| // Copyright 2017 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. |
| |
| #include "src/builtins/builtins-utils-gen.h" |
| #include "src/builtins/builtins.h" |
| #include "src/code-stub-assembler.h" |
| #include "src/frame-constants.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| TF_BUILTIN(FastConsoleAssert, CodeStubAssembler) { |
| Label runtime(this); |
| Label out(this); |
| |
| // TODO(ishell): use constants from Descriptor once the JSFunction linkage |
| // arguments are reordered. |
| Node* argc = Parameter(BuiltinDescriptor::kArgumentsCount); |
| Node* context = Parameter(BuiltinDescriptor::kContext); |
| Node* new_target = Parameter(BuiltinDescriptor::kNewTarget); |
| GotoIf(Word32Equal(argc, Int32Constant(0)), &runtime); |
| |
| CodeStubArguments args(this, ChangeInt32ToIntPtr(argc)); |
| BranchIfToBooleanIsTrue(args.AtIndex(0), &out, &runtime); |
| BIND(&out); |
| args.PopAndReturn(UndefinedConstant()); |
| |
| BIND(&runtime); |
| { |
| Node* target = LoadFromFrame(StandardFrameConstants::kFunctionOffset, |
| MachineType::TaggedPointer()); |
| TailCallBuiltin(Builtins::kConsoleAssert, context, target, new_target, |
| argc); |
| } |
| } |
| |
| } // namespace internal |
| } // namespace v8 |
