[clang] [llvm] [RISCV][P-ext] Support Packed Multiply High Parts (PR #225015)

[via llvm-commits]

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@@ -1895,6 +1895,29 @@ def riscv_pmulsu_halves_00
 def riscv_pmulsu_halves_11
     : RVSDNode<"PMULSU_HALVES_11", SDT_RISCVPackedWideningMulByHalves>;
 
+// Multiply high parts
+def SDT_RISCVMulHighParts
+    : SDTypeProfile<1, 2, [SDTCisVT<0, XLenVT>, SDTCisVT<1, XLenVT>,
+                           SDTCisVT<2, XLenVT>]>;
+def riscv_mulh_h0   : RVSDNode<"MULH_H0",   SDT_RISCVMulHighParts>;
+def riscv_mulh_h1   : RVSDNode<"MULH_H1",   SDT_RISCVMulHighParts>;
+def riscv_mulhsu_h0 : RVSDNode<"MULHSU_H0", SDT_RISCVMulHighParts>;
+def riscv_mulhsu_h1 : RVSDNode<"MULHSU_H1", SDT_RISCVMulHighParts>;
+
+def SDT_RISCVPackedMulHighParts
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TelGome wrote:

Done

https://github.com/llvm/llvm-project/pull/225015