1/*
2 * Copyright (c) 1999, 2019, 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,
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23 */
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
31class C2Compiler : public AbstractCompiler {
32 private:
33 static bool init_c2_runtime();
34
35public:
36 C2Compiler() : AbstractCompiler(compiler_c2) {}
37
38 // 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.
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