Reviewers: jochen,
Description:
Only double align in scavenger on non-64 bit platforms.
BUG=
Please review this at https://codereview.chromium.org/1128923002/
Base URL: https://chromium.googlesource.com/v8/v8.git@master
Affected files (+8, -0 lines):
M src/heap/heap.cc
Index: src/heap/heap.cc
diff --git a/src/heap/heap.cc b/src/heap/heap.cc
index
22029d63c41a387a44d92cd1d15b8ece61332c3c..e7f728361af8ad2ffe5b4988c5ee78dc3d3aeade
100644
--- a/src/heap/heap.cc
+++ b/src/heap/heap.cc
@@ -2105,11 +2105,15 @@ class ScavengingVisitor : public StaticVisitorBase {
DCHECK(heap->AllowedToBeMigrated(object, NEW_SPACE));
AllocationResult allocation;
+#ifndef V8_HOST_ARCH_64_BIT
if (alignment == kDoubleAlignment) {
allocation =
heap->new_space()->AllocateRawDoubleAligned(object_size);
} else {
allocation = heap->new_space()->AllocateRaw(object_size);
}
+#else
+ allocation = heap->new_space()->AllocateRaw(object_size);
+#endif
HeapObject* target = NULL; // Initialization to please compiler.
if (allocation.To(&target)) {
@@ -2137,11 +2141,15 @@ class ScavengingVisitor : public StaticVisitorBase {
Heap* heap = map->GetHeap();
AllocationResult allocation;
+#ifndef V8_HOST_ARCH_64_BIT
if (alignment == kDoubleAlignment) {
allocation =
heap->old_space()->AllocateRawDoubleAligned(object_size);
} else {
allocation = heap->old_space()->AllocateRaw(object_size);
}
+#else
+ allocation = heap->old_space()->AllocateRaw(object_size);
+#endif
HeapObject* target = NULL; // Initialization to please compiler.
if (allocation.To(&target)) {
--
--
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