30 lines
788 B
CMake
30 lines
788 B
CMake
# SoX Resampler Library Copyright (c) 2007-16 robs@users.sourceforge.net
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# Licence for this file: LGPL v2.1 See LICENCE for details.
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# - Finds SIMD64 support
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#
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# The following variables are set:
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# SIMD64_C_FLAGS - flags to add to the C compiler for this package.
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# SIMD64_FOUND - true if support for this package is found.
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if (DEFINED SIMD64_C_FLAGS OR CMAKE_SYSTEM_PROCESSOR MATCHES "^arm")
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set (TRIAL_C_FLAGS)
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else ()
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set (TRIAL_C_FLAGS
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"-mavx" # Gcc
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"/arch:AVX" # MSVC
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)
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set (TEST_C_SOURCE "
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#ifndef __AVX__
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#error
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#endif
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#include <immintrin.h>
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int main() {return 0;}
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")
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endif ()
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include (FindCFlags)
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FindCFlags ("SIMD64" "FLOAT-64 (double-precision) SIMD vectorization"
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"${TRIAL_C_FLAGS}" "${TEST_C_SOURCE}")
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