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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                       bool install_code,
47                       DirectiveSet* directive);
48 
49   // sentinel value used to trigger backtracking in compile_method().
50   static const char* retry_no_subsuming_loads();
51   static const char* retry_no_escape_analysis();
52   static const char* retry_class_loading_during_parsing();
53 
54   // Print compilation timers and statistics
55   void print_timers();
56 
57   // Return true if the intrinsification of a method supported by the compiler
58   // assuming a non-virtual dispatch. (A virtual dispatch is
59   // possible for only a limited set of available intrinsics whereas
60   // a non-virtual dispatch is possible for all available intrinsics.)
61   // Return false otherwise.
is_intrinsic_supported(const methodHandle & method)62   virtual bool is_intrinsic_supported(const methodHandle& method) {
63     return is_intrinsic_supported(method, false);
64   }
65 
66   // Check if the compiler supports an intrinsic for 'method' given the
67   // the dispatch mode specified by the 'is_virtual' parameter.
68   bool is_intrinsic_supported(const methodHandle& method, bool is_virtual);
69 
70   // Initial size of the code buffer (may be increased at runtime)
71   static int initial_code_buffer_size(int const_size = initial_const_capacity);
72 };
73 
74 #endif // SHARE_OPTO_C2COMPILER_HPP
75