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FFmpeg/libavcodec/mips/compute_antialias_float.h

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Optimization of MP3 decoders for MIPS MP3 fixed and floating point decoders are optimized for MIPS architecture. Signed-off-by: Nedeljko Babic <nbabic@mips.com> Reviewed-by: Vitor Sessak <vitor1001@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
/*
* Copyright (c) 2012
* MIPS Technologies, Inc., California.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the MIPS Technologies, Inc., nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE MIPS TECHNOLOGIES, INC. ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE MIPS TECHNOLOGIES, INC. BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* Author: Bojan Zivkovic (bojan@mips.com)
*
* Compute antialias function optimised for MIPS floating-point architecture
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* Reference: libavcodec/mpegaudiodec.c
*/
#ifndef AVCODEC_MIPS_COMPUTE_ANTIALIAS_FLOAT_H
#define AVCODEC_MIPS_COMPUTE_ANTIALIAS_FLOAT_H
mips: port optimizations to mips n64 This mainly consists of replacing all the pointer arithmatic 'addiu' instructions with PTR_ADDIU which will handle the differences in pointer sizes when compiled on 64 bit mips systems. The header asmdefs.h contains the PTR_ macros which expend to the correct mips instructions to manipulate registers containing pointers. Signed-off-by: James Cowgill <james410@cowgill.org.uk> Reviewed-by: Nedeljko Babic <Nedeljko.Babic@imgtec.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
#include "libavutil/mips/asmdefs.h"
mips: Add dependencies on HAVE_INLINE_ASM Add dependencies on HAVE_INLINE_ASM for files and parts of code where it is necessary. Signed-off-by: Nedeljko Babic <nbabic@mips.com> Reviewed-by: Vitor Sessak <vitor1001@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
#if HAVE_INLINE_ASM
mips: add support for R6 Understanding the mips32r6 and mips64r6 ISAs in the configure script is not enough. In order to have full support for MIPS R6 in FFmpeg we need to be able to build it, and for that we need to make sure we don't use incompatible assembler code which makes the build fail. Ifdefing the offending code is sufficient to fix the problem. Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
9 years ago
#if !HAVE_MIPS32R6 && !HAVE_MIPS64R6
Optimization of MP3 decoders for MIPS MP3 fixed and floating point decoders are optimized for MIPS architecture. Signed-off-by: Nedeljko Babic <nbabic@mips.com> Reviewed-by: Vitor Sessak <vitor1001@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
static void compute_antialias_mips_float(MPADecodeContext *s,
GranuleDef *g)
{
float *ptr, *ptr_end;
float *csa = &csa_table[0][0];
/* temporary variables */
float in1, in2, in3, in4, in5, in6, in7, in8;
float out1, out2, out3, out4;
ptr = g->sb_hybrid + 18;
/* we antialias only "long" bands */
if (g->block_type == 2) {
if (!g->switch_point)
return;
/* XXX: check this for 8000Hz case */
ptr_end = ptr + 18;
} else {
ptr_end = ptr + 558;
}
/**
* instructions are scheduled to minimize pipeline stall.
*/
replace all __volatile__ by volatile __volatile__ can cause problems with some compilers and volatile is a standard keyword. Found-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
__asm__ volatile (
Optimization of MP3 decoders for MIPS MP3 fixed and floating point decoders are optimized for MIPS architecture. Signed-off-by: Nedeljko Babic <nbabic@mips.com> Reviewed-by: Vitor Sessak <vitor1001@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
"compute_antialias_float_loop%=: \t\n"
"lwc1 %[in1], -1*4(%[ptr]) \t\n"
"lwc1 %[in2], 0(%[csa]) \t\n"
"lwc1 %[in3], 1*4(%[csa]) \t\n"
"lwc1 %[in4], 0(%[ptr]) \t\n"
"lwc1 %[in5], -2*4(%[ptr]) \t\n"
"lwc1 %[in6], 4*4(%[csa]) \t\n"
"mul.s %[out1], %[in1], %[in2] \t\n"
"mul.s %[out2], %[in1], %[in3] \t\n"
"lwc1 %[in7], 5*4(%[csa]) \t\n"
"lwc1 %[in8], 1*4(%[ptr]) \t\n"
"nmsub.s %[out1], %[out1], %[in3], %[in4] \t\n"
"madd.s %[out2], %[out2], %[in2], %[in4] \t\n"
"mul.s %[out3], %[in5], %[in6] \t\n"
"mul.s %[out4], %[in5], %[in7] \t\n"
"lwc1 %[in1], -3*4(%[ptr]) \t\n"
"swc1 %[out1], -1*4(%[ptr]) \t\n"
"swc1 %[out2], 0(%[ptr]) \t\n"
"nmsub.s %[out3], %[out3], %[in7], %[in8] \t\n"
"madd.s %[out4], %[out4], %[in6], %[in8] \t\n"
"lwc1 %[in2], 8*4(%[csa]) \t\n"
"swc1 %[out3], -2*4(%[ptr]) \t\n"
"swc1 %[out4], 1*4(%[ptr]) \t\n"
"lwc1 %[in3], 9*4(%[csa]) \t\n"
"lwc1 %[in4], 2*4(%[ptr]) \t\n"
"mul.s %[out1], %[in1], %[in2] \t\n"
"lwc1 %[in5], -4*4(%[ptr]) \t\n"
"lwc1 %[in6], 12*4(%[csa]) \t\n"
"mul.s %[out2], %[in1], %[in3] \t\n"
"lwc1 %[in7], 13*4(%[csa]) \t\n"
"nmsub.s %[out1], %[out1], %[in3], %[in4] \t\n"
"lwc1 %[in8], 3*4(%[ptr]) \t\n"
"mul.s %[out3], %[in5], %[in6] \t\n"
"madd.s %[out2], %[out2], %[in2], %[in4] \t\n"
"mul.s %[out4], %[in5], %[in7] \t\n"
"swc1 %[out1], -3*4(%[ptr]) \t\n"
"lwc1 %[in1], -5*4(%[ptr]) \t\n"
"nmsub.s %[out3], %[out3], %[in7], %[in8] \t\n"
"swc1 %[out2], 2*4(%[ptr]) \t\n"
"madd.s %[out4], %[out4], %[in6], %[in8] \t\n"
"lwc1 %[in2], 16*4(%[csa]) \t\n"
"lwc1 %[in3], 17*4(%[csa]) \t\n"
"swc1 %[out3], -4*4(%[ptr]) \t\n"
"lwc1 %[in4], 4*4(%[ptr]) \t\n"
"swc1 %[out4], 3*4(%[ptr]) \t\n"
"mul.s %[out1], %[in1], %[in2] \t\n"
"mul.s %[out2], %[in1], %[in3] \t\n"
"lwc1 %[in5], -6*4(%[ptr]) \t\n"
"lwc1 %[in6], 20*4(%[csa]) \t\n"
"lwc1 %[in7], 21*4(%[csa]) \t\n"
"nmsub.s %[out1], %[out1], %[in3], %[in4] \t\n"
"madd.s %[out2], %[out2], %[in2], %[in4] \t\n"
"lwc1 %[in8], 5*4(%[ptr]) \t\n"
"mul.s %[out3], %[in5], %[in6] \t\n"
"mul.s %[out4], %[in5], %[in7] \t\n"
"swc1 %[out1], -5*4(%[ptr]) \t\n"
"swc1 %[out2], 4*4(%[ptr]) \t\n"
"lwc1 %[in1], -7*4(%[ptr]) \t\n"
"nmsub.s %[out3], %[out3], %[in7], %[in8] \t\n"
"madd.s %[out4], %[out4], %[in6], %[in8] \t\n"
"lwc1 %[in2], 24*4(%[csa]) \t\n"
"lwc1 %[in3], 25*4(%[csa]) \t\n"
"lwc1 %[in4], 6*4(%[ptr]) \t\n"
"swc1 %[out3], -6*4(%[ptr]) \t\n"
"swc1 %[out4], 5*4(%[ptr]) \t\n"
"mul.s %[out1], %[in1], %[in2] \t\n"
"lwc1 %[in5], -8*4(%[ptr]) \t\n"
"mul.s %[out2], %[in1], %[in3] \t\n"
"lwc1 %[in6], 28*4(%[csa]) \t\n"
"lwc1 %[in7], 29*4(%[csa]) \t\n"
"nmsub.s %[out1], %[out1], %[in3], %[in4] \t\n"
"lwc1 %[in8], 7*4(%[ptr]) \t\n"
"madd.s %[out2], %[out2], %[in2], %[in4] \t\n"
"mul.s %[out3], %[in5], %[in6] \t\n"
"mul.s %[out4], %[in5], %[in7] \t\n"
"swc1 %[out1], -7*4(%[ptr]) \t\n"
"swc1 %[out2], 6*4(%[ptr]) \t\n"
mips: port optimizations to mips n64 This mainly consists of replacing all the pointer arithmatic 'addiu' instructions with PTR_ADDIU which will handle the differences in pointer sizes when compiled on 64 bit mips systems. The header asmdefs.h contains the PTR_ macros which expend to the correct mips instructions to manipulate registers containing pointers. Signed-off-by: James Cowgill <james410@cowgill.org.uk> Reviewed-by: Nedeljko Babic <Nedeljko.Babic@imgtec.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
PTR_ADDIU "%[ptr],%[ptr], 72 \t\n"
Optimization of MP3 decoders for MIPS MP3 fixed and floating point decoders are optimized for MIPS architecture. Signed-off-by: Nedeljko Babic <nbabic@mips.com> Reviewed-by: Vitor Sessak <vitor1001@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
"nmsub.s %[out3], %[out3], %[in7], %[in8] \t\n"
"madd.s %[out4], %[out4], %[in6], %[in8] \t\n"
"swc1 %[out3], -26*4(%[ptr]) \t\n"
"swc1 %[out4], -11*4(%[ptr]) \t\n"
"bne %[ptr], %[ptr_end], compute_antialias_float_loop%= \t\n"
: [ptr] "+r" (ptr),
[in1] "=&f" (in1), [in2] "=&f" (in2),
[in3] "=&f" (in3), [in4] "=&f" (in4),
[in5] "=&f" (in5), [in6] "=&f" (in6),
[in7] "=&f" (in7), [in8] "=&f" (in8),
[out1] "=&f" (out1), [out2] "=&f" (out2),
[out3] "=&f" (out3), [out4] "=&f" (out4)
: [csa] "r" (csa), [ptr_end] "r" (ptr_end)
mips: inline assembly clobber list polishing List of clobbered registers fixed and added where it is lacking. Signed-off-by: Nedeljko Babic <nbabic@mips.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
: "memory"
Optimization of MP3 decoders for MIPS MP3 fixed and floating point decoders are optimized for MIPS architecture. Signed-off-by: Nedeljko Babic <nbabic@mips.com> Reviewed-by: Vitor Sessak <vitor1001@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
);
}
#define compute_antialias compute_antialias_mips_float
mips: add support for R6 Understanding the mips32r6 and mips64r6 ISAs in the configure script is not enough. In order to have full support for MIPS R6 in FFmpeg we need to be able to build it, and for that we need to make sure we don't use incompatible assembler code which makes the build fail. Ifdefing the offending code is sufficient to fix the problem. Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
9 years ago
#endif /* !HAVE_MIPS32R6 && !HAVE_MIPS64R6 */
mips: Add dependencies on HAVE_INLINE_ASM Add dependencies on HAVE_INLINE_ASM for files and parts of code where it is necessary. Signed-off-by: Nedeljko Babic <nbabic@mips.com> Reviewed-by: Vitor Sessak <vitor1001@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
#endif /* HAVE_INLINE_ASM */
Optimization of MP3 decoders for MIPS MP3 fixed and floating point decoders are optimized for MIPS architecture. Signed-off-by: Nedeljko Babic <nbabic@mips.com> Reviewed-by: Vitor Sessak <vitor1001@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
#endif /* AVCODEC_MIPS_COMPUTE_ANTIALIAS_FLOAT_H */