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/****************************************************************************
**
** Copyright (C) 2012 MIPS Technologies, www.mips.com, author Damir Tatalovic <dtatalovic@mips.com>
** Contact: http://www.qt-project.org/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qt_mips_asm_dsp.h"
LEAF_MIPS_DSPR2(INTERPOLATE_PIXEL_255_asm_mips_dspr2)
/*
* a0 - uint x (First value to multiply)
* a1 - uint a (Multiplicator byte for first value)
* a2 - uint y (Second value to multiply)
* a3 - uint b (Multiplicator byte for second value)
*/
.set reorder
replv.ph a1, a1
replv.ph a3, a3
li t8, 8388736
muleu_s.ph.qbl t0, a0, a1
muleu_s.ph.qbl t1, a2, a3
muleu_s.ph.qbr t2, a0, a1
muleu_s.ph.qbr t3, a2, a3
addu.ph t4, t0, t1
addu.ph t5, t2, t3
preceu.ph.qbla t0, t4
addu t1, t0, t8
addu t1, t4, t1
preceu.ph.qbla t6, t5
addu t7, t6, t8
addu t7, t5, t7
precrq.qb.ph t2, t1, t7
move v0, t2
j ra
END(INTERPOLATE_PIXEL_255_asm_mips_dspr2)
LEAF_MIPS_DSPR2(BYTE_MUL_asm_mips_dspr2)
/*
* a0 - uint x (Value to multiply)
* a1 - uint a (Multiplicator byte)
*/
.set reorder
replv.ph a1, a1 /* a1 = 0x00a00a */
li t4, 8388736 /* t4 = 0x800080 */
muleu_s.ph.qbl t0, a0, a1
muleu_s.ph.qbr t2, a0, a1
preceu.ph.qbla t1, t0
addu t0, t0, t1
addu t0, t0, t4
preceu.ph.qbla t3, t2
addu t2, t2, t3
addu t2, t2, t4
precrq.qb.ph t4, t0, t2
move v0, t4
j ra
END(BYTE_MUL_asm_mips_dspr2)
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