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

Issue 6274009: ARM: Merging constants in simulator and assembler header files and other clea... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 9 years, 11 months ago
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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
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510 // Call the runtime to find the boolean value of the source and then 510 // Call the runtime to find the boolean value of the source and then
511 // translate it into control flow to the pair of labels. 511 // translate it into control flow to the pair of labels.
512 __ push(result_register()); 512 __ push(result_register());
513 __ CallRuntime(Runtime::kToBool, 1); 513 __ CallRuntime(Runtime::kToBool, 1);
514 __ LoadRoot(ip, Heap::kTrueValueRootIndex); 514 __ LoadRoot(ip, Heap::kTrueValueRootIndex);
515 __ cmp(r0, ip); 515 __ cmp(r0, ip);
516 Split(eq, if_true, if_false, fall_through); 516 Split(eq, if_true, if_false, fall_through);
517 } 517 }
518 518
519 519
520 void FullCodeGenerator::Split(Condition cc, 520 void FullCodeGenerator::Split(Condition cond,
521 Label* if_true, 521 Label* if_true,
522 Label* if_false, 522 Label* if_false,
523 Label* fall_through) { 523 Label* fall_through) {
524 if (if_false == fall_through) { 524 if (if_false == fall_through) {
525 __ b(cc, if_true); 525 __ b(cond, if_true);
526 } else if (if_true == fall_through) { 526 } else if (if_true == fall_through) {
527 __ b(NegateCondition(cc), if_false); 527 __ b(NegateCondition(cond), if_false);
528 } else { 528 } else {
529 __ b(cc, if_true); 529 __ b(cond, if_true);
530 __ b(if_false); 530 __ b(if_false);
531 } 531 }
532 } 532 }
533 533
534 534
535 MemOperand FullCodeGenerator::EmitSlotSearch(Slot* slot, Register scratch) { 535 MemOperand FullCodeGenerator::EmitSlotSearch(Slot* slot, Register scratch) {
536 switch (slot->type()) { 536 switch (slot->type()) {
537 case Slot::PARAMETER: 537 case Slot::PARAMETER:
538 case Slot::LOCAL: 538 case Slot::LOCAL:
539 return MemOperand(fp, SlotOffset(slot)); 539 return MemOperand(fp, SlotOffset(slot));
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3454 __ CallStub(&stub); 3454 __ CallStub(&stub);
3455 PrepareForBailoutBeforeSplit(TOS_REG, true, if_true, if_false); 3455 PrepareForBailoutBeforeSplit(TOS_REG, true, if_true, if_false);
3456 // The stub returns 0 for true. 3456 // The stub returns 0 for true.
3457 __ tst(r0, r0); 3457 __ tst(r0, r0);
3458 Split(eq, if_true, if_false, fall_through); 3458 Split(eq, if_true, if_false, fall_through);
3459 break; 3459 break;
3460 } 3460 }
3461 3461
3462 default: { 3462 default: {
3463 VisitForAccumulatorValue(expr->right()); 3463 VisitForAccumulatorValue(expr->right());
3464 Condition cc = eq; 3464 Condition cond = eq;
3465 bool strict = false; 3465 bool strict = false;
3466 switch (op) { 3466 switch (op) {
3467 case Token::EQ_STRICT: 3467 case Token::EQ_STRICT:
3468 strict = true; 3468 strict = true;
3469 // Fall through 3469 // Fall through
3470 case Token::EQ: 3470 case Token::EQ:
3471 cc = eq; 3471 cond = eq;
3472 __ pop(r1); 3472 __ pop(r1);
3473 break; 3473 break;
3474 case Token::LT: 3474 case Token::LT:
3475 cc = lt; 3475 cond = lt;
3476 __ pop(r1); 3476 __ pop(r1);
3477 break; 3477 break;
3478 case Token::GT: 3478 case Token::GT:
3479 // Reverse left and right sides to obtain ECMA-262 conversion order. 3479 // Reverse left and right sides to obtain ECMA-262 conversion order.
3480 cc = lt; 3480 cond = lt;
3481 __ mov(r1, result_register()); 3481 __ mov(r1, result_register());
3482 __ pop(r0); 3482 __ pop(r0);
3483 break; 3483 break;
3484 case Token::LTE: 3484 case Token::LTE:
3485 // Reverse left and right sides to obtain ECMA-262 conversion order. 3485 // Reverse left and right sides to obtain ECMA-262 conversion order.
3486 cc = ge; 3486 cond = ge;
3487 __ mov(r1, result_register()); 3487 __ mov(r1, result_register());
3488 __ pop(r0); 3488 __ pop(r0);
3489 break; 3489 break;
3490 case Token::GTE: 3490 case Token::GTE:
3491 cc = ge; 3491 cond = ge;
3492 __ pop(r1); 3492 __ pop(r1);
3493 break; 3493 break;
3494 case Token::IN: 3494 case Token::IN:
3495 case Token::INSTANCEOF: 3495 case Token::INSTANCEOF:
3496 default: 3496 default:
3497 UNREACHABLE(); 3497 UNREACHABLE();
3498 } 3498 }
3499 3499
3500 bool inline_smi_code = ShouldInlineSmiCase(op); 3500 bool inline_smi_code = ShouldInlineSmiCase(op);
3501 if (inline_smi_code) { 3501 if (inline_smi_code) {
3502 Label slow_case; 3502 Label slow_case;
3503 __ orr(r2, r0, Operand(r1)); 3503 __ orr(r2, r0, Operand(r1));
3504 __ BranchOnNotSmi(r2, &slow_case); 3504 __ BranchOnNotSmi(r2, &slow_case);
3505 __ cmp(r1, r0); 3505 __ cmp(r1, r0);
3506 Split(cc, if_true, if_false, NULL); 3506 Split(cond, if_true, if_false, NULL);
3507 __ bind(&slow_case); 3507 __ bind(&slow_case);
3508 } 3508 }
3509 CompareFlags flags = inline_smi_code 3509 CompareFlags flags = inline_smi_code
3510 ? NO_SMI_COMPARE_IN_STUB 3510 ? NO_SMI_COMPARE_IN_STUB
3511 : NO_COMPARE_FLAGS; 3511 : NO_COMPARE_FLAGS;
3512 CompareStub stub(cc, strict, flags, r1, r0); 3512 CompareStub stub(cond, strict, flags, r1, r0);
3513 __ CallStub(&stub); 3513 __ CallStub(&stub);
3514 PrepareForBailoutBeforeSplit(TOS_REG, true, if_true, if_false); 3514 PrepareForBailoutBeforeSplit(TOS_REG, true, if_true, if_false);
3515 __ cmp(r0, Operand(0, RelocInfo::NONE)); 3515 __ cmp(r0, Operand(0, RelocInfo::NONE));
3516 Split(cc, if_true, if_false, fall_through); 3516 Split(cond, if_true, if_false, fall_through);
3517 } 3517 }
3518 } 3518 }
3519 3519
3520 // Convert the result of the comparison into one expected for this 3520 // Convert the result of the comparison into one expected for this
3521 // expression's context. 3521 // expression's context.
3522 context()->Plug(if_true, if_false); 3522 context()->Plug(if_true, if_false);
3523 } 3523 }
3524 3524
3525 3525
3526 void FullCodeGenerator::VisitCompareToNull(CompareToNull* expr) { 3526 void FullCodeGenerator::VisitCompareToNull(CompareToNull* expr) {
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3616 __ mov(r1, Operand(r1, ASR, 1)); // Un-smi-tag value. 3616 __ mov(r1, Operand(r1, ASR, 1)); // Un-smi-tag value.
3617 __ add(pc, r1, Operand(masm_->CodeObject())); 3617 __ add(pc, r1, Operand(masm_->CodeObject()));
3618 } 3618 }
3619 3619
3620 3620
3621 #undef __ 3621 #undef __
3622 3622
3623 } } // namespace v8::internal 3623 } } // namespace v8::internal
3624 3624
3625 #endif // V8_TARGET_ARCH_ARM 3625 #endif // V8_TARGET_ARCH_ARM
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