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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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73
hotspot/src/share/vm/c1/c1_Runtime1.cpp
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@ -60,7 +60,6 @@ void StubAssembler::set_num_rt_args(int args) {
// Implementation of Runtime1
bool Runtime1::_is_initialized = false;
CodeBlob* Runtime1::_blobs[Runtime1::number_of_ids];
const char *Runtime1::_blob_names[] = {
RUNTIME1_STUBS(STUB_NAME, LAST_STUB_NAME)
@ -89,8 +88,6 @@ int Runtime1::_throw_array_store_exception_count = 0;
int Runtime1::_throw_count = 0;
#endif
BufferBlob* Runtime1::_buffer_blob = NULL;
// Simple helper to see if the caller of a runtime stub which
// entered the VM has been deoptimized
@ -117,43 +114,14 @@ static void deopt_caller() {
}
BufferBlob* Runtime1::get_buffer_blob() {
// Allocate code buffer space only once
BufferBlob* blob = _buffer_blob;
if (blob == NULL) {
// setup CodeBuffer. Preallocate a BufferBlob of size
// NMethodSizeLimit plus some extra space for constants.
int code_buffer_size = desired_max_code_buffer_size() + desired_max_constant_size();
blob = BufferBlob::create("Compiler1 temporary CodeBuffer",
code_buffer_size);
guarantee(blob != NULL, "must create initial code buffer");
_buffer_blob = blob;
}
return _buffer_blob;
}
void Runtime1::setup_code_buffer(CodeBuffer* code, int call_stub_estimate) {
// Preinitialize the consts section to some large size:
int locs_buffer_size = 20 * (relocInfo::length_limit + sizeof(relocInfo));
char* locs_buffer = NEW_RESOURCE_ARRAY(char, locs_buffer_size);
code->insts()->initialize_shared_locs((relocInfo*)locs_buffer,
locs_buffer_size / sizeof(relocInfo));
code->initialize_consts_size(desired_max_constant_size());
// Call stubs + deopt/exception handler
code->initialize_stubs_size((call_stub_estimate * LIR_Assembler::call_stub_size) +
LIR_Assembler::exception_handler_size +
LIR_Assembler::deopt_handler_size);
}
void Runtime1::generate_blob_for(StubID id) {
void Runtime1::generate_blob_for(BufferBlob* buffer_blob, StubID id) {
assert(0 <= id && id < number_of_ids, "illegal stub id");
ResourceMark rm;
// create code buffer for code storage
CodeBuffer code(get_buffer_blob()->instructions_begin(),
get_buffer_blob()->instructions_size());
CodeBuffer code(buffer_blob->instructions_begin(),
buffer_blob->instructions_size());
setup_code_buffer(&code, 0);
Compilation::setup_code_buffer(&code, 0);
// create assembler for code generation
StubAssembler* sasm = new StubAssembler(&code, name_for(id), id);
@ -204,35 +172,28 @@ void Runtime1::generate_blob_for(StubID id) {
}
void Runtime1::initialize() {
// Warning: If we have more than one compilation running in parallel, we
// need a lock here with the current setup (lazy initialization).
if (!is_initialized()) {
_is_initialized = true;
// platform-dependent initialization
initialize_pd();
// generate stubs
for (int id = 0; id < number_of_ids; id++) generate_blob_for((StubID)id);
// printing
void Runtime1::initialize(BufferBlob* blob) {
// platform-dependent initialization
initialize_pd();
// generate stubs
for (int id = 0; id < number_of_ids; id++) generate_blob_for(blob, (StubID)id);
// printing
#ifndef PRODUCT
if (PrintSimpleStubs) {
ResourceMark rm;
for (int id = 0; id < number_of_ids; id++) {
_blobs[id]->print();
if (_blobs[id]->oop_maps() != NULL) {
_blobs[id]->oop_maps()->print();
}
if (PrintSimpleStubs) {
ResourceMark rm;
for (int id = 0; id < number_of_ids; id++) {
_blobs[id]->print();
if (_blobs[id]->oop_maps() != NULL) {
_blobs[id]->oop_maps()->print();
}
}
#endif
}
#endif
}
CodeBlob* Runtime1::blob_for(StubID id) {
assert(0 <= id && id < number_of_ids, "illegal stub id");
if (!is_initialized()) initialize();
return _blobs[id];
}