author | mdoerr |
Thu, 22 Sep 2016 12:17:24 +0200 | |
changeset 41334 | 8b28be7b8613 |
parent 40010 | e32d5e545789 |
child 46317 | 5f88747fe29e |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2002, 2016, Oracle and/or its affiliates. All rights reserved. |
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* Copyright (c) 2012, 2016 SAP SE. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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#ifndef CPU_PPC_VM_STUBROUTINES_PPC_HPP |
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#define CPU_PPC_VM_STUBROUTINES_PPC_HPP |
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// This file holds the platform specific parts of the StubRoutines |
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// definition. See stubRoutines.hpp for a description on how to |
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// extend it. |
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static bool returns_to_call_stub(address return_pc) { return return_pc == _call_stub_return_address; } |
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enum platform_dependent_constants { |
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code_size1 = 20000, // simply increase if too small (assembler will crash if too small) |
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code_size2 = 20000 // simply increase if too small (assembler will crash if too small) |
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}; |
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// CRC32 Intrinsics. |
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#define CRC32_COLUMN_SIZE 256 |
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#define CRC32_BYFOUR |
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#ifdef CRC32_BYFOUR |
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#define CRC32_TABLES 8 |
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#else |
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#define CRC32_TABLES 1 |
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#endif |
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#define CRC32_CONSTANTS_SIZE 1084 |
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#define CRC32_BARRET_CONSTANTS 10 |
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class ppc64 { |
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friend class StubGenerator; |
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private: |
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// CRC32 Intrinsics. |
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static juint _crc_table[CRC32_TABLES][CRC32_COLUMN_SIZE]; |
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static juint* _constants; |
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static juint* _barret_constants; |
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public: |
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// CRC32 Intrinsics. |
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static void generate_load_crc_table_addr(MacroAssembler* masm, Register table); |
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static void generate_load_crc_constants_addr(MacroAssembler* masm, Register table); |
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static void generate_load_crc_barret_constants_addr(MacroAssembler* masm, Register table); |
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static juint* generate_crc_constants(); |
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static juint* generate_crc_barret_constants(); |
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}; |
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#endif // CPU_PPC_VM_STUBROUTINES_PPC_HPP |