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comparison src/share/vm/opto/type.cpp @ 1137:97125851f396

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6829187: compiler optimizations required for JSR 292 Summary: C2 implementation for invokedynamic support. Reviewed-by: kvn, never
author twisti
date Tue, 05 Jan 2010 13:05:58 +0100
parents 03b336640699
children 2432acbee618 09ac706c2623
comparison
equal deleted inserted replaced
1136:4b84186a8248 1137:97125851f396
2429 } 2429 }
2430 2430
2431 //------------------------------make_from_constant----------------------------- 2431 //------------------------------make_from_constant-----------------------------
2432 // Make a java pointer from an oop constant 2432 // Make a java pointer from an oop constant
2433 const TypeOopPtr* TypeOopPtr::make_from_constant(ciObject* o, bool require_constant) { 2433 const TypeOopPtr* TypeOopPtr::make_from_constant(ciObject* o, bool require_constant) {
2434 if (o->is_method_data() || o->is_method()) { 2434 if (o->is_method_data() || o->is_method() || o->is_cpcache()) {
2435 // Treat much like a typeArray of bytes, like below, but fake the type... 2435 // Treat much like a typeArray of bytes, like below, but fake the type...
2436 const Type* etype = (Type*)get_const_basic_type(T_BYTE); 2436 const Type* etype = (Type*)get_const_basic_type(T_BYTE);
2437 const TypeAry* arr0 = TypeAry::make(etype, TypeInt::POS); 2437 const TypeAry* arr0 = TypeAry::make(etype, TypeInt::POS);
2438 ciKlass *klass = ciTypeArrayKlass::make((BasicType) T_BYTE); 2438 ciKlass *klass = ciTypeArrayKlass::make((BasicType) T_BYTE);
2439 assert(o->can_be_constant(), "method data oops should be tenured"); 2439 assert(o->can_be_constant(), "method data oops should be tenured");
3964 const TypeFunc *TypeFunc::make(ciMethod* method) { 3964 const TypeFunc *TypeFunc::make(ciMethod* method) {
3965 Compile* C = Compile::current(); 3965 Compile* C = Compile::current();
3966 const TypeFunc* tf = C->last_tf(method); // check cache 3966 const TypeFunc* tf = C->last_tf(method); // check cache
3967 if (tf != NULL) return tf; // The hit rate here is almost 50%. 3967 if (tf != NULL) return tf; // The hit rate here is almost 50%.
3968 const TypeTuple *domain; 3968 const TypeTuple *domain;
3969 if (method->flags().is_static()) { 3969 if (method->is_static()) {
3970 domain = TypeTuple::make_domain(NULL, method->signature()); 3970 domain = TypeTuple::make_domain(NULL, method->signature());
3971 } else { 3971 } else {
3972 domain = TypeTuple::make_domain(method->holder(), method->signature()); 3972 domain = TypeTuple::make_domain(method->holder(), method->signature());
3973 } 3973 }
3974 const TypeTuple *range = TypeTuple::make_range(method->signature()); 3974 const TypeTuple *range = TypeTuple::make_range(method->signature());