src/arm/assembler-arm.h - Issue 496443003: Add ARMv6 support for the out-of-line constant pool.

Side by Side Diff: src/arm/assembler-arm.h

Issue 496443003: Add ARMv6 support for the out-of-line constant pool. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge

Patch Set: kImmed8 Created 6 years, 4 months ago

Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.

Jump to:

View unified diff | Download patch | Annotate | Revision Log

OLD	NEW
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 //

(...skipping 1431 matching lines...) Expand 10 before \| Expand all \| Expand 10 after Loading...
1442 static bool IsLdrPcImmediateOffset(Instr instr);	1442 static bool IsLdrPcImmediateOffset(Instr instr);

1443 static bool IsVldrDPcImmediateOffset(Instr instr);	1443 static bool IsVldrDPcImmediateOffset(Instr instr);

1444 static bool IsBlxReg(Instr instr);	1444 static bool IsBlxReg(Instr instr);

1445 static bool IsBlxIp(Instr instr);	1445 static bool IsBlxIp(Instr instr);

1446 static bool IsTstImmediate(Instr instr);	1446 static bool IsTstImmediate(Instr instr);

1447 static bool IsCmpRegister(Instr instr);	1447 static bool IsCmpRegister(Instr instr);

1448 static bool IsCmpImmediate(Instr instr);	1448 static bool IsCmpImmediate(Instr instr);

1449 static Register GetCmpImmediateRegister(Instr instr);	1449 static Register GetCmpImmediateRegister(Instr instr);

1450 static int GetCmpImmediateRawImmediate(Instr instr);	1450 static int GetCmpImmediateRawImmediate(Instr instr);

1451 static bool IsNop(Instr instr, int type = NON_MARKING_NOP);	1451 static bool IsNop(Instr instr, int type = NON_MARKING_NOP);

	1452 static bool IsMovImmed(Instr instr);

	1453 static bool IsOrrImmed(Instr instr);

1452 static bool IsMovT(Instr instr);	1454 static bool IsMovT(Instr instr);

1453 static Instr GetMovTPattern();	1455 static Instr GetMovTPattern();

1454 static bool IsMovW(Instr instr);	1456 static bool IsMovW(Instr instr);

1455 static Instr GetMovWPattern();	1457 static Instr GetMovWPattern();

1456 static Instr EncodeMovwImmediate(uint32_t immediate);	1458 static Instr EncodeMovwImmediate(uint32_t immediate);

1457 static Instr PatchMovwImmediate(Instr instruction, uint32_t immediate);	1459 static Instr PatchMovwImmediate(Instr instruction, uint32_t immediate);

	1460 static int DecodeShiftImm(Instr instr);

	1461 static Instr PatchShiftImm(Instr instr, int immed);

1458	1462

1459 // Constants in pools are accessed via pc relative addressing, which can	1463 // Constants in pools are accessed via pc relative addressing, which can

1460 // reach +/-4KB for integer PC-relative loads and +/-1KB for floating-point	1464 // reach +/-4KB for integer PC-relative loads and +/-1KB for floating-point

1461 // PC-relative loads, thereby defining a maximum distance between the	1465 // PC-relative loads, thereby defining a maximum distance between the

1462 // instruction and the accessed constant.	1466 // instruction and the accessed constant.

1463 static const int kMaxDistToIntPool = 4*KB;	1467 static const int kMaxDistToIntPool = 4*KB;

1464 static const int kMaxDistToFPPool = 1*KB;	1468 static const int kMaxDistToFPPool = 1*KB;

1465 // All relocations could be integer, it therefore acts as the limit.	1469 // All relocations could be integer, it therefore acts as the limit.

1466 static const int kMaxNumPending32RelocInfo = kMaxDistToIntPool/kInstrSize;	1470 static const int kMaxNumPending32RelocInfo = kMaxDistToIntPool/kInstrSize;

1467 static const int kMaxNumPending64RelocInfo = kMaxDistToFPPool/kInstrSize;	1471 static const int kMaxNumPending64RelocInfo = kMaxDistToFPPool/kInstrSize;

(...skipping 190 matching lines...) Expand 10 before \| Expand all \| Expand 10 after Loading...
1658 public:	1662 public:

1659 explicit EnsureSpace(Assembler* assembler) {	1663 explicit EnsureSpace(Assembler* assembler) {

1660 assembler->CheckBuffer();	1664 assembler->CheckBuffer();

1661 }	1665 }

1662 };	1666 };

1663	1667

1664	1668

1665 } } // namespace v8::internal	1669 } } // namespace v8::internal

1666	1670

1667 #endif // V8_ARM_ASSEMBLER_ARM_H_	1671 #endif // V8_ARM_ASSEMBLER_ARM_H_

OLD	NEW

« no previous file with comments | « no previous file | src/arm/assembler-arm.cc » ('j') | no next file with comments »