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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 #include "src/compiler/code-generator.h" | 5 #include "src/compiler/code-generator.h" |
| 6 | 6 |
| 7 #include "src/arm/macro-assembler-arm.h" | 7 #include "src/arm/macro-assembler-arm.h" |
| 8 #include "src/ast/scopes.h" | 8 #include "src/ast/scopes.h" |
| 9 #include "src/compiler/code-generator-impl.h" | 9 #include "src/compiler/code-generator-impl.h" |
| 10 #include "src/compiler/gap-resolver.h" | 10 #include "src/compiler/gap-resolver.h" |
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| 1152 | 1152 |
| 1153 void CodeGenerator::AssembleDeoptimizerCall( | 1153 void CodeGenerator::AssembleDeoptimizerCall( |
| 1154 int deoptimization_id, Deoptimizer::BailoutType bailout_type) { | 1154 int deoptimization_id, Deoptimizer::BailoutType bailout_type) { |
| 1155 Address deopt_entry = Deoptimizer::GetDeoptimizationEntry( | 1155 Address deopt_entry = Deoptimizer::GetDeoptimizationEntry( |
| 1156 isolate(), deoptimization_id, bailout_type); | 1156 isolate(), deoptimization_id, bailout_type); |
| 1157 __ Call(deopt_entry, RelocInfo::RUNTIME_ENTRY); | 1157 __ Call(deopt_entry, RelocInfo::RUNTIME_ENTRY); |
| 1158 } | 1158 } |
| 1159 | 1159 |
| 1160 | 1160 |
| 1161 void CodeGenerator::AssemblePrologue() { | 1161 void CodeGenerator::AssemblePrologue() { |
| 1162 CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); | 1162 const CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); |
| 1163 if (descriptor->IsCFunctionCall()) { | 1163 if (descriptor->IsCFunctionCall()) { |
| 1164 if (FLAG_enable_embedded_constant_pool) { | 1164 if (FLAG_enable_embedded_constant_pool) { |
| 1165 __ Push(lr, fp, pp); | 1165 __ Push(lr, fp, pp); |
| 1166 // Adjust FP to point to saved FP. | 1166 // Adjust FP to point to saved FP. |
| 1167 __ sub(fp, sp, Operand(StandardFrameConstants::kConstantPoolOffset)); | 1167 __ sub(fp, sp, Operand(StandardFrameConstants::kConstantPoolOffset)); |
| 1168 } else { | 1168 } else { |
| 1169 __ Push(lr, fp); | 1169 __ Push(lr, fp); |
| 1170 __ mov(fp, sp); | 1170 __ mov(fp, sp); |
| 1171 } | 1171 } |
| 1172 } else if (descriptor->IsJSFunctionCall()) { | 1172 } else if (descriptor->IsJSFunctionCall()) { |
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| 1217 if (saves != 0) { | 1217 if (saves != 0) { |
| 1218 // Save callee-saved registers. | 1218 // Save callee-saved registers. |
| 1219 __ stm(db_w, sp, saves); | 1219 __ stm(db_w, sp, saves); |
| 1220 frame()->AllocateSavedCalleeRegisterSlots( | 1220 frame()->AllocateSavedCalleeRegisterSlots( |
| 1221 base::bits::CountPopulation32(saves)); | 1221 base::bits::CountPopulation32(saves)); |
| 1222 } | 1222 } |
| 1223 } | 1223 } |
| 1224 | 1224 |
| 1225 | 1225 |
| 1226 void CodeGenerator::AssembleReturn() { | 1226 void CodeGenerator::AssembleReturn() { |
| 1227 CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); | 1227 const CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); |
| 1228 int pop_count = static_cast<int>(descriptor->StackParameterCount()); | 1228 int pop_count = static_cast<int>(descriptor->StackParameterCount()); |
| 1229 | 1229 |
| 1230 // Restore registers. | 1230 // Restore registers. |
| 1231 const RegList saves = FLAG_enable_embedded_constant_pool | 1231 const RegList saves = FLAG_enable_embedded_constant_pool |
| 1232 ? (descriptor->CalleeSavedRegisters() & ~pp.bit()) | 1232 ? (descriptor->CalleeSavedRegisters() & ~pp.bit()) |
| 1233 : descriptor->CalleeSavedRegisters(); | 1233 : descriptor->CalleeSavedRegisters(); |
| 1234 if (saves != 0) { | 1234 if (saves != 0) { |
| 1235 __ ldm(ia_w, sp, saves); | 1235 __ ldm(ia_w, sp, saves); |
| 1236 } | 1236 } |
| 1237 | 1237 |
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| 1466 padding_size -= v8::internal::Assembler::kInstrSize; | 1466 padding_size -= v8::internal::Assembler::kInstrSize; |
| 1467 } | 1467 } |
| 1468 } | 1468 } |
| 1469 } | 1469 } |
| 1470 | 1470 |
| 1471 #undef __ | 1471 #undef __ |
| 1472 | 1472 |
| 1473 } // namespace compiler | 1473 } // namespace compiler |
| 1474 } // namespace internal | 1474 } // namespace internal |
| 1475 } // namespace v8 | 1475 } // namespace v8 |
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