diff --git a/src/hotspot/cpu/sparc/gc/g1/g1BSCodeGen_sparc.cpp b/src/hotspot/cpu/sparc/gc/g1/g1BSCodeGen_sparc.cpp
new file mode 100644
index 0000000..68e73be
--- /dev/null
+++ b/src/hotspot/cpu/sparc/gc/g1/g1BSCodeGen_sparc.cpp
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#include "precompiled.hpp"
+#include "asm/macroAssembler.inline.hpp"
+#include "gc/g1/g1BarrierSet.hpp"
+#include "gc/g1/g1CardTable.hpp"
+#include "gc/g1/g1BSCodeGen.hpp"
+#include "gc/g1/heapRegion.hpp"
+#include "gc/shared/collectedHeap.hpp"
+#include "interpreter/interp_masm.hpp"
+#include "runtime/sharedRuntime.hpp"
+#include "runtime/thread.hpp"
+#include "utilities/macros.hpp"
+
+#define __ masm->
+
+void G1BSCodeGen::gen_write_ref_array_pre_barrier(MacroAssembler* masm, DecoratorSet decorators, Register addr, Register count) {
+  bool dest_uninitialized = (decorators & AS_DEST_NOT_INITIALIZED) != 0;
+  // With G1, don't generate the call if we statically know that the target in uninitialized
+  if (!dest_uninitialized) {
+    __ save_frame(0);
+    // Save the necessary global regs... will be used after.
+    if (addr->is_global()) {
+      __ mov(addr, L0);
+    }
+    if (count->is_global()) {
+      __ mov(count, L1);
+    }
+    __ mov(addr->after_save(), O0);
+    // Get the count into O1
+    address slowpath = UseCompressedOops ? CAST_FROM_FN_PTR(address, G1BarrierSet::write_ref_array_pre_narrow_oop_entry)
+                                         : CAST_FROM_FN_PTR(address, G1BarrierSet::write_ref_array_pre_oop_entry);
+    __ call(slowpath);
+    __ delayed()->mov(count->after_save(), O1);
+    if (addr->is_global()) {
+      __ mov(L0, addr);
+    }
+    if (count->is_global()) {
+      __ mov(L1, count);
+    }
+    __ restore();
+  }
+}
+
+void G1BSCodeGen::gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators, Register addr, Register count, Register tmp) {
+  // Get some new fresh output registers.
+  __ save_frame(0);
+  __ mov(addr->after_save(), O0);
+  __ call(CAST_FROM_FN_PTR(address, G1BarrierSet::write_ref_array_post_entry));
+  __ delayed()->mov(count->after_save(), O1);
+  __ restore();
+}