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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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| 229 void LPointerMap::PrintTo(StringStream* stream) { | 229 void LPointerMap::PrintTo(StringStream* stream) { |
| 230 stream->Add("{"); | 230 stream->Add("{"); |
| 231 for (int i = 0; i < pointer_operands_.length(); ++i) { | 231 for (int i = 0; i < pointer_operands_.length(); ++i) { |
| 232 if (i != 0) stream->Add(";"); | 232 if (i != 0) stream->Add(";"); |
| 233 pointer_operands_[i]->PrintTo(stream); | 233 pointer_operands_[i]->PrintTo(stream); |
| 234 } | 234 } |
| 235 stream->Add("}"); | 235 stream->Add("}"); |
| 236 } | 236 } |
| 237 | 237 |
| 238 | 238 |
| 239 int ElementsKindToShiftSize(ElementsKind elements_kind) { | |
| 240 switch (elements_kind) { | |
| 241 case EXTERNAL_BYTE_ELEMENTS: | |
| 242 case EXTERNAL_PIXEL_ELEMENTS: | |
| 243 case EXTERNAL_UNSIGNED_BYTE_ELEMENTS: | |
| 244 return 0; | |
| 245 case EXTERNAL_SHORT_ELEMENTS: | |
| 246 case EXTERNAL_UNSIGNED_SHORT_ELEMENTS: | |
| 247 return 1; | |
| 248 case EXTERNAL_INT_ELEMENTS: | |
| 249 case EXTERNAL_UNSIGNED_INT_ELEMENTS: | |
| 250 case EXTERNAL_FLOAT_ELEMENTS: | |
| 251 return 2; | |
| 252 case EXTERNAL_DOUBLE_ELEMENTS: | |
| 253 case FAST_DOUBLE_ELEMENTS: | |
| 254 case FAST_HOLEY_DOUBLE_ELEMENTS: | |
| 255 return 3; | |
| 256 case FAST_SMI_ELEMENTS: | |
| 257 case FAST_ELEMENTS: | |
| 258 case FAST_HOLEY_SMI_ELEMENTS: | |
| 259 case FAST_HOLEY_ELEMENTS: | |
| 260 case DICTIONARY_ELEMENTS: | |
| 261 case NON_STRICT_ARGUMENTS_ELEMENTS: | |
| 262 return kPointerSizeLog2; | |
| 263 } | |
| 264 UNREACHABLE(); | |
| 265 return 0; | |
| 266 } | |
| 267 | |
| 268 | |
| 269 int StackSlotOffset(int index) { | 239 int StackSlotOffset(int index) { |
| 270 if (index >= 0) { | 240 if (index >= 0) { |
| 271 // Local or spill slot. Skip the frame pointer, function, and | 241 // Local or spill slot. Skip the frame pointer, function, and |
| 272 // context in the fixed part of the frame. | 242 // context in the fixed part of the frame. |
| 273 return -(index + 3) * kPointerSize; | 243 return -(index + 3) * kPointerSize; |
| 274 } else { | 244 } else { |
| 275 // Incoming parameter. Skip the return address. | 245 // Incoming parameter. Skip the return address. |
| 276 return -(index + 1) * kPointerSize + kFPOnStackSize + kPCOnStackSize; | 246 return -(index + 1) * kPointerSize + kFPOnStackSize + kPCOnStackSize; |
| 277 } | 247 } |
| 278 } | 248 } |
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| 368 LConstantOperand* LChunk::DefineConstantOperand(HConstant* constant) { | 338 LConstantOperand* LChunk::DefineConstantOperand(HConstant* constant) { |
| 369 return LConstantOperand::Create(constant->id(), zone()); | 339 return LConstantOperand::Create(constant->id(), zone()); |
| 370 } | 340 } |
| 371 | 341 |
| 372 | 342 |
| 373 int LChunk::GetParameterStackSlot(int index) const { | 343 int LChunk::GetParameterStackSlot(int index) const { |
| 374 // The receiver is at index 0, the first parameter at index 1, so we | 344 // The receiver is at index 0, the first parameter at index 1, so we |
| 375 // shift all parameter indexes down by the number of parameters, and | 345 // shift all parameter indexes down by the number of parameters, and |
| 376 // make sure they end up negative so they are distinguishable from | 346 // make sure they end up negative so they are distinguishable from |
| 377 // spill slots. | 347 // spill slots. |
| 378 int result = index - info()->scope()->num_parameters() - 1; | 348 int result = index - info()->num_parameters() - 1; |
| 349 |
| 379 ASSERT(result < 0); | 350 ASSERT(result < 0); |
| 380 return result; | 351 return result; |
| 381 } | 352 } |
| 382 | 353 |
| 383 | 354 |
| 384 // A parameter relative to ebp in the arguments stub. | 355 // A parameter relative to ebp in the arguments stub. |
| 385 int LChunk::ParameterAt(int index) { | 356 int LChunk::ParameterAt(int index) { |
| 386 ASSERT(-1 <= index); // -1 is the receiver. | 357 ASSERT(-1 <= index); // -1 is the receiver. |
| 387 return (1 + info()->scope()->num_parameters() - index) * | 358 return (1 + info()->scope()->num_parameters() - index) * |
| 388 kPointerSize; | 359 kPointerSize; |
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| 503 | 474 |
| 504 | 475 |
| 505 LPhase::~LPhase() { | 476 LPhase::~LPhase() { |
| 506 if (ShouldProduceTraceOutput()) { | 477 if (ShouldProduceTraceOutput()) { |
| 507 isolate()->GetHTracer()->TraceLithium(name(), chunk_); | 478 isolate()->GetHTracer()->TraceLithium(name(), chunk_); |
| 508 } | 479 } |
| 509 } | 480 } |
| 510 | 481 |
| 511 | 482 |
| 512 } } // namespace v8::internal | 483 } } // namespace v8::internal |
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