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101 lines
1.9 KiB
ArmAsm
101 lines
1.9 KiB
ArmAsm
/* This file is part of GDB, the GNU debugger.
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Copyright 2017-2018 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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.align 2
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.globl test_atomic_sequences
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#if _CALL_ELF == 2
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.type test_atomic_sequences,@function
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test_atomic_sequences:
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#else
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.section ".opd","aw"
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.align 3
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test_atomic_sequences:
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.quad .test_atomic_sequences,.TOC.@tocbase,0
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.size test_atomic_sequences,.-test_atomic_sequences
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.previous
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.globl .test_atomic_sequences
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.type .test_atomic_sequences,@function
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.test_atomic_sequences:
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#endif
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li 0,0
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addi 4,1,-8
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stb 0,0(4)
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1: lbarx 5,0,4
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cmpdi 5,0
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bne 2f
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addi 5,5,1
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stbcx. 5,0,4
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bne 1b
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sth 0,0(4)
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2: lharx 5,0,4
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cmpdi 5,0
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bne 3f
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addi 5,5,1
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sthcx. 5,0,4
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bne 2b
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#ifdef __BIG_ENDIAN__
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li 10,0
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li 6,0
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li 7,1
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std 10,-16(1)
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li 10,1
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std 10,-8(1)
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addi 4,1,-16
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#else
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std 9,40(1)
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li 9,1
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addi 4,1,32
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std 9,32(1)
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mr 8,9
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ld 3,8(4)
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#endif
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3: lqarx 10,0,4
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#ifdef __BIG_ENDIAN__
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li 8,0
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li 9,2
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mr 5,10
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xor 10,11,7
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xor 5,5,6
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or. 4,5,10
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bne 4f
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addi 10,1,-16
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stqcx. 8,0,10
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#else
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xor 9,11,8
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mr 6,11
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xor 11,10,3
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or. 0,9,11
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bne 4f
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li 14,0
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li 15,2
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stqcx. 14,0,4
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#endif
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bne 3b
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4: li 3,0
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blr
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#if _CALL_ELF == 2
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.size test_atomic_sequences,.-test_atomic_sequences
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#else
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.size .test_atomic_sequences,.-.test_atomic_sequences
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#endif
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