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; $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) 2008-2023 Oracle and/or its affiliates.
;
; This file is part of VirtualBox base platform packages, as
; available from https://www.virtualbox.org.
;
; This program is free software; you can redistribute it and/or
; modify it under the terms of the GNU General Public License
; as published by the Free Software Foundation, in version 3 of the
; License.
;
; This program is distributed in the hope that it will be useful, but
; WITHOUT ANY WARRANTY; without even the implied warranty of
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
; General Public License for more details.
;
; You should have received a copy of the GNU General Public License
; along with this program; if not, see <https://www.gnu.org/licenses>.
;
; SPDX-License-Identifier: GPL-3.0-only
;
%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
|
