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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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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215 for (current_instruction_ = 0; | 215 for (current_instruction_ = 0; |
216 !is_aborted() && current_instruction_ < instructions_->length(); | 216 !is_aborted() && current_instruction_ < instructions_->length(); |
217 current_instruction_++) { | 217 current_instruction_++) { |
218 LInstruction* instr = instructions_->at(current_instruction_); | 218 LInstruction* instr = instructions_->at(current_instruction_); |
219 if (instr->IsLabel()) { | 219 if (instr->IsLabel()) { |
220 LLabel* label = LLabel::cast(instr); | 220 LLabel* label = LLabel::cast(instr); |
221 emit_instructions = !label->HasReplacement(); | 221 emit_instructions = !label->HasReplacement(); |
222 } | 222 } |
223 | 223 |
224 if (emit_instructions) { | 224 if (emit_instructions) { |
225 Comment(";;; @%d: %s.", current_instruction_, instr->Mnemonic()); | 225 if (FLAG_code_comments) { |
| 226 HValue* hydrogen = instr->hydrogen_value(); |
| 227 if (hydrogen != NULL) { |
| 228 if (hydrogen->IsChange()) { |
| 229 HValue* changed_value = HChange::cast(hydrogen)->value(); |
| 230 int use_id = 0; |
| 231 const char* use_mnemo = "dead"; |
| 232 if (hydrogen->UseCount() >= 1) { |
| 233 HValue* use_value = hydrogen->uses().value(); |
| 234 use_id = use_value->id(); |
| 235 use_mnemo = use_value->Mnemonic(); |
| 236 } |
| 237 Comment(";;; @%d: %s. <of #%d %s for #%d %s>", |
| 238 current_instruction_, instr->Mnemonic(), |
| 239 changed_value->id(), changed_value->Mnemonic(), |
| 240 use_id, use_mnemo); |
| 241 } else { |
| 242 Comment(";;; @%d: %s. <#%d>", current_instruction_, |
| 243 instr->Mnemonic(), hydrogen->id()); |
| 244 } |
| 245 } else { |
| 246 Comment(";;; @%d: %s.", current_instruction_, instr->Mnemonic()); |
| 247 } |
| 248 } |
226 instr->CompileToNative(this); | 249 instr->CompileToNative(this); |
227 } | 250 } |
228 } | 251 } |
229 EnsureSpaceForLazyDeopt(); | 252 EnsureSpaceForLazyDeopt(); |
230 return !is_aborted(); | 253 return !is_aborted(); |
231 } | 254 } |
232 | 255 |
233 | 256 |
234 bool LCodeGen::GenerateDeferredCode() { | 257 bool LCodeGen::GenerateDeferredCode() { |
235 ASSERT(is_generating()); | 258 ASSERT(is_generating()); |
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5698 __ sub(scratch, result, Operand(index, LSL, kPointerSizeLog2 - kSmiTagSize)); | 5721 __ sub(scratch, result, Operand(index, LSL, kPointerSizeLog2 - kSmiTagSize)); |
5699 __ ldr(result, FieldMemOperand(scratch, | 5722 __ ldr(result, FieldMemOperand(scratch, |
5700 FixedArray::kHeaderSize - kPointerSize)); | 5723 FixedArray::kHeaderSize - kPointerSize)); |
5701 __ bind(&done); | 5724 __ bind(&done); |
5702 } | 5725 } |
5703 | 5726 |
5704 | 5727 |
5705 #undef __ | 5728 #undef __ |
5706 | 5729 |
5707 } } // namespace v8::internal | 5730 } } // namespace v8::internal |
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