--- old/src/cpu/x86/vm/stubRoutines_x86.cpp	2016-04-21 10:12:29.327011300 -0700
+++ new/src/cpu/x86/vm/stubRoutines_x86.cpp	2016-04-21 10:12:29.082011300 -0700
@@ -46,6 +46,9 @@
 address StubRoutines::x86::_upper_word_mask_addr = NULL;
 address StubRoutines::x86::_shuffle_byte_flip_mask_addr = NULL;
 address StubRoutines::x86::_k256_adr = NULL;
+#ifdef _LP64
+address StubRoutines::x86::_k256_W_adr = NULL;
+#endif
 address StubRoutines::x86::_pshuffle_byte_flip_mask_addr = NULL;
 
 //tables common for sin and cos
@@ -289,3 +292,9 @@
     0x748f82eeUL, 0x78a5636fUL, 0x84c87814UL, 0x8cc70208UL,
     0x90befffaUL, 0xa4506cebUL, 0xbef9a3f7UL, 0xc67178f2UL
 };
+
+#ifdef _LP64
+// used in MacroAssembler::sha256_AVX2
+// dynamically built from _k256
+ALIGNED_(64) juint StubRoutines::x86::_k256_W[2*sizeof(StubRoutines::x86::_k256)];
+#endif