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comparison src/cpu/sparc/vm/vm_version_sparc.hpp @ 1926:a1e319b5b13a

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Merge
author trims
date Thu, 11 Nov 2010 23:29:32 -0800
parents ae065c367d93
children f95d63e2154a
comparison
equal deleted inserted replaced
1895:d4681dc64964 1926:a1e319b5b13a
1 /* 1 /*
2 * Copyright (c) 1997, 2009, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 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 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
31 hardware_fsmuld = 3, 31 hardware_fsmuld = 3,
32 hardware_popc = 4, 32 hardware_popc = 4,
33 v9_instructions = 5, 33 v9_instructions = 5,
34 vis1_instructions = 6, 34 vis1_instructions = 6,
35 vis2_instructions = 7, 35 vis2_instructions = 7,
36 sun4v_instructions = 8 36 sun4v_instructions = 8,
37 blk_init_instructions = 9,
38 fmaf_instructions = 10
37 }; 39 };
38 40
39 enum Feature_Flag_Set { 41 enum Feature_Flag_Set {
40 unknown_m = 0, 42 unknown_m = 0,
41 all_features_m = -1, 43 all_features_m = -1,
47 hardware_popc_m = 1 << hardware_popc, 49 hardware_popc_m = 1 << hardware_popc,
48 v9_instructions_m = 1 << v9_instructions, 50 v9_instructions_m = 1 << v9_instructions,
49 vis1_instructions_m = 1 << vis1_instructions, 51 vis1_instructions_m = 1 << vis1_instructions,
50 vis2_instructions_m = 1 << vis2_instructions, 52 vis2_instructions_m = 1 << vis2_instructions,
51 sun4v_m = 1 << sun4v_instructions, 53 sun4v_m = 1 << sun4v_instructions,
54 blk_init_instructions_m = 1 << blk_init_instructions,
55 fmaf_instructions_m = 1 << fmaf_instructions,
52 56
53 generic_v8_m = v8_instructions_m | hardware_mul32_m | hardware_div32_m | hardware_fsmuld_m, 57 generic_v8_m = v8_instructions_m | hardware_mul32_m | hardware_div32_m | hardware_fsmuld_m,
54 generic_v9_m = generic_v8_m | v9_instructions_m, 58 generic_v9_m = generic_v8_m | v9_instructions_m,
55 ultra3_m = generic_v9_m | vis1_instructions_m | vis2_instructions_m, 59 ultra3_m = generic_v9_m | vis1_instructions_m | vis2_instructions_m,
56 60
65 static void print_features(); 69 static void print_features();
66 static int determine_features(); 70 static int determine_features();
67 static int platform_features(int features); 71 static int platform_features(int features);
68 72
69 static bool is_niagara1(int features) { return (features & sun4v_m) != 0; } 73 static bool is_niagara1(int features) { return (features & sun4v_m) != 0; }
74 static bool is_sparc64(int features) { return (features & fmaf_instructions_m) != 0; }
70 75
71 static int maximum_niagara1_processor_count() { return 32; } 76 static int maximum_niagara1_processor_count() { return 32; }
72 // Returns true if the platform is in the niagara line and 77 // Returns true if the platform is in the niagara line and
73 // newer than the niagara1. 78 // newer than the niagara1.
74 static bool is_niagara1_plus(); 79 static bool is_niagara1_plus();
84 static bool has_hardware_div32() { return (_features & hardware_div32_m) != 0; } 89 static bool has_hardware_div32() { return (_features & hardware_div32_m) != 0; }
85 static bool has_hardware_fsmuld() { return (_features & hardware_fsmuld_m) != 0; } 90 static bool has_hardware_fsmuld() { return (_features & hardware_fsmuld_m) != 0; }
86 static bool has_hardware_popc() { return (_features & hardware_popc_m) != 0; } 91 static bool has_hardware_popc() { return (_features & hardware_popc_m) != 0; }
87 static bool has_vis1() { return (_features & vis1_instructions_m) != 0; } 92 static bool has_vis1() { return (_features & vis1_instructions_m) != 0; }
88 static bool has_vis2() { return (_features & vis2_instructions_m) != 0; } 93 static bool has_vis2() { return (_features & vis2_instructions_m) != 0; }
94 static bool has_blk_init() { return (_features & blk_init_instructions_m) != 0; }
89 95
90 static bool supports_compare_and_exchange() 96 static bool supports_compare_and_exchange()
91 { return has_v9(); } 97 { return has_v9(); }
92 98
93 static bool is_ultra3() { return (_features & ultra3_m) == ultra3_m; } 99 static bool is_ultra3() { return (_features & ultra3_m) == ultra3_m; }
94 static bool is_sun4v() { return (_features & sun4v_m) != 0; } 100 static bool is_sun4v() { return (_features & sun4v_m) != 0; }
95 static bool is_niagara1() { return is_niagara1(_features); } 101 static bool is_niagara1() { return is_niagara1(_features); }
102 static bool is_sparc64() { return is_sparc64(_features); }
96 103
97 static bool has_fast_fxtof() { return has_v9() && !is_ultra3(); } 104 static bool has_fast_fxtof() { return has_v9() && !is_ultra3(); }
105 static bool has_fast_idiv() { return is_niagara1_plus() || is_sparc64(); }
98 106
99 static const char* cpu_features() { return _features_str; } 107 static const char* cpu_features() { return _features_str; }
100 108
101 static intx L1_data_cache_line_size() { 109 static intx L1_data_cache_line_size() {
102 return 64; // default prefetch block size on sparc 110 return 64; // default prefetch block size on sparc