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comparison src/share/vm/opto/loopTransform.cpp @ 14909:4ca6dc0799b6

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Backout jdk9 merge
author Gilles Duboscq <duboscq@ssw.jku.at>
date Tue, 01 Apr 2014 13:57:07 +0200
parents cd5d10655495
children 89152779163c
comparison
equal deleted inserted replaced
14908:8db6e76cb658 14909:4ca6dc0799b6
1 /* 1 /*
2 * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
711 switch (n->Opcode()) { 711 switch (n->Opcode()) {
712 case Op_XorI: xors_in_loop++; break; // CRC32 java code 712 case Op_XorI: xors_in_loop++; break; // CRC32 java code
713 case Op_ModL: body_size += 30; break; 713 case Op_ModL: body_size += 30; break;
714 case Op_DivL: body_size += 30; break; 714 case Op_DivL: body_size += 30; break;
715 case Op_MulL: body_size += 10; break; 715 case Op_MulL: body_size += 10; break;
716 case Op_FlagsProj:
717 // Can't handle unrolling of loops containing
718 // nodes that generate a FlagsProj at the moment
719 return false;
716 case Op_StrComp: 720 case Op_StrComp:
717 case Op_StrEquals: 721 case Op_StrEquals:
718 case Op_StrIndexOf: 722 case Op_StrIndexOf:
719 case Op_EncodeISOArray: 723 case Op_EncodeISOArray:
720 case Op_AryEq: { 724 case Op_AryEq: {
774 } 778 }
775 if (bol->as_Bool()->_test._test == BoolTest::ne) 779 if (bol->as_Bool()->_test._test == BoolTest::ne)
776 continue; // not RC 780 continue; // not RC
777 781
778 Node *cmp = bol->in(1); 782 Node *cmp = bol->in(1);
783 if (cmp->is_FlagsProj()) {
784 continue;
785 }
786
779 Node *rc_exp = cmp->in(1); 787 Node *rc_exp = cmp->in(1);
780 Node *limit = cmp->in(2); 788 Node *limit = cmp->in(2);
781 789
782 Node *limit_c = phase->get_ctrl(limit); 790 Node *limit_c = phase->get_ctrl(limit);
783 if( limit_c == phase->C->top() ) 791 if( limit_c == phase->C->top() )
2689 } else if (t == T_DOUBLE) { 2697 } else if (t == T_DOUBLE) {
2690 store_value = new (C) MoveD2LNode(store_value); 2698 store_value = new (C) MoveD2LNode(store_value);
2691 _igvn.register_new_node_with_optimizer(store_value); 2699 _igvn.register_new_node_with_optimizer(store_value);
2692 } 2700 }
2693 2701
2694 if (CCallingConventionRequiresIntsAsLongs &&
2695 // See StubRoutines::select_fill_function for types. FLOAT has been converted to INT.
2696 (t == T_FLOAT || t == T_INT || is_subword_type(t))) {
2697 store_value = new (C) ConvI2LNode(store_value);
2698 _igvn.register_new_node_with_optimizer(store_value);
2699 }
2700
2701 Node* mem_phi = store->in(MemNode::Memory); 2702 Node* mem_phi = store->in(MemNode::Memory);
2702 Node* result_ctrl; 2703 Node* result_ctrl;
2703 Node* result_mem; 2704 Node* result_mem;
2704 const TypeFunc* call_type = OptoRuntime::array_fill_Type(); 2705 const TypeFunc* call_type = OptoRuntime::array_fill_Type();
2705 CallLeafNode *call = new (C) CallLeafNoFPNode(call_type, fill, 2706 CallLeafNode *call = new (C) CallLeafNoFPNode(call_type, fill,
2706 fill_name, TypeAryPtr::get_array_body_type(t)); 2707 fill_name, TypeAryPtr::get_array_body_type(t));
2707 uint cnt = 0; 2708 call->init_req(TypeFunc::Parms+0, from);
2708 call->init_req(TypeFunc::Parms + cnt++, from); 2709 call->init_req(TypeFunc::Parms+1, store_value);
2709 call->init_req(TypeFunc::Parms + cnt++, store_value);
2710 if (CCallingConventionRequiresIntsAsLongs) {
2711 call->init_req(TypeFunc::Parms + cnt++, C->top());
2712 }
2713 #ifdef _LP64 2710 #ifdef _LP64
2714 len = new (C) ConvI2LNode(len); 2711 len = new (C) ConvI2LNode(len);
2715 _igvn.register_new_node_with_optimizer(len); 2712 _igvn.register_new_node_with_optimizer(len);
2716 #endif 2713 #endif
2717 call->init_req(TypeFunc::Parms + cnt++, len); 2714 call->init_req(TypeFunc::Parms+2, len);
2718 #ifdef _LP64 2715 #ifdef _LP64
2719 call->init_req(TypeFunc::Parms + cnt++, C->top()); 2716 call->init_req(TypeFunc::Parms+3, C->top());
2720 #endif 2717 #endif
2721 call->init_req(TypeFunc::Control, head->init_control()); 2718 call->init_req( TypeFunc::Control, head->init_control());
2722 call->init_req(TypeFunc::I_O, C->top()); // Does no I/O. 2719 call->init_req( TypeFunc::I_O , C->top() ) ; // does no i/o
2723 call->init_req(TypeFunc::Memory, mem_phi->in(LoopNode::EntryControl)); 2720 call->init_req( TypeFunc::Memory , mem_phi->in(LoopNode::EntryControl) );
2724 call->init_req(TypeFunc::ReturnAdr, C->start()->proj_out(TypeFunc::ReturnAdr)); 2721 call->init_req( TypeFunc::ReturnAdr, C->start()->proj_out(TypeFunc::ReturnAdr) );
2725 call->init_req(TypeFunc::FramePtr, C->start()->proj_out(TypeFunc::FramePtr)); 2722 call->init_req( TypeFunc::FramePtr, C->start()->proj_out(TypeFunc::FramePtr) );
2726 _igvn.register_new_node_with_optimizer(call); 2723 _igvn.register_new_node_with_optimizer(call);
2727 result_ctrl = new (C) ProjNode(call,TypeFunc::Control); 2724 result_ctrl = new (C) ProjNode(call,TypeFunc::Control);
2728 _igvn.register_new_node_with_optimizer(result_ctrl); 2725 _igvn.register_new_node_with_optimizer(result_ctrl);
2729 result_mem = new (C) ProjNode(call,TypeFunc::Memory); 2726 result_mem = new (C) ProjNode(call,TypeFunc::Memory);
2730 _igvn.register_new_node_with_optimizer(result_mem); 2727 _igvn.register_new_node_with_optimizer(result_mem);