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[AMDGPU] Make __GCC_DESTRUCTIVE_SIZE 128 on AMDGPU #115241

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Merged
merged 2 commits into from
Nov 7, 2024
Merged

[AMDGPU] Make __GCC_DESTRUCTIVE_SIZE 128 on AMDGPU #115241

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[AMDGPU] Make `__GCC_DESTRUCTIVE_SIZE` 128 on AMDGPU
jhuber6 Nov 7, 2024
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jhuber6 Nov 7, 2024
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4 changes: 4 additions & 0 deletions clang/lib/Basic/Targets/AMDGPU.h
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Expand Up @@ -462,6 +462,10 @@ class LLVM_LIBRARY_VISIBILITY AMDGPUTargetInfo final : public TargetInfo {
}

bool hasHIPImageSupport() const override { return HasImage; }

std::pair<unsigned, unsigned> hardwareInterferenceSizes() const override {
return std::make_pair(128, 128);
}
};

} // namespace targets
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2 changes: 2 additions & 0 deletions clang/test/Driver/amdgpu-macros.cl
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Expand Up @@ -153,6 +153,8 @@
// ARCH-GCN-DAG: #define __[[FAMILY]]__ 1
// ARCH-GCN-DAG: #define __amdgcn_processor__ "[[CPU]]"
// ARCH-GCN-DAG: #define __AMDGCN_WAVEFRONT_SIZE [[WAVEFRONT_SIZE]]
// ARCH-GCN-DAG: #define __GCC_DESTRUCTIVE_SIZE 128
// ARCH-GCN-DAG: #define __GCC_CONSTRUCTIVE_SIZE 128
// UNSAFEFPATOMIC-DAG: #define __AMDGCN_UNSAFE_FP_ATOMICS__ 1

// RUN: %clang -E -dM -target amdgcn -mcpu=gfx906 -mwavefrontsize64 \
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