[clang] [llvm] [Clang][LLVM] Implement single-single vectors MOP4{A/S} (PR #127797)

[via cfe-commits]

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@@ -5763,9 +5806,13 @@ class sme2_fp64_quarter_tile_outer_product<bit M, bit N, bit S, string mnemonic,
   let Constraints = "$ZAda = $_ZAda";
 }
 
-multiclass sme2_fmop4as_fp64_non_widening<bit S, string mnemonic> {
+multiclass sme2_fmop4as_fp64_non_widening<bit S, string mnemonic, string op> {
   // Single vectors
-  def _MZZ_D : sme2_fp64_quarter_tile_outer_product<0, 0, S, mnemonic, ZPR64Mul2_Lo, ZPR64Mul2_Hi>;
+  def _MZZ_D : sme2_fp64_quarter_tile_outer_product<0, 0, S, mnemonic, ZPR64Mul2_Lo, ZPR64Mul2_Hi>, SMEPseudo2Instr<NAME # _MZZ_D, 1>;
+
+  def NAME # _MZZ_D # _PSEUDO : sme2_quarter_tile_outer_product_pseudo_single_single<ZPR64Mul2_Lo, ZPR64Mul2_Hi, SMEMatrixTileD>, SMEPseudo2Instr<NAME # _MZZ_D, 0>;
+
+  def : SME2_ZA_Tile_TwoVec_Pat<NAME # _MZZ_D, !cast<SDPatternOperator>(op # "_1x1"), timm32_0_3, nxv2f64>;
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CarolineConcatto wrote:

I believe that here timm32_0_3 should be timm32_0_7.
"Double-precision, single vectors" variants: is the name of the ZA tile ZA0-ZA7, encoded in the "ZAda" field.
From: https://developer.arm.com/documentation/ddi0602/2024-12/SME-Instructions/FMOP4A--non-widening---Floating-point-quarter-tile-outer-products--accumulating-?lang=en

https://github.com/llvm/llvm-project/pull/127797