Mercurial > hg > truffle
comparison src/cpu/x86/vm/stubRoutines_x86.hpp @ 11080:b800986664f4
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 |
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date | Tue, 02 Jul 2013 20:42:12 -0400 |
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11079:738e04fb1232 | 11080:b800986664f4 |
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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 |