summaryrefslogtreecommitdiffstats
path: root/package/multimedia/libmad
diff options
context:
space:
mode:
authorPeter Korsgaard <jacmet@sunsite.dk>2008-11-15 21:33:07 +0000
committerPeter Korsgaard <jacmet@sunsite.dk>2008-11-15 21:33:07 +0000
commite7df5afeb9634a0d95499049efb5c4887069290d (patch)
tree307e4abcfc17552130058735e2d9dbd8e1f64784 /package/multimedia/libmad
parent4190cc1c4166160a2802efb1c090dd42ff2e7d6e (diff)
downloadbuildroot-novena-e7df5afeb9634a0d95499049efb5c4887069290d.tar.gz
buildroot-novena-e7df5afeb9634a0d95499049efb5c4887069290d.zip
package/audio: rename audio category to multimedia
Prepare for the merge of audio and video packages. Many packages cannot properly be assigned to either audio or video, because they have support for both (libogg, mplayer, vlc). Signed-off-by: Markus Heidelberg <markus.heidelberg@web.de>
Diffstat (limited to 'package/multimedia/libmad')
-rw-r--r--package/multimedia/libmad/Config.in14
-rw-r--r--package/multimedia/libmad/libmad-0.15.1b-optimization.patch.avr322922
-rw-r--r--package/multimedia/libmad/libmad.mk86
3 files changed, 3022 insertions, 0 deletions
diff --git a/package/multimedia/libmad/Config.in b/package/multimedia/libmad/Config.in
new file mode 100644
index 000000000..867a11a1e
--- /dev/null
+++ b/package/multimedia/libmad/Config.in
@@ -0,0 +1,14 @@
+config BR2_PACKAGE_LIBMAD
+ bool "libmad"
+ help
+ High-quality MPEG audio decoder. All computations are performed
+ with fixed-point integer arithmetic, making it ideal for systems
+ without a floating-point unit.
+
+ http://www.underbit.com/products/mad/
+
+config BR2_PACKAGE_LIBMAD_TARGET_HEADERS
+ bool "libmad headers in target"
+ depends on BR2_PACKAGE_LIBMAD
+ help
+ Put headers files in the target.
diff --git a/package/multimedia/libmad/libmad-0.15.1b-optimization.patch.avr32 b/package/multimedia/libmad/libmad-0.15.1b-optimization.patch.avr32
new file mode 100644
index 000000000..b74eea322
--- /dev/null
+++ b/package/multimedia/libmad/libmad-0.15.1b-optimization.patch.avr32
@@ -0,0 +1,2922 @@
+diff --git a/bit.c b/bit.c
+index c2bfb24..262ce3a 100644
+--- a/bit.c
++++ b/bit.c
+@@ -25,12 +25,6 @@
+
+ # include "global.h"
+
+-# ifdef HAVE_LIMITS_H
+-# include <limits.h>
+-# else
+-# define CHAR_BIT 8
+-# endif
+-
+ # include "bit.h"
+
+ /*
+@@ -81,6 +75,8 @@ unsigned short const crc_table[256] = {
+
+ # define CRC_POLY 0x8005
+
++#ifndef FPM_AVR32
++
+ /*
+ * NAME: bit->init()
+ * DESCRIPTION: initialize bit pointer struct
+@@ -190,6 +186,8 @@ void mad_bit_write(struct mad_bitptr *bitptr, unsigned int len,
+ }
+ # endif
+
++#endif
++
+ /*
+ * NAME: bit->crc()
+ * DESCRIPTION: compute CRC-check word
+diff --git a/bit.h b/bit.h
+index 5a51570..70f550a 100644
+--- a/bit.h
++++ b/bit.h
+@@ -22,6 +22,92 @@
+ # ifndef LIBMAD_BIT_H
+ # define LIBMAD_BIT_H
+
++# ifdef HAVE_LIMITS_H
++# include <limits.h>
++# else
++# define CHAR_BIT 8
++# endif
++
++#ifdef FPM_AVR32
++
++struct mad_bitptr {
++ unsigned char const *byte;
++ unsigned int read_bytes;
++};
++
++/*
++ * NAME: bit->init()
++ * DESCRIPTION: initialize bit pointer struct
++ */
++static void mad_bit_init(struct mad_bitptr *bitptr, unsigned char const *byte)
++{
++ bitptr->byte = byte;
++ bitptr->read_bytes = 0;
++}
++
++/*
++ * NAME: bit->length()
++ * DESCRIPTION: return number of bits between start and end points
++ */
++static unsigned int mad_bit_length(struct mad_bitptr const *begin,
++ struct mad_bitptr const *end)
++{
++ return (end->read_bytes - begin->read_bytes) +
++ 8 * (end->byte - begin->byte);
++}
++
++/*
++ * NAME: bit->nextbyte()
++ * DESCRIPTION: return pointer to next unprocessed byte
++ */
++static unsigned char const *mad_bit_nextbyte(struct mad_bitptr const *bitptr)
++{
++ return bitptr->byte + ((bitptr->read_bytes + 0x7) >> 3);
++}
++
++/*
++ * NAME: bit->skip()
++ * DESCRIPTION: advance bit pointer
++ */
++static void mad_bit_skip(struct mad_bitptr *bitptr, unsigned int len)
++{
++ bitptr->read_bytes += len;
++ bitptr->byte += (bitptr->read_bytes >> 3);
++ bitptr->read_bytes &= 0x7;
++}
++
++/*
++ * NAME: bit->read()
++ * DESCRIPTION: read an arbitrary number of bits and return their UIMSBF value
++ */
++static unsigned long mad_bit_read(struct mad_bitptr *bitptr, unsigned int len)
++{
++ register unsigned long value;
++
++ if (!len)
++ return 0;
++
++ value = *(unsigned int *)bitptr->byte;
++
++ value <<= bitptr->read_bytes;
++ value >>= (32 - len);
++
++ bitptr->read_bytes += len;
++ bitptr->byte += (bitptr->read_bytes >> 3);
++ bitptr->read_bytes &= 0x7;
++
++ return value;
++}
++
++# define mad_bit_finish(bitptr) /* nothing */
++
++static unsigned long mad_bit_bitsleft(struct mad_bitptr *bitptr)
++{
++ return (8 - (bitptr)->read_bytes);
++}
++
++#else /* #ifdef FPM_AVR32 */
++
+ struct mad_bitptr {
+ unsigned char const *byte;
+ unsigned short cache;
+@@ -42,6 +128,8 @@ void mad_bit_skip(struct mad_bitptr *, unsigned int);
+ unsigned long mad_bit_read(struct mad_bitptr *, unsigned int);
+ void mad_bit_write(struct mad_bitptr *, unsigned int, unsigned long);
+
++#endif
++
+ unsigned short mad_bit_crc(struct mad_bitptr, unsigned int, unsigned short);
+
+ # endif
+diff --git a/configure.ac b/configure.ac
+index 9b79399..063cb9b 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -274,13 +274,14 @@ fi
+ AC_MSG_CHECKING(for architecture-specific fixed-point math routines)
+ AC_ARG_ENABLE(fpm, AC_HELP_STRING([--enable-fpm=ARCH],
+ [use ARCH-specific fixed-point math routines
+- (one of: intel, arm, mips, sparc, ppc, 64bit, default)]),
++ (one of: intel, arm, avr32, mips, sparc, ppc, 64bit, default)]),
+ [
+ case "$enableval" in
+ yes) ;;
+ no|default|approx) FPM="DEFAULT" ;;
+ intel|i?86) FPM="INTEL" ;;
+ arm) FPM="ARM" ;;
++ avr32) FPM="AVR32" ;;
+ mips) FPM="MIPS" ;;
+ sparc) FPM="SPARC" ;;
+ ppc|powerpc) FPM="PPC" ;;
+@@ -298,6 +299,7 @@ then
+ case "$host" in
+ i?86-*) FPM="INTEL" ;;
+ arm*-*) FPM="ARM" ;;
++ avr32*-*) FPM="AVR32" ;;
+ mips*-*) FPM="MIPS" ;;
+ sparc*-*) FPM="SPARC" ;;
+ powerpc*-*) FPM="PPC" ;;
+@@ -343,6 +345,11 @@ then
+ ASO="$ASO -DASO_IMDCT"
+ ASO_OBJS="imdct_l_arm.lo"
+ ;;
++ avr32*-*)
++ ASO="$ASO -DASO_INTERLEAVE2"
++ ASO="$ASO -DASO_ZEROCHECK"
++ ASO_OBJS="dct32_avr32.lo synth_avr32.lo imdct_avr32.lo"
++ ;;
+ mips*-*)
+ ASO="$ASO -DASO_INTERLEAVE2"
+ ASO="$ASO -DASO_ZEROCHECK"
+diff --git a/configure b/configure
+index ee421cc..7a9f0c8 100755
+--- a/configure
++++ b/configure
+@@ -1048,7 +1048,7 @@ Optional Features:
+ --enable-speed optimize for speed over accuracy
+ --enable-accuracy optimize for accuracy over speed
+ --enable-fpm=ARCH use ARCH-specific fixed-point math routines (one of:
+- intel, arm, mips, sparc, ppc, 64bit, default)
++ intel, arm, avr32, mips, sparc, ppc, 64bit, default)
+ --enable-sso use subband synthesis optimization
+ --disable-aso disable architecture-specific optimizations
+ --enable-strict-iso use strict ISO/IEC interpretations
+@@ -21477,6 +21477,7 @@ if test "${enable_fpm+set}" = set; then
+ no|default|approx) FPM="DEFAULT" ;;
+ intel|i?86) FPM="INTEL" ;;
+ arm) FPM="ARM" ;;
++ avr32) FPM="AVR32" ;;
+ mips) FPM="MIPS" ;;
+ sparc) FPM="SPARC" ;;
+ ppc|powerpc) FPM="PPC" ;;
+@@ -21498,6 +21499,7 @@ then
+ case "$host" in
+ i?86-*) FPM="INTEL" ;;
+ arm*-*) FPM="ARM" ;;
++ avr32*-*) FPM="AVR32" ;;
+ mips*-*) FPM="MIPS" ;;
+ sparc*-*) FPM="SPARC" ;;
+ powerpc*-*) FPM="PPC" ;;
+@@ -21554,6 +21556,11 @@ then
+ ASO="$ASO -DASO_IMDCT"
+ ASO_OBJS="imdct_l_arm.lo"
+ ;;
++ avr32*-*)
++ ASO="$ASO -DASO_INTERLEAVE2"
++ ASO="$ASO -DASO_ZEROCHECK"
++ ASO_OBJS="dct32_avr32.lo synth_avr32.lo imdct_avr32.lo"
++ ;;
+ mips*-*)
+ ASO="$ASO -DASO_INTERLEAVE2"
+ ASO="$ASO -DASO_ZEROCHECK"
+diff --git a/dct32_avr32.S b/dct32_avr32.S
+new file mode 100644
+index 0000000..7513340
+--- /dev/null
++++ b/dct32_avr32.S
+@@ -0,0 +1,780 @@
++/*
++ Optimized 32-point Discrete Cosine Transform (DCT)
++ Copyright 2003-2006 Atmel Corporation.
++
++ Written by Ronny Pedersen, Atmel Norway
++
++ This program is free software; you can redistribute it and/or modify
++ it under the terms of the GNU General Public License as published by
++ the Free Software Foundation; either version 2 of the License, or
++ (at your option) any later version.
++
++ This program 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 General Public License for more details.
++
++ You should have received a copy of the GNU General Public License
++ along with this program; if not, write to the Free Software
++ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
++
++#define SHIFT 12
++#define MAD_F_SCALEBITS 28
++#define SLOTS 8
++
++#define MAD_F(x) ((x + (1 << 15)) >> 16)
++
++# define costab1 MAD_F(0x7fd8878e)
++# define costab2 MAD_F(0x7f62368f)
++# define costab3 MAD_F(0x7e9d55fc)
++# define costab4 MAD_F(0x7d8a5f40)
++# define costab5 MAD_F(0x7c29fbee)
++# define costab6 MAD_F(0x7a7d055b)
++# define costab7 MAD_F(0x78848414)
++# define costab8 MAD_F(0x7641af3d)
++# define costab9 MAD_F(0x73b5ebd1)
++# define costab10 MAD_F(0x70e2cbc6)
++# define costab11 MAD_F(0x6dca0d14)
++# define costab12 MAD_F(0x6a6d98a4)
++# define costab13 MAD_F(0x66cf8120)
++# define costab14 MAD_F(0x62f201ac)
++# define costab15 MAD_F(0x5ed77c8a)
++# define costab16 MAD_F(0x5a82799a)
++# define costab17 MAD_F(0x55f5a4d2)
++# define costab18 MAD_F(0x5133cc94)
++# define costab19 MAD_F(0x4c3fdff4)
++# define costab20 MAD_F(0x471cece7)
++# define costab21 MAD_F(0x41ce1e65)
++# define costab22 MAD_F(0x3c56ba70)
++# define costab23 MAD_F(0x36ba2014)
++# define costab24 MAD_F(0x30fbc54d)
++# define costab25 MAD_F(0x2b1f34eb)
++# define costab26 MAD_F(0x25280c5e)
++# define costab27 MAD_F(0x1f19f97b)
++# define costab28 MAD_F(0x18f8b83c)
++# define costab29 MAD_F(0x12c8106f)
++# define costab30 MAD_F(0x0c8bd35e)
++# define costab31 MAD_F(0x0647d97c)
++
++
++ .macro butterfly2_in out1, out2, out3, out4, in, idx_in1, idx_in2, idx_in3, idx_in4, coeff1, coeff2, tmplo, tmphi
++ mov \tmplo, \coeff1
++ ld.w \out1, \in[\idx_in1 * 4]
++ ld.w \out2, \in[\idx_in2 * 4]
++ ld.w \out3, \in[\idx_in3 * 4]
++ ld.w \out4, \in[\idx_in4 * 4]
++ sub \tmphi, \out1, \out2
++ add \out1, \out2
++ mulsatrndwh.w \out2, \tmphi, \tmplo:b
++
++ sub \tmphi, \out3, \out4
++ mov \tmplo, \coeff2
++ add \out3, \out4
++ mulsatrndwh.w \out4, \tmphi, \tmplo:b
++ .endm
++
++ .macro butterfly2 in1, in2, in3, in4, coeff1, tmplo, tmphi, tmp
++ mov \tmp, \coeff1
++ sub \tmphi, \in1, \in2
++ add \in1, \in2
++ mulsatrndwh.w \in2, \tmphi, \tmp:b
++
++ sub \tmphi, \in3, \in4
++ add \in3, \in4
++ mulsatrndwh.w \in4, \tmphi, \tmp:b
++ .endm
++
++ .macro butterfly4 in1, in2, in3, in4, in5, in6, in7, in8, coeff1, tmplo, tmphi, tmp
++ mov \tmp, \coeff1
++ sub \tmphi, \in1, \in2
++ add \in1, \in2
++ mulsatrndwh.w \in2, \tmphi, \tmp:b
++
++ sub \tmphi, \in3, \in4
++ add \in3, \in4
++ mulsatrndwh.w \in4, \tmphi, \tmp:b
++
++ sub \tmphi, \in5, \in6
++ add \in5, \in6
++ mulsatrndwh.w \in6, \tmphi, \tmp:b
++
++ sub \tmphi, \in7, \in8
++ add \in7, \in8
++ mulsatrndwh.w \in8, \tmphi, \tmp:b
++ .endm
++
++ .macro scale reg
++ .endm
++
++/*void dct32( mad_fixed_t const in[32], unsigned int slot,
++ mad_fixed_t lo[16][8], mad_fixed_t hi[16][8]) */
++
++ .global dct32_avr32
++dct32_avr32:
++ stm --sp, r0-r7, r9-r11, lr
++
++ sub sp, 32*4
++
++/* t0 = in[0] + in[31]; t16 = MUL(in[0] - in[31], costab1);
++ t1 = in[15] + in[16]; t17 = MUL(in[15] - in[16], costab31); */
++ butterfly2_in r4/*t0*/, r5/*t16*/, r6/*t1*/, r7/*t17*/, r12, 0, 31, 15, 16, costab1, costab31, r10, r11
++
++/* t41 = t16 + t17;
++ t59 = MUL(t16 - t17, costab2);
++ t33 = t0 + t1;
++ t50 = MUL(t0 - t1, costab2);*/
++ butterfly2 r5/*t41*/, r7/*t59*/, r4/*t33*/, r6/*t50*/, costab2, r10, r11, lr
++
++/* t2 = in[7] + in[24]; t18 = MUL(in[7] - in[24], costab15);
++ t3 = in[8] + in[23]; t19 = MUL(in[8] - in[23], costab17); */
++ butterfly2_in r0/*t2*/, r1/*t18*/, r2/*t3*/, r3/*t19*/, r12, 7, 24, 8, 23, costab15, costab17, r10, r11
++
++/* t42 = t18 + t19;
++ t60 = MUL(t18 - t19, costab30);
++ t34 = t2 + t3;
++ t51 = MUL(t2 - t3, costab30); */
++ butterfly2 r1/*t42*/, r3/*t60*/, r0/*t34*/, r2/*t51*/, costab30, r10, r11, lr
++
++/* t73 = t41 + t42; t94 = MUL(t41 - t42, costab4);
++ t83 = t59 + t60; t106 = MUL(t59 - t60, costab4); */
++
++
++/* t69 = t33 + t34; t89 = MUL(t33 - t34, costab4);
++ t78 = t50 + t51; t100 = MUL(t50 - t51, costab4); */
++ butterfly4 r5/*t73*/, r1/*t94*/, r7/*t83*/, r3/*t106*/,r4/*t69*/, r0/*t89*/, r6/*t78*/, r2/*t100*/, costab4, r10, r11, lr
++
++/* Store away the computed butterflies:
++ sp[0-7] = t83, t78, t73, t69, t106, t100, t94, t89 */
++ stm sp, r0-r7
++
++
++/* t4 = in[3] + in[28]; t20 = MUL(in[3] - in[28], costab7);
++ t5 = in[12] + in[19]; t21 = MUL(in[12] - in[19], costab25); */
++ butterfly2_in r4/*t4*/, r5/*t20*/, r6/*t5*/, r7/*t21*/, r12, 3, 28, 12, 19, costab7, costab25, r10, r11
++
++/* t43 = t20 + t21;
++ t61 = MUL(t20 - t21, costab14);
++ t35 = t4 + t5;
++ t52 = MUL(t4 - t5, costab14); */
++ butterfly2 r5/*t43*/, r7/*t61*/, r4/*t35*/, r6/*t52*/, costab14, r10, r11, lr
++
++/* t6 = in[4] + in[27]; t22 = MUL(in[4] - in[27], costab9);
++ t7 = in[11] + in[20]; t23 = MUL(in[11] - in[20], costab23); */
++ butterfly2_in r0/*t6*/, r1/*t22*/, r2/*t7*/, r3/*t23*/, r12, 4, 27, 11, 20, costab9, costab23, r10, r11
++
++/* t44 = t22 + t23;
++ t62 = MUL(t22 - t23, costab18);
++ t36 = t6 + t7;
++ t53 = MUL(t6 - t7, costab18); */
++ butterfly2 r1/*t44*/, r3/*t62*/, r0/*t36*/, r2/*t53*/, costab18, r10, r11, lr
++
++/* t74 = t43 + t44; t95 = MUL(t43 - t44, costab28);
++ t84 = t61 + t62; t107 = MUL(t61 - t62, costab28); */
++
++/* t70 = t35 + t36; t90 = MUL(t35 - t36, costab28);
++ t79 = t52 + t53; t101 = MUL(t52 - t53, costab28); */
++ butterfly4 r5/*t74*/, r1/*t95*/, r7/*t84*/, r3/*t107*/, r4/*t70*/, r0/*t90*/, r6/*t79*/, r2/*t101*/, costab28, r10, r11, lr
++
++/* Store away the computed butterflies:
++ sp[8-15] = t84, t79, t74, t70, t107, t101, t95, t90 */
++ sub r10, sp, -8*4
++ stm r10, r0-r7
++
++
++/* t8 = in[1] + in[30]; t24 = MUL(in[1] - in[30], costab3);
++ t9 = in[14] + in[17]; t25 = MUL(in[14] - in[17], costab29); */
++ butterfly2_in r4/*t8*/, r5/*t24*/, r6/*t9*/, r7/*t25*/, r12, 1, 30, 14, 17, costab3, costab29, r10, r11
++
++
++/* t45 = t24 + t25;
++ t63 = MUL(t24 - t25, costab6);
++ t37 = t8 + t9;
++ t54 = MUL(t8 - t9, costab6); */
++ butterfly2 r5/*t45*/, r7/*t63*/, r4/*t37*/, r6/*t54*/, costab6, r10, r11, lr
++
++/* t10 = in[6] + in[25]; t26 = MUL(in[6] - in[25], costab13);
++ t11 = in[9] + in[22]; t27 = MUL(in[9] - in[22], costab19); */
++ butterfly2_in r0/*t10*/, r1/*t26*/, r2/*t11*/, r3/*t27*/, r12, 6, 25, 9, 22, costab13, costab19, r10, r11
++
++/* t46 = t26 + t27;
++ t64 = MUL(t26 - t27, costab26);
++ t38 = t10 + t11;
++ t55 = MUL(t10 - t11, costab26); */
++ butterfly2 r1/*t46*/, r3/*t64*/, r0/*t38*/, r2/*t55*/, costab26, r10, r11, lr
++
++/* t75 = t45 + t46; t96 = MUL(t45 - t46, costab12);
++ t85 = t63 + t64; t108 = MUL(t63 - t64, costab12); */
++
++/* t71 = t37 + t38; t91 = MUL(t37 - t38, costab12);
++ t80 = t54 + t55; t102 = MUL(t54 - t55, costab12); */
++ butterfly4 r5/*t75*/, r1/*t96*/, r7/*t85*/, r3/*t108*/, r4/*t71*/, r0/*t91*/, r6/*t80*/, r2/*t102*/, costab12, r10, r11, lr
++
++/* Store away the computed butterflies:
++ sp[16-23] = t85, t80, t75, t71, t108, t102, t96, t91 */
++ sub r10, sp, -16*4
++ stm r10, r0-r7
++
++/* t12 = in[2] + in[29]; t28 = MUL(in[2] - in[29], costab5);
++ t13 = in[13] + in[18]; t29 = MUL(in[13] - in[18], costab27); */
++ butterfly2_in r4/*t12*/, r5/*t28*/, r6/*t13*/, r7/*t29*/, r12, 2, 29, 13, 18, costab5, costab27, r10, r11
++
++/* t47 = t28 + t29;
++ t65 = MUL(t28 - t29, costab10);
++ t39 = t12 + t13;
++ t56 = MUL(t12 - t13, costab10); */
++ butterfly2 r5/*t47*/, r7/*t65*/, r4/*t39*/, r6/*t56*/, costab10, r10, r11, lr
++
++/* t14 = in[5] + in[26]; t30 = MUL(in[5] - in[26], costab11);
++ t15 = in[10] + in[21]; t31 = MUL(in[10] - in[21], costab21);*/
++ butterfly2_in r0/*t14*/, r1/*t30*/, r2/*t15*/, r3/*t31*/, r12, 5, 26, 10, 21, costab11, costab21, r10, r11
++
++/* t48 = t30 + t31;
++ t66 = MUL(t30 - t31, costab22);
++ t40 = t14 + t15;
++ t57 = MUL(t14 - t15, costab22);*/
++ butterfly2 r1/*t48*/, r3/*t66*/, r0/*t40*/, r2/*t57*/, costab22, r10, r11, lr
++
++/* t76 = t47 + t48; t97 = MUL(t47 - t48, costab20);
++ t86 = t65 + t66; t109 = MUL(t65 - t66, costab20);*/
++
++/* t72 = t39 + t40; t92 = MUL(t39 - t40, costab20);
++ t81 = t56 + t57; t103 = MUL(t56 - t57, costab20);*/
++ butterfly4 r5/*t76*/, r1/*t97*/, r7/*t86*/, r3/*t109*/,r4/*t72*/, r0/*t92*/, r6/*t81*/, r2/*t103*/, costab20, r10, r11, lr
++
++/* Store away the computed butterflies:
++ sp[24-31] = t86, t81, t76, t72, t109, t103, t97, t92 */
++ sub r10, sp, -24*4
++ stm r10, r0-r7
++
++/* We now have the following on the stack:
++
++ sp[0-7] = t83, t78, t73, t69, t106, t100, t94, t89
++ sp[8-15] = t84, t79, t74, t70, t107, t101, t95, t90
++ sp[16-23] = t85, t80, t75, t71, t108, t102, t96, t91
++ sp[24-31] = t86, t81, t76, t72, t109, t103, t97, t92 */
++
++/* Load {r0...r7} = { t72, t76, t71, t75, t70, t74, t69, t73 } */
++ ld.d r6, sp[2*4]
++ ld.d r4, sp[10*4]
++ ld.d r2, sp[18*4]
++ ld.d r0, sp[26*4]
++
++
++/* t113 = t69 + t70;
++ t141 = MUL(t69 - t70, costab8);
++
++ t115 = t73 + t74;
++ t144 = MUL(t73 - t74, costab8); */
++ butterfly2 r6/*t113*/, r4/*t141*/, r7/*t115*/, r5/*t144*/, costab8, r10, r11, lr
++
++/* t114 = t71 + t72;
++ t142 = MUL(t71 - t72, costab24);
++
++ t116 = t75 + t76;
++ t145 = MUL(t75 - t76, costab24); */
++ butterfly2 r2/*t114*/, r0/*t142*/, r3/*t116*/, r1/*t145*/, costab24, r10, r11, lr
++
++
++/*
++ t191 = t113 + t114;
++ t192 = MUL(t113 - t114, costab16)
++
++ t32 = t115 + t116;
++ t177 = MUL(t115 - t116, costab16) ;
++
++ t143 = t141 + t142;
++ t190 = MUL(t141 - t142, costab16) ;
++
++ t146 = t144 + t145;
++ t184 = MUL(t144 - t145, costab16) ; */
++ butterfly4 r6/*t191*/, r2/*t192*/, r7/*t32*/, r3/*t177*/, r4/*t143*/, r0/*190*/, r5/*t146*/, r1/*t184*/, costab16, r10, r11, lr
++
++/* Store away the computed butterflies:
++ sp[2-3] = t32, t191
++ sp[10-11] = t146, t143
++ sp[18-19] = t177, t192
++ sp[26-27] = t184, t190 */
++ st.d sp[2*4] , r6
++ st.d sp[10*4], r4
++ st.d sp[18*4], r2
++ st.d sp[26*4], r0
++
++/* Load {r0...r7} = { t81, t86, t80, t85, t79, t84, t78, t83 } */
++ ld.d r6, sp[0*4]
++ ld.d r4, sp[8*4]
++ ld.d r2, sp[16*4]
++ ld.d r0, sp[24*4]
++
++
++/* t118 = t78 + t79;
++ t148 = MUL(t78 - t79, costab8);
++
++ t121 = t83 + t84;
++ t152 = MUL(t83 - t84, costab8); */
++ butterfly2 r6/*t118*/, r4/*t148*/, r7/*t121*/, r5/*t152*/, costab8, r10, r11, lr
++
++/* t119 = t80 + t81;
++ t149 = MUL(t80 - t81, costab24);
++
++ t122 = t85 + t86;
++ t153 = MUL(t85 - t86, costab24); */
++ butterfly2 r2/*t119*/, r0/*t149*/, r3/*t122*/, r1/*t153*/, costab24, r10, r11, lr
++
++
++
++/* t58 = t118 + t119;
++ t178 = MUL(t118 - t119, costab16) ;
++
++ t67 = t121 + t122;
++ t179 = MUL(t121 - t122, costab16) ;
++
++ t150 = t148 + t149;
++ t185 = MUL(t148 - t149, costab16) ;
++
++ t154 = t152 + t153;
++ t186 = MUL(t152 - t153, costab16) ; */
++ butterfly4 r6/*t58*/, r2/*t178*/, r7/*t67*/, r3/*t179*/, r4/*t150*/, r0/*185*/, r5/*t154*/, r1/*t186*/, costab16, r10, r11, lr
++
++/* Store away the computed butterflies:
++ sp[0-1] = t67, t58
++ sp[8-9] = t154, t150
++ sp[16-17] = t179, t178
++ sp[24-25] = t186, t185 */
++ st.d sp[0*4] , r6
++ st.d sp[8*4], r4
++ st.d sp[16*4], r2
++ st.d sp[24*4], r0
++
++/* Load {r0...r7} = { t92, t97, t91, t96, t90, t95, t89, t94 } */
++ ld.d r6, sp[6*4]
++ ld.d r4, sp[14*4]
++ ld.d r2, sp[22*4]
++ ld.d r0, sp[30*4]
++
++
++/* t125 = t89 + t90;
++ t157 = MUL(t89 - t90, costab8);
++
++ t128 = t94 + t95;
++ t161 = MUL(t94 - t95, costab8); */
++ butterfly2 r6/*t125*/, r4/*t157*/, r7/*t128*/, r5/*t161*/, costab8, r10, r11, lr
++
++/* t126 = t91 + t92;
++ t158 = MUL(t91 - t92, costab24);
++
++ t129 = t96 + t97;
++ t162 = MUL(t96 - t97, costab24); */
++ butterfly2 r2/*t126*/, r0/*t158*/, r3/*t129*/, r1/*t162*/, costab24, r10, r11, lr
++
++
++/*
++ t93 = t125 + t126;
++ t180 = MUL(t125 - t126, costab16) ;
++
++ t98 = t128 + t129;
++ t181 = MUL(t128 - t129, costab16) ;
++
++ t159 = t157 + t158;
++ t187 = MUL(t157 - t158, costab16) ;
++
++ t163 = t161 + t162;
++ t188 = MUL(t161 - t162, costab16) ; */
++ butterfly4 r6/*t93*/, r2/*t180*/, r7/*t98*/, r3/*t181*/, r4/*t159*/, r0/*187*/, r5/*t163*/, r1/*t188*/, costab16, r10, r11, lr
++
++
++/* Store away the computed butterflies:
++ sp[6-7] = t98, t93
++ sp[14-15] = t163, t159
++ sp[22-23] = t181, t180
++ sp[30-31] = t188, t187 */
++ st.d sp[6*4] , r6
++ st.d sp[14*4], r4
++ st.d sp[22*4], r2
++ st.d sp[30*4], r0
++
++/* Load {r0...r7} = { t103, t109, t102, t108, t101, t107, t100, t106 } */
++ ld.d r6, sp[4*4]
++ ld.d r4, sp[12*4]
++ ld.d r2, sp[20*4]
++ ld.d r0, sp[28*4]
++
++
++
++/* t132 = t100 + t101;
++ t166 = MUL(t100 - t101, costab8);
++
++ t136 = t106 + t107;
++ t171 = MUL(t106 - t107, costab8); */
++ butterfly2 r6/*t132*/, r4/*t166*/, r7/*t136*/, r5/*t171*/, costab8, r10, r11, lr
++
++/* t133 = t102 + t103;
++ t167 = MUL(t102 - t103, costab24);
++
++ t137 = t108 + t109;
++ t172 = MUL(t108 - t109, costab24);*/
++ butterfly2 r2/*t133*/, r0/*t167*/, r3/*t137*/, r1/*t172*/, costab24, r10, r11, lr
++
++
++/* t104 = t132 + t133;
++ t182 = MUL(t132 - t133, costab16) ;
++
++ t110 = t136 + t137;
++ t183 = MUL(t136 - t137, costab16) ;
++
++ t168 = t166 + t167;
++ t189 = MUL(t166 - t167, costab16) ;
++
++ t173 = t171 + t172;
++ t208 = MUL(t171 - t172, costab16) ; */
++ butterfly4 r6/*t104*/, r2/*t182*/, r7/*t110*/, r3/*t183*/, r4/*t168*/, r0/*189*/, r5/*t173*/, r1/*t208*/, costab16, r10, r11, lr
++
++/* Store away the computed butterflies:
++ sp[4-5] = t110, t104
++ sp[12-13] = t173, t168
++ sp[20-21] = t183, t182
++ sp[28-29] = t208, t189 */
++ st.d sp[4*4] , r6
++ st.d sp[12*4], r4
++ st.d sp[20*4], r2
++ st.d sp[28*4], r0
++
++/* Now we have the following stack
++
++ sp[0-7] = t67, t58 , t32, t191, t110, t104, t98, t93
++ sp[8-15] = t154, t150, t146, t143, t173, t168, t163, t159
++ sp[16-23] = t179, t178, t177, t192, t183, t182, t181, t180
++ sp[24-31] = t186, t185, t184, t190, t208, t189, t188, t187
++*/
++
++ /* Get slot, lo and hi from stack */
++ lddsp lr, sp[32*4 + 4] /*slot*/
++ lddsp r12, sp[32*4 + 8] /*lo*/
++ lddsp r11, sp[32*4 + 12] /*hi*/
++
++ add r12, r12, lr << 2
++ add r11, r11, lr << 2
++
++
++/* t49 = -(t67 * 2) + t32;
++ hi[14][slot] = SHIFT(t32);
++ t87 = -(t110 * 2) + t67;
++ t138 = -(t173 * 2) + t110;
++ t203 = -(t208 * 2) + t173; */
++
++ lddsp r0/*t67*/, sp[0]
++ lddsp r1/*t32*/, sp[2*4]
++ lddsp r2/*t110*/, sp[4*4]
++ lddsp r3/*t173*/, sp[12*4]
++ lddsp r5/*t208*/, sp[28*4]
++
++ sub r4/*t49*/, r1, r0 << 1
++ scale r1
++ sub r0/*t87*/, r0, r2 << 1
++ st.w r11[14*SLOTS*4], r1
++ sub r2/*t138*/, r2, r3 << 1
++ sub r1/*t203*/, r3, r5 << 1
++
++/* Live: r0 = t87, r1= t203, r2= t138, r4 = t49
++ Free: r3, r5, r6, r7, r8, r9, r10, lr */
++
++/* t68 = (t98 * 2) + t49;
++ hi[12][slot] = SHIFT(-t49);
++ t130 = -(t163 * 2) + t98;
++ t201 = -(t188 * 2) + t163;
++ t200 = -(t186 * 2) + t154;
++ t111 = (t154 * 2) + t87;
++ t77 = -(-(t87 * 2) - t68);
++ t88 = (t146 * 2) + t77;
++ t199 = -(t184 * 2) + t146;
++ hi[ 8][slot] = SHIFT(-t77);
++ hi[10][slot] = SHIFT(t68);*/
++ lddsp r3/*t98*/, sp[6*4]
++ lddsp r5/*t163*/, sp[14*4]
++ lddsp r6/*t188*/, sp[30*4]
++ lddsp r10/*t186*/, sp[24*4]
++
++ add r7/*t68*/, r4, r3 << 1
++ neg r4
++ scale r4
++ lddsp r9/*t154*/, sp[8*4]
++ sub r3/*t130*/, r3, r5 << 1
++ st.w r11[12*SLOTS*4], r4
++ sub r8/*t201*/, r5, r6 << 1
++ sub r4/*t200*/, r9, r10 << 1
++ lddsp lr/*t146*/, sp[10*4]
++ lddsp r6/*t184*/, sp[26*4]
++ add r10/*t111*/, r0, r9 << 1
++ add r5/*t77*/,r7, r0 << 1
++ add r0/*t88*/, r5, lr << 1
++ sub r6/*t199*/, lr, r6 << 1
++ neg r5
++ scale r5
++ scale r7
++ st.w r11[8*SLOTS*4], r5
++ st.w r11[10*SLOTS*4], r7
++
++/* Live: r0 = t88, r1= t203, r2= t138, r3 = t130, r4 = t200,
++ r6 = 199, r8 = t201, r10 = t111
++ Free: r5, r7, r9, lr */
++
++
++/*
++ t123 = -(-(t138 * 2) - t111);
++ t174 = (t183 * 2) + t138;
++ t99 = -(t111 * 2) + t88;
++ hi[ 6][slot] = SHIFT(t88); */
++ lddsp r5/*t183*/, sp[20*4]
++
++ add r7/*t123*/, r10, r2 << 1
++ sub r10/*t99*/, r0, r10 << 1
++ scale r0
++ add r2/*t174*/, r2, r5 << 1
++ st.w r11[6*SLOTS*4], r0
++
++/* Live: r1 = t203, r2 = t174, r3 = t130, r4 = t200,
++ r6 = t199, r7 = t123, r8 = t201, r10 = t99
++ Free: r0, r5, r9, lr */
++
++/* t112 = -(t130 * 2) + t99;
++ t164 = (t181 * 2) + t130;
++ hi[ 4][slot] = SHIFT(-t99); */
++ lddsp r0/*t181*/, sp[22*4]
++
++ sub r5/*t112*/, r10, r3 << 1
++ neg r10
++ scale r10
++ add r3/*164*/, r3, r0 << 1
++ st.w r11[4*SLOTS*4], r10
++
++/* Live: r1 = t203, r2 = t174, r3 = t164, r4 = t200,
++ r5 = t112, r6 = t199, r7 = t123, r8 = t201
++ Free: r0, r9, r10, lr */
++
++
++/* t117 = -(-(t123 * 2) - t112);
++ t139 = (t179 * 2) + t123;
++ hi[ 2][slot] = SHIFT(t112); */
++ lddsp r0/*t179*/, sp[16*4]
++
++ add r9/*t117*/, r5, r7 << 1
++ scale r5
++ add r7/*t139*/, r7, r0 << 1
++ st.w r11[2*SLOTS*4], r5
++
++/* Live: r1 = t203, r2 = t174, r3 = t164, r4 = t200,
++ r6 = t199, r7 = t139, r8 = t201, r9 = t117
++ Free: r0, r5, r10, lr */
++
++/* t155 = -(t174 * 2) + t139;
++ t204 = -(-(t203 * 2) - t174);
++ t124 = (t177 * 2) + t117;
++ hi[ 0][slot] = SHIFT(-t117);
++ t131 = -(t139 * 2) + t124;
++ lo[ 1][slot] = SHIFT(t124);*/
++ lddsp r0/*t177*/, sp[18*4]
++
++ sub r5/*t155*/, r7, r2 << 1
++ add r2/*t204*/, r2, r1 << 1
++ add r0/*t124*/, r9, r0 << 1
++ neg r9
++ scale r9
++ sub r7/*t131*/, r0, r7 << 1
++ scale r0
++ st.w r11[0*SLOTS*4], r9
++ st.w r12[1*SLOTS*4], r0
++
++/* Live: r2 = t204, r3 = t164, r4 = t200,
++ r5 = t155, r6 = t199, r7 = t131, r8 = t201
++ Free: r0, r1, r9, r10, lr */
++
++/* t140 = (t164 * 2) + t131;
++ lo[ 3][slot] = SHIFT(-t131);
++ t202 = -(-(t201 * 2) - t164); */
++ add r0/*t140*/, r7, r3 << 1
++ neg r7
++ scale r7
++ add r3/*t202*/, r3, r8 << 1
++ st.w r12[3*SLOTS*4], r7
++
++/* Live: r0 = t140, r2 = t204, r3 = t202, r4 = t200,
++ r5 = t155, r6 = t199
++ Free: r1, r7, r8, r9, r10, lr */
++
++
++/* t147 = -(-(t155 * 2) - t140);
++ lo[ 5][slot] = SHIFT(t140);
++ t175 = -(t200 * 2) + t155;
++ t156 = -(t199 * 2) + t147;
++ lo[ 7][slot] = SHIFT(-t147); */
++ add r1/*t147*/, r0, r5 << 1
++ scale r0
++ sub r5/*t175*/, r5, r4 << 1
++ sub r4/*156*/, r1, r6 << 1
++ neg r1
++ scale r1
++ st.w r12[5*SLOTS*4], r0
++ st.w r12[7*SLOTS*4], r1
++
++/* Live: r2 = t204, r3 = t202,
++ r4 = t156, r5 = t175
++ Free: r0, r1, r6, r7, r8, r9, r10, lr */
++
++
++/* t205 = -(-(t204 * 2) - t175);
++ t165 = -(t175 * 2) + t156;
++ lo[ 9][slot] = SHIFT(t156);
++ t176 = -(t202 * 2) + t165;
++ lo[11][slot] = SHIFT(-t165);
++ t206 = -(-(t205 * 2) - t176);
++ lo[15][slot] = SHIFT(-t206)
++ lo[13][slot] = SHIFT(t176) */
++ add r0/*t205*/, r5, r2 << 1
++ sub r1/*t165*/, r4, r5 << 1
++ scale r4
++ sub r3/*t176*/, r1, r3 << 1
++ st.w r12[9*SLOTS*4], r4
++ neg r1
++ scale r1
++ add r6/*t206*/, r3, r0 << 1
++ neg r6
++ scale r6
++ scale r3
++ st.w r12[11*SLOTS*4], r1
++ st.w r12[15*SLOTS*4], r6
++ st.w r12[13*SLOTS*4], r3
++
++/* t193 = -((t190 * 2) - t143)
++ hi[ 7][slot] = SHIFT(t143);
++ lo[ 8][slot] = SHIFT(-t193);
++ t82 = -(t104 * 2) + t58;
++ hi[13][slot] = SHIFT(t58);
++ t134 = -(t168 * 2) + t104;
++ t196 = -(t189 * 2) + t168; */
++
++ lddsp r0/*t190*/, sp[27*4]
++ lddsp r1/*t143*/, sp[11*4]
++ lddsp r2/*t104*/, sp[5*4]
++ lddsp r3/*t58*/, sp[1*4]
++ lddsp r4/*t168*/, sp[13*4]
++ lddsp r5/*t189*/, sp[29*4]
++ sub r0/*t193*/, r1, r0 << 1
++ neg r0
++ scale r1
++ scale r0
++ st.w r11[7*SLOTS*4], r1
++ st.w r12[8*SLOTS*4], r0
++ sub r0/*t82*/, r3, r2 << 1
++ scale r3
++ sub r2/*t134*/, r2, r4 << 1
++ sub r4/*t196*/, r4, r5 << 1
++ st.w r11[13*SLOTS*4], r3
++
++/* Live: r0 = t82, r2 = t134,
++ r4 = t196
++ Free: r1, r3, r5, r6, r7, r8, r9, r10, lr */
++
++
++
++/*
++
++ t207 = -(t185 * 2) + t150;
++ t105 = (t150 * 2) + t82;
++ hi[ 9][slot] = SHIFT(-t82);
++ t120 = -(-(t134 * 2) - t105);
++ hi[ 5][slot] = SHIFT(t105);
++ t169 = (t182 * 2) + t134;
++
++ t135 = (t178 * 2) + t120;
++ hi[ 1][slot] = SHIFT(-t120);
++ t197 = -(-(t196 * 2) - t169);
++ t151 = -(t169 * 2) + t135;
++ lo[ 2][slot] = SHIFT(t135); */
++ lddsp r1/*t185*/, sp[25*4]
++ lddsp r3/*t150*/, sp[9*4]
++ lddsp r5/*t182*/, sp[21*4]
++ lddsp r8/*t178*/, sp[17*4]
++
++ sub r6/*t207*/, r3, r1 << 1
++ add r3/*t105*/, r0, r3 << 1
++ neg r0
++ scale r0
++ add r7/*t120*/, r3, r2 << 1
++ scale r3
++ st.w r11[9*SLOTS*4], r0
++ st.w r11[5*SLOTS*4], r3
++ add r2/*t169*/, r2, r5 << 1
++ add r8/*t135*/, r7, r8 << 1
++ neg r7
++ scale r7
++ add r4/*t197*/, r2, r4 << 1
++ sub r2/*t151*/, r8, r2 << 1
++ scale r8
++ st.w r11[1*SLOTS*4], r7
++ st.w r12[2*SLOTS*4], r8
++
++/* Live: r2 = t151, r4 = t197, r6 = t207
++
++ Free: r0, r1, r3, r5, r7, r8, r9, r10, lr */
++
++
++
++/* t170 = -(t207 * 2) + t151;
++ lo[ 6][slot] = SHIFT(-t151);
++
++ t198 = -(-(t197 * 2) - t170);
++ lo[10][slot] = SHIFT(t170);
++ lo[14][slot] = SHIFT(-t198);
++
++ t127 = -(t159 * 2) + t93;
++ hi[11][slot] = SHIFT(t93);
++ t194 = -(t187 * 2) + t159; */
++ lddsp r0/*t159*/, sp[15*4]
++ lddsp r1/*t93*/, sp[7*4]
++ lddsp r3/*t187*/, sp[31*4]
++ sub r5/*t170*/, r2, r6 << 1
++ neg r2
++ scale r2
++ add r4/*t198*/,r5, r4 << 1
++ neg r4
++ scale r5
++ scale r4
++ st.w r12[6*SLOTS*4], r2
++ st.w r12[10*SLOTS*4], r5
++ st.w r12[14*SLOTS*4], r4
++ sub r7/*t127*/, r1, r0 << 1
++ scale r1
++ sub r0/*t194*/, r0, r3 << 1
++ st.w r11[11*SLOTS*4], r1
++
++
++/* Live: r0 = t194, r7 = t127
++ Free: r1, r2, r3, r4, r6, r5, r8, r9, r10, lr */
++
++/* t160 = (t180 * 2) + t127;
++ hi[ 3][slot] = SHIFT(-t127);
++ t195 = -(-(t194 * 2) - t160);
++ lo[ 4][slot] = SHIFT(t160);
++ lo[12][slot] = SHIFT(-t195);
++
++ hi[15][slot] = SHIFT(t191);
++ lo[ 0][slot] = SHIFT(t192); */
++ lddsp r1/*t180*/, sp[23*4]
++ lddsp r2/*t191*/, sp[3*4]
++ lddsp r3/*t192*/, sp[19*4]
++ add r4/*t160*/, r7, r1 << 1
++ neg r7
++ scale r7
++ add r6/*t195*/, r4, r0 << 1
++ scale r4
++ neg r6
++ scale r6
++ st.w r11[3*SLOTS*4], r7
++ st.w r12[4*SLOTS*4], r4
++ st.w r12[12*SLOTS*4], r6
++ scale r2
++ scale r3
++ st.w r11[15*SLOTS*4], r2
++ st.w r12[0*SLOTS*4], r3
++
++ sub sp, -32*4
++ ldm sp++,r0-r7, r9-r11, pc
+diff --git a/fixed.h b/fixed.h
+index 4b58abf..0a1350a 100644
+--- a/fixed.h
++++ b/fixed.h
+@@ -237,6 +237,46 @@ mad_fixed_t mad_f_mul_inline(mad_fixed_t x, mad_fixed_t y)
+ # define MAD_F_SCALEBITS MAD_F_FRACBITS
+ # endif
+
++/* --- AVR32 ----------------------------------------------------------------- */
++
++# elif defined(FPM_AVR32)
++
++typedef signed short mad_coeff_t;
++
++struct DWstruct {int high, low;};
++
++typedef union {
++ struct DWstruct s;
++ long long ll;
++} DWunion;
++
++# define MAD_F_MLX(hi, lo, x, y) \
++ { register DWunion __res; \
++ __res.ll = (long long)x * (long long)y; \
++ /* asm ("muls.d\t%0, %1, %2" : "=r" (__res.ll) : "r" (x), "r" (y));*/ \
++ hi = __res.s.high; \
++ lo = __res.s.low; }
++
++# define MAD_F_MLA(hi, lo, x, y) \
++ { register DWunion __res; \
++ __res.s.high = hi; \
++ __res.s.low = lo; \
++ __res.ll += (long long)x * (long long)y; \
++/* asm ("macs.d\t%0, %1, %2" : "+r" (__res.ll) : "r" (x), "r" (y));*/ \
++ hi = __res.s.high; \
++ lo = __res.s.low; }
++
++
++# define MAD_F_MLN(hi, lo) \
++ asm ("neg %0\n" \
++ "acr %1\n" \
++ "neg %1" \
++ : "+r" (lo), "+r" (hi) \
++ :: "cc")
++
++
++# define MAD_F_SCALEBITS MAD_F_FRACBITS
++
+ /* --- ARM ----------------------------------------------------------------- */
+
+ # elif defined(FPM_ARM)
+@@ -433,6 +473,8 @@ mad_fixed_t mad_f_mul_inline(mad_fixed_t x, mad_fixed_t y)
+ *
+ * Pre-rounding is required to stay within the limits of compliance.
+ */
++typedef signed int mad_coeff_t;
++
+ # if defined(OPT_SPEED)
+ # define mad_f_mul(x, y) (((x) >> 12) * ((y) >> 16))
+ # else
+diff --git a/imdct_avr32.S b/imdct_avr32.S
+new file mode 100644
+index 0000000..d0ee6b4
+--- /dev/null
++++ b/imdct_avr32.S
+@@ -0,0 +1,789 @@
++/*
++ Optimized 36-point Inverse Modified Cosine Transform (IMDCT)
++ Copyright 2003-2006 Atmel Corporation.
++
++ Written by Ronny Pedersen, Atmel Norway
++
++ This program is free software; you can redistribute it and/or modify
++ it under the terms of the GNU General Public License as published by
++ the Free Software Foundation; either version 2 of the License, or
++ (at your option) any later version.
++
++ This program 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 General Public License for more details.
++
++ You should have received a copy of the GNU General Public License
++ along with this program; if not, write to the Free Software
++ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
++
++#define MAD_F(x) ((x + (1 << 13)) >> 14)
++
++ .public imdct36_avr32
++
++/*
++ void imdct36(mad_fixed_t const x[18], mad_fixed_t y[36])
++ {
++ mad_fixed_t tmp[18];
++ int i;
++*/
++/* DCT-IV */
++imdct36_avr32:
++ pushm r0-r7,r11,lr
++ sub sp, 4*18
++/*
++ {
++ mad_fixed_t tmp2[18];
++ int i;
++
++ /* scale[i] = 2 * cos(PI * (2 * i + 1) / (4 * 18)) */
++/*
++ static mad_fixed_t const scale[18] = {
++ MAD_F(0x1ff833fa), MAD_F(0x1fb9ea93), MAD_F(0x1f3dd120),
++ MAD_F(0x1e84d969), MAD_F(0x1d906bcf), MAD_F(0x1c62648b),
++ MAD_F(0x1afd100f), MAD_F(0x1963268b), MAD_F(0x1797c6a4),
++ MAD_F(0x159e6f5b), MAD_F(0x137af940), MAD_F(0x11318ef3),
++ MAD_F(0x0ec6a507), MAD_F(0x0c3ef153), MAD_F(0x099f61c5),
++ MAD_F(0x06ed12c5), MAD_F(0x042d4544), MAD_F(0x0165547c)
++ };
++*/
++
++ /* scaling */
++
++/*
++ for (i = 0; i < 18; i += 3) {
++ tmp2[i + 0] = mad_f_mul(x[i + 0], scale[i + 0]);
++ tmp2[i + 1] = mad_f_mul(x[i + 1], scale[i + 1]);
++ tmp2[i + 2] = mad_f_mul(x[i + 2], scale[i + 2]);
++ }
++*/
++ /* even input butterfly */
++
++/*
++ for (i = 0; i < 9; i += 3) {
++ tmp3[i + 0] = tmp2[i + 0] + tmp2[18 - (i + 0) - 1];
++ tmp3[i + 1] = tmp2[i + 1] + tmp2[18 - (i + 1) - 1];
++ tmp3[i + 2] = tmp2[i + 2] + tmp2[18 - (i + 2) - 1];
++ }
++ for (i = 0; i < 9; i += 3) {
++ tmp4[i + 0] = tmp2[i + 0] - tmp2[18 - (i + 0) - 1];
++ tmp4[i + 1] = tmp2[i + 1] - tmp2[18 - (i + 1) - 1];
++ tmp4[i + 2] = tmp2[i + 2] - tmp2[18 - (i + 2) - 1];
++ }
++*/
++
++ ld.d r8, r12[0] /*r8 = x[1], r9 = x[0]*/
++ ld.d r0, pc[scale_dctIV - .] /*r0 = {scale[2], scale[3]}, r1 = { scale[0], scale[1] }*/
++ ld.d r2, r12[2*4] /*r2 = x[3], r3 = x[2]*/
++ ld.d r4, pc[scale_dctIV - . + 14*2] /*r4 = {scale[16], scale[17]}, r5 = { scale[14], scale[15] }*/
++ mulsatrndwh.w r9/*tmp2[0]*/, r9, r1:t /*tmp2[0] = mad_f_mul(x[0], scale[0]) */
++ ld.d r6, r12[16*4] /*r6 = x[17], r7 = x[16]*/
++ mulsatrndwh.w r8/*tmp2[1]*/, r8, r1:b /*tmp2[1] = mad_f_mul(x[1], scale[1]) */
++ mulsatrndwh.w r3/*tmp2[2]*/, r3, r0:t /*tmp2[2] = mad_f_mul(x[2], scale[2]) */
++ mulsatrndwh.w r2/*tmp2[3]*/, r2, r0:b /*tmp2[3] = mad_f_mul(x[3], scale[3]) */
++ ld.d r0, r12[14*4] /*r0 = x[15], r1 = x[14]*/
++ mulsatrndwh.w r7/*tmp2[16]*/, r7, r4:t /*tmp2[16] = mad_f_mul(x[16], scale[16]) */
++ mulsatrndwh.w r6/*tmp2[17]*/, r6, r4:b /*tmp2[17] = mad_f_mul(x[17], scale[17]) */
++ mulsatrndwh.w r1/*tmp2[14]*/, r1, r5:t /*tmp2[14] = mad_f_mul(x[14], scale[14]) */
++ mulsatrndwh.w r0/*tmp2[15]*/, r0, r5:b /*tmp2[15] = mad_f_mul(x[15], scale[15]) */
++
++ ld.d r4, r12[4*4] /*r4 = x[5], r5 = x[4]*/
++
++ sub lr/*tmp4[0]*/, r9, r6
++ add r6/*tmp3[0]*/, r9, r6
++ sub r10/*tmp4[1]*/, r8, r7
++ add r7/*tmp3[1]*/, r8, r7
++ sub r9/*tmp4[2]*/, r3, r0
++ add r0/*tmp3[2]*/, r3, r0
++ sub r8/*tmp4[3]*/, r2, r1
++ add r1/*tmp3[3]*/, r2, r1
++
++ ld.d r2, pc[scale_dctIV - . + 4*2] /*r2 = {scale[6], scale[7]}, r3 = { scale[4], scale[5] }*/
++
++ stm --sp, r8-r10, lr /*sp[0] = tmp4[0],sp[1] = tmp4[1],
++ sp[2] = tmp4[2],sp[3] = tmp4[3] */
++
++ /* Registers used: r0 = tmp3[2], r1 = tmp3[3], r6 = tmp3[0], r7 = tmp3[1], r12 = x
++ Free registers: r2-r5, r8-r11, lr
++ */
++ ld.d r8, r12[6*4] /*r8 = x[7], r9 = x[6]*/
++ ld.d r10, pc[scale_dctIV - . + 10*2] /*r10 = {scale[12], scale[13]}, r11 = { scale[10], scale[11] }*/
++ mulsatrndwh.w r5/*tmp2[4]*/, r5, r3:t /*tmp2[4] = mad_f_mul(x[4], scale[4]) */
++ mulsatrndwh.w r4/*tmp2[5]*/, r4, r3:b /*tmp2[5] = mad_f_mul(x[5], scale[5]) */
++ mulsatrndwh.w r9/*tmp2[6]*/, r9, r2:t /*tmp2[6] = mad_f_mul(x[6], scale[6]) */
++ mulsatrndwh.w r8/*tmp2[7]*/, r8, r2:b /*tmp2[7] = mad_f_mul(x[7], scale[7]) */
++
++ ld.d r2, r12[12*4] /*r2 = x[13], r3 = x[12]*/
++ ld.w lr, r12[11*4] /*lr = x[11] */
++ mulsatrndwh.w r3/*tmp2[12]*/, r3, r10:t /*tmp2[12] = mad_f_mul(x[12], scale[12]) */
++ mulsatrndwh.w r2/*tmp2[13]*/, r2, r10:b /*tmp2[13] = mad_f_mul(x[13], scale[13]) */
++ ld.w r10, r12[10*4] /*r10 = x[10] */
++ mulsatrndwh.w lr/*tmp2[11]*/, lr, r11:b /*tmp2[11] = mad_f_mul(x[11], scale[11]) */
++ mulsatrndwh.w r10/*tmp2[10]*/, r10, r11:t /*tmp2[10] = mad_f_mul(x[10], scale[10]) */
++
++ sub r11/*tmp4[4]*/, r5, r2
++ add r2/*tmp3[4]*/, r5, r2
++ sub r5/*tmp4[5]*/, r4, r3
++ add r3/*tmp3[5]*/, r4, r3
++ sub r4/*tmp4[6]*/, r9, lr
++ add lr/*tmp3[6]*/, r9, lr
++ sub r9/*tmp4[7]*/, r8, r10
++ add r10/*tmp3[7]*/, r8, r10
++ lddpc r8, scale_dctIV + 8*2 /*r8 = {scale[8], scale[9]} */
++
++ stm --sp, r4, r5, r9, r11 /*sp[0] = tmp4[4],sp[1] = tmp4[7],
++ sp[2] = tmp4[5],sp[3] = tmp4[6] */
++ ld.d r4, r12[8*4] /*r4 = x[9], r5 = x[8]*/
++ mulsatrndwh.w r5/*tmp2[8]*/, r5, r8:t /*tmp2[8] = mad_f_mul(x[8], scale[8]) */
++ mulsatrndwh.w r4/*tmp2[9]*/, r4, r8:b /*tmp2[9] = mad_f_mul(x[9], scale[9]) */
++ sub r9/*tmp4[8]*/, r5, r4
++ add r5/*tmp3[8]*/, r5, r4
++
++ st.w --sp, r9 /* sp[0] = tmp4[8] */
++
++ /* Registers used:
++
++ r0=tmp3[2], r1=tmp3[3], r2=tmp3[4], r3=tmp3[5], r5=tmp3[8], r6 = tmp3[0],
++ r7 = tmp3[1], r10=tmp3[7], lr=tmp3[6]
++ Free registers:
++ r4, r8, r9, r11, r12
++ */
++
++
++ /* SDCT-II */
++/*
++
++ {
++ mad_fixed_t tmp3[9];
++ int i;
++*/
++ /* scale[i] = 2 * cos(PI * (2 * i + 1) / (2 * 18)) */
++/*
++ static mad_fixed_t const scale[9] = {
++ MAD_F(0x1fe0d3b4), MAD_F(0x1ee8dd47), MAD_F(0x1d007930),
++ MAD_F(0x1a367e59), MAD_F(0x16a09e66), MAD_F(0x125abcf8),
++ MAD_F(0x0d8616bc), MAD_F(0x08483ee1), MAD_F(0x02c9fad7)
++ };
++*/
++ /* divide the 18-point SDCT-II into two 9-point SDCT-IIs */
++
++
++ /* fastdct */
++
++/*
++ {
++ mad_fixed_t a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12;
++ mad_fixed_t a13, a14, a15, a16, a17, a18, a19, a20, a21, a22, a23, a24, a25;
++ mad_fixed_t m0, m1, m2, m3, m4, m5, m6, m7;
++*/
++// enum {
++// c0 = MAD_F(0x1f838b8d), /* 2 * cos( 1 * PI / 18) */
++// c1 = MAD_F(0x1bb67ae8), /* 2 * cos( 3 * PI / 18) */
++// c2 = MAD_F(0x18836fa3), /* 2 * cos( 4 * PI / 18) */
++// c3 = MAD_F(0x1491b752), /* 2 * cos( 5 * PI / 18) */
++// c4 = MAD_F(0x0af1d43a), /* 2 * cos( 7 * PI / 18) */
++// c5 = MAD_F(0x058e86a0), /* 2 * cos( 8 * PI / 18) */
++// c6 = -MAD_F(0x1e11f642) /* 2 * cos(16 * PI / 18) */
++// };
++
++/*
++ a2 = tmp3[6] + tmp3[2];
++ a6 = tmp3[8] + tmp3[0];
++ a11 = a2 - a6;
++ m5 = mad_f_mul(a11, -c6) ;
++ a4 = tmp3[1] + tmp3[7];
++
++ a18 = tmp3[4] + a4;
++ a19 = -2 * tmp3[4] + a4;
++
++ a0 = tmp3[3] + tmp3[5];
++
++*/
++ add r11/*a4*/, r7, r10
++ add r12/*a18*/, r2, r11
++ sub r11/*a19*/, r11, r2<<1
++
++ add r4/*a2*/, lr, r0
++ add r8/*a6*/, r5, r6
++ sub r9/*a11*/, r4, r8
++
++ st.d --sp, r0 /* sp[0] = tmp3[3], sp1[1] = tmp3[2]*/
++
++ mov r2, MAD_F(0x1e11f642)
++ mulsatrndwh.w r9/*m5*/, r9, r2:b
++
++ add r2/*a0*/, r1, r3
++
++ /* Registers used:
++
++ r2=a0, r3=tmp3[5], r4=a2, r5=tmp3[8], r6 = tmp3[0],
++ r7 = tmp3[1], r8=a6, r10=tmp3[7], r9=m5, r11=a19, r12=a18,lr=tmp3[6]
++ Free registers:
++ r0, r1
++ */
++
++/*
++ a8 = a0 + a2;
++ a12 = a8 + a6;
++ a10 = a0 - a6;
++ a9 = a0 - a2;
++ m7 = mad_f_mul(a9, -c2) ;
++ m6 = mad_f_mul(a10, -c5) ;
++*/
++
++ add r0/*a8*/, r2, r4
++ add r0/*a12*/, r8
++ rsub r8/*a10*/, r2
++ sub r2/*a9*/, r4
++ mov r1, -MAD_F(0x18836fa3)
++ mulsatrndwh.w r2/*m7*/, r2, r1:b
++ mov r1, -MAD_F(0x058e86a0)
++ mulsatrndwh.w r8/*m6*/, r8, r1:b
++
++ /* Registers used:
++
++ r0=a12, r2=m7, r3=tmp3[5], r5=tmp3[8], r6 = tmp3[0],
++ r7 = tmp3[1], r8=m6, r10=tmp3[7], r9=m5, r11=a19, r12=a18,lr=tmp3[6]
++ Free registers:
++ r1, r4
++ */
++
++
++/*
++ a21 = -a19 - (m5 << 1);
++ tmp[ 8] = a21 - (m6 << 1);
++
++ a20 = a19 - (m5 << 1);
++ tmp[ 4] = (m7 << 1) + a20;
++ a22 = -a19 + (m6 << 1);
++ tmp[16] = a22 + (m7 << 1);
++ tmp[ 0] = a18 + a12;
++ tmp[12] = a12 - 2 * a18;
++*/
++ add r1/*a21*/, r11, r9 << 1
++ neg r1
++ sub r1/*tmp[8]*/, r1, r8 << 1
++ stdsp sp[4*11/*tmp3[..] on the stack*/ + 8*4], r1
++ sub r4/*a20*/, r11, r9 << 1
++ add r4/*tmp[4]*/, r4, r2 << 1
++ stdsp sp[4*11/*tmp3[..] on the stack*/ + 4*4], r4
++ neg r11
++ add r1/*a22*/, r11, r8 << 1
++ add r1/*tmp[16]*/, r1, r2 << 1
++ stdsp sp[4*11/*tmp3[..] on the stack*/ + 16*4], r1
++ add r4, r12, r0
++ sub r1, r0, r12 << 1
++ stdsp sp[4*11/*tmp3[..] on the stack*/ + 0*4], r4
++ stdsp sp[4*11/*tmp3[..] on the stack*/ + 12*4], r1
++
++ ld.d r0, sp++
++
++ /* Registers used:
++
++ r0 = tmp3[2], r1 = tmp3[3], r3=tmp3[5], r5=tmp3[8], r6 = tmp3[0],
++ r7 = tmp3[1], r10=tmp3[7], r11=a19, lr=tmp3[6]
++ Free registers:
++ r2,r4,r8,r9,r12
++ */
++
++/*
++ a5 = tmp3[1] - tmp3[7];
++ a7 = tmp3[8] - tmp3[0];
++ a3 = tmp3[6] - tmp3[2];
++ a1 = tmp3[3] - tmp3[5];
++ a13 = a1 - a3;
++ a14 = a13 + a7;
++ m3 = mad_f_mul(a14, -c1) ;
++ m4 = mad_f_mul(a5, -c1) ;
++ tmp[ 6] = m3 << 1;
++*/
++ sub r7/*a5*/, r10
++ sub r2/*a7*/, r5, r6
++ sub r4/*a3*/, lr, r0
++ sub r8/*a1*/, r1, r3
++ sub r9/*a13*/, r8, r4
++ add r12/*a14*/, r9, r2
++ mov r0, -MAD_F(0x1bb67ae8)
++ mulsatrndwh.w r12/*m3*/, r12, r0:b
++ mulsatrndwh.w r7/*m4*/, r7, r0:b
++ lsl r12, 1
++ stdsp sp[4*9/*tmp3[..] on the stack*/ + 6*4], r12
++
++ /* Registers used:
++ r2 = a7, r4 = a3, r7 = m4, r8 = a1, r12 = m3
++
++ Free registers:
++ r0, r1, r3, r5, r6, r10, r9, r11, lr
++ */
++
++
++/*
++ a15 = a3 + a7;
++ m2 = mad_f_mul(a15, -c4) ;
++ a17 = a1 + a3;
++ m0 = mad_f_mul(a17, -c3) ;
++ a23 = (m4 << 1) + (m2 << 1);
++ tmp[14] = a23 + (m0 << 1); */
++ add r0/*a15*/, r4, r2
++ mov r1, -MAD_F(0x0af1d43a)
++ mulsatrndwh.w r0/*m2*/, r0, r1:b
++ mov r3, -MAD_F(0x1491b752)
++ add r5/*a17*/, r8, r4
++ mulsatrndwh.w r5/*m0*/, r5, r3:b
++ lsl r7, 1
++ add r6/*a23*/, r7, r0 << 1
++ add r6/*tmp[14]*/, r6, r5 << 1
++ stdsp sp[4*9/*tmp3[..] on the stack*/ + 14*4], r6
++
++ /* Registers used:
++ r0 = m2, r2 = a7, r5 = m0, r7 = m4, r8 = a1
++
++ Free registers:
++ r1, r3, r4, r6, r10, r9, r11, lr
++ */
++
++/*
++ a16 = a1 - a7;
++ m1 = mad_f_mul(a16, -c0) ;
++ a24 = (m4 << 1) - (m2 << 1);
++ tmp[10] = a24 - (m1 << 1);
++
++ a25 = (m4 << 1) + (m1 << 1);
++ tmp[ 2] = (m0 << 1) - a25;
++*/
++ sub r3/*a16*/, r8, r2
++ mov r4, -MAD_F(0x1f838b8d)
++ mulsatrndwh.w r3/*m1*/, r3, r4:b
++ sub r1/*a24*/, r7, r0 << 1
++ sub r1/*tmp[10]*/, r1, r3 << 1
++ stdsp sp[4*9/*tmp3[..] on the stack*/ + 10*4], r1
++ add r7/*a25*/, r7, r3 << 1
++ sub r7, r7, r5 << 1
++ neg r7
++ stdsp sp[4*9/*tmp3[..] on the stack*/ + 2*4], r7
++
++
++
++
++ /* output to every other slot for convenience */
++
++ /*} */
++ /* End fastdct */
++
++ /* odd input butterfly and scaling */
++
++
++ /* On the stack:
++ sp[0] = tmp4[8], sp[1] = tmp4[4],sp[2] = tmp4[7], sp[3] = tmp4[5],sp[4] = tmp4[6]
++ sp[5] = tmp4[0], sp[6] = tmp4[1],sp[7] = tmp4[2],sp[8] = tmp4[3]
++ */
++
++ /*
++ tmp3[0] = mad_f_mul(tmp4[0], scale[0]);
++ tmp3[1] = mad_f_mul(tmp4[1], scale[1]) << 1;
++ tmp3[2] = mad_f_mul(tmp4[2], scale[2]);
++ tmp3[3] = mad_f_mul(tmp4[3], scale[3]) << 1;
++ tmp3[4] = mad_f_mul(tmp4[4], scale[4]);
++ tmp3[5] = mad_f_mul(tmp4[5], scale[5]);
++ tmp3[6] = mad_f_mul(tmp4[6], scale[6]) << 1;
++ tmp3[7] = mad_f_mul(tmp4[7], scale[7]);
++ tmp3[8] = mad_f_mul(tmp4[8], scale[8]) << 1;
++ */
++ /* Registers used:
++ r1 = tmp4[3], r2 = tmp4[2], r3 = tmp4[1], r4 = tmp4[0], r7 = tmp4[6]
++ r10 = tmp4[5], r11 = tmp4[7], r12 = tmp4[4], lr = tmp4[8]
++
++ Free registers:
++ r0, r5, r6, r8, r9
++ */
++ ld.d r8, pc[ scale_sdctII - . + 4*2] /* r8 = { scale[6], scale[7] }, r9 = { scale[4], scale[5]} */
++ ldm sp++, r1, r2, r3, r4, r7, r10, r11, r12, lr
++ mov r5, MAD_F(0x02c9fad7) /* r3 = scale[8] */
++ mulsatrndwh.w r5/*tmp3[8]*/, lr, r5:b
++ mulsatrndwh.w lr/*tmp3[6]*/, r7, r8:t
++ ld.d r6, pc[ scale_sdctII - . + 0*2] /* r6 = { scale[2], scale[3] }, r7 = { scale[0], scale[1]} */
++ lsl lr, 1
++ lsl r5, 1
++ mulsatrndwh.w r0/*tmp3[2]*/, r2, r6:t
++ mulsatrndwh.w r1/*tmp3[3]*/, r1, r6:b
++ mulsatrndwh.w r6/*tmp3[0]*/, r4, r7:t
++ mulsatrndwh.w r7/*tmp3[1]*/, r3, r7:b
++ mulsatrndwh.w r3/*tmp3[5]*/, r10, r9:b
++ mulsatrndwh.w r2/*tmp3[4]*/, r12, r9:t
++ mulsatrndwh.w r9/*tmp3[7]*/, r11, r8:b
++ lsl r1, 1
++ lsl r7, 1
++
++
++ /* fastdct */
++
++/*
++ {
++ mad_fixed_t a0, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10, a11, a12;
++ mad_fixed_t a13, a14, a15, a16, a17, a18, a19, a20, a21, a22, a23, a24, a25;
++ mad_fixed_t m0, m1, m2, m3, m4, m5, m6, m7;
++*/
++// enum {
++// c0 = MAD_F(0x1f838b8d), /* 2 * cos( 1 * PI / 18) */
++// c1 = MAD_F(0x1bb67ae8), /* 2 * cos( 3 * PI / 18) */
++// c2 = MAD_F(0x18836fa3), /* 2 * cos( 4 * PI / 18) */
++// c3 = MAD_F(0x1491b752), /* 2 * cos( 5 * PI / 18) */
++// c4 = MAD_F(0x0af1d43a), /* 2 * cos( 7 * PI / 18) */
++// c5 = MAD_F(0x058e86a0), /* 2 * cos( 8 * PI / 18) */
++// c6 = -MAD_F(0x1e11f642) /* 2 * cos(16 * PI / 18) */
++// };
++
++ /* Registers used:
++
++ r0=tmp3[2], r1=tmp3[3], r2=tmp3[4], r3=tmp3[5], r5=tmp3[8], r6 = tmp3[0],
++ r7 = tmp3[1], r9=tmp3[7], lr=tmp3[6]
++ Free registers:
++ r4, r8, r10, r11, r12
++ */
++
++/*
++ a2 = tmp3[6] + (tmp3[2] << 1);
++ a6 = tmp3[8] + (tmp3[0] << 1);
++ a11 = a2 - a6;
++ m5 = mad_f_mul(a11, c6) ;
++ a4 = tmp3[1] + (tmp3[7] << 1);
++
++ a18 = (tmp3[4] << 1) + a4;
++ a19 = -2 * (tmp3[4] << 1) + a4;
++
++ a0 = tmp3[3] + (tmp3[5] << 1);
++
++*/
++ add r11/*a4*/, r7, r9 << 1
++ add r12/*a18*/, r11, r2 << 1
++ sub r11/*a19*/, r11, r2 << 2
++
++ add r4/*a2*/, lr, r0 << 1
++ add r8/*a6*/, r5, r6 << 1
++ sub r10/*a11*/, r4, r8
++
++ st.d --sp, r0 /* sp[0] = tmp3[3], sp1[1] = tmp3[2]*/
++
++ mov r2, -MAD_F(0x1e11f642)
++ mulsatrndwh.w r10/*m5*/, r10, r2:b
++
++ add r2/*a0*/, r1, r3 << 1
++
++ /* Registers used:
++
++ r2=a0, r3=tmp3[5], r4=a2, r5=tmp3[8], r6 = tmp3[0],
++ r7 = tmp3[1], r8=a6, r9=tmp3[7], r10=m5, r11=a19, r12=a18,lr=tmp3[6]
++ Free registers:
++ r0, r1
++ */
++
++/*
++ a8 = a0 + a2;
++ a12 = a8 + a6;
++ a10 = a0 - a6;
++ a9 = a0 - a2;
++ m7 = mad_f_mul(a9, -c2) ;
++ m6 = mad_f_mul(a10, -c5) ;
++*/
++
++ add r0/*a8*/, r2, r4
++ add r0/*a12*/, r8
++ rsub r8/*a10*/, r2
++ sub r2/*a9*/, r4
++ mov r1, -MAD_F(0x18836fa3)
++ mulsatrndwh.w r2/*m7*/, r2, r1:b
++ mov r1, -MAD_F(0x058e86a0)
++ mulsatrndwh.w r8/*m6*/, r8, r1:b
++
++ /* Registers used:
++
++ r0=a12, r2=m7, r3=tmp3[5], r5=tmp3[8], r6 = tmp3[0],
++ r7 = tmp3[1], r8=m6, r9=tmp3[7], r10=m5, r11=a19, r12=a18,lr=tmp3[6]
++ Free registers:
++ r1, r4
++ */
++
++
++/*
++ a21 = -a19 + (m5 << 1);
++ tmp[ 9] = a21 - (m6 << 1);
++
++ a20 = -(-a19 - (m5 << 1));
++ tmp[ 5] = (m7 << 1) + a20;
++ a22 = -a19 + (m6 << 1);
++ tmp[17] = a22 + (m7 << 1);
++ tmp[ 1] = a18 + a12;
++ tmp[13] = a12 - 2 * a18;
++*/
++ sub r1/*a21*/, r11, r10 << 1
++ neg r1
++ sub r1/*tmp[9]*/, r1, r8 << 1
++ stdsp sp[4*2/*tmp3[..] on the stack*/ + 9*4], r1
++ add r4/*a20*/, r11, r10 << 1
++ add r4/*tmp[5]*/, r4, r2 << 1
++ stdsp sp[4*2/*tmp3[..] on the stack*/ + 5*4], r4
++ neg r11
++ add r1/*a22*/, r11, r8 << 1
++ add r1/*tmp[17]*/, r1, r2 << 1
++ stdsp sp[4*2/*tmp3[..] on the stack*/ + 17*4], r1
++ add r4, r12, r0
++ sub r1, r0, r12 << 1
++ stdsp sp[4*2/*tmp3[..] on the stack*/ + 1*4], r4
++ stdsp sp[4*2/*tmp3[..] on the stack*/ + 13*4], r1
++
++ ld.d r0, sp++
++
++ /* Registers used:
++
++ r0 = tmp3[2], r1 = tmp3[3], r3=tmp3[5], r5=tmp3[8], r6 = tmp3[0],
++ r7 = tmp3[1], r9=tmp3[7], r11=a19, lr=tmp3[6]
++ Free registers:
++ r2,r4,r8,r10,r12
++ */
++
++/*
++ a5 = tmp3[1] - (tmp3[7] << 1);
++ a7 = tmp3[8] - (tmp3[0] << 1);
++ a3 = tmp3[6] - (tmp3[2] << 1);
++ a1 = tmp3[3] - (tmp3[5] << 1);
++ a13 = a1 - a3;
++ a14 = a13 + a7;
++ m3 = mad_f_mul(a14, -c1) ;
++ m4 = mad_f_mul(a5, -c1) ;
++ tmp[ 7] = m3 << 1;
++*/
++ sub r7/*a5*/, r7, r9 << 1
++ sub r2/*a7*/, r5, r6 << 1
++ sub r4/*a3*/, lr, r0 << 1
++ sub r8/*a1*/, r1, r3 << 1
++ sub r10/*a13*/, r8, r4
++ add r12/*a14*/, r10, r2
++ mov r0, -MAD_F(0x1bb67ae8)
++ mulsatrndwh.w r12/*m3*/, r12, r0:b
++ mulsatrndwh.w r7/*m4*/, r7, r0:b
++ lsl r12, 1
++ stdsp sp[7*4], r12
++
++ /* Registers used:
++ r2 = a7, r4 = a3, r7 = m4, r8 = a1, r12 = m3
++
++ Free registers:
++ r0, r1, r3, r5, r6, r9, r10, r11, lr
++ */
++
++
++/*
++ a15 = a3 + a7;
++ m2 = mad_f_mul(a15, -c4) ;
++ a17 = a1 + a3;
++ m0 = mad_f_mul(a17, -c3) ;
++ a23 = (m4 << 1) + (m2 << 1);
++ tmp[15] = a23 + (m0 << 1); */
++ add r0/*a15*/, r4, r2
++ mov r1, -MAD_F(0x0af1d43a)
++ mulsatrndwh.w r0/*m2*/, r0, r1:b
++ mov r3, -MAD_F(0x1491b752)
++ add r5/*a17*/, r8, r4
++ mulsatrndwh.w r5/*m0*/, r5, r3:b
++ lsl r7, 1
++ add r6/*a23*/, r7, r0 << 1
++ add r6/*tmp[15]*/, r6, r5 << 1
++ stdsp sp[15*4], r6
++
++ /* Registers used:
++ r0 = m2, r2 = a7, r5 = m0, r7 = m4, r8 = a1
++
++ Free registers:
++ r1, r3, r4, r6, r9, r10, r11, lr
++ */
++
++/*
++ a16 = a1 - a7;
++ m1 = mad_f_mul(a16, -c0) ;
++ a24 = (m4 << 1) - (m2 << 1);
++ tmp[11] = a24 - (m1 << 1);
++
++ a25 = (m4 << 1) + (m1 << 1);
++ tmp[ 3] = (m0 << 1) - a25;
++*/
++ sub r3/*a16*/, r8, r2
++ mov r4, -MAD_F(0x1f838b8d)
++ mulsatrndwh.w r3/*m1*/, r3, r4:b
++ sub r1/*a24*/, r7, r0 << 1
++ sub r1/*tmp[11]*/, r1, r3 << 1
++ stdsp sp[11*4], r1
++ add r7/*a25*/, r7, r3 << 1
++ sub r7, r7, r5 << 1
++ neg r7
++ lddsp r12, sp[4*18+4] /* Get y from stack */
++ stdsp sp[3*4], r7
++
++
++ /* output to every other slot for convenience */
++
++ /* End fastdct */
++
++ /* output accumulation */
++
++/* for (i = 3; i < 18; i += 8) {
++ tmp[i + 0] -= tmp[(i + 0) - 2];
++ tmp[i + 2] -= tmp[(i + 2) - 2];
++ tmp[i + 4] -= tmp[(i + 4) - 2];
++ tmp[i + 6] -= tmp[(i + 6) - 2];
++ }
++ }
++*/
++
++/* End SDCT-II */
++
++
++
++ /* scale reduction and output accumulation */
++
++/*
++ for (i = 1; i < 17; i += 4) {
++ tmp[i + 0] = tmp[i + 0] - tmp[(i + 0) - 1];
++ tmp[i + 1] = tmp[i + 1] - tmp[(i + 1) - 1];
++ tmp[i + 2] = tmp[i + 2] - tmp[(i + 2) - 1];
++ tmp[i + 3] = tmp[i + 3] - tmp[(i + 3) - 1];
++ }
++ tmp[17] = tmp[17] - tmp[16];
++ }
++*/
++/* End DCT-IV */
++
++
++ /* convert 18-point DCT-IV to 36-point IMDCT */
++
++/*
++ for (i = 0; i < 9; i += 3) {
++ y[i + 0] = tmp[9 + (i + 0)];
++ y[i + 1] = tmp[9 + (i + 1)];
++ y[i + 2] = tmp[9 + (i + 2)];
++ }
++ for (i = 9; i < 27; i += 3) {
++ y[i + 0] = -tmp[36 - (9 + (i + 0)) - 1];
++ y[i + 1] = -tmp[36 - (9 + (i + 1)) - 1];
++ y[i + 2] = -tmp[36 - (9 + (i + 2)) - 1];
++ }
++ for (i = 27; i < 36; i += 3) {
++ y[i + 0] = -tmp[(i + 0) - 27];
++ y[i + 1] = -tmp[(i + 1) - 27];
++ y[i + 2] = -tmp[(i + 2) - 27];
++ }
++ }
++*/
++
++ /* Registers used:
++ r0 = tmp[8], r1 = tmp[7], r2 = tmp[6], r3 = tmp[5], r4 = tmp[4]
++ r5 = tmp[3], r6 = tmp[2], r7 = tmp[1], r8 = tmp[0], r12 = y
++
++ Free registers:
++ r9, r10, r11, lr
++ */
++
++ ldm sp++, r0-r8 /* Get tmp[0]-tmp[8] from stack */
++ sub r5, r7 /* tmp[3] -= tmp[1]*/
++ sub r3, r5 /* tmp[5] -= tmp[3]*/
++ sub r1, r3 /* tmp[7] -= tmp[5]*/
++
++ sub r7, r8 /* tmp[1] -= tmp[0]*/
++ sub r6, r7 /* tmp[2] -= tmp[1]*/
++ sub r5, r6 /* tmp[3] -= tmp[2]*/
++ neg r8
++ st.w r12[26*4], r8 /* y[26] = -tmp[0] */
++ st.w r12[27*4], r8 /* y[27] = -tmp[0] */
++ neg r7
++ neg r6
++ st.w r12[25*4], r7 /* y[25] = -tmp[1] */
++ st.w r12[24*4], r6 /* y[24] = -tmp[2] */
++ st.d r12[28*4], r6 /* y[28] = -tmp[1], y[29] = -tmp[2]*/
++
++ sub r4, r5 /* tmp[4] -= tmp[3]*/
++ sub r3, r4 /* tmp[5] -= tmp[4]*/
++ neg r5
++ neg r4
++ st.w r12[23*4], r5 /* y[23] = -tmp[3] */
++ st.w r12[22*4], r4 /* y[22] = -tmp[4] */
++ st.d r12[30*4], r4 /* y[30] = -tmp[3], y[31] = -tmp[4]*/
++
++ ldm sp++, r4-r11,lr /* Get tmp[9]-tmp[17] from stack */
++
++ sub r2, r3 /* tmp[6] -= tmp[5]*/
++
++ sub lr, r1 /* tmp[9] -= tmp[7]*/
++ sub r10, lr /* tmp[11] -= tmp[9]*/
++ sub r8, r10 /* tmp[13] -= tmp[11]*/
++ sub r6, r8 /* tmp[15] -= tmp[13]*/
++ sub r4, r6 /* tmp[17] -= tmp[15]*/
++
++ sub r1, r2 /* tmp[7] -= tmp[6]*/
++ sub r0, r1 /* tmp[8] -= tmp[7]*/
++ neg r3
++ neg r2
++ st.w r12[21*4], r3 /* y[21] = -tmp[5] */
++ st.w r12[20*4], r2 /* y[20] = -tmp[6] */
++ st.d r12[32*4], r2 /* y[32] = -tmp[5], y[33] = -tmp[6]*/
++
++ sub lr, r0 /* tmp[9] -= tmp[8]*/
++ sub r11, lr /* tmp[10] -= tmp[9]*/
++ neg r1
++ neg r0
++ st.w r12[19*4], r1 /* y[19] = -tmp[7] */
++ st.w r12[18*4], r0 /* y[18] = -tmp[8] */
++ st.d r12[34*4], r0 /* y[34] = -tmp[7], y[35] = -tmp[8]*/
++
++ sub r10, r11 /* tmp[11] -= tmp[10]*/
++ sub r9, r10 /* tmp[12] -= tmp[11]*/
++
++ st.w r12[0*4], lr /* y[0] = tmp[9]*/
++ neg lr
++ st.w r12[17*4], lr /* y[17] = -tmp[9]*/
++ st.d r12[1*4], r10 /* y[1] = tmp[10], y[2] = tmp[11] */
++ neg r11
++ neg r10
++ st.w r12[16*4], r11 /* y[16] = -tmp[10] */
++ st.w r12[15*4], r10 /* y[15] = -tmp[11] */
++
++
++ sub r8, r9 /* tmp[13] -= tmp[12]*/
++ sub r7, r8 /* tmp[14] -= tmp[13]*/
++ st.d r12[3*4], r8 /* y[3] = tmp[12], y[4] = tmp[13] */
++ neg r9
++ neg r8
++ st.w r12[14*4], r9 /* y[14] = -tmp[12] */
++ st.w r12[13*4], r8 /* y[13] = -tmp[13] */
++
++ sub r6, r7 /* tmp[15] -= tmp[14]*/
++ sub r5, r6 /* tmp[16] -= tmp[15]*/
++ sub r4, r5 /* tmp[17] -= tmp[16]*/
++
++ st.d r12[5*4], r6 /* y[5] = tmp[14], y[6] = tmp[15] */
++ neg r7
++ neg r6
++ st.w r12[12*4], r7 /* y[12] = -tmp[14] */
++ st.w r12[11*4], r6 /* y[11] = -tmp[15] */
++
++ st.d r12[7*4], r4 /* y[7] = tmp[16], y[8] = tmp[17] */
++ neg r5
++ neg r4
++ st.w r12[10*4], r5 /* y[10] = -tmp[16] */
++ st.w r12[9*4], r4 /* y[9] = -tmp[17] */
++
++ popm r0-r7,r11,pc
++
++ .align 2
++scale_dctIV:
++ .short MAD_F(0x1ff833fa), MAD_F(0x1fb9ea93), MAD_F(0x1f3dd120)
++ .short MAD_F(0x1e84d969), MAD_F(0x1d906bcf), MAD_F(0x1c62648b)
++ .short MAD_F(0x1afd100f), MAD_F(0x1963268b), MAD_F(0x1797c6a4)
++ .short MAD_F(0x159e6f5b), MAD_F(0x137af940), MAD_F(0x11318ef3)
++ .short MAD_F(0x0ec6a507), MAD_F(0x0c3ef153), MAD_F(0x099f61c5)
++ .short MAD_F(0x06ed12c5), MAD_F(0x042d4544), MAD_F(0x0165547c)
++
++ .align 2
++scale_sdctII:
++ .short MAD_F(0x1fe0d3b4), MAD_F(0x1ee8dd47), MAD_F(0x1d007930)
++ .short MAD_F(0x1a367e59), MAD_F(0x16a09e66), MAD_F(0x125abcf8)
++ .short MAD_F(0x0d8616bc), MAD_F(0x08483ee1), MAD_F(0x02c9fad7)
+diff --git a/layer3.c b/layer3.c
+index 4e5d3fa..dffdab3 100644
+--- a/layer3.c
++++ b/layer3.c
+@@ -378,6 +378,11 @@ mad_fixed_t const ca[8] = {
+ -MAD_F(0x003a2847) /* -0.014198569 */, -MAD_F(0x000f27b4) /* -0.003699975 */
+ };
+
++#ifdef FPM_AVR32
++# undef MAD_F
++# define MAD_F(x) ((x + (1 << 12)) >> 13)
++#endif
++
+ /*
+ * IMDCT coefficients for short blocks
+ * derived from section 2.4.3.4.10.2 of ISO/IEC 11172-3
+@@ -386,7 +391,7 @@ mad_fixed_t const ca[8] = {
+ * imdct_s[i /odd][k] = cos((PI / 24) * (2 * (6 + (i-1)/2) + 7) * (2 * k + 1))
+ */
+ static
+-mad_fixed_t const imdct_s[6][6] = {
++mad_coeff_t const imdct_s[6][6] = {
+ # include "imdct_s.dat"
+ };
+
+@@ -398,7 +403,7 @@ mad_fixed_t const imdct_s[6][6] = {
+ * window_l[i] = sin((PI / 36) * (i + 1/2))
+ */
+ static
+-mad_fixed_t const window_l[36] = {
++mad_coeff_t const window_l[36] = {
+ MAD_F(0x00b2aa3e) /* 0.043619387 */, MAD_F(0x0216a2a2) /* 0.130526192 */,
+ MAD_F(0x03768962) /* 0.216439614 */, MAD_F(0x04cfb0e2) /* 0.300705800 */,
+ MAD_F(0x061f78aa) /* 0.382683432 */, MAD_F(0x07635284) /* 0.461748613 */,
+@@ -429,7 +434,7 @@ mad_fixed_t const window_l[36] = {
+ * window_s[i] = sin((PI / 12) * (i + 1/2))
+ */
+ static
+-mad_fixed_t const window_s[12] = {
++mad_coeff_t const window_s[12] = {
+ MAD_F(0x0216a2a2) /* 0.130526192 */, MAD_F(0x061f78aa) /* 0.382683432 */,
+ MAD_F(0x09bd7ca0) /* 0.608761429 */, MAD_F(0x0cb19346) /* 0.793353340 */,
+ MAD_F(0x0ec835e8) /* 0.923879533 */, MAD_F(0x0fdcf549) /* 0.991444861 */,
+@@ -438,6 +443,11 @@ mad_fixed_t const window_s[12] = {
+ MAD_F(0x061f78aa) /* 0.382683432 */, MAD_F(0x0216a2a2) /* 0.130526192 */,
+ };
+
++#ifdef FPM_AVR32
++# undef MAD_F
++# define MAD_F(x) ((mad_fixed_t) (x##L))
++#endif
++
+ /*
+ * coefficients for intensity stereo processing
+ * derived from section 2.4.3.4.9.3 of ISO/IEC 11172-3
+@@ -879,6 +889,42 @@ void III_exponents(struct channel const *channel,
+ * NAME: III_requantize()
+ * DESCRIPTION: requantize one (positive) value
+ */
++
++#if 0
++/*static*/
++mad_fixed_t III_requantize(unsigned int value, signed int exp)
++{
++ register mad_fixed_t tmp2, tmp3;
++ long long tmp_d;
++
++ asm ("asr\t%0, %1, 2\n"
++ "ld.w\t%2, %4[%5 << 2]\n"
++ "sub\t%1, %1, %0 << 2\n"
++ "asr\t%3, %2, 7\n"
++ "andl\t%2, 0x7f, COH\n"
++ "add\t%0, %2\n"
++ "lsl\t%m0,%3,%0\n"
++ "neg\t%0\n"
++ "asr\t%3,%3,%0\n"
++ "add\t%2, %6, %1 << 2\n"
++ "ld.w\t%2, %2[12]\n"
++ "cp.w\t%0, 0\n"
++ "movlt\t%3, %m0\n"
++ "muls.d\t%0, %3, %2\n"
++ "cp.w\t%1, 0\n"
++ "breq\t0f\n"
++ "lsr\t%0, %0, 28\n"
++ "or\t%3, %0, %m0 << 4\n"
++ "0:\n"
++ : "=&r"(tmp_d), "+r"(exp), "=&r"(tmp2), "=&r"(tmp3)
++ : "r"(&rq_table), "r"(value), "r"(root_table));
++
++
++ return tmp3;
++}
++
++#else
++
+ static
+ mad_fixed_t III_requantize(unsigned int value, signed int exp)
+ {
+@@ -918,6 +964,7 @@ mad_fixed_t III_requantize(unsigned int value, signed int exp)
+
+ return frac ? mad_f_mul(requantized, root_table[3 + frac]) : requantized;
+ }
++#endif
+
+ /* we must take care that sz >= bits and sz < sizeof(long) lest bits == 0 */
+ # define MASK(cache, sz, bits) \
+@@ -2054,27 +2101,42 @@ void imdct36(mad_fixed_t const X[18], mad_fixed_t x[36])
+ }
+ # endif
+
++
++#ifdef FPM_AVR32
++# undef mad_f_mul
++# define mad_f_mul(x, y) __builtin_mulsatrndwh_w(x, y)
++#endif
++
+ /*
+ * NAME: III_imdct_l()
+ * DESCRIPTION: perform IMDCT and windowing for long blocks
+ */
+ static
+-void III_imdct_l(mad_fixed_t const X[18], mad_fixed_t z[36],
++void III_imdct_l(mad_fixed_t /*const*/ X[18], mad_fixed_t z[36],
+ unsigned int block_type)
+ {
+ unsigned int i;
++ mad_fixed_t *z_ptr;
++ mad_coeff_t *w_ptr;
+
+ /* IMDCT */
+
++#ifdef FPM_AVR32
++ imdct36_avr32(X, z);
++#else
+ imdct36(X, z);
++#endif
+
+ /* windowing */
+
++ z_ptr = &z[0];
++ w_ptr = &window_l[0];
++
+ switch (block_type) {
+ case 0: /* normal window */
+ # if defined(ASO_INTERLEAVE1)
+ {
+- register mad_fixed_t tmp1, tmp2;
++ register mad_coeff_t tmp1, tmp2;
+
+ tmp1 = window_l[0];
+ tmp2 = window_l[1];
+@@ -2091,15 +2153,16 @@ void III_imdct_l(mad_fixed_t const X[18], mad_fixed_t z[36],
+ }
+ # elif defined(ASO_INTERLEAVE2)
+ {
+- register mad_fixed_t tmp1, tmp2;
++ register mad_fixed_t tmp1;
++ register mad_coeff_t tmp2;
+
+- tmp1 = z[0];
+- tmp2 = window_l[0];
++ tmp1 = *z_ptr;
++ tmp2 = *w_ptr++;
+
+ for (i = 0; i < 35; ++i) {
+- z[i] = mad_f_mul(tmp1, tmp2);
+- tmp1 = z[i + 1];
+- tmp2 = window_l[i + 1];
++ *z_ptr++ = mad_f_mul(tmp1, tmp2);
++ tmp1 = *z_ptr;
++ tmp2 = *w_ptr++;
+ }
+
+ z[35] = mad_f_mul(tmp1, tmp2);
+@@ -2118,23 +2181,28 @@ void III_imdct_l(mad_fixed_t const X[18], mad_fixed_t z[36],
+
+ case 1: /* start block */
+ for (i = 0; i < 18; i += 3) {
+- z[i + 0] = mad_f_mul(z[i + 0], window_l[i + 0]);
+- z[i + 1] = mad_f_mul(z[i + 1], window_l[i + 1]);
+- z[i + 2] = mad_f_mul(z[i + 2], window_l[i + 2]);
++ *(z_ptr++) = mad_f_mul(*z_ptr, *w_ptr++);
++ *(z_ptr++) = mad_f_mul(*z_ptr, *w_ptr++);
++ *(z_ptr++) = mad_f_mul(*z_ptr, *w_ptr++);
+ }
++ z_ptr += 6;
++ w_ptr = &window_s[6];
+ /* (i = 18; i < 24; ++i) z[i] unchanged */
+- for (i = 24; i < 30; ++i) z[i] = mad_f_mul(z[i], window_s[i - 18]);
+- for (i = 30; i < 36; ++i) z[i] = 0;
++ for (i = 24; i < 30; ++i) *z_ptr++ = mad_f_mul(*z_ptr, *w_ptr++);
++ for (i = 30; i < 36; ++i) *z_ptr++ = 0;
+ break;
+
+ case 3: /* stop block */
+- for (i = 0; i < 6; ++i) z[i] = 0;
+- for (i = 6; i < 12; ++i) z[i] = mad_f_mul(z[i], window_s[i - 6]);
++ w_ptr = &window_s[0];
++ for (i = 0; i < 6; ++i) *z_ptr++ = 0;
++ for (i = 6; i < 12; ++i) *z_ptr++ = mad_f_mul(*z_ptr, *w_ptr++);
+ /* (i = 12; i < 18; ++i) z[i] unchanged */
++ w_ptr = &window_l[18];
++ z_ptr += 6;
+ for (i = 18; i < 36; i += 3) {
+- z[i + 0] = mad_f_mul(z[i + 0], window_l[i + 0]);
+- z[i + 1] = mad_f_mul(z[i + 1], window_l[i + 1]);
+- z[i + 2] = mad_f_mul(z[i + 2], window_l[i + 2]);
++ *z_ptr++ = mad_f_mul(*z_ptr, *w_ptr++ );
++ *z_ptr++ = mad_f_mul(*z_ptr, *w_ptr++);
++ *z_ptr++ = mad_f_mul(*z_ptr, *w_ptr++);
+ }
+ break;
+ }
+@@ -2146,10 +2214,10 @@ void III_imdct_l(mad_fixed_t const X[18], mad_fixed_t z[36],
+ * DESCRIPTION: perform IMDCT and windowing for short blocks
+ */
+ static
+-void III_imdct_s(mad_fixed_t const X[18], mad_fixed_t z[36])
++void III_imdct_s(mad_fixed_t /*const*/ X[18], mad_fixed_t z[36])
+ {
+ mad_fixed_t y[36], *yptr;
+- mad_fixed_t const *wptr;
++ mad_coeff_t const *wptr;
+ int w, i;
+ register mad_fixed64hi_t hi;
+ register mad_fixed64lo_t lo;
+@@ -2159,11 +2227,56 @@ void III_imdct_s(mad_fixed_t const X[18], mad_fixed_t z[36])
+ yptr = &y[0];
+
+ for (w = 0; w < 3; ++w) {
+- register mad_fixed_t const (*s)[6];
++ register mad_coeff_t const (*s)[6];
+
+ s = imdct_s;
+
+ for (i = 0; i < 3; ++i) {
++#ifdef FPM_AVR32
++ register long long int acc, tmp1, tmp2, tmp3, tmp4;
++ asm volatile ("ld.d\t%0, %5++\n"
++ "ld.d\t%1, %6[0]\n"
++ "ld.d\t%2, %6[2*4]\n"
++ "ld.d\t%3, %6[4*4]\n"
++ "mulwh.d\t%4, %m1, %m0:t\n"
++ "macwh.d\t%4, %1, %m0:b\n"
++ "ld.w\t%m0, %5++\n"
++ "macwh.d\t%4, %m2, %0:t\n"
++ "macwh.d\t%4, %2, %0:b\n"
++ "macwh.d\t%4, %m3, %m0:t\n"
++ "macwh.d\t%4, %3, %m0:b\n"
++ "ld.d\t%0, %5++\n"
++ "rol\t%4\n"
++ "rol\t%m4\n"
++ : "=&r"(tmp1), "=&r"(tmp2), "=&r"(tmp3), "=&r"(tmp4),
++ "=&r"(acc), "+r"(s)
++ : "r"(X));
++
++ asm volatile ("st.w\t%1[0], %m0\n"
++ "neg\t%m0\n"
++ "st.w\t%2[5*4], %m0\n"
++ : "+r"(acc)
++ : "r"(&yptr[i]), "r"(&yptr[-i]));
++
++ asm volatile ("mulwh.d\t%4, %m1, %m0:t\n"
++ "macwh.d\t%4, %1, %m0:b\n"
++ "ld.w\t%m0, %5++\n"
++ "macwh.d\t%4, %m2, %0:t\n"
++ "macwh.d\t%4, %2, %0:b\n"
++ "macwh.d\t%4, %m3, %m0:t\n"
++ "macwh.d\t%4, %3, %m0:b\n"
++ "rol\t%4\n"
++ "rol\t%m4\n"
++ : "+r"(tmp1), "+r"(tmp2), "+r"(tmp3), "+r"(tmp4),
++ "=&r"(acc), "+r"(s)
++ : "r"(X));
++
++ asm volatile ( "st.w\t%1[6*4], %m0\n"
++ "st.w\t%2[11*4], %m0\n"
++ :: "r"(acc), "r"(&yptr[i]), "r"(&yptr[-i]));
++
++
++#else
+ MAD_F_ML0(hi, lo, X[0], (*s)[0]);
+ MAD_F_MLA(hi, lo, X[1], (*s)[1]);
+ MAD_F_MLA(hi, lo, X[2], (*s)[2]);
+@@ -2187,6 +2300,7 @@ void III_imdct_s(mad_fixed_t const X[18], mad_fixed_t z[36])
+ yptr[11 - i] = yptr[i + 6];
+
+ ++s;
++#endif
+ }
+
+ yptr += 12;
+@@ -2198,6 +2312,196 @@ void III_imdct_s(mad_fixed_t const X[18], mad_fixed_t z[36])
+ yptr = &y[0];
+ wptr = &window_s[0];
+
++#ifdef FPM_AVR32
++ /* z[0] = 0;
++ z[1] = 0;
++ z[2] = 0;
++ z[3] = 0;
++ z[4] = 0;
++ z[5] = 0;
++ z[30] = 0;
++ z[31] = 0;
++ z[32] = 0;
++ z[33] = 0;
++ z[34] = 0;
++ z[35] = 0;
++ */
++ {
++ register long long int tmp, tmp2, tmp3, w0123, w4567, w891011;
++ asm volatile ("mov\t%m0, 0\n"
++ "mov\t%0, %m0\n"
++ "st.d\t%1[0], %0\n"
++ "st.d\t%1[2*4], %0\n"
++ "st.d\t%1[4*4], %0\n"
++ "st.d\t%1[30*4], %0\n"
++ "st.d\t%1[32*4], %0\n"
++ "st.d\t%1[34*4], %0\n"
++ : "=&r"(tmp) : "r"(z));
++
++
++
++ /*
++ z[6] = mad_f_mul(yptr [0], wptr[0]);
++ z[7] = mad_f_mul(yptr [1], wptr[1]);
++ z[8] = mad_f_mul(yptr [2], wptr[2]);
++ z[9] = mad_f_mul(yptr [3], wptr[3]);
++ z[10] = mad_f_mul(yptr[4], wptr[4]);
++ z[11] = mad_f_mul(yptr[5], wptr[5]);
++ z[24] = mad_f_mul(yptr [30], wptr[6]);
++ z[25] = mad_f_mul(yptr [31], wptr[7]);
++ z[26] = mad_f_mul(yptr [32], wptr[8]);
++ z[27] = mad_f_mul(yptr [33], wptr[9]);
++ z[28] = mad_f_mul(yptr[34], wptr[10]);
++ z[29] = mad_f_mul(yptr[35], wptr[11]);
++ */
++
++
++ asm volatile ("ld.d\t%0, %5[0*4]\n"
++ "ld.d\t%3, %6[0*4]\n"
++ "ld.d\t%1, %5[2*4]\n"
++ "ld.d\t%2, %5[4*4]\n"
++ "mulsatrndwh.w\t%m3, %m3, %m0:t\n"
++ "mulsatrndwh.w\t%3, %3, %m0:b\n"
++ "ld.d\t%4, %6[2*4]\n"
++ "st.d\t%7[6*4], %3\n"
++
++ "mulsatrndwh.w\t%m4, %m4, %0:t\n"
++ "mulsatrndwh.w\t%4, %4, %0:b\n"
++ "ld.d\t%3, %6[4*4]\n"
++ "st.d\t%7[8*4], %4\n"
++
++ "mulsatrndwh.w\t%m3, %m3, %m1:t\n"
++ "mulsatrndwh.w\t%3, %3, %m1:b\n"
++ "ld.d\t%4, %6[30*4]\n"
++ "st.d\t%7[10*4], %3\n"
++
++ "mulsatrndwh.w\t%m4, %m4, %1:t\n"
++ "mulsatrndwh.w\t%4, %4, %1:b\n"
++ "ld.d\t%3, %6[32*4]\n"
++ "st.d\t%7[24*4], %4\n"
++
++ "mulsatrndwh.w\t%m3, %m3, %m2:t\n"
++ "mulsatrndwh.w\t%3, %3, %m2:b\n"
++ "ld.d\t%4, %6[34*4]\n"
++ "st.d\t%7[26*4], %3\n"
++
++ "mulsatrndwh.w\t%m4, %m4, %2:t\n"
++ "mulsatrndwh.w\t%4, %4, %2:b\n"
++ "st.d\t%7[28*4], %4\n"
++
++ : "=&r"(w0123), "=&r"(w4567), "=&r"(w891011), "=&r"(tmp), "=&r"(tmp2)
++ : "r"(wptr), "r"(yptr), "r"(z));
++ /*
++ MAD_F_ML0(hi, lo, yptr[6], wptr[6]);
++ MAD_F_MLA(hi, lo, yptr[12], wptr[0]);
++ z[12] = MAD_F_MLZ(hi, lo);
++ MAD_F_ML0(hi, lo, yptr[7], wptr[7]);
++ MAD_F_MLA(hi, lo, yptr[13], wptr[1]);
++ z[13] = MAD_F_MLZ(hi, lo);
++ MAD_F_ML0(hi, lo, yptr[8], wptr[8]);
++ MAD_F_MLA(hi, lo, yptr[14], wptr[2]);
++ z[14] = MAD_F_MLZ(hi, lo);
++ MAD_F_ML0(hi, lo, yptr[9], wptr[9]);
++ MAD_F_MLA(hi, lo, yptr[15], wptr[3]);
++ z[15] = MAD_F_MLZ(hi, lo);
++ MAD_F_ML0(hi, lo, yptr[10], wptr[10]);
++ MAD_F_MLA(hi, lo, yptr[16], wptr[4]);
++ z[16] = MAD_F_MLZ(hi, lo);
++ MAD_F_ML0(hi, lo, yptr[11], wptr[11]);
++ MAD_F_MLA(hi, lo, yptr[17], wptr[5]);
++ z[17] = MAD_F_MLZ(hi, lo);
++
++ MAD_F_ML0(hi, lo, yptr[18], wptr[6]);
++ MAD_F_MLA(hi, lo, yptr[24], wptr[0]);
++ z[18] = MAD_F_MLZ(hi, lo);
++ MAD_F_ML0(hi, lo, yptr[19], wptr[7]);
++ MAD_F_MLA(hi, lo, yptr[25], wptr[1]);
++ z[19] = MAD_F_MLZ(hi, lo);
++ MAD_F_ML0(hi, lo, yptr[20], wptr[8]);
++ MAD_F_MLA(hi, lo, yptr[26], wptr[2]);
++ z[20] = MAD_F_MLZ(hi, lo);
++ MAD_F_ML0(hi, lo, yptr[21], wptr[9]);
++ MAD_F_MLA(hi, lo, yptr[27], wptr[3]);
++ z[21] = MAD_F_MLZ(hi, lo);
++ MAD_F_ML0(hi, lo, yptr[22], wptr[10]);
++ MAD_F_MLA(hi, lo, yptr[28], wptr[4]);
++ z[22] = MAD_F_MLZ(hi, lo);
++ MAD_F_ML0(hi, lo, yptr[23], wptr[11]);
++ MAD_F_MLA(hi, lo, yptr[29], wptr[5]);
++ z[23] = MAD_F_MLZ(hi, lo);*/
++
++
++ asm volatile ("ld.d\t%0, %3[6*4]\n"
++ "ld.d\t%1, %3[12*4]\n"
++ "mulwh.d\t%2, %m0, %5:t\n"
++ "macwh.d\t%2, %m1, %m4:t\n"
++ "mulwh.d\t%0, %0, %5:b\n"
++ "macwh.d\t%0, %1, %m4:b\n"
++ "lsl\t%m2, 1\n"
++ "lsl\t%2, %m0, 1\n"
++ "st.d\t%6[12*4], %2\n"
++
++ "ld.d\t%0, %3[18*4]\n"
++ "ld.d\t%1, %3[24*4]\n"
++ "mulwh.d\t%2, %m0, %5:t\n"
++ "macwh.d\t%2, %m1, %m4:t\n"
++ "mulwh.d\t%0, %0, %5:b\n"
++ "macwh.d\t%0, %1, %m4:b\n"
++ "lsl\t%m2, 1\n"
++ "lsl\t%2, %m0, 1\n"
++ "st.d\t%6[18*4], %2\n"
++
++ : "=&r"(tmp), "=&r"(tmp2), "=&r"(tmp3)
++ : "r"(yptr), "r"(w0123), "r"(w4567), "r"(z));
++
++ asm volatile ("ld.d\t%0, %3[8*4]\n"
++ "ld.d\t%1, %3[14*4]\n"
++ "mulwh.d\t%2, %m0, %m5:t\n"
++ "macwh.d\t%2, %m1, %4:t\n"
++ "mulwh.d\t%0, %0, %m5:b\n"
++ "macwh.d\t%0, %1, %4:b\n"
++ "lsl\t%m2, 1\n"
++ "lsl\t%2, %m0, 1\n"
++ "st.d\t%6[14*4], %2\n"
++
++ "ld.d\t%0, %3[20*4]\n"
++ "ld.d\t%1, %3[26*4]\n"
++ "mulwh.d\t%2, %m0, %m5:t\n"
++ "macwh.d\t%2, %m1, %4:t\n"
++ "mulwh.d\t%0, %0, %m5:b\n"
++ "macwh.d\t%0, %1, %4:b\n"
++ "lsl\t%m2, 1\n"
++ "lsl\t%2, %m0, 1\n"
++ "st.d\t%6[20*4], %2\n"
++
++ : "=&r"(tmp), "=&r"(tmp2), "=&r"(tmp3)
++ : "r"(yptr), "r"(w0123), "r"(w891011), "r"(z));
++
++ asm volatile ("ld.d\t%0, %3[10*4]\n"
++ "ld.d\t%1, %3[16*4]\n"
++ "mulwh.d\t%2, %m0, %5:t\n"
++ "macwh.d\t%2, %m1, %m4:t\n"
++ "mulwh.d\t%0, %0, %5:b\n"
++ "macwh.d\t%0, %1, %m4:b\n"
++ "lsl\t%m2, 1\n"
++ "lsl\t%2, %m0, 1\n"
++ "st.d\t%6[16*4], %2\n"
++
++ "ld.d\t%0, %3[22*4]\n"
++ "ld.d\t%1, %3[28*4]\n"
++ "mulwh.d\t%2, %m0, %5:t\n"
++ "macwh.d\t%2, %m1, %m4:t\n"
++ "mulwh.d\t%0, %0, %5:b\n"
++ "macwh.d\t%0, %1, %m4:b\n"
++ "lsl\t%m2, 1\n"
++ "lsl\t%2, %m0, 1\n"
++ "st.d\t%6[22*4], %2\n"
++
++ : "=&r"(tmp), "=&r"(tmp2), "=&r"(tmp3)
++ : "r"(yptr), "r"(w4567), "r"(w891011), "r"(z));
++
++ }
++#else
+ for (i = 0; i < 6; ++i) {
+ z[i + 0] = 0;
+ z[i + 6] = mad_f_mul(yptr[ 0 + 0], wptr[0]);
+@@ -2218,8 +2522,15 @@ void III_imdct_s(mad_fixed_t const X[18], mad_fixed_t z[36])
+ ++yptr;
+ ++wptr;
+ }
++#endif
+ }
+
++#ifdef FPM_AVR32
++# undef mad_f_mul
++# define mad_f_mul(x, y) ((((x) + (1L << 11)) >> 12) * \
++ (((y) + (1L << 15)) >> 16))
++#endif
++
+ /*
+ * NAME: III_overlap()
+ * DESCRIPTION: perform overlap-add of windowed IMDCT outputs
+diff --git a/synth.c b/synth.c
+index 1d28d43..f42d49b 100644
+--- a/synth.c
++++ b/synth.c
+@@ -29,20 +29,6 @@
+ # include "frame.h"
+ # include "synth.h"
+
+-/*
+- * NAME: synth->init()
+- * DESCRIPTION: initialize synth struct
+- */
+-void mad_synth_init(struct mad_synth *synth)
+-{
+- mad_synth_mute(synth);
+-
+- synth->phase = 0;
+-
+- synth->pcm.samplerate = 0;
+- synth->pcm.channels = 0;
+- synth->pcm.length = 0;
+-}
+
+ /*
+ * NAME: synth->mute()
+@@ -88,6 +74,10 @@ void mad_synth_mute(struct mad_synth *synth)
+
+ /* FPM_DEFAULT without OPT_SSO will actually lose accuracy and performance */
+
++# if defined(FPM_AVR32)
++# define OPT_SSO
++# endif
++
+ # if defined(FPM_DEFAULT) && !defined(OPT_SSO)
+ # define OPT_SSO
+ # endif
+@@ -522,9 +512,15 @@ void dct32(mad_fixed_t const in[32], unsigned int slot,
+ # endif
+ # define ML0(hi, lo, x, y) ((lo) = (x) * (y))
+ # define MLA(hi, lo, x, y) ((lo) += (x) * (y))
+-# define MLN(hi, lo) ((lo) = -(lo))
+-# define MLZ(hi, lo) ((void) (hi), (mad_fixed_t) (lo))
+-# define SHIFT(x) ((x) >> 2)
++# if defined(FPM_AVR32)
++# define MLN(hi, lo) MAD_F_MLN((hi), (lo))
++# define MLZ(hi, lo) (hi)
++# define SHIFT(x) ((x) << 2)
++# else
++# define MLN(hi, lo) ((lo) = -(lo))
++# define MLZ(hi, lo) ((void) (hi), (mad_fixed_t) (lo))
++# define SHIFT(x) ((x) >> 2)
++# endif
+ # define PRESHIFT(x) ((MAD_F(x) + (1L << 13)) >> 14)
+ # else
+ # define ML0(hi, lo, x, y) MAD_F_ML0((hi), (lo), (x), (y))
+@@ -541,11 +537,54 @@ void dct32(mad_fixed_t const in[32], unsigned int slot,
+ # endif
+ # endif
+
++/*
++ * NAME: synth->init()
++ * DESCRIPTION: initialize synth struct
++ */
++
++#ifdef FPM_AVR32
++short Dmod[17][33];
++#endif
++
+ static
++#ifdef FPM_AVR32
++short const D[17][32] = {
++#else
+ mad_fixed_t const D[17][32] = {
++#endif
+ # include "D.dat"
+ };
+
++void mad_synth_init(struct mad_synth *synth)
++{
++
++ mad_synth_mute(synth);
++
++ synth->phase = 0;
++
++ synth->pcm.samplerate = 0;
++ synth->pcm.channels = 0;
++ synth->pcm.length = 0;
++
++#ifdef FPM_AVR32
++ {
++ int i, j;
++ for ( i = 0; i < 17; i++ ){
++ for ( j = 0; j < 32; j++ ){
++ if ( j & 1 ){
++ Dmod[i][17 + (j >> 1)]= D[i][j];
++ } else {
++ Dmod[i][(j >> 1)]= D[i][j];
++ }
++ }
++
++ Dmod[i][16]= Dmod[i][16+8];
++ }
++ }
++#endif
++
++}
++
+ # if defined(ASO_SYNTH)
+ void synth_full(struct mad_synth *, struct mad_frame const *,
+ unsigned int, unsigned int);
+@@ -560,9 +599,13 @@ void synth_full(struct mad_synth *synth, struct mad_frame const *frame,
+ {
+ unsigned int phase, ch, s, sb, pe, po;
+ mad_fixed_t *pcm1, *pcm2, (*filter)[2][2][16][8];
+- mad_fixed_t const (*sbsample)[36][32];
++ mad_fixed_t /*const*/ (*sbsample)[36][32];
+ register mad_fixed_t (*fe)[8], (*fx)[8], (*fo)[8];
++#ifdef FPM_AVR32
++ register short const (*Dptr)[32], *ptr;
++#else
+ register mad_fixed_t const (*Dptr)[32], *ptr;
++#endif
+ register mad_fixed64hi_t hi;
+ register mad_fixed64lo_t lo;
+
+@@ -573,6 +616,20 @@ void synth_full(struct mad_synth *synth, struct mad_frame const *frame,
+ pcm1 = synth->pcm.samples[ch];
+
+ for (s = 0; s < ns; ++s) {
++# ifdef FPM_AVR32
++/*
++ int i;
++ for ( i = 0; i < 32; i++ ){
++ (*sbsample)[s][i] = ((*sbsample)[s][i] + (1 << 13)) & 0xFFFFC000;
++ }
++*/
++ dct32_avr32((*sbsample)[s], phase >> 1,
++ (*filter)[0][phase & 1], (*filter)[1][phase & 1]);
++ /* printf("dct32: %d\n", GET_CYCLES);*/
++ pcm1 = synth_avr32(phase, (mad_fixed_t *)filter, \
++ pcm1, (short *)&Dmod[0]);
++ /* printf("synth_window: %d\n", GET_CYCLES);*/
++# else
+ dct32((*sbsample)[s], phase >> 1,
+ (*filter)[0][phase & 1], (*filter)[1][phase & 1]);
+
+@@ -679,6 +736,7 @@ void synth_full(struct mad_synth *synth, struct mad_frame const *frame,
+ MLA(hi, lo, (*fo)[7], ptr[ 2]);
+
+ *pcm1 = SHIFT(-MLZ(hi, lo));
++# endif
+ pcm1 += 16;
+
+ phase = (phase + 1) % 16;
+diff --git a/synth_avr32.S b/synth_avr32.S
+new file mode 100644
+index 0000000..701077b
+--- /dev/null
++++ b/synth_avr32.S
+@@ -0,0 +1,394 @@
++/*
++ Optimized function for speeding up synthesis filter
++ in MPEG Audio Decoding.
++ Copyright 2003-2006 Atmel Corporation.
++
++ Written by Ronny Pedersen and Lars Even Almås, Atmel Norway
++
++ This program is free software; you can redistribute it and/or modify
++ it under the terms of the GNU General Public License as published by
++ the Free Software Foundation; either version 2 of the License, or
++ (at your option) any later version.
++
++ This program 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 General Public License for more details.
++
++ You should have received a copy of the GNU General Public License
++ along with this program; if not, write to the Free Software
++ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
++
++
++/* *****************
++ Defining macros
++ ***************** */
++
++ .macro window_1 f, ptr, acc, ptr_offset, mul, tmp1_lo, tmp1_hi, tmp2_lo, tmp2_hi, tmp3_lo, tmp3_hi
++ ld.d \tmp1_lo, \f[0*4] /* tmp1 = { f[0], f[1] } */
++ ld.w \tmp2_lo, \ptr[0*2+\ptr_offset*2] /* tmp2_lo = { ptr[0], ptr[1] }*/
++ ld.d \tmp3_lo, \f[6*4] /* tmp3 = { f[6], f[7] } */
++ ld.w \tmp2_hi, \ptr[6*2+\ptr_offset*2] /* tmp2_hi = { ptr[6], ptr[7] }*/
++ .if \mul
++ mulwh.d \acc, \tmp1_hi, \tmp2_lo:t /* f[0] * ptr[0]*/
++ .else
++ macwh.d \acc, \tmp1_hi, \tmp2_lo:t /* f[0] * ptr[0]*/
++ .endif
++ macwh.d \acc, \tmp3_lo, \tmp2_lo:b /* f[7] * ptr[1]*/
++ ld.w \tmp2_lo, \ptr[2*2+\ptr_offset*2] /* tmp2_lo = { ptr[2], ptr[3] }*/
++ macwh.d \acc, \tmp1_lo, \tmp2_hi:b /* f[1] * ptr[7]*/
++ ld.d \tmp1_lo, \f[2*4] /* tmp1 = { f[2], f[3] } */
++
++ macwh.d \acc, \tmp3_hi, \tmp2_lo:t /* f[6] * ptr[2]*/
++ macwh.d \acc, \tmp1_hi, \tmp2_hi:t /* f[2] * ptr[6]*/
++ ld.d \tmp3_lo, \f[4*4] /* tmp3 = { f[4], f[5] } */
++ ld.w \tmp2_hi, \ptr[4*2+\ptr_offset*2] /* tmp2_hi = { ptr[4], ptr[5] }*/
++ macwh.d \acc, \tmp3_lo, \tmp2_lo:b /* f[5] * ptr[3]*/
++
++ macwh.d \acc, \tmp1_lo, \tmp2_hi:b /* f[3] * ptr[5]*/
++ macwh.d \acc, \tmp3_hi, \tmp2_hi:t /* f[4] * ptr[4]*/
++ .endm
++
++ .macro window_2 f, ptr, acc, ptr_offset, mul, tmp1_lo, tmp1_hi, tmp2_lo, tmp2_hi, tmp3_lo, tmp3_hi
++ ld.d \tmp1_lo, \f[0*4] /* tmp1 = { f[0], f[1] } */
++ ld.w \tmp2_lo, \ptr[7*2+\ptr_offset*2] /* tmp2_lo = { ptr[7], ptr[8] }*/
++ ld.d \tmp3_lo, \f[2*4] /* tmp3 = { f[2], f[3] } */
++ ld.w \tmp2_hi, \ptr[9*2+\ptr_offset*2] /* tmp2_hi = { ptr[9], ptr[10] }*/
++ .if \mul
++ mulwh.d \acc, \tmp1_hi, \tmp2_lo:t /* f[0] * ptr[7]*/
++ .else
++ macwh.d \acc, \tmp1_hi, \tmp2_lo:t /* f[0] * ptr[7]*/
++ .endif
++ macwh.d \acc, \tmp1_lo, \tmp2_lo:b /* f[1] * ptr[8]*/
++
++ ld.d \tmp1_lo, \f[4*4] /* tmp1 = { f[4], f[5] } */
++ ld.w \tmp2_lo, \ptr[11*2+\ptr_offset*2] /* tmp2_lo = { ptr[11], ptr[12] }*/
++
++ macwh.d \acc, \tmp3_hi, \tmp2_hi:t /* f[2] * ptr[9]*/
++ macwh.d \acc, \tmp3_lo, \tmp2_hi:b /* f[3] * ptr[10]*/
++
++ ld.d \tmp3_lo, \f[6*4] /* tmp3 = { f[6], f[7] } */
++ ld.w \tmp2_hi, \ptr[13*2+\ptr_offset*2] /* tmp2_hi = { ptr[13], ptr[14] }*/
++
++ macwh.d \acc, \tmp1_hi, \tmp2_lo:t /* f[4] * ptr[11]*/
++ macwh.d \acc, \tmp1_lo, \tmp2_lo:b /* f[5] * ptr[12]*/
++ macwh.d \acc, \tmp3_hi, \tmp2_hi:t /* f[6] * ptr[13]*/
++ macwh.d \acc, \tmp3_lo, \tmp2_hi:b /* f[7] * ptr[14]*/
++ .endm
++
++ .macro scale res, d_lo, d_hi
++ lsl \d_hi, 2
++ .endm
++
++/* **********************
++ Starting main function
++ ********************** */
++
++/* Function synth_avr32 is called from synth.c with arguments:
++ phase, filter, *pcm1, &D[0] */
++
++ .global synth_avr32
++synth_avr32:
++ pushm r0-r7, lr
++ sub sp, 8
++
++ /* R12 = phase, R11 = filter, R10 = pcm1, r9 = D*/
++ bld r12, 0
++ brcc synth_even
++
++ /* Filter for odd phases */
++
++ /* fe = &(*filter)[0][1][0];
++ fx = &(*filter)[0][0][0];
++ fo = &(*filter)[1][0][0]; */
++ sub lr /*fe*/, r11, -16*8*4
++ sub r8 /*fo*/, r11, -16*8*4*2
++
++ /* pe = phase >> 1; */
++ lsr r12, 1
++ stdsp sp[4], r12
++ /* ptr = (short const *)Dmod + pe; */
++ add r12, r9, r12 << 1
++
++ /* ML0(hi, lo, (*fx)[0], ptr[0 + 17]);
++ MLA(hi, lo, (*fx)[1], ptr[7 + 17]);
++ MLA(hi, lo, (*fx)[2], ptr[6 + 17]);
++ MLA(hi, lo, (*fx)[3], ptr[5 + 17]);
++ MLA(hi, lo, (*fx)[4], ptr[4 + 17]);
++ MLA(hi, lo, (*fx)[5], ptr[3 + 17]);
++ MLA(hi, lo, (*fx)[6], ptr[2 + 17]);
++ MLA(hi, lo, (*fx)[7], ptr[1 + 17]); */
++ window_1 r11/*fx*/,r12/*ptr*/,r0/*acc*/,17/*off*/,1/*mul*/,r2,r3,r4,r5,r6,r7
++
++ /* MLN(hi, lo); */
++ neg r0
++ acr r1
++ neg r1
++
++ /* MLA(hi, lo, (*fe)[0], ptr[0]);
++ MLA(hi, lo, (*fe)[1], ptr[7]);
++ MLA(hi, lo, (*fe)[2], ptr[6]);
++ MLA(hi, lo, (*fe)[3], ptr[5]);
++ MLA(hi, lo, (*fe)[4], ptr[4]);
++ MLA(hi, lo, (*fe)[5], ptr[3]);
++ MLA(hi, lo, (*fe)[6], ptr[2]);
++ MLA(hi, lo, (*fe)[7], ptr[1]); */
++ window_1 lr/*fe*/,r12/*ptr*/,r0/*acc*/,0/*off*/,0/*mac*/,r2,r3,r4,r5,r6,r7
++
++ /* *pcm1++ = SHIFT(MLZ(hi, lo));
++
++ pcm2 = pcm1 + 31; */
++ scale r1, r0, r1
++ st.w r10/*pcm_1*/++, r1
++ sub r11/*pcm2*/, r10, -4*31
++
++ /* for (sb = 1; sb < 16; ++sb) { */
++ mov r2, 15
++ stdsp sp[0], r2
++odd_loop:
++ /* ++fe;
++ ptr += 33; */
++ sub lr /*fe*/, -8*4
++ sub r12, -33*2
++
++ /* ML0(hi, lo, (*fo)[0], ptr[0 + 17]);
++ MLA(hi, lo, (*fo)[1], ptr[7 + 17]);
++ MLA(hi, lo, (*fo)[2], ptr[6 + 17]);
++ MLA(hi, lo, (*fo)[3], ptr[5 + 17]);
++ MLA(hi, lo, (*fo)[4], ptr[4 + 17]);
++ MLA(hi, lo, (*fo)[5], ptr[3 + 17]);
++ MLA(hi, lo, (*fo)[6], ptr[2 + 17]);
++ MLA(hi, lo, (*fo)[7], ptr[1 + 17]); */
++ window_1 r8/*fo*/,r12/*ptr*/,r0/*acc*/,17/*off*/,1/*mul*/,r2,r3,r4,r5,r6,r7
++ /* MLN(hi, lo); */
++
++ neg r0
++ acr r1
++ neg r1
++
++ /* MLA(hi, lo, (*fe)[7], ptr[1]);
++ MLA(hi, lo, (*fe)[6], ptr[2]);
++ MLA(hi, lo, (*fe)[5], ptr[3]);
++ MLA(hi, lo, (*fe)[4], ptr[4]);
++ MLA(hi, lo, (*fe)[3], ptr[5]);
++ MLA(hi, lo, (*fe)[2], ptr[6]);
++ MLA(hi, lo, (*fe)[1], ptr[7]);
++ MLA(hi, lo, (*fe)[0], ptr[0]); */
++ window_1 lr/*fe*/,r12/*ptr*/,r0/*acc*/,0/*off*/,0/*mac*/,r2,r3,r4,r5,r6,r7
++
++ /* ptr -= 2*pe; */
++ lddsp r2, sp[4]
++
++ /* *pcm1++ = SHIFT(MLZ(hi, lo)); */
++
++ scale r1, r0, r1
++ sub r12/*ptr*/, r12, r2/*pe*/<< 2
++ st.w r10/*pcm_1*/++, r1
++
++
++ /* ML0(hi, lo, (*fe)[0], ptr[7 + 17]);
++ MLA(hi, lo, (*fe)[1], ptr[8 + 17]);
++ MLA(hi, lo, (*fe)[2], ptr[9 + 17]);
++ MLA(hi, lo, (*fe)[3], ptr[10 + 17]);
++ MLA(hi, lo, (*fe)[4], ptr[11 + 17]);
++ MLA(hi, lo, (*fe)[5], ptr[12 + 17]);
++ MLA(hi, lo, (*fe)[6], ptr[13 + 17]);
++ MLA(hi, lo, (*fe)[7], ptr[14 + 17]); */
++ window_2 lr/*fe*/,r12/*ptr*/,r0/*acc*/,17/*off*/,1/*mul*/,r2,r3,r4,r5,r6,r7
++ /* MLA(hi, lo, (*fo)[7], ptr[14]);
++ MLA(hi, lo, (*fo)[6], ptr[13]);
++ MLA(hi, lo, (*fo)[5], ptr[12]);
++ MLA(hi, lo, (*fo)[4], ptr[11]);
++ MLA(hi, lo, (*fo)[3], ptr[10]);
++ MLA(hi, lo, (*fo)[2], ptr[9]);
++ MLA(hi, lo, (*fo)[1], ptr[8]);
++ MLA(hi, lo, (*fo)[0], ptr[7]); */
++ window_2 r8/*fo*/,r12/*ptr*/,r0/*acc*/,0/*off*/,0/*mac*/,r2,r3,r4,r5,r6,r7
++
++
++ /* *pcm2-- = SHIFT(MLZ(hi, lo)); */
++ lddsp r3, sp[4]
++ lddsp r2, sp[0]
++ scale r1, r0, r1
++ st.w --r11/*pcm_2*/, r1
++
++ /* ptr += 2*pe; */
++ add r12/*ptr*/, r12, r3/*pe*/<< 2
++
++ /* ++fo;
++ } */
++ sub r8/*fo*/, -8*4
++
++ sub r2, 1
++ stdsp sp[0], r2
++ brne odd_loop
++
++ /* ptr += 33; */
++ sub r12/*ptr*/, -33*2
++
++ /* ML0(hi, lo, (*fo)[0], ptr[0 + 17]);
++ MLA(hi, lo, (*fo)[1], ptr[7 + 17]);
++ MLA(hi, lo, (*fo)[2], ptr[6 + 17]);
++ MLA(hi, lo, (*fo)[3], ptr[5 + 17]);
++ MLA(hi, lo, (*fo)[4], ptr[4 + 17]);
++ MLA(hi, lo, (*fo)[5], ptr[3 + 17]);
++ MLA(hi, lo, (*fo)[6], ptr[2 + 17]);
++ MLA(hi, lo, (*fo)[7], ptr[1 + 17]); */
++ window_1 r8/*fo*/,r12/*ptr*/,r0/*acc*/,17/*off*/,1/*mul*/,r2,r3,r4,r5,r6,r7
++
++ rjmp synth_end
++synth_even:
++ /* Filter for even phases */
++
++ /* fe = &(*filter)[0][0][0];
++ fx = &(*filter)[0][1][0];
++ fo = &(*filter)[1][1][0]; */
++ sub lr /*fx*/, r11, -16*8*4
++ sub r8 /*fo*/, r11, -(16*8*4*2 + 16*8*4)
++
++ /* po = ((phase - 1) & 0xF) >> 1; */
++ sub r12, 1
++ andl r12, 0xe, COH
++ stdsp sp[4], r12
++ /* ptr = (short const *)Dmod + po; */
++ add r12, r9, r12
++
++ /* ML0(hi, lo, (*fx)[0], ptr[0 + 17]);
++ MLA(hi, lo, (*fx)[1], ptr[7 + 17]);
++ MLA(hi, lo, (*fx)[2], ptr[6 + 17]);
++ MLA(hi, lo, (*fx)[3], ptr[5 + 17]);
++ MLA(hi, lo, (*fx)[4], ptr[4 + 17]);
++ MLA(hi, lo, (*fx)[5], ptr[3 + 17]);
++ MLA(hi, lo, (*fx)[6], ptr[2 + 17]);
++ MLA(hi, lo, (*fx)[7], ptr[1 + 17]); */
++ window_1 lr/*fx*/,r12/*ptr*/,r0/*acc*/,17/*off*/,1/*mul*/,r2,r3,r4,r5,r6,r7
++
++ /* MLN(hi, lo); */
++ neg r0
++ acr r1
++ neg r1
++
++ /* MLA(hi, lo, (*fe)[0], ptr[0 + 1]);
++ MLA(hi, lo, (*fe)[1], ptr[7 + 1]);
++ MLA(hi, lo, (*fe)[2], ptr[6 + 1]);
++ MLA(hi, lo, (*fe)[3], ptr[5 + 1]);
++ MLA(hi, lo, (*fe)[4], ptr[4 + 1]);
++ MLA(hi, lo, (*fe)[5], ptr[3 + 1]);
++ MLA(hi, lo, (*fe)[6], ptr[2 + 1]);
++ MLA(hi, lo, (*fe)[7], ptr[1 + 1]); */
++ window_1 r11/*fe*/,r12/*ptr*/,r0/*acc*/,1/*off*/,0/*mac*/,r2,r3,r4,r5,r6,r7
++
++ /* *pcm1++ = SHIFT(MLZ(hi, lo));
++
++ pcm2 = pcm1 + 31; */
++ scale r1, r0, r1
++ st.w r10/*pcm_1*/++, r1
++ sub lr/*pcm2*/, r10, -4*31
++
++ /* for (sb = 1; sb < 16; ++sb) { */
++ mov r2, 15
++ stdsp sp[0], r2
++even_loop:
++ /* ++fe;
++ ptr += 33; */
++ sub r11 /*fe*/, -8*4
++ sub r12, -33*2
++
++ /* ML0(hi, lo, (*fo)[0], ptr[0 + 17]);
++ MLA(hi, lo, (*fo)[1], ptr[7 + 17]);
++ MLA(hi, lo, (*fo)[2], ptr[6 + 17]);
++ MLA(hi, lo, (*fo)[3], ptr[5 + 17]);
++ MLA(hi, lo, (*fo)[4], ptr[4 + 17]);
++ MLA(hi, lo, (*fo)[5], ptr[3 + 17]);
++ MLA(hi, lo, (*fo)[6], ptr[2 + 17]);
++ MLA(hi, lo, (*fo)[7], ptr[1 + 17]); */
++ window_1 r8/*fo*/,r12/*ptr*/,r0/*acc*/,17/*off*/,1/*mul*/,r2,r3,r4,r5,r6,r7
++ /* MLN(hi, lo); */
++ neg r0
++ acr r1
++ neg r1
++
++ /* MLA(hi, lo, (*fe)[7], ptr[1 + 1]);
++ MLA(hi, lo, (*fe)[6], ptr[2 + 1]);
++ MLA(hi, lo, (*fe)[5], ptr[3 + 1]);
++ MLA(hi, lo, (*fe)[4], ptr[4 + 1]);
++ MLA(hi, lo, (*fe)[3], ptr[5 + 1]);
++ MLA(hi, lo, (*fe)[2], ptr[6 + 1]);
++ MLA(hi, lo, (*fe)[1], ptr[7 + 1]);
++ MLA(hi, lo, (*fe)[0], ptr[0 + 1]); */
++ window_1 r11/*fe*/,r12/*ptr*/,r0/*acc*/,1/*off*/,0/*mac*/,r2,r3,r4,r5,r6,r7
++
++ /* *pcm1++ = SHIFT(MLZ(hi, lo)); */
++ lddsp r2, sp[4]
++ scale r1, r0, r1
++ /* ptr -= 2*po; */
++ sub r12/*ptr*/, r12, r2/*po*/<< 1
++ st.w r10/*pcm_1*/++, r1
++
++
++ /* ML0(hi, lo, (*fe)[0], ptr[7 + 17 - 1]);
++ MLA(hi, lo, (*fe)[1], ptr[8 + 17 - 1]);
++ MLA(hi, lo, (*fe)[2], ptr[9 + 17 - 1]);
++ MLA(hi, lo, (*fe)[3], ptr[10 + 17 - 1]);
++ MLA(hi, lo, (*fe)[4], ptr[11 + 17 - 1]);
++ MLA(hi, lo, (*fe)[5], ptr[12 + 17 - 1]);
++ MLA(hi, lo, (*fe)[6], ptr[13 + 17 - 1]);
++ MLA(hi, lo, (*fe)[7], ptr[14 + 17 - 1]); */
++ window_2 r11/*fe*/,r12/*ptr*/,r0/*acc*/,16/*off*/,1/*mul*/,r2,r3,r4,r5,r6,r7
++ /* MLA(hi, lo, (*fo)[7], ptr[14]);
++ MLA(hi, lo, (*fo)[6], ptr[13]);
++ MLA(hi, lo, (*fo)[5], ptr[12]);
++ MLA(hi, lo, (*fo)[4], ptr[11]);
++ MLA(hi, lo, (*fo)[3], ptr[10]);
++ MLA(hi, lo, (*fo)[2], ptr[9]);
++ MLA(hi, lo, (*fo)[1], ptr[8]);
++ MLA(hi, lo, (*fo)[0], ptr[7]); */
++ window_2 r8/*fo*/,r12/*ptr*/,r0/*acc*/,0/*off*/,0/*mac*/,r2,r3,r4,r5,r6,r7
++
++
++ /* *pcm2-- = SHIFT(MLZ(hi, lo)); */
++ lddsp r3, sp[4]
++ lddsp r2, sp[0]
++ scale r1, r0, r1
++ st.w --lr/*pcm_2*/, r1
++
++ /* ptr += 2*po; */
++ add r12/*ptr*/, r12, r3/*po*/<< 1
++
++ /* ++fo;
++ } */
++ sub r8/*fo*/, -8*4
++
++ sub r2, 1
++ stdsp sp[0], r2
++ brne even_loop
++
++ /* ptr += 33; */
++ sub r12/*ptr*/, -33*2
++
++ /* ML0(hi, lo, (*fo)[0], ptr[0 + 17]);
++ MLA(hi, lo, (*fo)[1], ptr[7 + 17]);
++ MLA(hi, lo, (*fo)[2], ptr[6 + 17]);
++ MLA(hi, lo, (*fo)[3], ptr[5 + 17]);
++ MLA(hi, lo, (*fo)[4], ptr[4 + 17]);
++ MLA(hi, lo, (*fo)[5], ptr[3 + 17]);
++ MLA(hi, lo, (*fo)[6], ptr[2 + 17]);
++ MLA(hi, lo, (*fo)[7], ptr[1 + 17]); */
++ window_1 r8/*fo*/,r12/*ptr*/,r0/*acc*/,17/*off*/,1/*mul*/,r2,r3,r4,r5,r6,r7
++
++
++
++synth_end:
++ /* *pcm1 = SHIFT(-MLZ(hi, lo)); */
++ scale r1, r0, r1
++ neg r1
++ st.w r10/*pcm_1*/, r1
++
++ mov r12, r10
++ sub sp, -8
++ popm r0-r7, pc
++
++
++
++
++
diff --git a/package/multimedia/libmad/libmad.mk b/package/multimedia/libmad/libmad.mk
new file mode 100644
index 000000000..c641f9fa7
--- /dev/null
+++ b/package/multimedia/libmad/libmad.mk
@@ -0,0 +1,86 @@
+#############################################################
+#
+# libmad
+#
+#############################################################
+
+LIBMAD_VERSION=0.15.1b
+LIBMAD_SOURCE=libmad-$(LIBMAD_VERSION).tar.gz
+LIBMAD_SITE=http://$(BR2_SOURCEFORGE_MIRROR).dl.sourceforge.net/sourceforge/mad/
+LIBMAD_DIR=$(BUILD_DIR)/libmad-$(LIBMAD_VERSION)
+LIBMAD_CAT:=$(ZCAT)
+
+$(DL_DIR)/$(LIBMAD_SOURCE):
+ $(WGET) -P $(DL_DIR) $(LIBMAD_SITE)/$(LIBMAD_SOURCE)
+
+$(LIBMAD_DIR)/.unpacked: $(DL_DIR)/$(LIBMAD_SOURCE)
+ $(LIBMAD_CAT) $(DL_DIR)/$(LIBMAD_SOURCE) | tar -C $(BUILD_DIR) $(TAR_OPTIONS) -
+ $(CONFIG_UPDATE) $(LIBMAD_DIR)
+ toolchain/patch-kernel.sh $(LIBMAD_DIR) package/multimedia/libmad/ libmad-$(LIBMAD_VERSION)\*.patch
+ toolchain/patch-kernel.sh $(LIBMAD_DIR) package/multimedia/libmad/ libmad-$(LIBMAD_VERSION)\*.patch.$(ARCH)
+ # Prevent automake from running.
+ (cd $(LIBMAD_DIR); touch -c config* aclocal.m4 Makefile*);
+ touch $@
+
+$(LIBMAD_DIR)/.configured: $(LIBMAD_DIR)/.unpacked
+ (cd $(LIBMAD_DIR); rm -rf config.cache; \
+ $(TARGET_CONFIGURE_OPTS) \
+ $(TARGET_CONFIGURE_ARGS) \
+ ./configure \
+ --target=$(GNU_TARGET_NAME) \
+ --host=$(GNU_TARGET_NAME) \
+ --build=$(GNU_HOST_NAME) \
+ --prefix=/usr \
+ --sysconfdir=/etc \
+ --disable-debugging \
+ --enable-speed \
+ $(DISABLE_NLS) \
+ )
+ touch $@
+
+$(LIBMAD_DIR)/libmad.la: $(LIBMAD_DIR)/.configured
+ rm -f $@
+ $(MAKE) $(TARGET_CONFIGURE_OPTS) -C $(LIBMAD_DIR)
+
+$(STAGING_DIR)/usr/lib/libmad.so.0: $(LIBMAD_DIR)/libmad.la
+ $(MAKE) DESTDIR=$(STAGING_DIR) -C $(LIBMAD_DIR) install
+ $(SED) "s,^libdir=.*,libdir=\'$(STAGING_DIR)/usr/lib\',g" $(STAGING_DIR)/usr/lib/libmad.la
+
+$(TARGET_DIR)/usr/lib/libmad.so.0: $(STAGING_DIR)/usr/lib/libmad.so.0
+ cp -dpf $(STAGING_DIR)/usr/lib/libmad.so.* $(TARGET_DIR)/usr/lib/
+ $(STRIPCMD) $(STRIP_STRIP_UNNEEDED) $(TARGET_DIR)/usr/lib/libmad.so.*
+
+$(TARGET_DIR)/usr/lib/libmad.a: $(STAGING_DIR)/usr/lib/libmad.so.0
+ mkdir -p $(TARGET_DIR)/usr/include
+ cp -dpf $(STAGING_DIR)/usr/include/mad.h $(TARGET_DIR)/usr/include/
+ cp -dpf $(STAGING_DIR)/usr/lib/libmad.la $(TARGET_DIR)/usr/lib/
+ cp -dpf $(STAGING_DIR)/usr/lib/libmad.so $(TARGET_DIR)/usr/lib/
+ cp -dpf $(STAGING_DIR)/usr/lib/libmad.a $(TARGET_DIR)/usr/lib/
+
+libmad: uclibc $(TARGET_DIR)/usr/lib/libmad.so.0
+
+libmad-headers: $(TARGET_DIR)/usr/lib/libmad.a
+
+libmad-source: $(DL_DIR)/$(LIBMAD_SOURCE)
+
+libmad-clean:
+ -$(MAKE) -C $(LIBMAD_DIR) clean
+ -rm -f $(STAGING_DIR)/usr/lib/libmad.*
+ rm -f $(STAGING_DIR)/usr/include/mad.h
+ -rm -f $(TARGET_DIR)/usr/lib/libmad.*
+ rm -f $(TARGET_DIR)/usr/include/mad.h
+
+
+libmad-dirclean:
+ rm -rf $(LIBMAD_DIR)
+#############################################################
+#
+# Toplevel Makefile options
+#
+#############################################################
+ifeq ($(strip $(BR2_PACKAGE_LIBMAD)),y)
+TARGETS+=libmad
+endif
+ifeq ($(strip $(BR2_PACKAGE_LIBMAD_TARGET_HEADERS)),y)
+TARGETS+=libmad-headers
+endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-02 07:10:55 +0000