[llvm] [SelectionDAG][RISCV] Operations with static rounding (PR #100999)

[Craig Topper via llvm-commits]

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@@ -535,6 +535,11 @@ class RISCVTargetLowering : public TargetLowering {
 
   bool softPromoteHalfType() const override { return true; }
 
+  bool isStaticRoundingSupportedFor(const Instruction &I) const override {
+    return true;
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topperc wrote:

This is wrong for vectors.

https://github.com/llvm/llvm-project/pull/100999