[llvm-branch-commits] [llvm] [RISCV] Support memcmp expansion for vectors (PR #114517)

[Pengcheng Wang via llvm-branch-commits]

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@@ -2525,5 +2527,21 @@ RISCVTTIImpl::enableMemCmpExpansion(bool OptSize, bool 
IsZeroCmp) const {
     Options.LoadSizes = {8, 4, 2, 1};
   else
     Options.LoadSizes = {4, 2, 1};
+  if (IsZeroCmp && ST->hasVInstructions()) {
----------------
wangpc-pp wrote:

Good catch! I will add a guard here!

https://github.com/llvm/llvm-project/pull/114517
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