src/share/vm/opto/connode.cpp

changeset 1082
bd441136a5ce
parent 1077
660978a2a31a
child 1190
36ee9b69616e
equal deleted inserted replaced
1075:ba50942c8138 1082:bd441136a5ce
431 431
432 //------------------------------Ideal_DU_postCCP------------------------------- 432 //------------------------------Ideal_DU_postCCP-------------------------------
433 // If not converting int->oop, throw away cast after constant propagation 433 // If not converting int->oop, throw away cast after constant propagation
434 Node *CastPPNode::Ideal_DU_postCCP( PhaseCCP *ccp ) { 434 Node *CastPPNode::Ideal_DU_postCCP( PhaseCCP *ccp ) {
435 const Type *t = ccp->type(in(1)); 435 const Type *t = ccp->type(in(1));
436 if (!t->isa_oop_ptr() || in(1)->is_DecodeN()) { 436 if (!t->isa_oop_ptr() || (in(1)->is_DecodeN() && Universe::narrow_oop_use_implicit_null_checks())) {
437 return NULL; // do not transform raw pointers or narrow oops 437 return NULL; // do not transform raw pointers or narrow oops
438 } 438 }
439 return ConstraintCastNode::Ideal_DU_postCCP(ccp); 439 return ConstraintCastNode::Ideal_DU_postCCP(ccp);
440 } 440 }
441 441

mercurial