Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/cpu/sparc/vm/templateTable_sparc.cpp
src/cpu/sparc/vm/templateTable_sparc.cpp
- changeset 2423
- b1a2afa37ec4
- parent 2314
- f95d63e2154a
- child 2440
- bb8e3b66bde6
- child 2447
- 5577848f5923
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inserted
replaced
| 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. |
| 3391 __ brx(Assembler::lessEqualUnsigned, true, Assembler::pt, initialize_object); | 3391 __ brx(Assembler::lessEqualUnsigned, true, Assembler::pt, initialize_object); |
| 3392 } | 3392 } |
| 3393 __ delayed()->st_ptr(RnewTopValue, G2_thread, in_bytes(JavaThread::tlab_top_offset())); | 3393 __ delayed()->st_ptr(RnewTopValue, G2_thread, in_bytes(JavaThread::tlab_top_offset())); |
| 3394 | 3394 |
| 3395 if (allow_shared_alloc) { | 3395 if (allow_shared_alloc) { |
| 3396 // Check if tlab should be discarded (refill_waste_limit >= free) | 3396 // Check if tlab should be discarded (refill_waste_limit >= free) |
| 3397 __ ld_ptr(G2_thread, in_bytes(JavaThread::tlab_refill_waste_limit_offset()), RtlabWasteLimitValue); | 3397 __ ld_ptr(G2_thread, in_bytes(JavaThread::tlab_refill_waste_limit_offset()), RtlabWasteLimitValue); |
| 3398 __ sub(RendValue, RoldTopValue, RfreeValue); | 3398 __ sub(RendValue, RoldTopValue, RfreeValue); |
| 3399 #ifdef _LP64 | 3399 #ifdef _LP64 |
| 3400 __ srlx(RfreeValue, LogHeapWordSize, RfreeValue); | 3400 __ srlx(RfreeValue, LogHeapWordSize, RfreeValue); |
| 3401 #else | 3401 #else |
| 3402 __ srl(RfreeValue, LogHeapWordSize, RfreeValue); | 3402 __ srl(RfreeValue, LogHeapWordSize, RfreeValue); |
| 3403 #endif | 3403 #endif |
| 3404 __ cmp(RtlabWasteLimitValue, RfreeValue); | 3404 __ cmp(RtlabWasteLimitValue, RfreeValue); |
| 3405 __ brx(Assembler::greaterEqualUnsigned, false, Assembler::pt, slow_case); // tlab waste is small | 3405 __ brx(Assembler::greaterEqualUnsigned, false, Assembler::pt, slow_case); // tlab waste is small |
| 3406 __ delayed()->nop(); | 3406 __ delayed()->nop(); |
| 3407 | 3407 |
| 3408 // increment waste limit to prevent getting stuck on this slow path | 3408 // increment waste limit to prevent getting stuck on this slow path |
| 3409 __ add(RtlabWasteLimitValue, ThreadLocalAllocBuffer::refill_waste_limit_increment(), RtlabWasteLimitValue); | 3409 __ add(RtlabWasteLimitValue, ThreadLocalAllocBuffer::refill_waste_limit_increment(), RtlabWasteLimitValue); |
| 3410 __ st_ptr(RtlabWasteLimitValue, G2_thread, in_bytes(JavaThread::tlab_refill_waste_limit_offset())); | 3410 __ st_ptr(RtlabWasteLimitValue, G2_thread, in_bytes(JavaThread::tlab_refill_waste_limit_offset())); |
| 3411 } else { | 3411 } else { |
| 3412 // No allocation in the shared eden. | 3412 // No allocation in the shared eden. |
| 3413 __ br(Assembler::always, false, Assembler::pt, slow_case); | 3413 __ br(Assembler::always, false, Assembler::pt, slow_case); |
| 3414 __ delayed()->nop(); | 3414 __ delayed()->nop(); |
| 3415 } | 3415 } |
| 3443 | 3443 |
| 3444 // if someone beat us on the allocation, try again, otherwise continue | 3444 // if someone beat us on the allocation, try again, otherwise continue |
| 3445 __ cmp(RoldTopValue, RnewTopValue); | 3445 __ cmp(RoldTopValue, RnewTopValue); |
| 3446 __ brx(Assembler::notEqual, false, Assembler::pn, retry); | 3446 __ brx(Assembler::notEqual, false, Assembler::pn, retry); |
| 3447 __ delayed()->nop(); | 3447 __ delayed()->nop(); |
| 3448 | |
| 3449 // bump total bytes allocated by this thread | |
| 3450 __ incr_allocated_bytes(Roffset, 0, G1_scratch); | |
| 3448 } | 3451 } |
| 3449 | 3452 |
| 3450 if (UseTLAB || Universe::heap()->supports_inline_contig_alloc()) { | 3453 if (UseTLAB || Universe::heap()->supports_inline_contig_alloc()) { |
| 3451 // clear object fields | 3454 // clear object fields |
| 3452 __ bind(initialize_object); | 3455 __ bind(initialize_object); |
