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The new vector variant of memmem is using the common code implementation, but instead of calling the default mem* functions, the vector variants are called. ChangeLog: * sysdeps/s390/Makefile (sysdep_routines): Add memmem variants. * sysdeps/s390/multiarch/ifunc-impl-list.c (__libc_ifunc_impl_list): Add ifunc variants for memmem. * sysdeps/s390/ifunc-memmem.h: New file. * sysdeps/s390/memmem.c: Likewise. * sysdeps/s390/memmem-c.c: Likewise. * sysdeps/s390/memmem-vx.c: Likewise.
62 lines
1.8 KiB
C
62 lines
1.8 KiB
C
/* Default memmem implementation with vector string functions for S/390.
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Copyright (C) 2018 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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#include <ifunc-memmem.h>
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#if HAVE_MEMMEM_Z13
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# include <string.h>
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# if HAVE_MEMMEM_IFUNC
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# ifndef _LIBC
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# define memmem MEMMEM_Z13
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# else
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# define __memmem MEMMEM_Z13
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# endif
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# if defined SHARED && IS_IN (libc)
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# undef libc_hidden_def
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# undef libc_hidden_weak
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# if HAVE_MEMMEM_C
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# define libc_hidden_def(name)
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# define libc_hidden_weak(name)
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# else
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# define libc_hidden_def(name) \
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strong_alias (__memmem_vx, __memmem_vx_1); \
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__hidden_ver1 (__memmem_vx, __GI___memmem, __memmem_vx);
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# define libc_hidden_weak(name) \
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__hidden_ver1 (__memmem_vx_1, __GI_memmem, __memmem_vx_1) __attribute__((weak));
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# endif
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# endif
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# undef weak_alias
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# define weak_alias(a, b)
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# endif
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# ifdef USE_MULTIARCH
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extern __typeof (memchr) __memchr_vx attribute_hidden;
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# define memchr __memchr_vx
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extern __typeof (memcmp) __memcmp_z196 attribute_hidden;
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# define memcmp __memcmp_z196
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# endif
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# include <string/memmem.c>
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#endif
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