[llvm-commits] [llvm] r144373 - /llvm/trunk/lib/Target/Mips/MipsISelLowering.cpp

[Akira Hatanaka]

Author: ahatanak
Date: Thu Nov 10 22:18:21 2011
New Revision: 144373

URL: http://llvm.org/viewvc/llvm-project?rev=144373&view=rev
Log:
Do not try to detect DAG combine patterns for integer multiply-add/sub if value
type is not i32. MIPS does not have 64-bit integer multiply-add/sub
instructions.

Modified:
    llvm/trunk/lib/Target/Mips/MipsISelLowering.cpp

Modified: llvm/trunk/lib/Target/Mips/MipsISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/MipsISelLowering.cpp?rev=144373&r1=144372&r2=144373&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/MipsISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/Mips/MipsISelLowering.cpp Thu Nov 10 22:18:21 2011
@@ -395,7 +395,8 @@
   if (DCI.isBeforeLegalize())
     return SDValue();
 
-  if (Subtarget->hasMips32() && SelectMadd(N, &DAG))
+  if (Subtarget->hasMips32() && N->getValueType(0) == MVT::i32 &&
+      SelectMadd(N, &DAG))
     return SDValue(N, 0);
 
   return SDValue();
@@ -407,7 +408,8 @@
   if (DCI.isBeforeLegalize())
     return SDValue();
 
-  if (Subtarget->hasMips32() && SelectMsub(N, &DAG))
+  if (Subtarget->hasMips32() && N->getValueType(0) == MVT::i32 &&
+      SelectMsub(N, &DAG))
     return SDValue(N, 0);
 
   return SDValue();