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src/cpu/ppc/vm/stubRoutines_ppc_64.hpp@bcccbecdde63 (annotated)
src/cpu/ppc/vm/stubRoutines_ppc_64.hpp
Mon, 24 Sep 2018 17:18:38 -0400
- author
- gromero
- date
- Mon, 24 Sep 2018 17:18:38 -0400
- changeset 9496
- bcccbecdde63
- parent 0
- f90c822e73f8
- child 9497
- f892c3b6b651
- permissions
- -rw-r--r--
8131048: ppc implement CRC32 intrinsic
Reviewed-by: goetz
| aoqi@0 | 1 | /* |
| gromero@9496 | 2 | * Copyright (c) 2002, 2018, Oracle and/or its affiliates. All rights reserved. |
| gromero@9496 | 3 | * Copyright (c) 2012, 2018 SAP SE. All rights reserved. |
| aoqi@0 | 4 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@0 | 5 | * |
| aoqi@0 | 6 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 7 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 8 | * published by the Free Software Foundation. |
| aoqi@0 | 9 | * |
| aoqi@0 | 10 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 13 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 14 | * accompanied this code). |
| aoqi@0 | 15 | * |
| aoqi@0 | 16 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 17 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 18 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@0 | 19 | * |
| aoqi@0 | 20 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 21 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 22 | * questions. |
| aoqi@0 | 23 | * |
| aoqi@0 | 24 | */ |
| aoqi@0 | 25 | |
| aoqi@0 | 26 | #ifndef CPU_PPC_VM_STUBROUTINES_PPC_64_HPP |
| aoqi@0 | 27 | #define CPU_PPC_VM_STUBROUTINES_PPC_64_HPP |
| aoqi@0 | 28 | |
| aoqi@0 | 29 | // This file holds the platform specific parts of the StubRoutines |
| aoqi@0 | 30 | // definition. See stubRoutines.hpp for a description on how to |
| aoqi@0 | 31 | // extend it. |
| aoqi@0 | 32 | |
| gromero@9496 | 33 | static bool returns_to_call_stub(address return_pc) { return return_pc == _call_stub_return_address; } |
| aoqi@0 | 34 | |
| aoqi@0 | 35 | enum platform_dependent_constants { |
| aoqi@0 | 36 | code_size1 = 20000, // simply increase if too small (assembler will crash if too small) |
| aoqi@0 | 37 | code_size2 = 20000 // simply increase if too small (assembler will crash if too small) |
| aoqi@0 | 38 | }; |
| aoqi@0 | 39 | |
| gromero@9496 | 40 | // CRC32 Intrinsics. |
| gromero@9496 | 41 | #define CRC32_COLUMN_SIZE 256 |
| gromero@9496 | 42 | #define CRC32_BYFOUR |
| gromero@9496 | 43 | #ifdef CRC32_BYFOUR |
| gromero@9496 | 44 | #define CRC32_TABLES 8 |
| gromero@9496 | 45 | #else |
| gromero@9496 | 46 | #define CRC32_TABLES 1 |
| gromero@9496 | 47 | #endif |
| gromero@9496 | 48 | |
| gromero@9496 | 49 | class ppc64 { |
| gromero@9496 | 50 | friend class StubGenerator; |
| gromero@9496 | 51 | |
| gromero@9496 | 52 | private: |
| gromero@9496 | 53 | |
| gromero@9496 | 54 | // CRC32 Intrinsics. |
| gromero@9496 | 55 | static juint _crc_table[CRC32_TABLES][CRC32_COLUMN_SIZE]; |
| gromero@9496 | 56 | |
| gromero@9496 | 57 | public: |
| gromero@9496 | 58 | |
| gromero@9496 | 59 | // CRC32 Intrinsics. |
| gromero@9496 | 60 | static void generate_load_crc_table_addr(MacroAssembler* masm, Register table); |
| gromero@9496 | 61 | |
| gromero@9496 | 62 | }; |
| gromero@9496 | 63 | |
| aoqi@0 | 64 | #endif // CPU_PPC_VM_STUBROUTINES_PPC_64_HPP |
