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/*
* Copyright (c) 2002, 2018, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2012, 2018 SAP SE. 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.
*
*/
#ifndef CPU_PPC_VM_STUBROUTINES_PPC_64_HPP
#define CPU_PPC_VM_STUBROUTINES_PPC_64_HPP
// This file holds the platform specific parts of the StubRoutines
// definition. See stubRoutines.hpp for a description on how to
// extend it.
static bool returns_to_call_stub(address return_pc) { return return_pc == _call_stub_return_address; }
enum platform_dependent_constants {
code_size1 = 20000, // simply increase if too small (assembler will crash if too small)
code_size2 = 20000 // simply increase if too small (assembler will crash if too small)
};
// CRC32 Intrinsics.
#define CRC32_COLUMN_SIZE 256
#define CRC32_BYFOUR
#ifdef CRC32_BYFOUR
#define CRC32_TABLES 8
#else
#define CRC32_TABLES 1
#endif
#define CRC32_CONSTANTS_SIZE 1084
#define CRC32_BARRET_CONSTANTS 10
class ppc64 {
friend class StubGenerator;
private:
// CRC32 Intrinsics.
static juint _crc_table[CRC32_TABLES][CRC32_COLUMN_SIZE];
static juint* _constants;
static juint* _barret_constants;
public:
// CRC32 Intrinsics.
static void generate_load_crc_table_addr(MacroAssembler* masm, Register table);
static void generate_load_crc_constants_addr(MacroAssembler* masm, Register table);
static void generate_load_crc_barret_constants_addr(MacroAssembler* masm, Register table);
static juint* generate_crc_constants();
static juint* generate_crc_barret_constants();
};
#endif // CPU_PPC_VM_STUBROUTINES_PPC_64_HPP
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