[PATCH] D74918: Add method to TargetInfo to get CPU cache line size

Eli Friedman via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Thu Feb 20 13:07:45 PST 2020


efriedma added a comment.

Where are you planning to use this?



================
Comment at: clang/lib/Sema/SemaStmt.cpp:2817
+
+  unsigned targetCacheLineSize = Ctx.getTargetInfo().getCPUCacheLineSize();
+  if (!targetCacheLineSize)
----------------
"64" here is arbitrary; it's not actually supposed to be the cache line size for any particular CPU, just something generally expensive.  I don't think this warning should depend on -mcpu.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D74918/new/

https://reviews.llvm.org/D74918





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