Move stack check into AllocateStackSlots so the load delay can be...

src/arm/virtual-frame-arm.cc

Index: src/arm/virtual-frame-arm.cc
===================================================================
--- src/arm/virtual-frame-arm.cc	(revision 2780)
+++ src/arm/virtual-frame-arm.cc	(working copy)
@@ -141,10 +141,24 @@
     Adjust(count);
       // Initialize stack slots with 'undefined' value.
     __ LoadRoot(ip, Heap::kUndefinedValueRootIndex);
-    for (int i = 0; i < count; i++) {
-      __ push(ip);
-    }
   }
+  if (FLAG_check_stack) {
+    __ LoadRoot(r2, Heap::kStackLimitRootIndex);
+  }
+  for (int i = 0; i < count; i++) {
+    __ push(ip);
+  }
+  if (FLAG_check_stack) {
+    masm()->add(lr, pc, Operand(4));
+    masm()->cmp(sp, Operand(r2));
+    StackCheckStub stub;
+    // Call the stub if lower.
+    masm()->mov(pc,
+                Operand(reinterpret_cast<intptr_t>(stub.GetCode().location()),
+                        RelocInfo::CODE_TARGET),
+                LeaveCC,
+                lo);
+  }
 }