Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/opto/stringopts.cpp
src/share/vm/opto/stringopts.cpp
- changeset 1685
- 3f5b7efb9642
- parent 1515
- 7c57aead6d3e
- child 1907
- c18cbe5936b8
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| 1647:c028504fdaa6 | 1685:3f5b7efb9642 |
|---|---|
| 1 /* | 1 /* |
| 2 * Copyright 2009 Sun Microsystems, Inc. All Rights Reserved. | 2 * Copyright 2009-2010 Sun Microsystems, Inc. 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. |
| 1071 Node *mem = PhiNode::make(head, kit.memory(char_adr_idx), Type::MEMORY, TypeAryPtr::CHARS); | 1071 Node *mem = PhiNode::make(head, kit.memory(char_adr_idx), Type::MEMORY, TypeAryPtr::CHARS); |
| 1072 kit.gvn().set_type(mem, Type::MEMORY); | 1072 kit.gvn().set_type(mem, Type::MEMORY); |
| 1073 kit.set_control(head); | 1073 kit.set_control(head); |
| 1074 kit.set_memory(mem, char_adr_idx); | 1074 kit.set_memory(mem, char_adr_idx); |
| 1075 | 1075 |
| 1076 Node* q = __ DivI(kit.null(), i_phi, __ intcon(10)); | 1076 Node* q = __ DivI(NULL, i_phi, __ intcon(10)); |
| 1077 Node* r = __ SubI(i_phi, __ AddI(__ LShiftI(q, __ intcon(3)), | 1077 Node* r = __ SubI(i_phi, __ AddI(__ LShiftI(q, __ intcon(3)), |
| 1078 __ LShiftI(q, __ intcon(1)))); | 1078 __ LShiftI(q, __ intcon(1)))); |
| 1079 Node* m1 = __ SubI(charPos, __ intcon(1)); | 1079 Node* m1 = __ SubI(charPos, __ intcon(1)); |
| 1080 Node* ch = __ AddI(r, __ intcon('0')); | 1080 Node* ch = __ AddI(r, __ intcon('0')); |
| 1081 | 1081 |
| 1268 } else if (!type->higher_equal(TypeInstPtr::NOTNULL)) { | 1268 } else if (!type->higher_equal(TypeInstPtr::NOTNULL)) { |
| 1269 // s = s != null ? s : "null"; | 1269 // s = s != null ? s : "null"; |
| 1270 // length = length + (s.count - s.offset); | 1270 // length = length + (s.count - s.offset); |
| 1271 RegionNode *r = new (C, 3) RegionNode(3); | 1271 RegionNode *r = new (C, 3) RegionNode(3); |
| 1272 kit.gvn().set_type(r, Type::CONTROL); | 1272 kit.gvn().set_type(r, Type::CONTROL); |
| 1273 Node *phi = new (C, 3) PhiNode(r, type->join(TypeInstPtr::NOTNULL)); | 1273 Node *phi = new (C, 3) PhiNode(r, type); |
| 1274 kit.gvn().set_type(phi, phi->bottom_type()); | 1274 kit.gvn().set_type(phi, phi->bottom_type()); |
| 1275 Node* p = __ Bool(__ CmpP(arg, kit.null()), BoolTest::ne); | 1275 Node* p = __ Bool(__ CmpP(arg, kit.null()), BoolTest::ne); |
| 1276 IfNode* iff = kit.create_and_map_if(kit.control(), p, PROB_MIN, COUNT_UNKNOWN); | 1276 IfNode* iff = kit.create_and_map_if(kit.control(), p, PROB_MIN, COUNT_UNKNOWN); |
| 1277 Node* notnull = __ IfTrue(iff); | 1277 Node* notnull = __ IfTrue(iff); |
| 1278 Node* isnull = __ IfFalse(iff); | 1278 Node* isnull = __ IfFalse(iff); |
| 1279 kit.set_control(notnull); // set control for the cast_not_null | |
| 1279 r->init_req(1, notnull); | 1280 r->init_req(1, notnull); |
| 1280 phi->init_req(1, arg); | 1281 phi->init_req(1, kit.cast_not_null(arg, false)); |
| 1281 r->init_req(2, isnull); | 1282 r->init_req(2, isnull); |
| 1282 phi->init_req(2, null_string); | 1283 phi->init_req(2, null_string); |
| 1283 kit.set_control(r); | 1284 kit.set_control(r); |
| 1284 C->record_for_igvn(r); | 1285 C->record_for_igvn(r); |
| 1285 C->record_for_igvn(phi); | 1286 C->record_for_igvn(phi); |
