Tue, 18 Jun 2019 09:33:34 -0400
8185979: PPC64: Implement SHA2 intrinsic
Reviewed-by: mdoerr, goetz
Contributed-by: Bruno Rosa <bruno.rosa@eldorado.org.br>, Gustavo Serra Scalet <gustavo.scalet@eldorado.org.br>, Igor Nunes <igor.nunes@eldorado.org.br>, Martin Doerr <martin.doerr@sap.com>
1 /*
2 * Copyright (c) 2002, 2018, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2012, 2018 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.
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24 */
26 #ifndef CPU_PPC_VM_STUBROUTINES_PPC_64_HPP
27 #define CPU_PPC_VM_STUBROUTINES_PPC_64_HPP
29 // This file holds the platform specific parts of the StubRoutines
30 // definition. See stubRoutines.hpp for a description on how to
31 // extend it.
33 static bool returns_to_call_stub(address return_pc) { return return_pc == _call_stub_return_address; }
35 enum platform_dependent_constants {
36 code_size1 = 20000, // simply increase if too small (assembler will crash if too small)
37 code_size2 = 22000 // simply increase if too small (assembler will crash if too small)
38 };
40 // CRC32 Intrinsics.
41 #define CRC32_COLUMN_SIZE 256
42 #define CRC32_BYFOUR
43 #ifdef CRC32_BYFOUR
44 #define CRC32_TABLES 8
45 #else
46 #define CRC32_TABLES 1
47 #endif
48 #define CRC32_CONSTANTS_SIZE 1084
49 #define CRC32_BARRET_CONSTANTS 10
51 class ppc64 {
52 friend class StubGenerator;
54 private:
56 // CRC32 Intrinsics.
57 static juint _crc_table[CRC32_TABLES][CRC32_COLUMN_SIZE];
58 static juint* _constants;
59 static juint* _barret_constants;
61 public:
63 // CRC32 Intrinsics.
64 static void generate_load_crc_table_addr(MacroAssembler* masm, Register table);
65 static void generate_load_crc_constants_addr(MacroAssembler* masm, Register table);
66 static void generate_load_crc_barret_constants_addr(MacroAssembler* masm, Register table);
67 static juint* generate_crc_constants();
68 static juint* generate_crc_barret_constants();
70 };
72 #endif // CPU_PPC_VM_STUBROUTINES_PPC_64_HPP