MIPS[64] Fix build failure after porting Smi to new design.

After commit 6d706ae3, MIPS builders
started to fail. This CL completes that commit.

Change-Id: Ib3fef6771f7878c8760b4820e54b06e853d6be3d
Reviewed-on: https://chromium-review.googlesource.com/c/1320489Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Reviewed-by: Ivica Bogosavljevic <ibogosavljevic@wavecomp.com>
Commit-Queue: Ivica Bogosavljevic <ibogosavljevic@wavecomp.com>
Cr-Commit-Position: refs/heads/master@{#57309}

src/builtins/mips/builtins-mips.cc

@@ -1070,7 +1070,7 @@ static void Generate_InterpreterEnterBytecode(MacroAssembler* masm) {
   Label builtin_trampoline, trampoline_loaded;
   Smi interpreter_entry_return_pc_offset(
       masm->isolate()->heap()->interpreter_entry_return_pc_offset());
-  DCHECK_NE(interpreter_entry_return_pc_offset, Smi::kZero);
+  DCHECK_NE(interpreter_entry_return_pc_offset, Smi::zero());
 
   // If the SFI function_data is an InterpreterData, get the trampoline stored
   // in it, otherwise get the trampoline from the builtins list.
@@ -1303,7 +1303,7 @@ void Builtins::Generate_InterpreterOnStackReplacement(MacroAssembler* masm) {
   }
 
   // If the code object is null, just return to the caller.
-  __ Ret(eq, v0, Operand(Smi::kZero));
+  __ Ret(eq, v0, Operand(Smi::zero()));
 
   // Drop the handler frame that is be sitting on top of the actual
   // JavaScript frame. This is the case then OSR is triggered from bytecode.
@@ -1543,7 +1543,7 @@ static void EnterArgumentsAdaptorFrame(MacroAssembler* masm) {
   __ sll(a0, a0, kSmiTagSize);
   __ li(t0, Operand(StackFrame::TypeToMarker(StackFrame::ARGUMENTS_ADAPTOR)));
   __ MultiPush(a0.bit() | a1.bit() | t0.bit() | fp.bit() | ra.bit());
-  __ Push(Smi::kZero);  // Padding.
+  __ Push(Smi::zero());  // Padding.
   __ Addu(fp, sp,
           Operand(ArgumentsAdaptorFrameConstants::kFixedFrameSizeFromFp));
 }
@@ -2268,7 +2268,7 @@ void Builtins::Generate_WasmCompileLazy(MacroAssembler* masm) {
                               WasmInstanceObject::kCEntryStubOffset));
     // Initialize the JavaScript context with 0. CEntry will use it to
     // set the current context on the isolate.
-    __ Move(kContextRegister, Smi::kZero);
+    __ Move(kContextRegister, Smi::zero());
     __ CallRuntimeWithCEntry(Runtime::kWasmCompileLazy, a2);
 
     // Restore registers.

src/builtins/mips64/builtins-mips64.cc

@@ -1069,7 +1069,7 @@ static void Generate_InterpreterEnterBytecode(MacroAssembler* masm) {
   Label builtin_trampoline, trampoline_loaded;
   Smi interpreter_entry_return_pc_offset(
       masm->isolate()->heap()->interpreter_entry_return_pc_offset());
-  DCHECK_NE(interpreter_entry_return_pc_offset, Smi::kZero);
+  DCHECK_NE(interpreter_entry_return_pc_offset, Smi::zero());
 
   // If the SFI function_data is an InterpreterData, get the trampoline stored
   // in it, otherwise get the trampoline from the builtins list.
@@ -1300,7 +1300,7 @@ void Builtins::Generate_InterpreterOnStackReplacement(MacroAssembler* masm) {
   }
 
   // If the code object is null, just return to the caller.
-  __ Ret(eq, v0, Operand(Smi::kZero));
+  __ Ret(eq, v0, Operand(Smi::zero()));
 
   // Drop the handler frame that is be sitting on top of the actual
   // JavaScript frame. This is the case then OSR is triggered from bytecode.
@@ -1556,7 +1556,7 @@ static void EnterArgumentsAdaptorFrame(MacroAssembler* masm) {
   __ SmiTag(a0);
   __ li(a4, Operand(StackFrame::TypeToMarker(StackFrame::ARGUMENTS_ADAPTOR)));
   __ MultiPush(a0.bit() | a1.bit() | a4.bit() | fp.bit() | ra.bit());
-  __ Push(Smi::kZero);  // Padding.
+  __ Push(Smi::zero());  // Padding.
   __ Daddu(fp, sp,
            Operand(ArgumentsAdaptorFrameConstants::kFixedFrameSizeFromFp));
 }
@@ -2286,7 +2286,7 @@ void Builtins::Generate_WasmCompileLazy(MacroAssembler* masm) {
                               WasmInstanceObject::kCEntryStubOffset));
     // Initialize the JavaScript context with 0. CEntry will use it to
     // set the current context on the isolate.
-    __ Move(kContextRegister, Smi::kZero);
+    __ Move(kContextRegister, Smi::zero());
     __ CallRuntimeWithCEntry(Runtime::kWasmCompileLazy, a2);
 
     // Restore registers.

src/mips/macro-assembler-mips.cc

@@ -4097,7 +4097,7 @@ void MacroAssembler::PushStackHandler() {
   STATIC_ASSERT(StackHandlerConstants::kSize == 2 * kPointerSize);
   STATIC_ASSERT(StackHandlerConstants::kNextOffset == 0 * kPointerSize);
 
-  Push(Smi::kZero);  // Padding.
+  Push(Smi::zero());  // Padding.
 
   // Link the current handler as the next handler.
   li(t2,

src/mips64/macro-assembler-mips64.cc

@@ -4442,7 +4442,7 @@ void MacroAssembler::PushStackHandler() {
   STATIC_ASSERT(StackHandlerConstants::kSize == 2 * kPointerSize);
   STATIC_ASSERT(StackHandlerConstants::kNextOffset == 0 * kPointerSize);
 
-  Push(Smi::kZero);  // Padding.
+  Push(Smi::zero());  // Padding.
 
   // Link the current handler as the next handler.
   li(a6,