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1 // Copyright 2009 the V8 project authors. All rights reserved. | 1 // Copyright 2009 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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303 __ bind(&function); | 303 __ bind(&function); |
304 } | 304 } |
305 | 305 |
306 // 5b. Get the code to call from the function and check that the number of | 306 // 5b. Get the code to call from the function and check that the number of |
307 // expected arguments matches what we're providing. If so, jump | 307 // expected arguments matches what we're providing. If so, jump |
308 // (tail-call) to the code in register edx without checking arguments. | 308 // (tail-call) to the code in register edx without checking arguments. |
309 __ movq(rdx, FieldOperand(rdi, JSFunction::kSharedFunctionInfoOffset)); | 309 __ movq(rdx, FieldOperand(rdi, JSFunction::kSharedFunctionInfoOffset)); |
310 __ movsxlq(rbx, | 310 __ movsxlq(rbx, |
311 FieldOperand(rdx, | 311 FieldOperand(rdx, |
312 SharedFunctionInfo::kFormalParameterCountOffset)); | 312 SharedFunctionInfo::kFormalParameterCountOffset)); |
313 __ movq(rdx, FieldOperand(rdi, JSFunction::kCodeOffset)); | 313 __ movq(rdx, FieldOperand(rdi, JSFunction::kCodeEntryOffset)); |
314 __ lea(rdx, FieldOperand(rdx, Code::kHeaderSize)); | |
315 __ cmpq(rax, rbx); | 314 __ cmpq(rax, rbx); |
316 __ j(not_equal, | 315 __ j(not_equal, |
317 Handle<Code>(builtin(ArgumentsAdaptorTrampoline)), | 316 Handle<Code>(builtin(ArgumentsAdaptorTrampoline)), |
318 RelocInfo::CODE_TARGET); | 317 RelocInfo::CODE_TARGET); |
319 | 318 |
320 ParameterCount expected(0); | 319 ParameterCount expected(0); |
321 __ InvokeCode(rdx, expected, expected, JUMP_FUNCTION); | 320 __ InvokeCode(rdx, expected, expected, JUMP_FUNCTION); |
322 } | 321 } |
323 | 322 |
324 | 323 |
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1307 __ LeaveInternalFrame(); | 1306 __ LeaveInternalFrame(); |
1308 | 1307 |
1309 // Do a tail-call of the compiled function. | 1308 // Do a tail-call of the compiled function. |
1310 __ lea(rcx, FieldOperand(rax, Code::kHeaderSize)); | 1309 __ lea(rcx, FieldOperand(rax, Code::kHeaderSize)); |
1311 __ jmp(rcx); | 1310 __ jmp(rcx); |
1312 } | 1311 } |
1313 | 1312 |
1314 } } // namespace v8::internal | 1313 } } // namespace v8::internal |
1315 | 1314 |
1316 #endif // V8_TARGET_ARCH_X64 | 1315 #endif // V8_TARGET_ARCH_X64 |
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