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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 #ifndef V8_PPC_MACRO_ASSEMBLER_PPC_H_ | 5 #ifndef V8_PPC_MACRO_ASSEMBLER_PPC_H_ |
6 #define V8_PPC_MACRO_ASSEMBLER_PPC_H_ | 6 #define V8_PPC_MACRO_ASSEMBLER_PPC_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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205 // Check if object is in new space. Jumps if the object is in new space. | 205 // Check if object is in new space. Jumps if the object is in new space. |
206 // The register scratch can be object itself, but it will be clobbered. | 206 // The register scratch can be object itself, but it will be clobbered. |
207 void JumpIfInNewSpace(Register object, Register scratch, Label* branch) { | 207 void JumpIfInNewSpace(Register object, Register scratch, Label* branch) { |
208 InNewSpace(object, scratch, eq, branch); | 208 InNewSpace(object, scratch, eq, branch); |
209 } | 209 } |
210 | 210 |
211 // Check if an object has a given incremental marking color. | 211 // Check if an object has a given incremental marking color. |
212 void HasColor(Register object, Register scratch0, Register scratch1, | 212 void HasColor(Register object, Register scratch0, Register scratch1, |
213 Label* has_color, int first_bit, int second_bit); | 213 Label* has_color, int first_bit, int second_bit); |
214 | 214 |
| 215 void JumpIfBlack(Register object, Register scratch0, Register scratch1, |
| 216 Label* on_black); |
| 217 |
215 // Checks the color of an object. If the object is white we jump to the | 218 // Checks the color of an object. If the object is white we jump to the |
216 // incremental marker. | 219 // incremental marker. |
217 void JumpIfWhite(Register value, Register scratch1, Register scratch2, | 220 void JumpIfWhite(Register value, Register scratch1, Register scratch2, |
218 Register scratch3, Label* value_is_white); | 221 Register scratch3, Label* value_is_white); |
219 | 222 |
220 // Notify the garbage collector that we wrote a pointer into an object. | 223 // Notify the garbage collector that we wrote a pointer into an object. |
221 // |object| is the object being stored into, |value| is the object being | 224 // |object| is the object being stored into, |value| is the object being |
222 // stored. value and scratch registers are clobbered by the operation. | 225 // stored. value and scratch registers are clobbered by the operation. |
223 // The offset is the offset from the start of the object, not the offset from | 226 // The offset is the offset from the start of the object, not the offset from |
224 // the tagged HeapObject pointer. For use with FieldMemOperand(reg, off). | 227 // the tagged HeapObject pointer. For use with FieldMemOperand(reg, off). |
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1573 #define ACCESS_MASM(masm) \ | 1576 #define ACCESS_MASM(masm) \ |
1574 masm->stop(__FILE_LINE__); \ | 1577 masm->stop(__FILE_LINE__); \ |
1575 masm-> | 1578 masm-> |
1576 #else | 1579 #else |
1577 #define ACCESS_MASM(masm) masm-> | 1580 #define ACCESS_MASM(masm) masm-> |
1578 #endif | 1581 #endif |
1579 } // namespace internal | 1582 } // namespace internal |
1580 } // namespace v8 | 1583 } // namespace v8 |
1581 | 1584 |
1582 #endif // V8_PPC_MACRO_ASSEMBLER_PPC_H_ | 1585 #endif // V8_PPC_MACRO_ASSEMBLER_PPC_H_ |
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