25 #include "precompiled.hpp"
26 #include "c1/c1_Compilation.hpp"
27 #include "c1/c1_Compiler.hpp"
28 #include "c1/c1_FrameMap.hpp"
29 #include "c1/c1_GraphBuilder.hpp"
30 #include "c1/c1_LinearScan.hpp"
31 #include "c1/c1_MacroAssembler.hpp"
32 #include "c1/c1_Runtime1.hpp"
33 #include "c1/c1_ValueType.hpp"
34 #include "compiler/compileBroker.hpp"
35 #include "compiler/compilerOracle.hpp"
36 #include "interpreter/linkResolver.hpp"
37 #include "memory/allocation.hpp"
38 #include "memory/allocation.inline.hpp"
39 #include "memory/resourceArea.hpp"
40 #include "prims/nativeLookup.hpp"
41 #include "runtime/arguments.hpp"
42 #include "runtime/interfaceSupport.hpp"
43 #include "runtime/sharedRuntime.hpp"
44
45 volatile int Compiler::_runtimes = uninitialized;
46
47 Compiler::Compiler() {
48 }
49
50
51 Compiler::~Compiler() {
52 Unimplemented();
53 }
54
55
56 void Compiler::initialize_all() {
57 BufferBlob* buffer_blob = CompilerThread::current()->get_buffer_blob();
58 Arena* arena = new (mtCompiler) Arena();
59 Runtime1::initialize(buffer_blob);
60 FrameMap::initialize();
61 // initialize data structures
62 ValueType::initialize(arena);
63 // Instruction::initialize();
64 // BlockBegin::initialize();
65 GraphBuilder::initialize();
66 // note: to use more than one instance of LinearScan at a time this function call has to
67 // be moved somewhere outside of this constructor:
68 Interval::initialize(arena);
69 }
70
71
72 void Compiler::initialize() {
73 if (_runtimes != initialized) {
74 initialize_runtimes( initialize_all, &_runtimes);
75 }
76 mark_initialized();
77 }
78
79
80 BufferBlob* Compiler::get_buffer_blob(ciEnv* env) {
81 // Allocate buffer blob once at startup since allocation for each
82 // compilation seems to be too expensive (at least on Intel win32).
83 BufferBlob* buffer_blob = CompilerThread::current()->get_buffer_blob();
84 if (buffer_blob != NULL) {
85 return buffer_blob;
86 }
87
88 // setup CodeBuffer. Preallocate a BufferBlob of size
89 // NMethodSizeLimit plus some extra space for constants.
90 int code_buffer_size = Compilation::desired_max_code_buffer_size() +
91 Compilation::desired_max_constant_size();
92
93 buffer_blob = BufferBlob::create("Compiler1 temporary CodeBuffer",
94 code_buffer_size);
95 if (buffer_blob == NULL) {
96 CompileBroker::handle_full_code_cache();
97 env->record_failure("CodeCache is full");
98 } else {
99 CompilerThread::current()->set_buffer_blob(buffer_blob);
100 }
101
102 return buffer_blob;
103 }
104
105
106 void Compiler::compile_method(ciEnv* env, ciMethod* method, int entry_bci) {
107 BufferBlob* buffer_blob = Compiler::get_buffer_blob(env);
108 if (buffer_blob == NULL) {
109 return;
110 }
111
112 if (!is_initialized()) {
113 initialize();
114 }
115
116 // invoke compilation
117 {
118 // We are nested here because we need for the destructor
119 // of Compilation to occur before we release the any
120 // competing compiler thread
121 ResourceMark rm;
122 Compilation c(this, env, method, entry_bci, buffer_blob);
123 }
124 }
125
126
127 void Compiler::print_timers() {
128 Compilation::print_timers();
129 }
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25 #include "precompiled.hpp"
26 #include "c1/c1_Compilation.hpp"
27 #include "c1/c1_Compiler.hpp"
28 #include "c1/c1_FrameMap.hpp"
29 #include "c1/c1_GraphBuilder.hpp"
30 #include "c1/c1_LinearScan.hpp"
31 #include "c1/c1_MacroAssembler.hpp"
32 #include "c1/c1_Runtime1.hpp"
33 #include "c1/c1_ValueType.hpp"
34 #include "compiler/compileBroker.hpp"
35 #include "compiler/compilerOracle.hpp"
36 #include "interpreter/linkResolver.hpp"
37 #include "memory/allocation.hpp"
38 #include "memory/allocation.inline.hpp"
39 #include "memory/resourceArea.hpp"
40 #include "prims/nativeLookup.hpp"
41 #include "runtime/arguments.hpp"
42 #include "runtime/interfaceSupport.hpp"
43 #include "runtime/sharedRuntime.hpp"
44
45 Compiler::Compiler() {
46 }
47
48
49 Compiler::~Compiler() {
50 Unimplemented();
51 }
52
53
54 void Compiler::init_c1_runtime() {
55 BufferBlob* buffer_blob = CompilerThread::current()->get_buffer_blob();
56 Arena* arena = new (mtCompiler) Arena();
57 Runtime1::initialize(buffer_blob);
58 FrameMap::initialize();
59 // initialize data structures
60 ValueType::initialize(arena);
61 GraphBuilder::initialize();
62 // note: to use more than one instance of LinearScan at a time this function call has to
63 // be moved somewhere outside of this constructor:
64 Interval::initialize(arena);
65 }
66
67
68 void Compiler::initialize() {
69 // Buffer blob must be allocated per C1 compiler thread at startup
70 BufferBlob* buffer_blob = init_buffer_blob();
71 if (buffer_blob == NULL) {
72 // If the state is initialized, other compiler threads could have
73 // had enough space to allocate memory
74 if (!is_initialized()) {
75 set_state(failed);
76 }
77 }
78
79 if (should_perform_init()) {
80 init_c1_runtime();
81 set_state(initialized);
82 }
83 }
84
85
86 BufferBlob* Compiler::init_buffer_blob() {
87 // Allocate buffer blob once at startup since allocation for each
88 // compilation seems to be too expensive (at least on Intel win32).
89 assert (CompilerThread::current()->get_buffer_blob() == NULL, "Should initialize only once");
90
91 // setup CodeBuffer. Preallocate a BufferBlob of size
92 // NMethodSizeLimit plus some extra space for constants.
93 int code_buffer_size = Compilation::desired_max_code_buffer_size() +
94 Compilation::desired_max_constant_size();
95
96 BufferBlob* buffer_blob = BufferBlob::create("C1 temporary CodeBuffer", code_buffer_size);
97 if (buffer_blob != NULL) {
98 CompilerThread::current()->set_buffer_blob(buffer_blob);
99 }
100
101 return buffer_blob;
102 }
103
104
105 void Compiler::compile_method(ciEnv* env, ciMethod* method, int entry_bci) {
106 BufferBlob* buffer_blob = CompilerThread::current()->get_buffer_blob();
107 assert(buffer_blob != NULL, "Must exist");
108 // invoke compilation
109 {
110 // We are nested here because we need for the destructor
111 // of Compilation to occur before we release the any
112 // competing compiler thread
113 ResourceMark rm;
114 Compilation c(this, env, method, entry_bci, buffer_blob);
115 }
116 }
117
118
119 void Compiler::print_timers() {
120 Compilation::print_timers();
121 }
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