[mips] Expand vector truncating stores and extending loads.
llvm-svn: 187667
diff --git a/llvm/lib/Target/Mips/MipsSEISelLowering.cpp b/llvm/lib/Target/Mips/MipsSEISelLowering.cpp
index 8b5a874..58c8e7c 100644
--- a/llvm/lib/Target/Mips/MipsSEISelLowering.cpp
+++ b/llvm/lib/Target/Mips/MipsSEISelLowering.cpp
@@ -53,6 +53,20 @@
setOperationAction(ISD::BITCAST, VecTys[i], Legal);
}
+ // Expand all truncating stores and extending loads.
+ unsigned FirstVT = (unsigned)MVT::FIRST_VECTOR_VALUETYPE;
+ unsigned LastVT = (unsigned)MVT::LAST_VECTOR_VALUETYPE;
+
+ for (unsigned VT0 = FirstVT; VT0 <= LastVT; ++VT0) {
+ for (unsigned VT1 = FirstVT; VT1 <= LastVT; ++VT1)
+ setTruncStoreAction((MVT::SimpleValueType)VT0,
+ (MVT::SimpleValueType)VT1, Expand);
+
+ setLoadExtAction(ISD::SEXTLOAD, (MVT::SimpleValueType)VT0, Expand);
+ setLoadExtAction(ISD::ZEXTLOAD, (MVT::SimpleValueType)VT0, Expand);
+ setLoadExtAction(ISD::EXTLOAD, (MVT::SimpleValueType)VT0, Expand);
+ }
+
setTargetDAGCombine(ISD::SHL);
setTargetDAGCombine(ISD::SRA);
setTargetDAGCombine(ISD::SRL);