[PATCH] D38046: [Atomic][X8664] set max atomic inline/promote width according to the target

Eli Friedman via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Wed Sep 20 14:16:08 PDT 2017


efriedma added a comment.

Needs testcase.



================
Comment at: lib/Basic/Targets/X86.h:898
+      MaxAtomicPromoteWidth = 64;
+      MaxAtomicInlineWidth = 64;
+    }
----------------
I don't think we need to mess with MaxAtomicPromoteWidth?

Probably more intuitive to check "if (hasFeature" rather than "if (!hasFeature".

Adding a dedicated hook for this seems a bit overkill, but I don't have a better suggestion.


Repository:
  rL LLVM

https://reviews.llvm.org/D38046





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