[PATCH] D122212: [RISCV] Add alias to pack/packw

[LiqinWeng via Phabricator via llvm-commits]

Miss_Grape created this revision.
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Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D122212

Files:
  llvm/lib/Target/RISCV/RISCVInstrInfoZb.td


Index: llvm/lib/Target/RISCV/RISCVInstrInfoZb.td
===================================================================
--- llvm/lib/Target/RISCV/RISCVInstrInfoZb.td
+++ llvm/lib/Target/RISCV/RISCVInstrInfoZb.td
@@ -650,6 +650,14 @@
 // Pseudo Instructions
 //===----------------------------------------------------------------------===//
 
+let Predicates = [HasStdExtZbpOrZbkb, IsRV32] in {
+def : InstAlias<"zext.h $rd, $rs", (PACK GPR:$rd, GPR:$rs, X0), 0>;
+}
+
+let Predicates = [HasStdExtZbpOrZbkb, IsRV64] in {
+def : InstAlias<"zext.h $rd, $rs", (PACKW GPR:$rd, GPR:$rs, X0), 0>;
+}
+
 let Predicates = [HasStdExtZba, IsRV64] in {
 def : InstAlias<"zext.w $rd, $rs", (ADD_UW GPR:$rd, GPR:$rs, X0)>;
 }


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