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[libclc] Pass -fapprox-func when compiling 'native' builtins (#133119)

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The libclc build system isn't well set up to pass arbitrary options to
arbitrary source files in a non-intrusive way. There isn't currently any
other motivating example to warrant rewriting the build system just to
satisfy this requirement. So this commit uses a filename-based approach
to inserting this option into the list of compile flags.
This commit is contained in:
Fraser Cormack 2025-03-28 08:22:19 +00:00 committed by GitHub
parent f5f4da6db6
commit 0a74cbfac4
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GPG Key ID: B5690EEEBB952194
2 changed files with 29 additions and 1 deletions
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22
libclc/CMakeLists.txt
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@ -262,6 +262,28 @@ if ( clspv-- IN_LIST LIBCLC_TARGETS_TO_BUILD OR clspv64-- IN_LIST LIBCLC_TARGETS
set_target_properties( generate-clspv-convert.cl PROPERTIES FOLDER "libclc/Sourcegenning" )
endif()
set_source_files_properties(
${CMAKE_CURRENT_SOURCE_DIR}/generic/lib/math/native_cos.cl
${CMAKE_CURRENT_SOURCE_DIR}/generic/lib/math/native_divide.cl
${CMAKE_CURRENT_SOURCE_DIR}/generic/lib/math/native_exp.cl
${CMAKE_CURRENT_SOURCE_DIR}/generic/lib/math/native_exp10.cl
${CMAKE_CURRENT_SOURCE_DIR}/generic/lib/math/native_exp2.cl
${CMAKE_CURRENT_SOURCE_DIR}/generic/lib/math/native_log.cl
${CMAKE_CURRENT_SOURCE_DIR}/generic/lib/math/native_log10.cl
${CMAKE_CURRENT_SOURCE_DIR}/generic/lib/math/native_log2.cl
${CMAKE_CURRENT_SOURCE_DIR}/generic/lib/math/native_powr.cl
${CMAKE_CURRENT_SOURCE_DIR}/generic/lib/math/native_recip.cl
${CMAKE_CURRENT_SOURCE_DIR}/generic/lib/math/native_rsqrt.cl
${CMAKE_CURRENT_SOURCE_DIR}/generic/lib/math/native_sin.cl
${CMAKE_CURRENT_SOURCE_DIR}/generic/lib/math/native_sqrt.cl
${CMAKE_CURRENT_SOURCE_DIR}/generic/lib/math/native_tan.cl
${CMAKE_CURRENT_SOURCE_DIR}/amdgpu/lib/math/native_exp.cl
${CMAKE_CURRENT_SOURCE_DIR}/amdgpu/lib/math/native_log.cl
${CMAKE_CURRENT_SOURCE_DIR}/amdgpu/lib/math/native_log10.cl
${CMAKE_CURRENT_SOURCE_DIR}/r600/lib/math/native_rsqrt.cl
PROPERTIES COMPILE_OPTIONS -fapprox-func
)
enable_testing()
foreach( t ${LIBCLC_TARGETS_TO_BUILD} )

8
libclc/cmake/modules/AddLibclc.cmake
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@ -261,11 +261,17 @@ function(add_libclc_builtin_set)
get_filename_component( file_dir ${file} DIRECTORY )
set( file_specific_compile_options )
get_source_file_property( compile_opts ${file} COMPILE_OPTIONS)
if( compile_opts )
set( file_specific_compile_options "${compile_opts}" )
endif()
compile_to_bc(
TRIPLE ${ARG_TRIPLE}
INPUT ${input_file}
OUTPUT ${output_file}
EXTRA_OPTS -fno-builtin -nostdlib
EXTRA_OPTS -fno-builtin -nostdlib "${file_specific_compile_options}"
"${ARG_COMPILE_FLAGS}" -I${CMAKE_CURRENT_SOURCE_DIR}/${file_dir}
DEPENDENCIES ${input_file_dep}
)