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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.
53 lines
1.6 KiB
C
53 lines
1.6 KiB
C
/* memmem variant information on S/390 version.
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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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#if defined USE_MULTIARCH && IS_IN (libc) \
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&& ! defined HAVE_S390_MIN_Z13_ZARCH_ASM_SUPPORT
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# define HAVE_MEMMEM_IFUNC 1
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#else
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# define HAVE_MEMMEM_IFUNC 0
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#endif
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#ifdef HAVE_S390_VX_ASM_SUPPORT
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# define HAVE_MEMMEM_IFUNC_AND_VX_SUPPORT HAVE_MEMMEM_IFUNC
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#else
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# define HAVE_MEMMEM_IFUNC_AND_VX_SUPPORT 0
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#endif
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#if defined HAVE_S390_MIN_Z13_ZARCH_ASM_SUPPORT
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# define MEMMEM_DEFAULT MEMMEM_Z13
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# define HAVE_MEMMEM_C 0
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# define HAVE_MEMMEM_Z13 1
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#else
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# define MEMMEM_DEFAULT MEMMEM_C
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# define HAVE_MEMMEM_C 1
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# define HAVE_MEMMEM_Z13 HAVE_MEMMEM_IFUNC_AND_VX_SUPPORT
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#endif
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#if HAVE_MEMMEM_C
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# define MEMMEM_C __memmem_c
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#else
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# define MEMMEM_C NULL
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#endif
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#if HAVE_MEMMEM_Z13
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# define MEMMEM_Z13 __memmem_vx
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#else
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# define MEMMEM_Z13 NULL
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#endif
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