[SparcV9]: Expand MULHU/MULHS:i64 and UMUL_LOHI/SMUL_LOHI:i64 on sparcv9.

[oota-llvm.git] / lib / Target / Sparc / SparcISelLowering.cpp

diff --git a/lib/Target/Sparc/SparcISelLowering.cpp b/lib/Target/Sparc/SparcISelLowering.cpp
index 707fe7b4a605b9de36bd9038d76038f7819d2f04..1b56757c1d6c884e7fe0d1c9502ce004ceca2705 100644 (file)
--- a/lib/Target/Sparc/SparcISelLowering.cpp
+++ b/lib/Target/Sparc/SparcISelLowering.cpp
@@ -1462,6 +1462,13 @@ SparcTargetLowering::SparcTargetLowering(TargetMachine &TM)
   setOperationAction(ISD::UMUL_LOHI, MVT::i32, Expand);
   setOperationAction(ISD::SMUL_LOHI, MVT::i32, Expand);
 
+  if (Subtarget->is64Bit()) {
+    setOperationAction(ISD::UMUL_LOHI, MVT::i64, Expand);
+    setOperationAction(ISD::SMUL_LOHI, MVT::i64, Expand);
+    setOperationAction(ISD::MULHU,     MVT::i64, Expand);
+    setOperationAction(ISD::MULHS,     MVT::i64, Expand);
+  }
+
   // VASTART needs to be custom lowered to use the VarArgsFrameIndex.
   setOperationAction(ISD::VASTART           , MVT::Other, Custom);
   // VAARG needs to be lowered to not do unaligned accesses for doubles.