[llvm] [AArch64] SME definitions for C1-Ultra scheduling model (PR #194850)

[via llvm-commits]

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@@ -1959,131 +2548,147 @@ def : InstRW<[C1UWrite_2c_1V0], (instregex "^N?MATCH_PPzZZ_[BH]")>;
 def : InstRW<[C1UWr_ZMMA, C1URd_ZMMA, C1URd_ZMMA], (instrs SMMLA_ZZZ, UMMLA_ZZZ, USMMLA_ZZZ)>;
 
 // Move prefix
-def : InstRW<[C1UWrite_2c_1V], (instregex "^MOVPRFX_ZP[mz]Z_[BHSD]",
-                                         "^MOVPRFX_ZZ")>;
+def : InstRW<[C1UWrite_2c_1V_CMEVXALU], (instregex "^MOVPRFX_ZP[mz]Z_[BHSD]",
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walkerkd wrote:

I think the this should be CMEPERMS according to the SME2 SWOG

https://github.com/llvm/llvm-project/pull/194850