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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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223 for (current_instruction_ = 0; | 223 for (current_instruction_ = 0; |
224 !is_aborted() && current_instruction_ < instructions_->length(); | 224 !is_aborted() && current_instruction_ < instructions_->length(); |
225 current_instruction_++) { | 225 current_instruction_++) { |
226 LInstruction* instr = instructions_->at(current_instruction_); | 226 LInstruction* instr = instructions_->at(current_instruction_); |
227 if (instr->IsLabel()) { | 227 if (instr->IsLabel()) { |
228 LLabel* label = LLabel::cast(instr); | 228 LLabel* label = LLabel::cast(instr); |
229 emit_instructions = !label->HasReplacement(); | 229 emit_instructions = !label->HasReplacement(); |
230 } | 230 } |
231 | 231 |
232 if (emit_instructions) { | 232 if (emit_instructions) { |
233 Comment(";;; @%d: %s.", current_instruction_, instr->Mnemonic()); | 233 if (FLAG_code_comments) { |
| 234 HValue* hydrogen = instr->hydrogen_value(); |
| 235 if (hydrogen != NULL) { |
| 236 if (hydrogen->IsChange()) { |
| 237 HValue* changed_value = HChange::cast(hydrogen)->value(); |
| 238 int use_id = 0; |
| 239 const char* use_mnemo = "dead"; |
| 240 if (hydrogen->UseCount() >= 1) { |
| 241 HValue* use_value = hydrogen->uses().value(); |
| 242 use_id = use_value->id(); |
| 243 use_mnemo = use_value->Mnemonic(); |
| 244 } |
| 245 Comment(";;; @%d: %s. <of #%d %s for #%d %s>", |
| 246 current_instruction_, instr->Mnemonic(), |
| 247 changed_value->id(), changed_value->Mnemonic(), |
| 248 use_id, use_mnemo); |
| 249 } else { |
| 250 Comment(";;; @%d: %s. <#%d>", current_instruction_, |
| 251 instr->Mnemonic(), hydrogen->id()); |
| 252 } |
| 253 } else { |
| 254 Comment(";;; @%d: %s.", current_instruction_, instr->Mnemonic()); |
| 255 } |
| 256 } |
234 instr->CompileToNative(this); | 257 instr->CompileToNative(this); |
235 } | 258 } |
236 } | 259 } |
237 EnsureSpaceForLazyDeopt(); | 260 EnsureSpaceForLazyDeopt(); |
238 return !is_aborted(); | 261 return !is_aborted(); |
239 } | 262 } |
240 | 263 |
241 | 264 |
242 bool LCodeGen::GenerateDeferredCode() { | 265 bool LCodeGen::GenerateDeferredCode() { |
243 ASSERT(is_generating()); | 266 ASSERT(is_generating()); |
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5715 __ sub(scratch, result, Operand(index, LSL, kPointerSizeLog2 - kSmiTagSize)); | 5738 __ sub(scratch, result, Operand(index, LSL, kPointerSizeLog2 - kSmiTagSize)); |
5716 __ ldr(result, FieldMemOperand(scratch, | 5739 __ ldr(result, FieldMemOperand(scratch, |
5717 FixedArray::kHeaderSize - kPointerSize)); | 5740 FixedArray::kHeaderSize - kPointerSize)); |
5718 __ bind(&done); | 5741 __ bind(&done); |
5719 } | 5742 } |
5720 | 5743 |
5721 | 5744 |
5722 #undef __ | 5745 #undef __ |
5723 | 5746 |
5724 } } // namespace v8::internal | 5747 } } // namespace v8::internal |
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