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68 lines
2.6 KiB
CMake
68 lines
2.6 KiB
CMake
function(set_simd_flags target_name)
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if (DEFINED ENV{QUICKTEX_SIMD_MODE})
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set(simd_mode $ENV{QUICKTEX_SIMD_MODE})
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message("SIMD mode is ${simd_mode}")
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else ()
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message("Defaulting to AUTO SIMD mode. Resulting binary is not fit for distributing to other computers!")
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set(simd_mode "AUTO")
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endif ()
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if ((CMAKE_OSX_ARCHITECTURES MATCHES "x86_64") OR (CMAKE_SYSTEM_PROCESSOR MATCHES "(x86)|(X86)|(amd64)|(AMD64)"))
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set(X86 TRUE)
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message("X86 Detected")
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else ()
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set(X86 FALSE)
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endif ()
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if ((CMAKE_OSX_ARCHITECTURES MATCHES "arm64") OR (CMAKE_SYSTEM_PROCESSOR MATCHES "(arm64)|(ARM64)|(aarch64)"))
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set(ARM TRUE)
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message("ARM Detected")
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else ()
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set(ARM FALSE)
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endif ()
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if (simd_mode STREQUAL "SCALAR")
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# force xsimd to use scalar ops. This should really only be used for testing,
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# since SSE2 and NEON are guranteed on 64-bit platforms
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if (MSVC)
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target_compile_options(${target_name} PUBLIC /DXSIMD_NO_SUPPORTED_ARCHITECTURE=1)
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else ()
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target_compile_options(${target_name} PUBLIC -DXSIMD_NO_SUPPORTED_ARCHITECTURE=1)
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endif ()
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return()
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endif ()
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if (X86)
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if (simd_mode STREQUAL "AUTO")
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if (MSVC)
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#MSVC has no -march=native equivalent. womp
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elseif (NOT ARM)
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# setting -march=native on an M1 causes Clang to freak out,
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# and arm64 is pretty samey instruction set wise (arm9 and SVE2 notwithstanding)
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# Currently AVX512 will cause problems with buffer overruns,
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# and I dont have good test hardware for it anyways
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target_compile_options(${target_name} PUBLIC -march=native -mno-avx512f)
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endif ()
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elseif (simd_mode STREQUAL "SSSE3")
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if (MSVC)
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target_compile_options(${target_name} PUBLIC /DXSIMD_WITH_SSSE3)
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else ()
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target_compile_options(${target_name} PUBLIC -mssse3)
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endif ()
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elseif (simd_mode STREQUAL "SSE4")
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if (MSVC)
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target_compile_options(${target_name} PUBLIC /DXSIMD_WITH_SSE4_2 /d2archSSE42)
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else ()
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target_compile_options(${target_name} PUBLIC -msse4)
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endif ()
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elseif (simd_mode STREQUAL "AVX2")
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if (MSVC)
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target_compile_options(${target_name} PUBLIC /arch:AVX2)
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else ()
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target_compile_options(${target_name} PUBLIC -mavx2)
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endif ()
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endif ()
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endif ()
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endfunction() |