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60 lines
1.8 KiB
C
60 lines
1.8 KiB
C
/* memcmp variant information on S/390 version.
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Copyright (C) 2018-2024 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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<https://www.gnu.org/licenses/>. */
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#if defined USE_MULTIARCH && IS_IN (libc) \
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&& ! defined HAVE_S390_MIN_Z196_ZARCH_ASM_SUPPORT
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# define HAVE_MEMCMP_IFUNC 1
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#else
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# define HAVE_MEMCMP_IFUNC 0
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#endif
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#if defined HAVE_S390_MIN_Z196_ZARCH_ASM_SUPPORT
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# define MEMCMP_DEFAULT MEMCMP_Z196
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# define HAVE_MEMCMP_Z900_G5 0
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# define HAVE_MEMCMP_Z10 0
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# define HAVE_MEMCMP_Z196 1
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#elif defined HAVE_S390_MIN_Z10_ZARCH_ASM_SUPPORT
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# define MEMCMP_DEFAULT MEMCMP_Z10
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# define HAVE_MEMCMP_Z900_G5 0
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# define HAVE_MEMCMP_Z10 1
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# define HAVE_MEMCMP_Z196 HAVE_MEMCMP_IFUNC
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#else
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# define MEMCMP_DEFAULT MEMCMP_Z900_G5
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# define HAVE_MEMCMP_Z900_G5 1
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# define HAVE_MEMCMP_Z10 HAVE_MEMCMP_IFUNC
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# define HAVE_MEMCMP_Z196 HAVE_MEMCMP_IFUNC
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#endif
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#if HAVE_MEMCMP_Z900_G5
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# define MEMCMP_Z900_G5 __memcmp_default
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#else
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# define MEMCMP_Z900_G5 NULL
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#endif
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#if HAVE_MEMCMP_Z10
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# define MEMCMP_Z10 __memcmp_z10
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#else
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# define MEMCMP_Z10 NULL
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#endif
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#if HAVE_MEMCMP_Z196
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# define MEMCMP_Z196 __memcmp_z196
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#else
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# define MEMCMP_Z196 NULL
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#endif
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