================
@@ -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 {
----------------
CarolineConcatto wrote:
I think it should be  "sme2,b16b16" 
if we see the BFMOPA
https://developer.arm.com/documentation/ddi0602/2024-03/SME-Instructions/BFMOPA--non-widening---BFloat16-floating-point-outer-product-and-accumulate-?lang=en

if !IsFeatureImplemented(FEAT_SME2) || !IsFeatureImplemented(FEAT_SVE_B16B16) 
then UNDEFINED;

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