src/assembler.h - Issue 12470: * Lint fixes

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Issue 12470: * Lint fixes (Closed)

Patch Set: Created 12 years ago

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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 are	5 // modification, are permitted provided that the following conditions are

6 // met:	6 // 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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43	43

44	44

45 // -----------------------------------------------------------------------------	45 // -----------------------------------------------------------------------------

46 // Labels represent pc locations; they are typically jump or call targets.	46 // Labels represent pc locations; they are typically jump or call targets.

47 // After declaration, a label can be freely used to denote known or (yet)	47 // After declaration, a label can be freely used to denote known or (yet)

48 // unknown pc location. Assembler::bind() is used to bind a label to the	48 // unknown pc location. Assembler::bind() is used to bind a label to the

49 // current pc. A label can be bound only once.	49 // current pc. A label can be bound only once.

50	50

51 class Label : public ZoneObject { // LabelShadows are dynamically allocated.	51 class Label : public ZoneObject { // LabelShadows are dynamically allocated.

52 public:	52 public:

53 INLINE(Label())	53 INLINE(Label()) { Unuse(); }

54 { Unuse(); }

55 INLINE(~Label()) { ASSERT(!is_linked()); }	54 INLINE(~Label()) { ASSERT(!is_linked()); }

56	55

57 INLINE(void Unuse()) { pos_ = 0; }	56 INLINE(void Unuse()) { pos_ = 0; }

58	57

59 INLINE(bool is_bound() const) { return pos_ < 0; }	58 INLINE(bool is_bound() const) { return pos_ < 0; }

60 INLINE(bool is_unused() const) { return pos_ == 0; }	59 INLINE(bool is_unused() const) { return pos_ == 0; }

61 INLINE(bool is_linked() const) { return pos_ > 0; }	60 INLINE(bool is_linked() const) { return pos_ > 0; }

62	61

63 // Returns the position of bound or linked labels. Cannot be used	62 // Returns the position of bound or linked labels. Cannot be used

64 // for unused labels.	63 // for unused labels.

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471 static inline bool is_uint4(int x) { return is_uintn(x, 4); }	470 static inline bool is_uint4(int x) { return is_uintn(x, 4); }

472 static inline bool is_uint5(int x) { return is_uintn(x, 5); }	471 static inline bool is_uint5(int x) { return is_uintn(x, 5); }

473 static inline bool is_uint8(int x) { return is_uintn(x, 8); }	472 static inline bool is_uint8(int x) { return is_uintn(x, 8); }

474 static inline bool is_uint12(int x) { return is_uintn(x, 12); }	473 static inline bool is_uint12(int x) { return is_uintn(x, 12); }

475 static inline bool is_uint16(int x) { return is_uintn(x, 16); }	474 static inline bool is_uint16(int x) { return is_uintn(x, 16); }

476 static inline bool is_uint24(int x) { return is_uintn(x, 24); }	475 static inline bool is_uint24(int x) { return is_uintn(x, 24); }

477	476

478 } } // namespace v8::internal	477 } } // namespace v8::internal

479	478

480 #endif // V8_ASSEMBLER_H_	479 #endif // V8_ASSEMBLER_H_

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