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project('simd', 'c')
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cc = meson.get_compiler('c')
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cdata = configuration_data()
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# The idea is to have a simd module and then do something like:
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#
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# static_libs = simd.check('mysimdstuff',
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# mmx : 'mmx_funcs.c',
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# sse : 'sse_funcs.c',
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# sse2 : 'sse2_funcs.c',
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# <etc>
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# configuration : cdata, # adds HAVE_XXX
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# compiler : cc)
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#
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# and then have a target that uses the result in links_with.
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# The following headers need to be added. Also Thumb and Altivec.
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#<tmmintrin.h> SSSE3
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#<smmintrin.h> SSE4.1
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#<nmmintrin.h> SSE4.2
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#<ammintrin.h> SSE4A
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#<wmmintrin.h> AES
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#<immintrin.h> AVX
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#<zmmintrin.h> AVX512
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simdlibs = []
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simdarr = [['-mmmx', 'HAVE_MMX', 'simd_mmx', 'simd_mmx.c'],
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['-msse', 'HAVE_SSE', 'simd_sse', 'simd_sse.c'],
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['-msse2', 'HAVE_SSE2', 'simd_sse2', 'simd_sse2.c'],
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['-msse3', 'HAVE_SSE3', 'simd_sse3', 'simd_sse3.c'],
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]
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foreach ia : simdarr
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arg = ia[0]
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def = ia[1]
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libname = ia[2]
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filename = ia[3]
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if cc.has_argument(arg)
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cdata.set(def, 1)
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simdlibs += static_library(libname, filename, c_args : arg)
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endif
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endforeach
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configure_file(output : 'simdconfig.h',
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configuration : cdata)
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p = executable('simdtest', 'simdchecker.c', 'fallback.c',
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link_with : simdlibs)
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test('simdtest', p)
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