2014-09-17 14:50:44 +00:00
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###############################################################################
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# Test for availability of SSE
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#
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# - Anthony Arnold
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###############################################################################
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function (test_for_sse h_file result_var name)
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if (NOT DEFINED ${result_var})
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execute_process(COMMAND echo "#include <${h_file}>"
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2015-03-20 14:23:16 +00:00
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COMMAND ${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1} -c -x c++ -
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2014-09-17 14:50:44 +00:00
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RESULT_VARIABLE COMPILE_RESULT
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OUTPUT_QUIET ERROR_QUIET)
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2014-09-30 22:36:03 +00:00
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set(detected 0)
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2014-09-17 14:50:44 +00:00
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if (COMPILE_RESULT EQUAL 0)
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message(STATUS "Detected ${name}")
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2014-09-30 22:36:03 +00:00
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set(detected 1)
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2014-09-17 14:50:44 +00:00
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endif(COMPILE_RESULT EQUAL 0)
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2014-09-30 22:36:03 +00:00
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set(${result_var} ${detected} CACHE INTERNAL "${name} Available")
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2014-09-17 14:50:44 +00:00
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endif (NOT DEFINED ${result_var})
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endfunction(test_for_sse)
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message(STATUS "Testing for SIMD extensions")
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enable_language(C)
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test_for_sse("ammintrin.h" SSE4A_AVAILABLE "SSE4A")
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test_for_sse("nmmintrin.h" SSE4_2_AVAILABLE "SSE4.2")
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test_for_sse("smmintrin.h" SSE4_1_AVAILABLE "SSE4.1")
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test_for_sse("tmmintrin.h" SSSE3_AVAILABLE "SSSE3")
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test_for_sse("pmmintrin.h" SSE3_AVAILABLE "SSE3")
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test_for_sse("emmintrin.h" SSE2_AVAILABLE "SSE2")
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test_for_sse("xmmintrin.h" SSE_AVAILABLE "SSE1")
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test_for_sse("mmintrin.h" MMX_AVAILABLE "MMX")
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test_for_sse("wmmintrin.h" AES_AVAILABLE "AES")
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test_for_sse("immintrin.h" AVX_AVAILABLE "AVX")
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2014-09-30 22:36:03 +00:00
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file(REMOVE "${CMAKE_CURRENT_BINARY_DIR}/-.o")
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