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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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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332 // Handle construction of an empty array. | 332 // Handle construction of an empty array. |
333 __ bind(&empty_array); | 333 __ bind(&empty_array); |
334 AllocateEmptyJSArray(masm, | 334 AllocateEmptyJSArray(masm, |
335 a1, | 335 a1, |
336 a2, | 336 a2, |
337 a3, | 337 a3, |
338 t0, | 338 t0, |
339 t1, | 339 t1, |
340 call_generic_code); | 340 call_generic_code); |
341 __ IncrementCounter(counters->array_function_native(), 1, a3, t0); | 341 __ IncrementCounter(counters->array_function_native(), 1, a3, t0); |
342 // Setup return value, remove receiver from stack and return. | 342 // Set up return value, remove receiver from stack and return. |
343 __ mov(v0, a2); | 343 __ mov(v0, a2); |
344 __ Addu(sp, sp, Operand(kPointerSize)); | 344 __ Addu(sp, sp, Operand(kPointerSize)); |
345 __ Ret(); | 345 __ Ret(); |
346 | 346 |
347 // Check for one argument. Bail out if argument is not smi or if it is | 347 // Check for one argument. Bail out if argument is not smi or if it is |
348 // negative. | 348 // negative. |
349 __ bind(&argc_one_or_more); | 349 __ bind(&argc_one_or_more); |
350 __ Branch(&argc_two_or_more, ne, a0, Operand(1)); | 350 __ Branch(&argc_two_or_more, ne, a0, Operand(1)); |
351 | 351 |
352 STATIC_ASSERT(kSmiTag == 0); | 352 STATIC_ASSERT(kSmiTag == 0); |
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375 a2, | 375 a2, |
376 a3, | 376 a3, |
377 t0, | 377 t0, |
378 t1, | 378 t1, |
379 t2, | 379 t2, |
380 t3, | 380 t3, |
381 true, | 381 true, |
382 call_generic_code); | 382 call_generic_code); |
383 __ IncrementCounter(counters->array_function_native(), 1, a2, t0); | 383 __ IncrementCounter(counters->array_function_native(), 1, a2, t0); |
384 | 384 |
385 // Setup return value, remove receiver and argument from stack and return. | 385 // Set up return value, remove receiver and argument from stack and return. |
386 __ mov(v0, a3); | 386 __ mov(v0, a3); |
387 __ Addu(sp, sp, Operand(2 * kPointerSize)); | 387 __ Addu(sp, sp, Operand(2 * kPointerSize)); |
388 __ Ret(); | 388 __ Ret(); |
389 | 389 |
390 // Handle construction of an array from a list of arguments. | 390 // Handle construction of an array from a list of arguments. |
391 __ bind(&argc_two_or_more); | 391 __ bind(&argc_two_or_more); |
392 __ sll(a2, a0, kSmiTagSize); // Convert argc to a smi. | 392 __ sll(a2, a0, kSmiTagSize); // Convert argc to a smi. |
393 | 393 |
394 // a0: argc | 394 // a0: argc |
395 // a1: constructor | 395 // a1: constructor |
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974 | 974 |
975 // Reload the number of arguments from the stack. | 975 // Reload the number of arguments from the stack. |
976 // a1: constructor function | 976 // a1: constructor function |
977 // sp[0]: receiver | 977 // sp[0]: receiver |
978 // sp[1]: constructor function | 978 // sp[1]: constructor function |
979 // sp[2]: receiver | 979 // sp[2]: receiver |
980 // sp[3]: constructor function | 980 // sp[3]: constructor function |
981 // sp[4]: number of arguments (smi-tagged) | 981 // sp[4]: number of arguments (smi-tagged) |
982 __ lw(a3, MemOperand(sp, 4 * kPointerSize)); | 982 __ lw(a3, MemOperand(sp, 4 * kPointerSize)); |
983 | 983 |
984 // Setup pointer to last argument. | 984 // Set up pointer to last argument. |
985 __ Addu(a2, fp, Operand(StandardFrameConstants::kCallerSPOffset)); | 985 __ Addu(a2, fp, Operand(StandardFrameConstants::kCallerSPOffset)); |
986 | 986 |
987 // Setup number of arguments for function call below. | 987 // Set up number of arguments for function call below. |
988 __ srl(a0, a3, kSmiTagSize); | 988 __ srl(a0, a3, kSmiTagSize); |
989 | 989 |
990 // Copy arguments and receiver to the expression stack. | 990 // Copy arguments and receiver to the expression stack. |
991 // a0: number of arguments | 991 // a0: number of arguments |
992 // a1: constructor function | 992 // a1: constructor function |
993 // a2: address of last argument (caller sp) | 993 // a2: address of last argument (caller sp) |
994 // a3: number of arguments (smi-tagged) | 994 // a3: number of arguments (smi-tagged) |
995 // sp[0]: receiver | 995 // sp[0]: receiver |
996 // sp[1]: constructor function | 996 // sp[1]: constructor function |
997 // sp[2]: receiver | 997 // sp[2]: receiver |
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1811 __ bind(&dont_adapt_arguments); | 1811 __ bind(&dont_adapt_arguments); |
1812 __ Jump(a3); | 1812 __ Jump(a3); |
1813 } | 1813 } |
1814 | 1814 |
1815 | 1815 |
1816 #undef __ | 1816 #undef __ |
1817 | 1817 |
1818 } } // namespace v8::internal | 1818 } } // namespace v8::internal |
1819 | 1819 |
1820 #endif // V8_TARGET_ARCH_MIPS | 1820 #endif // V8_TARGET_ARCH_MIPS |
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