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

[Matt Arsenault via llvm-commits]

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@@ -354,6 +354,16 @@ class TargetLoweringBase {
     return IsStrictFPEnabled;
   }
 
+  /// Returns true if the target supports static rounding mode for the given
+  /// instruction.
+  virtual bool isStaticRoundingSupportedFor(const Instruction &I) const {
+    return false;
+  }
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arsenm wrote:

This hook doesn't make sense to me, and I don't see how it would be usable

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