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S390: Optimize stpcpy and wcpcpy.
This patch provides optimized versions of stpcpy and wcpcpy with the z13 vector instructions. ChangeLog: * sysdeps/s390/multiarch/stpcpy-c.c: New File. * sysdeps/s390/multiarch/stpcpy-vx.S: Likewise. * sysdeps/s390/multiarch/stpcpy.c: Likewise. * sysdeps/s390/multiarch/wcpcpy-c.c: Likewise. * sysdeps/s390/multiarch/wcpcpy-vx.S: Likewise. * sysdeps/s390/multiarch/wcpcpy.c: Likewise. * sysdeps/s390/multiarch/Makefile (sysdep_routines): Add stpcpy and wcpcpy functions. * string/stpcpy.c: Use STPCPY if defined. * wcsmbs/wcpcpy.c: Use WCPCPY if defined. * sysdeps/s390/multiarch/ifunc-impl-list.c (__libc_ifunc_impl_list): Add ifunc test for stpcpy, wcpcpy. * string/test-stpcpy.c: Add wcpcpy support. * wcsmbs/test-wcpcpy.c: New File. * wcsmbs/Makefile (strop-tests): Add wcpcpy. * benchtests/bench-stpcpy.c: Add wcpcpy support. * benchtests/bench-wcpcpy.c: New File. * benchtests/Makefile (wcsmbs-bench): Add wcpcpy.
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21
ChangeLog
21
ChangeLog
@ -1,3 +1,24 @@
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2015-08-26 Stefan Liebler <stli@linux.vnet.ibm.com>
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* sysdeps/s390/multiarch/stpcpy-c.c: New File.
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* sysdeps/s390/multiarch/stpcpy-vx.S: Likewise.
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* sysdeps/s390/multiarch/stpcpy.c: Likewise.
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* sysdeps/s390/multiarch/wcpcpy-c.c: Likewise.
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* sysdeps/s390/multiarch/wcpcpy-vx.S: Likewise.
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* sysdeps/s390/multiarch/wcpcpy.c: Likewise.
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* sysdeps/s390/multiarch/Makefile (sysdep_routines): Add stpcpy and
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wcpcpy functions.
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* string/stpcpy.c: Use STPCPY if defined.
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* wcsmbs/wcpcpy.c: Use WCPCPY if defined.
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* sysdeps/s390/multiarch/ifunc-impl-list.c
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(__libc_ifunc_impl_list): Add ifunc test for stpcpy, wcpcpy.
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* string/test-stpcpy.c: Add wcpcpy support.
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* wcsmbs/test-wcpcpy.c: New File.
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* wcsmbs/Makefile (strop-tests): Add wcpcpy.
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* benchtests/bench-stpcpy.c: Add wcpcpy support.
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* benchtests/bench-wcpcpy.c: New File.
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* benchtests/Makefile (wcsmbs-bench): Add wcpcpy.
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2015-08-26 Stefan Liebler <stli@linux.vnet.ibm.com>
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* sysdeps/s390/multiarch/strcpy-vx.S: New File.
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@ -36,7 +36,7 @@ string-bench := bcopy bzero memccpy memchr memcmp memcpy memmem memmove \
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strncasecmp strncat strncmp strncpy strnlen strpbrk strrchr \
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strspn strstr strcpy_chk stpcpy_chk memrchr strsep strtok \
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strcoll
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wcsmbs-bench := wcslen wcsnlen wcscpy
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wcsmbs-bench := wcslen wcsnlen wcscpy wcpcpy
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string-bench-all := $(string-bench) ${wcsmbs-bench}
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# We have to generate locales
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@ -18,19 +18,34 @@
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#define STRCPY_RESULT(dst, len) ((dst) + (len))
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#define TEST_MAIN
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#define TEST_NAME "stpcpy"
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#ifndef WIDE
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# define TEST_NAME "stpcpy"
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#else
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# define TEST_NAME "wcpcpy"
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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 CHAR char
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# define SIMPLE_STPCPY simple_stpcpy
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# define STPCPY stpcpy
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#else
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# include <wchar.h>
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# define CHAR wchar_t
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# define SIMPLE_STPCPY simple_wcpcpy
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# define STPCPY wcpcpy
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#endif /* WIDE */
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char *simple_stpcpy (char *, const char *);
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CHAR *SIMPLE_STPCPY (CHAR *, const CHAR *);
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IMPL (simple_stpcpy, 0)
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IMPL (stpcpy, 1)
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IMPL (SIMPLE_STPCPY, 0)
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IMPL (STPCPY, 1)
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char *
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simple_stpcpy (char *dst, const char *src)
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CHAR *
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SIMPLE_STPCPY (CHAR *dst, const CHAR *src)
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{
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while ((*dst++ = *src++) != '\0');
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return dst - 1;
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}
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#undef CHAR
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#include "bench-strcpy.c"
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20
benchtests/bench-wcpcpy.c
Normal file
20
benchtests/bench-wcpcpy.c
Normal file
@ -0,0 +1,20 @@
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/* Measure wcpcpy functions.
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Copyright (C) 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 WIDE 1
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#include "bench-stpcpy.c"
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@ -1,4 +1,4 @@
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/* Test and measure stpcpy functions.
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/* Test stpcpy functions.
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Copyright (C) 1999-2015 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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@ -19,19 +19,34 @@
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#define STRCPY_RESULT(dst, len) ((dst) + (len))
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#define TEST_MAIN
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#define TEST_NAME "stpcpy"
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#ifndef WIDE
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# define TEST_NAME "stpcpy"
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#else
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# define TEST_NAME "wcpcpy"
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#endif /* !WIDE */
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#include "test-string.h"
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#ifndef WIDE
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# define CHAR char
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# define SIMPLE_STPCPY simple_stpcpy
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# define STPCPY stpcpy
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#else
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# include <wchar.h>
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# define CHAR wchar_t
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# define SIMPLE_STPCPY simple_wcpcpy
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# define STPCPY wcpcpy
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#endif /* !WIDE */
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char *simple_stpcpy (char *, const char *);
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CHAR *SIMPLE_STPCPY (CHAR *, const CHAR *);
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IMPL (simple_stpcpy, 0)
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IMPL (stpcpy, 1)
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IMPL (SIMPLE_STPCPY, 0)
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IMPL (STPCPY, 1)
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char *
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simple_stpcpy (char *dst, const char *src)
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CHAR *
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SIMPLE_STPCPY (CHAR *dst, const CHAR *src)
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{
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while ((*dst++ = *src++) != '\0');
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return dst - 1;
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}
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#undef CHAR
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#include "test-strcpy.c"
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@ -1,11 +1,13 @@
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ifeq ($(subdir),string)
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sysdep_routines += strlen strlen-vx strlen-c \
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strnlen strnlen-vx strnlen-c \
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strcpy strcpy-vx
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strcpy strcpy-vx \
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stpcpy stpcpy-vx stpcpy-c
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endif
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ifeq ($(subdir),wcsmbs)
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sysdep_routines += wcslen wcslen-vx wcslen-c \
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wcsnlen wcsnlen-vx wcsnlen-c \
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wcscpy wcscpy-vx wcscpy-c
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wcscpy wcscpy-vx wcscpy-c \
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wcpcpy wcpcpy-vx wcpcpy-c
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endif
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@ -88,6 +88,9 @@ __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array,
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IFUNC_VX_IMPL (strcpy);
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IFUNC_VX_IMPL (wcscpy);
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IFUNC_VX_IMPL (stpcpy);
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IFUNC_VX_IMPL (wcpcpy);
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#endif /* HAVE_S390_VX_ASM_SUPPORT */
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return i;
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35
sysdeps/s390/multiarch/stpcpy-c.c
Normal file
35
sysdeps/s390/multiarch/stpcpy-c.c
Normal file
@ -0,0 +1,35 @@
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/* Default stpcpy implementation for S/390.
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Copyright (C) 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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#if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
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# define STPCPY __stpcpy_c
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# undef weak_alias
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# define weak_alias(a, b)
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# ifdef SHARED
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# undef libc_hidden_def
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# define libc_hidden_def(name) \
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__hidden_ver1 (__stpcpy_c, __GI___stpcpy, __stpcpy_c);
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# undef libc_hidden_builtin_def
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# define libc_hidden_builtin_def(name) \
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strong_alias (__stpcpy_c, __stpcpy_c_1); \
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__hidden_ver1 (__stpcpy_c_1, __GI_stpcpy, __stpcpy_c_1);
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# endif /* SHARED */
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# include <string/stpcpy.c>
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#endif /* HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc) */
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104
sysdeps/s390/multiarch/stpcpy-vx.S
Normal file
104
sysdeps/s390/multiarch/stpcpy-vx.S
Normal file
@ -0,0 +1,104 @@
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/* Vector optimized 32/64 bit S/390 version of stpcpy.
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Copyright (C) 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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#if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
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# include "sysdep.h"
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# include "asm-syntax.h"
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.text
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/* char * stpcpy (const char *dest, const char *src)
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Copy string src to dest returning a pointer to its end.
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Register usage:
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-r1=tmp
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-r2=dest and return value
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-r3=src
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-r4=tmp
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-r5=current_len
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-v16=part of src
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-v17=index of zero
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-v18=part of src
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*/
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ENTRY(__stpcpy_vx)
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.machine "z13"
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.machinemode "zarch_nohighgprs"
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vlbb %v16,0(%r3),6 /* Load s until next 4k-byte boundary. */
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lcbb %r1,0(%r3),6 /* Get bytes to 4k-byte boundary or 16. */
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vfenezb %v17,%v16,%v16 /* Find element not equal with zero search. */
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vlgvb %r5,%v17,7 /* Load zero index or 16 if not found. */
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clrjl %r5,%r1,.Lfound_align /* If found zero within loaded bytes,
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copy bytes before and return. */
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/* Align s to 16 byte. */
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risbgn %r4,%r3,60,128+63,0 /* %r3 = bits 60-63 of %r2 'and' 15. */
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lghi %r5,15 /* current_len = 15. */
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slr %r5,%r4 /* Compute highest index to 16byte boundary. */
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vstl %v16,%r5,0(%r2) /* Copy loaded characters - no zero. */
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ahi %r5,1 /* Start loop at next character. */
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/* Find zero in 16byte aligned loop. */
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.Lloop:
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vl %v16,0(%r5,%r3) /* Load s. */
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vfenezbs %v17,%v16,%v16 /* Find element not equal with zero search. */
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je .Lfound_v16_0 /* Jump away if zero was found. */
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vl %v18,16(%r5,%r3) /* Load next part of s. */
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vst %v16,0(%r5,%r2) /* Store previous part without zero to dst. */
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vfenezbs %v17,%v18,%v18
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je .Lfound_v18_16
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vl %v16,32(%r5,%r3)
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vst %v18,16(%r5,%r2)
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vfenezbs %v17,%v16,%v16
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je .Lfound_v16_32
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vl %v18,48(%r5,%r3)
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vst %v16,32(%r5,%r2)
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vfenezbs %v17,%v18,%v18
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je .Lfound_v18_48
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vst %v18,48(%r5,%r2)
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aghi %r5,64
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j .Lloop /* No zero found -> loop. */
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.Lfound_v16_32:
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aghi %r5,32
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.Lfound_v16_0:
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la %r3,0(%r5,%r2)
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vlgvb %r1,%v17,7 /* Load byte index of zero. */
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vstl %v16,%r1,0(%r3) /* Copy characters including zero. */
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la %r2,0(%r1,%r3) /* Return pointer to zero. */
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br %r14
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.Lfound_v18_48:
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aghi %r5,32
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.Lfound_v18_16:
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la %r3,16(%r5,%r2)
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vlgvb %r1,%v17,7 /* Load byte index of zero. */
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vstl %v18,%r1,0(%r3) /* Copy characters including zero. */
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la %r2,0(%r1,%r3) /* Return pointer to zero. */
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br %r14
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.Lfound_align:
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vstl %v16,%r5,0(%r2) /* Copy characters including zero. */
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la %r2,0(%r5,%r2) /* Return pointer to zero. */
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br %r14
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END(__stpcpy_vx)
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#endif /* HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc) */
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30
sysdeps/s390/multiarch/stpcpy.c
Normal file
30
sysdeps/s390/multiarch/stpcpy.c
Normal file
@ -0,0 +1,30 @@
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/* Multiple versions of stpcpy.
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Copyright (C) 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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|
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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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|
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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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#if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
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# define NO_MEMPCPY_STPCPY_REDIRECT
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# include <string.h>
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# include <ifunc-resolve.h>
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s390_vx_libc_ifunc (__stpcpy)
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weak_alias (__stpcpy, stpcpy)
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libc_hidden_builtin_def (stpcpy)
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#else
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# include <string/stpcpy.c>
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#endif /* !(defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)) */
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25
sysdeps/s390/multiarch/wcpcpy-c.c
Normal file
25
sysdeps/s390/multiarch/wcpcpy-c.c
Normal file
@ -0,0 +1,25 @@
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/* Default wcslen implementation for S/390.
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Copyright (C) 2015 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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|
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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.
|
||||
|
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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
|
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<http://www.gnu.org/licenses/>. */
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#if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
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# define WCPCPY __wcpcpy_c
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# include <wchar.h>
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extern __typeof (__wcpcpy) __wcpcpy_c;
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# include <wcsmbs/wcpcpy.c>
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#endif
|
114
sysdeps/s390/multiarch/wcpcpy-vx.S
Normal file
114
sysdeps/s390/multiarch/wcpcpy-vx.S
Normal file
@ -0,0 +1,114 @@
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/* Vector optimized 32/64 bit S/390 version of wcpcpy.
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Copyright (C) 2015 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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|
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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/>. */
|
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#if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
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# include "sysdep.h"
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# include "asm-syntax.h"
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.text
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|
||||
/* wchar_t * wcpcpy (const wchar_t *dest, const wchar_t *src)
|
||||
Copy string src to dest returning a pointer to its end.
|
||||
|
||||
Register usage:
|
||||
-r0=border-len for switching to vector-instructions
|
||||
-r1=tmp
|
||||
-r2=dest and return value
|
||||
-r3=src
|
||||
-r4=tmp
|
||||
-r5=current_len
|
||||
-v16=part of src
|
||||
-v17=index of zero
|
||||
-v18=part of src
|
||||
*/
|
||||
ENTRY(__wcpcpy_vx)
|
||||
.machine "z13"
|
||||
.machinemode "zarch_nohighgprs"
|
||||
|
||||
vlbb %v16,0(%r3),6 /* Load s until next 4k-byte boundary. */
|
||||
lcbb %r1,0(%r3),6 /* Get bytes to 4k-byte boundary or 16. */
|
||||
|
||||
tmll %r3,3 /* Test if s is 4-byte aligned? */
|
||||
jne .Lfallback /* And use common-code variant if not. */
|
||||
|
||||
vfenezf %v17,%v16,%v16 /* Find element not equal with zero search. */
|
||||
vlgvb %r5,%v17,7 /* Load zero index or 16 if not found. */
|
||||
clrjl %r5,%r1,.Lfound_align /* If found zero within loaded bytes,
|
||||
copy bytes before and return. */
|
||||
|
||||
/* Align s to 16 byte. */
|
||||
risbgn %r4,%r3,60,128+63,0 /* %r3 = bits 60-63 of %r2 'and' 15. */
|
||||
lghi %r5,15 /* current_len = 15. */
|
||||
slr %r5,%r4 /* Compute highest index to 16byte boundary. */
|
||||
|
||||
vstl %v16,%r5,0(%r2) /* Copy loaded characters - no zero. */
|
||||
ahi %r5,1 /* Start loop at next character. */
|
||||
|
||||
/* Find zero in 16byte aligned loop. */
|
||||
.Lloop:
|
||||
vl %v16,0(%r5,%r3) /* Load s. */
|
||||
vfenezfs %v17,%v16,%v16 /* Find element not equal with zero search. */
|
||||
je .Lfound_v16_0 /* Jump away if zero was found. */
|
||||
vl %v18,16(%r5,%r3) /* Load next part of s. */
|
||||
vst %v16,0(%r5,%r2) /* Store previous part without zero to dst. */
|
||||
vfenezfs %v17,%v18,%v18
|
||||
je .Lfound_v18_16
|
||||
vl %v16,32(%r5,%r3)
|
||||
vst %v18,16(%r5,%r2)
|
||||
vfenezfs %v17,%v16,%v16
|
||||
je .Lfound_v16_32
|
||||
vl %v18,48(%r5,%r3)
|
||||
vst %v16,32(%r5,%r2)
|
||||
vfenezfs %v17,%v18,%v18
|
||||
je .Lfound_v18_48
|
||||
vst %v18,48(%r5,%r2)
|
||||
|
||||
aghi %r5,64
|
||||
j .Lloop /* No zero found -> loop. */
|
||||
|
||||
.Lfound_v16_32:
|
||||
aghi %r5,32
|
||||
.Lfound_v16_0:
|
||||
la %r3,0(%r5,%r2)
|
||||
vlgvb %r1,%v17,7 /* Load byte index of zero. */
|
||||
aghi %r1,3 /* Also copy remaining bytes of zero. */
|
||||
vstl %v16,%r1,0(%r3) /* Copy characters including zero. */
|
||||
lay %r2,-3(%r1,%r3) /* Return pointer to zero. */
|
||||
br %r14
|
||||
|
||||
.Lfound_v18_48:
|
||||
aghi %r5,32
|
||||
.Lfound_v18_16:
|
||||
la %r3,16(%r5,%r2)
|
||||
vlgvb %r1,%v17,7 /* Load byte index of zero. */
|
||||
aghi %r1,3 /* Also copy remaining bytes of zero. */
|
||||
vstl %v18,%r1,0(%r3) /* Copy characters including zero. */
|
||||
lay %r2,-3(%r1,%r3) /* Return pointer to zero. */
|
||||
br %r14
|
||||
|
||||
.Lfound_align:
|
||||
aghi %r5,3 /* Also copy remaining bytes of zero. */
|
||||
vstl %v16,%r5,0(%r2) /* Copy characters including zero. */
|
||||
lay %r2,-3(%r5,%r2) /* Return pointer to zero. */
|
||||
br %r14
|
||||
|
||||
.Lfallback:
|
||||
jg __wcpcpy_c
|
||||
END(__wcpcpy_vx)
|
||||
#endif /* HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc) */
|
28
sysdeps/s390/multiarch/wcpcpy.c
Normal file
28
sysdeps/s390/multiarch/wcpcpy.c
Normal file
@ -0,0 +1,28 @@
|
||||
/* Multiple versions of wcpcpy.
|
||||
Copyright (C) 2015 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/>. */
|
||||
|
||||
#if defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)
|
||||
# include <wchar.h>
|
||||
# include <ifunc-resolve.h>
|
||||
|
||||
s390_vx_libc_ifunc (__wcpcpy)
|
||||
weak_alias (__wcpcpy, wcpcpy)
|
||||
|
||||
#else
|
||||
# include <wcsmbs/wcpcpy.c>
|
||||
#endif /* !(defined HAVE_S390_VX_ASM_SUPPORT && IS_IN (libc)) */
|
@ -42,7 +42,8 @@ routines := wcscat wcschr wcscmp wcscpy wcscspn wcsdup wcslen wcsncat \
|
||||
isoc99_swscanf isoc99_vswscanf \
|
||||
mbrtoc16 c16rtomb
|
||||
|
||||
strop-tests := wcscmp wcsncmp wmemcmp wcslen wcschr wcsrchr wcscpy wcsnlen
|
||||
strop-tests := wcscmp wcsncmp wmemcmp wcslen wcschr wcsrchr wcscpy wcsnlen \
|
||||
wcpcpy
|
||||
tests := tst-wcstof wcsmbs-tst1 tst-wcsnlen tst-btowc tst-mbrtowc \
|
||||
tst-wcrtomb tst-wcpncpy tst-mbsrtowcs tst-wchar-h tst-mbrtowc2 \
|
||||
tst-c16c32-1 wcsatcliff $(addprefix test-,$(strop-tests))
|
||||
|
20
wcsmbs/test-wcpcpy.c
Normal file
20
wcsmbs/test-wcpcpy.c
Normal file
@ -0,0 +1,20 @@
|
||||
/* Test wcspcpy functions.
|
||||
Copyright (C) 2015 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/>. */
|
||||
|
||||
#define WIDE 1
|
||||
#include "../string/test-stpcpy.c"
|
@ -21,7 +21,9 @@
|
||||
#define __need_ptrdiff_t
|
||||
#include <stddef.h>
|
||||
|
||||
|
||||
#ifdef WCPCPY
|
||||
# define __wcpcpy WCPCPY
|
||||
#endif
|
||||
/* Copy SRC to DEST, returning the address of the terminating L'\0' in
|
||||
DEST. */
|
||||
wchar_t *
|
||||
@ -43,4 +45,6 @@ __wcpcpy (dest, src)
|
||||
return wcp;
|
||||
}
|
||||
|
||||
#ifndef WCPCPY
|
||||
weak_alias (__wcpcpy, wcpcpy)
|
||||
#endif
|
||||
|
Loading…
Reference in New Issue
Block a user