[clang] [llvm] [RISCV][P-ext] Support Packed "Q-format" Multiply Parts Accumulate (PR #217918)

[via llvm-commits]

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@@ -2717,6 +2712,26 @@ let append Predicates = [IsRV32] in {
             (NCLIPI (BuildGPRPair GPR:$lo, GPR:$hi), timm:$imm)>;
   def : Pat<(XLenVT (riscv_nclipu XLenVT:$lo, XLenVT:$hi, timm:$imm)),
             (NCLIPIU (BuildGPRPair GPR:$lo, GPR:$hi), timm:$imm)>;
+
+  // Packed "Q-format" multiply parts accumulate, scalar halfword (RV32).
+  def : Pat<(XLenVT (riscv_mqacc_h00 (XLenVT GPR:$rd),
+                        (XLenVT GPR:$rs1), (XLenVT GPR:$rs2))),
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TelGome wrote:

Done. SDT_RISCVQFormatAccS now takes v2i16 for the sources instead of XLenVT.

https://github.com/llvm/llvm-project/pull/217918