[clang] [llvm] [Clang][llvm] Implement fp8 FMOP4A intrinsics (PR #130127)

[via cfe-commits]

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@@ -3064,6 +3064,61 @@ let TargetPrefix = "aarch64" in {
   def int_aarch64_sme_usmopa_wide : SME_OuterProduct_Intrinsic;
   def int_aarch64_sme_usmops_wide : SME_OuterProduct_Intrinsic;
 
+  class SME_OuterProduct_QuarterTile_Single_Single
+      : DefaultAttrsIntrinsic<[],
+          [llvm_i32_ty,
+          llvm_anyvector_ty,
+          LLVMMatchType<0>], [ImmArg<ArgIndex<0>>, IntrNoMem, IntrHasSideEffects]>;
+
+  // 2-way and 4-way multi-vector signed/unsigned Quarter Tile Quarter Product A/S
+  foreach mode = ["s", "a"] in {
+    foreach za = ["", "_za64"] in {
+      foreach ty = ["s", "u", "su", "us"] in {
+        def int_aarch64_sme_ # ty # "mop4" # mode # za # "_wide_1x1" : SME_OuterProduct_QuarterTile_Single_Single;
+      }
+    }
+  }
+
+  // 2-way and 4-way multi-vector floating point Quarter Tile Quarter Product A/S
+  foreach mode = ["s", "a"] in {
+    foreach wide = ["", "_wide"] in {
+      def int_aarch64_sme_mop4 # mode # wide # "_1x1" : SME_OuterProduct_QuarterTile_Single_Single;
+    }
+  }
+
+  class SME_FP8_OuterProduct_Intrinsic_Single_Single
+      : DefaultAttrsIntrinsic<[],
+          [llvm_i32_ty,
+          llvm_nxv16i8_ty,
+          llvm_nxv16i8_ty],
+          [ImmArg<ArgIndex<0>>, IntrInaccessibleMemOnly, IntrHasSideEffects]>;
+
+  class SME_FP8_OuterProduct_Intrinsic_Single_Multi
+      : DefaultAttrsIntrinsic<[],
+          [llvm_i32_ty,
+          llvm_nxv16i8_ty,
+          llvm_nxv16i8_ty,
+          llvm_nxv16i8_ty],
+          [ImmArg<ArgIndex<0>>, IntrInaccessibleMemOnly, IntrHasSideEffects]>;
+
+  class SME_FP8_OuterProduct_Intrinsic_Multi_Multi
+      : DefaultAttrsIntrinsic<[],
+          [llvm_i32_ty,
+          llvm_nxv16i8_ty,
+          llvm_nxv16i8_ty,
+          llvm_nxv16i8_ty,
+          llvm_nxv16i8_ty],
+          [ImmArg<ArgIndex<0>>, IntrInaccessibleMemOnly, IntrHasSideEffects]>;
+
+  def int_aarch64_sme_fp8_fmop4a_za16_1x1 : SME_FP8_OuterProduct_Intrinsic_Single_Single;
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Lukacma wrote:

Probably good idea to for loop it over za type

https://github.com/llvm/llvm-project/pull/130127