Last change
on this file since 78230 was 76553, checked in by vboxsync, 6 years ago |
scm --update-copyright-year
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1 | ; $Id: tstAsmSignExtend-1.asm 76553 2019-01-01 01:45:53Z vboxsync $
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2 | ;; @file
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3 | ; Disassembly testcase - Valid sign extension instructions.
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4 | ;
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5 | ; This is a build test, that means it will be assembled, disassembled,
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6 | ; then the disassembly output will be assembled and the new binary will
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7 | ; compared with the original.
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8 | ;
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9 |
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10 | ;
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11 | ; Copyright (C) 2008-2019 Oracle Corporation
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12 | ;
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13 | ; This file is part of VirtualBox Open Source Edition (OSE), as
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14 | ; available from http://www.virtualbox.org. This file is free software;
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15 | ; you can redistribute it and/or modify it under the terms of the GNU
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16 | ; General Public License (GPL) as published by the Free Software
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17 | ; Foundation, in version 2 as it comes in the "COPYING" file of the
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18 | ; VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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19 | ; hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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20 | ;
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21 |
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22 | %include "tstAsm.mac"
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23 | BITS TEST_BITS
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24 |
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25 | movsx ax, al
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26 | movsx eax, al
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27 | movsx eax, ax
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28 |
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29 | ;
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30 | ; ParseImmByteSX
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31 | ;
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32 |
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33 | ; 83 /x
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34 | add eax, strict byte 8
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35 | add eax, strict byte -1
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36 | cmp ebx, strict byte -1
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37 |
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38 | add ax, strict byte 8
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39 | add ax, strict byte -1
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40 | cmp bx, strict byte -1
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41 |
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42 | %if TEST_BITS == 64 ; check that these come out with qword values and not words or dwords.
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43 | add rax, strict byte 8
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44 | add rax, strict byte -1
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45 | cmp rbx, strict byte -1
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46 | %endif
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47 |
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48 | ; push %Ib
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49 | push strict byte -1
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50 | push strict byte -128
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51 | push strict byte 127
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52 |
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53 | ;; @todo imul
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