Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/cpu/sparc/vm/assembler_sparc.cpp
src/cpu/sparc/vm/assembler_sparc.cpp
- changeset 2425
- 84f36150fcc3
- parent 2399
- 7737fa7ec2b5
- parent 2423
- b1a2afa37ec4
- child 2447
- 5577848f5923
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replaced
| 2417:5a1e52a439fa | 2425:84f36150fcc3 |
|---|---|
| 1 /* | 1 /* |
| 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 1997, 2011, 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. |
| 4100 // store klass last. concurrent gcs assumes klass length is valid if | 4100 // store klass last. concurrent gcs assumes klass length is valid if |
| 4101 // klass field is not null. | 4101 // klass field is not null. |
| 4102 store_klass(t2, top); | 4102 store_klass(t2, top); |
| 4103 verify_oop(top); | 4103 verify_oop(top); |
| 4104 | 4104 |
| 4105 ld_ptr(G2_thread, in_bytes(JavaThread::tlab_start_offset()), t1); | |
| 4106 sub(top, t1, t1); // size of tlab's allocated portion | |
| 4107 incr_allocated_bytes(t1, 0, t2); | |
| 4108 | |
| 4105 // refill the tlab with an eden allocation | 4109 // refill the tlab with an eden allocation |
| 4106 bind(do_refill); | 4110 bind(do_refill); |
| 4107 ld_ptr(G2_thread, in_bytes(JavaThread::tlab_size_offset()), t1); | 4111 ld_ptr(G2_thread, in_bytes(JavaThread::tlab_size_offset()), t1); |
| 4108 sll_ptr(t1, LogHeapWordSize, t1); | 4112 sll_ptr(t1, LogHeapWordSize, t1); |
| 4109 // add object_size ?? | 4113 // allocate new tlab, address returned in top |
| 4110 eden_allocate(top, t1, 0, t2, t3, slow_case); | 4114 eden_allocate(top, t1, 0, t2, t3, slow_case); |
| 4111 | 4115 |
| 4112 st_ptr(top, G2_thread, in_bytes(JavaThread::tlab_start_offset())); | 4116 st_ptr(top, G2_thread, in_bytes(JavaThread::tlab_start_offset())); |
| 4113 st_ptr(top, G2_thread, in_bytes(JavaThread::tlab_top_offset())); | 4117 st_ptr(top, G2_thread, in_bytes(JavaThread::tlab_top_offset())); |
| 4114 #ifdef ASSERT | 4118 #ifdef ASSERT |
| 4130 sub(top, ThreadLocalAllocBuffer::alignment_reserve_in_bytes(), top); | 4134 sub(top, ThreadLocalAllocBuffer::alignment_reserve_in_bytes(), top); |
| 4131 st_ptr(top, G2_thread, in_bytes(JavaThread::tlab_end_offset())); | 4135 st_ptr(top, G2_thread, in_bytes(JavaThread::tlab_end_offset())); |
| 4132 verify_tlab(); | 4136 verify_tlab(); |
| 4133 br(Assembler::always, false, Assembler::pt, retry); | 4137 br(Assembler::always, false, Assembler::pt, retry); |
| 4134 delayed()->nop(); | 4138 delayed()->nop(); |
| 4139 } | |
| 4140 | |
| 4141 void MacroAssembler::incr_allocated_bytes(Register var_size_in_bytes, | |
| 4142 int con_size_in_bytes, | |
| 4143 Register t1) { | |
| 4144 // Bump total bytes allocated by this thread | |
| 4145 assert(t1->is_global(), "must be global reg"); // so all 64 bits are saved on a context switch | |
| 4146 assert_different_registers(var_size_in_bytes, t1); | |
| 4147 // v8 support has gone the way of the dodo | |
| 4148 ldx(G2_thread, in_bytes(JavaThread::allocated_bytes_offset()), t1); | |
| 4149 if (var_size_in_bytes->is_valid()) { | |
| 4150 add(t1, var_size_in_bytes, t1); | |
| 4151 } else { | |
| 4152 add(t1, con_size_in_bytes, t1); | |
| 4153 } | |
| 4154 stx(t1, G2_thread, in_bytes(JavaThread::allocated_bytes_offset())); | |
| 4135 } | 4155 } |
| 4136 | 4156 |
| 4137 Assembler::Condition MacroAssembler::negate_condition(Assembler::Condition cond) { | 4157 Assembler::Condition MacroAssembler::negate_condition(Assembler::Condition cond) { |
| 4138 switch (cond) { | 4158 switch (cond) { |
| 4139 // Note some conditions are synonyms for others | 4159 // Note some conditions are synonyms for others |
