[clang] [llvm] [RISCV][P-ext] Add packed multiply high parts accumulate intrinsics (PR #224261)

[via llvm-commits]

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@@ -17536,6 +17609,30 @@ void RISCVTargetLowering::ReplaceNodeResults(SDNode *N,
       Results.push_back(DAG.getExtractSubvector(DL, VT, Res, 0));
       return;
     }
+    case Intrinsic::riscv_pmhacc_b0:
+    case Intrinsic::riscv_pmhacc_b1:
+    case Intrinsic::riscv_pmhaccsu_b0:
+    case Intrinsic::riscv_pmhaccsu_b1: {
+      // pmhacc.h.bXX exists only on RV32; on RV64 the v2i16 result has to
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StarryCSF wrote:

Yes, you're right. Thank you

https://github.com/llvm/llvm-project/pull/224261