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Side by Side Diff: src/heap/mark-compact.cc

Issue 2443573002: [compiler] Prepare for partially shipping Ignition. (Closed)
Patch Set: Rebased. Created 4 years, 1 month ago
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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 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "src/heap/mark-compact.h" 5 #include "src/heap/mark-compact.h"
6 6
7 #include "src/base/atomicops.h" 7 #include "src/base/atomicops.h"
8 #include "src/base/bits.h" 8 #include "src/base/bits.h"
9 #include "src/base/sys-info.h" 9 #include "src/base/sys-info.h"
10 #include "src/code-stubs.h" 10 #include "src/code-stubs.h"
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1628 inline void MigrateObject(HeapObject* dst, HeapObject* src, int size, 1628 inline void MigrateObject(HeapObject* dst, HeapObject* src, int size,
1629 AllocationSpace dest) { 1629 AllocationSpace dest) {
1630 Address dst_addr = dst->address(); 1630 Address dst_addr = dst->address();
1631 Address src_addr = src->address(); 1631 Address src_addr = src->address();
1632 DCHECK(heap_->AllowedToBeMigrated(src, dest)); 1632 DCHECK(heap_->AllowedToBeMigrated(src, dest));
1633 DCHECK(dest != LO_SPACE); 1633 DCHECK(dest != LO_SPACE);
1634 if (dest == OLD_SPACE) { 1634 if (dest == OLD_SPACE) {
1635 DCHECK_OBJECT_SIZE(size); 1635 DCHECK_OBJECT_SIZE(size);
1636 DCHECK(IsAligned(size, kPointerSize)); 1636 DCHECK(IsAligned(size, kPointerSize));
1637 heap_->CopyBlock(dst_addr, src_addr, size); 1637 heap_->CopyBlock(dst_addr, src_addr, size);
1638 if ((mode == kProfiled) && FLAG_ignition && dst->IsBytecodeArray()) { 1638 if ((mode == kProfiled) && dst->IsBytecodeArray()) {
1639 PROFILE(heap_->isolate(), 1639 PROFILE(heap_->isolate(),
1640 CodeMoveEvent(AbstractCode::cast(src), dst_addr)); 1640 CodeMoveEvent(AbstractCode::cast(src), dst_addr));
1641 } 1641 }
1642 RecordMigratedSlotVisitor visitor(heap_->mark_compact_collector()); 1642 RecordMigratedSlotVisitor visitor(heap_->mark_compact_collector());
1643 dst->IterateBodyFast(dst->map()->instance_type(), size, &visitor); 1643 dst->IterateBodyFast(dst->map()->instance_type(), size, &visitor);
1644 } else if (dest == CODE_SPACE) { 1644 } else if (dest == CODE_SPACE) {
1645 DCHECK_CODEOBJECT_SIZE(size, heap_->code_space()); 1645 DCHECK_CODEOBJECT_SIZE(size, heap_->code_space());
1646 if (mode == kProfiled) { 1646 if (mode == kProfiled) {
1647 PROFILE(heap_->isolate(), 1647 PROFILE(heap_->isolate(),
1648 CodeMoveEvent(AbstractCode::cast(src), dst_addr)); 1648 CodeMoveEvent(AbstractCode::cast(src), dst_addr));
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3894 // The target is always in old space, we don't have to record the slot in 3894 // The target is always in old space, we don't have to record the slot in
3895 // the old-to-new remembered set. 3895 // the old-to-new remembered set.
3896 DCHECK(!heap()->InNewSpace(target)); 3896 DCHECK(!heap()->InNewSpace(target));
3897 RecordRelocSlot(host, &rinfo, target); 3897 RecordRelocSlot(host, &rinfo, target);
3898 } 3898 }
3899 } 3899 }
3900 } 3900 }
3901 3901
3902 } // namespace internal 3902 } // namespace internal
3903 } // namespace v8 3903 } // namespace v8
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