ARM: generate integer zero in a uniform manner.

src/arm/full-codegen-arm.cc

Index: src/arm/full-codegen-arm.cc
diff --git a/src/arm/full-codegen-arm.cc b/src/arm/full-codegen-arm.cc
index 0f182f8475493c4c997fcd28a227629579973a80..aaeb0eee9acdcc9cf6b78ded2d562229f292f90e 100644
--- a/src/arm/full-codegen-arm.cc
+++ b/src/arm/full-codegen-arm.cc
@@ -149,7 +149,7 @@ void FullCodeGenerator::Generate() {
   // function calls.
   if (!info->is_classic_mode() || info->is_native()) {
     Label ok;
-    __ cmp(r5, Operand(0));
+    __ cmp(r5, Operand::Zero());
     __ b(eq, &ok);
     int receiver_offset = info->scope()->num_parameters() * kPointerSize;
     __ LoadRoot(r2, Heap::kUndefinedValueRootIndex);
@@ -1039,7 +1039,7 @@ void FullCodeGenerator::VisitSwitchStatement(SwitchStatement* stmt) {
     CallIC(ic, RelocInfo::CODE_TARGET, clause->CompareId());
     patch_site.EmitPatchInfo();
 
-    __ cmp(r0, Operand(0));
+    __ cmp(r0, Operand::Zero());
     __ b(ne, &next_test);
     __ Drop(1);  // Switch value is no longer needed.
     __ b(clause->body_target());
@@ -1991,7 +1991,7 @@ void FullCodeGenerator::EmitInlineSmiBinaryOp(BinaryOperation* expr,
       __ mov(ip, Operand(scratch1, ASR, 31));
       __ cmp(ip, Operand(scratch2));
       __ b(ne, &stub_call);
-      __ cmp(scratch1, Operand(0));
+      __ cmp(scratch1, Operand::Zero());
       __ mov(right, Operand(scratch1), LeaveCC, ne);
       __ b(ne, &done);
       __ add(scratch2, right, Operand(left), SetCC);
@@ -2687,7 +2687,7 @@ void FullCodeGenerator::EmitIsStringWrapperSafeForDefaultValueOf(
 
   // Skip loop if no descriptors are valid.
   __ NumberOfOwnDescriptors(r3, r1);
-  __ cmp(r3, Operand(0));
+  __ cmp(r3, Operand::Zero());
   __ b(eq, &done);
 
   __ LoadInstanceDescriptors(r1, r4);
@@ -3018,7 +3018,7 @@ void FullCodeGenerator::EmitRandomHeapNumber(CallRuntime* expr) {
     // Move 0x41300000xxxxxxxx (x = random bits) to VFP.
     __ vmov(d7, r0, r1);
     // Move 0x4130000000000000 to VFP.
-    __ mov(r0, Operand(0, RelocInfo::NONE32));
+    __ mov(r0, Operand::Zero());
     __ vmov(d8, r0, r1);
     // Subtract and store the result in the heap number.
     __ vsub(d7, d7, d8);
@@ -3634,7 +3634,7 @@ void FullCodeGenerator::EmitFastAsciiArrayJoin(CallRuntime* expr) {
 
   // Check that all array elements are sequential ASCII strings, and
   // accumulate the sum of their lengths, as a smi-encoded value.
-  __ mov(string_length, Operand(0));
+  __ mov(string_length, Operand::Zero());
   __ add(element,
          elements, Operand(FixedArray::kHeaderSize - kHeapObjectTag));
   __ add(elements_end, element, Operand(array_length, LSL, kPointerSizeLog2));
@@ -3647,7 +3647,7 @@ void FullCodeGenerator::EmitFastAsciiArrayJoin(CallRuntime* expr) {
   //   element: Current array element.
   //   elements_end: Array end.
   if (generate_debug_code_) {
-    __ cmp(array_length, Operand(0));
+    __ cmp(array_length, Operand::Zero());
     __ Assert(gt, "No empty arrays here in EmitFastAsciiArrayJoin");
   }
   __ bind(&loop);
@@ -3690,7 +3690,7 @@ void FullCodeGenerator::EmitFastAsciiArrayJoin(CallRuntime* expr) {
   __ smull(scratch2, ip, array_length, scratch1);
   // Check for smi overflow. No overflow if higher 33 bits of 64-bit result are
   // zero.
-  __ cmp(ip, Operand(0));
+  __ cmp(ip, Operand::Zero());
   __ b(ne, &bailout);
   __ tst(scratch2, Operand(0x80000000));
   __ b(ne, &bailout);
@@ -4357,7 +4357,7 @@ void FullCodeGenerator::VisitCompareOperation(CompareOperation* expr) {
       CallIC(ic, RelocInfo::CODE_TARGET, expr->CompareOperationFeedbackId());
       patch_site.EmitPatchInfo();
       PrepareForBailoutBeforeSplit(expr, true, if_true, if_false);
-      __ cmp(r0, Operand(0));
+      __ cmp(r0, Operand::Zero());
       Split(cond, if_true, if_false, fall_through);
     }
   }