1 /*
2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2016 SAP SE. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
3027 __ z_ogr(tmp2, tmp1);
3028
3029 __ bind(do_update);
3030 __ z_stg(tmp2, mdo_addr);
3031
3032 __ bind(next);
3033 }
3034 }
3035
3036 void LIR_Assembler::emit_updatecrc32(LIR_OpUpdateCRC32* op) {
3037 assert(op->crc()->is_single_cpu(), "crc must be register");
3038 assert(op->val()->is_single_cpu(), "byte value must be register");
3039 assert(op->result_opr()->is_single_cpu(), "result must be register");
3040 Register crc = op->crc()->as_register();
3041 Register val = op->val()->as_register();
3042 Register res = op->result_opr()->as_register();
3043
3044 assert_different_registers(val, crc, res);
3045
3046 __ load_const_optimized(res, StubRoutines::crc_table_addr());
3047 __ not_(crc, noreg, false); // ~crc
3048 __ update_byte_crc32(crc, val, res);
3049 __ not_(res, crc, false); // ~crc
3050 }
3051
3052 #undef __
|
1 /*
2 * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2016, 2017, SAP SE. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
3027 __ z_ogr(tmp2, tmp1);
3028
3029 __ bind(do_update);
3030 __ z_stg(tmp2, mdo_addr);
3031
3032 __ bind(next);
3033 }
3034 }
3035
3036 void LIR_Assembler::emit_updatecrc32(LIR_OpUpdateCRC32* op) {
3037 assert(op->crc()->is_single_cpu(), "crc must be register");
3038 assert(op->val()->is_single_cpu(), "byte value must be register");
3039 assert(op->result_opr()->is_single_cpu(), "result must be register");
3040 Register crc = op->crc()->as_register();
3041 Register val = op->val()->as_register();
3042 Register res = op->result_opr()->as_register();
3043
3044 assert_different_registers(val, crc, res);
3045
3046 __ load_const_optimized(res, StubRoutines::crc_table_addr());
3047 __ kernel_crc32_singleByteReg(crc, val, res, true);
3048 __ z_lgfr(res, crc);
3049 }
3050
3051 #undef __
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