commit a4a49e37abce58090e91a690828fa051233aba72
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 613bdb4dd64bb7583dba4cfb1fcdd74aec28acad
parent d18b16034a35bdcdbb9eb3ed9eb8d4f2fadbf502

fix mmx handling bug

llvm-svn: 37533

llvm/lib/Target/X86/X86ISelLowering.cpp

diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index bf84993..3f7f9f7 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/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);