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Issue 2655853010: [TypeFeedbackVector] Combine the literals array and the feedback vector. (Closed)
Patch Set: more comments. Created 3 years, 10 months ago
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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 // 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 <limits.h> // For LONG_MIN, LONG_MAX. 5 #include <limits.h> // For LONG_MIN, LONG_MAX.
6 6
7 #if V8_TARGET_ARCH_ARM 7 #if V8_TARGET_ARCH_ARM
8 8
9 #include "src/base/bits.h" 9 #include "src/base/bits.h"
10 #include "src/base/division-by-constant.h" 10 #include "src/base/division-by-constant.h"
(...skipping 1412 matching lines...) Expand 10 before | Expand all | Expand 10 after
1423 } 1423 }
1424 if (FLAG_enable_embedded_constant_pool) { 1424 if (FLAG_enable_embedded_constant_pool) {
1425 LoadConstantPoolPointerRegister(); 1425 LoadConstantPoolPointerRegister();
1426 set_constant_pool_available(true); 1426 set_constant_pool_available(true);
1427 } 1427 }
1428 } 1428 }
1429 1429
1430 1430
1431 void MacroAssembler::EmitLoadTypeFeedbackVector(Register vector) { 1431 void MacroAssembler::EmitLoadTypeFeedbackVector(Register vector) {
1432 ldr(vector, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); 1432 ldr(vector, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
1433 ldr(vector, FieldMemOperand(vector, JSFunction::kLiteralsOffset)); 1433 ldr(vector, FieldMemOperand(vector, JSFunction::kFeedbackVectorOffset));
1434 ldr(vector, FieldMemOperand(vector, LiteralsArray::kFeedbackVectorOffset));
1435 } 1434 }
1436 1435
1437 1436
1438 void MacroAssembler::EnterFrame(StackFrame::Type type, 1437 void MacroAssembler::EnterFrame(StackFrame::Type type,
1439 bool load_constant_pool_pointer_reg) { 1438 bool load_constant_pool_pointer_reg) {
1440 // r0-r3: preserved 1439 // r0-r3: preserved
1441 mov(ip, Operand(Smi::FromInt(type))); 1440 mov(ip, Operand(Smi::FromInt(type)));
1442 PushCommonFrame(ip); 1441 PushCommonFrame(ip);
1443 if (FLAG_enable_embedded_constant_pool && load_constant_pool_pointer_reg) { 1442 if (FLAG_enable_embedded_constant_pool && load_constant_pool_pointer_reg) {
1444 LoadConstantPoolPointerRegister(); 1443 LoadConstantPoolPointerRegister();
(...skipping 2433 matching lines...) Expand 10 before | Expand all | Expand 10 after
3878 } 3877 }
3879 } 3878 }
3880 if (mag.shift > 0) mov(result, Operand(result, ASR, mag.shift)); 3879 if (mag.shift > 0) mov(result, Operand(result, ASR, mag.shift));
3881 add(result, result, Operand(dividend, LSR, 31)); 3880 add(result, result, Operand(dividend, LSR, 31));
3882 } 3881 }
3883 3882
3884 } // namespace internal 3883 } // namespace internal
3885 } // namespace v8 3884 } // namespace v8
3886 3885
3887 #endif // V8_TARGET_ARCH_ARM 3886 #endif // V8_TARGET_ARCH_ARM
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