[PATCH] D156404: [RISCV] Use x0 in vsetvli when avl is equal to vlmax.

[Craig Topper via Phabricator via llvm-commits]

craig.topper added inline comments.


================
Comment at: llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp:557
+    if (Subtarget->getRealMinVLen() == Subtarget->getRealMaxVLen()) {
+      const unsigned VLEN = Subtarget->getRealMinVLen();
+      if (VLEN / RISCVVType::getSEWLMULRatio(SEW, VLMul) == C->getZExtValue())
----------------
```
const unsigned VLEN = Subtarget->getRealMinVLen();
if (VLEN == Subtarget->getRealMaxVLen()) {
```


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D156404/new/

https://reviews.llvm.org/D156404