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Issue 72753002: [Sheriff] Revert "Add support for keyed-call on arrays of fast elements" (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 1 month ago
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1 // Copyright 2013 the V8 project authors. All rights reserved. 1 // Copyright 2013 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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1458 // object to the callee and optionally the space to pass the argument 1458 // object to the callee and optionally the space to pass the argument
1459 // object to the stub failure handler. 1459 // object to the stub failure handler.
1460 ASSERT(descriptor->register_param_count_ >= 0); 1460 ASSERT(descriptor->register_param_count_ >= 0);
1461 int height_in_bytes = kPointerSize * descriptor->register_param_count_ + 1461 int height_in_bytes = kPointerSize * descriptor->register_param_count_ +
1462 sizeof(Arguments) + kPointerSize; 1462 sizeof(Arguments) + kPointerSize;
1463 int fixed_frame_size = StandardFrameConstants::kFixedFrameSize; 1463 int fixed_frame_size = StandardFrameConstants::kFixedFrameSize;
1464 int input_frame_size = input_->GetFrameSize(); 1464 int input_frame_size = input_->GetFrameSize();
1465 int output_frame_size = height_in_bytes + fixed_frame_size; 1465 int output_frame_size = height_in_bytes + fixed_frame_size;
1466 if (trace_scope_ != NULL) { 1466 if (trace_scope_ != NULL) {
1467 PrintF(trace_scope_->file(), 1467 PrintF(trace_scope_->file(),
1468 " translating %s => StubFailure%sTrampolineStub, height=%d\n", 1468 " translating %s => StubFailureTrampolineStub, height=%d\n",
1469 CodeStub::MajorName(static_cast<CodeStub::Major>(major_key), false), 1469 CodeStub::MajorName(static_cast<CodeStub::Major>(major_key), false),
1470 descriptor->HasTailCallContinuation() ? "TailCall" : "",
1471 height_in_bytes); 1470 height_in_bytes);
1472 } 1471 }
1473 1472
1474 // The stub failure trampoline is a single frame. 1473 // The stub failure trampoline is a single frame.
1475 FrameDescription* output_frame = 1474 FrameDescription* output_frame =
1476 new(output_frame_size) FrameDescription(output_frame_size, NULL); 1475 new(output_frame_size) FrameDescription(output_frame_size, NULL);
1477 output_frame->SetFrameType(StackFrame::STUB_FAILURE_TRAMPOLINE); 1476 output_frame->SetFrameType(StackFrame::STUB_FAILURE_TRAMPOLINE);
1478 ASSERT(frame_index == 0); 1477 ASSERT(frame_index == 0);
1479 output_[frame_index] = output_frame; 1478 output_[frame_index] = output_frame;
1480 1479
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1532 value = reinterpret_cast<intptr_t>( 1531 value = reinterpret_cast<intptr_t>(
1533 Smi::FromInt(StackFrame::STUB_FAILURE_TRAMPOLINE)); 1532 Smi::FromInt(StackFrame::STUB_FAILURE_TRAMPOLINE));
1534 output_frame->SetFrameSlot(output_frame_offset, value); 1533 output_frame->SetFrameSlot(output_frame_offset, value);
1535 if (trace_scope_ != NULL) { 1534 if (trace_scope_ != NULL) {
1536 PrintF(trace_scope_->file(), 1535 PrintF(trace_scope_->file(),
1537 " 0x%08" V8PRIxPTR ": [top + %d] <- 0x%08" 1536 " 0x%08" V8PRIxPTR ": [top + %d] <- 0x%08"
1538 V8PRIxPTR " ; function (stub failure sentinel)\n", 1537 V8PRIxPTR " ; function (stub failure sentinel)\n",
1539 top_address + output_frame_offset, output_frame_offset, value); 1538 top_address + output_frame_offset, output_frame_offset, value);
1540 } 1539 }
1541 1540
1542 intptr_t caller_arg_count = descriptor->HasTailCallContinuation() 1541 intptr_t caller_arg_count = 0;
1543 ? compiled_code_->arguments_count() + 1 : 0;
1544 bool arg_count_known = !descriptor->stack_parameter_count_.is_valid(); 1542 bool arg_count_known = !descriptor->stack_parameter_count_.is_valid();
1545 1543
1546 // Build the Arguments object for the caller's parameters and a pointer to it. 1544 // Build the Arguments object for the caller's parameters and a pointer to it.
1547 output_frame_offset -= kPointerSize; 1545 output_frame_offset -= kPointerSize;
1548 int args_arguments_offset = output_frame_offset; 1546 int args_arguments_offset = output_frame_offset;
1549 intptr_t the_hole = reinterpret_cast<intptr_t>( 1547 intptr_t the_hole = reinterpret_cast<intptr_t>(
1550 isolate_->heap()->the_hole_value()); 1548 isolate_->heap()->the_hole_value());
1551 if (arg_count_known) { 1549 if (arg_count_known) {
1552 value = frame_ptr + StandardFrameConstants::kCallerSPOffset + 1550 value = frame_ptr + StandardFrameConstants::kCallerSPOffset +
1553 (caller_arg_count - 1) * kPointerSize; 1551 (caller_arg_count - 1) * kPointerSize;
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1629 } 1627 }
1630 1628
1631 // Copy the double registers from the input into the output frame. 1629 // Copy the double registers from the input into the output frame.
1632 CopyDoubleRegisters(output_frame); 1630 CopyDoubleRegisters(output_frame);
1633 1631
1634 // Fill registers containing handler and number of parameters. 1632 // Fill registers containing handler and number of parameters.
1635 SetPlatformCompiledStubRegisters(output_frame, descriptor); 1633 SetPlatformCompiledStubRegisters(output_frame, descriptor);
1636 1634
1637 // Compute this frame's PC, state, and continuation. 1635 // Compute this frame's PC, state, and continuation.
1638 Code* trampoline = NULL; 1636 Code* trampoline = NULL;
1639 if (descriptor->HasTailCallContinuation()) { 1637 StubFunctionMode function_mode = descriptor->function_mode_;
1640 StubFailureTailCallTrampolineStub().FindCodeInCache(&trampoline, isolate_); 1638 StubFailureTrampolineStub(function_mode).FindCodeInCache(&trampoline,
1641 } else { 1639 isolate_);
1642 StubFunctionMode function_mode = descriptor->function_mode_;
1643 StubFailureTrampolineStub(function_mode).FindCodeInCache(&trampoline,
1644 isolate_);
1645 }
1646 ASSERT(trampoline != NULL); 1640 ASSERT(trampoline != NULL);
1647 output_frame->SetPc(reinterpret_cast<intptr_t>( 1641 output_frame->SetPc(reinterpret_cast<intptr_t>(
1648 trampoline->instruction_start())); 1642 trampoline->instruction_start()));
1649 output_frame->SetState(Smi::FromInt(FullCodeGenerator::NO_REGISTERS)); 1643 output_frame->SetState(Smi::FromInt(FullCodeGenerator::NO_REGISTERS));
1650 Code* notify_failure = 1644 Code* notify_failure =
1651 isolate_->builtins()->builtin(Builtins::kNotifyStubFailure); 1645 isolate_->builtins()->builtin(Builtins::kNotifyStubFailure);
1652 output_frame->SetContinuation( 1646 output_frame->SetContinuation(
1653 reinterpret_cast<intptr_t>(notify_failure->entry())); 1647 reinterpret_cast<intptr_t>(notify_failure->entry()));
1654 } 1648 }
1655 1649
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3052 3046
3053 void DeoptimizedFrameInfo::Iterate(ObjectVisitor* v) { 3047 void DeoptimizedFrameInfo::Iterate(ObjectVisitor* v) {
3054 v->VisitPointer(BitCast<Object**>(&function_)); 3048 v->VisitPointer(BitCast<Object**>(&function_));
3055 v->VisitPointers(parameters_, parameters_ + parameters_count_); 3049 v->VisitPointers(parameters_, parameters_ + parameters_count_);
3056 v->VisitPointers(expression_stack_, expression_stack_ + expression_count_); 3050 v->VisitPointers(expression_stack_, expression_stack_ + expression_count_);
3057 } 3051 }
3058 3052
3059 #endif // ENABLE_DEBUGGER_SUPPORT 3053 #endif // ENABLE_DEBUGGER_SUPPORT
3060 3054
3061 } } // namespace v8::internal 3055 } } // namespace v8::internal
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