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CMake: Add explicit F16C option (x86) #576

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Merged
merged 1 commit into from
Apr 13, 2023
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CMake: Add explicit F16C option (x86) #576

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8 changes: 7 additions & 1 deletion CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -56,6 +56,10 @@ option(LLAMA_AVX "llama: enable AVX"
option(LLAMA_AVX2 "llama: enable AVX2" ON)
option(LLAMA_AVX512 "llama: enable AVX512" OFF)
option(LLAMA_FMA "llama: enable FMA" ON)
# in MSVC F16C is implied with AVX2/AVX512
if (NOT MSVC)
option(LLAMA_F16C "llama: enable F16C" ON)
endif()

# 3rd party libs
option(LLAMA_ACCELERATE "llama: enable Accelerate framework" ON)
Expand Down Expand Up @@ -197,7 +201,9 @@ elseif (${CMAKE_SYSTEM_PROCESSOR} MATCHES "^(x86_64|i686|AMD64)$")
add_compile_options(/arch:AVX)
endif()
else()
add_compile_options(-mf16c)
if (LLAMA_F16C)
add_compile_options(-mf16c)
endif()
if (LLAMA_FMA)
add_compile_options(-mfma)
endif()
Expand Down