--- old/src/share/vm/runtime/arguments.cpp	2013-03-14 09:31:48.296728375 +0100
+++ new/src/share/vm/runtime/arguments.cpp	2013-03-14 09:31:48.172728381 +0100
@@ -2342,7 +2342,7 @@
       FLAG_SET_CMDLINE(uintx, MaxNewSize, (uintx)long_initial_eden_size);
       FLAG_SET_CMDLINE(uintx, NewSize, (uintx)long_initial_eden_size);
     // -Xms
-    } else if (match_option(option, "-Xms", &tail)) {
+    } else if (match_option(option, "-Xms", &tail) || match_option(option, "-XX:InitialHeapSize=", &tail)) {
       julong long_initial_heap_size = 0;
       ArgsRange errcode = parse_memory_size(tail, &long_initial_heap_size, 1);
       if (errcode != arg_in_range) {
@@ -2355,7 +2355,7 @@
       // Currently the minimum size and the initial heap sizes are the same.
       set_min_heap_size(InitialHeapSize);
     // -Xmx
-    } else if (match_option(option, "-Xmx", &tail)) {
+    } else if (match_option(option, "-Xmx", &tail) || match_option(option, "-XX:MaxHeapSize=", &tail)) {
       julong long_max_heap_size = 0;
       ArgsRange errcode = parse_memory_size(tail, &long_max_heap_size, 1);
       if (errcode != arg_in_range) {