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[libclc] Build for OpenCL 3.0 #135733

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Merged
merged 7 commits into from
Apr 23, 2025
Merged

[libclc] Build for OpenCL 3.0 #135733

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64d7bfd
[libclc] Set OpenCL version to 3.0
wenju-he Apr 15, 2025
b2419f2
Merge branch 'main' into libclc-opencl-3.0
wenju-he Apr 16, 2025
4facfec
set opencl_c_version per target, remove CL_3_0_EXTENSIONS
wenju-he Apr 16, 2025
31604df
use default OpenCL C version for r600
wenju-he Apr 16, 2025
35cfd64
-> DARCH, update nv opencl version link
wenju-he Apr 17, 2025
b3653cd
Build for OpenCL 3.0, enable all extensions and features
wenju-he Apr 22, 2025
b24e439
remove -cl-ext=+all
wenju-he Apr 23, 2025
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10 changes: 10 additions & 0 deletions libclc/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -411,6 +411,16 @@ foreach( t ${LIBCLC_TARGETS_TO_BUILD} )
set( LIBCLC_ARCH_OBJFILE_DIR "${LIBCLC_OBJFILE_DIR}/${arch_suffix}" )
file( MAKE_DIRECTORY ${LIBCLC_ARCH_OBJFILE_DIR} )

# OpenCL 3.0 extensions
string(CONCAT CL_3_0_EXTENSIONS
"-cl-ext="
"+cl_khr_fp64,"
"+cl_khr_fp16,"
"+__opencl_c_3d_image_writes,"
"+__opencl_c_images,"
"+cl_khr_3d_image_writes")
list( APPEND build_flags -cl-std=CL3.0 "-Xclang" ${CL_3_0_EXTENSIONS} )
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@frasercrmck frasercrmck Apr 15, 2025

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We would need a more target-configurable way of enabling OpenCL extensions. Not all targets do fp16/fp64, not all do 3D image writes, etc.

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@wenju-he wenju-he Apr 16, 2025

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I've reverted OpenCL extensions change in this PR in 4facfec
I find that target should define its supported extension via setSupportedOpenCLOpts API.


string( TOUPPER "CLC_${MACRO_ARCH}" CLC_TARGET_DEFINE )

list( APPEND build_flags
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