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comparison src/share/vm/opto/block.cpp @ 6804:e626685e9f6c

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7193318: C2: remove number of inputs requirement from Node's new operator Summary: Deleted placement new operator of Node - node(size_t, Compile *, int). Reviewed-by: kvn, twisti Contributed-by: bharadwaj.yadavalli@oracle.com
author kvn
date Thu, 27 Sep 2012 09:38:42 -0700
parents 1bd45abaa507
children b9a9ed0f8eeb
comparison
equal deleted inserted replaced
6803:06f52c4d0e18 6804:e626685e9f6c
376 { 376 {
377 ResourceMark rm; 377 ResourceMark rm;
378 // I'll need a few machine-specific GotoNodes. Make an Ideal GotoNode, 378 // I'll need a few machine-specific GotoNodes. Make an Ideal GotoNode,
379 // then Match it into a machine-specific Node. Then clone the machine 379 // then Match it into a machine-specific Node. Then clone the machine
380 // Node on demand. 380 // Node on demand.
381 Node *x = new (C, 1) GotoNode(NULL); 381 Node *x = new (C) GotoNode(NULL);
382 x->init_req(0, x); 382 x->init_req(0, x);
383 _goto = m.match_tree(x); 383 _goto = m.match_tree(x);
384 assert(_goto != NULL, ""); 384 assert(_goto != NULL, "");
385 _goto->set_req(0,_goto); 385 _goto->set_req(0,_goto);
386 386
430 p = p->in(0); // Move control forward 430 p = p->in(0); // Move control forward
431 } while( !p->is_block_proj() && 431 } while( !p->is_block_proj() &&
432 !p->is_block_start() ); 432 !p->is_block_start() );
433 // Make the block begin with one of Region or StartNode. 433 // Make the block begin with one of Region or StartNode.
434 if( !p->is_block_start() ) { 434 if( !p->is_block_start() ) {
435 RegionNode *r = new (C, 2) RegionNode( 2 ); 435 RegionNode *r = new (C) RegionNode( 2 );
436 r->init_req(1, p); // Insert RegionNode in the way 436 r->init_req(1, p); // Insert RegionNode in the way
437 proj->set_req(0, r); // Insert RegionNode in the way 437 proj->set_req(0, r); // Insert RegionNode in the way
438 p = r; 438 p = r;
439 } 439 }
440 // 'p' now points to the start of this basic block 440 // 'p' now points to the start of this basic block
506 // surrounding blocks. 506 // surrounding blocks.
507 float freq = in->_freq * in->succ_prob(succ_no); 507 float freq = in->_freq * in->succ_prob(succ_no);
508 // get ProjNode corresponding to the succ_no'th successor of the in block 508 // get ProjNode corresponding to the succ_no'th successor of the in block
509 ProjNode* proj = in->_nodes[in->_nodes.size() - in->_num_succs + succ_no]->as_Proj(); 509 ProjNode* proj = in->_nodes[in->_nodes.size() - in->_num_succs + succ_no]->as_Proj();
510 // create region for basic block 510 // create region for basic block
511 RegionNode* region = new (C, 2) RegionNode(2); 511 RegionNode* region = new (C) RegionNode(2);
512 region->init_req(1, proj); 512 region->init_req(1, proj);
513 // setup corresponding basic block 513 // setup corresponding basic block
514 Block* block = new (_bbs._arena) Block(_bbs._arena, region); 514 Block* block = new (_bbs._arena) Block(_bbs._arena, region);
515 _bbs.map(region->_idx, block); 515 _bbs.map(region->_idx, block);
516 C->regalloc()->set_bad(region->_idx); 516 C->regalloc()->set_bad(region->_idx);