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60 lines
2.0 KiB
C
60 lines
2.0 KiB
C
/* Common ifunc selection utils
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All versions must be listed in ifunc-impl-list.c.
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Copyright (C) 2022-2025 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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#ifndef _ISA_IFUNC_MACROS_H
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#define _ISA_IFUNC_MACROS_H 1
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#include <isa-level.h>
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#include <sys/cdefs.h>
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#include <stdlib.h>
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/* Only include at the level of the minimum build ISA or higher. I.e
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if built with ISA=V1, then include all implementations. On the
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other hand if built with ISA=V3 only include V3/V4
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implementations. If there is no implementation at or above the
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minimum build ISA level, then include the highest ISA level
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implementation. */
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#if MINIMUM_X86_ISA_LEVEL <= 4
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# define X86_IFUNC_IMPL_ADD_V4(...) IFUNC_IMPL_ADD (__VA_ARGS__)
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#endif
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#if MINIMUM_X86_ISA_LEVEL <= 3
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# define X86_IFUNC_IMPL_ADD_V3(...) IFUNC_IMPL_ADD (__VA_ARGS__)
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#endif
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#if MINIMUM_X86_ISA_LEVEL <= 2
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# define X86_IFUNC_IMPL_ADD_V2(...) IFUNC_IMPL_ADD (__VA_ARGS__)
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#endif
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#if MINIMUM_X86_ISA_LEVEL <= 1
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# define X86_IFUNC_IMPL_ADD_V1(...) IFUNC_IMPL_ADD (__VA_ARGS__)
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#endif
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#ifndef X86_IFUNC_IMPL_ADD_V4
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# define X86_IFUNC_IMPL_ADD_V4(...)
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#endif
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#ifndef X86_IFUNC_IMPL_ADD_V3
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# define X86_IFUNC_IMPL_ADD_V3(...)
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#endif
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#ifndef X86_IFUNC_IMPL_ADD_V2
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# define X86_IFUNC_IMPL_ADD_V2(...)
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#endif
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#ifndef X86_IFUNC_IMPL_ADD_V1
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# define X86_IFUNC_IMPL_ADD_V1(...)
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#endif
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#endif
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