1 /*
2 * Copyright (c) 1998, 2014, 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 SHARE_VM_COMPILER_COMPILERDIRECTIVES_HPP
26 #define SHARE_VM_COMPILER_COMPILERDIRECTIVES_HPP
27
28 #include "ci/ciMetadata.hpp"
29 #include "ci/ciMethod.hpp"
30 #include "ci/ciUtilities.hpp"
31 #include "compiler/methodMatcher.hpp"
32 #include "compiler/compilerOracle.hpp"
33 #include "oops/oop.inline.hpp"
34 #include "utilities/exceptions.hpp"
35
36 // Directives flag name, type, default value, compile command name
37 #define compilerdirectives_common_flags(cflags) \
38 cflags(Enable, bool, false, X) \
39 cflags(Exclude, bool, false, X) \
40 cflags(BreakAtExecute, bool, false, X) \
41 cflags(BreakAtCompile, bool, false, X) \
42 cflags(Log, bool, false, X) \
43 cflags(PrintAssembly, bool, PrintAssembly, PrintAssembly) \
44 cflags(PrintInlining, bool, PrintInlining, PrintInlining) \
45 cflags(PrintNMethods, bool, PrintNMethods, PrintNMethods) \
46 cflags(ReplayInline, bool, false, ReplayInline) \
47 cflags(DumpReplay, bool, false, DumpReplay) \
48 cflags(DumpInline, bool, false, DumpInline) \
49 cflags(CompilerDirectivesIgnoreCompileCommands, bool, !CompilerDirectivesIgnoreCompileCommands, X)
50
51 #ifdef COMPILER1
52 #define compilerdirectives_c1_flags(cflags)
53 #else
54 #define compilerdirectives_c1_flags(cflags)
55 #endif
56
57 #ifdef COMPILER2
58 #define compilerdirectives_c2_flags(cflags) \
59 cflags(BlockLayoutByFrequency, bool, BlockLayoutByFrequency, BlockLayoutByFrequency) \
60 cflags(PrintOptoAssembly, bool, PrintOptoAssembly, PrintOptoAssembly) \
61 cflags(PrintIntrinsics, bool, PrintIntrinsics, PrintIntrinsics) \
62 cflags(TraceOptoPipelining, bool, false, TraceOptoPipelining) \
63 cflags(TraceOptoOutput, bool, false, TraceOptoOutput) \
64 cflags(TraceSpilling, bool, TraceSpilling, TraceSpilling) \
65 cflags(Vectorize, bool, false, Vectorize) \
66 cflags(VectorizeDebug, bool, false, VectorizeDebug) \
67 cflags(CloneMapDebug, bool, false, CloneMapDebug) \
68 cflags(IGVPrintLevel, intx, PrintIdealGraphLevel, IGVPrintLevel) \
69 cflags(MaxNodeLimit, intx, MaxNodeLimit, MaxNodeLimit) \
70 cflags(DisableIntrinsics, ccstr, DisableIntrinsic, DisableIntrinsics)
71 #else
72 #define compilerdirectives_c2_flags(cflags)
73 #endif
74
75 class CompilerDirectives;
76 class DirectiveSet;
77
78 class DirectivesStack : AllStatic {
79 private:
80 static CompilerDirectives* _top;
81 static CompilerDirectives* _bottom;
82 static int _depth;
83
84 static void pop_inner(); // no lock version of pop
85 public:
86 static void init();
87 static DirectiveSet* getMatchingDirective(methodHandle mh, AbstractCompiler* comp);
88 static DirectiveSet* getDefaultDirective(AbstractCompiler* comp);
89 static void push(CompilerDirectives* directive);
90 static void pop();
91 static void clear();
92 static void print(outputStream* st);
93 static void release(DirectiveSet* set);
94 static void release(CompilerDirectives* dir);
95 };
96
97 class DirectiveSet : public CHeapObj<mtCompiler> {
98 private:
99 InlineMatcher* _inlinematchers;
100 CompilerDirectives* _directive;
101
102 public:
103 DirectiveSet(CompilerDirectives* directive);
104 ~DirectiveSet();
105 CompilerDirectives* directive();
106 bool parse_and_add_inline(char* str, const char*& error_msg);
107 void append_inline(InlineMatcher* m);
108 bool should_inline(ciMethod* inlinee);
109 bool should_not_inline(ciMethod* inlinee);
110 void print_inline(outputStream* st);
111 DirectiveSet* compilecommand_compatibility_init(methodHandle method);
112 bool is_exclusive_copy() { return _directive == NULL; }
113 bool matches_inline(methodHandle method, int inline_action);
114 DirectiveSet* clone();
115 bool is_intrinsic_disabled(methodHandle method);
116 void finalize();
117
118 typedef enum {
119 #define enum_of_flags(name, type, dvalue, cc_flag) name##Index,
120 compilerdirectives_common_flags(enum_of_flags)
121 compilerdirectives_c2_flags(enum_of_flags)
122 compilerdirectives_c1_flags(enum_of_flags)
123 number_of_flags
124 } flags;
125
126 bool _modified[number_of_flags];
127
128 #define flag_store_definition(name, type, dvalue, cc_flag) type name##Option;
129 compilerdirectives_common_flags(flag_store_definition)
130 compilerdirectives_c2_flags(flag_store_definition)
131 compilerdirectives_c1_flags(flag_store_definition)
132
133 // Casting to get the same function signature for all setters. Used from parser.
134 #define set_function_definition(name, type, dvalue, cc_flag) void set_##name(void* value) { type val = *(type*)value; name##Option = val; _modified[name##Index] = 1; }
135 compilerdirectives_common_flags(set_function_definition)
136 compilerdirectives_c2_flags(set_function_definition)
137 compilerdirectives_c1_flags(set_function_definition)
138
139 void print_intx(outputStream* st, ccstr n, intx v, bool mod) { if (mod) { st->print_cr("%s: " INTX_FORMAT, n, v); } }
140 void print_bool(outputStream* st, ccstr n, bool v, bool mod) { if (mod) { st->print_cr("%s: %s", n, v ? "true" : "false"); } }
141 void print_double(outputStream* st, ccstr n, double v, bool mod) { if (mod) { st->print_cr("%s: %f", n, v); } }
142 void print_ccstr(outputStream* st, ccstr n, ccstr v, bool mod) { if (mod) { st->print_cr("%s: %s", n, v); } }
143
144 void print(outputStream* st) {
145 print_inline(st);
146 #define print_function_definition(name, type, dvalue, cc_flag) print_##type(st, #name, this->name##Option, (bool)_modified[name##Index]);
147 compilerdirectives_common_flags(print_function_definition)
148 compilerdirectives_c2_flags(print_function_definition)
149 compilerdirectives_c1_flags(print_function_definition)
150 }
151 };
152
153 class CompilerDirectives : public CHeapObj<mtCompiler> {
154 private:
155 CompilerDirectives* _next;
156 BasicMatcher* _match;
157 int _ref_count;
158
159 public:
160
161 CompilerDirectives();
162 ~CompilerDirectives();
163
164 CompilerDirectives* next();
165 void set_next(CompilerDirectives* next) {_next = next; }
166
167 bool match(methodHandle method);
168 BasicMatcher* match() { return _match; }
169 bool add_match(char* str, const char*& error_msg);
170 DirectiveSet* get_for(AbstractCompiler *comp);
171 void print(outputStream* st);
172 bool is_default_directive() { return _next == NULL; }
173 void finalize();
174
175 void inc_refcount();
176 void dec_refcount();
177 int refcount();
178
179 DirectiveSet* _c1_store;
180 DirectiveSet* _c2_store;
181 };
182
183 #endif // SHARE_VM_COMPILER_COMPILERDIRECTIVES_HPP