[llvm] [RISCV][Scheduler] Add scheduling definitions for 128-bit Zfa instructions (PR #140003)

[Iris Shi via llvm-commits]

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@@ -447,13 +450,16 @@ let Unsupported = true in {
 def : WriteRes<WriteFRoundF16, []>;
 def : WriteRes<WriteFRoundF32, []>;
 def : WriteRes<WriteFRoundF64, []>;
+def : WriteRes<WriteFRoundF128, []>;
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el-ev wrote:

Only added `UnsupportedSchedZfaWithQ` here, I can add others in a followup.

https://github.com/llvm/llvm-project/pull/140003