[clang] [llvm] [AArch64] Add intrinsics for non-widening FMOPA/FMOPS (PR #88105)

[via llvm-commits]

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@@ -674,3 +674,27 @@ let TargetGuard = "sme2" in {
   def SVLUTI2_LANE_ZT_X2 : Inst<"svluti2_lane_zt_{d}_x2", "2.di[i", "cUcsUsiUibhf", MergeNone, "aarch64_sme_luti2_lane_zt_x2", [IsStreaming, IsInZT0], [ImmCheck<0, ImmCheck0_0>, ImmCheck<2, ImmCheck0_7>]>;
   def SVLUTI4_LANE_ZT_X2 : Inst<"svluti4_lane_zt_{d}_x2", "2.di[i", "cUcsUsiUibhf", MergeNone, "aarch64_sme_luti4_lane_zt_x2", [IsStreaming, IsInZT0], [ImmCheck<0, ImmCheck0_0>, ImmCheck<2, ImmCheck0_3>]>;
 }
+
+////////////////////////////////////////////////////////////////////////////////
+// SME2p1 - FMOPA, FMOPS (non-widening)
+let TargetGuard = "sme,b16b16" in {
+  def SVMOPA_BF16_NW : SInst<"svmopa_za16[_bf16]", "viPPdd", "b",
+                             MergeOp1, "aarch64_sme_mopa_nonwide",
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CarolineConcatto wrote:

Just in case:
I remember a discussion that we said we could use MergeNone and in the name add  _m:
svmopa_za16[_bf16]_m
Because MergeOp1 is only adding _m

https://github.com/llvm/llvm-project/pull/88105