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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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68 #if !defined(__arm__) | 68 #if !defined(__arm__) |
69 # define CAN_USE_ARMV5_INSTRUCTIONS 1 | 69 # define CAN_USE_ARMV5_INSTRUCTIONS 1 |
70 # define CAN_USE_THUMB_INSTRUCTIONS 1 | 70 # define CAN_USE_THUMB_INSTRUCTIONS 1 |
71 | 71 |
72 # ifndef CAN_USE_UNALIGNED_ACCESSES | 72 # ifndef CAN_USE_UNALIGNED_ACCESSES |
73 # define CAN_USE_UNALIGNED_ACCESSES 1 | 73 # define CAN_USE_UNALIGNED_ACCESSES 1 |
74 # endif | 74 # endif |
75 | 75 |
76 #endif | 76 #endif |
77 | 77 |
78 #if CAN_USE_UNALIGNED_ACCESSES | |
79 #define V8_TARGET_CAN_READ_UNALIGNED 1 | |
80 #endif | |
81 | |
82 // Using blx may yield better code, so use it when required or when available | 78 // Using blx may yield better code, so use it when required or when available |
83 #if defined(USE_THUMB_INTERWORK) || defined(CAN_USE_ARMV5_INSTRUCTIONS) | 79 #if defined(USE_THUMB_INTERWORK) || defined(CAN_USE_ARMV5_INSTRUCTIONS) |
84 #define USE_BLX 1 | 80 #define USE_BLX 1 |
85 #endif | 81 #endif |
86 | 82 |
87 namespace v8 { | 83 namespace v8 { |
88 namespace internal { | 84 namespace internal { |
89 | 85 |
90 // Constant pool marker. | 86 // Constant pool marker. |
91 const int kConstantPoolMarkerMask = 0xffe00000; | 87 const int kConstantPoolMarkerMask = 0xffe00000; |
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766 static int Number(const char* name, bool* is_double); | 762 static int Number(const char* name, bool* is_double); |
767 | 763 |
768 private: | 764 private: |
769 static const char* names_[kNumVFPRegisters]; | 765 static const char* names_[kNumVFPRegisters]; |
770 }; | 766 }; |
771 | 767 |
772 | 768 |
773 } } // namespace v8::internal | 769 } } // namespace v8::internal |
774 | 770 |
775 #endif // V8_ARM_CONSTANTS_ARM_H_ | 771 #endif // V8_ARM_CONSTANTS_ARM_H_ |
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