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-rw-r--r--llvm/lib/Target/AArch64/AArch64ISelLowering.cpp7
1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
index 8e3a524ed2c..4a5d3bc4dfd 100644
--- a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
+++ b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
@@ -183,6 +183,13 @@ AArch64TargetLowering::AArch64TargetLowering(const TargetMachine &TM,
addRegisterClass(MVT::nxv4f32, &AArch64::ZPRRegClass);
addRegisterClass(MVT::nxv1f64, &AArch64::ZPRRegClass);
addRegisterClass(MVT::nxv2f64, &AArch64::ZPRRegClass);
+
+ for (auto VT : { MVT::nxv16i8, MVT::nxv8i16, MVT::nxv4i32, MVT::nxv2i64 }) {
+ setOperationAction(ISD::SADDSAT, VT, Legal);
+ setOperationAction(ISD::UADDSAT, VT, Legal);
+ setOperationAction(ISD::SSUBSAT, VT, Legal);
+ setOperationAction(ISD::USUBSAT, VT, Legal);
+ }
}
// Compute derived properties from the register classes
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