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Issue 149413010: A64: Synchronize with r16024. (Closed) Base URL: https://v8.googlecode.com/svn/branches/experimental/a64
Patch Set: Created 6 years, 10 months ago
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1 // Copyright 2013 the V8 project authors. All rights reserved. 1 // Copyright 2013 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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3443 Label slow, check_heap_number, miss_force_generic; 3443 Label slow, check_heap_number, miss_force_generic;
3444 3444
3445 // Register usage. 3445 // Register usage.
3446 Register value = x0; 3446 Register value = x0;
3447 Register key = x1; 3447 Register key = x1;
3448 Register receiver = x2; 3448 Register receiver = x2;
3449 3449
3450 // This stub is meant to be tail-jumped to, the receiver must already 3450 // This stub is meant to be tail-jumped to, the receiver must already
3451 // have been verified by the caller to not be a smi. 3451 // have been verified by the caller to not be a smi.
3452 if (__ emit_debug_code()) { 3452 if (__ emit_debug_code()) {
3453 Label ok; 3453 __ AssertNotSmi(receiver);
3454 __ JumpIfNotSmi(receiver, &ok);
3455 __ Abort("KeyedStoreStubCompiler::GenerateStoreExternalArray: "
3456 "receiver is a SMI\n");
3457 __ Bind(&ok);
3458 } 3454 }
3459 3455
3460 // Check that the key is a smi or a heap number convertible to a smi. 3456 // Check that the key is a smi or a heap number convertible to a smi.
3461 GenerateSmiKeyCheck(masm, key, x10, d16, d17, &miss_force_generic); 3457 GenerateSmiKeyCheck(masm, key, x10, d16, d17, &miss_force_generic);
3462 3458
3463 Register elements = x3; 3459 Register elements = x3;
3464 __ Ldr(elements, FieldMemOperand(receiver, JSObject::kElementsOffset)); 3460 __ Ldr(elements, FieldMemOperand(receiver, JSObject::kElementsOffset));
3465 3461
3466 Register key_raw = x4; 3462 Register key_raw = x4;
3467 __ SmiUntag(key_raw, key); 3463 __ SmiUntag(key_raw, key);
(...skipping 77 matching lines...) Expand 10 before | Expand all | Expand 10 after
3545 Label miss_force_generic, transition_elements_kind, grow, slow; 3541 Label miss_force_generic, transition_elements_kind, grow, slow;
3546 Label finish_store, check_capacity; 3542 Label finish_store, check_capacity;
3547 3543
3548 Register value = x0; 3544 Register value = x0;
3549 Register key = x1; 3545 Register key = x1;
3550 Register receiver = x2; 3546 Register receiver = x2;
3551 3547
3552 // This stub is meant to be tail-jumped to, the receiver must already 3548 // This stub is meant to be tail-jumped to, the receiver must already
3553 // have been verified by the caller to not be a smi. 3549 // have been verified by the caller to not be a smi.
3554 if (__ emit_debug_code()) { 3550 if (__ emit_debug_code()) {
3555 Label ok; 3551 __ AssertNotSmi(receiver);
3556 __ JumpIfNotSmi(receiver, &ok);
3557 __ Abort("GenerateStoreFastSmiOrDoubleElement: receiver is a SMI\n");
3558 __ Bind(&ok);
3559 } 3552 }
3560 3553
3561 // Check that the key is a smi or a heap number convertible to a smi. 3554 // Check that the key is a smi or a heap number convertible to a smi.
3562 GenerateSmiKeyCheck(masm, key, x10, d16, d17, &miss_force_generic); 3555 GenerateSmiKeyCheck(masm, key, x10, d16, d17, &miss_force_generic);
3563 3556
3564 if (!store_double && IsFastSmiElementsKind(elements_kind)) { 3557 if (!store_double && IsFastSmiElementsKind(elements_kind)) {
3565 __ JumpIfNotSmi(value, &transition_elements_kind); 3558 __ JumpIfNotSmi(value, &transition_elements_kind);
3566 } 3559 }
3567 3560
3568 Register elements = x3; 3561 Register elements = x3;
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3640 // Check that 'elements' and 'length' are pre-loaded. 3633 // Check that 'elements' and 'length' are pre-loaded.
3641 __ Ldr(x10, FieldMemOperand(receiver, JSObject::kElementsOffset)); 3634 __ Ldr(x10, FieldMemOperand(receiver, JSObject::kElementsOffset));
3642 __ Cmp(x10, x3); 3635 __ Cmp(x10, x3);
3643 __ Ldr(x11, FieldMemOperand(receiver, JSArray::kLengthOffset)); 3636 __ Ldr(x11, FieldMemOperand(receiver, JSArray::kLengthOffset));
3644 __ Ccmp(x11, x4, NoFlag, eq); 3637 __ Ccmp(x11, x4, NoFlag, eq);
3645 3638
3646 // Check that the key is equal to length, so we need to extend the array 3639 // Check that the key is equal to length, so we need to extend the array
3647 // by one element. 3640 // by one element.
3648 __ Ccmp(x1, x4, NoFlag, eq); 3641 __ Ccmp(x1, x4, NoFlag, eq);
3649 3642
3650 __ Check(eq, "GenerateStoreFastSmiOrDoubleElement [grow]: " 3643 __ Check(eq, kPreconditionsWereNotMet);
3651 "Preconditions were not met.");
3652 } 3644 }
3653 3645
3654 __ JumpIfNotRoot(elements, Heap::kEmptyFixedArrayRootIndex, 3646 __ JumpIfNotRoot(elements, Heap::kEmptyFixedArrayRootIndex,
3655 &check_capacity); 3647 &check_capacity);
3656 3648
3657 // The array is currently empty, so allocate a new backing store. 3649 // The array is currently empty, so allocate a new backing store.
3658 int size = FixedArray::SizeFor(JSArray::kPreallocatedArrayElements); 3650 int size = FixedArray::SizeFor(JSArray::kPreallocatedArrayElements);
3659 __ Allocate(size, elements, x10, x11, &slow, TAG_OBJECT); 3651 __ Allocate(size, elements, x10, x11, &slow, TAG_OBJECT);
3660 Heap::RootListIndex root_index = store_double 3652 Heap::RootListIndex root_index = store_double
3661 ? Heap::kFixedDoubleArrayMapRootIndex 3653 ? Heap::kFixedDoubleArrayMapRootIndex
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3759 // ----------- S t a t e ------------- 3751 // ----------- S t a t e -------------
3760 3752
3761 GenerateStoreFastSmiOrDoubleElement(masm, is_js_array, FAST_DOUBLE_ELEMENTS, 3753 GenerateStoreFastSmiOrDoubleElement(masm, is_js_array, FAST_DOUBLE_ELEMENTS,
3762 store_mode, true); 3754 store_mode, true);
3763 } 3755 }
3764 3756
3765 3757
3766 } } // namespace v8::internal 3758 } } // namespace v8::internal
3767 3759
3768 #endif // V8_TARGET_ARCH_A64 3760 #endif // V8_TARGET_ARCH_A64
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