================
@@ -2838,6 +2852,17 @@ let append Predicates = [IsRV64] in {
(ZIP8P GPR:$rs1, GPR:$rs2)>;
def : Pat<(v4i16 (riscv_pzip (v4i16 GPR:$rs1), (v4i16 GPR:$rs2))),
(ZIP16P GPR:$rs1, GPR:$rs2)>;
+
+ // Packed narrowing zip: pair the low (even) / high (odd) byte/halfword of
+ // each widened element of rs1 and rs2.
+ def : Pat<(v8i8 (riscv_ppaire (v8i8 GPR:$rs1), (v8i8 GPR:$rs2))),
+ (PPAIRE_B GPR:$rs1, GPR:$rs2)>;
+ def : Pat<(v8i8 (riscv_ppairo (v8i8 GPR:$rs1), (v8i8 GPR:$rs2))),
+ (PPAIRO_B GPR:$rs1, GPR:$rs2)>;
+ def : Pat<(v4i16 (riscv_ppaire (v4i16 GPR:$rs1), (v4i16 GPR:$rs2))),
+ (PPAIRE_H GPR:$rs1, GPR:$rs2)>;
+ def : Pat<(v4i16 (riscv_ppairo (v4i16 GPR:$rs1), (v4i16 GPR:$rs2))),
+ (PPAIRO_H GPR:$rs1, GPR:$rs2)>;
----------------
topperc wrote:
```suggestion
(PPAIRO_H GPR:$rs1, GPR:$rs2)>;
```
https://github.com/llvm/llvm-project/pull/210040
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