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Issue 10837165: Lattice-based representation inference, powered by left/right specific type feedback for BinaryOps … (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: HConstants, HSimulates, stub fixes Created 8 years, 1 month ago
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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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225 for (current_instruction_ = 0; 225 for (current_instruction_ = 0;
226 !is_aborted() && current_instruction_ < instructions_->length(); 226 !is_aborted() && current_instruction_ < instructions_->length();
227 current_instruction_++) { 227 current_instruction_++) {
228 LInstruction* instr = instructions_->at(current_instruction_); 228 LInstruction* instr = instructions_->at(current_instruction_);
229 if (instr->IsLabel()) { 229 if (instr->IsLabel()) {
230 LLabel* label = LLabel::cast(instr); 230 LLabel* label = LLabel::cast(instr);
231 emit_instructions = !label->HasReplacement(); 231 emit_instructions = !label->HasReplacement();
232 } 232 }
233 233
234 if (emit_instructions) { 234 if (emit_instructions) {
235 Comment(";;; @%d: %s.", current_instruction_, instr->Mnemonic()); 235 if (FLAG_code_comments) {
236 HValue* hydrogen = instr->hydrogen_value();
237 if (hydrogen != NULL) {
238 if (hydrogen->IsChange()) {
239 HValue* changed_value = HChange::cast(hydrogen)->value();
240 int use_id = 0;
241 const char* use_mnemo = "dead";
242 if (hydrogen->UseCount() >= 1) {
243 HValue* use_value = hydrogen->uses().value();
244 use_id = use_value->id();
245 use_mnemo = use_value->Mnemonic();
246 }
247 Comment(";;; @%d: %s. <of #%d %s for #%d %s>",
248 current_instruction_, instr->Mnemonic(),
249 changed_value->id(), changed_value->Mnemonic(),
250 use_id, use_mnemo);
251 } else {
252 Comment(";;; @%d: %s. <#%d>", current_instruction_,
253 instr->Mnemonic(), hydrogen->id());
254 }
255 } else {
256 Comment(";;; @%d: %s.", current_instruction_, instr->Mnemonic());
257 }
258 }
236 instr->CompileToNative(this); 259 instr->CompileToNative(this);
237 } 260 }
238 } 261 }
239 EnsureSpaceForLazyDeopt(Deoptimizer::patch_size()); 262 EnsureSpaceForLazyDeopt(Deoptimizer::patch_size());
240 return !is_aborted(); 263 return !is_aborted();
241 } 264 }
242 265
243 266
244 bool LCodeGen::GenerateJumpTable() { 267 bool LCodeGen::GenerateJumpTable() {
245 for (int i = 0; i < jump_table_.length(); i++) { 268 for (int i = 0; i < jump_table_.length(); i++) {
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5336 FixedArray::kHeaderSize - kPointerSize)); 5359 FixedArray::kHeaderSize - kPointerSize));
5337 __ bind(&done); 5360 __ bind(&done);
5338 } 5361 }
5339 5362
5340 5363
5341 #undef __ 5364 #undef __
5342 5365
5343 } } // namespace v8::internal 5366 } } // namespace v8::internal
5344 5367
5345 #endif // V8_TARGET_ARCH_X64 5368 #endif // V8_TARGET_ARCH_X64
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