1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/cpu/ppc/vm/vm_version_ppc.hpp Wed Apr 27 01:25:04 2016 +0800
1.3 @@ -0,0 +1,96 @@
1.4 +/*
1.5 + * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
1.6 + * Copyright 2012, 2014 SAP AG. All rights reserved.
1.7 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.8 + *
1.9 + * This code is free software; you can redistribute it and/or modify it
1.10 + * under the terms of the GNU General Public License version 2 only, as
1.11 + * published by the Free Software Foundation.
1.12 + *
1.13 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.14 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.15 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.16 + * version 2 for more details (a copy is included in the LICENSE file that
1.17 + * accompanied this code).
1.18 + *
1.19 + * You should have received a copy of the GNU General Public License version
1.20 + * 2 along with this work; if not, write to the Free Software Foundation,
1.21 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.22 + *
1.23 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.24 + * or visit www.oracle.com if you need additional information or have any
1.25 + * questions.
1.26 + *
1.27 + */
1.28 +
1.29 +#ifndef CPU_PPC_VM_VM_VERSION_PPC_HPP
1.30 +#define CPU_PPC_VM_VM_VERSION_PPC_HPP
1.31 +
1.32 +#include "runtime/globals_extension.hpp"
1.33 +#include "runtime/vm_version.hpp"
1.34 +
1.35 +class VM_Version: public Abstract_VM_Version {
1.36 +protected:
1.37 + enum Feature_Flag {
1.38 + fsqrt,
1.39 + fsqrts,
1.40 + isel,
1.41 + lxarxeh,
1.42 + cmpb,
1.43 + popcntb,
1.44 + popcntw,
1.45 + fcfids,
1.46 + vand,
1.47 + dcba,
1.48 + num_features // last entry to count features
1.49 + };
1.50 + enum Feature_Flag_Set {
1.51 + unknown_m = 0,
1.52 + fsqrt_m = (1 << fsqrt ),
1.53 + fsqrts_m = (1 << fsqrts ),
1.54 + isel_m = (1 << isel ),
1.55 + lxarxeh_m = (1 << lxarxeh),
1.56 + cmpb_m = (1 << cmpb ),
1.57 + popcntb_m = (1 << popcntb),
1.58 + popcntw_m = (1 << popcntw),
1.59 + fcfids_m = (1 << fcfids ),
1.60 + vand_m = (1 << vand ),
1.61 + dcba_m = (1 << dcba ),
1.62 + all_features_m = -1
1.63 + };
1.64 + static int _features;
1.65 + static int _measured_cache_line_size;
1.66 + static const char* _features_str;
1.67 + static bool _is_determine_features_test_running;
1.68 +
1.69 + static void print_features();
1.70 + static void determine_features(); // also measures cache line size
1.71 + static void determine_section_size();
1.72 + static void power6_micro_bench();
1.73 +public:
1.74 + // Initialization
1.75 + static void initialize();
1.76 +
1.77 + static bool is_determine_features_test_running() { return _is_determine_features_test_running; }
1.78 + // CPU instruction support
1.79 + static bool has_fsqrt() { return (_features & fsqrt_m) != 0; }
1.80 + static bool has_fsqrts() { return (_features & fsqrts_m) != 0; }
1.81 + static bool has_isel() { return (_features & isel_m) != 0; }
1.82 + static bool has_lxarxeh() { return (_features & lxarxeh_m) !=0; }
1.83 + static bool has_cmpb() { return (_features & cmpb_m) != 0; }
1.84 + static bool has_popcntb() { return (_features & popcntb_m) != 0; }
1.85 + static bool has_popcntw() { return (_features & popcntw_m) != 0; }
1.86 + static bool has_fcfids() { return (_features & fcfids_m) != 0; }
1.87 + static bool has_vand() { return (_features & vand_m) != 0; }
1.88 + static bool has_dcba() { return (_features & dcba_m) != 0; }
1.89 +
1.90 + static const char* cpu_features() { return _features_str; }
1.91 +
1.92 + static int get_cache_line_size() { return _measured_cache_line_size; }
1.93 +
1.94 + // Assembler testing
1.95 + static void allow_all();
1.96 + static void revert();
1.97 +};
1.98 +
1.99 +#endif // CPU_PPC_VM_VM_VERSION_PPC_HPP
