Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(3)

Side by Side Diff: src/mips/full-codegen-mips.cc

Issue 7170006: MIPS: port First steps towards better code generation for LBranch. (Closed)
Patch Set: Created 9 years, 6 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
« no previous file with comments | « no previous file | no next file » | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 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
(...skipping 368 matching lines...) Expand 10 before | Expand all | Expand 10 after
379 void FullCodeGenerator::StackValueContext::Plug(Slot* slot) const { 379 void FullCodeGenerator::StackValueContext::Plug(Slot* slot) const {
380 codegen()->Move(result_register(), slot); 380 codegen()->Move(result_register(), slot);
381 __ push(result_register()); 381 __ push(result_register());
382 } 382 }
383 383
384 384
385 void FullCodeGenerator::TestContext::Plug(Slot* slot) const { 385 void FullCodeGenerator::TestContext::Plug(Slot* slot) const {
386 // For simplicity we always test the accumulator register. 386 // For simplicity we always test the accumulator register.
387 codegen()->Move(result_register(), slot); 387 codegen()->Move(result_register(), slot);
388 codegen()->PrepareForBailoutBeforeSplit(TOS_REG, false, NULL, NULL); 388 codegen()->PrepareForBailoutBeforeSplit(TOS_REG, false, NULL, NULL);
389 codegen()->DoTest(true_label_, false_label_, fall_through_); 389 codegen()->DoTest(this);
390 } 390 }
391 391
392 392
393 void FullCodeGenerator::EffectContext::Plug(Heap::RootListIndex index) const { 393 void FullCodeGenerator::EffectContext::Plug(Heap::RootListIndex index) const {
394 } 394 }
395 395
396 396
397 void FullCodeGenerator::AccumulatorValueContext::Plug( 397 void FullCodeGenerator::AccumulatorValueContext::Plug(
398 Heap::RootListIndex index) const { 398 Heap::RootListIndex index) const {
399 __ LoadRoot(result_register(), index); 399 __ LoadRoot(result_register(), index);
(...skipping 13 matching lines...) Expand all
413 true_label_, 413 true_label_,
414 false_label_); 414 false_label_);
415 if (index == Heap::kUndefinedValueRootIndex || 415 if (index == Heap::kUndefinedValueRootIndex ||
416 index == Heap::kNullValueRootIndex || 416 index == Heap::kNullValueRootIndex ||
417 index == Heap::kFalseValueRootIndex) { 417 index == Heap::kFalseValueRootIndex) {
418 if (false_label_ != fall_through_) __ Branch(false_label_); 418 if (false_label_ != fall_through_) __ Branch(false_label_);
419 } else if (index == Heap::kTrueValueRootIndex) { 419 } else if (index == Heap::kTrueValueRootIndex) {
420 if (true_label_ != fall_through_) __ Branch(true_label_); 420 if (true_label_ != fall_through_) __ Branch(true_label_);
421 } else { 421 } else {
422 __ LoadRoot(result_register(), index); 422 __ LoadRoot(result_register(), index);
423 codegen()->DoTest(true_label_, false_label_, fall_through_); 423 codegen()->DoTest(this);
424 } 424 }
425 } 425 }
426 426
427 427
428 void FullCodeGenerator::EffectContext::Plug(Handle<Object> lit) const { 428 void FullCodeGenerator::EffectContext::Plug(Handle<Object> lit) const {
429 } 429 }
430 430
431 431
432 void FullCodeGenerator::AccumulatorValueContext::Plug( 432 void FullCodeGenerator::AccumulatorValueContext::Plug(
433 Handle<Object> lit) const { 433 Handle<Object> lit) const {
(...skipping 26 matching lines...) Expand all
460 } 460 }
461 } else if (lit->IsSmi()) { 461 } else if (lit->IsSmi()) {
462 if (Smi::cast(*lit)->value() == 0) { 462 if (Smi::cast(*lit)->value() == 0) {
463 if (false_label_ != fall_through_) __ Branch(false_label_); 463 if (false_label_ != fall_through_) __ Branch(false_label_);
464 } else { 464 } else {
465 if (true_label_ != fall_through_) __ Branch(true_label_); 465 if (true_label_ != fall_through_) __ Branch(true_label_);
466 } 466 }
467 } else { 467 } else {
468 // For simplicity we always test the accumulator register. 468 // For simplicity we always test the accumulator register.
469 __ li(result_register(), Operand(lit)); 469 __ li(result_register(), Operand(lit));
470 codegen()->DoTest(true_label_, false_label_, fall_through_); 470 codegen()->DoTest(this);
471 } 471 }
472 } 472 }
473 473
474 474
475 void FullCodeGenerator::EffectContext::DropAndPlug(int count, 475 void FullCodeGenerator::EffectContext::DropAndPlug(int count,
476 Register reg) const { 476 Register reg) const {
477 ASSERT(count > 0); 477 ASSERT(count > 0);
478 __ Drop(count); 478 __ Drop(count);
479 } 479 }
480 480
(...skipping 15 matching lines...) Expand all
496 } 496 }
497 497
498 498
499 void FullCodeGenerator::TestContext::DropAndPlug(int count, 499 void FullCodeGenerator::TestContext::DropAndPlug(int count,
500 Register reg) const { 500 Register reg) const {
501 ASSERT(count > 0); 501 ASSERT(count > 0);
502 // For simplicity we always test the accumulator register. 502 // For simplicity we always test the accumulator register.
503 __ Drop(count); 503 __ Drop(count);
504 __ Move(result_register(), reg); 504 __ Move(result_register(), reg);
505 codegen()->PrepareForBailoutBeforeSplit(TOS_REG, false, NULL, NULL); 505 codegen()->PrepareForBailoutBeforeSplit(TOS_REG, false, NULL, NULL);
506 codegen()->DoTest(true_label_, false_label_, fall_through_); 506 codegen()->DoTest(this);
507 } 507 }
508 508
509 509
510 void FullCodeGenerator::EffectContext::Plug(Label* materialize_true, 510 void FullCodeGenerator::EffectContext::Plug(Label* materialize_true,
511 Label* materialize_false) const { 511 Label* materialize_false) const {
512 ASSERT(materialize_true == materialize_false); 512 ASSERT(materialize_true == materialize_false);
513 __ bind(materialize_true); 513 __ bind(materialize_true);
514 } 514 }
515 515
516 516
(...skipping 57 matching lines...) Expand 10 before | Expand all | Expand 10 after
574 true_label_, 574 true_label_,
575 false_label_); 575 false_label_);
576 if (flag) { 576 if (flag) {
577 if (true_label_ != fall_through_) __ Branch(true_label_); 577 if (true_label_ != fall_through_) __ Branch(true_label_);
578 } else { 578 } else {
579 if (false_label_ != fall_through_) __ Branch(false_label_); 579 if (false_label_ != fall_through_) __ Branch(false_label_);
580 } 580 }
581 } 581 }
582 582
583 583
584 void FullCodeGenerator::DoTest(Label* if_true, 584 void FullCodeGenerator::DoTest(Expression* condition,
585 Label* if_true,
585 Label* if_false, 586 Label* if_false,
586 Label* fall_through) { 587 Label* fall_through) {
587 if (CpuFeatures::IsSupported(FPU)) { 588 if (CpuFeatures::IsSupported(FPU)) {
588 ToBooleanStub stub(result_register()); 589 ToBooleanStub stub(result_register());
589 __ CallStub(&stub); 590 __ CallStub(&stub);
590 __ mov(at, zero_reg); 591 __ mov(at, zero_reg);
591 } else { 592 } else {
592 // Call the runtime to find the boolean value of the source and then 593 // Call the runtime to find the boolean value of the source and then
593 // translate it into control flow to the pair of labels. 594 // translate it into control flow to the pair of labels.
594 __ push(result_register()); 595 __ push(result_register());
(...skipping 3782 matching lines...) Expand 10 before | Expand all | Expand 10 after
4377 __ Addu(at, a1, Operand(masm_->CodeObject())); 4378 __ Addu(at, a1, Operand(masm_->CodeObject()));
4378 __ Jump(at); 4379 __ Jump(at);
4379 } 4380 }
4380 4381
4381 4382
4382 #undef __ 4383 #undef __
4383 4384
4384 } } // namespace v8::internal 4385 } } // namespace v8::internal
4385 4386
4386 #endif // V8_TARGET_ARCH_MIPS 4387 #endif // V8_TARGET_ARCH_MIPS
OLDNEW
« no previous file with comments | « no previous file | no next file » | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698