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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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34
hotspot/src/share/vm/c1/c1_Compilation.cpp
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@ -66,9 +66,6 @@ class PhaseTraceTime: public TraceTime {
}
};
Arena* Compilation::_arena = NULL;
Compilation* Compilation::_compilation = NULL;
// Implementation of Compilation
@ -238,9 +235,23 @@ void Compilation::emit_code_epilog(LIR_Assembler* assembler) {
}
void Compilation::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(Compilation::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);
}
int Compilation::emit_code_body() {
// emit code
Runtime1::setup_code_buffer(code(), allocator()->num_calls());
setup_code_buffer(code(), allocator()->num_calls());
code()->initialize_oop_recorder(env()->oop_recorder());
_masm = new C1_MacroAssembler(code());
@ -422,7 +433,8 @@ void Compilation::generate_exception_handler_table() {
}
Compilation::Compilation(AbstractCompiler* compiler, ciEnv* env, ciMethod* method, int osr_bci)
Compilation::Compilation(AbstractCompiler* compiler, ciEnv* env, ciMethod* method,
int osr_bci, BufferBlob* buffer_blob)
: _compiler(compiler)
, _env(env)
, _method(method)
@ -437,8 +449,10 @@ Compilation::Compilation(AbstractCompiler* compiler, ciEnv* env, ciMethod* metho
, _bailout_msg(NULL)
, _exception_info_list(NULL)
, _allocator(NULL)
, _code(Runtime1::get_buffer_blob()->instructions_begin(),
Runtime1::get_buffer_blob()->instructions_size())
, _next_id(0)
, _next_block_id(0)
, _code(buffer_blob->instructions_begin(),
buffer_blob->instructions_size())
, _current_instruction(NULL)
#ifndef PRODUCT
, _last_instruction_printed(NULL)
@ -446,17 +460,15 @@ Compilation::Compilation(AbstractCompiler* compiler, ciEnv* env, ciMethod* metho
{
PhaseTraceTime timeit(_t_compile);
assert(_arena == NULL, "shouldn't only one instance of Compilation in existence at a time");
_arena = Thread::current()->resource_area();
_compilation = this;
_env->set_compiler_data(this);
_exception_info_list = new ExceptionInfoList();
_implicit_exception_table.set_size(0);
compile_method();
}
Compilation::~Compilation() {
_arena = NULL;
_compilation = NULL;
_env->set_compiler_data(NULL);
}