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b4c21601b1
This patch provides optimized versions of strcspn and wcscspn with the z13 vector instructions. ChangeLog: * sysdeps/s390/multiarch/strcspn-c.c: New File. * sysdeps/s390/multiarch/strcspn-vx.S: Likewise. * sysdeps/s390/multiarch/strcspn.c: Likewise. * sysdeps/s390/multiarch/wcscspn-c.c: Likewise. * sysdeps/s390/multiarch/wcscspn-vx.S: Likewise. * sysdeps/s390/multiarch/wcscspn.c: Likewise. * sysdeps/s390/multiarch/Makefile (sysdep_routines): Add strcspn and wcscspn functions. * sysdeps/s390/multiarch/ifunc-impl-list.c (__libc_ifunc_impl_list): Add ifunc test for strcspn, wcscspn. * wcsmbs/wcscspn.c: Use WCSCSPN if defined. * string/test-strcspn.c: Add wcscspn support. * wcsmbs/test-wcscspn.c: New File. * wcsmbs/Makefile (strop-tests): Add wcscspn. * benchtests/bench-strcspn.c: Add wcscspn support. * benchtests/bench-wcscspn.c: New File. * benchtests/Makefile (wcsmbs-bench): Add wcscspn.
81 lines
2.1 KiB
C
81 lines
2.1 KiB
C
/* Measure strcspn functions.
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Copyright (C) 2013-2015 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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<http://www.gnu.org/licenses/>. */
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#define STRPBRK_RESULT(s, pos) (pos)
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#define RES_TYPE size_t
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#define TEST_MAIN
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#ifndef WIDE
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# define TEST_NAME "strcspn"
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#else
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# define TEST_NAME "wcscspn"
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#endif /* WIDE */
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#include "bench-string.h"
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#ifndef WIDE
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# define STRCSPN strcspn
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# define CHAR char
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# define SIMPLE_STRCSPN simple_strcspn
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# define STUPID_STRCSPN stupid_strcspn
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# define STRLEN strlen
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#else
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# include <wchar.h>
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# define STRCSPN wcscspn
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# define CHAR wchar_t
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# define SIMPLE_STRCSPN simple_wcscspn
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# define STUPID_STRCSPN stupid_wcscspn
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# define STRLEN wcslen
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#endif /* WIDE */
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typedef size_t (*proto_t) (const CHAR *, const CHAR *);
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size_t SIMPLE_STRCSPN (const CHAR *, const CHAR *);
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size_t STUPID_STRCSPN (const CHAR *, const CHAR *);
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IMPL (STUPID_STRCSPN, 0)
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IMPL (SIMPLE_STRCSPN, 0)
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IMPL (STRCSPN, 1)
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size_t
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SIMPLE_STRCSPN (const CHAR *s, const CHAR *rej)
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{
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const CHAR *r, *str = s;
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CHAR c;
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while ((c = *s++) != '\0')
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for (r = rej; *r != '\0'; ++r)
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if (*r == c)
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return s - str - 1;
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return s - str - 1;
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}
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size_t
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STUPID_STRCSPN (const CHAR *s, const CHAR *rej)
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{
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size_t ns = STRLEN (s), nrej = STRLEN (rej);
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size_t i, j;
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for (i = 0; i < ns; ++i)
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for (j = 0; j < nrej; ++j)
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if (s[i] == rej[j])
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return i;
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return i;
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}
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#undef CHAR
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#undef STRLEN
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#include "bench-strpbrk.c"
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