Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/cpu/sparc/vm/assembler_sparc.cpp
src/cpu/sparc/vm/assembler_sparc.cpp
- changeset 2423
- b1a2afa37ec4
- parent 2350
- 2f644f85485d
- child 2425
- 84f36150fcc3
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| 2420:039eb4201e06 | 2423:b1a2afa37ec4 |
|---|---|
| 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. |
| 4081 // store klass last. concurrent gcs assumes klass length is valid if | 4081 // store klass last. concurrent gcs assumes klass length is valid if |
| 4082 // klass field is not null. | 4082 // klass field is not null. |
| 4083 store_klass(t2, top); | 4083 store_klass(t2, top); |
| 4084 verify_oop(top); | 4084 verify_oop(top); |
| 4085 | 4085 |
| 4086 ld_ptr(G2_thread, in_bytes(JavaThread::tlab_start_offset()), t1); | |
| 4087 sub(top, t1, t1); // size of tlab's allocated portion | |
| 4088 incr_allocated_bytes(t1, 0, t2); | |
| 4089 | |
| 4086 // refill the tlab with an eden allocation | 4090 // refill the tlab with an eden allocation |
| 4087 bind(do_refill); | 4091 bind(do_refill); |
| 4088 ld_ptr(G2_thread, in_bytes(JavaThread::tlab_size_offset()), t1); | 4092 ld_ptr(G2_thread, in_bytes(JavaThread::tlab_size_offset()), t1); |
| 4089 sll_ptr(t1, LogHeapWordSize, t1); | 4093 sll_ptr(t1, LogHeapWordSize, t1); |
| 4090 // add object_size ?? | 4094 // allocate new tlab, address returned in top |
| 4091 eden_allocate(top, t1, 0, t2, t3, slow_case); | 4095 eden_allocate(top, t1, 0, t2, t3, slow_case); |
| 4092 | 4096 |
| 4093 st_ptr(top, G2_thread, in_bytes(JavaThread::tlab_start_offset())); | 4097 st_ptr(top, G2_thread, in_bytes(JavaThread::tlab_start_offset())); |
| 4094 st_ptr(top, G2_thread, in_bytes(JavaThread::tlab_top_offset())); | 4098 st_ptr(top, G2_thread, in_bytes(JavaThread::tlab_top_offset())); |
| 4095 #ifdef ASSERT | 4099 #ifdef ASSERT |
| 4111 sub(top, ThreadLocalAllocBuffer::alignment_reserve_in_bytes(), top); | 4115 sub(top, ThreadLocalAllocBuffer::alignment_reserve_in_bytes(), top); |
| 4112 st_ptr(top, G2_thread, in_bytes(JavaThread::tlab_end_offset())); | 4116 st_ptr(top, G2_thread, in_bytes(JavaThread::tlab_end_offset())); |
| 4113 verify_tlab(); | 4117 verify_tlab(); |
| 4114 br(Assembler::always, false, Assembler::pt, retry); | 4118 br(Assembler::always, false, Assembler::pt, retry); |
| 4115 delayed()->nop(); | 4119 delayed()->nop(); |
| 4120 } | |
| 4121 | |
| 4122 void MacroAssembler::incr_allocated_bytes(Register var_size_in_bytes, | |
| 4123 int con_size_in_bytes, | |
| 4124 Register t1) { | |
| 4125 // Bump total bytes allocated by this thread | |
| 4126 assert(t1->is_global(), "must be global reg"); // so all 64 bits are saved on a context switch | |
| 4127 assert_different_registers(var_size_in_bytes, t1); | |
| 4128 // v8 support has gone the way of the dodo | |
| 4129 ldx(G2_thread, in_bytes(JavaThread::allocated_bytes_offset()), t1); | |
| 4130 if (var_size_in_bytes->is_valid()) { | |
| 4131 add(t1, var_size_in_bytes, t1); | |
| 4132 } else { | |
| 4133 add(t1, con_size_in_bytes, t1); | |
| 4134 } | |
| 4135 stx(t1, G2_thread, in_bytes(JavaThread::allocated_bytes_offset())); | |
| 4116 } | 4136 } |
| 4117 | 4137 |
| 4118 Assembler::Condition MacroAssembler::negate_condition(Assembler::Condition cond) { | 4138 Assembler::Condition MacroAssembler::negate_condition(Assembler::Condition cond) { |
| 4119 switch (cond) { | 4139 switch (cond) { |
| 4120 // Note some conditions are synonyms for others | 4140 // Note some conditions are synonyms for others |
