src/cpu/sparc/vm/c1_Runtime1_sparc.cpp
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@@ -1,7 +1,7 @@
/*
- * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2017, 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.
@@ -854,18 +854,32 @@
Register pre_val = G4;
Register tmp = G1_scratch;
Register tmp2 = G3_scratch;
Label refill, restart;
- bool with_frame = false; // I don't know if we can do with-frame.
+ int satb_q_active_byte_offset =
+ in_bytes(JavaThread::satb_mark_queue_offset() +
+ SATBMarkQueue::byte_offset_of_active());
int satb_q_index_byte_offset =
in_bytes(JavaThread::satb_mark_queue_offset() +
SATBMarkQueue::byte_offset_of_index());
int satb_q_buf_byte_offset =
in_bytes(JavaThread::satb_mark_queue_offset() +
SATBMarkQueue::byte_offset_of_buf());
+ // Is marking still active?
+ if (in_bytes(SATBMarkQueue::byte_width_of_active()) == 4) {
+ __ ld(G2_thread, satb_q_active_byte_offset, tmp);
+ } else {
+ assert(in_bytes(SATBMarkQueue::byte_width_of_active()) == 1,
+ "Assumption");
+ __ ldsb(G2_thread, satb_q_active_byte_offset, tmp);
+ }
+ __ cmp_and_br_short(tmp, G0, Assembler::notEqual, Assembler::pt, restart);
+ __ retl();
+ __ delayed()->nop();
+
__ bind(restart);
// Load the index into the SATB buffer. SATBMarkQueue::_index is a
// size_t so ld_ptr is appropriate
__ ld_ptr(G2_thread, satb_q_index_byte_offset, tmp);