Last change
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Copyright year updates by scm.
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1 | ; $Id: tstAsmSignExtend-1.asm 98103 2023-01-17 14:15:46Z 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) 2008-2023 Oracle and/or its affiliates.
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12 | ;
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13 | ; This file is part of VirtualBox base platform packages, as
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14 | ; available from https://www.virtualbox.org.
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15 | ;
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16 | ; This program is free software; you can redistribute it and/or
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17 | ; modify it under the terms of the GNU General Public License
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18 | ; as published by the Free Software Foundation, in version 3 of the
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19 | ; License.
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20 | ;
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21 | ; This program is distributed in the hope that it will be useful, but
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22 | ; WITHOUT ANY WARRANTY; without even the implied warranty of
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23 | ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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24 | ; General Public License for more details.
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25 | ;
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26 | ; You should have received a copy of the GNU General Public License
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27 | ; along with this program; if not, see <https://www.gnu.org/licenses>.
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28 | ;
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29 | ; SPDX-License-Identifier: GPL-3.0-only
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30 | ;
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31 |
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32 | %include "tstAsm.mac"
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33 | BITS TEST_BITS
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34 |
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35 | movsx ax, al
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36 | movsx eax, al
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37 | movsx eax, ax
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38 |
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39 | ;
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40 | ; ParseImmByteSX
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41 | ;
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42 |
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43 | ; 83 /x
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44 | add eax, strict byte 8
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45 | add eax, strict byte -1
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46 | cmp ebx, strict byte -1
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47 |
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48 | add ax, strict byte 8
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49 | add ax, strict byte -1
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50 | cmp bx, strict byte -1
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51 |
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52 | %if TEST_BITS == 64 ; check that these come out with qword values and not words or dwords.
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53 | add rax, strict byte 8
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54 | add rax, strict byte -1
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55 | cmp rbx, strict byte -1
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56 | %endif
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57 |
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58 | ; push %Ib
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59 | push strict byte -1
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60 | push strict byte -128
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61 | push strict byte 127
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62 |
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63 | ;; @todo imul
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