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comparison src/cpu/x86/vm/stubRoutines_x86.hpp @ 11080:b800986664f4

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7088419: Use x86 Hardware CRC32 Instruction with java.util.zip.CRC32 Summary: add intrinsics using new instruction to interpreter, C1, C2, for suitable x86; add test Reviewed-by: kvn, twisti
author drchase
date Tue, 02 Jul 2013 20:42:12 -0400
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11079:738e04fb1232 11080:b800986664f4
1 /*
2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef CPU_X86_VM_STUBROUTINES_X86_HPP
26 #define CPU_X86_VM_STUBROUTINES_X86_HPP
27
28 // This file holds the platform specific parts of the StubRoutines
29 // definition. See stubRoutines.hpp for a description on how to
30 // extend it.
31
32 private:
33 static address _verify_mxcsr_entry;
34 // shuffle mask for fixing up 128-bit words consisting of big-endian 32-bit integers
35 static address _key_shuffle_mask_addr;
36 // masks and table for CRC32
37 static uint64_t _crc_by128_masks[];
38 static juint _crc_table[];
39
40 public:
41 static address verify_mxcsr_entry() { return _verify_mxcsr_entry; }
42 static address key_shuffle_mask_addr() { return _key_shuffle_mask_addr; }
43 static address crc_by128_masks_addr() { return (address)_crc_by128_masks; }
44
45 #endif // CPU_X86_VM_STUBROUTINES_X86_32_HPP