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| author | Ulf Samuelsson <ulf.samuelsson@atmel.com> | 2007-08-28 19:35:54 +0000 |
|---|---|---|
| committer | Ulf Samuelsson <ulf.samuelsson@atmel.com> | 2007-08-28 19:35:54 +0000 |
| commit | 4edefb36c3b2d62f1218e54254acee78b6904882 (patch) | |
| tree | 5857677edcea7b5c08aad625cdb1d3735269edf4 /package/libmad/libmad-0.15.1b-avr32-optimization.patch | |
| parent | 0b344527ff864244286010b90b923c43523dad9e (diff) | |
| download | buildroot-novena-4edefb36c3b2d62f1218e54254acee78b6904882.tar.gz buildroot-novena-4edefb36c3b2d62f1218e54254acee78b6904882.zip | |
Remove renamed libmad patch
Diffstat (limited to 'package/libmad/libmad-0.15.1b-avr32-optimization.patch')
| -rw-r--r-- | package/libmad/libmad-0.15.1b-avr32-optimization.patch | 2922 |
1 files changed, 0 insertions, 2922 deletions
diff --git a/package/libmad/libmad-0.15.1b-avr32-optimization.patch b/package/libmad/libmad-0.15.1b-avr32-optimization.patch deleted file mode 100644 index f6620f591..000000000 --- a/package/libmad/libmad-0.15.1b-avr32-optimization.patch +++ /dev/null @@ -1,2922 +0,0 @@ -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 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="$ASO -DASO_ZEROCHECK" -diff --git a/configure.ac b/configure.ac -index 9b79399..063cb9b 100644 ---- a/configure.ac -+++ b/configure.ac -@@ -274,13 +274,14 @@ fi - AC_MSG_CHECKING(for architecture-specific fixed-point math routines) - AC_ARG_ENABLE(fpm, AC_HELP_STRING([--enable-fpm=ARCH], - [use ARCH-specific fixed-point math routines -- (one of: intel, arm, mips, sparc, ppc, 64bit, default)]), -+ (one of: intel, arm, avr32, mips, sparc, ppc, 64bit, default)]), - [ - case "$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/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 -+ -+ -+ -+ -+ |