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Issue 2021343002: [arm] Fix test failures on old architectures. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 6 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 #ifndef V8_ARM_MACRO_ASSEMBLER_ARM_H_ 5 #ifndef V8_ARM_MACRO_ASSEMBLER_ARM_H_
6 #define V8_ARM_MACRO_ASSEMBLER_ARM_H_ 6 #define V8_ARM_MACRO_ASSEMBLER_ARM_H_
7 7
8 #include "src/assembler.h" 8 #include "src/assembler.h"
9 #include "src/bailout-reason.h" 9 #include "src/bailout-reason.h"
10 #include "src/frames.h" 10 #include "src/frames.h"
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94 94
95 95
96 // Returns the size of a call in instructions. Note, the value returned is 96 // Returns the size of a call in instructions. Note, the value returned is
97 // only valid as long as no entries are added to the constant pool between 97 // only valid as long as no entries are added to the constant pool between
98 // checking the call size and emitting the actual call. 98 // checking the call size and emitting the actual call.
99 static int CallSize(Register target, Condition cond = al); 99 static int CallSize(Register target, Condition cond = al);
100 int CallSize(Address target, RelocInfo::Mode rmode, Condition cond = al); 100 int CallSize(Address target, RelocInfo::Mode rmode, Condition cond = al);
101 int CallStubSize(CodeStub* stub, 101 int CallStubSize(CodeStub* stub,
102 TypeFeedbackId ast_id = TypeFeedbackId::None(), 102 TypeFeedbackId ast_id = TypeFeedbackId::None(),
103 Condition cond = al); 103 Condition cond = al);
104 static int CallSizeNotPredictableCodeSize(Isolate* isolate,
105 Address target,
106 RelocInfo::Mode rmode,
107 Condition cond = al);
108 104
109 // Jump, Call, and Ret pseudo instructions implementing inter-working. 105 // Jump, Call, and Ret pseudo instructions implementing inter-working.
110 void Jump(Register target, Condition cond = al); 106 void Jump(Register target, Condition cond = al);
111 void Jump(Address target, RelocInfo::Mode rmode, Condition cond = al); 107 void Jump(Address target, RelocInfo::Mode rmode, Condition cond = al);
112 void Jump(Handle<Code> code, RelocInfo::Mode rmode, Condition cond = al); 108 void Jump(Handle<Code> code, RelocInfo::Mode rmode, Condition cond = al);
113 void Call(Register target, Condition cond = al); 109 void Call(Register target, Condition cond = al);
114 void Call(Address target, RelocInfo::Mode rmode, 110 void Call(Address target, RelocInfo::Mode rmode,
115 Condition cond = al, 111 Condition cond = al,
116 TargetAddressStorageMode mode = CAN_INLINE_TARGET_ADDRESS); 112 TargetAddressStorageMode mode = CAN_INLINE_TARGET_ADDRESS);
113 void Call(Handle<Code> code, RelocInfo::Mode rmode = RelocInfo::CODE_TARGET,
114 TypeFeedbackId ast_id = TypeFeedbackId::None(), Condition cond = al,
115 TargetAddressStorageMode mode = CAN_INLINE_TARGET_ADDRESS);
117 int CallSize(Handle<Code> code, 116 int CallSize(Handle<Code> code,
118 RelocInfo::Mode rmode = RelocInfo::CODE_TARGET, 117 RelocInfo::Mode rmode = RelocInfo::CODE_TARGET,
119 TypeFeedbackId ast_id = TypeFeedbackId::None(), 118 TypeFeedbackId ast_id = TypeFeedbackId::None(),
120 Condition cond = al); 119 Condition cond = al);
121 void Call(Handle<Code> code,
122 RelocInfo::Mode rmode = RelocInfo::CODE_TARGET,
123 TypeFeedbackId ast_id = TypeFeedbackId::None(),
124 Condition cond = al,
125 TargetAddressStorageMode mode = CAN_INLINE_TARGET_ADDRESS);
126 void Ret(Condition cond = al); 120 void Ret(Condition cond = al);
127 121
122 // Used for patching in calls to the deoptimizer.
123 void CallDeoptimizer(Address target);
124 static int CallDeoptimizerSize();
125
128 // Emit code to discard a non-negative number of pointer-sized elements 126 // Emit code to discard a non-negative number of pointer-sized elements
129 // from the stack, clobbering only the sp register. 127 // from the stack, clobbering only the sp register.
130 void Drop(int count, Condition cond = al); 128 void Drop(int count, Condition cond = al);
131 void Drop(Register count, Condition cond = al); 129 void Drop(Register count, Condition cond = al);
132 130
133 void Ret(int drop, Condition cond = al); 131 void Ret(int drop, Condition cond = al);
134 132
135 // Swap two registers. If the scratch register is omitted then a slightly 133 // Swap two registers. If the scratch register is omitted then a slightly
136 // less efficient form using xor instead of mov is emitted. 134 // less efficient form using xor instead of mov is emitted.
137 void Swap(Register reg1, 135 void Swap(Register reg1,
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1577 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> 1575 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm->
1578 #else 1576 #else
1579 #define ACCESS_MASM(masm) masm-> 1577 #define ACCESS_MASM(masm) masm->
1580 #endif 1578 #endif
1581 1579
1582 1580
1583 } // namespace internal 1581 } // namespace internal
1584 } // namespace v8 1582 } // namespace v8
1585 1583
1586 #endif // V8_ARM_MACRO_ASSEMBLER_ARM_H_ 1584 #endif // V8_ARM_MACRO_ASSEMBLER_ARM_H_
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