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24 
25 #ifndef SHARE_OPTO_C2COMPILER_HPP
26 #define SHARE_OPTO_C2COMPILER_HPP
27 
28 #include "compiler/abstractCompiler.hpp"
29 #include "opto/output.hpp"
30 
31 class C2Compiler : public AbstractCompiler {
32  private:
33   static bool init_c2_runtime();
34 
35 public:
C2Compiler()36   C2Compiler() : AbstractCompiler(compiler_c2) {}
37 
38   // Name
name()39   const char *name() { return "C2"; }
40   void initialize();
41 
42   // Compilation entry point for methods
43   void compile_method(ciEnv* env,
44                       ciMethod* target,
45                       int entry_bci,
46                       DirectiveSet* directive);
47 
48   // sentinel value used to trigger backtracking in compile_method().
49   static const char* retry_no_subsuming_loads();
50   static const char* retry_no_escape_analysis();
51   static const char* retry_class_loading_during_parsing();
52 
53   // Print compilation timers and statistics
54   void print_timers();
55 
56   // Return true if the intrinsification of a method supported by the compiler
57   // assuming a non-virtual dispatch. (A virtual dispatch is
58   // possible for only a limited set of available intrinsics whereas
59   // a non-virtual dispatch is possible for all available intrinsics.)
60   // Return false otherwise.
is_intrinsic_supported(const methodHandle & method)61   virtual bool is_intrinsic_supported(const methodHandle& method) {
62     return is_intrinsic_supported(method, false);
63   }
64 
65   // Check if the compiler supports an intrinsic for 'method' given the
66   // the dispatch mode specified by the 'is_virtual' parameter.
67   virtual bool is_intrinsic_supported(const methodHandle& method, bool is_virtual);
68 
69   // Initial size of the code buffer (may be increased at runtime)
70   static int initial_code_buffer_size(int const_size = initial_const_capacity);
71 };
72 
73 #endif // SHARE_OPTO_C2COMPILER_HPP
74