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| 1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #if V8_TARGET_ARCH_PPC | 5 #if V8_TARGET_ARCH_PPC |
| 6 | 6 |
| 7 #include "src/code-factory.h" | 7 #include "src/code-factory.h" |
| 8 #include "src/code-stubs.h" | 8 #include "src/code-stubs.h" |
| 9 #include "src/codegen.h" | 9 #include "src/codegen.h" |
| 10 #include "src/compiler.h" | |
| 11 #include "src/debug/debug.h" | 10 #include "src/debug/debug.h" |
| 12 #include "src/full-codegen/full-codegen.h" | 11 #include "src/full-codegen/full-codegen.h" |
| 13 #include "src/ic/ic.h" | 12 #include "src/ic/ic.h" |
| 14 #include "src/parser.h" | 13 #include "src/parser.h" |
| 15 #include "src/scopes.h" | 14 #include "src/scopes.h" |
| 16 | 15 |
| 17 #include "src/ppc/code-stubs-ppc.h" | 16 #include "src/ppc/code-stubs-ppc.h" |
| 18 #include "src/ppc/macro-assembler-ppc.h" | 17 #include "src/ppc/macro-assembler-ppc.h" |
| 19 | 18 |
| 20 namespace v8 { | 19 namespace v8 { |
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| 139 int prologue_offset = masm_->pc_offset(); | 138 int prologue_offset = masm_->pc_offset(); |
| 140 | 139 |
| 141 if (prologue_offset) { | 140 if (prologue_offset) { |
| 142 // Prologue logic requires it's starting address in ip and the | 141 // Prologue logic requires it's starting address in ip and the |
| 143 // corresponding offset from the function entry. | 142 // corresponding offset from the function entry. |
| 144 prologue_offset += Instruction::kInstrSize; | 143 prologue_offset += Instruction::kInstrSize; |
| 145 __ addi(ip, ip, Operand(prologue_offset)); | 144 __ addi(ip, ip, Operand(prologue_offset)); |
| 146 } | 145 } |
| 147 info->set_prologue_offset(prologue_offset); | 146 info->set_prologue_offset(prologue_offset); |
| 148 __ Prologue(info->IsCodePreAgingActive(), prologue_offset); | 147 __ Prologue(info->IsCodePreAgingActive(), prologue_offset); |
| 149 info->AddNoFrameRange(0, masm_->pc_offset()); | |
| 150 | 148 |
| 151 { | 149 { |
| 152 Comment cmnt(masm_, "[ Allocate locals"); | 150 Comment cmnt(masm_, "[ Allocate locals"); |
| 153 int locals_count = info->scope()->num_stack_slots(); | 151 int locals_count = info->scope()->num_stack_slots(); |
| 154 // Generators allocate locals, if any, in context slots. | 152 // Generators allocate locals, if any, in context slots. |
| 155 DCHECK(!IsGeneratorFunction(info->literal()->kind()) || locals_count == 0); | 153 DCHECK(!IsGeneratorFunction(info->literal()->kind()) || locals_count == 0); |
| 156 if (locals_count > 0) { | 154 if (locals_count > 0) { |
| 157 if (locals_count >= 128) { | 155 if (locals_count >= 128) { |
| 158 Label ok; | 156 Label ok; |
| 159 __ Add(ip, sp, -(locals_count * kPointerSize), r0); | 157 __ Add(ip, sp, -(locals_count * kPointerSize), r0); |
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| 460 EmitProfilingCounterReset(); | 458 EmitProfilingCounterReset(); |
| 461 __ bind(&ok); | 459 __ bind(&ok); |
| 462 | 460 |
| 463 // Make sure that the constant pool is not emitted inside of the return | 461 // Make sure that the constant pool is not emitted inside of the return |
| 464 // sequence. | 462 // sequence. |
| 465 { | 463 { |
| 466 Assembler::BlockTrampolinePoolScope block_trampoline_pool(masm_); | 464 Assembler::BlockTrampolinePoolScope block_trampoline_pool(masm_); |
| 467 int32_t arg_count = info_->scope()->num_parameters() + 1; | 465 int32_t arg_count = info_->scope()->num_parameters() + 1; |
| 468 int32_t sp_delta = arg_count * kPointerSize; | 466 int32_t sp_delta = arg_count * kPointerSize; |
| 469 SetReturnPosition(literal()); | 467 SetReturnPosition(literal()); |
| 470 int no_frame_start = __ LeaveFrame(StackFrame::JAVA_SCRIPT, sp_delta); | 468 __ LeaveFrame(StackFrame::JAVA_SCRIPT, sp_delta); |
| 471 __ blr(); | 469 __ blr(); |
| 472 info_->AddNoFrameRange(no_frame_start, masm_->pc_offset()); | |
| 473 } | 470 } |
| 474 } | 471 } |
| 475 } | 472 } |
| 476 | 473 |
| 477 | 474 |
| 478 void FullCodeGenerator::StackValueContext::Plug(Variable* var) const { | 475 void FullCodeGenerator::StackValueContext::Plug(Variable* var) const { |
| 479 DCHECK(var->IsStackAllocated() || var->IsContextSlot()); | 476 DCHECK(var->IsStackAllocated() || var->IsContextSlot()); |
| 480 codegen()->GetVar(result_register(), var); | 477 codegen()->GetVar(result_register(), var); |
| 481 __ push(result_register()); | 478 __ push(result_register()); |
| 482 } | 479 } |
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| 5217 return ON_STACK_REPLACEMENT; | 5214 return ON_STACK_REPLACEMENT; |
| 5218 } | 5215 } |
| 5219 | 5216 |
| 5220 DCHECK(interrupt_address == | 5217 DCHECK(interrupt_address == |
| 5221 isolate->builtins()->OsrAfterStackCheck()->entry()); | 5218 isolate->builtins()->OsrAfterStackCheck()->entry()); |
| 5222 return OSR_AFTER_STACK_CHECK; | 5219 return OSR_AFTER_STACK_CHECK; |
| 5223 } | 5220 } |
| 5224 } // namespace internal | 5221 } // namespace internal |
| 5225 } // namespace v8 | 5222 } // namespace v8 |
| 5226 #endif // V8_TARGET_ARCH_PPC | 5223 #endif // V8_TARGET_ARCH_PPC |
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