[clang] [llvm] [RISC-V] Add support for MIPS P8700 CPU (PR #117865)

[Min-Yih Hsu via cfe-commits]

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@@ -22,6 +22,7 @@ def WriteIMul32     : SchedWrite;    // 32-bit multiply on RV64I
 def WriteJmp        : SchedWrite;    // Jump
 def WriteJal        : SchedWrite;    // Jump and link
 def WriteJalr       : SchedWrite;    // Jump and link register
+def WriteJmpReg     : SchedWrite;    // Jump register
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mshockwave wrote:

which instruction uses this?

https://github.com/llvm/llvm-project/pull/117865