mirror of
https://github.com/openjdk/jdk.git
synced 2025-08-25 22:04:51 +02:00
ef69ce852c
Implement Safefetch as stub routines. This reduces compiler and os dependencies. Reviewed-by: twisti, kvn
69 lines
1.8 KiB
ArmAsm
69 lines
1.8 KiB
ArmAsm
#
|
|
# Copyright (c) 2005, 2008, 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
|
|
|
|
.globl SpinPause
|
|
.type SpinPause,@function
|
|
.align 32
|
|
SpinPause:
|
|
retl
|
|
mov %g0, %o0
|
|
|
|
.globl _Copy_conjoint_jlongs_atomic
|
|
.type _Copy_conjoint_jlongs_atomic,@function
|
|
_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 _flush_reg_windows
|
|
.align 32
|
|
_flush_reg_windows:
|
|
ta 0x03
|
|
retl
|
|
mov %fp, %o0
|