[PATCH] D112986: [Clang][RISCV] Restrict rvv builtin-s with zve macro-s

Yueh-Ting Chen via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Jan 20 22:19:40 PST 2022


eopXD added inline comments.


================
Comment at: clang/utils/TableGen/RISCVVEmitter.cpp:149
   RV64 = 1 << 5,
+  VectorMaxELen32 = 1 << 6,
+  VectorMaxELen64 = 1 << 7,
----------------
craig.topper wrote:
> Do we need VectorMaxELen32 isn't that the minimum?
Yes you are correct. We don't need it.


================
Comment at: clang/utils/TableGen/RISCVVEmitter.cpp:804
+      RISCVPredefinedMacros |= RISCVPredefinedMacro::Zfh;
     else if (T->isFloatVector(32) || T->isFloat(32))
+      RISCVPredefinedMacros |= RISCVPredefinedMacro::F;
----------------
craig.topper wrote:
> Can D and F go away?
Done.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D112986/new/

https://reviews.llvm.org/D112986



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