[llvm-commits] [llvm] r70751 - /llvm/trunk/lib/Target/MSP430/MSP430ISelLowering.cpp

[Anton Korobeynikov]

Author: asl
Date: Sun May  3 08:14:25 2009
New Revision: 70751

URL: http://llvm.org/viewvc/llvm-project?rev=70751&view=rev
Log:
Expand muls (all mulls!) to libcalls for now

Modified:
    llvm/trunk/lib/Target/MSP430/MSP430ISelLowering.cpp

Modified: llvm/trunk/lib/Target/MSP430/MSP430ISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/MSP430/MSP430ISelLowering.cpp?rev=70751&r1=70750&r2=70751&view=diff

==============================================================================
--- llvm/trunk/lib/Target/MSP430/MSP430ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/MSP430/MSP430ISelLowering.cpp Sun May  3 08:14:25 2009
@@ -78,6 +78,13 @@
   setOperationAction(ISD::SELECT_CC,        MVT::Other, Expand);
   setOperationAction(ISD::SELECT,           MVT::i8,    Custom);
   setOperationAction(ISD::SELECT,           MVT::i16,   Custom);
+
+  // FIXME: Implement efficiently multiplication by a constant
+  setOperationAction(ISD::MUL,              MVT::i16,   Expand);
+  setOperationAction(ISD::MULHS,            MVT::i16,   Expand);
+  setOperationAction(ISD::MULHU,            MVT::i16,   Expand);
+  setOperationAction(ISD::SMUL_LOHI,        MVT::i16,   Expand);
+  setOperationAction(ISD::UMUL_LOHI,        MVT::i16,   Expand);
 }
 
 SDValue MSP430TargetLowering::LowerOperation(SDValue Op, SelectionDAG &DAG) {