diff -r eba1d5bce9e8 -r 8c92982cbbc4 src/share/vm/opto/c2_globals.hpp
--- a/src/share/vm/opto/c2_globals.hpp	Thu Jun 14 14:59:52 2012 -0700
+++ b/src/share/vm/opto/c2_globals.hpp	Fri Jun 15 01:25:19 2012 -0700
@@ -81,6 +81,13 @@
   product(intx, MaxLoopPad, (OptoLoopAlignment-1),                          \
           "Align a loop if padding size in bytes is less or equal to this value") \
                                                                             \
+  product(intx, MaxVectorSize, 32,                                          \
+          "Max vector size in bytes, "                                      \
+          "actual size could be less depending on elements type")           \
+                                                                            \
+  product(bool, AlignVector, false,                                         \
+          "Perform vector store/load alignment in loop")                    \
+                                                                            \
   product(intx, NumberOfLoopInstrToAlign, 4,                                \
           "Number of first instructions in a loop to align")                \
                                                                             \