From: hpayer <hpayer@chromium.org>
Date: Wed, 6 May 2015 15:47:27 +0000 (-0700)
Subject: Only double align in scavenger on non-64 bit platforms.
X-Git-Tag: upstream/4.7.83~2773
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ba6d917457410ac217ff4c758edc651e2c04ef26;p=platform%2Fupstream%2Fv8.git

Only double align in scavenger on non-64 bit platforms.

BUG=chromium:436911
LOG=n

Review URL: https://codereview.chromium.org/1128923002

Cr-Commit-Position: refs/heads/master@{#28267}
---

diff --git a/src/heap/heap.cc b/src/heap/heap.cc
index 22029d6..e7f7283 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)) {