commit 6b7c21cc303f3435d496f1799b570337b4d119fd
author Chris Lattner <sabre@nondot.org> Sat Jun 09 05:01:50 2007 +0000
committer Chris Lattner <sabre@nondot.org> Sat Jun 09 05:01:50 2007 +0000
tree 7e373ad76fdceec27e86f3ab1317fe9863816bfe
parent ae5eb7accf65ee94e22b3d235d466d71268f1e83

fix mmx handling bug


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37533 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/X86/X86ISelLowering.cpp

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index bf84993..3f7f9f7 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -1183,7 +1183,10 @@
         RC = X86::FR64RegisterClass;
       else {
         assert(MVT::isVector(RegVT));
-        RC = X86::VR128RegisterClass;
+        if (MVT::getSizeInBits(RegVT) == 64)
+          RC = X86::VR64RegisterClass;
+        else
+          RC = X86::VR128RegisterClass;
       }
 
       unsigned Reg = AddLiveIn(DAG.getMachineFunction(), VA.getLocReg(), RC);