--- old/src/cpu/sparc/vm/templateTable_sparc.cpp	2011-03-11 15:50:35.929000000 -0800
+++ new/src/cpu/sparc/vm/templateTable_sparc.cpp	2011-03-11 15:50:35.701250000 -0800
@@ -57,7 +57,11 @@
     case BarrierSet::G1SATBCT:
     case BarrierSet::G1SATBCTLogging:
       {
-        __ g1_write_barrier_pre( base, index, offset, tmp, /*preserve_o_regs*/true);
+        // Load and record the previous value.
+        __ g1_write_barrier_pre(base, index, offset, 
+                                noreg /* pre_val */, 
+                                tmp, true /*preserve_o_regs*/);
+
         if (index == noreg ) {
           assert(Assembler::is_simm13(offset), "fix this code");
           __ store_heap_oop(val, base, offset);