[PATCH] D85257: [X86] Optimize getImpliedDisabledFeatures & getImpliedEnabledFeatures'

Craig Topper via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Aug 4 17:25:33 PDT 2020


craig.topper added inline comments.


================
Comment at: llvm/lib/Support/X86TargetParser.cpp:570
+    Prev = Bits;
+    for (unsigned i = CPU_FEATURE_MAX; i;)
+      if (Bits[--i])
----------------
Is there something special about going in reverse here?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D85257/new/

https://reviews.llvm.org/D85257



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