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/****************************************************************************
**
** Copyright (C) 2012 MIPS Technologies, www.mips.com, author Damir Tatalovic <dtatalovic@mips.com>
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, 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, Digia gives you certain additional
** rights. These rights are described in the Digia 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QT_MIPS_ASM_DSP_H
#define QT_MIPS_ASM_DSP_H
#if 0
#pragma qt_sync_stop_processing
#endif
#define zero $0
#define AT $1
#define v0 $2
#define v1 $3
#define a0 $4
#define a1 $5
#define a2 $6
#define a3 $7
#define t0 $8
#define t1 $9
#define t2 $10
#define t3 $11
#define t4 $12
#define t5 $13
#define t6 $14
#define t7 $15
#define s0 $16
#define s1 $17
#define s2 $18
#define s3 $19
#define s4 $20
#define s5 $21
#define s6 $22
#define s7 $23
#define t8 $24
#define t9 $25
#define k0 $26
#define k1 $27
#define gp $28
#define sp $29
#define fp $30
#define s8 $30
#define ra $31
/*
* LEAF_MIPS32R2 - declare leaf_mips32r2 routine
*/
#define LEAF_MIPS32R2(symbol) \
.globl symbol; \
.align 2; \
.type symbol,@function; \
.ent symbol,0; \
symbol: .frame sp, 0, ra; \
.set arch=mips32r2; \
.set noreorder;
/*
* LEAF_MIPS_DSP - declare leaf_mips_dsp routine
*/
#define LEAF_MIPS_DSP(symbol) \
LEAF_MIPS32R2(symbol) \
.set dsp;
/*
* LEAF_MIPS_DSPR2 - declare leaf_mips_dspr2 routine
*/
#define LEAF_MIPS_DSPR2(symbol) \
LEAF_MIPS32R2(symbol) \
.set dspr2;
/*
* END - mark end of function
*/
#define END(function) \
.set reorder; \
.end function; \
.size function,.-function
/*
* BYTE_MUL operation on two pixels (in_1 and in_2) with two
* multiplicator bytes, repl_a1 and repl_a2, which should be
* prepered with:
* replv.ph repl_a1, a1
* replv.ph repl_a2, a2
* to became such as:
* repl_a1 = | 00 | a1 | 00 | a1 |
* repl_a2 = | 00 | a2 | 00 | a2 |
*
* rounding_factor must have following value:
* li rounding_factor, 0x00800080
*
* scratch(n) - temporary registers
*
* in_const: 1 -> (default) causes that in_1, in_2
* registers will remain unchanged after usage
* 0 -> (or anything different then 1) causes
* that registers repl_a1, repl_a2 remain
* unchanged after usage
*/
.macro BYTE_MUL_x2 in_1, in_2, out_1, out_2 \
repl_a1, repl_a2, rounding_factor, \
scratch1, scratch2, scratch3, scratch4, \
in_const = 1
muleu_s.ph.qbl \scratch1, \in_1, \repl_a1
muleu_s.ph.qbr \scratch2, \in_1, \repl_a1
muleu_s.ph.qbl \scratch3, \in_2, \repl_a2
muleu_s.ph.qbr \scratch4, \in_2, \repl_a2
.if \in_const == 1
preceu.ph.qbla \repl_a1, \scratch1
preceu.ph.qbla \repl_a2, \scratch2
preceu.ph.qbla \out_1, \scratch3
preceu.ph.qbla \out_2, \scratch4
addu \scratch1, \repl_a1, \scratch1
addu \scratch2, \repl_a2, \scratch2
.else
preceu.ph.qbla \in_1, \scratch1
preceu.ph.qbla \in_2, \scratch2
preceu.ph.qbla \out_1, \scratch3
preceu.ph.qbla \out_2, \scratch4
addu \scratch1, \in_1, \scratch1
addu \scratch2, \in_2, \scratch2
.endif
addu \out_1, \out_1, \scratch3
addu \out_2, \out_2, \scratch4
addu \scratch1, \scratch1, \rounding_factor
addu \scratch2, \scratch2, \rounding_factor
addu \scratch3, \out_1, \rounding_factor
addu \scratch4, \out_2, \rounding_factor
precrq.qb.ph \out_1, \scratch1, \scratch2
precrq.qb.ph \out_2, \scratch3, \scratch4
.endm
/*
* BYTE_MUL operation on one pixel (in_1) with
* multiplicator byte, repl_a1, which should be
* prepered with:
* replv.ph repl_a1, a1
* to became such as:
* repl_a1 = | 00 | a1 | 00 | a1 |
*
* rounding_factor must have following value:
* li rounding_factor, 0x00800080
*
* scratch(n) - temporary registers
*/
.macro BYTE_MUL in_1, out_1, \
repl_a1, rounding_factor, \
scratch1, scratch2, scratch3, scratch4
muleu_s.ph.qbl \scratch1, \in_1, \repl_a1
muleu_s.ph.qbr \scratch2, \in_1, \repl_a1
preceu.ph.qbla \scratch3, \scratch1
preceu.ph.qbla \scratch4, \scratch2
addu \scratch1, \scratch1, \scratch3
addu \scratch1, \scratch1, \rounding_factor
addu \scratch2, \scratch2, \scratch4
addu \scratch2, \scratch2, \rounding_factor
precrq.qb.ph \out_1, \scratch1, \scratch2
.endm
/*
* macro for INTERPOLATE_PIXEL_255 operation
* in_1 - First value to multiply
* mul_1 - Multiplicator byte for first value
* in_2 - Second value to multiply
* mul_2 - Multiplicator byte for second value
* rounding_factor and andi_factor should be prepared
* as:
* li rounding_factor, 0x00800080
* li andi_factor, 0xff00ff00
* scratch(n) - temporary registers
*/
.macro INTERPOLATE_PIXEL_255 in_1, mul_1, \
in_2, mul_2, \
out_1, \
rounding_factor, andi_factor \
scratch1, scratch2, scratch3, scratch4
# x part
preceu.ph.qbra \scratch1, \in_1
preceu.ph.qbra \scratch2, \in_2
mul \scratch1, \scratch1, \mul_1
mul \scratch2, \scratch2, \mul_2
# x>>8 part
preceu.ph.qbla \scratch3, \in_1
preceu.ph.qbla \scratch4, \in_2
mul \scratch3, \scratch3, \mul_1
mul \scratch4, \scratch4, \mul_2
# x part
addu \scratch1, \scratch1, \scratch2
preceu.ph.qbla \scratch2, \scratch1
addu \scratch1, \scratch1, \scratch2
addu \scratch1, \scratch1, \rounding_factor
preceu.ph.qbla \scratch1, \scratch1
# x>>8 part
addu \scratch3, \scratch3, \scratch4
preceu.ph.qbla \scratch4, \scratch3
addu \scratch3, \scratch3, \scratch4
addu \scratch3, \scratch3, \rounding_factor
and \scratch3, \scratch3, \andi_factor
or \out_1, \scratch1, \scratch3
.endm
#endif // QT_MIPS_ASM_DSP_H
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