diff -r 626aa0715fe4 -r e32d5e545789 hotspot/src/cpu/ppc/vm/stubRoutines_ppc.hpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/hotspot/src/cpu/ppc/vm/stubRoutines_ppc.hpp Wed Jul 13 12:23:05 2016 +0200 @@ -0,0 +1,64 @@ +/* + * Copyright (c) 2002, 2016, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2012, 2016 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_HPP +#define CPU_PPC_VM_STUBROUTINES_PPC_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 + +class ppc64 { + friend class StubGenerator; + + private: + + // CRC32 Intrinsics. + static juint _crc_table[CRC32_TABLES][CRC32_COLUMN_SIZE]; + + public: + + // CRC32 Intrinsics. + static void generate_load_crc_table_addr(MacroAssembler* masm, Register table); + +}; + +#endif // CPU_PPC_VM_STUBROUTINES_PPC_HPP