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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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41
hotspot/src/share/vm/c1/c1_Compilation.hpp
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@ -53,15 +53,11 @@ define_stack(ExceptionInfoList, ExceptionInfoArray)
class Compilation: public StackObj {
friend class CompilationResourceObj;
private:
static Arena* _arena;
static Arena* arena() { return _arena; }
static Compilation* _compilation;
private:
// compilation specifics
Arena* _arena;
int _next_id;
int _next_block_id;
AbstractCompiler* _compiler;
ciEnv* _env;
ciMethod* _method;
@ -108,10 +104,14 @@ class Compilation: public StackObj {
public:
// creation
Compilation(AbstractCompiler* compiler, ciEnv* env, ciMethod* method, int osr_bci);
Compilation(AbstractCompiler* compiler, ciEnv* env, ciMethod* method,
int osr_bci, BufferBlob* buffer_blob);
~Compilation();
static Compilation* current_compilation() { return _compilation; }
static Compilation* current() {
return (Compilation*) ciEnv::current()->compiler_data();
}
// accessors
ciEnv* env() const { return _env; }
@ -128,6 +128,15 @@ class Compilation: public StackObj {
CodeBuffer* code() { return &_code; }
C1_MacroAssembler* masm() const { return _masm; }
CodeOffsets* offsets() { return &_offsets; }
Arena* arena() { return _arena; }
// Instruction ids
int get_next_id() { return _next_id++; }
int number_of_instructions() const { return _next_id; }
// BlockBegin ids
int get_next_block_id() { return _next_block_id++; }
int number_of_blocks() const { return _next_block_id; }
// setters
void set_has_exception_handlers(bool f) { _has_exception_handlers = f; }
@ -158,6 +167,15 @@ class Compilation: public StackObj {
bool bailed_out() const { return _bailout_msg != NULL; }
const char* bailout_msg() const { return _bailout_msg; }
static int desired_max_code_buffer_size() {
return (int) NMethodSizeLimit; // default 256K or 512K
}
static int desired_max_constant_size() {
return (int) NMethodSizeLimit / 10; // about 25K
}
static void setup_code_buffer(CodeBuffer* cb, int call_stub_estimate);
// timers
static void print_timers();
@ -203,7 +221,10 @@ class InstructionMark: public StackObj {
// Base class for objects allocated by the compiler in the compilation arena
class CompilationResourceObj ALLOCATION_SUPER_CLASS_SPEC {
public:
void* operator new(size_t size) { return Compilation::arena()->Amalloc(size); }
void* operator new(size_t size) { return Compilation::current()->arena()->Amalloc(size); }
void* operator new(size_t size, Arena* arena) {
return arena->Amalloc(size);
}
void operator delete(void* p) {} // nothing to do
};