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Issue 6991010: Remove NearLabel, replacing remaining occurrences with Label (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 9 years, 7 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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1196 Register result = ToRegister(instr->result()); 1196 Register result = ToRegister(instr->result());
1197 Register array = ToRegister(instr->InputAt(0)); 1197 Register array = ToRegister(instr->InputAt(0));
1198 __ movl(result, FieldOperand(array, ExternalPixelArray::kLengthOffset)); 1198 __ movl(result, FieldOperand(array, ExternalPixelArray::kLengthOffset));
1199 } 1199 }
1200 1200
1201 1201
1202 void LCodeGen::DoValueOf(LValueOf* instr) { 1202 void LCodeGen::DoValueOf(LValueOf* instr) {
1203 Register input = ToRegister(instr->InputAt(0)); 1203 Register input = ToRegister(instr->InputAt(0));
1204 Register result = ToRegister(instr->result()); 1204 Register result = ToRegister(instr->result());
1205 ASSERT(input.is(result)); 1205 ASSERT(input.is(result));
1206 NearLabel done; 1206 Label done;
1207 // If the object is a smi return the object. 1207 // If the object is a smi return the object.
1208 __ JumpIfSmi(input, &done); 1208 __ JumpIfSmi(input, &done, Label::kNear);
1209 1209
1210 // If the object is not a value type, return the object. 1210 // If the object is not a value type, return the object.
1211 __ CmpObjectType(input, JS_VALUE_TYPE, kScratchRegister); 1211 __ CmpObjectType(input, JS_VALUE_TYPE, kScratchRegister);
1212 __ j(not_equal, &done); 1212 __ j(not_equal, &done, Label::kNear);
1213 __ movq(result, FieldOperand(input, JSValue::kValueOffset)); 1213 __ movq(result, FieldOperand(input, JSValue::kValueOffset));
1214 1214
1215 __ bind(&done); 1215 __ bind(&done);
1216 } 1216 }
1217 1217
1218 1218
1219 void LCodeGen::DoBitNotI(LBitNotI* instr) { 1219 void LCodeGen::DoBitNotI(LBitNotI* instr) {
1220 LOperand* input = instr->InputAt(0); 1220 LOperand* input = instr->InputAt(0);
1221 ASSERT(input->Equals(instr->result())); 1221 ASSERT(input->Equals(instr->result()));
1222 __ not_(ToRegister(input)); 1222 __ not_(ToRegister(input));
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1567 __ CompareRoot(reg, Heap::kNullValueRootIndex); 1567 __ CompareRoot(reg, Heap::kNullValueRootIndex);
1568 if (instr->is_strict()) { 1568 if (instr->is_strict()) {
1569 ASSERT(Heap::kTrueValueRootIndex >= 0); 1569 ASSERT(Heap::kTrueValueRootIndex >= 0);
1570 __ movl(result, Immediate(Heap::kTrueValueRootIndex)); 1570 __ movl(result, Immediate(Heap::kTrueValueRootIndex));
1571 Label load; 1571 Label load;
1572 __ j(equal, &load, Label::kNear); 1572 __ j(equal, &load, Label::kNear);
1573 __ Set(result, Heap::kFalseValueRootIndex); 1573 __ Set(result, Heap::kFalseValueRootIndex);
1574 __ bind(&load); 1574 __ bind(&load);
1575 __ LoadRootIndexed(result, result, 0); 1575 __ LoadRootIndexed(result, result, 0);
1576 } else { 1576 } else {
1577 NearLabel false_value; 1577 Label false_value, true_value, done;
1578 Label true_value, done;
1579 __ j(equal, &true_value, Label::kNear); 1578 __ j(equal, &true_value, Label::kNear);
1580 __ CompareRoot(reg, Heap::kUndefinedValueRootIndex); 1579 __ CompareRoot(reg, Heap::kUndefinedValueRootIndex);
1581 __ j(equal, &true_value, Label::kNear); 1580 __ j(equal, &true_value, Label::kNear);
1582 __ JumpIfSmi(reg, &false_value); 1581 __ JumpIfSmi(reg, &false_value, Label::kNear);
1583 // Check for undetectable objects by looking in the bit field in 1582 // Check for undetectable objects by looking in the bit field in
1584 // the map. The object has already been smi checked. 1583 // the map. The object has already been smi checked.
1585 Register scratch = result; 1584 Register scratch = result;
1586 __ movq(scratch, FieldOperand(reg, HeapObject::kMapOffset)); 1585 __ movq(scratch, FieldOperand(reg, HeapObject::kMapOffset));
1587 __ testb(FieldOperand(scratch, Map::kBitFieldOffset), 1586 __ testb(FieldOperand(scratch, Map::kBitFieldOffset),
1588 Immediate(1 << Map::kIsUndetectable)); 1587 Immediate(1 << Map::kIsUndetectable));
1589 __ j(not_zero, &true_value, Label::kNear); 1588 __ j(not_zero, &true_value, Label::kNear);
1590 __ bind(&false_value); 1589 __ bind(&false_value);
1591 __ LoadRoot(result, Heap::kFalseValueRootIndex); 1590 __ LoadRoot(result, Heap::kFalseValueRootIndex);
1592 __ jmp(&done, Label::kNear); 1591 __ jmp(&done, Label::kNear);
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3488 Condition is_smi = __ CheckSmi(input); 3487 Condition is_smi = __ CheckSmi(input);
3489 DeoptimizeIf(NegateCondition(is_smi), instr->environment()); 3488 DeoptimizeIf(NegateCondition(is_smi), instr->environment());
3490 } 3489 }
3491 __ SmiToInteger32(input, input); 3490 __ SmiToInteger32(input, input);
3492 } 3491 }
3493 3492
3494 3493
3495 void LCodeGen::EmitNumberUntagD(Register input_reg, 3494 void LCodeGen::EmitNumberUntagD(Register input_reg,
3496 XMMRegister result_reg, 3495 XMMRegister result_reg,
3497 LEnvironment* env) { 3496 LEnvironment* env) {
3498 NearLabel load_smi; 3497 Label load_smi, heap_number, done;
3499 Label heap_number, done;
3500 3498
3501 // Smi check. 3499 // Smi check.
3502 __ JumpIfSmi(input_reg, &load_smi); 3500 __ JumpIfSmi(input_reg, &load_smi, Label::kNear);
3503 3501
3504 // Heap number map check. 3502 // Heap number map check.
3505 __ CompareRoot(FieldOperand(input_reg, HeapObject::kMapOffset), 3503 __ CompareRoot(FieldOperand(input_reg, HeapObject::kMapOffset),
3506 Heap::kHeapNumberMapRootIndex); 3504 Heap::kHeapNumberMapRootIndex);
3507 __ j(equal, &heap_number, Label::kNear); 3505 __ j(equal, &heap_number, Label::kNear);
3508 3506
3509 __ CompareRoot(input_reg, Heap::kUndefinedValueRootIndex); 3507 __ CompareRoot(input_reg, Heap::kUndefinedValueRootIndex);
3510 DeoptimizeIf(not_equal, env); 3508 DeoptimizeIf(not_equal, env);
3511 3509
3512 // Convert undefined to NaN. Compute NaN as 0/0. 3510 // Convert undefined to NaN. Compute NaN as 0/0.
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4138 RegisterEnvironmentForDeoptimization(environment); 4136 RegisterEnvironmentForDeoptimization(environment);
4139 ASSERT(osr_pc_offset_ == -1); 4137 ASSERT(osr_pc_offset_ == -1);
4140 osr_pc_offset_ = masm()->pc_offset(); 4138 osr_pc_offset_ = masm()->pc_offset();
4141 } 4139 }
4142 4140
4143 #undef __ 4141 #undef __
4144 4142
4145 } } // namespace v8::internal 4143 } } // namespace v8::internal
4146 4144
4147 #endif // V8_TARGET_ARCH_X64 4145 #endif // V8_TARGET_ARCH_X64
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