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| 1 // Copyright (c) 1994-2006 Sun Microsystems Inc. | 1 // Copyright (c) 1994-2006 Sun Microsystems Inc. |
| 2 // All Rights Reserved. | 2 // All Rights Reserved. |
| 3 // | 3 // |
| 4 // Redistribution and use in source and binary forms, with or without | 4 // Redistribution and use in source and binary forms, with or without |
| 5 // modification, are permitted provided that the following conditions | 5 // modification, are permitted provided that the following conditions |
| 6 // are met: | 6 // are met: |
| 7 // | 7 // |
| 8 // - Redistributions of source code must retain the above copyright notice, | 8 // - Redistributions of source code must retain the above copyright notice, |
| 9 // this list of conditions and the following disclaimer. | 9 // this list of conditions and the following disclaimer. |
| 10 // | 10 // |
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| 1285 ldr(dst, MemOperand(sp, 4, PostIndex), cond); | 1285 ldr(dst, MemOperand(sp, 4, PostIndex), cond); |
| 1286 } | 1286 } |
| 1287 | 1287 |
| 1288 void pop() { | 1288 void pop() { |
| 1289 add(sp, sp, Operand(kPointerSize)); | 1289 add(sp, sp, Operand(kPointerSize)); |
| 1290 } | 1290 } |
| 1291 | 1291 |
| 1292 // Jump unconditionally to given label. | 1292 // Jump unconditionally to given label. |
| 1293 void jmp(Label* L) { b(L, al); } | 1293 void jmp(Label* L) { b(L, al); } |
| 1294 | 1294 |
| 1295 static bool use_immediate_embedded_pointer_loads( | |
| 1296 const Assembler* assembler) { | |
| 1297 return CpuFeatures::IsSupported(MOVW_MOVT_IMMEDIATE_LOADS) && | |
| 1298 (assembler == NULL || !assembler->predictable_code_size()); | |
| 1299 } | |
| 1300 | |
| 1301 // Check the code size generated from label to here. | 1295 // Check the code size generated from label to here. |
| 1302 int SizeOfCodeGeneratedSince(Label* label) { | 1296 int SizeOfCodeGeneratedSince(Label* label) { |
| 1303 return pc_offset() - label->pos(); | 1297 return pc_offset() - label->pos(); |
| 1304 } | 1298 } |
| 1305 | 1299 |
| 1306 // Check the number of instructions generated from label to here. | 1300 // Check the number of instructions generated from label to here. |
| 1307 int InstructionsGeneratedSince(Label* label) { | 1301 int InstructionsGeneratedSince(Label* label) { |
| 1308 return SizeOfCodeGeneratedSince(label) / kInstrSize; | 1302 return SizeOfCodeGeneratedSince(label) / kInstrSize; |
| 1309 } | 1303 } |
| 1310 | 1304 |
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| 1558 | 1552 |
| 1559 // The bound position, before this we cannot do instruction elimination. | 1553 // The bound position, before this we cannot do instruction elimination. |
| 1560 int last_bound_pos_; | 1554 int last_bound_pos_; |
| 1561 | 1555 |
| 1562 // Code emission | 1556 // Code emission |
| 1563 inline void CheckBuffer(); | 1557 inline void CheckBuffer(); |
| 1564 void GrowBuffer(); | 1558 void GrowBuffer(); |
| 1565 inline void emit(Instr x); | 1559 inline void emit(Instr x); |
| 1566 | 1560 |
| 1567 // 32-bit immediate values | 1561 // 32-bit immediate values |
| 1568 void move_32_bit_immediate(Condition cond, | 1562 void move_32_bit_immediate(Register rd, |
| 1569 Register rd, | 1563 const Operand& x, |
| 1570 SBit s, | 1564 Condition cond = al); |
| 1571 const Operand& x); | |
| 1572 | 1565 |
| 1573 // Instruction generation | 1566 // Instruction generation |
| 1574 void addrmod1(Instr instr, Register rn, Register rd, const Operand& x); | 1567 void addrmod1(Instr instr, Register rn, Register rd, const Operand& x); |
| 1575 void addrmod2(Instr instr, Register rd, const MemOperand& x); | 1568 void addrmod2(Instr instr, Register rd, const MemOperand& x); |
| 1576 void addrmod3(Instr instr, Register rd, const MemOperand& x); | 1569 void addrmod3(Instr instr, Register rd, const MemOperand& x); |
| 1577 void addrmod4(Instr instr, Register rn, RegList rl); | 1570 void addrmod4(Instr instr, Register rn, RegList rl); |
| 1578 void addrmod5(Instr instr, CRegister crd, const MemOperand& x); | 1571 void addrmod5(Instr instr, CRegister crd, const MemOperand& x); |
| 1579 | 1572 |
| 1580 // Labels | 1573 // Labels |
| 1581 void print(Label* L); | 1574 void print(Label* L); |
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| 1607 public: | 1600 public: |
| 1608 explicit EnsureSpace(Assembler* assembler) { | 1601 explicit EnsureSpace(Assembler* assembler) { |
| 1609 assembler->CheckBuffer(); | 1602 assembler->CheckBuffer(); |
| 1610 } | 1603 } |
| 1611 }; | 1604 }; |
| 1612 | 1605 |
| 1613 | 1606 |
| 1614 } } // namespace v8::internal | 1607 } } // namespace v8::internal |
| 1615 | 1608 |
| 1616 #endif // V8_ARM_ASSEMBLER_ARM_H_ | 1609 #endif // V8_ARM_ASSEMBLER_ARM_H_ |
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