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 "opto/c2_globals.hpp"
35 #include "utilities/exceptions.hpp"
36
37 // Directives flag name, type, default value, compile command name
38 #define compilerdirectives_common_flags(cflags) \
39 cflags(Enable, bool, false, X) \
40 cflags(Exclude, bool, false, X) \
41 cflags(BreakAtExecute, bool, false, X) \
42 cflags(BreakAtCompile, bool, false, X) \
43 cflags(Log, bool, false, X) \
44 cflags(PrintAssembly, bool, PrintAssembly, PrintAssembly) \
45 cflags(PrintInlining, bool, PrintInlining, PrintInlining) \
46 cflags(PrintNMethods, bool, PrintNMethods, PrintNMethods) \
47 cflags(ReplayInline, bool, false, ReplayInline) \
48 cflags(DumpReplay, bool, false, DumpReplay) \
49 cflags(DumpInline, bool, false, DumpInline) \
50 cflags(CompilerDirectivesIgnoreCompileCommands, bool, CompilerDirectivesIgnoreCompileCommands, X) \
51 cflags(DisableIntrinsic, ccstr, DisableIntrinsic, DisableIntrinsic)
52
53 #ifdef COMPILER1
54 #define compilerdirectives_c1_flags(cflags)
55 #else
56 #define compilerdirectives_c1_flags(cflags)
57 #endif
58
59 #ifdef COMPILER2
60 #define compilerdirectives_c2_flags(cflags) \
61 cflags(BlockLayoutByFrequency, bool, BlockLayoutByFrequency, BlockLayoutByFrequency) \
62 cflags(PrintOptoAssembly, bool, PrintOptoAssembly, PrintOptoAssembly) \
63 cflags(PrintIntrinsics, bool, PrintIntrinsics, PrintIntrinsics) \
64 cflags(TraceOptoPipelining, bool, false, TraceOptoPipelining) \
65 cflags(TraceOptoOutput, bool, false, TraceOptoOutput) \
66 cflags(TraceSpilling, bool, TraceSpilling, TraceSpilling) \
67 cflags(Vectorize, bool, false, Vectorize) \
68 cflags(VectorizeDebug, bool, false, VectorizeDebug) \
69 cflags(CloneMapDebug, bool, false, CloneMapDebug) \
70 cflags(DoReserveCopyInSuperWordDebug, bool, false, DoReserveCopyInSuperWordDebug) \
71 cflags(IGVPrintLevel, intx, NOT_PRODUCT(PrintIdealGraphLevel+)0, IGVPrintLevel) \
72 cflags(MaxNodeLimit, intx, MaxNodeLimit, MaxNodeLimit)
73 #else
74 #define compilerdirectives_c2_flags(cflags)
75 #endif
76
77 class CompilerDirectives;
78 class DirectiveSet;
79
80 class DirectivesStack : AllStatic {
81 private:
82 static CompilerDirectives* _top;
83 static CompilerDirectives* _bottom;
84 static int _depth;
85
86 static void pop_inner(); // no lock version of pop
87 public:
88 static void init();
89 static DirectiveSet* getMatchingDirective(methodHandle mh, AbstractCompiler* comp);
90 static DirectiveSet* getDefaultDirective(AbstractCompiler* comp);
91 static void push(CompilerDirectives* directive);
92 static void pop();
93 static void clear();
94 static void print(outputStream* st);
95 static void release(DirectiveSet* set);
96 static void release(CompilerDirectives* dir);
97 };
98
99 class DirectiveSet : public CHeapObj<mtCompiler> {
100 private:
101 InlineMatcher* _inlinematchers;
102 CompilerDirectives* _directive;
103
104 public:
105 DirectiveSet(CompilerDirectives* directive);
106 ~DirectiveSet();
107 CompilerDirectives* directive();
108 bool parse_and_add_inline(char* str, const char*& error_msg);
109 void append_inline(InlineMatcher* m);
110 bool should_inline(ciMethod* inlinee);
111 bool should_not_inline(ciMethod* inlinee);
112 void print_inline(outputStream* st);
113 DirectiveSet* compilecommand_compatibility_init(methodHandle method);
114 bool is_exclusive_copy() { return _directive == NULL; }
115 bool matches_inline(methodHandle method, int inline_action);
116 static DirectiveSet* clone(DirectiveSet const* src);
117 bool is_intrinsic_disabled(methodHandle method);
118 void finalize();
119
120 typedef enum {
121 #define enum_of_flags(name, type, dvalue, cc_flag) name##Index,
122 compilerdirectives_common_flags(enum_of_flags)
123 compilerdirectives_c2_flags(enum_of_flags)
124 compilerdirectives_c1_flags(enum_of_flags)
125 number_of_flags
126 } flags;
127
128 bool _modified[number_of_flags];
129
130 #define flag_store_definition(name, type, dvalue, cc_flag) type name##Option;
131 compilerdirectives_common_flags(flag_store_definition)
132 compilerdirectives_c2_flags(flag_store_definition)
133 compilerdirectives_c1_flags(flag_store_definition)
134
135 // Casting to get the same function signature for all setters. Used from parser.
136 #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; }
137 compilerdirectives_common_flags(set_function_definition)
138 compilerdirectives_c2_flags(set_function_definition)
139 compilerdirectives_c1_flags(set_function_definition)
140
141 void print_intx(outputStream* st, ccstr n, intx v, bool mod) { if (mod) { st->print("%s:" INTX_FORMAT " ", n, v); } }
142 void print_bool(outputStream* st, ccstr n, bool v, bool mod) { if (mod) { st->print("%s:%s ", n, v ? "true" : "false"); } }
143 void print_double(outputStream* st, ccstr n, double v, bool mod) { if (mod) { st->print("%s:%f ", n, v); } }
144 void print_ccstr(outputStream* st, ccstr n, ccstr v, bool mod) { if (mod) { st->print("%s:%s ", n, v); } }
145
146 void print(outputStream* st) {
147 print_inline(st);
148 st->print(" ");
149 #define print_function_definition(name, type, dvalue, cc_flag) print_##type(st, #name, this->name##Option, true);//(bool)_modified[name##Index]);
150 compilerdirectives_common_flags(print_function_definition)
151 compilerdirectives_c2_flags(print_function_definition)
152 compilerdirectives_c1_flags(print_function_definition)
153 st->cr();
154 }
155 };
156
157 class CompilerDirectives : public CHeapObj<mtCompiler> {
158 private:
159 CompilerDirectives* _next;
160 BasicMatcher* _match;
161 int _ref_count;
162
163 public:
164
165 CompilerDirectives();
166 ~CompilerDirectives();
167
168 CompilerDirectives* next();
169 void set_next(CompilerDirectives* next) {_next = next; }
170
171 bool match(methodHandle method);
172 BasicMatcher* match() { return _match; }
173 bool add_match(char* str, const char*& error_msg);
174 DirectiveSet* get_for(AbstractCompiler *comp);
175 void print(outputStream* st);
176 bool is_default_directive() { return _next == NULL; }
177 void finalize();
178
179 void inc_refcount();
180 void dec_refcount();
181 int refcount();
182
183 DirectiveSet* _c1_store;
184 DirectiveSet* _c2_store;
185 };
186
187 #endif // SHARE_VM_COMPILER_COMPILERDIRECTIVES_HPP