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test_lduh.s
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test_lduh.s
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; -*- mode: mr32asm; tab-width: 4; indent-tabs-mode: nil; -*-
;-----------------------------------------------------------------------------
; Copyright (c) 2020 Marcus Geelnard
;
; This software is provided 'as-is', without any express or implied warranty.
; In no event will the authors be held liable for any damages arising from
; the use of this software.
;
; Permission is granted to anyone to use this software for any purpose,
; including commercial applications, and to alter it and redistribute it
; freely, subject to the following restrictions:
;
; 1. The origin of this software must not be misrepresented; you must not
; claim that you wrote the original software. If you use this software in
; a product, an acknowledgment in the product documentation would be
; appreciated but is not required.
;
; 2. Altered source versions must be plainly marked as such, and must not be
; misrepresented as being the original software.
;
; 3. This notice may not be removed or altered from any source distribution.
;-----------------------------------------------------------------------------
.include "selftest.inc"
BEGIN_TEST test_lduh
addpchi r9, #data@pchi
add r9, r9, #data+4@pclo
; Immediate offset.
lduh r11, [r9]
CHECKEQ r11, 1
lduh r11, [r9, #4]
CHECKEQ r11, 3
lduh r11, [r9, #6]
CHECKEQ r11, 0x0000fffc
; Register offset.
lduh r11, [r9, z]
CHECKEQ r11, 1
ldi r10, #7*2
lduh r11, [r9, r10]
CHECKEQ r11, 0x0000fff8
; Register offset with scale.
ldi r10, #1
lduh r11, [r9, r10*2]
CHECKEQ r11, 0x0000fffe
lduh r11, [r9, r10*4]
CHECKEQ r11, 3
lduh r11, [r9, r10*8]
CHECKEQ r11, 5
END_TEST
.p2align 1
data:
.short 1, -2, 3, -4, 5, -6, 7, -8, 9