Fix x64 array length operations in Crankshaft

src/x64/lithium-codegen-x64.cc

Index: src/x64/lithium-codegen-x64.cc
diff --git a/src/x64/lithium-codegen-x64.cc b/src/x64/lithium-codegen-x64.cc
index cca99a12b22facbcbfc0b2c6f836b2d7baa14ac8..639d7c49e549697d7b1a972a8685af1f102a6432 100644
--- a/src/x64/lithium-codegen-x64.cc
+++ b/src/x64/lithium-codegen-x64.cc
@@ -1045,21 +1045,21 @@ void LCodeGen::DoConstantT(LConstantT* instr) {
 void LCodeGen::DoJSArrayLength(LJSArrayLength* instr) {
   Register result = ToRegister(instr->result());
   Register array = ToRegister(instr->InputAt(0));
-  __ movq(result, FieldOperand(array, JSArray::kLengthOffset));
+  __ movl(result, FieldOperand(array, JSArray::kLengthOffset));
 }
 
 
 void LCodeGen::DoFixedArrayLength(LFixedArrayLength* instr) {
   Register result = ToRegister(instr->result());
   Register array = ToRegister(instr->InputAt(0));
-  __ movq(result, FieldOperand(array, FixedArray::kLengthOffset));
+  __ movl(result, FieldOperand(array, FixedArray::kLengthOffset));
 }
 
 
 void LCodeGen::DoExternalArrayLength(LExternalArrayLength* instr) {
   Register result = ToRegister(instr->result());
   Register array = ToRegister(instr->InputAt(0));
-  __ movq(result, FieldOperand(array, ExternalPixelArray::kLengthOffset));
+  __ movl(result, FieldOperand(array, ExternalPixelArray::kLengthOffset));
 }
 
 
@@ -2787,9 +2787,9 @@ void LCodeGen::DoStorePixelArrayElement(LStorePixelArrayElement* instr) {
 
 void LCodeGen::DoBoundsCheck(LBoundsCheck* instr) {
   if (instr->length()->IsRegister()) {
-    __ cmpq(ToRegister(instr->index()), ToRegister(instr->length()));
+    __ cmpl(ToRegister(instr->index()), ToRegister(instr->length()));
   } else {
-    __ cmpq(ToRegister(instr->index()), ToOperand(instr->length()));
+    __ cmpl(ToRegister(instr->index()), ToOperand(instr->length()));
   }
   DeoptimizeIf(above_equal, instr->environment());
 }