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/ciExceptionHandler.hpp"
  29 #include "ci/ciMetadata.hpp"
  30 #include "ci/ciMethod.hpp"
  31 #include "ci/ciUtilities.hpp"
  32 #include "compiler/methodMatcher.hpp"
  33 #include "compiler/compilerOracle.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(Enabled,                 bool, true, X) \
  39     cflags(BreakAtExecute,          bool, false, X) \
  40     cflags(BreakAtCompile,          bool, false, X) \
  41     cflags(Log,                     bool, false, X) \
  42     cflags(PrintAssembly,           bool, PrintAssembly, X) \
  43     cflags(PrintInlining,           bool, PrintInlining, PrintInlining) \
  44     cflags(PrintNMethods,           bool, PrintNMethods, PrintNMethods) \
  45     cflags(ReplayInline,            bool, false, ReplayInline) \
  46     cflags(DumpReplay,              bool, false, DumpReplay) \
  47     cflags(DumpInline,              bool, false, DumpInline) \
  48     cflags(CompileCommandCompatibility, bool, false, CompileCommandCompatibility) \
  49     cflags(CompileThresholdScaling, double, CompileThresholdScaling, CompileThresholdScaling)
  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 
  77 class DirectiveSet : public CHeapObj<mtCompiler> {
  78 private:
  79   InlineMatcher* _inlinematchers;
  80   CompilerDirectives* _directive;
  81 
  82 public:
  83   DirectiveSet(CompilerDirectives* directive);
  84   ~DirectiveSet();
  85   void release();
  86   CompilerDirectives* directive();
  87   bool parse_and_add_inline(char* str, const char*& error_msg);
  88   void append_inline(InlineMatcher* m);
  89   bool inline_commanded(ciMethod* inlinee);
  90   bool dont_inline_commanded(ciMethod* inlinee);
  91   void print_inline(outputStream* st);
  92   DirectiveSet* late_cc_init(methodHandle method);
  93   bool is_exclusive_copy() { return _directive == NULL; }
  94   bool matches_inline(methodHandle method, int inline_action);
  95   bool is_intrinsic_disabled(methodHandle method);
  96   DirectiveSet* clone();
  97 
  98   typedef enum {
  99 #define enum_of_flags(name, type, dvalue, cc_flag) name##Index,
 100     compilerdirectives_common_flags(enum_of_flags)
 101     compilerdirectives_c2_flags(enum_of_flags)
 102     compilerdirectives_c1_flags(enum_of_flags)
 103     number_of_flags
 104   } flags;
 105 
 106   bool _modified[number_of_flags];
 107 
 108 #define flag_store_definition(name, type, dvalue, cc_flag) type name##Option;
 109   compilerdirectives_common_flags(flag_store_definition)
 110   compilerdirectives_c2_flags(flag_store_definition)
 111   compilerdirectives_c1_flags(flag_store_definition)
 112 
 113 // Casting to get the same function signature for all setters. Used from parser.
 114 #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; }
 115   compilerdirectives_common_flags(set_function_definition)
 116   compilerdirectives_c2_flags(set_function_definition)
 117   compilerdirectives_c1_flags(set_function_definition)
 118 
 119   void print_intx(outputStream* st, ccstr n, intx v, bool mod) { st->print_cr(" %s %s: " INTX_FORMAT, mod ? "*" : " ", n, v); }
 120   void print_bool(outputStream* st, ccstr n, bool v, bool mod) { st->print_cr(" %s %s: %s", mod ? "*" : " ", n, v ? "true" : "false"); }
 121   void print_double(outputStream* st, ccstr n, double v, bool mod) { st->print_cr(" %s %s: %f", mod ? "*" : " ", n, v); }
 122   void print_ccstr(outputStream* st, ccstr n, ccstr v, bool mod) { st->print_cr(" %s %s: %s", mod ? "*" : " ", n, v); }
 123 
 124 void print(outputStream* st) {
 125     print_inline(st);
 126 #define print_function_definition(name, type, dvalue, cc_flag) print_##type(st, #name, this->name##Option, (bool)_modified[name##Index]);
 127     compilerdirectives_common_flags(print_function_definition)
 128     compilerdirectives_c2_flags(print_function_definition)
 129     compilerdirectives_c1_flags(print_function_definition)
 130   }
 131 };
 132 
 133 class CompilerDirectives : public CHeapObj<mtCompiler> {
 134 private:
 135   CompilerDirectives* _next;
 136   BasicMatcher* _match;
 137   int _ref_count;
 138 
 139 public:
 140 
 141   CompilerDirectives();
 142   ~CompilerDirectives();
 143 
 144   static const short TargetC1 = 1;
 145   static const short TargetC2 = 2;
 146 
 147   CompilerDirectives* next();
 148   void set_next(CompilerDirectives* next) {_next = next; }
 149 
 150   bool match(methodHandle method, int comp_level);
 151   bool add_match(char* str, const char*& error_msg);
 152   DirectiveSet* get_for(int comp_leveltarget);
 153   void print(outputStream* st);
 154   bool is_default_directive() { return _next == NULL; }
 155 
 156   void inc_refcount();
 157   void dec_refcount();
 158 
 159   DirectiveSet* _c1_store;
 160   DirectiveSet* _c2_store;
 161 };
 162 
 163 
 164 #endif // SHARE_VM_COMPILER_COMPILERDIRECTIVES_HPP