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1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 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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2603 } | 2603 } |
2604 | 2604 |
2605 | 2605 |
2606 Code::Flags Code::ComputeFlags(Kind kind, | 2606 Code::Flags Code::ComputeFlags(Kind kind, |
2607 InLoopFlag in_loop, | 2607 InLoopFlag in_loop, |
2608 InlineCacheState ic_state, | 2608 InlineCacheState ic_state, |
2609 ExtraICState extra_ic_state, | 2609 ExtraICState extra_ic_state, |
2610 PropertyType type, | 2610 PropertyType type, |
2611 int argc, | 2611 int argc, |
2612 InlineCacheHolderFlag holder) { | 2612 InlineCacheHolderFlag holder) { |
2613 // Extra IC state is only allowed for monomorphic call IC stubs. | 2613 // Extra IC state is only allowed for monomorphic call IC stubs |
| 2614 // or for store IC stubs. |
2614 ASSERT(extra_ic_state == kNoExtraICState || | 2615 ASSERT(extra_ic_state == kNoExtraICState || |
2615 (kind == CALL_IC && (ic_state == MONOMORPHIC || | 2616 (kind == CALL_IC && (ic_state == MONOMORPHIC || |
2616 ic_state == MONOMORPHIC_PROTOTYPE_FAILURE))); | 2617 ic_state == MONOMORPHIC_PROTOTYPE_FAILURE)) || |
| 2618 (kind == STORE_IC)); |
2617 // Compute the bit mask. | 2619 // Compute the bit mask. |
2618 int bits = kind << kFlagsKindShift; | 2620 int bits = kind << kFlagsKindShift; |
2619 if (in_loop) bits |= kFlagsICInLoopMask; | 2621 if (in_loop) bits |= kFlagsICInLoopMask; |
2620 bits |= ic_state << kFlagsICStateShift; | 2622 bits |= ic_state << kFlagsICStateShift; |
2621 bits |= type << kFlagsTypeShift; | 2623 bits |= type << kFlagsTypeShift; |
2622 bits |= extra_ic_state << kFlagsExtraICStateShift; | 2624 bits |= extra_ic_state << kFlagsExtraICStateShift; |
2623 bits |= argc << kFlagsArgumentsCountShift; | 2625 bits |= argc << kFlagsArgumentsCountShift; |
2624 if (holder == PROTOTYPE_MAP) bits |= kFlagsCacheInPrototypeMapMask; | 2626 if (holder == PROTOTYPE_MAP) bits |= kFlagsCacheInPrototypeMapMask; |
2625 // Cast to flags and validate result before returning it. | 2627 // Cast to flags and validate result before returning it. |
2626 Flags result = static_cast<Flags>(bits); | 2628 Flags result = static_cast<Flags>(bits); |
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3929 #undef WRITE_INT_FIELD | 3931 #undef WRITE_INT_FIELD |
3930 #undef READ_SHORT_FIELD | 3932 #undef READ_SHORT_FIELD |
3931 #undef WRITE_SHORT_FIELD | 3933 #undef WRITE_SHORT_FIELD |
3932 #undef READ_BYTE_FIELD | 3934 #undef READ_BYTE_FIELD |
3933 #undef WRITE_BYTE_FIELD | 3935 #undef WRITE_BYTE_FIELD |
3934 | 3936 |
3935 | 3937 |
3936 } } // namespace v8::internal | 3938 } } // namespace v8::internal |
3937 | 3939 |
3938 #endif // V8_OBJECTS_INL_H_ | 3940 #endif // V8_OBJECTS_INL_H_ |
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