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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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7380 __ LoadRoot(at, Heap::kUndefinedValueRootIndex); | 7380 __ LoadRoot(at, Heap::kUndefinedValueRootIndex); |
7381 __ Branch(&normal_sequence, eq, a2, Operand(at)); | 7381 __ Branch(&normal_sequence, eq, a2, Operand(at)); |
7382 __ lw(t1, FieldMemOperand(a2, Cell::kValueOffset)); | 7382 __ lw(t1, FieldMemOperand(a2, Cell::kValueOffset)); |
7383 __ lw(t1, FieldMemOperand(t1, 0)); | 7383 __ lw(t1, FieldMemOperand(t1, 0)); |
7384 __ LoadRoot(at, Heap::kAllocationSiteMapRootIndex); | 7384 __ LoadRoot(at, Heap::kAllocationSiteMapRootIndex); |
7385 __ Branch(&normal_sequence, ne, t1, Operand(at)); | 7385 __ Branch(&normal_sequence, ne, t1, Operand(at)); |
7386 | 7386 |
7387 // Save the resulting elements kind in type info | 7387 // Save the resulting elements kind in type info |
7388 __ SmiTag(a3); | 7388 __ SmiTag(a3); |
7389 __ lw(t1, FieldMemOperand(a2, Cell::kValueOffset)); | 7389 __ lw(t1, FieldMemOperand(a2, Cell::kValueOffset)); |
7390 __ sw(a3, FieldMemOperand(t1, AllocationSite::kPayloadOffset)); | 7390 __ sw(a3, FieldMemOperand(t1, AllocationSite::kTransitionInfoOffset)); |
7391 __ SmiUntag(a3); | 7391 __ SmiUntag(a3); |
7392 | 7392 |
7393 __ bind(&normal_sequence); | 7393 __ bind(&normal_sequence); |
7394 int last_index = GetSequenceIndexFromFastElementsKind( | 7394 int last_index = GetSequenceIndexFromFastElementsKind( |
7395 TERMINAL_FAST_ELEMENTS_KIND); | 7395 TERMINAL_FAST_ELEMENTS_KIND); |
7396 for (int i = 0; i <= last_index; ++i) { | 7396 for (int i = 0; i <= last_index; ++i) { |
7397 Label next; | 7397 Label next; |
7398 ElementsKind kind = GetFastElementsKindFromSequenceIndex(i); | 7398 ElementsKind kind = GetFastElementsKindFromSequenceIndex(i); |
7399 __ Branch(&next, ne, a3, Operand(kind)); | 7399 __ Branch(&next, ne, a3, Operand(kind)); |
7400 ArraySingleArgumentConstructorStub stub(kind); | 7400 ArraySingleArgumentConstructorStub stub(kind); |
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7493 | 7493 |
7494 // We should have an allocation site object | 7494 // We should have an allocation site object |
7495 if (FLAG_debug_code) { | 7495 if (FLAG_debug_code) { |
7496 __ push(a3); | 7496 __ push(a3); |
7497 __ sw(a3, FieldMemOperand(a3, 0)); | 7497 __ sw(a3, FieldMemOperand(a3, 0)); |
7498 __ LoadRoot(at, Heap::kAllocationSiteMapRootIndex); | 7498 __ LoadRoot(at, Heap::kAllocationSiteMapRootIndex); |
7499 __ Assert(eq, "Expected AllocationSite object in register a3", | 7499 __ Assert(eq, "Expected AllocationSite object in register a3", |
7500 a3, Operand(at)); | 7500 a3, Operand(at)); |
7501 } | 7501 } |
7502 | 7502 |
7503 __ lw(a3, FieldMemOperand(a3, AllocationSite::kPayloadOffset)); | 7503 __ lw(a3, FieldMemOperand(a3, AllocationSite::kTransitionInfoOffset)); |
7504 __ SmiUntag(a3); | 7504 __ SmiUntag(a3); |
7505 __ jmp(&switch_ready); | 7505 __ jmp(&switch_ready); |
7506 __ bind(&no_info); | 7506 __ bind(&no_info); |
7507 __ li(a3, Operand(GetInitialFastElementsKind())); | 7507 __ li(a3, Operand(GetInitialFastElementsKind())); |
7508 __ bind(&switch_ready); | 7508 __ bind(&switch_ready); |
7509 | 7509 |
7510 if (argument_count_ == ANY) { | 7510 if (argument_count_ == ANY) { |
7511 Label not_zero_case, not_one_case; | 7511 Label not_zero_case, not_one_case; |
7512 __ And(at, a0, a0); | 7512 __ And(at, a0, a0); |
7513 __ Branch(¬_zero_case, ne, at, Operand(zero_reg)); | 7513 __ Branch(¬_zero_case, ne, at, Operand(zero_reg)); |
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7612 __ bind(&fast_elements_case); | 7612 __ bind(&fast_elements_case); |
7613 GenerateCase(masm, FAST_ELEMENTS); | 7613 GenerateCase(masm, FAST_ELEMENTS); |
7614 } | 7614 } |
7615 | 7615 |
7616 | 7616 |
7617 #undef __ | 7617 #undef __ |
7618 | 7618 |
7619 } } // namespace v8::internal | 7619 } } // namespace v8::internal |
7620 | 7620 |
7621 #endif // V8_TARGET_ARCH_MIPS | 7621 #endif // V8_TARGET_ARCH_MIPS |
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