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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #include "src/base/bits.h" | 7 #include "src/base/bits.h" |
8 #include "src/code-factory.h" | 8 #include "src/code-factory.h" |
9 #include "src/code-stubs.h" | 9 #include "src/code-stubs.h" |
10 #include "src/cpu-profiler.h" | 10 #include "src/cpu-profiler.h" |
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5418 | 5418 |
5419 void LCodeGen::DoCheckNonSmi(LCheckNonSmi* instr) { | 5419 void LCodeGen::DoCheckNonSmi(LCheckNonSmi* instr) { |
5420 if (!instr->hydrogen()->value()->type().IsHeapObject()) { | 5420 if (!instr->hydrogen()->value()->type().IsHeapObject()) { |
5421 LOperand* input = instr->value(); | 5421 LOperand* input = instr->value(); |
5422 __ TestIfSmi(ToRegister(input), r0); | 5422 __ TestIfSmi(ToRegister(input), r0); |
5423 DeoptimizeIf(eq, instr, Deoptimizer::kSmi, cr0); | 5423 DeoptimizeIf(eq, instr, Deoptimizer::kSmi, cr0); |
5424 } | 5424 } |
5425 } | 5425 } |
5426 | 5426 |
5427 | 5427 |
| 5428 void LCodeGen::DoCheckArrayBufferNotNeutered( |
| 5429 LCheckArrayBufferNotNeutered* instr) { |
| 5430 Register view = ToRegister(instr->view()); |
| 5431 Register scratch = scratch0(); |
| 5432 |
| 5433 Label has_no_buffer; |
| 5434 __ LoadP(scratch, FieldMemOperand(view, JSArrayBufferView::kBufferOffset)); |
| 5435 __ JumpIfSmi(scratch, &has_no_buffer); |
| 5436 __ LoadP(scratch, FieldMemOperand(scratch, JSArrayBuffer::kBitFieldOffset)); |
| 5437 __ andi(r0, scratch, Operand(1 << JSArrayBuffer::WasNeutered::kShift)); |
| 5438 DeoptimizeIf(ne, instr, Deoptimizer::kOutOfBounds); |
| 5439 |
| 5440 __ bind(&has_no_buffer); |
| 5441 } |
| 5442 |
| 5443 |
5428 void LCodeGen::DoCheckInstanceType(LCheckInstanceType* instr) { | 5444 void LCodeGen::DoCheckInstanceType(LCheckInstanceType* instr) { |
5429 Register input = ToRegister(instr->value()); | 5445 Register input = ToRegister(instr->value()); |
5430 Register scratch = scratch0(); | 5446 Register scratch = scratch0(); |
5431 | 5447 |
5432 __ LoadP(scratch, FieldMemOperand(input, HeapObject::kMapOffset)); | 5448 __ LoadP(scratch, FieldMemOperand(input, HeapObject::kMapOffset)); |
5433 __ lbz(scratch, FieldMemOperand(scratch, Map::kInstanceTypeOffset)); | 5449 __ lbz(scratch, FieldMemOperand(scratch, Map::kInstanceTypeOffset)); |
5434 | 5450 |
5435 if (instr->hydrogen()->is_interval_check()) { | 5451 if (instr->hydrogen()->is_interval_check()) { |
5436 InstanceType first; | 5452 InstanceType first; |
5437 InstanceType last; | 5453 InstanceType last; |
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6193 __ Push(scope_info); | 6209 __ Push(scope_info); |
6194 __ push(ToRegister(instr->function())); | 6210 __ push(ToRegister(instr->function())); |
6195 CallRuntime(Runtime::kPushBlockContext, 2, instr); | 6211 CallRuntime(Runtime::kPushBlockContext, 2, instr); |
6196 RecordSafepoint(Safepoint::kNoLazyDeopt); | 6212 RecordSafepoint(Safepoint::kNoLazyDeopt); |
6197 } | 6213 } |
6198 | 6214 |
6199 | 6215 |
6200 #undef __ | 6216 #undef __ |
6201 } | 6217 } |
6202 } // namespace v8::internal | 6218 } // namespace v8::internal |
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