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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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320 Register scratch1, | 320 Register scratch1, |
321 Register scratch2, | 321 Register scratch2, |
322 Label* miss) { | 322 Label* miss) { |
323 Label check_wrapper; | 323 Label check_wrapper; |
324 | 324 |
325 // Check if the object is a string leaving the instance type in the | 325 // Check if the object is a string leaving the instance type in the |
326 // scratch register. | 326 // scratch register. |
327 GenerateStringCheck(masm, receiver, scratch1, miss, &check_wrapper); | 327 GenerateStringCheck(masm, receiver, scratch1, miss, &check_wrapper); |
328 | 328 |
329 // Load length directly from the string. | 329 // Load length directly from the string. |
330 __ movq(rax, FieldOperand(receiver, String::kLengthOffset)); | 330 __ movl(rax, FieldOperand(receiver, String::kLengthOffset)); |
| 331 __ Integer32ToSmi(rax, rax); |
331 __ ret(0); | 332 __ ret(0); |
332 | 333 |
333 // Check if the object is a JSValue wrapper. | 334 // Check if the object is a JSValue wrapper. |
334 __ bind(&check_wrapper); | 335 __ bind(&check_wrapper); |
335 __ cmpl(scratch1, Immediate(JS_VALUE_TYPE)); | 336 __ cmpl(scratch1, Immediate(JS_VALUE_TYPE)); |
336 __ j(not_equal, miss); | 337 __ j(not_equal, miss); |
337 | 338 |
338 // Check if the wrapped value is a string and load the length | 339 // Check if the wrapped value is a string and load the length |
339 // directly if it is. | 340 // directly if it is. |
340 __ movq(scratch2, FieldOperand(receiver, JSValue::kValueOffset)); | 341 __ movq(scratch2, FieldOperand(receiver, JSValue::kValueOffset)); |
341 GenerateStringCheck(masm, scratch2, scratch1, miss, miss); | 342 GenerateStringCheck(masm, scratch2, scratch1, miss, miss); |
342 __ movq(rax, FieldOperand(scratch2, String::kLengthOffset)); | 343 __ movl(rax, FieldOperand(scratch2, String::kLengthOffset)); |
| 344 __ Integer32ToSmi(rax, rax); |
343 __ ret(0); | 345 __ ret(0); |
344 } | 346 } |
345 | 347 |
346 | 348 |
347 static void CompileCallLoadPropertyWithInterceptor(MacroAssembler* masm, | 349 static void CompileCallLoadPropertyWithInterceptor(MacroAssembler* masm, |
348 Register receiver, | 350 Register receiver, |
349 Register holder, | 351 Register holder, |
350 Register name, | 352 Register name, |
351 JSObject* holder_obj) { | 353 JSObject* holder_obj) { |
352 PushInterceptorArguments(masm, receiver, holder, name, holder_obj); | 354 PushInterceptorArguments(masm, receiver, holder, name, holder_obj); |
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2020 __ Jump(generic_construct_stub, RelocInfo::CODE_TARGET); | 2022 __ Jump(generic_construct_stub, RelocInfo::CODE_TARGET); |
2021 | 2023 |
2022 // Return the generated code. | 2024 // Return the generated code. |
2023 return GetCode(); | 2025 return GetCode(); |
2024 } | 2026 } |
2025 | 2027 |
2026 | 2028 |
2027 #undef __ | 2029 #undef __ |
2028 | 2030 |
2029 } } // namespace v8::internal | 2031 } } // namespace v8::internal |
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