[llvm-commits] [llvm] r42755 - /llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp

[Dan Gohman]

Author: djg
Date: Mon Oct  8 12:28:24 2007
New Revision: 42755

URL: http://llvm.org/viewvc/llvm-project?rev=42755&view=rev
Log:
When we start enabling SMUL_LOHI/UMUL_LOHI or SDIVREM/UDIVREM in
target-indepenent lowering, don't use them on PowerPC.

Modified:
    llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp

Modified: llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp?rev=42755&r1=42754&r2=42755&view=diff

==============================================================================
--- llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/PowerPC/PPCISelLowering.cpp Mon Oct  8 12:28:24 2007
@@ -87,6 +87,16 @@
   setOperationAction(ISD::UREM, MVT::i32, Expand);
   setOperationAction(ISD::SREM, MVT::i64, Expand);
   setOperationAction(ISD::UREM, MVT::i64, Expand);
+
+  // Don't use SMUL_LOHI/UMUL_LOHI or SDIVREM/UDIVREM to lower SREM/UREM.
+  setOperationAction(ISD::UMUL_LOHI, MVT::i32, Expand);
+  setOperationAction(ISD::SMUL_LOHI, MVT::i32, Expand);
+  setOperationAction(ISD::UMUL_LOHI, MVT::i64, Expand);
+  setOperationAction(ISD::SMUL_LOHI, MVT::i64, Expand);
+  setOperationAction(ISD::UDIVREM, MVT::i32, Expand);
+  setOperationAction(ISD::SDIVREM, MVT::i32, Expand);
+  setOperationAction(ISD::UDIVREM, MVT::i64, Expand);
+  setOperationAction(ISD::SDIVREM, MVT::i64, Expand);
   
   // We don't support sin/cos/sqrt/fmod
   setOperationAction(ISD::FSIN , MVT::f64, Expand);
@@ -265,6 +275,10 @@
       setOperationAction(ISD::EXTRACT_VECTOR_ELT, (MVT::ValueType)VT, Expand);
       setOperationAction(ISD::INSERT_VECTOR_ELT, (MVT::ValueType)VT, Expand);
       setOperationAction(ISD::BUILD_VECTOR, (MVT::ValueType)VT, Expand);
+      setOperationAction(ISD::UMUL_LOHI, (MVT::ValueType)VT, Expand);
+      setOperationAction(ISD::SMUL_LOHI, (MVT::ValueType)VT, Expand);
+      setOperationAction(ISD::UDIVREM, (MVT::ValueType)VT, Expand);
+      setOperationAction(ISD::SDIVREM, (MVT::ValueType)VT, Expand);
 
       setOperationAction(ISD::SCALAR_TO_VECTOR, (MVT::ValueType)VT, Expand);
     }