[llvm-commits] [llvm] r148875 - /llvm/trunk/lib/Target/Mips/MipsISelLowering.cpp

[Akira Hatanaka]

Author: ahatanak
Date: Tue Jan 24 17:18:43 2012
New Revision: 148875

URL: http://llvm.org/viewvc/llvm-project?rev=148875&view=rev
Log:
Sign-extend 32-bit integer arguments when they are passed in 64-bit registers,
which is what N32/64 does.


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=148875&r1=148874&r2=148875&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/MipsISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/Mips/MipsISelLowering.cpp Tue Jan 24 17:18:43 2012
@@ -2299,7 +2299,10 @@
       Arg = DAG.getNode(ISD::ZERO_EXTEND, dl, LocVT, Arg);
       break;
     case CCValAssign::AExt:
-      Arg = DAG.getNode(ISD::ANY_EXTEND, dl, LocVT, Arg);
+      if (ValVT == MVT::i32)
+        Arg = DAG.getNode(ISD::SIGN_EXTEND, dl, LocVT, Arg);
+      else
+        Arg = DAG.getNode(ISD::ANY_EXTEND, dl, LocVT, Arg);
       break;
     }