derek.holloway
7502bf64a4
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37 lines
897 B
C
37 lines
897 B
C
/*
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* Copyright 2024 Yury Gribov
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*
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* The MIT License (MIT)
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*
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* Use of this source code is governed by MIT license that can be
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* found in the LICENSE.txt file.
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*/
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#ifndef INTERPOSED_H
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#define INTERPOSED_H
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// Determine number of 32-bit ints in native vector type
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// for each supported platform
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#if defined __AVX512H__ /* ZMM regs */
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# define VECTOR_BITSIZE 512
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#elif defined __AVX__ /* YMM regs */
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# define VECTOR_BITSIZE 256
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#elif defined __SSE__ /* XMM regs */ \
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|| defined __aarch64__ /* NEON regs */
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# define VECTOR_BITSIZE 128
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#elif defined __MMX__ /* MMX regs */ \
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|| defined __arm__ /* NEON regs */
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# define VECTOR_BITSIZE 64
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#elif defined __i386__
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// x86 has no vectors by default
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# define VECTOR_BITSIZE 32
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#else
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# error "Unknown platform"
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#endif
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typedef int vector_type __attribute__((vector_size(VECTOR_BITSIZE / 8)));
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extern vector_type foo(vector_type x);
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#endif
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