- Reordered the instructions in the inlined allocation code to space dependen...

src/ia32/macro-assembler-ia32.cc

Index: src/ia32/macro-assembler-ia32.cc
===================================================================
--- src/ia32/macro-assembler-ia32.cc	(revision 3519)
+++ src/ia32/macro-assembler-ia32.cc	(working copy)
@@ -729,13 +729,13 @@
   cmp(result_end, Operand::StaticVariable(new_space_allocation_limit));
   j(above, gc_required, not_taken);
 
-  // Update allocation top.
-  UpdateAllocationTopHelper(result_end, scratch);
-
   // Tag result if requested.
   if ((flags & TAG_OBJECT) != 0) {
-    or_(Operand(result), Immediate(kHeapObjectTag));
+    lea(result, Operand(result, kHeapObjectTag));
   }
+
+  // Update allocation top.
+  UpdateAllocationTopHelper(result_end, scratch);
 }
 
 
@@ -759,13 +759,13 @@
   cmp(result_end, Operand::StaticVariable(new_space_allocation_limit));
   j(above, gc_required);
 
-  // Update allocation top.
-  UpdateAllocationTopHelper(result_end, scratch);
-
   // Tag result if requested.
   if ((flags & TAG_OBJECT) != 0) {
-    or_(Operand(result), Immediate(kHeapObjectTag));
+    lea(result, Operand(result, kHeapObjectTag));
   }
+
+  // Update allocation top.
+  UpdateAllocationTopHelper(result_end, scratch);
 }
 
 
@@ -790,13 +790,13 @@
   cmp(result_end, Operand::StaticVariable(new_space_allocation_limit));
   j(above, gc_required, not_taken);
 
-  // Update allocation top.
-  UpdateAllocationTopHelper(result_end, scratch);
-
   // Tag result if requested.
   if ((flags & TAG_OBJECT) != 0) {
-    or_(Operand(result), Immediate(kHeapObjectTag));
+    lea(result, Operand(result, kHeapObjectTag));
   }
+
+  // Update allocation top.
+  UpdateAllocationTopHelper(result_end, scratch);
 }