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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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236 cp, target.offset(), a0, a3, GetRAState(), kSaveFPRegs); | 236 cp, target.offset(), a0, a3, GetRAState(), kSaveFPRegs); |
237 } | 237 } |
238 } | 238 } |
239 Comment(";;; End allocate local context"); | 239 Comment(";;; End allocate local context"); |
240 } | 240 } |
241 | 241 |
242 // Trace the call. | 242 // Trace the call. |
243 if (FLAG_trace && info()->IsOptimizing()) { | 243 if (FLAG_trace && info()->IsOptimizing()) { |
244 __ CallRuntime(Runtime::kTraceEnter, 0); | 244 __ CallRuntime(Runtime::kTraceEnter, 0); |
245 } | 245 } |
246 EnsureSpaceForLazyDeopt(); | |
247 return !is_aborted(); | 246 return !is_aborted(); |
248 } | 247 } |
249 | 248 |
250 | 249 |
251 bool LCodeGen::GenerateBody() { | 250 bool LCodeGen::GenerateBody() { |
252 ASSERT(is_generating()); | 251 ASSERT(is_generating()); |
253 bool emit_instructions = true; | 252 bool emit_instructions = true; |
254 for (current_instruction_ = 0; | 253 for (current_instruction_ = 0; |
255 !is_aborted() && current_instruction_ < instructions_->length(); | 254 !is_aborted() && current_instruction_ < instructions_->length(); |
256 current_instruction_++) { | 255 current_instruction_++) { |
257 LInstruction* instr = instructions_->at(current_instruction_); | 256 LInstruction* instr = instructions_->at(current_instruction_); |
258 | 257 |
259 // Don't emit code for basic blocks with a replacement. | 258 // Don't emit code for basic blocks with a replacement. |
260 if (instr->IsLabel()) { | 259 if (instr->IsLabel()) { |
261 emit_instructions = !LLabel::cast(instr)->HasReplacement(); | 260 emit_instructions = !LLabel::cast(instr)->HasReplacement(); |
262 } | 261 } |
263 if (!emit_instructions) continue; | 262 if (!emit_instructions) continue; |
264 | 263 |
265 if (FLAG_code_comments && instr->HasInterestingComment(this)) { | 264 if (FLAG_code_comments && instr->HasInterestingComment(this)) { |
266 Comment(";;; <@%d,#%d> %s", | 265 Comment(";;; <@%d,#%d> %s", |
267 current_instruction_, | 266 current_instruction_, |
268 instr->hydrogen_value()->id(), | 267 instr->hydrogen_value()->id(), |
269 instr->Mnemonic()); | 268 instr->Mnemonic()); |
270 } | 269 } |
271 | 270 |
272 instr->CompileToNative(this); | 271 instr->CompileToNative(this); |
273 } | 272 } |
| 273 EnsureSpaceForLazyDeopt(); |
274 return !is_aborted(); | 274 return !is_aborted(); |
275 } | 275 } |
276 | 276 |
277 | 277 |
278 bool LCodeGen::GenerateDeferredCode() { | 278 bool LCodeGen::GenerateDeferredCode() { |
279 ASSERT(is_generating()); | 279 ASSERT(is_generating()); |
280 if (deferred_.length() > 0) { | 280 if (deferred_.length() > 0) { |
281 for (int i = 0; !is_aborted() && i < deferred_.length(); i++) { | 281 for (int i = 0; !is_aborted() && i < deferred_.length(); i++) { |
282 LDeferredCode* code = deferred_[i]; | 282 LDeferredCode* code = deferred_[i]; |
283 Comment(";;; <@%d,#%d> " | 283 Comment(";;; <@%d,#%d> " |
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699 RelocInfo::Mode mode, | 699 RelocInfo::Mode mode, |
700 LInstruction* instr) { | 700 LInstruction* instr) { |
701 CallCodeGeneric(code, mode, instr, RECORD_SIMPLE_SAFEPOINT); | 701 CallCodeGeneric(code, mode, instr, RECORD_SIMPLE_SAFEPOINT); |
702 } | 702 } |
703 | 703 |
704 | 704 |
705 void LCodeGen::CallCodeGeneric(Handle<Code> code, | 705 void LCodeGen::CallCodeGeneric(Handle<Code> code, |
706 RelocInfo::Mode mode, | 706 RelocInfo::Mode mode, |
707 LInstruction* instr, | 707 LInstruction* instr, |
708 SafepointMode safepoint_mode) { | 708 SafepointMode safepoint_mode) { |
| 709 EnsureSpaceForLazyDeopt(); |
709 ASSERT(instr != NULL); | 710 ASSERT(instr != NULL); |
710 LPointerMap* pointers = instr->pointer_map(); | 711 LPointerMap* pointers = instr->pointer_map(); |
711 RecordPosition(pointers->position()); | 712 RecordPosition(pointers->position()); |
712 __ Call(code, mode); | 713 __ Call(code, mode); |
713 RecordSafepointWithLazyDeopt(instr, safepoint_mode); | 714 RecordSafepointWithLazyDeopt(instr, safepoint_mode); |
714 } | 715 } |
715 | 716 |
716 | 717 |
717 void LCodeGen::CallRuntime(const Runtime::Function* function, | 718 void LCodeGen::CallRuntime(const Runtime::Function* function, |
718 int num_arguments, | 719 int num_arguments, |
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5919 __ Subu(scratch, result, scratch); | 5920 __ Subu(scratch, result, scratch); |
5920 __ lw(result, FieldMemOperand(scratch, | 5921 __ lw(result, FieldMemOperand(scratch, |
5921 FixedArray::kHeaderSize - kPointerSize)); | 5922 FixedArray::kHeaderSize - kPointerSize)); |
5922 __ bind(&done); | 5923 __ bind(&done); |
5923 } | 5924 } |
5924 | 5925 |
5925 | 5926 |
5926 #undef __ | 5927 #undef __ |
5927 | 5928 |
5928 } } // namespace v8::internal | 5929 } } // namespace v8::internal |
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