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