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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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266 Register receiver, | 266 Register receiver, |
267 Register scratch, | 267 Register scratch, |
268 Label* smi, | 268 Label* smi, |
269 Label* non_string_object) { | 269 Label* non_string_object) { |
270 // Check that the object isn't a smi. | 270 // Check that the object isn't a smi. |
271 __ JumpIfSmi(receiver, smi); | 271 __ JumpIfSmi(receiver, smi); |
272 | 272 |
273 // Check that the object is a string. | 273 // Check that the object is a string. |
274 __ mov(scratch, FieldOperand(receiver, HeapObject::kMapOffset)); | 274 __ mov(scratch, FieldOperand(receiver, HeapObject::kMapOffset)); |
275 __ movzx_b(scratch, FieldOperand(scratch, Map::kInstanceTypeOffset)); | 275 __ movzx_b(scratch, FieldOperand(scratch, Map::kInstanceTypeOffset)); |
276 ASSERT(kNotStringTag != 0); | 276 STATIC_ASSERT(kNotStringTag != 0); |
277 __ test(scratch, Immediate(kNotStringTag)); | 277 __ test(scratch, Immediate(kNotStringTag)); |
278 __ j(not_zero, non_string_object); | 278 __ j(not_zero, non_string_object); |
279 } | 279 } |
280 | 280 |
281 | 281 |
282 void StubCompiler::GenerateLoadStringLength(MacroAssembler* masm, | 282 void StubCompiler::GenerateLoadStringLength(MacroAssembler* masm, |
283 Register receiver, | 283 Register receiver, |
284 Register scratch1, | 284 Register scratch1, |
285 Register scratch2, | 285 Register scratch2, |
286 Label* miss, | 286 Label* miss, |
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3979 masm->isolate()->builtins()->KeyedStoreIC_MissForceGeneric(); | 3979 masm->isolate()->builtins()->KeyedStoreIC_MissForceGeneric(); |
3980 __ jmp(ic_force_generic, RelocInfo::CODE_TARGET); | 3980 __ jmp(ic_force_generic, RelocInfo::CODE_TARGET); |
3981 } | 3981 } |
3982 | 3982 |
3983 | 3983 |
3984 #undef __ | 3984 #undef __ |
3985 | 3985 |
3986 } } // namespace v8::internal | 3986 } } // namespace v8::internal |
3987 | 3987 |
3988 #endif // V8_TARGET_ARCH_IA32 | 3988 #endif // V8_TARGET_ARCH_IA32 |
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