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annotate src/os_cpu/solaris_sparc/vm/solaris_sparc.s @ 14909:4ca6dc0799b6

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Backout jdk9 merge
author Gilles Duboscq <duboscq@ssw.jku.at>
date Tue, 01 Apr 2014 13:57:07 +0200
parents de6a9e811145
children 89152779163c
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1 !!
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4ca6dc0799b6 Backout jdk9 merge
Gilles Duboscq <duboscq@ssw.jku.at>
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2 !! Copyright (c) 2005, 2008, Oracle and/or its affiliates. All rights reserved.
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3 !! DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 !!
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5 !! This code is free software; you can redistribute it and/or modify it
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6 !! under the terms of the GNU General Public License version 2 only, as
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7 !! published by the Free Software Foundation.
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8 !!
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9 !! This code is distributed in the hope that it will be useful, but WITHOUT
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10 !! ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 !! FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 !! version 2 for more details (a copy is included in the LICENSE file that
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13 !! accompanied this code).
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14 !!
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15 !! You should have received a copy of the GNU General Public License version
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16 !! 2 along with this work; if not, write to the Free Software Foundation,
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17 !! Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 !!
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c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
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19 !! Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 !! or visit www.oracle.com if you need additional information or have any
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21 !! questions.
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22 !!
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23
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24 !! Possibilities:
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25 !! -- membar
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26 !! -- CAS (SP + BIAS, G0, G0)
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27 !! -- wr %g0, %asi
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28
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29 .global SpinPause
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30 .align 32
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31 SpinPause:
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32 retl
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33 mov %g0, %o0
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34
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35
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37 .globl _Copy_conjoint_jlongs_atomic
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38 .align 32
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39 .global _Copy_conjoint_jlongs_atomic
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40 _Copy_conjoint_jlongs_atomic:
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41 cmp %o0, %o1
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42 bleu 4f
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43 sll %o2, 3, %o4
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44 ba 2f
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45 1:
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46 subcc %o4, 8, %o4
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47 std %o2, [%o1]
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48 add %o0, 8, %o0
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49 add %o1, 8, %o1
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50 2:
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51 bge,a 1b
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52 ldd [%o0], %o2
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53 ba 5f
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54 nop
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55 3:
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56 std %o2, [%o1+%o4]
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57 4:
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58 subcc %o4, 8, %o4
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59 bge,a 3b
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60 ldd [%o0+%o4], %o2
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61 5:
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62 retl
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63 nop
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64
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66
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67 .globl _raw_thread_id
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68 .align 32
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69 _raw_thread_id:
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ba764ed4b6f2 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes
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70 .register %g7, #scratch
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71 retl
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72 mov %g7, %o0
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73
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75 .globl _flush_reg_windows
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76 .align 32
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77 _flush_reg_windows:
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78 ta 0x03
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79 retl
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80 mov %fp, %o0
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81
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