MIPS: Fix [runtime] [proxy] implement [[Construct]].

src/mips/builtins-mips.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_MIPS
 
 #include "src/codegen.h"
 #include "src/debug/debug.h"
 #include "src/deoptimizer.h"
 #include "src/full-codegen/full-codegen.h"
@@ skipping 1744 matching lines @@
 // static
 void Builtins::Generate_ConstructProxy(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- a0 : the number of arguments (not including the receiver)
   //  -- a1 : the constructor to call (checked to be a JSProxy)
   //  -- a3 : the new target (either the same as the constructor or
   //          the JSFunction on which new was invoked initially)
   // -----------------------------------
 
   // Call into the Runtime for Proxy [[Construct]].
-  __ Push(a1);
-  __ Push(a3);
+  __ Push(a1, a3);
   // Include the pushed new_target, constructor and the receiver.
   __ Addu(a0, a0, Operand(3));
   // Tail-call to the runtime.
   __ JumpToExternalReference(
       ExternalReference(Runtime::kJSProxyConstruct, masm->isolate()));
 }
 
 
 // static
 void Builtins::Generate_Construct(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- a0 : the number of arguments (not including the receiver)
   //  -- a1 : the constructor to call (can be any Object)
   //  -- a3 : the new target (either the same as the constructor or
   //          the JSFunction on which new was invoked initially)
   // -----------------------------------
 
   // Check if target is a Smi.
   Label non_constructor;
   __ JumpIfSmi(a1, &non_constructor);
 
   // Dispatch based on instance type.
   __ lw(t1, FieldMemOperand(a1, HeapObject::kMapOffset));
   __ lbu(t2, FieldMemOperand(t1, Map::kInstanceTypeOffset));
   __ Jump(masm->isolate()->builtins()->ConstructFunction(),
           RelocInfo::CODE_TARGET, eq, t2, Operand(JS_FUNCTION_TYPE));
 
   // Check if target has a [[Construct]] internal method.
-  __ lbu(t2, FieldMemOperand(t1, Map::kBitFieldOffset));
-  __ And(t2, t2, Operand(1 << Map::kIsCallable));
-  __ Branch(&non_constructor, eq, t2, Operand(zero_reg));
+  __ lbu(t3, FieldMemOperand(t1, Map::kBitFieldOffset));
+  __ And(t3, t3, Operand(1 << Map::kIsCallable));
+  __ Branch(&non_constructor, eq, t3, Operand(zero_reg));
 
   // Only dispatch to proxies after checking whether they are constructors.
   __ Jump(masm->isolate()->builtins()->ConstructProxy(), RelocInfo::CODE_TARGET,
           eq, t2, Operand(JS_PROXY_TYPE));
 
   // Called Construct on an exotic Object with a [[Construct]] internal method.
   {
     // Overwrite the original receiver with the (original) target.
     __ sll(at, a0, kPointerSizeLog2);
     __ addu(at, sp, at);
@@ skipping 166 matching lines @@
   }
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS