & 255));
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/* Test whether on 64-bit architectures where ABI requires
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callee to promote has the promotion been done. */
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asm ("" : "=g" (r) : "0" (r));
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if ((r == 0 && result)
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|| (r < 0 && result >= 0)
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|| (r > 0 && result <= 0))
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{
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error (0, 0, "Iteration %zd - wrong result in function %s (%zd, %zd, %zd, %zd, %zd) %ld != %d, p1 %p p2 %p",
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n, impl->name, align1, align2, len1, len2, pos, r, result, p1, p2);
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ret = 1;
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}
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}
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}
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}
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int
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test_main (void)
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{
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size_t i;
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test_init ();
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printf ("%23s", "");
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FOR_EACH_IMPL (impl, 0)
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printf ("\t%s", impl->name);
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putchar ('\n');
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for (i = 1; i < 16; ++i)
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{
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do_test (i, i, i - 1, i, 127, 0);
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do_test (i, i, i, i, 127, 0);
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do_test (i, i, i, i, 127, 1);
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do_test (i, i, i, i, 127, -1);
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do_test (i, i, i + 1, i, 127, 0);
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do_test (i, i, i + 1, i, 127, 1);
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do_test (i, i, i + 1, i, 127, -1);
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}
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for (i = 1; i < 10; ++i)
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{
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do_test (0, 0, (2 << i) - 1, 2 << i, 127, 0);
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do_test (0, 0, 2 << i, 2 << i, 254, 0);
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do_test (0, 0, (2 << i) + 1, 2 << i, 127, 0);
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do_test (0, 0, (2 << i) + 1, 2 << i, 254, 0);
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do_test (0, 0, 2 << i, 2 << i, 127, 1);
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do_test (0, 0, (2 << i) + 10, 2 << i, 127, 1);
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do_test (0, 0, 2 << i, 2 << i, 254, 1);
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do_test (0, 0, (2 << i) + 10, 2 << i, 254, 1);
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do_test (0, 0, 2 << i, 2 << i, 127, -1);
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do_test (0, 0, (2 << i) + 10, 2 << i, 127, -1);
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do_test (0, 0, 2 << i, 2 << i, 254, -1);
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do_test (0, 0, (2 << i) + 10, 2 << i, 254, -1);
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}
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for (i = 1; i < 8; ++i)
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{
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do_test (i, 2 * i, (8 << i) - 1, 8 << i, 127, 0);
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do_test (i, 2 * i, 8 << i, 8 << i, 127, 0);
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do_test (i, 2 * i, (8 << i) + 100, 8 << i, 127, 0);
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do_test (2 * i, i, (8 << i) - 1, 8 << i, 254, 0);
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do_test (2 * i, i, 8 << i, 8 << i, 254, 0);
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do_test (2 * i, i, (8 << i) + 100, 8 << i, 254, 0);
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do_test (i, 2 * i, 8 << i, 8 << i, 127, 1);
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do_test (i, 2 * i, (8 << i) + 100, 8 << i, 127, 1);
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do_test (2 * i, i, 8 << i, 8 << i, 254, 1);
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do_test (2 * i, i, (8 << i) + 100, 8 << i, 254, 1);
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do_test (i, 2 * i, 8 << i, 8 << i, 127, -1);
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do_test (i, 2 * i, (8 << i) + 100, 8 << i, 127, -1);
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do_test (2 * i, i, 8 << i, 8 << i, 254, -1);
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do_test (2 * i, i, (8 << i) + 100, 8 << i, 254, -1);
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}
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do_random_tests ();
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return ret;
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}
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#include "../test-skeleton.c"
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@ -12,7 +12,7 @@ sysdep_routines += _mcount
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endif
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ifeq ($(subdir),string)
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sysdep_routines += cacheinfo strcasecmp_l-nonascii
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sysdep_routines += cacheinfo strcasecmp_l-nonascii strncase_l-nonascii
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gen-as-const-headers += locale-defines.sym
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endif
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@ -7,7 +7,8 @@ ifeq ($(subdir),string)
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sysdep_routines += stpncpy-c strncpy-c strcmp-ssse3 strncmp-ssse3 \
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strend-sse4 memcmp-sse4 memcpy-ssse3 mempcpy-ssse3 \
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memmove-ssse3 memcpy-ssse3-back mempcpy-ssse3-back \
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memmove-ssse3-back strcasestr-nonascii strcasecmp_l-ssse3
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memmove-ssse3-back strcasestr-nonascii strcasecmp_l-ssse3 \
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strncase_l-ssse3
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ifeq (yes,$(config-cflags-sse4))
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sysdep_routines += strcspn-c strpbrk-c strspn-c strstr-c strcasestr-c
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CFLAGS-strcspn-c.c += -msse4
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File diff suppressed because it is too large
Load Diff
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@ -0,0 +1,6 @@
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#define USE_SSSE3 1
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#define USE_AS_STRNCASECMP_L
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#define NO_NOLOCALE_ALIAS
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#define STRCMP __strncasecmp_l_ssse3
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#define __strncasecmp __strncasecmp_ssse3
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#include "../strcmp.S"
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@ -0,0 +1,6 @@
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#define STRCMP __strncasecmp_l
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#define USE_AS_STRNCASECMP_L
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#include "strcmp.S"
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weak_alias (__strncasecmp_l, strncasecmp_l)
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libc_hidden_def (strncasecmp_l)
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@ -1,5 +1,8 @@
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#include <string.h>
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extern int __strcasecmp_l_nonascii (__const char *__s1, __const char *__s2,
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__locale_t __loc);
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#define __strcasecmp_l __strcasecmp_l_nonascii
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#define USE_IN_EXTENDED_LOCALE_MODEL 1
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#include <string/strcasecmp.c>
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|
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@ -60,10 +60,26 @@
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# endif
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# define UPDATE_STRNCMP_COUNTER
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#elif defined USE_AS_STRNCASECMP_L
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# include "locale-defines.h"
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/* No support for strncasecmp outside libc so far since it is not needed. */
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# ifdef NOT_IN_lib
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# error "strncasecmp_l not implemented so far"
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# endif
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||||
# define UPDATE_STRNCMP_COUNTER \
|
||||
/* calculate left number to compare */ \
|
||||
lea -16(%rcx, %r11), %r9; \
|
||||
cmp %r9, %r11; \
|
||||
jb LABEL(strcmp_exitz); \
|
||||
test %r9, %r9; \
|
||||
je LABEL(strcmp_exitz); \
|
||||
mov %r9, %r11
|
||||
#else
|
||||
# define UPDATE_STRNCMP_COUNTER
|
||||
# ifndef STRCMP
|
||||
# define STRCMP strcmp
|
||||
# define STRCMP strncasecmp
|
||||
# endif
|
||||
#endif
|
||||
|
||||
|
|
@ -79,7 +95,7 @@
|
|||
# define END2(name) END (name)
|
||||
# endif
|
||||
|
||||
ENTRY2 (__strcasecmp)
|
||||
ENTRY2 (__strcasecmp)
|
||||
movq __libc_tsd_LOCALE@gottpoff(%rip),%rax
|
||||
movq %fs:(%rax),%rdx
|
||||
|
||||
|
|
@ -92,6 +108,25 @@ weak_alias (__strcasecmp, strcasecmp)
|
|||
libc_hidden_def (__strcasecmp)
|
||||
# endif
|
||||
/* FALLTHROUGH to strcasecmp_l. */
|
||||
#elif defined USE_AS_STRNCASECMP_L
|
||||
# ifndef ENTRY2
|
||||
# define ENTRY2(name) ENTRY (name)
|
||||
# define END2(name) END (name)
|
||||
# endif
|
||||
|
||||
ENTRY2 (__strncasecmp)
|
||||
movq __libc_tsd_LOCALE@gottpoff(%rip),%rax
|
||||
movq %fs:(%rax),%r10
|
||||
|
||||
// XXX 5 byte should be before the function
|
||||
/* 5-byte NOP. */
|
||||
.byte 0x0f,0x1f,0x44,0x00,0x00
|
||||
END2 (__strncasecmp)
|
||||
# ifndef NO_NOLOCALE_ALIAS
|
||||
weak_alias (__strncasecmp, strncasecmp)
|
||||
libc_hidden_def (__strncasecmp)
|
||||
# endif
|
||||
/* FALLTHROUGH to strncasecmp_l. */
|
||||
#endif
|
||||
|
||||
ENTRY (BP_SYM (STRCMP))
|
||||
|
|
@ -124,12 +159,22 @@ END (BP_SYM (STRCMP))
|
|||
# endif
|
||||
testl $0, LOCALE_DATA_VALUES+_NL_CTYPE_NONASCII_CASE*SIZEOF_VALUES(%rax)
|
||||
jne __strcasecmp_l_nonascii
|
||||
# elif defined USE_AS_STRNCASECMP_L
|
||||
/* We have to fall back on the C implementation for locales
|
||||
with encodings not matching ASCII for single bytes. */
|
||||
# if LOCALE_T___LOCALES != 0 || LC_CTYPE != 0
|
||||
movq LOCALE_T___LOCALES+LC_CTYPE*8(%r10), %rax
|
||||
# else
|
||||
movq (%r10), %rax
|
||||
# endif
|
||||
testl $0, LOCALE_DATA_VALUES+_NL_CTYPE_NONASCII_CASE*SIZEOF_VALUES(%rax)
|
||||
jne __strncasecmp_l_nonascii
|
||||
# endif
|
||||
|
||||
/*
|
||||
* This implementation uses SSE to compare up to 16 bytes at a time.
|
||||
*/
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
test %rdx, %rdx
|
||||
je LABEL(strcmp_exitz)
|
||||
cmp $1, %rdx
|
||||
|
|
@ -141,7 +186,7 @@ END (BP_SYM (STRCMP))
|
|||
/* Use 64bit AND here to avoid long NOP padding. */
|
||||
and $0x3f, %rcx /* rsi alignment in cache line */
|
||||
and $0x3f, %rax /* rdi alignment in cache line */
|
||||
# ifdef USE_AS_STRCASECMP_L
|
||||
# if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
|
||||
.section .rodata.cst16,"aM",@progbits,16
|
||||
.align 16
|
||||
.Lbelowupper:
|
||||
|
|
@ -155,11 +200,11 @@ END (BP_SYM (STRCMP))
|
|||
.quad 0x2020202020202020
|
||||
.previous
|
||||
movdqa .Lbelowupper(%rip), %xmm5
|
||||
# define UCLOW_reg %xmm5
|
||||
# define UCLOW_reg %xmm5
|
||||
movdqa .Ltopupper(%rip), %xmm6
|
||||
# define UCHIGH_reg %xmm6
|
||||
# define UCHIGH_reg %xmm6
|
||||
movdqa .Ltouppermask(%rip), %xmm7
|
||||
# define LCQWORD_reg %xmm7
|
||||
# define LCQWORD_reg %xmm7
|
||||
# endif
|
||||
cmp $0x30, %ecx
|
||||
ja LABEL(crosscache) /* rsi: 16-byte load will cross cache line */
|
||||
|
|
@ -169,7 +214,7 @@ END (BP_SYM (STRCMP))
|
|||
movlpd (%rsi), %xmm2
|
||||
movhpd 8(%rdi), %xmm1
|
||||
movhpd 8(%rsi), %xmm2
|
||||
# ifdef USE_AS_STRCASECMP_L
|
||||
# if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
|
||||
# define TOLOWER(reg1, reg2) \
|
||||
movdqa reg1, %xmm8; \
|
||||
movdqa UCHIGH_reg, %xmm9; \
|
||||
|
|
@ -196,7 +241,7 @@ END (BP_SYM (STRCMP))
|
|||
pmovmskb %xmm1, %edx
|
||||
sub $0xffff, %edx /* if first 16 bytes are same, edx == 0xffff */
|
||||
jnz LABEL(less16bytes) /* If not, find different value or null char */
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
sub $16, %r11
|
||||
jbe LABEL(strcmp_exitz) /* finish comparision */
|
||||
# endif
|
||||
|
|
@ -241,7 +286,7 @@ LABEL(ashr_0):
|
|||
movdqa (%rsi), %xmm1
|
||||
pxor %xmm0, %xmm0 /* clear %xmm0 for null char check */
|
||||
pcmpeqb %xmm1, %xmm0 /* Any null chars? */
|
||||
# ifndef USE_AS_STRCASECMP_L
|
||||
# if !defined USE_AS_STRCASECMP_L && !defined USE_AS_STRNCASECMP_L
|
||||
pcmpeqb (%rdi), %xmm1 /* compare 16 bytes for equality */
|
||||
# else
|
||||
movdqa (%rdi), %xmm2
|
||||
|
|
@ -280,7 +325,7 @@ LABEL(loop_ashr_0):
|
|||
sub $0xffff, %edx
|
||||
jnz LABEL(exit) /* mismatch or null char seen */
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
sub $16, %r11
|
||||
jbe LABEL(strcmp_exitz)
|
||||
# endif
|
||||
|
|
@ -295,7 +340,7 @@ LABEL(loop_ashr_0):
|
|||
pmovmskb %xmm1, %edx
|
||||
sub $0xffff, %edx
|
||||
jnz LABEL(exit)
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
sub $16, %r11
|
||||
jbe LABEL(strcmp_exitz)
|
||||
# endif
|
||||
|
|
@ -363,7 +408,7 @@ LABEL(gobble_ashr_1):
|
|||
sub $0xffff, %edx
|
||||
jnz LABEL(exit)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
sub $16, %r11
|
||||
jbe LABEL(strcmp_exitz)
|
||||
# endif
|
||||
|
|
@ -393,7 +438,7 @@ LABEL(gobble_ashr_1):
|
|||
sub $0xffff, %edx
|
||||
jnz LABEL(exit)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
sub $16, %r11
|
||||
jbe LABEL(strcmp_exitz)
|
||||
# endif
|
||||
|
|
@ -412,7 +457,7 @@ LABEL(nibble_ashr_1):
|
|||
test $0xfffe, %edx
|
||||
jnz LABEL(ashr_1_exittail) /* find null char*/
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
cmp $14, %r11
|
||||
jbe LABEL(ashr_1_exittail)
|
||||
# endif
|
||||
|
|
@ -493,7 +538,7 @@ LABEL(gobble_ashr_2):
|
|||
sub $0xffff, %edx
|
||||
jnz LABEL(exit)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
sub $16, %r11
|
||||
jbe LABEL(strcmp_exitz)
|
||||
# endif
|
||||
|
|
@ -524,7 +569,7 @@ LABEL(gobble_ashr_2):
|
|||
sub $0xffff, %edx
|
||||
jnz LABEL(exit)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
sub $16, %r11
|
||||
jbe LABEL(strcmp_exitz)
|
||||
# endif
|
||||
|
|
@ -540,7 +585,7 @@ LABEL(nibble_ashr_2):
|
|||
test $0xfffc, %edx
|
||||
jnz LABEL(ashr_2_exittail)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
cmp $13, %r11
|
||||
jbe LABEL(ashr_2_exittail)
|
||||
# endif
|
||||
|
|
@ -618,7 +663,7 @@ LABEL(gobble_ashr_3):
|
|||
sub $0xffff, %edx
|
||||
jnz LABEL(exit)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
sub $16, %r11
|
||||
jbe LABEL(strcmp_exitz)
|
||||
# endif
|
||||
|
|
@ -649,7 +694,7 @@ LABEL(gobble_ashr_3):
|
|||
sub $0xffff, %edx
|
||||
jnz LABEL(exit)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
sub $16, %r11
|
||||
jbe LABEL(strcmp_exitz)
|
||||
# endif
|
||||
|
|
@ -665,7 +710,7 @@ LABEL(nibble_ashr_3):
|
|||
test $0xfff8, %edx
|
||||
jnz LABEL(ashr_3_exittail)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
cmp $12, %r11
|
||||
jbe LABEL(ashr_3_exittail)
|
||||
# endif
|
||||
|
|
@ -743,7 +788,7 @@ LABEL(gobble_ashr_4):
|
|||
sub $0xffff, %edx
|
||||
jnz LABEL(exit)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
sub $16, %r11
|
||||
jbe LABEL(strcmp_exitz)
|
||||
# endif
|
||||
|
|
@ -774,7 +819,7 @@ LABEL(gobble_ashr_4):
|
|||
sub $0xffff, %edx
|
||||
jnz LABEL(exit)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
sub $16, %r11
|
||||
jbe LABEL(strcmp_exitz)
|
||||
# endif
|
||||
|
|
@ -790,7 +835,7 @@ LABEL(nibble_ashr_4):
|
|||
test $0xfff0, %edx
|
||||
jnz LABEL(ashr_4_exittail)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
cmp $11, %r11
|
||||
jbe LABEL(ashr_4_exittail)
|
||||
# endif
|
||||
|
|
@ -868,7 +913,7 @@ LABEL(gobble_ashr_5):
|
|||
sub $0xffff, %edx
|
||||
jnz LABEL(exit)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRCASECMP_L
|
||||
sub $16, %r11
|
||||
jbe LABEL(strcmp_exitz)
|
||||
# endif
|
||||
|
|
@ -899,7 +944,7 @@ LABEL(gobble_ashr_5):
|
|||
sub $0xffff, %edx
|
||||
jnz LABEL(exit)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
sub $16, %r11
|
||||
jbe LABEL(strcmp_exitz)
|
||||
# endif
|
||||
|
|
@ -915,7 +960,7 @@ LABEL(nibble_ashr_5):
|
|||
test $0xffe0, %edx
|
||||
jnz LABEL(ashr_5_exittail)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
cmp $10, %r11
|
||||
jbe LABEL(ashr_5_exittail)
|
||||
# endif
|
||||
|
|
@ -993,7 +1038,7 @@ LABEL(gobble_ashr_6):
|
|||
sub $0xffff, %edx
|
||||
jnz LABEL(exit)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
sub $16, %r11
|
||||
jbe LABEL(strcmp_exitz)
|
||||
# endif
|
||||
|
|
@ -1024,7 +1069,7 @@ LABEL(gobble_ashr_6):
|
|||
sub $0xffff, %edx
|
||||
jnz LABEL(exit)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
sub $16, %r11
|
||||
jbe LABEL(strcmp_exitz)
|
||||
# endif
|
||||
|
|
@ -1040,7 +1085,7 @@ LABEL(nibble_ashr_6):
|
|||
test $0xffc0, %edx
|
||||
jnz LABEL(ashr_6_exittail)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
cmp $9, %r11
|
||||
jbe LABEL(ashr_6_exittail)
|
||||
# endif
|
||||
|
|
@ -1118,7 +1163,7 @@ LABEL(gobble_ashr_7):
|
|||
sub $0xffff, %edx
|
||||
jnz LABEL(exit)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
sub $16, %r11
|
||||
jbe LABEL(strcmp_exitz)
|
||||
# endif
|
||||
|
|
@ -1149,7 +1194,7 @@ LABEL(gobble_ashr_7):
|
|||
sub $0xffff, %edx
|
||||
jnz LABEL(exit)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
sub $16, %r11
|
||||
jbe LABEL(strcmp_exitz)
|
||||
# endif
|
||||
|
|
@ -1165,7 +1210,7 @@ LABEL(nibble_ashr_7):
|
|||
test $0xff80, %edx
|
||||
jnz LABEL(ashr_7_exittail)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
cmp $8, %r11
|
||||
jbe LABEL(ashr_7_exittail)
|
||||
# endif
|
||||
|
|
@ -1243,7 +1288,7 @@ LABEL(gobble_ashr_8):
|
|||
sub $0xffff, %edx
|
||||
jnz LABEL(exit)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
sub $16, %r11
|
||||
jbe LABEL(strcmp_exitz)
|
||||
# endif
|
||||
|
|
@ -1274,7 +1319,7 @@ LABEL(gobble_ashr_8):
|
|||
sub $0xffff, %edx
|
||||
jnz LABEL(exit)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
sub $16, %r11
|
||||
jbe LABEL(strcmp_exitz)
|
||||
# endif
|
||||
|
|
@ -1290,7 +1335,7 @@ LABEL(nibble_ashr_8):
|
|||
test $0xff00, %edx
|
||||
jnz LABEL(ashr_8_exittail)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
cmp $7, %r11
|
||||
jbe LABEL(ashr_8_exittail)
|
||||
# endif
|
||||
|
|
@ -1368,7 +1413,7 @@ LABEL(gobble_ashr_9):
|
|||
sub $0xffff, %edx
|
||||
jnz LABEL(exit)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
sub $16, %r11
|
||||
jbe LABEL(strcmp_exitz)
|
||||
# endif
|
||||
|
|
@ -1399,7 +1444,7 @@ LABEL(gobble_ashr_9):
|
|||
sub $0xffff, %edx
|
||||
jnz LABEL(exit)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
sub $16, %r11
|
||||
jbe LABEL(strcmp_exitz)
|
||||
# endif
|
||||
|
|
@ -1415,7 +1460,7 @@ LABEL(nibble_ashr_9):
|
|||
test $0xfe00, %edx
|
||||
jnz LABEL(ashr_9_exittail)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
cmp $6, %r11
|
||||
jbe LABEL(ashr_9_exittail)
|
||||
# endif
|
||||
|
|
@ -1493,7 +1538,7 @@ LABEL(gobble_ashr_10):
|
|||
sub $0xffff, %edx
|
||||
jnz LABEL(exit)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
sub $16, %r11
|
||||
jbe LABEL(strcmp_exitz)
|
||||
# endif
|
||||
|
|
@ -1524,7 +1569,7 @@ LABEL(gobble_ashr_10):
|
|||
sub $0xffff, %edx
|
||||
jnz LABEL(exit)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
sub $16, %r11
|
||||
jbe LABEL(strcmp_exitz)
|
||||
# endif
|
||||
|
|
@ -1540,7 +1585,7 @@ LABEL(nibble_ashr_10):
|
|||
test $0xfc00, %edx
|
||||
jnz LABEL(ashr_10_exittail)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
cmp $5, %r11
|
||||
jbe LABEL(ashr_10_exittail)
|
||||
# endif
|
||||
|
|
@ -1618,7 +1663,7 @@ LABEL(gobble_ashr_11):
|
|||
sub $0xffff, %edx
|
||||
jnz LABEL(exit)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
sub $16, %r11
|
||||
jbe LABEL(strcmp_exitz)
|
||||
# endif
|
||||
|
|
@ -1649,7 +1694,7 @@ LABEL(gobble_ashr_11):
|
|||
sub $0xffff, %edx
|
||||
jnz LABEL(exit)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
sub $16, %r11
|
||||
jbe LABEL(strcmp_exitz)
|
||||
# endif
|
||||
|
|
@ -1665,7 +1710,7 @@ LABEL(nibble_ashr_11):
|
|||
test $0xf800, %edx
|
||||
jnz LABEL(ashr_11_exittail)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
cmp $4, %r11
|
||||
jbe LABEL(ashr_11_exittail)
|
||||
# endif
|
||||
|
|
@ -1743,7 +1788,7 @@ LABEL(gobble_ashr_12):
|
|||
sub $0xffff, %edx
|
||||
jnz LABEL(exit)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
sub $16, %r11
|
||||
jbe LABEL(strcmp_exitz)
|
||||
# endif
|
||||
|
|
@ -1774,7 +1819,7 @@ LABEL(gobble_ashr_12):
|
|||
sub $0xffff, %edx
|
||||
jnz LABEL(exit)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
sub $16, %r11
|
||||
jbe LABEL(strcmp_exitz)
|
||||
# endif
|
||||
|
|
@ -1790,7 +1835,7 @@ LABEL(nibble_ashr_12):
|
|||
test $0xf000, %edx
|
||||
jnz LABEL(ashr_12_exittail)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
cmp $3, %r11
|
||||
jbe LABEL(ashr_12_exittail)
|
||||
# endif
|
||||
|
|
@ -1868,7 +1913,7 @@ LABEL(gobble_ashr_13):
|
|||
sub $0xffff, %edx
|
||||
jnz LABEL(exit)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
sub $16, %r11
|
||||
jbe LABEL(strcmp_exitz)
|
||||
# endif
|
||||
|
|
@ -1899,7 +1944,7 @@ LABEL(gobble_ashr_13):
|
|||
sub $0xffff, %edx
|
||||
jnz LABEL(exit)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
sub $16, %r11
|
||||
jbe LABEL(strcmp_exitz)
|
||||
# endif
|
||||
|
|
@ -1915,7 +1960,7 @@ LABEL(nibble_ashr_13):
|
|||
test $0xe000, %edx
|
||||
jnz LABEL(ashr_13_exittail)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
cmp $2, %r11
|
||||
jbe LABEL(ashr_13_exittail)
|
||||
# endif
|
||||
|
|
@ -1993,7 +2038,7 @@ LABEL(gobble_ashr_14):
|
|||
sub $0xffff, %edx
|
||||
jnz LABEL(exit)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
sub $16, %r11
|
||||
jbe LABEL(strcmp_exitz)
|
||||
# endif
|
||||
|
|
@ -2024,7 +2069,7 @@ LABEL(gobble_ashr_14):
|
|||
sub $0xffff, %edx
|
||||
jnz LABEL(exit)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP | defined USE_AS_STRNCASECMP_L
|
||||
sub $16, %r11
|
||||
jbe LABEL(strcmp_exitz)
|
||||
# endif
|
||||
|
|
@ -2040,7 +2085,7 @@ LABEL(nibble_ashr_14):
|
|||
test $0xc000, %edx
|
||||
jnz LABEL(ashr_14_exittail)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
cmp $1, %r11
|
||||
jbe LABEL(ashr_14_exittail)
|
||||
# endif
|
||||
|
|
@ -2120,7 +2165,7 @@ LABEL(gobble_ashr_15):
|
|||
sub $0xffff, %edx
|
||||
jnz LABEL(exit)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
sub $16, %r11
|
||||
jbe LABEL(strcmp_exitz)
|
||||
# endif
|
||||
|
|
@ -2151,7 +2196,7 @@ LABEL(gobble_ashr_15):
|
|||
sub $0xffff, %edx
|
||||
jnz LABEL(exit)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
sub $16, %r11
|
||||
jbe LABEL(strcmp_exitz)
|
||||
# endif
|
||||
|
|
@ -2167,7 +2212,7 @@ LABEL(nibble_ashr_15):
|
|||
test $0x8000, %edx
|
||||
jnz LABEL(ashr_15_exittail)
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
test %r11, %r11
|
||||
je LABEL(ashr_15_exittail)
|
||||
# endif
|
||||
|
|
@ -2205,14 +2250,14 @@ LABEL(ret):
|
|||
LABEL(less16bytes):
|
||||
bsf %rdx, %rdx /* find and store bit index in %rdx */
|
||||
|
||||
# ifdef USE_AS_STRNCMP
|
||||
# if defined USE_AS_STRNCMP || defined USE_AS_STRNCASECMP_L
|
||||
sub %rdx, %r11
|
||||
jbe LABEL(strcmp_exitz)
|
||||
# endif
|
||||
movzbl (%rsi, %rdx), %ecx
|
||||
movzbl (%rdi, %rdx), %eax
|
||||
|
||||
# ifdef USE_AS_STRCASECMP_L
|
||||
# if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
|
||||
leaq _nl_C_LC_CTYPE_tolower+128*4(%rip), %rdx
|
||||
movl (%rdx,%rcx,4), %ecx
|
||||
movl (%rdx,%rax,4), %eax
|
||||
|
|
@ -2230,6 +2275,12 @@ LABEL(Byte0):
|
|||
movzx (%rsi), %ecx
|
||||
movzx (%rdi), %eax
|
||||
|
||||
# if defined USE_AS_STRCASECMP_L || defined USE_AS_STRNCASECMP_L
|
||||
leaq _nl_C_LC_CTYPE_tolower+128*4(%rip), %rdx
|
||||
movl (%rdx,%rcx,4), %ecx
|
||||
movl (%rdx,%rax,4), %eax
|
||||
# endif
|
||||
|
||||
sub %ecx, %eax
|
||||
ret
|
||||
END (BP_SYM (STRCMP))
|
||||
|
|
|
|||
|
|
@ -0,0 +1 @@
|
|||
/* In strncase_l.S. */
|
||||
|
|
@ -0,0 +1,8 @@
|
|||
#include <string.h>
|
||||
|
||||
extern int __strncasecmp_l_nonascii (__const char *__s1, __const char *__s2,
|
||||
size_t __n, __locale_t __loc);
|
||||
|
||||
#define __strncasecmp_l __strncasecmp_l_nonascii
|
||||
#define USE_IN_EXTENDED_LOCALE_MODEL 1
|
||||
#include <string/strncase.c>
|
||||
|
|
@ -0,0 +1,6 @@
|
|||
#define STRCMP __strncasecmp_l
|
||||
#define USE_AS_STRNCASECMP_L
|
||||
#include "strcmp.S"
|
||||
|
||||
weak_alias (__strncasecmp_l, strncasecmp_l)
|
||||
libc_hidden_def (strncasecmp_l)
|
||||
Loading…
Reference in New Issue