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6958292: C1: Enable parallel compilation

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Enable parallel compilation in C1

Reviewed-by: never, kvn
This commit is contained in:
Igor Veresov 2010-06-04 11:18:04 -07:00
parent 36f8c82970
commit 00b75f8353
30 changed files with 328 additions and 344 deletions
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62
hotspot/src/share/vm/c1/c1_Compiler.cpp
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@ -27,9 +27,6 @@
volatile int Compiler::_runtimes = uninitialized;
volatile bool Compiler::_compiling = false;
Compiler::Compiler() {
}
@ -39,47 +36,62 @@ Compiler::~Compiler() {
}
void Compiler::initialize_all() {
BufferBlob* buffer_blob = CompilerThread::current()->get_buffer_blob();
Arena* arena = new Arena();
Runtime1::initialize(buffer_blob);
FrameMap::initialize();
// initialize data structures
ValueType::initialize(arena);
// Instruction::initialize();
// BlockBegin::initialize();
GraphBuilder::initialize();
// note: to use more than one instance of LinearScan at a time this function call has to
// be moved somewhere outside of this constructor:
Interval::initialize(arena);
}
void Compiler::initialize() {
if (_runtimes != initialized) {
initialize_runtimes( Runtime1::initialize, &_runtimes);
initialize_runtimes( initialize_all, &_runtimes);
}
mark_initialized();
}
BufferBlob* Compiler::build_buffer_blob() {
// setup CodeBuffer. Preallocate a BufferBlob of size
// NMethodSizeLimit plus some extra space for constants.
int code_buffer_size = Compilation::desired_max_code_buffer_size() +
Compilation::desired_max_constant_size();
BufferBlob* blob = BufferBlob::create("Compiler1 temporary CodeBuffer",
code_buffer_size);
guarantee(blob != NULL, "must create initial code buffer");
return blob;
}
void Compiler::compile_method(ciEnv* env, ciMethod* method, int entry_bci) {
// Allocate buffer blob once at startup since allocation for each
// compilation seems to be too expensive (at least on Intel win32).
BufferBlob* buffer_blob = CompilerThread::current()->get_buffer_blob();
if (buffer_blob == NULL) {
buffer_blob = build_buffer_blob();
CompilerThread::current()->set_buffer_blob(buffer_blob);
}
if (!is_initialized()) {
initialize();
}
// invoke compilation
#ifdef TIERED
// We are thread in native here...
CompilerThread* thread = CompilerThread::current();
{
ThreadInVMfromNative tv(thread);
MutexLocker only_one (C1_lock, thread);
while ( _compiling) {
C1_lock->wait();
}
_compiling = true;
}
#endif // TIERED
{
// We are nested here because we need for the destructor
// of Compilation to occur before we release the any
// competing compiler thread
ResourceMark rm;
Compilation c(this, env, method, entry_bci);
Compilation c(this, env, method, entry_bci, buffer_blob);
}
#ifdef TIERED
{
ThreadInVMfromNative tv(thread);
MutexLocker only_one (C1_lock, thread);
_compiling = false;
C1_lock->notify();
}
#endif // TIERED
}