1 /*
2 * Copyright (c) 1998, 2017, 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 "compiler/methodMatcher.hpp"
31 #include "compiler/compilerOracle.hpp"
32 #include "utilities/exceptions.hpp"
33
34 // Directives flag name, type, default value, compile command name
35 #define compilerdirectives_common_flags(cflags) \
36 cflags(Enable, bool, false, X) \
37 cflags(Exclude, bool, false, X) \
38 cflags(BreakAtExecute, bool, false, X) \
39 cflags(BreakAtCompile, bool, false, X) \
40 cflags(Log, bool, LogCompilation, X) \
41 cflags(PrintAssembly, bool, PrintAssembly, PrintAssembly) \
42 cflags(PrintInlining, bool, PrintInlining, PrintInlining) \
43 cflags(PrintNMethods, bool, PrintNMethods, PrintNMethods) \
44 cflags(BackgroundCompilation, bool, BackgroundCompilation, BackgroundCompilation) \
45 cflags(ReplayInline, bool, false, ReplayInline) \
46 cflags(DumpReplay, bool, false, DumpReplay) \
47 cflags(DumpInline, bool, false, DumpInline) \
48 cflags(CompilerDirectivesIgnoreCompileCommands, bool, CompilerDirectivesIgnoreCompileCommands, X) \
49 cflags(DisableIntrinsic, ccstrlist, DisableIntrinsic, DisableIntrinsic)
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 NOT_PRODUCT(cflags(TraceOptoPipelining, bool, TraceOptoPipelining, TraceOptoPipelining)) \
63 NOT_PRODUCT(cflags(TraceOptoOutput, bool, TraceOptoOutput, TraceOptoOutput)) \
64 cflags(TraceSpilling, bool, TraceSpilling, TraceSpilling) \
65 cflags(Vectorize, bool, false, Vectorize) \
66 cflags(VectorizeDebug, uintx, 0, VectorizeDebug) \
67 cflags(CloneMapDebug, bool, false, CloneMapDebug) \
68 cflags(IGVPrintLevel, intx, PrintIdealGraphLevel, IGVPrintLevel) \
69 cflags(MaxNodeLimit, intx, MaxNodeLimit, MaxNodeLimit)
70 #else
71 #define compilerdirectives_c2_flags(cflags)
72 #endif
73
74 class CompilerDirectives;
75 class DirectiveSet;
76
77 class DirectivesStack : AllStatic {
78 private:
79 static CompilerDirectives* _top;
80 static CompilerDirectives* _bottom;
81 static int _depth;
82
83 static void pop_inner(); // no lock version of pop
84 public:
85 static void init();
86 static DirectiveSet* getMatchingDirective(const methodHandle& mh, AbstractCompiler* comp);
87 static DirectiveSet* getDefaultDirective(AbstractCompiler* comp);
88 static void push(CompilerDirectives* directive);
89 static void pop(int count);
90 static bool check_capacity(int request_size, outputStream* st);
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(const methodHandle& method);
112 bool is_exclusive_copy() { return _directive == NULL; }
113 bool matches_inline(const methodHandle& method, int inline_action);
114 static DirectiveSet* clone(DirectiveSet const* src);
115 bool is_intrinsic_disabled(const methodHandle& method);
116 static ccstrlist canonicalize_disableintrinsic(ccstrlist option_value);
117 void finalize(outputStream* st);
118
119 typedef enum {
120 #define enum_of_flags(name, type, dvalue, cc_flag) name##Index,
121 compilerdirectives_common_flags(enum_of_flags)
122 compilerdirectives_c2_flags(enum_of_flags)
123 compilerdirectives_c1_flags(enum_of_flags)
124 number_of_flags
125 } flags;
126
127 bool _modified[number_of_flags]; // Records what options where set by a directive
128
129 #define flag_store_definition(name, type, dvalue, cc_flag) type name##Option;
130 compilerdirectives_common_flags(flag_store_definition)
131 compilerdirectives_c2_flags(flag_store_definition)
132 compilerdirectives_c1_flags(flag_store_definition)
133
134 // Casting to get the same function signature for all setters. Used from parser.
135 #define set_function_definition(name, type, dvalue, cc_flag) void set_##name(void* value) { type val = *(type*)value; name##Option = val; _modified[name##Index] = true; }
136 compilerdirectives_common_flags(set_function_definition)
137 compilerdirectives_c2_flags(set_function_definition)
138 compilerdirectives_c1_flags(set_function_definition)
139
140 void print_intx(outputStream* st, ccstr n, intx v, bool mod) { if (mod) { st->print("%s:" INTX_FORMAT " ", n, v); } }
141 void print_uintx(outputStream* st, ccstr n, intx v, bool mod) { if (mod) { st->print("%s:" UINTX_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 void print_ccstrlist(outputStream* st, ccstr n, ccstr v, bool mod) { print_ccstr(st, n, v, mod); }
146
147 void print(outputStream* st) {
148 print_inline(st);
149 st->print(" ");
150 #define print_function_definition(name, type, dvalue, cc_flag) print_##type(st, #name, this->name##Option, true);
151 compilerdirectives_common_flags(print_function_definition)
152 compilerdirectives_c2_flags(print_function_definition)
153 compilerdirectives_c1_flags(print_function_definition)
154 st->cr();
155 }
156 };
157
158 class CompilerDirectives : public CHeapObj<mtCompiler> {
159 private:
160 CompilerDirectives* _next;
161 BasicMatcher* _match;
162 int _ref_count;
163
164 public:
165
166 CompilerDirectives();
167 ~CompilerDirectives();
168
169 CompilerDirectives* next();
170 void set_next(CompilerDirectives* next) {_next = next; }
171
172 bool match(const methodHandle& method);
173 BasicMatcher* match() { return _match; }
174 bool add_match(char* str, const char*& error_msg);
175 DirectiveSet* get_for(AbstractCompiler *comp);
176 void print(outputStream* st);
177 bool is_default_directive() { return _next == NULL; }
178 void finalize(outputStream* st);
179
180 void inc_refcount();
181 void dec_refcount();
182 int refcount();
183
184 DirectiveSet* _c1_store;
185 DirectiveSet* _c2_store;
186 };
187
188 #endif // SHARE_VM_COMPILER_COMPILERDIRECTIVES_HPP