1 /****************************************************************************
3 ** Copyright (C) 2012 MIPS Technologies, www.mips.com, author Damir Tatalovic <dtatalovic@mips.com>
4 ** Contact: http://www.qt-project.org/
6 ** This file is part of the QtGui module of the Qt Toolkit.
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** GNU Lesser General Public License Usage
10 ** This file may be used under the terms of the GNU Lesser General Public
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12 ** appearing in the file LICENSE.LGPL included in the packaging of this
13 ** file. Please review the following information to ensure the GNU Lesser
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17 ** In addition, as a special exception, Nokia gives you certain additional
18 ** rights. These rights are described in the Nokia Qt LGPL Exception
19 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
21 ** GNU General Public License Usage
22 ** Alternatively, this file may be used under the terms of the GNU General
23 ** Public License version 3.0 as published by the Free Software Foundation
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25 ** file. Please review the following information to ensure the GNU General
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40 ****************************************************************************/
42 #include "qt_mips_asm_dsp.h"
44 LEAF_MIPS_DSPR2(INTERPOLATE_PIXEL_255_asm_mips_dspr2)
46 * a0 - uint x (First value to multiply)
47 * a1 - uint a (Multiplicator byte for first value)
48 * a2 - uint y (Second value to multiply)
49 * a3 - uint b (Multiplicator byte for second value)
56 muleu_s.ph.qbl t0, a0, a1
57 muleu_s.ph.qbl t1, a2, a3
58 muleu_s.ph.qbr t2, a0, a1
59 muleu_s.ph.qbr t3, a2, a3
68 precrq.qb.ph t2, t1, t7
72 END(INTERPOLATE_PIXEL_255_asm_mips_dspr2)
74 LEAF_MIPS_DSPR2(BYTE_MUL_asm_mips_dspr2)
76 * a0 - uint x (Value to multiply)
77 * a1 - uint a (Multiplicator byte)
81 replv.ph a1, a1 /* a1 = 0x00a00a */
82 li t4, 8388736 /* t4 = 0x800080 */
83 muleu_s.ph.qbl t0, a0, a1
84 muleu_s.ph.qbr t2, a0, a1
91 precrq.qb.ph t4, t0, t2
95 END(BYTE_MUL_asm_mips_dspr2)