Fix bad typo in xmm register saves.

R=mstarzinger@chromium.org,jkummerow@chromium.org

Review URL: https://codereview.chromium.org/14205006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14316 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/x64/code-stubs-x64.cc

@@ -4407,7 +4407,7 @@ void JSEntryStub::GenerateBody(MacroAssembler* masm, bool is_construct) {
   __ movdqu(xmm6, Operand(rsp, EntryFrameConstants::kXMMRegisterSize * 0));
   __ movdqu(xmm7, Operand(rsp, EntryFrameConstants::kXMMRegisterSize * 1));
   __ movdqu(xmm8, Operand(rsp, EntryFrameConstants::kXMMRegisterSize * 2));
-  __ movdqu(xmm8, Operand(rsp, EntryFrameConstants::kXMMRegisterSize * 3));
+  __ movdqu(xmm9, Operand(rsp, EntryFrameConstants::kXMMRegisterSize * 3));
   __ movdqu(xmm10, Operand(rsp, EntryFrameConstants::kXMMRegisterSize * 4));
   __ movdqu(xmm11, Operand(rsp, EntryFrameConstants::kXMMRegisterSize * 5));
   __ movdqu(xmm12, Operand(rsp, EntryFrameConstants::kXMMRegisterSize * 6));