Mercurial > hg > graal-jvmci-8
view src/os_cpu/solaris_sparc/vm/solaris_sparc.s @ 24077:8a2db0a6c499 jdk8u102-b35
8152438: Threads may do significant work out of the non-shared overflow buffer
Summary: Before processing an element in the non-shared overflow buffer, try to push it into the local shared buffer to keep it full.
Reviewed-by: jmasa, ehelin, sjohanss
author | shshahma |
---|---|
date | Thu, 01 Sep 2016 06:16:05 -0700 |
parents | 55fb97c4c58d |
children | 4ca6dc0799b6 |
line wrap: on
line source
!! !! Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved. !! DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. !! !! This code is free software; you can redistribute it and/or modify it !! under the terms of the GNU General Public License version 2 only, as !! published by the Free Software Foundation. !! !! This code is distributed in the hope that it will be useful, but WITHOUT !! ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or !! FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License !! version 2 for more details (a copy is included in the LICENSE file that !! accompanied this code). !! !! You should have received a copy of the GNU General Public License version !! 2 along with this work; if not, write to the Free Software Foundation, !! Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. !! !! Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA !! or visit www.oracle.com if you need additional information or have any !! questions. !! !! Possibilities: !! -- membar !! -- CAS (SP + BIAS, G0, G0) !! -- wr %g0, %asi .global SpinPause .align 32 SpinPause: retl mov %g0, %o0 .globl _Copy_conjoint_jlongs_atomic .align 32 .global _Copy_conjoint_jlongs_atomic _Copy_conjoint_jlongs_atomic: cmp %o0, %o1 bleu 4f sll %o2, 3, %o4 ba 2f 1: subcc %o4, 8, %o4 std %o2, [%o1] add %o0, 8, %o0 add %o1, 8, %o1 2: bge,a 1b ldd [%o0], %o2 ba 5f nop 3: std %o2, [%o1+%o4] 4: subcc %o4, 8, %o4 bge,a 3b ldd [%o0+%o4], %o2 5: retl nop .globl _raw_thread_id .align 32 _raw_thread_id: .register %g7, #scratch retl mov %g7, %o0 .globl _flush_reg_windows .align 32 _flush_reg_windows: ta 0x03 retl mov %fp, %o0