[turbofan] Introduce new JSCallWithArrayLike operator.

src/builtins/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 1909 matching lines @@
     __ sw(a2, MemOperand(sp));
     __ mov(a2, a3);
   }
 
   // ----------- S t a t e -------------
   //  -- a2    : argArray
   //  -- a1    : receiver
   //  -- sp[0] : thisArg
   // -----------------------------------
 
-  // 2. Make sure the receiver is actually callable.
-  Label receiver_not_callable;
-  __ JumpIfSmi(a1, &receiver_not_callable);
-  __ lw(t0, FieldMemOperand(a1, HeapObject::kMapOffset));
-  __ lbu(t0, FieldMemOperand(t0, Map::kBitFieldOffset));
-  __ And(t0, t0, Operand(1 << Map::kIsCallable));
-  __ Branch(&receiver_not_callable, eq, t0, Operand(zero_reg));
+  // 2. We don't need to check explicitly for callable receiver here,
+  // since that's the first thing the Call/CallWithArrayLike builtins
+  // will do.
 
   // 3. Tail call with no arguments if argArray is null or undefined.
   Label no_arguments;
   __ JumpIfRoot(a2, Heap::kNullValueRootIndex, &no_arguments);
   __ JumpIfRoot(a2, Heap::kUndefinedValueRootIndex, &no_arguments);
 
   // 4a. Apply the receiver to the given argArray.
   __ Jump(masm->isolate()->builtins()->CallWithArrayLike(),
           RelocInfo::CODE_TARGET);
 
   // 4b. The argArray is either null or undefined, so we tail call without any
   // arguments to the receiver.
   __ bind(&no_arguments);
   {
     __ mov(a0, zero_reg);
     __ Jump(masm->isolate()->builtins()->Call(), RelocInfo::CODE_TARGET);
   }
-
-  // 4c. The receiver is not callable, throw an appropriate TypeError.
-  __ bind(&receiver_not_callable);
-  {
-    __ sw(a1, MemOperand(sp));
-    __ TailCallRuntime(Runtime::kThrowApplyNonFunction);
-  }
 }
 
 // static
 void Builtins::Generate_FunctionPrototypeCall(MacroAssembler* masm) {
   // 1. Make sure we have at least one argument.
   // a0: actual number of arguments
   {
     Label done;
     __ Branch(&done, ne, a0, Operand(zero_reg));
     __ PushRoot(Heap::kUndefinedValueRootIndex);
@@ skipping 66 matching lines @@
     __ sw(a2, MemOperand(sp));
     __ mov(a2, a3);
   }
 
   // ----------- S t a t e -------------
   //  -- a2    : argumentsList
   //  -- a1    : target
   //  -- sp[0] : thisArgument
   // -----------------------------------
 
-  // 2. Make sure the target is actually callable.
-  Label target_not_callable;
-  __ JumpIfSmi(a1, &target_not_callable);
-  __ lw(t0, FieldMemOperand(a1, HeapObject::kMapOffset));
-  __ lbu(t0, FieldMemOperand(t0, Map::kBitFieldOffset));
-  __ And(t0, t0, Operand(1 << Map::kIsCallable));
-  __ Branch(&target_not_callable, eq, t0, Operand(zero_reg));
+  // 2. We don't need to check explicitly for callable target here,
+  // since that's the first thing the Call/CallWithArrayLike builtins
+  // will do.
 
-  // 3a. Apply the target to the given argumentsList.
+  // 3. Apply the target to the given argumentsList.
   __ Jump(masm->isolate()->builtins()->CallWithArrayLike(),
           RelocInfo::CODE_TARGET);
-
-  // 3b. The target is not callable, throw an appropriate TypeError.
-  __ bind(&target_not_callable);
-  {
-    __ sw(a1, MemOperand(sp));
-    __ TailCallRuntime(Runtime::kThrowApplyNonFunction);
-  }
 }
 
 void Builtins::Generate_ReflectConstruct(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- a0     : argc
   //  -- sp[0]  : new.target (optional)
   //  -- sp[4]  : argumentsList
   //  -- sp[8]  : target
   //  -- sp[12] : receiver
   // -----------------------------------
@@ skipping 925 matching lines @@
   // Now jump to the instructions of the returned code object.
   __ Jump(at, v0, Code::kHeaderSize - kHeapObjectTag);
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS