https://github.com/jhuber6 created
https://github.com/llvm/llvm-project/pull/115248
Summary:
According to the white papers, the cache line size on NVPTX
architectures is 128 bytes. This should be what's returned by these
preprocessor macros.
>From c18a58229b6921b613045a0d380f09bade14c2fb Mon Sep 17 00:00:00 2001
From: Joseph Huber <hube...@outlook.com>
Date: Wed, 6 Nov 2024 19:48:52 -0600
Subject: [PATCH] [NVPTX] Set cache line size to 128 for __GCC_DESTRUCTIVE_SIZE
Summary:
According to the white papers, the cache line size on NVPTX
architectures is 128 bytes. This should be what's returned by these
preprocessor macros.
---
clang/lib/Basic/Targets/NVPTX.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/clang/lib/Basic/Targets/NVPTX.h b/clang/lib/Basic/Targets/NVPTX.h
index 165b28a60fb2a9..b1a07cdc6ed6bc 100644
--- a/clang/lib/Basic/Targets/NVPTX.h
+++ b/clang/lib/Basic/Targets/NVPTX.h
@@ -186,6 +186,10 @@ class LLVM_LIBRARY_VISIBILITY NVPTXTargetInfo : public
TargetInfo {
bool hasBFloat16Type() const override { return true; }
OffloadArch getGPU() const { return GPU; }
+
+ std::pair<unsigned, unsigned> hardwareInterferenceSizes() const override {
+ return std::make_pair(128, 128);
+ }
};
} // namespace targets
} // namespace clang
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