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https://github.com/drewcassidy/quicktex.git
synced 2024-09-13 06:37:34 +00:00
Andrew Cassidy
74aaac00d7
By default, quicktex builds with -march=native on x86, unless an environment variable requesting a specific ISA is set. This doesnt work on MSVC though because it's a shit compiler, so it just falls back to no flags.
70 lines
2.7 KiB
CMake
70 lines
2.7 KiB
CMake
function(set_simd_flags target_name)
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if (DEFINED ENV{QUICKTEX_HWY_MODE})
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set(highway_mode $ENV{QUICKTEX_HWY_MODE})
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message("Highway mode is ${highway_mode}")
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else ()
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message("Defaulting to AUTO highway mode")
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set(highway_mode "AUTO")
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endif ()
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if ((CMAKE_OSX_ARCHITECTURES MATCHES ".*x86_64.*") OR (CMAKE_SYSTEM_PROCESSOR MATCHES "(x86)|(X86)|(amd64)|(AMD64)"))
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set(X86 TRUE)
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message("X86 Detected")
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else ()
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set(X86 FALSE)
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endif ()
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if ((CMAKE_OSX_ARCHITECTURES MATCHES ".*arm64.*") OR (CMAKE_SYSTEM_PROCESSOR MATCHES "(arm64)|(ARM64)|(aarch64)"))
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set(ARM TRUE)
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message("ARM Detected")
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else ()
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set(ARM FALSE)
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endif ()
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if (highway_mode STREQUAL "SCALAR")
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# force Highway to use scalar ops. This should really only be used for testing
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if (MSVC)
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target_compile_options(${target_name} PUBLIC /DHWY_COMPILE_ONLY_SCALAR=1)
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else ()
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target_compile_options(${target_name} PUBLIC -DHWY_COMPILE_ONLY_SCALAR=1)
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endif ()
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return()
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endif ()
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# dynamic disbatch is not supported
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if (MSVC)
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target_compile_options(${target_name} PUBLIC /DHWY_COMPILE_ONLY_STATIC=1)
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else ()
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target_compile_options(${target_name} PUBLIC -DHWY_COMPILE_ONLY_STATIC=1)
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endif ()
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if (X86)
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if (highway_mode STREQUAL "AUTO")
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# setting -march=native on an M1 causes Clang to freak out
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if (MSVC)
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#MSVC has no -march=native equivalent. womp
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message(WARNING "Compiling using MSVC without settig an explicit QUICKTEX_HWY_MODE defaults to serial operations. Please compile with Clang if you need vectorization")
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elseif (!ARM)
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target_compile_options(${target_name} PUBLIC -march=native)
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endif ()
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elseif (highway_mode STREQUAL "SSSE3")
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if (MSVC)
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message(SEND_ERROR "Compiling using SSSE3 is not supported with the MSVC compiler. Please use AVX or compile withClang")
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else ()
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target_compile_options(${target_name} PUBLIC -mssse3)
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endif ()
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elseif (highway_mode STREQUAL "SSE4")
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if (MSVC)
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message(SEND_ERROR "Compiling using SSE4 is not supported with the MSVC compiler. Please use AVX or compile with Clang")
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else ()
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target_compile_options(${target_name} PUBLIC -msse4)
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endif ()
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elseif (highway_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() |