Optimization of MP3 decoders for MIPS
authorNedeljko Babic <nbabic@mips.com>
Mon, 2 Jul 2012 12:20:24 +0000 (14:20 +0200)
committerMichael Niedermayer <michaelni@gmx.at>
Thu, 5 Jul 2012 10:24:03 +0000 (12:24 +0200)
MP3 fixed and floating point decoders are optimized
 for MIPS architecture.

Signed-off-by: Nedeljko Babic <nbabic@mips.com>
Reviewed-by: Vitor Sessak <vitor1001@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
libavcodec/mips/Makefile
libavcodec/mips/compute_antialias_fixed.h [new file with mode: 0644]
libavcodec/mips/compute_antialias_float.h [new file with mode: 0644]
libavcodec/mips/mpegaudiodsp_mips_fixed.c [new file with mode: 0644]
libavcodec/mips/mpegaudiodsp_mips_float.c [new file with mode: 0644]
libavcodec/mpegaudiodec.c
libavcodec/mpegaudiodsp.c
libavcodec/mpegaudiodsp.h

index 24a95b5..67960b1 100644 (file)
@@ -11,3 +11,5 @@ MIPSFPU-OBJS-$(CONFIG_AMRWB_DECODER)      += mips/acelp_filters_mips.o     \
                                              mips/amrwbdec_mips.o          \
                                              mips/celp_math_mips.o         \
                                              mips/acelp_vectors_mips.o
+MIPSFPU-OBJS-$(CONFIG_MPEGAUDIODSP)       += mips/mpegaudiodsp_mips_float.o
+MIPSDSPR1-OBJS-$(CONFIG_MPEGAUDIODSP)     += mips/mpegaudiodsp_mips_fixed.o
diff --git a/libavcodec/mips/compute_antialias_fixed.h b/libavcodec/mips/compute_antialias_fixed.h
new file mode 100644 (file)
index 0000000..0c0059c
--- /dev/null
@@ -0,0 +1,246 @@
+/*
+ * Copyright (c) 2012
+ *      MIPS Technologies, Inc., California.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the MIPS Technologies, Inc., nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE MIPS TECHNOLOGIES, INC. ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE MIPS TECHNOLOGIES, INC. BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * Author:  Bojan Zivkovic (bojan@mips.com)
+ *
+ * Compute antialias function optimised for MIPS fixed-point architecture
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file
+ * Reference: libavcodec/mpegaudiodec.c
+ */
+
+#ifndef AVCODEC_MIPS_COMPUTE_ANTIALIAS_FIXED_H
+#define AVCODEC_MIPS_COMPUTE_ANTIALIAS_FIXED_H
+
+static void compute_antialias_mips_fixed(MPADecodeContext *s,
+                                        GranuleDef *g)
+{
+    int32_t *ptr, *csa;
+    int n, i;
+    int MAX_lo = 0xffffffff;
+
+    /* we antialias only "long" bands */
+    if (g->block_type == 2) {
+        if (!g->switch_point)
+            return;
+        /* XXX: check this for 8000Hz case */
+        n = 1;
+    } else {
+        n = SBLIMIT - 1;
+    }
+
+
+    ptr = g->sb_hybrid + 18;
+
+    for(i = n;i > 0;i--) {
+        int tmp0, tmp1, tmp2, tmp00, tmp11;
+        int temp_reg1, temp_reg2, temp_reg3, temp_reg4, temp_reg5, temp_reg6;
+        csa = &csa_table[0][0];
+
+        /**
+         * instructions are scheduled to minimize pipeline stall.
+         */
+        __asm__ __volatile__ (
+            "lw   %[tmp0],      -1*4(%[ptr])                            \n\t"
+            "lw   %[tmp1],      0*4(%[ptr])                             \n\t"
+            "lw   %[temp_reg1], 0*4(%[csa])                             \n\t"
+            "lw   %[temp_reg2], 2*4(%[csa])                             \n\t"
+            "add  %[tmp2],      %[tmp0],      %[tmp1]                   \n\t"
+            "lw   %[temp_reg3], 3*4(%[csa])                             \n\t"
+            "mult $ac0,         %[tmp2],      %[temp_reg1]              \n\t"
+            "mult $ac1,         %[tmp2],      %[temp_reg1]              \n\t"
+            "lw   %[tmp00],     -2*4(%[ptr])                            \n\t"
+            "lw   %[tmp11],     1*4(%[ptr])                             \n\t"
+            "lw   %[temp_reg4], 4*4(%[csa])                             \n\t"
+            "mtlo %[MAX_lo],    $ac0                                    \n\t"
+            "mtlo $zero,        $ac1                                    \n\t"
+            "msub $ac0,         %[tmp1],      %[temp_reg2]              \n\t"
+            "madd $ac1,         %[tmp0],      %[temp_reg3]              \n\t"
+            "add  %[tmp2],      %[tmp00],     %[tmp11]                  \n\t"
+            "lw   %[temp_reg5], 6*4(%[csa])                             \n\t"
+            "mult $ac2,         %[tmp2],      %[temp_reg4]              \n\t"
+            "mult $ac3,         %[tmp2],      %[temp_reg4]              \n\t"
+            "mfhi %[temp_reg1], $ac0                                    \n\t"
+            "mfhi %[temp_reg2], $ac1                                    \n\t"
+            "lw   %[temp_reg6], 7*4(%[csa])                             \n\t"
+            "mtlo %[MAX_lo],    $ac2                                    \n\t"
+            "msub $ac2,         %[tmp11],     %[temp_reg5]              \n\t"
+            "mtlo $zero,        $ac3                                    \n\t"
+            "madd $ac3,         %[tmp00],     %[temp_reg6]              \n\t"
+            "sll  %[temp_reg1], %[temp_reg1], 2                         \n\t"
+            "sw   %[temp_reg1], -1*4(%[ptr])                            \n\t"
+            "mfhi %[temp_reg4], $ac2                                    \n\t"
+            "sll  %[temp_reg2], %[temp_reg2], 2                         \n\t"
+            "mfhi %[temp_reg5], $ac3                                    \n\t"
+            "sw   %[temp_reg2], 0*4(%[ptr])                             \n\t"
+            "lw   %[tmp0],      -3*4(%[ptr])                            \n\t"
+            "lw   %[tmp1],      2*4(%[ptr])                             \n\t"
+            "lw   %[temp_reg1], 8*4(%[csa])                             \n\t"
+            "sll  %[temp_reg4], %[temp_reg4], 2                         \n\t"
+            "add  %[tmp2],      %[tmp0],      %[tmp1]                   \n\t"
+            "sll  %[temp_reg5], %[temp_reg5], 2                         \n\t"
+            "mult $ac0,         %[tmp2],      %[temp_reg1]              \n\t"
+            "mult $ac1,         %[tmp2],      %[temp_reg1]              \n\t"
+            "sw   %[temp_reg4], -2*4(%[ptr])                            \n\t"
+            "sw   %[temp_reg5], 1*4(%[ptr])                             \n\t"
+            "lw   %[temp_reg2], 10*4(%[csa])                            \n\t"
+            "mtlo %[MAX_lo],    $ac0                                    \n\t"
+            "lw   %[temp_reg3], 11*4(%[csa])                            \n\t"
+            "msub $ac0,         %[tmp1],      %[temp_reg2]              \n\t"
+            "mtlo $zero,        $ac1                                    \n\t"
+            "madd $ac1,         %[tmp0],      %[temp_reg3]              \n\t"
+            "lw   %[tmp00],     -4*4(%[ptr])                            \n\t"
+            "lw   %[tmp11],     3*4(%[ptr])                             \n\t"
+            "mfhi %[temp_reg1], $ac0                                    \n\t"
+            "lw   %[temp_reg4], 12*4(%[csa])                            \n\t"
+            "mfhi %[temp_reg2], $ac1                                    \n\t"
+            "add  %[tmp2],      %[tmp00],     %[tmp11]                  \n\t"
+            "mult $ac2,         %[tmp2],      %[temp_reg4]              \n\t"
+            "mult $ac3,         %[tmp2],      %[temp_reg4]              \n\t"
+            "lw   %[temp_reg5], 14*4(%[csa])                            \n\t"
+            "lw   %[temp_reg6], 15*4(%[csa])                            \n\t"
+            "sll  %[temp_reg1], %[temp_reg1], 2                         \n\t"
+            "mtlo %[MAX_lo],    $ac2                                    \n\t"
+            "msub $ac2,         %[tmp11],     %[temp_reg5]              \n\t"
+            "mtlo $zero,        $ac3                                    \n\t"
+            "madd $ac3,         %[tmp00],     %[temp_reg6]              \n\t"
+            "sll  %[temp_reg2], %[temp_reg2], 2                         \n\t"
+            "sw   %[temp_reg1], -3*4(%[ptr])                            \n\t"
+            "mfhi %[temp_reg4], $ac2                                    \n\t"
+            "sw   %[temp_reg2], 2*4(%[ptr])                             \n\t"
+            "mfhi %[temp_reg5], $ac3                                    \n\t"
+            "lw   %[tmp0],      -5*4(%[ptr])                            \n\t"
+            "lw   %[tmp1],      4*4(%[ptr])                             \n\t"
+            "lw   %[temp_reg1], 16*4(%[csa])                            \n\t"
+            "lw   %[temp_reg2], 18*4(%[csa])                            \n\t"
+            "add  %[tmp2],      %[tmp0],      %[tmp1]                   \n\t"
+            "lw   %[temp_reg3], 19*4(%[csa])                            \n\t"
+            "mult $ac0,         %[tmp2],      %[temp_reg1]              \n\t"
+            "mult $ac1,         %[tmp2],      %[temp_reg1]              \n\t"
+            "sll  %[temp_reg4], %[temp_reg4], 2                         \n\t"
+            "sll  %[temp_reg5], %[temp_reg5], 2                         \n\t"
+            "sw   %[temp_reg4], -4*4(%[ptr])                            \n\t"
+            "mtlo %[MAX_lo],    $ac0                                    \n\t"
+            "msub $ac0,         %[tmp1],      %[temp_reg2]              \n\t"
+            "mtlo $zero,        $ac1                                    \n\t"
+            "madd $ac1,         %[tmp0],      %[temp_reg3]              \n\t"
+            "sw   %[temp_reg5], 3*4(%[ptr])                             \n\t"
+            "lw   %[tmp00],     -6*4(%[ptr])                            \n\t"
+            "mfhi %[temp_reg1], $ac0                                    \n\t"
+            "lw   %[tmp11],     5*4(%[ptr])                             \n\t"
+            "mfhi %[temp_reg2], $ac1                                    \n\t"
+            "lw   %[temp_reg4], 20*4(%[csa])                            \n\t"
+            "add  %[tmp2],      %[tmp00],     %[tmp11]                  \n\t"
+            "lw   %[temp_reg5], 22*4(%[csa])                            \n\t"
+            "mult $ac2,         %[tmp2],      %[temp_reg4]              \n\t"
+            "mult $ac3,         %[tmp2],      %[temp_reg4]              \n\t"
+            "lw   %[temp_reg6], 23*4(%[csa])                            \n\t"
+            "sll  %[temp_reg1], %[temp_reg1], 2                         \n\t"
+            "sll  %[temp_reg2], %[temp_reg2], 2                         \n\t"
+            "mtlo %[MAX_lo],    $ac2                                    \n\t"
+            "msub $ac2,         %[tmp11],     %[temp_reg5]              \n\t"
+            "mtlo $zero,        $ac3                                    \n\t"
+            "madd $ac3,         %[tmp00],     %[temp_reg6]              \n\t"
+            "sw   %[temp_reg1], -5*4(%[ptr])                            \n\t"
+            "sw   %[temp_reg2], 4*4(%[ptr])                             \n\t"
+            "mfhi %[temp_reg4], $ac2                                    \n\t"
+            "lw   %[tmp0],      -7*4(%[ptr])                            \n\t"
+            "mfhi %[temp_reg5], $ac3                                    \n\t"
+            "lw   %[tmp1],      6*4(%[ptr])                             \n\t"
+            "lw   %[temp_reg1], 24*4(%[csa])                            \n\t"
+            "lw   %[temp_reg2], 26*4(%[csa])                            \n\t"
+            "add  %[tmp2],      %[tmp0],      %[tmp1]                   \n\t"
+            "lw   %[temp_reg3], 27*4(%[csa])                            \n\t"
+            "mult $ac0,         %[tmp2],      %[temp_reg1]              \n\t"
+            "mult $ac1,         %[tmp2],      %[temp_reg1]              \n\t"
+            "sll  %[temp_reg4], %[temp_reg4], 2                         \n\t"
+            "sll  %[temp_reg5], %[temp_reg5], 2                         \n\t"
+            "sw   %[temp_reg4], -6*4(%[ptr])                            \n\t"
+            "mtlo %[MAX_lo],    $ac0                                    \n\t"
+            "msub $ac0,         %[tmp1],      %[temp_reg2]              \n\t"
+            "mtlo $zero,        $ac1                                    \n\t"
+            "madd $ac1,         %[tmp0],      %[temp_reg3]              \n\t"
+            "sw   %[temp_reg5], 5*4(%[ptr])                             \n\t"
+            "lw   %[tmp00],     -8*4(%[ptr])                            \n\t"
+            "mfhi %[temp_reg1], $ac0                                    \n\t"
+            "lw   %[tmp11],     7*4(%[ptr])                             \n\t"
+            "mfhi %[temp_reg2], $ac1                                    \n\t"
+            "lw   %[temp_reg4], 28*4(%[csa])                            \n\t"
+            "add  %[tmp2],      %[tmp00],     %[tmp11]                  \n\t"
+            "lw   %[temp_reg5], 30*4(%[csa])                            \n\t"
+            "mult $ac2,         %[tmp2],      %[temp_reg4]              \n\t"
+            "mult $ac3,         %[tmp2],      %[temp_reg4]              \n\t"
+            "lw   %[temp_reg6], 31*4(%[csa])                            \n\t"
+            "sll  %[temp_reg1], %[temp_reg1], 2                         \n\t"
+            "sll  %[temp_reg2], %[temp_reg2], 2                         \n\t"
+            "mtlo %[MAX_lo],    $ac2                                    \n\t"
+            "msub $ac2,         %[tmp11],     %[temp_reg5]              \n\t"
+            "mtlo $zero,        $ac3                                    \n\t"
+            "madd $ac3,         %[tmp00],     %[temp_reg6]              \n\t"
+            "sw   %[temp_reg1], -7*4(%[ptr])                            \n\t"
+            "sw   %[temp_reg2], 6*4(%[ptr])                             \n\t"
+            "mfhi %[temp_reg4], $ac2                                    \n\t"
+            "mfhi %[temp_reg5], $ac3                                    \n\t"
+            "sll  %[temp_reg4], %[temp_reg4], 2                         \n\t"
+            "sll  %[temp_reg5], %[temp_reg5], 2                         \n\t"
+            "sw   %[temp_reg4], -8*4(%[ptr])                            \n\t"
+            "sw   %[temp_reg5], 7*4(%[ptr])                             \n\t"
+
+            : [tmp0] "=&r" (tmp0), [tmp1] "=&r" (tmp1), [tmp2] "=&r" (tmp2),
+              [tmp00] "=&r" (tmp00), [tmp11] "=&r" (tmp11),
+              [temp_reg1] "=&r" (temp_reg1), [temp_reg2] "=&r" (temp_reg2),
+              [temp_reg3] "=&r" (temp_reg3), [temp_reg4] "=&r" (temp_reg4),
+              [temp_reg5] "=&r" (temp_reg5), [temp_reg6] "=&r" (temp_reg6)
+            : [csa] "r" (csa), [ptr] "r" (ptr),
+              [MAX_lo] "r" (MAX_lo)
+         );
+
+        ptr += 18;
+    }
+}
+#define compute_antialias compute_antialias_mips_fixed
+
+#endif /* AVCODEC_MIPS_COMPUTE_ANTIALIAS_FIXED_H */
diff --git a/libavcodec/mips/compute_antialias_float.h b/libavcodec/mips/compute_antialias_float.h
new file mode 100644 (file)
index 0000000..0abdef4
--- /dev/null
@@ -0,0 +1,182 @@
+/*
+ * Copyright (c) 2012
+ *      MIPS Technologies, Inc., California.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the MIPS Technologies, Inc., nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE MIPS TECHNOLOGIES, INC. ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE MIPS TECHNOLOGIES, INC. BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * Author:  Bojan Zivkovic (bojan@mips.com)
+ *
+ * Compute antialias function optimised for MIPS floating-point architecture
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file
+ * Reference: libavcodec/mpegaudiodec.c
+ */
+
+#ifndef AVCODEC_MIPS_COMPUTE_ANTIALIAS_FLOAT_H
+#define AVCODEC_MIPS_COMPUTE_ANTIALIAS_FLOAT_H
+
+static void compute_antialias_mips_float(MPADecodeContext *s,
+                                        GranuleDef *g)
+{
+    float *ptr, *ptr_end;
+    float *csa = &csa_table[0][0];
+    int n;
+    /* temporary variables */
+    float in1, in2, in3, in4, in5, in6, in7, in8;
+    float out1, out2, out3, out4;
+
+    ptr = g->sb_hybrid + 18;
+    /* we antialias only "long" bands */
+    if (g->block_type == 2) {
+        if (!g->switch_point)
+            return;
+        /* XXX: check this for 8000Hz case */
+        n = 1;
+        ptr_end = ptr + 18;
+    } else {
+        n = 31;
+        ptr_end = ptr + 558;
+    }
+
+    /**
+    * instructions are scheduled to minimize pipeline stall.
+    */
+
+    __asm__ __volatile__ (
+        "compute_antialias_float_loop%=:                                \t\n"
+        "lwc1    %[in1],  -1*4(%[ptr])                                  \t\n"
+        "lwc1    %[in2],  0(%[csa])                                     \t\n"
+        "lwc1    %[in3],  1*4(%[csa])                                   \t\n"
+        "lwc1    %[in4],  0(%[ptr])                                     \t\n"
+        "lwc1    %[in5],  -2*4(%[ptr])                                  \t\n"
+        "lwc1    %[in6],  4*4(%[csa])                                   \t\n"
+        "mul.s   %[out1], %[in1],  %[in2]                               \t\n"
+        "mul.s   %[out2], %[in1],  %[in3]                               \t\n"
+        "lwc1    %[in7],  5*4(%[csa])                                   \t\n"
+        "lwc1    %[in8],  1*4(%[ptr])                                   \t\n"
+        "nmsub.s %[out1], %[out1], %[in3], %[in4]                       \t\n"
+        "madd.s  %[out2], %[out2], %[in2], %[in4]                       \t\n"
+        "mul.s   %[out3], %[in5],  %[in6]                               \t\n"
+        "mul.s   %[out4], %[in5],  %[in7]                               \t\n"
+        "lwc1    %[in1],  -3*4(%[ptr])                                  \t\n"
+        "swc1    %[out1], -1*4(%[ptr])                                  \t\n"
+        "swc1    %[out2], 0(%[ptr])                                     \t\n"
+        "nmsub.s %[out3], %[out3], %[in7], %[in8]                       \t\n"
+        "madd.s  %[out4], %[out4], %[in6], %[in8]                       \t\n"
+        "lwc1    %[in2],  8*4(%[csa])                                   \t\n"
+        "swc1    %[out3], -2*4(%[ptr])                                  \t\n"
+        "swc1    %[out4], 1*4(%[ptr])                                   \t\n"
+        "lwc1    %[in3],  9*4(%[csa])                                   \t\n"
+        "lwc1    %[in4],  2*4(%[ptr])                                   \t\n"
+        "mul.s   %[out1], %[in1],  %[in2]                               \t\n"
+        "lwc1    %[in5],  -4*4(%[ptr])                                  \t\n"
+        "lwc1    %[in6],  12*4(%[csa])                                  \t\n"
+        "mul.s   %[out2], %[in1],  %[in3]                               \t\n"
+        "lwc1    %[in7],  13*4(%[csa])                                  \t\n"
+        "nmsub.s %[out1], %[out1], %[in3], %[in4]                       \t\n"
+        "lwc1    %[in8],  3*4(%[ptr])                                   \t\n"
+        "mul.s   %[out3], %[in5],  %[in6]                               \t\n"
+        "madd.s  %[out2], %[out2], %[in2], %[in4]                       \t\n"
+        "mul.s   %[out4], %[in5],  %[in7]                               \t\n"
+        "swc1    %[out1], -3*4(%[ptr])                                  \t\n"
+        "lwc1    %[in1],  -5*4(%[ptr])                                  \t\n"
+        "nmsub.s %[out3], %[out3], %[in7], %[in8]                       \t\n"
+        "swc1    %[out2], 2*4(%[ptr])                                   \t\n"
+        "madd.s  %[out4], %[out4], %[in6], %[in8]                       \t\n"
+        "lwc1    %[in2],  16*4(%[csa])                                  \t\n"
+        "lwc1    %[in3],  17*4(%[csa])                                  \t\n"
+        "swc1    %[out3], -4*4(%[ptr])                                  \t\n"
+        "lwc1    %[in4],  4*4(%[ptr])                                   \t\n"
+        "swc1    %[out4], 3*4(%[ptr])                                   \t\n"
+        "mul.s   %[out1], %[in1],  %[in2]                               \t\n"
+        "mul.s   %[out2], %[in1],  %[in3]                               \t\n"
+        "lwc1    %[in5],  -6*4(%[ptr])                                  \t\n"
+        "lwc1    %[in6],  20*4(%[csa])                                  \t\n"
+        "lwc1    %[in7],  21*4(%[csa])                                  \t\n"
+        "nmsub.s %[out1], %[out1], %[in3], %[in4]                       \t\n"
+        "madd.s  %[out2], %[out2], %[in2], %[in4]                       \t\n"
+        "lwc1    %[in8],  5*4(%[ptr])                                   \t\n"
+        "mul.s   %[out3], %[in5],  %[in6]                               \t\n"
+        "mul.s   %[out4], %[in5],  %[in7]                               \t\n"
+        "swc1    %[out1], -5*4(%[ptr])                                  \t\n"
+        "swc1    %[out2], 4*4(%[ptr])                                   \t\n"
+        "lwc1    %[in1],  -7*4(%[ptr])                                  \t\n"
+        "nmsub.s %[out3], %[out3], %[in7], %[in8]                       \t\n"
+        "madd.s  %[out4], %[out4], %[in6], %[in8]                       \t\n"
+        "lwc1    %[in2],  24*4(%[csa])                                  \t\n"
+        "lwc1    %[in3],  25*4(%[csa])                                  \t\n"
+        "lwc1    %[in4],  6*4(%[ptr])                                   \t\n"
+        "swc1    %[out3], -6*4(%[ptr])                                  \t\n"
+        "swc1    %[out4], 5*4(%[ptr])                                   \t\n"
+        "mul.s   %[out1], %[in1],  %[in2]                               \t\n"
+        "lwc1    %[in5],  -8*4(%[ptr])                                  \t\n"
+        "mul.s   %[out2], %[in1],  %[in3]                               \t\n"
+        "lwc1    %[in6],  28*4(%[csa])                                  \t\n"
+        "lwc1    %[in7],  29*4(%[csa])                                  \t\n"
+        "nmsub.s %[out1], %[out1], %[in3], %[in4]                       \t\n"
+        "lwc1    %[in8],  7*4(%[ptr])                                   \t\n"
+        "madd.s  %[out2], %[out2], %[in2], %[in4]                       \t\n"
+        "mul.s   %[out3], %[in5],  %[in6]                               \t\n"
+        "mul.s   %[out4], %[in5],  %[in7]                               \t\n"
+        "swc1    %[out1], -7*4(%[ptr])                                  \t\n"
+        "swc1    %[out2], 6*4(%[ptr])                                   \t\n"
+        "addiu   %[ptr],  %[ptr],  72                                   \t\n"
+        "nmsub.s %[out3], %[out3], %[in7], %[in8]                       \t\n"
+        "madd.s  %[out4], %[out4], %[in6], %[in8]                       \t\n"
+        "swc1    %[out3], -26*4(%[ptr])                                 \t\n"
+        "swc1    %[out4], -11*4(%[ptr])                                 \t\n"
+        "bne     %[ptr],  %[ptr_end],  compute_antialias_float_loop%=   \t\n"
+
+        : [ptr] "+r" (ptr),
+          [in1] "=&f" (in1), [in2] "=&f" (in2),
+          [in3] "=&f" (in3), [in4] "=&f" (in4),
+          [in5] "=&f" (in5), [in6] "=&f" (in6),
+          [in7] "=&f" (in7), [in8] "=&f" (in8),
+          [out1] "=&f" (out1), [out2] "=&f" (out2),
+          [out3] "=&f" (out3), [out4] "=&f" (out4)
+        : [csa] "r" (csa), [ptr_end] "r" (ptr_end)
+    );
+}
+#define compute_antialias compute_antialias_mips_float
+
+#endif /* AVCODEC_MIPS_COMPUTE_ANTIALIAS_FLOAT_H */
diff --git a/libavcodec/mips/mpegaudiodsp_mips_fixed.c b/libavcodec/mips/mpegaudiodsp_mips_fixed.c
new file mode 100644 (file)
index 0000000..259fb85
--- /dev/null
@@ -0,0 +1,903 @@
+/*
+ * Copyright (c) 2012
+ *      MIPS Technologies, Inc., California.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the MIPS Technologies, Inc., nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE MIPS TECHNOLOGIES, INC. ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE MIPS TECHNOLOGIES, INC. BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * Author:  Bojan Zivkovic (bojan@mips.com)
+ *
+ * MPEG Audio decoder optimized for MIPS fixed-point architecture
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file
+ * Reference: libavcodec/mpegaudiodsp_template.c
+ */
+
+#include <string.h>
+
+#include "libavcodec/mpegaudiodsp.h"
+
+static void ff_mpadsp_apply_window_mips_fixed(int32_t *synth_buf, int32_t *window,
+                               int *dither_state, int16_t *samples, int incr)
+{
+    register const int32_t *w, *w2, *p;
+    int j;
+    int16_t *samples2;
+    int w_asm, p_asm, w_asm1, p_asm1, w_asm2, p_asm2;
+    int w2_asm, w2_asm1, *p_temp1, *p_temp2;
+    int sum1 = 0;
+    int const min_asm = -32768, max_asm = 32767;
+    int temp1, temp2 = 0, temp3 = 0;
+    int64_t sum;
+
+    /* copy to avoid wrap */
+    memcpy(synth_buf + 512, synth_buf, 32 * sizeof(*synth_buf));
+    samples2 = samples + 31 * incr;
+    w = window;
+    w2 = window + 31;
+    sum = *dither_state;
+    p = synth_buf + 16;
+    p_temp1 = synth_buf + 16;
+    p_temp2 = synth_buf + 48;
+    temp1 = sum;
+
+    /**
+    * use of round_sample function from the original code is eliminated,
+    * changed with appropriate assembly instructions.
+    */
+    __asm__ __volatile__ (
+         "mthi   $zero                                                    \n\t"
+         "mtlo   %[temp1]                                                 \n\t"
+         "lw     %[w_asm],  0(%[w])                                       \n\t"
+         "lw     %[p_asm],  0(%[p])                                       \n\t"
+         "lw     %[w_asm1], 64*4(%[w])                                    \n\t"
+         "lw     %[p_asm1], 64*4(%[p])                                    \n\t"
+         "lw     %[w_asm2], 128*4(%[w])                                   \n\t"
+         "lw     %[p_asm2], 128*4(%[p])                                   \n\t"
+         "madd   %[w_asm],  %[p_asm]                                      \n\t"
+         "madd   %[w_asm1], %[p_asm1]                                     \n\t"
+         "madd   %[w_asm2], %[p_asm2]                                     \n\t"
+         "lw     %[w_asm],  192*4(%[w])                                   \n\t"
+         "lw     %[p_asm],  192*4(%[p])                                   \n\t"
+         "lw     %[w_asm1], 256*4(%[w])                                   \n\t"
+         "lw     %[p_asm1], 256*4(%[p])                                   \n\t"
+         "lw     %[w_asm2], 320*4(%[w])                                   \n\t"
+         "lw     %[p_asm2], 320*4(%[p])                                   \n\t"
+         "madd   %[w_asm],  %[p_asm]                                      \n\t"
+         "madd   %[w_asm1], %[p_asm1]                                     \n\t"
+         "madd   %[w_asm2], %[p_asm2]                                     \n\t"
+         "lw     %[w_asm],  384*4(%[w])                                   \n\t"
+         "lw     %[p_asm],  384*4(%[p])                                   \n\t"
+         "lw     %[w_asm1], 448*4(%[w])                                   \n\t"
+         "lw     %[p_asm1], 448*4(%[p])                                   \n\t"
+         "lw     %[w_asm2], 32*4(%[w])                                    \n\t"
+         "lw     %[p_asm2], 32*4(%[p])                                    \n\t"
+         "madd   %[w_asm],  %[p_asm]                                      \n\t"
+         "madd   %[w_asm1], %[p_asm1]                                     \n\t"
+         "msub   %[w_asm2], %[p_asm2]                                     \n\t"
+         "lw     %[w_asm],  96*4(%[w])                                    \n\t"
+         "lw     %[p_asm],  96*4(%[p])                                    \n\t"
+         "lw     %[w_asm1], 160*4(%[w])                                   \n\t"
+         "lw     %[p_asm1], 160*4(%[p])                                   \n\t"
+         "lw     %[w_asm2], 224*4(%[w])                                   \n\t"
+         "lw     %[p_asm2], 224*4(%[p])                                   \n\t"
+         "msub   %[w_asm],  %[p_asm]                                      \n\t"
+         "msub   %[w_asm1], %[p_asm1]                                     \n\t"
+         "msub   %[w_asm2], %[p_asm2]                                     \n\t"
+         "lw     %[w_asm],  288*4(%[w])                                   \n\t"
+         "lw     %[p_asm],  288*4(%[p])                                   \n\t"
+         "lw     %[w_asm1], 352*4(%[w])                                   \n\t"
+         "lw     %[p_asm1], 352*4(%[p])                                   \n\t"
+         "msub   %[w_asm],  %[p_asm]                                      \n\t"
+         "lw     %[w_asm],  480*4(%[w])                                   \n\t"
+         "lw     %[p_asm],  480*4(%[p])                                   \n\t"
+         "lw     %[w_asm2], 416*4(%[w])                                   \n\t"
+         "lw     %[p_asm2], 416*4(%[p])                                   \n\t"
+         "msub   %[w_asm],  %[p_asm]                                      \n\t"
+         "msub   %[w_asm1], %[p_asm1]                                     \n\t"
+         "msub   %[w_asm2], %[p_asm2]                                     \n\t"
+
+         /*round_sample function from the original code is eliminated,
+          * changed with appropriate assembly instructions
+          * code example:
+
+         "extr.w  %[sum1],$ac0,24                                       \n\t"
+         "mflo %[temp3],  $ac0                                          \n\t"
+         "and  %[temp1],  %[temp3],  0x00ffffff                         \n\t"
+         "slt  %[temp2],  %[sum1],   %[min_asm]                         \n\t"
+         "movn %[sum1],   %[min_asm],%[temp2]                           \n\t"
+         "slt  %[temp2],  %[max_asm],%[sum1]                            \n\t"
+         "movn %[sum1],   %[max_asm],%[temp2]                           \n\t"
+         "sh   %[sum1],   0(%[samples])                                 \n\t"
+         */
+
+         "extr.w %[sum1],   $ac0,       24                                \n\t"
+         "mflo   %[temp3]                                                 \n\t"
+         "addi   %[w],      %[w],       4                                 \n\t"
+         "and    %[temp1],  %[temp3],   0x00ffffff                        \n\t"
+         "slt    %[temp2],  %[sum1],    %[min_asm]                        \n\t"
+         "movn   %[sum1],   %[min_asm], %[temp2]                          \n\t"
+         "slt    %[temp2],  %[max_asm], %[sum1]                           \n\t"
+         "movn   %[sum1],   %[max_asm], %[temp2]                          \n\t"
+         "sh     %[sum1],   0(%[samples])                                 \n\t"
+
+        : [w_asm] "=&r" (w_asm), [p_asm] "=&r" (p_asm), [w_asm1] "=&r" (w_asm1),
+          [p_asm1] "=&r" (p_asm1), [temp1] "+r" (temp1), [temp2] "+r" (temp2),
+          [w_asm2] "=&r" (w_asm2), [p_asm2] "=&r" (p_asm2),
+          [sum1] "+r" (sum1), [w] "+r" (w), [temp3] "+r" (temp3)
+        : [p] "r" (p), [samples] "r" (samples), [min_asm] "r" (min_asm),
+          [max_asm] "r" (max_asm)
+        : "hi","lo"
+     );
+
+     samples += incr;
+
+    /* we calculate two samples at the same time to avoid one memory
+       access per two sample */
+
+    for(j = 1; j < 16; j++) {
+        __asm__ __volatile__ (
+             "mthi   $0,         $ac1                                      \n\t"
+             "mtlo   $0,         $ac1                                      \n\t"
+             "mthi   $0                                                    \n\t"
+             "mtlo   %[temp1]                                              \n\t"
+             "addi   %[p_temp1], %[p_temp1],       4                       \n\t"
+             "lw     %[w_asm],   0(%[w])                                   \n\t"
+             "lw     %[p_asm],   0(%[p_temp1])                             \n\t"
+             "lw     %[w2_asm],  0(%[w2])                                  \n\t"
+             "lw     %[w_asm1],  64*4(%[w])                                \n\t"
+             "lw     %[p_asm1],  64*4(%[p_temp1])                          \n\t"
+             "lw     %[w2_asm1], 64*4(%[w2])                               \n\t"
+             "madd   %[w_asm],   %[p_asm]                                  \n\t"
+             "msub   $ac1,       %[w2_asm],        %[p_asm]                \n\t"
+             "madd   %[w_asm1],  %[p_asm1]                                 \n\t"
+             "msub   $ac1,       %[w2_asm1],       %[p_asm1]               \n\t"
+             "lw     %[w_asm],   128*4(%[w])                               \n\t"
+             "lw     %[p_asm],   128*4(%[p_temp1])                         \n\t"
+             "lw     %[w2_asm],  128*4(%[w2])                              \n\t"
+             "lw     %[w_asm1],  192*4(%[w])                               \n\t"
+             "lw     %[p_asm1],  192*4(%[p_temp1])                         \n\t"
+             "lw     %[w2_asm1], 192*4(%[w2])                              \n\t"
+             "madd   %[w_asm],   %[p_asm]                                  \n\t"
+             "msub   $ac1,       %[w2_asm],        %[p_asm]                \n\t"
+             "madd   %[w_asm1],  %[p_asm1]                                 \n\t"
+             "msub   $ac1,       %[w2_asm1],       %[p_asm1]               \n\t"
+             "lw     %[w_asm],   256*4(%[w])                               \n\t"
+             "lw     %[p_asm],   256*4(%[p_temp1])                         \n\t"
+             "lw     %[w2_asm],  256*4(%[w2])                              \n\t"
+             "lw     %[w_asm1],  320*4(%[w])                               \n\t"
+             "lw     %[p_asm1],  320*4(%[p_temp1])                         \n\t"
+             "lw     %[w2_asm1], 320*4(%[w2])                              \n\t"
+             "madd   %[w_asm],   %[p_asm]                                  \n\t"
+             "msub   $ac1,       %[w2_asm],        %[p_asm]                \n\t"
+             "madd   %[w_asm1],  %[p_asm1]                                 \n\t"
+             "msub   $ac1,       %[w2_asm1],       %[p_asm1]               \n\t"
+             "lw     %[w_asm],   384*4(%[w])                               \n\t"
+             "lw     %[p_asm],   384*4(%[p_temp1])                         \n\t"
+             "lw     %[w2_asm],  384*4(%[w2])                              \n\t"
+             "lw     %[w_asm1],  448*4(%[w])                               \n\t"
+             "lw     %[p_asm1],  448*4(%[p_temp1])                         \n\t"
+             "lw     %[w2_asm1], 448*4(%[w2])                              \n\t"
+             "madd   %[w_asm],   %[p_asm]                                  \n\t"
+             "msub   $ac1,       %[w2_asm],        %[p_asm]                \n\t"
+             "madd   %[w_asm1],  %[p_asm1]                                 \n\t"
+             "msub   $ac1,       %[w2_asm1],       %[p_asm1]               \n\t"
+             "addi   %[p_temp2], %[p_temp2],       -4                      \n\t"
+             "lw     %[w_asm],   32*4(%[w])                                \n\t"
+             "lw     %[p_asm],   0(%[p_temp2])                             \n\t"
+             "lw     %[w2_asm],  32*4(%[w2])                               \n\t"
+             "lw     %[w_asm1],  96*4(%[w])                                \n\t"
+             "lw     %[p_asm1],  64*4(%[p_temp2])                          \n\t"
+             "lw     %[w2_asm1], 96*4(%[w2])                               \n\t"
+             "msub   %[w_asm],   %[p_asm]                                  \n\t"
+             "msub   $ac1,       %[w2_asm],        %[p_asm]                \n\t"
+             "msub   %[w_asm1],  %[p_asm1]                                 \n\t"
+             "msub   $ac1,       %[w2_asm1],       %[p_asm1]               \n\t"
+             "lw     %[w_asm],   160*4(%[w])                               \n\t"
+             "lw     %[p_asm],   128*4(%[p_temp2])                         \n\t"
+             "lw     %[w2_asm],  160*4(%[w2])                              \n\t"
+             "lw     %[w_asm1],  224*4(%[w])                               \n\t"
+             "lw     %[p_asm1],  192*4(%[p_temp2])                         \n\t"
+             "lw     %[w2_asm1], 224*4(%[w2])                              \n\t"
+             "msub   %[w_asm],   %[p_asm]                                  \n\t"
+             "msub   $ac1,       %[w2_asm],        %[p_asm]                \n\t"
+             "msub   %[w_asm1],  %[p_asm1]                                 \n\t"
+             "msub   $ac1,       %[w2_asm1],       %[p_asm1]               \n\t"
+             "lw     %[w_asm],   288*4(%[w])                               \n\t"
+             "lw     %[p_asm],   256*4(%[p_temp2])                         \n\t"
+             "lw     %[w2_asm],  288*4(%[w2])                              \n\t"
+             "lw     %[w_asm1],  352*4(%[w])                               \n\t"
+             "lw     %[p_asm1],  320*4(%[p_temp2])                         \n\t"
+             "lw     %[w2_asm1], 352*4(%[w2])                              \n\t"
+             "msub   %[w_asm],   %[p_asm]                                  \n\t"
+             "msub   $ac1,       %[w2_asm],        %[p_asm]                \n\t"
+             "msub   %[w_asm1],  %[p_asm1]                                 \n\t"
+             "msub   $ac1,       %[w2_asm1],       %[p_asm1]               \n\t"
+             "lw     %[w_asm],   416*4(%[w])                               \n\t"
+             "lw     %[p_asm],   384*4(%[p_temp2])                         \n\t"
+             "lw     %[w2_asm],  416*4(%[w2])                              \n\t"
+             "lw     %[w_asm1],  480*4(%[w])                               \n\t"
+             "lw     %[p_asm1],  448*4(%[p_temp2])                         \n\t"
+             "lw     %[w2_asm1], 480*4(%[w2])                              \n\t"
+             "msub   %[w_asm],   %[p_asm]                                  \n\t"
+             "msub   %[w_asm1],  %[p_asm1]                                 \n\t"
+             "msub   $ac1,       %[w2_asm],        %[p_asm]                \n\t"
+             "msub   $ac1,       %[w2_asm1],       %[p_asm1]               \n\t"
+             "addi   %[w],       %[w],             4                       \n\t"
+             "addi   %[w2],      %[w2],            -4                      \n\t"
+             "mflo   %[temp2]                                              \n\t"
+             "extr.w %[sum1],    $ac0,             24                      \n\t"
+             "li     %[temp3],   1                                         \n\t"
+             "and    %[temp1],   %[temp2],         0x00ffffff              \n\t"
+             "madd   $ac1,       %[temp1],         %[temp3]                \n\t"
+             "slt    %[temp2],   %[sum1],          %[min_asm]              \n\t"
+             "movn   %[sum1],    %[min_asm],       %[temp2]                \n\t"
+             "slt    %[temp2],   %[max_asm],       %[sum1]                 \n\t"
+             "movn   %[sum1],    %[max_asm],       %[temp2]                \n\t"
+             "sh     %[sum1],    0(%[samples])                             \n\t"
+             "mflo   %[temp3],   $ac1                                      \n\t"
+             "extr.w %[sum1],    $ac1,             24                      \n\t"
+             "and    %[temp1],   %[temp3],         0x00ffffff              \n\t"
+             "slt    %[temp2],   %[sum1],          %[min_asm]              \n\t"
+             "movn   %[sum1],    %[min_asm],       %[temp2]                \n\t"
+             "slt    %[temp2],   %[max_asm],       %[sum1]                 \n\t"
+             "movn   %[sum1],    %[max_asm],       %[temp2]                \n\t"
+             "sh     %[sum1],    0(%[samples2])                            \n\t"
+
+            : [w_asm] "=&r" (w_asm), [p_asm] "=&r" (p_asm), [w_asm1] "=&r" (w_asm1),
+              [p_asm1] "=&r" (p_asm1), [w2_asm1] "=&r" (w2_asm1),
+              [w2_asm] "=&r" (w2_asm), [temp1] "+r" (temp1), [temp2] "+r" (temp2),
+              [p_temp1] "+r" (p_temp1), [p_temp2] "+r" (p_temp2), [sum1] "+r" (sum1),
+              [w] "+r" (w), [w2] "+r" (w2), [samples] "+r" (samples),
+              [samples2] "+r" (samples2), [temp3] "+r" (temp3)
+            : [min_asm] "r" (min_asm), [max_asm] "r" (max_asm)
+            : "hi", "lo"
+        );
+
+        samples += incr;
+        samples2 -= incr;
+    }
+
+    p = synth_buf + 32;
+
+    __asm__ __volatile__ (
+        "mthi   $0                                                        \n\t"
+        "mtlo   %[temp1]                                                  \n\t"
+        "lw     %[w_asm],  32*4(%[w])                                     \n\t"
+        "lw     %[p_asm],  0(%[p])                                        \n\t"
+        "lw     %[w_asm1], 96*4(%[w])                                     \n\t"
+        "lw     %[p_asm1], 64*4(%[p])                                     \n\t"
+        "lw     %[w_asm2], 160*4(%[w])                                    \n\t"
+        "lw     %[p_asm2], 128*4(%[p])                                    \n\t"
+        "msub   %[w_asm],  %[p_asm]                                       \n\t"
+        "msub   %[w_asm1], %[p_asm1]                                      \n\t"
+        "msub   %[w_asm2], %[p_asm2]                                      \n\t"
+        "lw     %[w_asm],  224*4(%[w])                                    \n\t"
+        "lw     %[p_asm],  192*4(%[p])                                    \n\t"
+        "lw     %[w_asm1], 288*4(%[w])                                    \n\t"
+        "lw     %[p_asm1], 256*4(%[p])                                    \n\t"
+        "lw     %[w_asm2], 352*4(%[w])                                    \n\t"
+        "lw     %[p_asm2], 320*4(%[p])                                    \n\t"
+        "msub   %[w_asm],  %[p_asm]                                       \n\t"
+        "msub   %[w_asm1], %[p_asm1]                                      \n\t"
+        "msub   %[w_asm2], %[p_asm2]                                      \n\t"
+        "lw     %[w_asm],  416*4(%[w])                                    \n\t"
+        "lw     %[p_asm],  384*4(%[p])                                    \n\t"
+        "lw     %[w_asm1], 480*4(%[w])                                    \n\t"
+        "lw     %[p_asm1], 448*4(%[p])                                    \n\t"
+        "msub   %[w_asm],  %[p_asm]                                       \n\t"
+        "msub   %[w_asm1], %[p_asm1]                                      \n\t"
+        "extr.w %[sum1],   $ac0,       24                                 \n\t"
+        "mflo   %[temp2]                                                  \n\t"
+        "and    %[temp1],  %[temp2],   0x00ffffff                         \n\t"
+        "slt    %[temp2],  %[sum1],    %[min_asm]                         \n\t"
+        "movn   %[sum1],   %[min_asm], %[temp2]                           \n\t"
+        "slt    %[temp2],  %[max_asm], %[sum1]                            \n\t"
+        "movn   %[sum1],   %[max_asm], %[temp2]                           \n\t"
+        "sh     %[sum1],   0(%[samples])                                  \n\t"
+
+        : [w_asm] "=&r" (w_asm), [p_asm] "=&r" (p_asm), [w_asm1] "=&r" (w_asm1),
+          [p_asm1] "=&r" (p_asm1), [temp1] "+r" (temp1), [temp2] "+r" (temp2),
+          [w_asm2] "=&r" (w_asm2), [p_asm2] "=&r" (p_asm2), [sum1] "+r" (sum1)
+        : [w] "r" (w), [p] "r" (p), [samples] "r" (samples), [min_asm] "r" (min_asm),
+          [max_asm] "r" (max_asm)
+        : "hi", "lo"
+     );
+
+    *dither_state= temp1;
+}
+
+static void imdct36_mips_fixed(int *out, int *buf, int *in, int *win)
+{
+    int j;
+    int t0, t1, t2, t3, s0, s1, s2, s3;
+    int tmp[18], *tmp1, *in1;
+    /* temporary variables */
+    int temp_reg1, temp_reg2, temp_reg3, temp_reg4, temp_reg5, temp_reg6;
+    int t4, t5, t6, t8, t7;
+
+   /* values defined in macros and tables are
+    * eliminated - they are directly loaded in appropriate variables
+    */
+    int const C_1  =  4229717092; /* cos(pi*1/18)*2  */
+    int const C_2  =  4035949074; /* cos(pi*2/18)*2  */
+    int const C_3  =  575416510;  /* -cos(pi*3/18)*2 */
+    int const C_3A =  3719550786; /* cos(pi*3/18)*2  */
+    int const C_4  =  1004831466; /* -cos(pi*4/18)*2 */
+    int const C_5  =  1534215534; /* -cos(pi*5/18)*2 */
+    int const C_7  = -1468965330; /* -cos(pi*7/18)*2 */
+    int const C_8  = -745813244;  /* -cos(pi*8/18)*2 */
+
+   /*
+    * instructions of the first two loops are reorganized and loops are unrolled,
+    * in order to eliminate unnecessary readings and writings in array
+    */
+
+    __asm__ __volatile__ (
+        "lw   %[t1], 17*4(%[in])                                         \n\t"
+        "lw   %[t2], 16*4(%[in])                                         \n\t"
+        "lw   %[t3], 15*4(%[in])                                         \n\t"
+        "lw   %[t4], 14*4(%[in])                                         \n\t"
+        "addu %[t1], %[t1],      %[t2]                                   \n\t"
+        "addu %[t2], %[t2],      %[t3]                                   \n\t"
+        "addu %[t3], %[t3],      %[t4]                                   \n\t"
+        "lw   %[t5], 13*4(%[in])                                         \n\t"
+        "addu %[t1], %[t1],      %[t3]                                   \n\t"
+        "sw   %[t2], 16*4(%[in])                                         \n\t"
+        "lw   %[t6], 12*4(%[in])                                         \n\t"
+        "sw   %[t1], 17*4(%[in])                                         \n\t"
+        "addu %[t4], %[t4],      %[t5]                                   \n\t"
+        "addu %[t5], %[t5],      %[t6]                                   \n\t"
+        "lw   %[t7], 11*4(%[in])                                         \n\t"
+        "addu %[t3], %[t3],      %[t5]                                   \n\t"
+        "sw   %[t4], 14*4(%[in])                                         \n\t"
+        "lw   %[t8], 10*4(%[in])                                         \n\t"
+        "sw   %[t3], 15*4(%[in])                                         \n\t"
+        "addu %[t6], %[t6],      %[t7]                                   \n\t"
+        "addu %[t7], %[t7],      %[t8]                                   \n\t"
+        "sw   %[t6], 12*4(%[in])                                         \n\t"
+        "addu %[t5], %[t5],      %[t7]                                   \n\t"
+        "lw   %[t1], 9*4(%[in])                                          \n\t"
+        "lw   %[t2], 8*4(%[in])                                          \n\t"
+        "sw   %[t5], 13*4(%[in])                                         \n\t"
+        "addu %[t8], %[t8],      %[t1]                                   \n\t"
+        "addu %[t1], %[t1],      %[t2]                                   \n\t"
+        "sw   %[t8], 10*4(%[in])                                         \n\t"
+        "addu %[t7], %[t7],      %[t1]                                   \n\t"
+        "lw   %[t3], 7*4(%[in])                                          \n\t"
+        "lw   %[t4], 6*4(%[in])                                          \n\t"
+        "sw   %[t7], 11*4(%[in])                                         \n\t"
+        "addu %[t2], %[t2],      %[t3]                                   \n\t"
+        "addu %[t3], %[t3],      %[t4]                                   \n\t"
+        "sw   %[t2], 8*4(%[in])                                          \n\t"
+        "addu %[t1], %[t1],      %[t3]                                   \n\t"
+        "lw   %[t5], 5*4(%[in])                                          \n\t"
+        "lw   %[t6], 4*4(%[in])                                          \n\t"
+        "sw   %[t1], 9*4(%[in])                                          \n\t"
+        "addu %[t4], %[t4],      %[t5]                                   \n\t"
+        "addu %[t5], %[t5],      %[t6]                                   \n\t"
+        "sw   %[t4], 6*4(%[in])                                          \n\t"
+        "addu %[t3], %[t3],      %[t5]                                   \n\t"
+        "lw   %[t7], 3*4(%[in])                                          \n\t"
+        "lw   %[t8], 2*4(%[in])                                          \n\t"
+        "sw   %[t3], 7*4(%[in])                                          \n\t"
+        "addu %[t6], %[t6],      %[t7]                                   \n\t"
+        "addu %[t7], %[t7],      %[t8]                                   \n\t"
+        "sw   %[t6], 4*4(%[in])                                          \n\t"
+        "addu %[t5], %[t5],      %[t7]                                   \n\t"
+        "lw   %[t1], 1*4(%[in])                                          \n\t"
+        "lw   %[t2], 0*4(%[in])                                          \n\t"
+        "sw   %[t5], 5*4(%[in])                                          \n\t"
+        "addu %[t8], %[t8],      %[t1]                                   \n\t"
+        "addu %[t1], %[t1],      %[t2]                                   \n\t"
+        "sw   %[t8], 2*4(%[in])                                          \n\t"
+        "addu %[t7], %[t7],      %[t1]                                   \n\t"
+        "sw   %[t7], 3*4(%[in])                                          \n\t"
+        "sw   %[t1], 1*4(%[in])                                          \n\t"
+
+        : [in] "+r" (in), [t1] "=&r" (t1), [t2] "=&r" (t2), [t3] "=&r" (t3),
+          [t4] "=&r" (t4), [t5] "=&r" (t5), [t6] "=&r" (t6),
+          [t7] "=&r" (t7), [t8] "=&r" (t8)
+    );
+
+    for(j = 0; j < 2; j++) {
+
+        tmp1 = tmp + j;
+        in1 = in + j;
+
+         /**
+         *  Original constants are multiplied by two in advanced
+         *  for assembly optimization (e.g. C_2 = 2 * C2).
+         *  That can lead to overflow in operations where they are used.
+         *
+         *  Example of the solution:
+         *
+         *  in original code:
+         *  t0 = ((int64_t)(in1[2*2] + in1[2*4]) * (int64_t)(2*C2))>>32
+         *
+         *  in assembly:
+         *  C_2 = 2 * C2;
+         *   .
+         *   .
+         *  "lw   %[t7],       4*4(%[in1])                               \n\t"
+         *  "lw   %[t8],       8*4(%[in1])                               \n\t"
+         *  "addu %[temp_reg2],%[t7],       %[t8]                        \n\t"
+         *  "multu %[C_2],     %[temp_reg2]                              \n\t"
+         *  "mfhi %[temp_reg1]                                           \n\t"
+         *  "sra  %[temp_reg2],%[temp_reg2],31                           \n\t"
+         *  "move %[t0],       $0                                        \n\t"
+         *  "movn %[t0],       %[C_2],      %[temp_reg2]                 \n\t"
+         *  "sub  %[t0],       %[temp_reg1],%[t0]                        \n\t"
+         */
+
+        __asm__ __volatile__ (
+            "lw    %[t7],        4*4(%[in1])                               \n\t"
+            "lw    %[t8],        8*4(%[in1])                               \n\t"
+            "lw    %[t6],        16*4(%[in1])                              \n\t"
+            "lw    %[t4],        0*4(%[in1])                               \n\t"
+            "addu  %[temp_reg2], %[t7],        %[t8]                       \n\t"
+            "addu  %[t2],        %[t6],        %[t8]                       \n\t"
+            "multu %[C_2],       %[temp_reg2]                              \n\t"
+            "lw    %[t5],        12*4(%[in1])                              \n\t"
+            "sub   %[t2],        %[t2],        %[t7]                       \n\t"
+            "sub   %[t1],        %[t4],        %[t5]                       \n\t"
+            "sra   %[t3],        %[t5],        1                           \n\t"
+            "sra   %[temp_reg1], %[t2],        1                           \n\t"
+            "addu  %[t3],        %[t3],        %[t4]                       \n\t"
+            "sub   %[temp_reg1], %[t1],        %[temp_reg1]                \n\t"
+            "sra   %[temp_reg2], %[temp_reg2], 31                          \n\t"
+            "sw    %[temp_reg1], 6*4(%[tmp1])                              \n\t"
+            "move  %[t0],        $0                                        \n\t"
+            "movn  %[t0],        %[C_2],       %[temp_reg2]                \n\t"
+            "mfhi  %[temp_reg1]                                            \n\t"
+            "addu  %[t1],        %[t1],        %[t2]                       \n\t"
+            "sw    %[t1],        16*4(%[tmp1])                             \n\t"
+            "sub   %[temp_reg4], %[t8],        %[t6]                       \n\t"
+            "add   %[temp_reg2], %[t7],        %[t6]                       \n\t"
+            "mult  $ac1,         %[C_8],       %[temp_reg4]                \n\t"
+            "multu $ac2,         %[C_4],       %[temp_reg2]                \n\t"
+            "sub   %[t0],        %[temp_reg1], %[t0]                       \n\t"
+            "sra   %[temp_reg1], %[temp_reg2], 31                          \n\t"
+            "move  %[t2],        $0                                        \n\t"
+            "movn  %[t2],        %[C_4],       %[temp_reg1]                \n\t"
+            "mfhi  %[t1],        $ac1                                      \n\t"
+            "mfhi  %[temp_reg1], $ac2                                      \n\t"
+            "lw    %[t6],        10*4(%[in1])                              \n\t"
+            "lw    %[t8],        14*4(%[in1])                              \n\t"
+            "lw    %[t7],        2*4(%[in1])                               \n\t"
+            "lw    %[t4],        6*4(%[in1])                               \n\t"
+            "sub   %[temp_reg3], %[t3],        %[t0]                       \n\t"
+            "add   %[temp_reg4], %[t3],        %[t0]                       \n\t"
+            "sub   %[temp_reg1], %[temp_reg1], %[temp_reg2]                \n\t"
+            "add   %[temp_reg4], %[temp_reg4], %[t1]                       \n\t"
+            "sub   %[t2],        %[temp_reg1], %[t2]                       \n\t"
+            "sw    %[temp_reg4], 2*4(%[tmp1])                              \n\t"
+            "sub   %[temp_reg3], %[temp_reg3], %[t2]                       \n\t"
+            "add   %[temp_reg1], %[t3],        %[t2]                       \n\t"
+            "sw    %[temp_reg3], 10*4(%[tmp1])                             \n\t"
+            "sub   %[temp_reg1], %[temp_reg1], %[t1]                       \n\t"
+            "addu  %[temp_reg2], %[t6],        %[t8]                       \n\t"
+            "sw    %[temp_reg1], 14*4(%[tmp1])                             \n\t"
+            "sub   %[temp_reg2], %[temp_reg2], %[t7]                       \n\t"
+            "addu  %[temp_reg3], %[t7],        %[t6]                       \n\t"
+            "multu $ac3,         %[C_3],       %[temp_reg2]                \n\t"
+            "multu %[C_1],       %[temp_reg3]                              \n\t"
+            "sra   %[temp_reg1], %[temp_reg2], 31                          \n\t"
+            "move  %[t1],        $0                                        \n\t"
+            "sra   %[temp_reg3], %[temp_reg3], 31                          \n\t"
+            "movn  %[t1],        %[C_3],       %[temp_reg1]                \n\t"
+            "mfhi  %[temp_reg1], $ac3                                      \n\t"
+            "mfhi  %[temp_reg4]                                            \n\t"
+            "move  %[t2],        $0                                        \n\t"
+            "movn  %[t2],        %[C_1],       %[temp_reg3]                \n\t"
+            "sub   %[temp_reg3], %[t6],        %[t8]                       \n\t"
+            "sub   %[t2],        %[temp_reg4], %[t2]                       \n\t"
+            "multu $ac1,         %[C_7],       %[temp_reg3]                \n\t"
+            "sub   %[temp_reg1], %[temp_reg1], %[temp_reg2]                \n\t"
+            "sra   %[temp_reg4], %[temp_reg3], 31                          \n\t"
+            "sub   %[t1],        %[temp_reg1], %[t1]                       \n\t"
+            "move  %[t3],        $0                                        \n\t"
+            "sw    %[t1],        4*4(%[tmp1])                              \n\t"
+            "movn  %[t3],        %[C_7],       %[temp_reg4]                \n\t"
+            "multu $ac2,         %[C_3A],      %[t4]                       \n\t"
+            "add   %[temp_reg2], %[t7],        %[t8]                       \n\t"
+            "move  %[t1],        $0                                        \n\t"
+            "mfhi  %[temp_reg4], $ac1                                      \n\t"
+            "multu $ac3,%[C_5],  %[temp_reg2]                              \n\t"
+            "move  %[t0],        $0                                        \n\t"
+            "sra   %[temp_reg1], %[temp_reg2], 31                          \n\t"
+            "movn  %[t1],%[C_5], %[temp_reg1]                              \n\t"
+            "sub   %[temp_reg4], %[temp_reg4], %[temp_reg3]                \n\t"
+            "mfhi  %[temp_reg1], $ac3                                      \n\t"
+            "sra   %[temp_reg3], %[t4],        31                          \n\t"
+            "movn  %[t0],        %[C_3A],      %[temp_reg3]                \n\t"
+            "mfhi  %[temp_reg3], $ac2                                      \n\t"
+            "sub   %[t3],        %[temp_reg4], %[t3]                       \n\t"
+            "add   %[temp_reg4], %[t3],        %[t2]                       \n\t"
+            "sub   %[temp_reg1], %[temp_reg1], %[temp_reg2]                \n\t"
+            "sub   %[t1],        %[temp_reg1], %[t1]                       \n\t"
+            "sub   %[t0],        %[temp_reg3], %[t0]                       \n\t"
+            "add   %[temp_reg1], %[t2],        %[t1]                       \n\t"
+            "add   %[temp_reg4], %[temp_reg4], %[t0]                       \n\t"
+            "sub   %[temp_reg2], %[t3],        %[t1]                       \n\t"
+            "sw    %[temp_reg4], 0*4(%[tmp1])                              \n\t"
+            "sub   %[temp_reg1], %[temp_reg1], %[t0]                       \n\t"
+            "sub   %[temp_reg2], %[temp_reg2], %[t0]                       \n\t"
+            "sw    %[temp_reg1], 12*4(%[tmp1])                             \n\t"
+            "sw    %[temp_reg2], 8*4(%[tmp1])                              \n\t"
+
+            : [t7] "=&r" (t7), [temp_reg1] "=&r" (temp_reg1),
+              [temp_reg2] "=&r" (temp_reg2), [temp_reg4] "=&r" (temp_reg4),
+              [temp_reg3] "=&r" (temp_reg3), [t8] "=&r" (t8), [t0] "=&r" (t0),
+              [t4] "=&r" (t4), [t5] "=&r" (t5), [t6] "=&r"(t6), [t2] "=&r" (t2),
+              [t3] "=&r" (t3), [t1] "=&r" (t1)
+            : [C_2] "r" (C_2), [in1] "r" (in1), [tmp1] "r" (tmp1), [C_8] "r" (C_8),
+              [C_4] "r" (C_4), [C_3] "r" (C_3), [C_1] "r" (C_1), [C_7] "r" (C_7),
+              [C_3A] "r" (C_3A), [C_5] "r" (C_5)
+            : "hi", "lo"
+         );
+    }
+
+    /**
+    * loop is unrolled four times
+    *
+    * values defined in tables(icos36[] and icos36h[]) are not loaded from
+    * these tables - they are directly loaded in appropriate registers
+    *
+    */
+
+    __asm__ __volatile__ (
+        "lw     %[t2],        1*4(%[tmp])                                  \n\t"
+        "lw     %[t3],        3*4(%[tmp])                                  \n\t"
+        "lw     %[t0],        0*4(%[tmp])                                  \n\t"
+        "lw     %[t1],        2*4(%[tmp])                                  \n\t"
+        "addu   %[temp_reg1], %[t3],        %[t2]                          \n\t"
+        "li     %[temp_reg2], 0x807D2B1E                                   \n\t"
+        "move   %[s1],        $0                                           \n\t"
+        "multu  %[temp_reg2], %[temp_reg1]                                 \n\t"
+        "sra    %[temp_reg1], %[temp_reg1], 31                             \n\t"
+        "movn   %[s1],        %[temp_reg2], %[temp_reg1]                   \n\t"
+        "sub    %[temp_reg3], %[t3],        %[t2]                          \n\t"
+        "li     %[temp_reg4], 0x2de5151                                    \n\t"
+        "mfhi   %[temp_reg2]                                               \n\t"
+        "addu   %[s0],        %[t1],        %[t0]                          \n\t"
+        "lw     %[temp_reg5], 9*4(%[win])                                  \n\t"
+        "mult   $ac1,         %[temp_reg4], %[temp_reg3]                   \n\t"
+        "lw     %[temp_reg6], 4*9*4(%[buf])                                \n\t"
+        "sub    %[s2],        %[t1],        %[t0]                          \n\t"
+        "lw     %[temp_reg3], 29*4(%[win])                                 \n\t"
+        "subu   %[s1],        %[temp_reg2], %[s1]                          \n\t"
+        "lw     %[temp_reg4], 28*4(%[win])                                 \n\t"
+        "add    %[t0],        %[s0],        %[s1]                          \n\t"
+        "extr.w %[s3],        $ac1,23                                      \n\t"
+        "mult   $ac2,         %[t0],        %[temp_reg3]                   \n\t"
+        "sub    %[t1],        %[s0],        %[s1]                          \n\t"
+        "lw     %[temp_reg1], 4*8*4(%[buf])                                \n\t"
+        "mult   %[t1],        %[temp_reg5]                                 \n\t"
+        "lw     %[temp_reg2], 8*4(%[win])                                  \n\t"
+        "mfhi   %[temp_reg3], $ac2                                         \n\t"
+        "mult   $ac3,         %[t0],        %[temp_reg4]                   \n\t"
+        "add    %[t0],        %[s2],        %[s3]                          \n\t"
+        "mfhi   %[temp_reg5]                                               \n\t"
+        "mult   $ac1,         %[t1],        %[temp_reg2]                   \n\t"
+        "sub    %[t1],        %[s2],        %[s3]                          \n\t"
+        "sw     %[temp_reg3], 4*9*4(%[buf])                                \n\t"
+        "mfhi   %[temp_reg4], $ac3                                         \n\t"
+        "lw     %[temp_reg3], 37*4(%[win])                                 \n\t"
+        "mfhi   %[temp_reg2], $ac1                                         \n\t"
+        "add    %[temp_reg5], %[temp_reg5], %[temp_reg6]                   \n\t"
+        "lw     %[temp_reg6], 17*4(%[win])                                 \n\t"
+        "sw     %[temp_reg5], 32*9*4(%[out])                               \n\t"
+        "sw     %[temp_reg4], 4*8*4(%[buf])                                \n\t"
+        "mult   %[t1],        %[temp_reg6]                                 \n\t"
+        "add    %[temp_reg1], %[temp_reg1], %[temp_reg2]                   \n\t"
+        "lw     %[temp_reg2], 0*4(%[win])                                  \n\t"
+        "lw     %[temp_reg5], 4*17*4(%[buf])                               \n\t"
+        "sw     %[temp_reg1], 8*32*4(%[out])                               \n\t"
+        "mfhi   %[temp_reg6]                                               \n\t"
+        "mult   $ac1,         %[t1],        %[temp_reg2]                   \n\t"
+        "lw     %[temp_reg4], 20*4(%[win])                                 \n\t"
+        "lw     %[temp_reg1], 0(%[buf])                                    \n\t"
+        "mult   $ac2,         %[t0],        %[temp_reg3]                   \n\t"
+        "mult   %[t0],        %[temp_reg4]                                 \n\t"
+        "mfhi   %[temp_reg2], $ac1                                         \n\t"
+        "lw     %[t0],        4*4(%[tmp])                                  \n\t"
+        "add    %[temp_reg5], %[temp_reg5], %[temp_reg6]                   \n\t"
+        "mfhi   %[temp_reg3], $ac2                                         \n\t"
+        "mfhi   %[temp_reg4]                                               \n\t"
+        "sw     %[temp_reg5], 17*32*4(%[out])                              \n\t"
+        "lw     %[t1],        6*4(%[tmp])                                  \n\t"
+        "add    %[temp_reg1], %[temp_reg1], %[temp_reg2]                   \n\t"
+        "lw     %[t2],        5*4(%[tmp])                                  \n\t"
+        "sw     %[temp_reg1], 0*32*4(%[out])                               \n\t"
+        "addu   %[s0],        %[t1],        %[t0]                          \n\t"
+        "sw     %[temp_reg3], 4*17*4(%[buf])                               \n\t"
+        "lw     %[t3],        7*4(%[tmp])                                  \n\t"
+        "sub    %[s2],        %[t1],        %[t0]                          \n\t"
+        "sw     %[temp_reg4], 0(%[buf])                                    \n\t"
+        "addu   %[temp_reg5], %[t3],        %[t2]                          \n\t"
+        "li     %[temp_reg6], 0x8483EE0C                                   \n\t"
+        "move   %[s1],        $0                                           \n\t"
+        "multu  %[temp_reg6], %[temp_reg5]                                 \n\t"
+        "sub    %[temp_reg1], %[t3],        %[t2]                          \n\t"
+        "li     %[temp_reg2], 0xf746ea                                     \n\t"
+        "sra    %[temp_reg5], %[temp_reg5], 31                             \n\t"
+        "mult   $ac1,         %[temp_reg2], %[temp_reg1]                   \n\t"
+        "movn   %[s1],        %[temp_reg6], %[temp_reg5]                   \n\t"
+        "mfhi   %[temp_reg5]                                               \n\t"
+        "lw     %[temp_reg3], 10*4(%[win])                                 \n\t"
+        "lw     %[temp_reg4], 4*10*4(%[buf])                               \n\t"
+        "extr.w %[s3],        $ac1,         23                             \n\t"
+        "lw     %[temp_reg1], 4*7*4(%[buf])                                \n\t"
+        "lw     %[temp_reg2], 7*4(%[win])                                  \n\t"
+        "lw     %[temp_reg6], 30*4(%[win])                                 \n\t"
+        "subu   %[s1],        %[temp_reg5], %[s1]                          \n\t"
+        "sub    %[t1],        %[s0],        %[s1]                          \n\t"
+        "add    %[t0],        %[s0],        %[s1]                          \n\t"
+        "mult   $ac2,         %[t1],        %[temp_reg3]                   \n\t"
+        "mult   $ac3,         %[t1],        %[temp_reg2]                   \n\t"
+        "mult   %[t0],        %[temp_reg6]                                 \n\t"
+        "lw     %[temp_reg5], 27*4(%[win])                                 \n\t"
+        "mult   $ac1,         %[t0],        %[temp_reg5]                   \n\t"
+        "mfhi   %[temp_reg3], $ac2                                         \n\t"
+        "mfhi   %[temp_reg2], $ac3                                         \n\t"
+        "mfhi   %[temp_reg6]                                               \n\t"
+        "add    %[t0],        %[s2],        %[s3]                          \n\t"
+        "sub    %[t1],        %[s2],        %[s3]                          \n\t"
+        "add    %[temp_reg3], %[temp_reg3], %[temp_reg4]                   \n\t"
+        "lw     %[temp_reg4], 16*4(%[win])                                 \n\t"
+        "mfhi   %[temp_reg5], $ac1                                         \n\t"
+        "sw     %[temp_reg3], 32*10*4(%[out])                              \n\t"
+        "add    %[temp_reg1], %[temp_reg1], %[temp_reg2]                   \n\t"
+        "lw     %[temp_reg3], 4*16*4(%[buf])                               \n\t"
+        "sw     %[temp_reg6], 4*10*4(%[buf])                               \n\t"
+        "sw     %[temp_reg1], 7*32*4(%[out])                               \n\t"
+        "mult   $ac2,         %[t1],        %[temp_reg4]                   \n\t"
+        "sw     %[temp_reg5], 4*7*4(%[buf])                                \n\t"
+        "lw     %[temp_reg6], 1*4(%[win])                                  \n\t"
+        "lw     %[temp_reg5], 4*1*4(%[buf])                                \n\t"
+        "lw     %[temp_reg1], 36*4(%[win])                                 \n\t"
+        "mult   $ac3,         %[t1],        %[temp_reg6]                   \n\t"
+        "lw     %[temp_reg2], 21*4(%[win])                                 \n\t"
+        "mfhi   %[temp_reg4], $ac2                                         \n\t"
+        "mult   %[t0],        %[temp_reg1]                                 \n\t"
+        "mult   $ac1,         %[t0],%[temp_reg2]                           \n\t"
+        "lw     %[t0],        8*4(%[tmp])                                  \n\t"
+        "mfhi   %[temp_reg6], $ac3                                         \n\t"
+        "lw     %[t1],        10*4(%[tmp])                                 \n\t"
+        "lw     %[t3],        11*4(%[tmp])                                 \n\t"
+        "mfhi   %[temp_reg1]                                               \n\t"
+        "add    %[temp_reg3], %[temp_reg3], %[temp_reg4]                   \n\t"
+        "lw     %[t2],        9*4(%[tmp])                                  \n\t"
+        "mfhi   %[temp_reg2], $ac1                                         \n\t"
+        "add    %[temp_reg5], %[temp_reg5], %[temp_reg6]                   \n\t"
+        "sw     %[temp_reg3], 16*32*4(%[out])                              \n\t"
+        "sw     %[temp_reg5], 1*32*4(%[out])                               \n\t"
+        "sw     %[temp_reg1], 4*16*4(%[buf])                               \n\t"
+        "addu   %[temp_reg3], %[t3],        %[t2]                          \n\t"
+        "li     %[temp_reg4], 0x8D3B7CD6                                   \n\t"
+        "sw     %[temp_reg2], 4*1*4(%[buf])                                \n\t"
+        "multu  %[temp_reg4],%[temp_reg3]                                  \n\t"
+        "sra    %[temp_reg3], %[temp_reg3], 31                             \n\t"
+        "move   %[s1],        $0                                           \n\t"
+        "movn   %[s1],        %[temp_reg4], %[temp_reg3]                   \n\t"
+        "addu   %[s0],        %[t1],        %[t0]                          \n\t"
+        "mfhi   %[temp_reg3]                                               \n\t"
+        "sub    %[s2],        %[t1],        %[t0]                          \n\t"
+        "sub    %[temp_reg5], %[t3],        %[t2]                          \n\t"
+        "li     %[temp_reg6], 0x976fd9                                     \n\t"
+        "lw     %[temp_reg2], 11*4(%[win])                                 \n\t"
+        "lw     %[temp_reg1], 4*11*4(%[buf])                               \n\t"
+        "mult   $ac1,         %[temp_reg6], %[temp_reg5]                   \n\t"
+        "subu   %[s1],        %[temp_reg3], %[s1]                          \n\t"
+        "lw     %[temp_reg5], 31*4(%[win])                                 \n\t"
+        "sub    %[t1],        %[s0],        %[s1]                          \n\t"
+        "add    %[t0],        %[s0],        %[s1]                          \n\t"
+        "mult   $ac2,         %[t1],        %[temp_reg2]                   \n\t"
+        "mult   %[t0],        %[temp_reg5]                                 \n\t"
+        "lw     %[temp_reg4], 6*4(%[win])                                  \n\t"
+        "extr.w %[s3],        $ac1,         23                             \n\t"
+        "lw     %[temp_reg3], 4*6*4(%[buf])                                \n\t"
+        "mfhi   %[temp_reg2], $ac2                                         \n\t"
+        "lw     %[temp_reg6], 26*4(%[win])                                 \n\t"
+        "mfhi   %[temp_reg5]                                               \n\t"
+        "mult   $ac3,         %[t1],        %[temp_reg4]                   \n\t"
+        "mult   $ac1,         %[t0],        %[temp_reg6]                   \n\t"
+        "add    %[t0],        %[s2],        %[s3]                          \n\t"
+        "sub    %[t1],        %[s2],        %[s3]                          \n\t"
+        "add    %[temp_reg2], %[temp_reg2], %[temp_reg1]                   \n\t"
+        "mfhi   %[temp_reg4], $ac3                                         \n\t"
+        "mfhi   %[temp_reg6], $ac1                                         \n\t"
+        "sw     %[temp_reg5], 4*11*4(%[buf])                               \n\t"
+        "sw     %[temp_reg2], 32*11*4(%[out])                              \n\t"
+        "lw     %[temp_reg1], 4*15*4(%[buf])                               \n\t"
+        "add    %[temp_reg3], %[temp_reg3], %[temp_reg4]                   \n\t"
+        "lw     %[temp_reg2], 15*4(%[win])                                 \n\t"
+        "sw     %[temp_reg3], 6*32*4(%[out])                               \n\t"
+        "sw     %[temp_reg6], 4*6*4(%[buf])                                \n\t"
+        "mult   %[t1],        %[temp_reg2]                                 \n\t"
+        "lw     %[temp_reg3], 2*4(%[win])                                  \n\t"
+        "lw     %[temp_reg4], 4*2*4(%[buf])                                \n\t"
+        "lw     %[temp_reg5], 35*4(%[win])                                 \n\t"
+        "mult   $ac1,         %[t1],        %[temp_reg3]                   \n\t"
+        "mfhi   %[temp_reg2]                                               \n\t"
+        "lw     %[temp_reg6], 22*4(%[win])                                 \n\t"
+        "mult   $ac2,         %[t0],        %[temp_reg5]                   \n\t"
+        "lw     %[t1],        14*4(%[tmp])                                 \n\t"
+        "mult   $ac3,         %[t0],        %[temp_reg6]                   \n\t"
+        "lw     %[t0],        12*4(%[tmp])                                 \n\t"
+        "mfhi   %[temp_reg3], $ac1                                         \n\t"
+        "add    %[temp_reg1], %[temp_reg1], %[temp_reg2]                   \n\t"
+        "mfhi   %[temp_reg5], $ac2                                         \n\t"
+        "sw     %[temp_reg1], 15*32*4(%[out])                              \n\t"
+        "mfhi   %[temp_reg6], $ac3                                         \n\t"
+        "lw     %[t2],        13*4(%[tmp])                                 \n\t"
+        "lw     %[t3],        15*4(%[tmp])                                 \n\t"
+        "add    %[temp_reg4], %[temp_reg4], %[temp_reg3]                   \n\t"
+        "sw     %[temp_reg5], 4*15*4(%[buf])                               \n\t"
+        "addu   %[temp_reg1], %[t3],        %[t2]                          \n\t"
+        "li     %[temp_reg2], 0x9C42577C                                   \n\t"
+        "move   %[s1],        $0                                           \n\t"
+        "multu  %[temp_reg2], %[temp_reg1]                                 \n\t"
+        "sw     %[temp_reg4], 2*32*4(%[out])                               \n\t"
+        "sra    %[temp_reg1], %[temp_reg1], 31                             \n\t"
+        "movn   %[s1],        %[temp_reg2], %[temp_reg1]                   \n\t"
+        "sub    %[temp_reg3], %[t3],        %[t2]                          \n\t"
+        "li     %[temp_reg4], 0x6f94a2                                     \n\t"
+        "mfhi   %[temp_reg1]                                               \n\t"
+        "addu   %[s0],        %[t1],        %[t0]                          \n\t"
+        "sw     %[temp_reg6], 4*2*4(%[buf])                                \n\t"
+        "mult   $ac1,         %[temp_reg4], %[temp_reg3]                   \n\t"
+        "sub    %[s2],        %[t1],        %[t0]                          \n\t"
+        "lw     %[temp_reg5], 12*4(%[win])                                 \n\t"
+        "lw     %[temp_reg6], 4*12*4(%[buf])                               \n\t"
+        "subu   %[s1],        %[temp_reg1], %[s1]                          \n\t"
+        "sub    %[t1],        %[s0],        %[s1]                          \n\t"
+        "lw     %[temp_reg3], 32*4(%[win])                                 \n\t"
+        "mult   $ac2,         %[t1],        %[temp_reg5]                   \n\t"
+        "add    %[t0],        %[s0],        %[s1]                          \n\t"
+        "extr.w %[s3],        $ac1,         23                             \n\t"
+        "lw     %[temp_reg2], 5*4(%[win])                                  \n\t"
+        "mult   %[t0],        %[temp_reg3]                                 \n\t"
+        "mfhi   %[temp_reg5], $ac2                                         \n\t"
+        "lw     %[temp_reg4], 25*4(%[win])                                 \n\t"
+        "lw     %[temp_reg1], 4*5*4(%[buf])                                \n\t"
+        "mult   $ac3,         %[t1],        %[temp_reg2]                   \n\t"
+        "mult   $ac1,         %[t0],        %[temp_reg4]                   \n\t"
+        "mfhi   %[temp_reg3]                                               \n\t"
+        "add    %[t0],        %[s2],        %[s3]                          \n\t"
+        "add    %[temp_reg5], %[temp_reg5], %[temp_reg6]                   \n\t"
+        "mfhi   %[temp_reg2], $ac3                                         \n\t"
+        "mfhi   %[temp_reg4], $ac1                                         \n\t"
+        "sub    %[t1],        %[s2],        %[s3]                          \n\t"
+        "sw     %[temp_reg5], 32*12*4(%[out])                              \n\t"
+        "sw     %[temp_reg3], 4*12*4(%[buf])                               \n\t"
+        "lw     %[temp_reg6], 14*4(%[win])                                 \n\t"
+        "lw     %[temp_reg5], 4*14*4(%[buf])                               \n\t"
+        "add    %[temp_reg1], %[temp_reg1], %[temp_reg2]                   \n\t"
+        "sw     %[temp_reg4], 4*5*4(%[buf])                                \n\t"
+        "sw     %[temp_reg1], 5*32*4(%[out])                               \n\t"
+        "mult   %[t1],        %[temp_reg6]                                 \n\t"
+        "lw     %[temp_reg4], 34*4(%[win])                                 \n\t"
+        "lw     %[temp_reg2], 3*4(%[win])                                  \n\t"
+        "lw     %[temp_reg1], 4*3*4(%[buf])                                \n\t"
+        "mult   $ac2,         %[t0],        %[temp_reg4]                   \n\t"
+        "mfhi   %[temp_reg6]                                               \n\t"
+        "mult   $ac1,         %[t1],        %[temp_reg2]                   \n\t"
+        "lw     %[temp_reg3], 23*4(%[win])                                 \n\t"
+        "lw     %[s0],        16*4(%[tmp])                                 \n\t"
+        "mfhi   %[temp_reg4], $ac2                                         \n\t"
+        "lw     %[t1],        17*4(%[tmp])                                 \n\t"
+        "mult   $ac3,         %[t0],        %[temp_reg3]                   \n\t"
+        "move   %[s1],        $0                                           \n\t"
+        "add    %[temp_reg5], %[temp_reg5], %[temp_reg6]                   \n\t"
+        "mfhi   %[temp_reg2], $ac1                                         \n\t"
+        "sw     %[temp_reg5], 14*32*4(%[out])                              \n\t"
+        "sw     %[temp_reg4], 4*14*4(%[buf])                               \n\t"
+        "mfhi   %[temp_reg3], $ac3                                         \n\t"
+        "li     %[temp_reg5], 0xB504F334                                   \n\t"
+        "add    %[temp_reg1], %[temp_reg1], %[temp_reg2]                   \n\t"
+        "multu  %[temp_reg5], %[t1]                                        \n\t"
+        "lw     %[temp_reg2], 4*13*4(%[buf])                               \n\t"
+        "sw     %[temp_reg1], 3*32*4(%[out])                               \n\t"
+        "sra    %[t1],        %[t1],        31                             \n\t"
+        "mfhi   %[temp_reg6]                                               \n\t"
+        "movn   %[s1],        %[temp_reg5], %[t1]                          \n\t"
+        "sw     %[temp_reg3], 4*3*4(%[buf])                                \n\t"
+        "lw     %[temp_reg1], 13*4(%[win])                                 \n\t"
+        "lw     %[temp_reg4], 4*4*4(%[buf])                                \n\t"
+        "lw     %[temp_reg3], 4*4(%[win])                                  \n\t"
+        "lw     %[temp_reg5], 33*4(%[win])                                 \n\t"
+        "subu   %[s1],        %[temp_reg6], %[s1]                          \n\t"
+        "lw     %[temp_reg6], 24*4(%[win])                                 \n\t"
+        "sub    %[t1],        %[s0],        %[s1]                          \n\t"
+        "add    %[t0],        %[s0],        %[s1]                          \n\t"
+        "mult   $ac1,         %[t1],        %[temp_reg1]                   \n\t"
+        "mult   $ac2,         %[t1],        %[temp_reg3]                   \n\t"
+        "mult   $ac3,         %[t0],        %[temp_reg5]                   \n\t"
+        "mult   %[t0],        %[temp_reg6]                                 \n\t"
+        "mfhi   %[temp_reg1], $ac1                                         \n\t"
+        "mfhi   %[temp_reg3], $ac2                                         \n\t"
+        "mfhi   %[temp_reg5], $ac3                                         \n\t"
+        "mfhi   %[temp_reg6]                                               \n\t"
+        "add    %[temp_reg2], %[temp_reg2], %[temp_reg1]                   \n\t"
+        "add    %[temp_reg4], %[temp_reg4], %[temp_reg3]                   \n\t"
+        "sw     %[temp_reg2], 13*32*4(%[out])                              \n\t"
+        "sw     %[temp_reg4], 4*32*4(%[out])                               \n\t"
+        "sw     %[temp_reg5], 4*13*4(%[buf])                               \n\t"
+        "sw     %[temp_reg6], 4*4*4(%[buf])                                \n\t"
+
+        : [t0] "=&r" (t0), [t1] "=&r" (t1), [t2] "=&r" (t2), [t3] "=&r" (t3),
+          [s0] "=&r" (s0), [s2] "=&r" (s2), [temp_reg1] "=&r" (temp_reg1),
+          [temp_reg2] "=&r" (temp_reg2), [s1] "=&r" (s1), [s3] "=&r" (s3),
+          [temp_reg3] "=&r" (temp_reg3), [temp_reg4] "=&r" (temp_reg4),
+          [temp_reg5] "=&r" (temp_reg5), [temp_reg6] "=&r" (temp_reg6),
+          [out] "+r" (out)
+        : [tmp] "r" (tmp), [win] "r" (win), [buf] "r" (buf)
+        : "hi", "lo"
+    );
+}
+
+static void ff_imdct36_blocks_mips_fixed(int *out, int *buf, int *in,
+                               int count, int switch_point, int block_type)
+{
+    int j;
+    for (j=0 ; j < count; j++) {
+        /* apply window & overlap with previous buffer */
+
+        /* select window */
+        int win_idx = (switch_point && j < 2) ? 0 : block_type;
+        int *win = ff_mdct_win_fixed[win_idx + (4 & -(j & 1))];
+
+        imdct36_mips_fixed(out, buf, in, win);
+
+        in  += 18;
+        buf += ((j&3) != 3 ? 1 : (72-3));
+        out++;
+    }
+}
+
+void ff_mpadsp_init_mipsdspr1(MPADSPContext *s)
+{
+    s->apply_window_fixed   = ff_mpadsp_apply_window_mips_fixed;
+    s->imdct36_blocks_fixed = ff_imdct36_blocks_mips_fixed;
+}
diff --git a/libavcodec/mips/mpegaudiodsp_mips_float.c b/libavcodec/mips/mpegaudiodsp_mips_float.c
new file mode 100644 (file)
index 0000000..2516c5a
--- /dev/null
@@ -0,0 +1,1242 @@
+/*
+ * Copyright (c) 2012
+ *      MIPS Technologies, Inc., California.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the MIPS Technologies, Inc., nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE MIPS TECHNOLOGIES, INC. ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE MIPS TECHNOLOGIES, INC. BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * Author:  Bojan Zivkovic (bojan@mips.com)
+ *
+ * MPEG Audio decoder optimized for MIPS floating-point architecture
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file
+ * Reference: libavcodec/mpegaudiodsp_template.c
+ *            libavcodec/dct32.c
+ */
+
+#include <string.h>
+
+#include "libavcodec/mpegaudiodsp.h"
+
+static void ff_mpadsp_apply_window_mips_float(float *synth_buf, float *window,
+                               int *dither_state, float *samples, int incr)
+{
+    register const float *w, *w2, *p;
+    int j;
+    float *samples2;
+    float sum, sum2;
+    /* temporary variables */
+    int incr1 = incr << 2;
+    int t_sample;
+    float in1, in2, in3, in4, in5, in6, in7, in8;
+    float *p2;
+
+    /* copy to avoid wrap */
+    memcpy(synth_buf + 512, synth_buf, 32 * sizeof(*synth_buf));
+
+    /**
+    * instructions are scheduled to minimize pipeline stall.
+    * use of round_sample function from the original code is
+    * changed with appropriate assembly instructions.
+    */
+
+    __asm__ __volatile__ (
+        "lwc1    %[sum],      0(%[dither_state])                            \t\n"
+        "sll     %[t_sample], %[incr1],     5                               \t\n"
+        "sub     %[t_sample], %[t_sample],  %[incr1]                        \n\t"
+        "li      %[j],        4                                             \t\n"
+        "lwc1    %[in1],      0(%[window])                                  \t\n"
+        "lwc1    %[in2],      16*4(%[synth_buf])                            \t\n"
+        "sw      $zero,       0(%[dither_state])                            \t\n"
+        "lwc1    %[in3],      64*4(%[window])                               \t\n"
+        "lwc1    %[in4],      80*4(%[synth_buf])                            \t\n"
+        "addu    %[samples2], %[samples],   %[t_sample]                     \t\n"
+        "madd.s  %[sum],      %[sum],       %[in1], %[in2]                  \t\n"
+        "lwc1    %[in5],      128*4(%[window])                              \t\n"
+        "lwc1    %[in6],      144*4(%[synth_buf])                           \t\n"
+        "lwc1    %[in7],      192*4(%[window])                              \t\n"
+        "madd.s  %[sum],      %[sum],       %[in3], %[in4]                  \t\n"
+        "lwc1    %[in8],      208*4(%[synth_buf])                           \t\n"
+        "lwc1    %[in1],      256*4(%[window])                              \t\n"
+        "lwc1    %[in2],      272*4(%[synth_buf])                           \t\n"
+        "madd.s  %[sum],      %[sum],       %[in5], %[in6]                  \t\n"
+        "lwc1    %[in3],      320*4(%[window])                              \t\n"
+        "lwc1    %[in4],      336*4(%[synth_buf])                           \t\n"
+        "lwc1    %[in5],      384*4(%[window])                              \t\n"
+        "madd.s  %[sum],      %[sum],       %[in7], %[in8]                  \t\n"
+        "lwc1    %[in6],      400*4(%[synth_buf])                           \t\n"
+        "lwc1    %[in7],      448*4(%[window])                              \t\n"
+        "lwc1    %[in8],      464*4(%[synth_buf])                           \t\n"
+        "madd.s  %[sum],      %[sum],       %[in1], %[in2]                  \t\n"
+        "lwc1    %[in1],      32*4(%[window])                               \t\n"
+        "lwc1    %[in2],      48*4(%[synth_buf])                            \t\n"
+        "madd.s  %[sum],      %[sum],       %[in3], %[in4]                  \t\n"
+        "lwc1    %[in3],      96*4(%[window])                               \t\n"
+        "lwc1    %[in4],      112*4(%[synth_buf])                           \t\n"
+        "madd.s  %[sum],      %[sum],       %[in5], %[in6]                  \t\n"
+        "lwc1    %[in5],      160*4(%[window])                              \t\n"
+        "lwc1    %[in6],      176*4(%[synth_buf])                           \t\n"
+        "madd.s  %[sum],      %[sum],       %[in7], %[in8]                  \t\n"
+        "lwc1    %[in7],      224*4(%[window])                              \t\n"
+        "lwc1    %[in8],      240*4(%[synth_buf])                           \t\n"
+        "nmsub.s %[sum],      %[sum],       %[in1], %[in2]                  \t\n"
+        "lwc1    %[in1],      288*4(%[window])                              \t\n"
+        "lwc1    %[in2],      304*4(%[synth_buf])                           \t\n"
+        "nmsub.s %[sum],      %[sum],       %[in3], %[in4]                  \t\n"
+        "lwc1    %[in3],      352*4(%[window])                              \t\n"
+        "lwc1    %[in4],      368*4(%[synth_buf])                           \t\n"
+        "nmsub.s %[sum],      %[sum],       %[in5], %[in6]                  \t\n"
+        "lwc1    %[in5],      416*4(%[window])                              \t\n"
+        "lwc1    %[in6],      432*4(%[synth_buf])                           \t\n"
+        "nmsub.s %[sum],      %[sum],       %[in7], %[in8]                  \t\n"
+        "lwc1    %[in7],      480*4(%[window])                              \t\n"
+        "lwc1    %[in8],      496*4(%[synth_buf])                           \t\n"
+        "nmsub.s %[sum],      %[sum],       %[in1], %[in2]                  \t\n"
+        "addu    %[w],        %[window],    4                               \t\n"
+        "nmsub.s %[sum],      %[sum],       %[in3], %[in4]                  \t\n"
+        "addu    %[w2],       %[window],    124                             \t\n"
+        "addiu   %[p],        %[synth_buf], 68                              \t\n"
+        "addiu   %[p2],       %[synth_buf], 188                             \t\n"
+        "nmsub.s %[sum],      %[sum],       %[in5], %[in6]                  \t\n"
+        "nmsub.s %[sum],      %[sum],       %[in7], %[in8]                  \t\n"
+        "swc1    %[sum],      0(%[samples])                                 \t\n"
+        "addu    %[samples],  %[samples],   %[incr1]                        \t\n"
+
+        /* calculate two samples at the same time to avoid one memory
+           access per two sample */
+
+        "ff_mpadsp_apply_window_loop%=:                                     \t\n"
+        "lwc1    %[in1],      0(%[w])                                       \t\n"
+        "lwc1    %[in2],      0(%[p])                                       \t\n"
+        "lwc1    %[in3],      0(%[w2])                                      \t\n"
+        "lwc1    %[in4],      64*4(%[w])                                    \t\n"
+        "lwc1    %[in5],      64*4(%[p])                                    \t\n"
+        "lwc1    %[in6],      64*4(%[w2])                                   \t\n"
+        "mul.s   %[sum],      %[in1],       %[in2]                          \t\n"
+        "mul.s   %[sum2],     %[in2],       %[in3]                          \t\n"
+        "lwc1    %[in1],      128*4(%[w])                                   \t\n"
+        "lwc1    %[in2],      128*4(%[p])                                   \t\n"
+        "madd.s  %[sum],      %[sum],       %[in4], %[in5]                  \t\n"
+        "nmadd.s %[sum2],     %[sum2],      %[in5], %[in6]                  \t\n"
+        "lwc1    %[in3],      128*4(%[w2])                                  \t\n"
+        "lwc1    %[in4],      192*4(%[w])                                   \t\n"
+        "madd.s  %[sum],      %[sum],       %[in1], %[in2]                  \t\n"
+        "lwc1    %[in5],      192*4(%[p])                                   \t\n"
+        "lwc1    %[in6],      192*4(%[w2])                                  \t\n"
+        "nmsub.s %[sum2],     %[sum2],      %[in2], %[in3]                  \t\n"
+        "lwc1    %[in1],      256*4(%[w])                                   \t\n"
+        "lwc1    %[in2],      256*4(%[p])                                   \t\n"
+        "madd.s  %[sum],      %[sum],       %[in4], %[in5]                  \t\n"
+        "nmsub.s %[sum2],     %[sum2],      %[in5], %[in6]                  \t\n"
+        "lwc1    %[in3],      256*4(%[w2])                                  \t\n"
+        "lwc1    %[in4],      320*4(%[w])                                   \t\n"
+        "madd.s  %[sum],      %[sum],       %[in1], %[in2]                  \t\n"
+        "lwc1    %[in5],      320*4(%[p])                                   \t\n"
+        "lwc1    %[in6],      320*4(%[w2])                                  \t\n"
+        "nmsub.s %[sum2],     %[sum2],      %[in2], %[in3]                  \t\n"
+        "lwc1    %[in1],      384*4(%[w])                                   \t\n"
+        "lwc1    %[in2],      384*4(%[p])                                   \t\n"
+        "madd.s  %[sum],      %[sum],       %[in4], %[in5]                  \t\n"
+        "nmsub.s %[sum2],     %[sum2],      %[in5], %[in6]                  \t\n"
+        "lwc1    %[in3],      384*4(%[w2])                                  \t\n"
+        "lwc1    %[in4],      448*4(%[w])                                   \t\n"
+        "madd.s  %[sum],      %[sum],       %[in1], %[in2]                  \t\n"
+        "lwc1    %[in5],      448*4(%[p])                                   \t\n"
+        "lwc1    %[in6],      448*4(%[w2])                                  \t\n"
+        "nmsub.s %[sum2],     %[sum2],      %[in2], %[in3]                  \t\n"
+        "madd.s  %[sum],      %[sum],       %[in4], %[in5]                  \t\n"
+        "lwc1    %[in1],      32*4(%[w])                                    \t\n"
+        "lwc1    %[in2],      0(%[p2])                                      \t\n"
+        "nmsub.s %[sum2],     %[sum2],      %[in5], %[in6]                  \t\n"
+        "lwc1    %[in3],      32*4(%[w2])                                   \t\n"
+        "lwc1    %[in4],      96*4(%[w])                                    \t\n"
+        "lwc1    %[in5],      64*4(%[p2])                                   \t\n"
+        "nmsub.s %[sum],      %[sum],       %[in1], %[in2]                  \t\n"
+        "lwc1    %[in6],      96*4(%[w2])                                   \t\n"
+        "nmsub.s %[sum2],     %[sum2],      %[in2], %[in3]                  \t\n"
+        "lwc1    %[in1],      160*4(%[w])                                   \t\n"
+        "nmsub.s %[sum],      %[sum],       %[in4], %[in5]                  \t\n"
+        "lwc1    %[in2],      128*4(%[p2])                                  \t\n"
+        "nmsub.s %[sum2],     %[sum2],      %[in5], %[in6]                  \t\n"
+        "lwc1    %[in3],      160*4(%[w2])                                  \t\n"
+        "lwc1    %[in4],      224*4(%[w])                                   \t\n"
+        "lwc1    %[in5],      192*4(%[p2])                                  \t\n"
+        "nmsub.s %[sum],      %[sum],       %[in1], %[in2]                  \t\n"
+        "lwc1    %[in6],      224*4(%[w2])                                  \t\n"
+        "nmsub.s %[sum2],     %[sum2],      %[in2], %[in3]                  \t\n"
+        "lwc1    %[in1],      288*4(%[w])                                   \t\n"
+        "nmsub.s %[sum],      %[sum],       %[in4], %[in5]                  \t\n"
+        "lwc1    %[in2],      256*4(%[p2])                                  \t\n"
+        "nmsub.s %[sum2],     %[sum2],      %[in5], %[in6]                  \t\n"
+        "lwc1    %[in3],      288*4(%[w2])                                  \t\n"
+        "lwc1    %[in4],      352*4(%[w])                                   \t\n"
+        "lwc1    %[in5],      320*4(%[p2])                                  \t\n"
+        "nmsub.s %[sum],      %[sum],       %[in1], %[in2]                  \t\n"
+        "lwc1    %[in6],      352*4(%[w2])                                  \t\n"
+        "nmsub.s %[sum2],     %[sum2],      %[in2], %[in3]                  \t\n"
+        "lwc1    %[in1],      416*4(%[w])                                   \t\n"
+        "nmsub.s %[sum],      %[sum],       %[in4], %[in5]                  \t\n"
+        "lwc1    %[in2],      384*4(%[p2])                                  \t\n"
+        "nmsub.s %[sum2],     %[sum2],      %[in5], %[in6]                  \t\n"
+        "lwc1    %[in3],      416*4(%[w2])                                  \t\n"
+        "lwc1    %[in4],      480*4(%[w])                                   \t\n"
+        "lwc1    %[in5],      448*4(%[p2])                                  \t\n"
+        "nmsub.s %[sum],      %[sum],       %[in1], %[in2]                  \t\n"
+        "lwc1    %[in6],      480*4(%[w2])                                  \t\n"
+        "nmsub.s %[sum2],     %[sum2],      %[in2], %[in3]                  \t\n"
+        "addiu   %[w],        %[w],         4                               \t\n"
+        "nmsub.s %[sum],      %[sum],       %[in4], %[in5]                  \t\n"
+        "addiu   %[w2],       %[w2],        -4                              \t\n"
+        "nmsub.s %[sum2],     %[sum2],      %[in5], %[in6]                  \t\n"
+        "addu    %[j],        %[j],         4                               \t\n"
+        "addiu   %[p],        4                                             \t\n"
+        "swc1    %[sum],      0(%[samples])                                 \t\n"
+        "addiu   %[p2],       -4                                            \t\n"
+        "swc1    %[sum2],     0(%[samples2])                                \t\n"
+        "addu    %[samples],  %[samples],   %[incr1]                        \t\n"
+        "subu    %[samples2], %[samples2],  %[incr1]                        \t\n"
+        "bne     %[j],        64,           ff_mpadsp_apply_window_loop%=   \t\n"
+
+        "lwc1    %[in1],      48*4(%[window])                               \t\n"
+        "lwc1    %[in2],      32*4(%[synth_buf])                            \t\n"
+        "lwc1    %[in3],      112*4(%[window])                              \t\n"
+        "lwc1    %[in4],      96*4(%[synth_buf])                            \t\n"
+        "lwc1    %[in5],      176*4(%[window])                              \t\n"
+        "lwc1    %[in6],      160*4(%[synth_buf])                           \t\n"
+        "mul.s   %[sum],      %[in1],       %[in2]                          \t\n"
+        "lwc1    %[in7],      240*4(%[window])                              \t\n"
+        "lwc1    %[in8],      224*4(%[synth_buf])                           \t\n"
+        "lwc1    %[in1],      304*4(%[window])                              \t\n"
+        "nmadd.s %[sum],      %[sum],       %[in3], %[in4]                  \t\n"
+        "lwc1    %[in2],      288*4(%[synth_buf])                           \t\n"
+        "lwc1    %[in3],      368*4(%[window])                              \t\n"
+        "lwc1    %[in4],      352*4(%[synth_buf])                           \t\n"
+        "nmsub.s %[sum],      %[sum],       %[in5], %[in6]                  \t\n"
+        "nmsub.s %[sum],      %[sum],       %[in7], %[in8]                  \t\n"
+        "lwc1    %[in5],      432*4(%[window])                              \t\n"
+        "lwc1    %[in6],      416*4(%[synth_buf])                           \t\n"
+        "nmsub.s %[sum],      %[sum],       %[in1], %[in2]                  \t\n"
+        "lwc1    %[in7],      496*4(%[window])                              \t\n"
+        "lwc1    %[in8],      480*4(%[synth_buf])                           \t\n"
+        "nmsub.s %[sum],      %[sum],       %[in3], %[in4]                  \t\n"
+        "nmsub.s %[sum],      %[sum],       %[in5], %[in6]                  \t\n"
+        "nmsub.s %[sum],      %[sum],       %[in7], %[in8]                  \t\n"
+        "swc1    %[sum],      0(%[samples])                                 \t\n"
+
+        : [sum] "=&f" (sum), [sum2] "=&f" (sum2),
+          [w2] "=&r" (w2),   [w] "=&r" (w),
+          [p] "=&r" (p), [p2] "=&r" (p2), [j] "=&r" (j),
+          [samples] "+r" (samples), [samples2] "=&r" (samples2),
+          [in1] "=&f" (in1), [in2] "=&f" (in2),
+          [in3] "=&f" (in3), [in4] "=&f" (in4),
+          [in5] "=&f" (in5), [in6] "=&f" (in6),
+          [in7] "=&f" (in7), [in8] "=&f" (in8),
+          [t_sample] "=&r" (t_sample)
+        : [synth_buf] "r" (synth_buf), [window] "r" (window),
+          [dither_state] "r" (dither_state), [incr1] "r" (incr1)
+    );
+}
+
+static void ff_dct32_mips_float(float *out, const float *tab)
+{
+    float val0 , val1 , val2 , val3 , val4 , val5 , val6 , val7,
+          val8 , val9 , val10, val11, val12, val13, val14, val15,
+          val16, val17, val18, val19, val20, val21, val22, val23,
+          val24, val25, val26, val27, val28, val29, val30, val31;
+    float fTmp1, fTmp2, fTmp3, fTmp4, fTmp5, fTmp6, fTmp7, fTmp8,
+          fTmp9, fTmp10, fTmp11;
+
+    /**
+    * instructions are scheduled to minimize pipeline stall.
+    */
+    __asm__ __volatile__ (
+        "lwc1       %[fTmp1],       0*4(%[tab])                             \n\t"
+        "lwc1       %[fTmp2],       31*4(%[tab])                            \n\t"
+        "lwc1       %[fTmp3],       15*4(%[tab])                            \n\t"
+        "lwc1       %[fTmp4],       16*4(%[tab])                            \n\t"
+        "li.s       %[fTmp7],       0.50241928618815570551                  \n\t"
+        "add.s      %[fTmp5],       %[fTmp1],       %[fTmp2]                \n\t"
+        "sub.s      %[fTmp8],       %[fTmp1],       %[fTmp2]                \n\t"
+        "add.s      %[fTmp6],       %[fTmp3],       %[fTmp4]                \n\t"
+        "sub.s      %[fTmp9],       %[fTmp3],       %[fTmp4]                \n\t"
+        "li.s       %[fTmp10],      0.50060299823519630134                  \n\t"
+        "li.s       %[fTmp11],      10.19000812354805681150                 \n\t"
+        "mul.s      %[fTmp8],       %[fTmp8],       %[fTmp10]               \n\t"
+        "add.s      %[val0],        %[fTmp5],       %[fTmp6]                \n\t"
+        "sub.s      %[val15],       %[fTmp5],       %[fTmp6]                \n\t"
+        "lwc1       %[fTmp1],       7*4(%[tab])                             \n\t"
+        "lwc1       %[fTmp2],       24*4(%[tab])                            \n\t"
+        "madd.s     %[val16],       %[fTmp8],       %[fTmp9],   %[fTmp11]   \n\t"
+        "nmsub.s    %[val31],       %[fTmp8],       %[fTmp9],   %[fTmp11]   \n\t"
+        "mul.s      %[val15],       %[val15],       %[fTmp7]                \n\t"
+        "lwc1       %[fTmp3],       8*4(%[tab])                             \n\t"
+        "lwc1       %[fTmp4],       23*4(%[tab])                            \n\t"
+        "add.s      %[fTmp5],       %[fTmp1],       %[fTmp2]                \n\t"
+        "mul.s      %[val31],       %[val31],       %[fTmp7]                \n\t"
+        "sub.s      %[fTmp8],       %[fTmp1],       %[fTmp2]                \n\t"
+        "add.s      %[fTmp6],       %[fTmp3],       %[fTmp4]                \n\t"
+        "sub.s      %[fTmp9],       %[fTmp3],       %[fTmp4]                \n\t"
+        "li.s       %[fTmp7],       5.10114861868916385802                  \n\t"
+        "li.s       %[fTmp10],      0.67480834145500574602                  \n\t"
+        "li.s       %[fTmp11],      0.74453627100229844977                  \n\t"
+        "add.s      %[val7],        %[fTmp5],       %[fTmp6]                \n\t"
+        "sub.s      %[val8],        %[fTmp5],       %[fTmp6]                \n\t"
+        "mul.s      %[fTmp8],       %[fTmp8],       %[fTmp10]               \n\t"
+        "li.s       %[fTmp1],       0.50979557910415916894                  \n\t"
+        "sub.s      %[fTmp2],       %[val0],        %[val7]                 \n\t"
+        "mul.s      %[val8],        %[val8],        %[fTmp7]                \n\t"
+        "madd.s     %[val23],       %[fTmp8],       %[fTmp9],   %[fTmp11]   \n\t"
+        "nmsub.s    %[val24],       %[fTmp8],       %[fTmp9],   %[fTmp11]   \n\t"
+        "add.s      %[val0],        %[val0],        %[val7]                 \n\t"
+        "mul.s      %[val7],        %[fTmp1],       %[fTmp2]                \n\t"
+        "sub.s      %[fTmp2],       %[val15],       %[val8]                 \n\t"
+        "add.s      %[val8],        %[val15],       %[val8]                 \n\t"
+        "mul.s      %[val24],       %[val24],       %[fTmp7]                \n\t"
+        "sub.s      %[fTmp3],       %[val16],       %[val23]                \n\t"
+        "add.s      %[val16],       %[val16],       %[val23]                \n\t"
+        "mul.s      %[val15],       %[fTmp1],       %[fTmp2]                \n\t"
+        "sub.s      %[fTmp4],       %[val31],       %[val24]                \n\t"
+        "mul.s      %[val23],       %[fTmp1],       %[fTmp3]                \n\t"
+        "add.s      %[val24],       %[val31],       %[val24]                \n\t"
+        "mul.s      %[val31],       %[fTmp1],       %[fTmp4]                \n\t"
+
+        : [fTmp1]  "=&f" (fTmp1),  [fTmp2] "=&f" (fTmp2), [fTmp3] "=&f" (fTmp3),
+          [fTmp4]  "=&f" (fTmp4),  [fTmp5] "=&f" (fTmp5), [fTmp6] "=&f" (fTmp6),
+          [fTmp7]  "=&f" (fTmp7),  [fTmp8] "=&f" (fTmp8), [fTmp9] "=&f" (fTmp9),
+          [fTmp10] "=&f" (fTmp10), [fTmp11] "=&f" (fTmp11),
+          [val0]  "=f" (val0),  [val7]  "=f" (val7),
+          [val8]  "=f" (val8),  [val15] "=f" (val15),
+          [val16] "=f" (val16), [val23] "=f" (val23),
+          [val24] "=f" (val24), [val31] "=f" (val31)
+        : [tab] "r" (tab)
+    );
+
+    __asm__ __volatile__ (
+        "lwc1       %[fTmp1],       3*4(%[tab])                             \n\t"
+        "lwc1       %[fTmp2],       28*4(%[tab])                            \n\t"
+        "lwc1       %[fTmp3],       12*4(%[tab])                            \n\t"
+        "lwc1       %[fTmp4],       19*4(%[tab])                            \n\t"
+        "li.s       %[fTmp7],       0.64682178335999012954                  \n\t"
+        "add.s      %[fTmp5],       %[fTmp1],       %[fTmp2]                \n\t"
+        "sub.s      %[fTmp8],       %[fTmp1],       %[fTmp2]                \n\t"
+        "add.s      %[fTmp6],       %[fTmp3],       %[fTmp4]                \n\t"
+        "sub.s      %[fTmp9],       %[fTmp3],       %[fTmp4]                \n\t"
+        "li.s       %[fTmp10],      0.53104259108978417447                  \n\t"
+        "li.s       %[fTmp11],      1.48416461631416627724                  \n\t"
+        "mul.s      %[fTmp8],       %[fTmp8],       %[fTmp10]               \n\t"
+        "add.s      %[val3],        %[fTmp5],       %[fTmp6]                \n\t"
+        "sub.s      %[val12],       %[fTmp5],       %[fTmp6]                \n\t"
+        "lwc1       %[fTmp1],       4*4(%[tab])                             \n\t"
+        "lwc1       %[fTmp2],       27*4(%[tab])                            \n\t"
+        "madd.s     %[val19],       %[fTmp8],       %[fTmp9],   %[fTmp11]   \n\t"
+        "nmsub.s    %[val28],       %[fTmp8],       %[fTmp9],   %[fTmp11]   \n\t"
+        "mul.s      %[val12],       %[val12],       %[fTmp7]                \n\t"
+        "lwc1       %[fTmp3],       11*4(%[tab])                            \n\t"
+        "lwc1       %[fTmp4],       20*4(%[tab])                            \n\t"
+        "add.s      %[fTmp5],       %[fTmp1],       %[fTmp2]                \n\t"
+        "mul.s      %[val28],       %[val28],       %[fTmp7]                \n\t"
+        "sub.s      %[fTmp8],       %[fTmp1],       %[fTmp2]                \n\t"
+        "li.s       %[fTmp7],       0.78815462345125022473                  \n\t"
+        "add.s      %[fTmp6],       %[fTmp3],       %[fTmp4]                \n\t"
+        "sub.s      %[fTmp9],       %[fTmp3],       %[fTmp4]                \n\t"
+        "li.s       %[fTmp10],      0.55310389603444452782                  \n\t"
+        "li.s       %[fTmp11],      1.16943993343288495515                  \n\t"
+        "mul.s      %[fTmp8],       %[fTmp8],       %[fTmp10]               \n\t"
+        "add.s      %[val4],        %[fTmp5],       %[fTmp6]                \n\t"
+        "sub.s      %[val11],       %[fTmp5],       %[fTmp6]                \n\t"
+        "li.s       %[fTmp1],       2.56291544774150617881                  \n\t"
+        "madd.s     %[val20],       %[fTmp8],       %[fTmp9],   %[fTmp11]   \n\t"
+        "nmsub.s    %[val27],       %[fTmp8],       %[fTmp9],   %[fTmp11]   \n\t"
+        "mul.s      %[val11],       %[val11],       %[fTmp7]                \n\t"
+        "sub.s      %[fTmp2],       %[val3],        %[val4]                 \n\t"
+        "add.s      %[val3],        %[val3],        %[val4]                 \n\t"
+        "sub.s      %[fTmp4],       %[val19],       %[val20]                \n\t"
+        "mul.s      %[val27],       %[val27],       %[fTmp7]                \n\t"
+        "sub.s      %[fTmp3],       %[val12],       %[val11]                \n\t"
+        "mul.s      %[val4],        %[fTmp1],       %[fTmp2]                \n\t"
+        "add.s      %[val11],       %[val12],       %[val11]                \n\t"
+        "add.s      %[val19],       %[val19],       %[val20]                \n\t"
+        "mul.s      %[val20],       %[fTmp1],       %[fTmp4]                \n\t"
+        "mul.s      %[val12],       %[fTmp1],       %[fTmp3]                \n\t"
+        "sub.s      %[fTmp2],       %[val28],       %[val27]                \n\t"
+        "add.s      %[val27],       %[val28],       %[val27]                \n\t"
+        "mul.s      %[val28],       %[fTmp1],       %[fTmp2]                \n\t"
+
+        : [fTmp1]  "=&f" (fTmp1),  [fTmp2]  "=&f" (fTmp2), [fTmp3] "=&f" (fTmp3),
+          [fTmp4]  "=&f" (fTmp4),  [fTmp5]  "=&f" (fTmp5), [fTmp6] "=&f" (fTmp6),
+          [fTmp7]  "=&f" (fTmp7),  [fTmp8]  "=&f" (fTmp8), [fTmp9] "=&f" (fTmp9),
+          [fTmp10] "=&f" (fTmp10), [fTmp11] "=&f" (fTmp11),
+          [val3]  "=f" (val3),  [val4]  "=f" (val4),
+          [val11] "=f" (val11), [val12] "=f" (val12),
+          [val19] "=f" (val19), [val20] "=f" (val20),
+          [val27] "=f" (val27), [val28] "=f" (val28)
+        : [tab] "r" (tab)
+    );
+
+    __asm__ __volatile__ (
+        "li.s       %[fTmp1],       0.54119610014619698439                  \n\t"
+        "sub.s      %[fTmp2],       %[val0],        %[val3]                 \n\t"
+        "add.s      %[val0],        %[val0],        %[val3]                 \n\t"
+        "sub.s      %[fTmp3],       %[val7],        %[val4]                 \n\t"
+        "add.s      %[val4],        %[val7],        %[val4]                 \n\t"
+        "sub.s      %[fTmp4],       %[val8],        %[val11]                \n\t"
+        "mul.s      %[val3],        %[fTmp1],       %[fTmp2]                \n\t"
+        "add.s      %[val8],        %[val8],        %[val11]                \n\t"
+        "mul.s      %[val7],        %[fTmp1],       %[fTmp3]                \n\t"
+        "sub.s      %[fTmp2],       %[val15],       %[val12]                \n\t"
+        "mul.s      %[val11],       %[fTmp1],       %[fTmp4]                \n\t"
+        "add.s      %[val12],       %[val15],       %[val12]                \n\t"
+        "mul.s      %[val15],       %[fTmp1],       %[fTmp2]                \n\t"
+
+        : [val0]  "+f" (val0),   [val3] "+f" (val3),
+          [val4]  "+f" (val4),   [val7] "+f" (val7),
+          [val8]  "+f" (val8),   [val11] "+f" (val11),
+          [val12] "+f" (val12),  [val15] "+f" (val15),
+          [fTmp1] "=f"  (fTmp1), [fTmp2] "=&f" (fTmp2),
+          [fTmp3] "=&f" (fTmp3), [fTmp4] "=&f" (fTmp4)
+        :
+    );
+
+    __asm__ __volatile__ (
+        "sub.s      %[fTmp2],       %[val16],       %[val19]                \n\t"
+        "add.s      %[val16],       %[val16],       %[val19]                \n\t"
+        "sub.s      %[fTmp3],       %[val23],       %[val20]                \n\t"
+        "add.s      %[val20],       %[val23],       %[val20]                \n\t"
+        "sub.s      %[fTmp4],       %[val24],       %[val27]                \n\t"
+        "mul.s      %[val19],       %[fTmp1],       %[fTmp2]                \n\t"
+        "add.s      %[val24],       %[val24],       %[val27]                \n\t"
+        "mul.s      %[val23],       %[fTmp1],       %[fTmp3]                \n\t"
+        "sub.s      %[fTmp2],       %[val31],       %[val28]                \n\t"
+        "mul.s      %[val27],       %[fTmp1],       %[fTmp4]                \n\t"
+        "add.s      %[val28],       %[val31],       %[val28]                \n\t"
+        "mul.s      %[val31],       %[fTmp1],       %[fTmp2]                \n\t"
+
+        : [fTmp2] "=&f" (fTmp2), [fTmp3] "=&f" (fTmp3), [fTmp4] "=&f" (fTmp4),
+          [val16] "+f" (val16), [val19] "+f" (val19), [val20] "+f" (val20),
+          [val23] "+f" (val23), [val24] "+f" (val24), [val27] "+f" (val27),
+          [val28] "+f" (val28), [val31] "+f" (val31)
+        : [fTmp1] "f" (fTmp1)
+    );
+
+    __asm__ __volatile__ (
+        "lwc1       %[fTmp1],       1*4(%[tab])                             \n\t"
+        "lwc1       %[fTmp2],       30*4(%[tab])                            \n\t"
+        "lwc1       %[fTmp3],       14*4(%[tab])                            \n\t"
+        "lwc1       %[fTmp4],       17*4(%[tab])                            \n\t"
+        "li.s       %[fTmp7],       0.52249861493968888062                  \n\t"
+        "add.s      %[fTmp5],       %[fTmp1],       %[fTmp2]                \n\t"
+        "sub.s      %[fTmp8],       %[fTmp1],       %[fTmp2]                \n\t"
+        "add.s      %[fTmp6],       %[fTmp3],       %[fTmp4]                \n\t"
+        "sub.s      %[fTmp9],       %[fTmp3],       %[fTmp4]                \n\t"
+        "li.s       %[fTmp10],      0.50547095989754365998                  \n\t"
+        "li.s       %[fTmp11],      3.40760841846871878570                  \n\t"
+        "mul.s      %[fTmp8],       %[fTmp8],       %[fTmp10]               \n\t"
+        "add.s      %[val1],        %[fTmp5],       %[fTmp6]                \n\t"
+        "sub.s      %[val14],       %[fTmp5],       %[fTmp6]                \n\t"
+        "lwc1       %[fTmp1],       6*4(%[tab])                             \n\t"
+        "lwc1       %[fTmp2],       25*4(%[tab])                            \n\t"
+        "madd.s     %[val17],       %[fTmp8],       %[fTmp9],   %[fTmp11]   \n\t"
+        "nmsub.s    %[val30],       %[fTmp8],       %[fTmp9],   %[fTmp11]   \n\t"
+        "mul.s      %[val14],       %[val14],       %[fTmp7]                \n\t"
+        "lwc1       %[fTmp3],       9*4(%[tab])                             \n\t"
+        "lwc1       %[fTmp4],       22*4(%[tab])                            \n\t"
+        "add.s      %[fTmp5],       %[fTmp1],       %[fTmp2]                \n\t"
+        "mul.s      %[val30],       %[val30],       %[fTmp7]                \n\t"
+        "sub.s      %[fTmp8],       %[fTmp1],       %[fTmp2]                \n\t"
+        "add.s      %[fTmp6],       %[fTmp3],       %[fTmp4]                \n\t"
+        "sub.s      %[fTmp9],       %[fTmp3],       %[fTmp4]                \n\t"
+        "li.s       %[fTmp7],       1.72244709823833392782                  \n\t"
+        "li.s       %[fTmp10],      0.62250412303566481615                  \n\t"
+        "li.s       %[fTmp11],      0.83934964541552703873                  \n\t"
+        "add.s      %[val6],        %[fTmp5],       %[fTmp6]                \n\t"
+        "sub.s      %[val9],        %[fTmp5],       %[fTmp6]                \n\t"
+        "mul.s      %[fTmp8],       %[fTmp8],       %[fTmp10]               \n\t"
+        "li.s       %[fTmp1],       0.60134488693504528054                  \n\t"
+        "sub.s      %[fTmp2],       %[val1],        %[val6]                 \n\t"
+        "add.s      %[val1],        %[val1],        %[val6]                 \n\t"
+        "mul.s      %[val9],        %[val9],        %[fTmp7]                \n\t"
+        "madd.s     %[val22],       %[fTmp8],       %[fTmp9],   %[fTmp11]   \n\t"
+        "nmsub.s    %[val25],       %[fTmp8],       %[fTmp9],   %[fTmp11]   \n\t"
+        "mul.s      %[val6],        %[fTmp1],       %[fTmp2]                \n\t"
+        "sub.s      %[fTmp2],       %[val14],       %[val9]                 \n\t"
+        "add.s      %[val9],        %[val14],       %[val9]                 \n\t"
+        "mul.s      %[val25],       %[val25],       %[fTmp7]                \n\t"
+        "sub.s      %[fTmp3],       %[val17],       %[val22]                \n\t"
+        "add.s      %[val17],       %[val17],       %[val22]                \n\t"
+        "mul.s      %[val14],       %[fTmp1],       %[fTmp2]                \n\t"
+        "sub.s      %[fTmp2],       %[val30],       %[val25]                \n\t"
+        "mul.s      %[val22],       %[fTmp1],       %[fTmp3]                \n\t"
+        "add.s      %[val25],       %[val30],       %[val25]                \n\t"
+        "mul.s      %[val30],       %[fTmp1],       %[fTmp2]                \n\t"
+
+        : [fTmp1]  "=&f" (fTmp1),  [fTmp2]  "=&f" (fTmp2), [fTmp3] "=&f" (fTmp3),
+          [fTmp4]  "=&f" (fTmp4),  [fTmp5]  "=&f" (fTmp5), [fTmp6] "=&f" (fTmp6),
+          [fTmp7]  "=&f" (fTmp7),  [fTmp8]  "=&f" (fTmp8), [fTmp9] "=&f" (fTmp9),
+          [fTmp10] "=&f" (fTmp10), [fTmp11] "=&f" (fTmp11),
+          [val1]  "=f" (val1),  [val6]  "=f" (val6),
+          [val9]  "=f" (val9),  [val14] "=f" (val14),
+          [val17] "=f" (val17), [val22] "=f" (val22),
+          [val25] "=f" (val25), [val30] "=f" (val30)
+        : [tab] "r" (tab)
+    );
+
+    __asm__ __volatile__ (
+        "lwc1       %[fTmp1],       2*4(%[tab])                             \n\t"
+        "lwc1       %[fTmp2],       29*4(%[tab])                            \n\t"
+        "lwc1       %[fTmp3],       13*4(%[tab])                            \n\t"
+        "lwc1       %[fTmp4],       18*4(%[tab])                            \n\t"
+        "li.s       %[fTmp7],       0.56694403481635770368                  \n\t"
+        "add.s      %[fTmp5],       %[fTmp1],       %[fTmp2]                \n\t"
+        "sub.s      %[fTmp8],       %[fTmp1],       %[fTmp2]                \n\t"
+        "add.s      %[fTmp6],       %[fTmp3],       %[fTmp4]                \n\t"
+        "sub.s      %[fTmp9],       %[fTmp3],       %[fTmp4]                \n\t"
+        "li.s       %[fTmp10],      0.51544730992262454697                  \n\t"
+        "li.s       %[fTmp11],      2.05778100995341155085                  \n\t"
+        "mul.s      %[fTmp8],       %[fTmp8],       %[fTmp10]               \n\t"
+        "add.s      %[val2],        %[fTmp5],       %[fTmp6]                \n\t"
+        "sub.s      %[val13],       %[fTmp5],       %[fTmp6]                \n\t"
+        "lwc1       %[fTmp1],       5*4(%[tab])                             \n\t"
+        "lwc1       %[fTmp2],       26*4(%[tab])                            \n\t"
+        "madd.s     %[val18],       %[fTmp8],       %[fTmp9],   %[fTmp11]   \n\t"
+        "nmsub.s    %[val29],       %[fTmp8],       %[fTmp9],   %[fTmp11]   \n\t"
+        "mul.s      %[val13],       %[val13],       %[fTmp7]                \n\t"
+        "lwc1       %[fTmp3],       10*4(%[tab])                            \n\t"
+        "lwc1       %[fTmp4],       21*4(%[tab])                            \n\t"
+        "mul.s      %[val29],       %[val29],       %[fTmp7]                \n\t"
+        "add.s      %[fTmp5],       %[fTmp1],       %[fTmp2]                \n\t"
+        "sub.s      %[fTmp8],       %[fTmp1],       %[fTmp2]                \n\t"
+        "add.s      %[fTmp6],       %[fTmp3],       %[fTmp4]                \n\t"
+        "sub.s      %[fTmp9],       %[fTmp3],       %[fTmp4]                \n\t"
+        "li.s       %[fTmp7],       1.06067768599034747134                  \n\t"
+        "li.s       %[fTmp10],      0.58293496820613387367                  \n\t"
+        "li.s       %[fTmp11],      0.97256823786196069369                  \n\t"
+        "add.s      %[val5],        %[fTmp5],       %[fTmp6]                \n\t"
+        "sub.s      %[val10],       %[fTmp5],       %[fTmp6]                \n\t"
+        "mul.s      %[fTmp8],       %[fTmp8],       %[fTmp10]               \n\t"
+        "li.s       %[fTmp1],       0.89997622313641570463                  \n\t"
+        "sub.s      %[fTmp2],       %[val2],        %[val5]                 \n\t"
+        "mul.s      %[val10],       %[val10],       %[fTmp7]                \n\t"
+        "madd.s     %[val21],       %[fTmp8],       %[fTmp9],   %[fTmp11]   \n\t"
+        "nmsub.s    %[val26],       %[fTmp8],       %[fTmp9],   %[fTmp11]   \n\t"
+        "add.s      %[val2],        %[val2],        %[val5]                 \n\t"
+        "mul.s      %[val5],        %[fTmp1],       %[fTmp2]                \n\t"
+        "sub.s      %[fTmp3],       %[val13],       %[val10]                \n\t"
+        "add.s      %[val10],       %[val13],       %[val10]                \n\t"
+        "mul.s      %[val26],       %[val26],       %[fTmp7]                \n\t"
+        "sub.s      %[fTmp4],       %[val18],       %[val21]                \n\t"
+        "add.s      %[val18],       %[val18],       %[val21]                \n\t"
+        "mul.s      %[val13],       %[fTmp1],       %[fTmp3]                \n\t"
+        "sub.s      %[fTmp2],       %[val29],       %[val26]                \n\t"
+        "add.s      %[val26],       %[val29],       %[val26]                \n\t"
+        "mul.s      %[val21],       %[fTmp1],       %[fTmp4]                \n\t"
+        "mul.s      %[val29],       %[fTmp1],       %[fTmp2]                \n\t"
+
+        : [fTmp1]  "=&f" (fTmp1),  [fTmp2]  "=&f" (fTmp2), [fTmp3] "=&f" (fTmp3),
+          [fTmp4]  "=&f" (fTmp4),  [fTmp5]  "=&f" (fTmp5), [fTmp6] "=&f" (fTmp6),
+          [fTmp7]  "=&f" (fTmp7),  [fTmp8]  "=&f" (fTmp8), [fTmp9] "=&f" (fTmp9),
+          [fTmp10] "=&f" (fTmp10), [fTmp11] "=&f" (fTmp11),
+          [val2]  "=f" (val2),  [val5]  "=f" (val5),
+          [val10] "=f" (val10), [val13] "=f" (val13),
+          [val18] "=f" (val18), [val21] "=f" (val21),
+          [val26] "=f" (val26), [val29] "=f" (val29)
+        : [tab] "r" (tab)
+    );
+
+    __asm__ __volatile__ (
+        "li.s       %[fTmp1],       1.30656296487637652785                  \n\t"
+        "sub.s      %[fTmp2],       %[val1],        %[val2]                 \n\t"
+        "add.s      %[val1],        %[val1],        %[val2]                 \n\t"
+        "sub.s      %[fTmp3],       %[val6],        %[val5]                 \n\t"
+        "add.s      %[val5],        %[val6],        %[val5]                 \n\t"
+        "sub.s      %[fTmp4],       %[val9],        %[val10]                \n\t"
+        "mul.s      %[val2],        %[fTmp1],       %[fTmp2]                \n\t"
+        "add.s      %[val9],        %[val9],        %[val10]                \n\t"
+        "mul.s      %[val6],        %[fTmp1],       %[fTmp3]                \n\t"
+        "sub.s      %[fTmp2],       %[val14],       %[val13]                \n\t"
+        "mul.s      %[val10],       %[fTmp1],       %[fTmp4]                \n\t"
+        "add.s      %[val13],       %[val14],       %[val13]                \n\t"
+        "mul.s      %[val14],       %[fTmp1],       %[fTmp2]                \n\t"
+
+        : [fTmp1] "=f"  (fTmp1), [fTmp2] "=&f" (fTmp2),
+          [fTmp3] "=&f" (fTmp3), [fTmp4] "=&f" (fTmp4),
+          [val1]  "+f" (val1),  [val2]  "+f" (val2),
+          [val5]  "+f" (val5),  [val6]  "+f" (val6),
+          [val9]  "+f" (val9),  [val10] "+f" (val10),
+          [val13] "+f" (val13), [val14] "+f" (val14)
+        :
+    );
+
+    __asm__ __volatile__ (
+        "sub.s      %[fTmp2],       %[val17],       %[val18]                \n\t"
+        "add.s      %[val17],       %[val17],       %[val18]                \n\t"
+        "sub.s      %[fTmp3],       %[val22],       %[val21]                \n\t"
+        "add.s      %[val21],       %[val22],       %[val21]                \n\t"
+        "sub.s      %[fTmp4],       %[val25],       %[val26]                \n\t"
+        "mul.s      %[val18],       %[fTmp1],       %[fTmp2]                \n\t"
+        "add.s      %[val25],       %[val25],       %[val26]                \n\t"
+        "mul.s      %[val22],       %[fTmp1],       %[fTmp3]                \n\t"
+        "sub.s      %[fTmp2],       %[val30],       %[val29]                \n\t"
+        "mul.s      %[val26],       %[fTmp1],       %[fTmp4]                \n\t"
+        "add.s      %[val29],       %[val30],       %[val29]                \n\t"
+        "mul.s      %[val30],       %[fTmp1],       %[fTmp2]                \n\t"
+
+        : [fTmp2] "=&f" (fTmp2), [fTmp3] "=&f" (fTmp3), [fTmp4] "=&f" (fTmp4),
+          [val17] "+f" (val17), [val18] "+f" (val18), [val21] "+f" (val21),
+          [val22] "+f" (val22), [val25] "+f" (val25), [val26] "+f" (val26),
+          [val29] "+f" (val29), [val30] "+f" (val30)
+        : [fTmp1] "f" (fTmp1)
+    );
+
+    __asm__ __volatile__ (
+        "li.s       %[fTmp1],       0.70710678118654752439                  \n\t"
+        "sub.s      %[fTmp2],       %[val0],        %[val1]                 \n\t"
+        "add.s      %[val0],        %[val0],        %[val1]                 \n\t"
+        "sub.s      %[fTmp3],       %[val3],        %[val2]                 \n\t"
+        "add.s      %[val2],        %[val3],        %[val2]                 \n\t"
+        "sub.s      %[fTmp4],       %[val4],        %[val5]                 \n\t"
+        "mul.s      %[val1],        %[fTmp1],       %[fTmp2]                \n\t"
+        "swc1       %[val0],        0(%[out])                               \n\t"
+        "mul.s      %[val3],        %[fTmp3],       %[fTmp1]                \n\t"
+        "add.s      %[val4],        %[val4],        %[val5]                 \n\t"
+        "mul.s      %[val5],        %[fTmp1],       %[fTmp4]                \n\t"
+        "swc1       %[val1],        16*4(%[out])                            \n\t"
+        "sub.s      %[fTmp2],       %[val7],        %[val6]                 \n\t"
+        "add.s      %[val2],        %[val2],        %[val3]                 \n\t"
+        "swc1       %[val3],        24*4(%[out])                            \n\t"
+        "add.s      %[val6],        %[val7],        %[val6]                 \n\t"
+        "mul.s      %[val7],        %[fTmp1],       %[fTmp2]                \n\t"
+        "swc1       %[val2],        8*4(%[out])                             \n\t"
+        "add.s      %[val6],        %[val6],        %[val7]                 \n\t"
+        "swc1       %[val7],        28*4(%[out])                            \n\t"
+        "add.s      %[val4],        %[val4],        %[val6]                 \n\t"
+        "add.s      %[val6],        %[val6],        %[val5]                 \n\t"
+        "add.s      %[val5],        %[val5],        %[val7]                 \n\t"
+        "swc1       %[val4],        4*4(%[out])                             \n\t"
+        "swc1       %[val5],        20*4(%[out])                            \n\t"
+        "swc1       %[val6],        12*4(%[out])                            \n\t"
+
+        : [fTmp1] "=f"  (fTmp1), [fTmp2] "=&f" (fTmp2),
+          [fTmp3] "=&f" (fTmp3), [fTmp4] "=&f" (fTmp4),
+          [val0] "+f" (val0), [val1] "+f" (val1),
+          [val2] "+f" (val2), [val3] "+f" (val3),
+          [val4] "+f" (val4), [val5] "+f" (val5),
+          [val6] "+f" (val6), [val7] "+f" (val7)
+        : [out] "r" (out)
+    );
+
+    __asm__ __volatile__ (
+        "sub.s      %[fTmp2],       %[val8],        %[val9]                 \n\t"
+        "add.s      %[val8],        %[val8],        %[val9]                 \n\t"
+        "sub.s      %[fTmp3],       %[val11],       %[val10]                \n\t"
+        "add.s      %[val10],       %[val11],       %[val10]                \n\t"
+        "sub.s      %[fTmp4],       %[val12],       %[val13]                \n\t"
+        "mul.s      %[val9],        %[fTmp1],       %[fTmp2]                \n\t"
+        "add.s      %[val12],       %[val12],       %[val13]                \n\t"
+        "mul.s      %[val11],       %[fTmp1],       %[fTmp3]                \n\t"
+        "sub.s      %[fTmp2],       %[val15],       %[val14]                \n\t"
+        "mul.s      %[val13],       %[fTmp1],       %[fTmp4]                \n\t"
+        "add.s      %[val14],       %[val15],       %[val14]                \n\t"
+        "add.s      %[val10],       %[val10],       %[val11]                \n\t"
+        "mul.s      %[val15],       %[fTmp1],       %[fTmp2]                \n\t"
+        "add.s      %[val14],       %[val14],       %[val15]                \n\t"
+        "add.s      %[val12],       %[val12],       %[val14]                \n\t"
+        "add.s      %[val14],       %[val14],       %[val13]                \n\t"
+        "add.s      %[val13],       %[val13],       %[val15]                \n\t"
+        "add.s      %[val8],        %[val8],        %[val12]                \n\t"
+        "add.s      %[val12],       %[val12],       %[val10]                \n\t"
+        "add.s      %[val10],       %[val10],       %[val14]                \n\t"
+        "add.s      %[val14],       %[val14],       %[val9]                 \n\t"
+        "add.s      %[val9],        %[val9],        %[val13]                \n\t"
+        "add.s      %[val13],       %[val13],       %[val11]                \n\t"
+        "add.s      %[val11],       %[val11],       %[val15]                \n\t"
+        "swc1       %[val8],         2*4(%[out])                            \n\t"
+        "swc1       %[val9],        18*4(%[out])                            \n\t"
+        "swc1       %[val10],       10*4(%[out])                            \n\t"
+        "swc1       %[val11],       26*4(%[out])                            \n\t"
+        "swc1       %[val12],        6*4(%[out])                            \n\t"
+        "swc1       %[val13],       22*4(%[out])                            \n\t"
+        "swc1       %[val14],       14*4(%[out])                            \n\t"
+        "swc1       %[val15],       30*4(%[out])                            \n\t"
+
+        : [fTmp2] "=&f" (fTmp2), [fTmp3] "=&f" (fTmp3), [fTmp4] "=&f" (fTmp4),
+          [val8]  "+f" (val8),  [val9]  "+f" (val9),  [val10] "+f" (val10),
+          [val11] "+f" (val11), [val12] "+f" (val12), [val13] "+f" (val13),
+          [val14] "+f" (val14), [val15] "+f" (val15)
+        : [fTmp1] "f" (fTmp1), [out] "r" (out)
+    );
+
+    __asm__ __volatile__ (
+        "sub.s      %[fTmp2],       %[val16],       %[val17]                \n\t"
+        "add.s      %[val16],       %[val16],       %[val17]                \n\t"
+        "sub.s      %[fTmp3],       %[val19],       %[val18]                \n\t"
+        "add.s      %[val18],       %[val19],       %[val18]                \n\t"
+        "sub.s      %[fTmp4],       %[val20],       %[val21]                \n\t"
+        "mul.s      %[val17],       %[fTmp1],       %[fTmp2]                \n\t"
+        "add.s      %[val20],       %[val20],       %[val21]                \n\t"
+        "mul.s      %[val19],       %[fTmp1],       %[fTmp3]                \n\t"
+        "sub.s      %[fTmp2],       %[val23],       %[val22]                \n\t"
+        "mul.s      %[val21],       %[fTmp1],       %[fTmp4]                \n\t"
+        "add.s      %[val22],       %[val23],       %[val22]                \n\t"
+        "add.s      %[val18],       %[val18],       %[val19]                \n\t"
+        "mul.s      %[val23],       %[fTmp1],       %[fTmp2]                \n\t"
+        "add.s      %[val22],       %[val22],       %[val23]                \n\t"
+        "add.s      %[val20],       %[val20],       %[val22]                \n\t"
+        "add.s      %[val22],       %[val22],       %[val21]                \n\t"
+        "add.s      %[val21],       %[val21],       %[val23]                \n\t"
+
+        : [fTmp2] "=&f" (fTmp2), [fTmp3] "=&f" (fTmp3), [fTmp4] "=&f" (fTmp4),
+          [val16] "+f" (val16), [val17] "+f" (val17), [val18] "+f" (val18),
+          [val19] "+f" (val19), [val20] "+f" (val20), [val21] "+f" (val21),
+          [val22] "+f" (val22), [val23] "+f" (val23)
+        : [fTmp1] "f" (fTmp1)
+    );
+
+    __asm__ __volatile__ (
+        "sub.s      %[fTmp2],       %[val24],       %[val25]                \n\t"
+        "add.s      %[val24],       %[val24],       %[val25]                \n\t"
+        "sub.s      %[fTmp3],       %[val27],       %[val26]                \n\t"
+        "add.s      %[val26],       %[val27],       %[val26]                \n\t"
+        "sub.s      %[fTmp4],       %[val28],       %[val29]                \n\t"
+        "mul.s      %[val25],       %[fTmp1],       %[fTmp2]                \n\t"
+        "add.s      %[val28],       %[val28],       %[val29]                \n\t"
+        "mul.s      %[val27],       %[fTmp1],       %[fTmp3]                \n\t"
+        "sub.s      %[fTmp2],       %[val31],       %[val30]                \n\t"
+        "mul.s      %[val29],       %[fTmp1],       %[fTmp4]                \n\t"
+        "add.s      %[val30],       %[val31],       %[val30]                \n\t"
+        "add.s      %[val26],       %[val26],       %[val27]                \n\t"
+        "mul.s      %[val31],       %[fTmp1],       %[fTmp2]                \n\t"
+        "add.s      %[val30],       %[val30],       %[val31]                \n\t"
+        "add.s      %[val28],       %[val28],       %[val30]                \n\t"
+        "add.s      %[val30],       %[val30],       %[val29]                \n\t"
+        "add.s      %[val29],       %[val29],       %[val31]                \n\t"
+        "add.s      %[val24],       %[val24],       %[val28]                \n\t"
+        "add.s      %[val28],       %[val28],       %[val26]                \n\t"
+        "add.s      %[val26],       %[val26],       %[val30]                \n\t"
+        "add.s      %[val30],       %[val30],       %[val25]                \n\t"
+        "add.s      %[val25],       %[val25],       %[val29]                \n\t"
+        "add.s      %[val29],       %[val29],       %[val27]                \n\t"
+        "add.s      %[val27],       %[val27],       %[val31]                \n\t"
+
+        : [fTmp2] "=&f" (fTmp2), [fTmp3] "=&f" (fTmp3), [fTmp4] "=&f" (fTmp4),
+          [val24] "+f" (val24), [val25] "+f" (val25), [val26] "+f" (val26),
+          [val27] "+f" (val27), [val28] "+f" (val28), [val29] "+f" (val29),
+          [val30] "+f" (val30), [val31] "+f" (val31)
+        : [fTmp1] "f" (fTmp1)
+    );
+
+    out[ 1] = val16 + val24;
+    out[17] = val17 + val25;
+    out[ 9] = val18 + val26;
+    out[25] = val19 + val27;
+    out[ 5] = val20 + val28;
+    out[21] = val21 + val29;
+    out[13] = val22 + val30;
+    out[29] = val23 + val31;
+    out[ 3] = val24 + val20;
+    out[19] = val25 + val21;
+    out[11] = val26 + val22;
+    out[27] = val27 + val23;
+    out[ 7] = val28 + val18;
+    out[23] = val29 + val19;
+    out[15] = val30 + val17;
+    out[31] = val31;
+}
+
+static void imdct36_mips_float(float *out, float *buf, float *in, float *win)
+{
+    float t0, t1, t2, t3, s0, s1, s2, s3;
+    float tmp[18];
+    /* temporary variables */
+    float in1, in2, in3, in4, in5, in6;
+    float out1, out2, out3, out4, out5;
+    float c1, c2, c3, c4, c5, c6, c7, c8, c9;
+
+    /**
+    * all loops are unrolled totally, and instructions are scheduled to
+    * minimize pipeline stall. instructions of the first two loops are
+    * reorganized, in order to eliminate unnecessary readings and
+    * writings into array. values defined in macros and tables are
+    * eliminated - they are directly loaded in appropriate variables
+    */
+
+    /* loop 1 and 2 */
+    __asm__ __volatile__ (
+        "lwc1   %[in1],  17*4(%[in])                                    \t\n"
+        "lwc1   %[in2],  16*4(%[in])                                    \t\n"
+        "lwc1   %[in3],  15*4(%[in])                                    \t\n"
+        "lwc1   %[in4],  14*4(%[in])                                    \t\n"
+        "lwc1   %[in5],  13*4(%[in])                                    \t\n"
+        "lwc1   %[in6],  12*4(%[in])                                    \t\n"
+        "add.s  %[out1], %[in1],  %[in2]                                \t\n"
+        "add.s  %[out2], %[in2],  %[in3]                                \t\n"
+        "add.s  %[out3], %[in3],  %[in4]                                \t\n"
+        "add.s  %[out4], %[in4],  %[in5]                                \t\n"
+        "add.s  %[out5], %[in5],  %[in6]                                \t\n"
+        "lwc1   %[in1],  11*4(%[in])                                    \t\n"
+        "swc1   %[out2], 16*4(%[in])                                    \t\n"
+        "add.s  %[out1], %[out1], %[out3]                               \t\n"
+        "swc1   %[out4], 14*4(%[in])                                    \t\n"
+        "add.s  %[out3], %[out3], %[out5]                               \t\n"
+        "lwc1   %[in2],  10*4(%[in])                                    \t\n"
+        "lwc1   %[in3],  9*4(%[in])                                     \t\n"
+        "swc1   %[out1], 17*4(%[in])                                    \t\n"
+        "lwc1   %[in4],  8*4(%[in])                                     \t\n"
+        "swc1   %[out3], 15*4(%[in])                                    \t\n"
+        "add.s  %[out1], %[in6],  %[in1]                                \t\n"
+        "add.s  %[out2], %[in1],  %[in2]                                \t\n"
+        "add.s  %[out3], %[in2],  %[in3]                                \t\n"
+        "add.s  %[out4], %[in3],  %[in4]                                \t\n"
+        "lwc1   %[in5],  7*4(%[in])                                     \t\n"
+        "swc1   %[out1], 12*4(%[in])                                    \t\n"
+        "add.s  %[out5], %[out5], %[out2]                               \t\n"
+        "swc1   %[out3], 10*4(%[in])                                    \t\n"
+        "add.s  %[out2], %[out2], %[out4]                               \t\n"
+        "lwc1   %[in6],  6*4(%[in])                                     \t\n"
+        "lwc1   %[in1],  5*4(%[in])                                     \t\n"
+        "swc1   %[out5], 13*4(%[in])                                    \t\n"
+        "lwc1   %[in2],  4*4(%[in])                                     \t\n"
+        "swc1   %[out2], 11*4(%[in])                                    \t\n"
+        "add.s  %[out5], %[in4],  %[in5]                                \t\n"
+        "add.s  %[out1], %[in5],  %[in6]                                \t\n"
+        "add.s  %[out2], %[in6],  %[in1]                                \t\n"
+        "add.s  %[out3], %[in1],  %[in2]                                \t\n"
+        "lwc1   %[in3],  3*4(%[in])                                     \t\n"
+        "swc1   %[out5], 8*4(%[in])                                     \t\n"
+        "add.s  %[out4], %[out4], %[out1]                               \t\n"
+        "swc1   %[out2], 6*4(%[in])                                     \t\n"
+        "add.s  %[out1], %[out1], %[out3]                               \t\n"
+        "lwc1   %[in4],  2*4(%[in])                                     \t\n"
+        "lwc1   %[in5],  1*4(%[in])                                     \t\n"
+        "swc1   %[out4], 9*4(%[in])                                     \t\n"
+        "lwc1   %[in6],  0(%[in])                                       \t\n"
+        "swc1   %[out1], 7*4(%[in])                                     \t\n"
+        "add.s  %[out4], %[in2],  %[in3]                                \t\n"
+        "add.s  %[out5], %[in3],  %[in4]                                \t\n"
+        "add.s  %[out1], %[in4],  %[in5]                                \t\n"
+        "add.s  %[out2], %[in5],  %[in6]                                \t\n"
+        "swc1   %[out4], 4*4(%[in])                                     \t\n"
+        "add.s  %[out3], %[out3], %[out5]                               \t\n"
+        "swc1   %[out1], 2*4(%[in])                                     \t\n"
+        "add.s  %[out5], %[out5], %[out2]                               \t\n"
+        "swc1   %[out2], 1*4(%[in])                                     \t\n"
+        "swc1   %[out3], 5*4(%[in])                                     \t\n"
+        "swc1   %[out5], 3*4(%[in])                                     \t\n"
+
+        : [in1] "=&f" (in1), [in2] "=&f" (in2),
+          [in3] "=&f" (in3), [in4] "=&f" (in4),
+          [in5] "=&f" (in5), [in6] "=&f" (in6),
+          [out1] "=&f" (out1), [out2] "=&f" (out2),
+          [out3] "=&f" (out3), [out4] "=&f" (out4),
+          [out5] "=&f" (out5)
+        : [in] "r" (in)
+    );
+
+    /* loop 3 */
+    __asm__ __volatile__ (
+        "li.s    %[c1],   0.5                                           \t\n"
+        "lwc1    %[in1],  8*4(%[in])                                    \t\n"
+        "lwc1    %[in2],  16*4(%[in])                                   \t\n"
+        "lwc1    %[in3],  4*4(%[in])                                    \t\n"
+        "lwc1    %[in4],  0(%[in])                                      \t\n"
+        "lwc1    %[in5],  12*4(%[in])                                   \t\n"
+        "li.s    %[c2],   0.93969262078590838405                        \t\n"
+        "add.s   %[t2],   %[in1],  %[in2]                               \t\n"
+        "add.s   %[t0],   %[in1],  %[in3]                               \t\n"
+        "li.s    %[c3],   -0.76604444311897803520                       \t\n"
+        "madd.s  %[t3],   %[in4],  %[in5], %[c1]                        \t\n"
+        "sub.s   %[t1],   %[in4],  %[in5]                               \t\n"
+        "sub.s   %[t2],   %[t2],   %[in3]                               \t\n"
+        "mul.s   %[t0],   %[t0],   %[c2]                                \t\n"
+        "li.s    %[c4],   -0.17364817766693034885                       \t\n"
+        "li.s    %[c5],   -0.86602540378443864676                       \t\n"
+        "li.s    %[c6],   0.98480775301220805936                        \t\n"
+        "nmsub.s %[out1], %[t1],   %[t2],  %[c1]                        \t\n"
+        "add.s   %[out2], %[t1],   %[t2]                                \t\n"
+        "add.s   %[t2],   %[in2],  %[in3]                               \t\n"
+        "sub.s   %[t1],   %[in1],  %[in2]                               \t\n"
+        "sub.s   %[out3], %[t3],   %[t0]                                \t\n"
+        "swc1    %[out1], 6*4(%[tmp])                                   \t\n"
+        "swc1    %[out2], 16*4(%[tmp])                                  \t\n"
+        "mul.s   %[t2],   %[t2],   %[c3]                                \t\n"
+        "mul.s   %[t1],   %[t1],   %[c4]                                \t\n"
+        "add.s   %[out1], %[t3],   %[t0]                                \t\n"
+        "lwc1    %[in1],  10*4(%[in])                                   \t\n"
+        "lwc1    %[in2],  14*4(%[in])                                   \t\n"
+        "sub.s   %[out3], %[out3], %[t2]                                \t\n"
+        "add.s   %[out2], %[t3],   %[t2]                                \t\n"
+        "add.s   %[out1], %[out1], %[t1]                                \t\n"
+        "lwc1    %[in3],  2*4(%[in])                                    \t\n"
+        "lwc1    %[in4],  6*4(%[in])                                    \t\n"
+        "swc1    %[out3], 10*4(%[tmp])                                  \t\n"
+        "sub.s   %[out2], %[out2], %[t1]                                \t\n"
+        "swc1    %[out1], 2*4(%[tmp])                                   \t\n"
+        "add.s   %[out1], %[in1],  %[in2]                               \t\n"
+        "add.s   %[t2],   %[in1],  %[in3]                               \t\n"
+        "sub.s   %[t3],   %[in1],  %[in2]                               \t\n"
+        "swc1    %[out2], 14*4(%[tmp])                                  \t\n"
+        "li.s    %[c7],   -0.34202014332566873304                       \t\n"
+        "sub.s   %[out1], %[out1], %[in3]                               \t\n"
+        "mul.s   %[t2],   %[t2],   %[c6]                                \t\n"
+        "mul.s   %[t3],   %[t3],   %[c7]                                \t\n"
+        "li.s    %[c8],   0.86602540378443864676                        \t\n"
+        "mul.s   %[t0],   %[in4],  %[c8]                                \t\n"
+        "mul.s   %[out1], %[out1], %[c5]                                \t\n"
+        "add.s   %[t1],   %[in2],  %[in3]                               \t\n"
+        "li.s    %[c9],   -0.64278760968653932632                       \t\n"
+        "add.s   %[out2], %[t2],   %[t3]                                \t\n"
+        "lwc1    %[in1],  9*4(%[in])                                    \t\n"
+        "swc1    %[out1], 4*4(%[tmp])                                   \t\n"
+        "mul.s   %[t1],   %[t1],   %[c9]                                \t\n"
+        "lwc1    %[in2],  17*4(%[in])                                   \t\n"
+        "add.s   %[out2], %[out2], %[t0]                                \t\n"
+        "lwc1    %[in3],  5*4(%[in])                                    \t\n"
+        "lwc1    %[in4],  1*4(%[in])                                    \t\n"
+        "add.s   %[out3], %[t2],   %[t1]                                \t\n"
+        "sub.s   %[out1], %[t3],   %[t1]                                \t\n"
+        "swc1    %[out2], 0(%[tmp])                                     \t\n"
+        "lwc1    %[in5],  13*4(%[in])                                   \t\n"
+        "add.s   %[t2],   %[in1],  %[in2]                               \t\n"
+        "sub.s   %[out3], %[out3], %[t0]                                \t\n"
+        "sub.s   %[out1], %[out1], %[t0]                                \t\n"
+        "add.s   %[t0],   %[in1],  %[in3]                               \t\n"
+        "madd.s  %[t3],   %[in4],  %[in5], %[c1]                        \t\n"
+        "sub.s   %[t2],   %[t2],   %[in3]                               \t\n"
+        "swc1    %[out3], 12*4(%[tmp])                                  \t\n"
+        "swc1    %[out1], 8*4(%[tmp])                                   \t\n"
+        "sub.s   %[t1],   %[in4],  %[in5]                               \t\n"
+        "mul.s   %[t0],   %[t0],   %[c2]                                \t\n"
+        "nmsub.s %[out1], %[t1],   %[t2],  %[c1]                        \t\n"
+        "add.s   %[out2], %[t1],   %[t2]                                \t\n"
+        "add.s   %[t2],   %[in2],  %[in3]                               \t\n"
+        "sub.s   %[t1],   %[in1],  %[in2]                               \t\n"
+        "sub.s   %[out3], %[t3],   %[t0]                                \t\n"
+        "swc1    %[out1], 7*4(%[tmp])                                   \t\n"
+        "swc1    %[out2], 17*4(%[tmp])                                  \t\n"
+        "mul.s   %[t2],   %[t2],   %[c3]                                \t\n"
+        "mul.s   %[t1],   %[t1],   %[c4]                                \t\n"
+        "add.s   %[out1], %[t3],   %[t0]                                \t\n"
+        "lwc1    %[in1],  11*4(%[in])                                   \t\n"
+        "lwc1    %[in2],  15*4(%[in])                                   \t\n"
+        "sub.s   %[out3], %[out3], %[t2]                                \t\n"
+        "add.s   %[out2], %[t3],   %[t2]                                \t\n"
+        "add.s   %[out1], %[out1], %[t1]                                \t\n"
+        "lwc1    %[in3],  3*4(%[in])                                    \t\n"
+        "lwc1    %[in4],  7*4(%[in])                                    \t\n"
+        "swc1    %[out3], 11*4(%[tmp])                                  \t\n"
+        "sub.s   %[out2], %[out2], %[t1]                                \t\n"
+        "swc1    %[out1], 3*4(%[tmp])                                   \t\n"
+        "add.s   %[out3], %[in1],  %[in2]                               \t\n"
+        "add.s   %[t2],   %[in1],  %[in3]                               \t\n"
+        "sub.s   %[t3],   %[in1],  %[in2]                               \t\n"
+        "swc1    %[out2], 15*4(%[tmp])                                  \t\n"
+        "mul.s   %[t0],   %[in4],  %[c8]                                \t\n"
+        "sub.s   %[out3], %[out3], %[in3]                               \t\n"
+        "mul.s   %[t2],   %[t2],   %[c6]                                \t\n"
+        "mul.s   %[t3],   %[t3],   %[c7]                                \t\n"
+        "add.s   %[t1],   %[in2],  %[in3]                               \t\n"
+        "mul.s   %[out3], %[out3], %[c5]                                \t\n"
+        "add.s   %[out1], %[t2],   %[t3]                                \t\n"
+        "mul.s   %[t1],   %[t1],   %[c9]                                \t\n"
+        "swc1    %[out3], 5*4(%[tmp])                                   \t\n"
+        "add.s   %[out1], %[out1], %[t0]                                \t\n"
+        "add.s   %[out2], %[t2],   %[t1]                                \t\n"
+        "sub.s   %[out3], %[t3],   %[t1]                                \t\n"
+        "swc1    %[out1], 1*4(%[tmp])                                   \t\n"
+        "sub.s   %[out2], %[out2], %[t0]                                \t\n"
+        "sub.s   %[out3], %[out3], %[t0]                                \t\n"
+        "swc1    %[out2], 13*4(%[tmp])                                  \t\n"
+        "swc1    %[out3], 9*4(%[tmp])                                   \t\n"
+
+        : [t0] "=&f" (t0), [t1] "=&f" (t1),
+          [t2] "=&f" (t2), [t3] "=&f" (t3),
+          [in1] "=&f" (in1), [in2] "=&f" (in2),
+          [in3] "=&f" (in3), [in4] "=&f" (in4),
+          [in5] "=&f" (in5),
+          [out1] "=&f" (out1), [out2] "=&f" (out2),
+          [out3] "=&f" (out3),
+          [c1] "=&f" (c1), [c2] "=&f" (c2),
+          [c3] "=&f" (c3), [c4] "=&f" (c4),
+          [c5] "=&f" (c5), [c6] "=&f" (c6),
+          [c7] "=&f" (c7), [c8] "=&f" (c8),
+          [c9] "=&f" (c9)
+        : [in] "r" (in), [tmp] "r" (tmp)
+    );
+
+    /* loop 4 */
+    __asm__ __volatile__ (
+        "lwc1   %[in1],  2*4(%[tmp])                                    \t\n"
+        "lwc1   %[in2],  0(%[tmp])                                      \t\n"
+        "lwc1   %[in3],  3*4(%[tmp])                                    \t\n"
+        "lwc1   %[in4],  1*4(%[tmp])                                    \t\n"
+        "li.s   %[c1],   0.50190991877167369479                         \t\n"
+        "li.s   %[c2],   5.73685662283492756461                         \t\n"
+        "add.s  %[s0],   %[in1], %[in2]                                 \t\n"
+        "sub.s  %[s2],   %[in1], %[in2]                                 \t\n"
+        "add.s  %[s1],   %[in3], %[in4]                                 \t\n"
+        "sub.s  %[s3],   %[in3], %[in4]                                 \t\n"
+        "lwc1   %[in1],  9*4(%[win])                                    \t\n"
+        "lwc1   %[in2],  4*9*4(%[buf])                                  \t\n"
+        "lwc1   %[in3],  8*4(%[win])                                    \t\n"
+        "mul.s  %[s1],   %[s1],  %[c1]                                  \t\n"
+        "mul.s  %[s3],   %[s3],  %[c2]                                  \t\n"
+        "lwc1   %[in4],  4*8*4(%[buf])                                  \t\n"
+        "lwc1   %[in5],  29*4(%[win])                                   \t\n"
+        "lwc1   %[in6],  28*4(%[win])                                   \t\n"
+        "add.s  %[t0],   %[s0],  %[s1]                                  \t\n"
+        "sub.s  %[t1],   %[s0],  %[s1]                                  \t\n"
+        "li.s   %[c1],   0.51763809020504152469                         \t\n"
+        "li.s   %[c2],   1.93185165257813657349                         \t\n"
+        "mul.s  %[out3], %[in5], %[t0]                                  \t\n"
+        "madd.s %[out1], %[in2], %[in1], %[t1]                          \t\n"
+        "madd.s %[out2], %[in4], %[in3], %[t1]                          \t\n"
+        "mul.s  %[out4], %[in6], %[t0]                                  \t\n"
+        "add.s  %[t0],   %[s2],  %[s3]                                  \t\n"
+        "swc1   %[out3], 4*9*4(%[buf])                                  \t\n"
+        "swc1   %[out1], 288*4(%[out])                                  \t\n"
+        "swc1   %[out2], 256*4(%[out])                                  \t\n"
+        "swc1   %[out4], 4*8*4(%[buf])                                  \t\n"
+        "sub.s  %[t1],   %[s2],  %[s3]                                  \t\n"
+        "lwc1   %[in1],  17*4(%[win])                                   \t\n"
+        "lwc1   %[in2],  4*17*4(%[buf])                                 \t\n"
+        "lwc1   %[in3],  0(%[win])                                      \t\n"
+        "lwc1   %[in4],  0(%[buf])                                      \t\n"
+        "lwc1   %[in5],  37*4(%[win])                                   \t\n"
+        "lwc1   %[in6],  20*4(%[win])                                   \t\n"
+        "madd.s %[out1], %[in2], %[in1], %[t1]                          \t\n"
+        "lwc1   %[in1],  6*4(%[tmp])                                    \t\n"
+        "madd.s %[out2], %[in4], %[in3], %[t1]                          \t\n"
+        "mul.s  %[out3], %[t0],  %[in5]                                 \t\n"
+        "mul.s  %[out4], %[t0],  %[in6]                                 \t\n"
+        "swc1   %[out1], 544*4(%[out])                                  \t\n"
+        "lwc1   %[in2],  4*4(%[tmp])                                    \t\n"
+        "swc1   %[out2], 0(%[out])                                      \t\n"
+        "swc1   %[out3], 4*17*4(%[buf])                                 \t\n"
+        "swc1   %[out4], 0(%[buf])                                      \t\n"
+        "lwc1   %[in3],  7*4(%[tmp])                                    \t\n"
+        "add.s  %[s0],   %[in1], %[in2]                                 \t\n"
+        "sub.s  %[s2],   %[in1], %[in2]                                 \t\n"
+        "lwc1   %[in4],  5*4(%[tmp])                                    \t\n"
+        "add.s  %[s1],   %[in3], %[in4]                                 \t\n"
+        "sub.s  %[s3],   %[in3], %[in4]                                 \t\n"
+        "lwc1   %[in1],  10*4(%[win])                                   \t\n"
+        "lwc1   %[in2],  4*10*4(%[buf])                                 \t\n"
+        "lwc1   %[in3],  7*4(%[win])                                    \t\n"
+        "mul.s  %[s1],   %[s1],  %[c1]                                  \t\n"
+        "mul.s  %[s3],   %[s3],  %[c2]                                  \t\n"
+        "add.s  %[t0],   %[s0],  %[s1]                                  \t\n"
+        "sub.s  %[t1],   %[s0],  %[s1]                                  \t\n"
+        "lwc1   %[in4],  4*7*4(%[buf])                                  \t\n"
+        "lwc1   %[in5],  30*4(%[win])                                   \t\n"
+        "lwc1   %[in6],  27*4(%[win])                                   \t\n"
+        "li.s   %[c1],   0.55168895948124587824                         \t\n"
+        "madd.s %[out1], %[in2], %[in1], %[t1]                          \t\n"
+        "madd.s %[out2], %[in4], %[in3], %[t1]                          \t\n"
+        "mul.s  %[out3], %[t0],  %[in5]                                 \t\n"
+        "mul.s  %[out4], %[t0],  %[in6]                                 \t\n"
+        "add.s  %[t0],   %[s2],  %[s3]                                  \t\n"
+        "swc1   %[out1], 320*4(%[out])                                  \t\n"
+        "swc1   %[out2], 224*4(%[out])                                  \t\n"
+        "swc1   %[out3], 4*10*4(%[buf])                                 \t\n"
+        "swc1   %[out4], 4*7*4(%[buf])                                  \t\n"
+        "sub.s  %[t1],   %[s2],  %[s3]                                  \t\n"
+        "lwc1   %[in1],  16*4(%[win])                                   \t\n"
+        "lwc1   %[in2],  4*16*4(%[buf])                                 \t\n"
+        "lwc1   %[in3],  1*4(%[win])                                    \t\n"
+        "lwc1   %[in4],  4*1*4(%[buf])                                  \t\n"
+        "lwc1   %[in5],  36*4(%[win])                                   \t\n"
+        "lwc1   %[in6],  21*4(%[win])                                   \t\n"
+        "madd.s %[out1], %[in2], %[in1], %[t1]                          \t\n"
+        "lwc1   %[in1],  10*4(%[tmp])                                   \t\n"
+        "madd.s %[out2], %[in4], %[in3], %[t1]                          \t\n"
+        "mul.s  %[out3], %[in5], %[t0]                                  \t\n"
+        "mul.s  %[out4], %[in6], %[t0]                                  \t\n"
+        "swc1   %[out1], 512*4(%[out])                                  \t\n"
+        "lwc1   %[in2],  8*4(%[tmp])                                    \t\n"
+        "swc1   %[out2], 32*4(%[out])                                   \t\n"
+        "swc1   %[out3], 4*16*4(%[buf])                                 \t\n"
+        "swc1   %[out4], 4*1*4(%[buf])                                  \t\n"
+        "li.s   %[c2],   1.18310079157624925896                         \t\n"
+        "add.s  %[s0],   %[in1], %[in2]                                 \t\n"
+        "sub.s  %[s2],   %[in1], %[in2]                                 \t\n"
+        "lwc1   %[in3],  11*4(%[tmp])                                   \t\n"
+        "lwc1   %[in4],  9*4(%[tmp])                                    \t\n"
+        "add.s  %[s1],   %[in3], %[in4]                                 \t\n"
+        "sub.s  %[s3],   %[in3], %[in4]                                 \t\n"
+        "lwc1   %[in1],  11*4(%[win])                                   \t\n"
+        "lwc1   %[in2],  4*11*4(%[buf])                                 \t\n"
+        "lwc1   %[in3],  6*4(%[win])                                    \t\n"
+        "mul.s  %[s1],   %[s1],  %[c1]                                  \t\n"
+        "mul.s  %[s3],   %[s3],  %[c2]                                  \t\n"
+        "lwc1   %[in4],  4*6*4(%[buf])                                  \t\n"
+        "lwc1   %[in5],  31*4(%[win])                                   \t\n"
+        "lwc1   %[in6],  26*4(%[win])                                   \t\n"
+        "add.s  %[t0],   %[s0],  %[s1]                                  \t\n"
+        "sub.s  %[t1],   %[s0],  %[s1]                                  \t\n"
+        "mul.s  %[out3], %[t0],  %[in5]                                 \t\n"
+        "mul.s  %[out4], %[t0],  %[in6]                                 \t\n"
+        "add.s  %[t0],   %[s2],  %[s3]                                  \t\n"
+        "madd.s %[out1], %[in2], %[in1], %[t1]                          \t\n"
+        "madd.s %[out2], %[in4], %[in3], %[t1]                          \t\n"
+        "swc1   %[out3], 4*11*4(%[buf])                                 \t\n"
+        "swc1   %[out4], 4*6*4(%[buf])                                  \t\n"
+        "sub.s  %[t1],   %[s2],  %[s3]                                  \t\n"
+        "swc1   %[out1], 352*4(%[out])                                  \t\n"
+        "swc1   %[out2], 192*4(%[out])                                  \t\n"
+        "lwc1   %[in1],  15*4(%[win])                                   \t\n"
+        "lwc1   %[in2],  4*15*4(%[buf])                                 \t\n"
+        "lwc1   %[in3],  2*4(%[win])                                    \t\n"
+        "lwc1   %[in4],  4*2*4(%[buf])                                  \t\n"
+        "lwc1   %[in5],  35*4(%[win])                                   \t\n"
+        "lwc1   %[in6],  22*4(%[win])                                   \t\n"
+        "madd.s %[out1], %[in2], %[in1], %[t1]                          \t\n"
+        "lwc1   %[in1],  14*4(%[tmp])                                   \t\n"
+        "madd.s %[out2], %[in4], %[in3], %[t1]                          \t\n"
+        "mul.s  %[out3], %[t0],  %[in5]                                 \t\n"
+        "mul.s  %[out4], %[t0],  %[in6]                                 \t\n"
+        "swc1   %[out1], 480*4(%[out])                                  \t\n"
+        "lwc1   %[in2],  12*4(%[tmp])                                   \t\n"
+        "swc1   %[out2], 64*4(%[out])                                   \t\n"
+        "swc1   %[out3], 4*15*4(%[buf])                                 \t\n"
+        "swc1   %[out4], 4*2*4(%[buf])                                  \t\n"
+        "lwc1   %[in3],  15*4(%[tmp])                                   \t\n"
+        "add.s  %[s0],   %[in1], %[in2]                                 \t\n"
+        "sub.s  %[s2],   %[in1], %[in2]                                 \t\n"
+        "lwc1   %[in4],  13*4(%[tmp])                                   \t\n"
+        "li.s   %[c1],   0.61038729438072803416                         \t\n"
+        "li.s   %[c2],   0.87172339781054900991                         \t\n"
+        "add.s  %[s1],   %[in3], %[in4]                                 \t\n"
+        "sub.s  %[s3],   %[in3], %[in4]                                 \t\n"
+        "lwc1   %[in1],  12*4(%[win])                                   \t\n"
+        "lwc1   %[in2],  4*12*4(%[buf])                                 \t\n"
+        "lwc1   %[in3],  5*4(%[win])                                    \t\n"
+        "mul.s  %[s1],   %[s1],  %[c1]                                  \t\n"
+        "mul.s  %[s3],   %[s3],  %[c2]                                  \t\n"
+        "lwc1   %[in4],  4*5*4(%[buf])                                  \t\n"
+        "lwc1   %[in5],  32*4(%[win])                                   \t\n"
+        "lwc1   %[in6],  25*4(%[win])                                   \t\n"
+        "add.s  %[t0],   %[s0],  %[s1]                                  \t\n"
+        "sub.s  %[t1],   %[s0],  %[s1]                                  \t\n"
+        "lwc1   %[s0],   16*4(%[tmp])                                   \t\n"
+        "lwc1   %[s1],   17*4(%[tmp])                                   \t\n"
+        "li.s   %[c1],   0.70710678118654752439                         \t\n"
+        "mul.s  %[out3], %[t0],  %[in5]                                 \t\n"
+        "madd.s %[out1], %[in2], %[in1], %[t1]                          \t\n"
+        "madd.s %[out2], %[in4], %[in3], %[t1]                          \t\n"
+        "mul.s  %[out4], %[t0],  %[in6]                                 \t\n"
+        "add.s  %[t0],   %[s2],  %[s3]                                  \t\n"
+        "swc1   %[out3], 4*12*4(%[buf])                                 \t\n"
+        "swc1   %[out1], 384*4(%[out])                                  \t\n"
+        "swc1   %[out2], 160*4(%[out])                                  \t\n"
+        "swc1   %[out4], 4*5*4(%[buf])                                  \t\n"
+        "sub.s  %[t1],   %[s2],  %[s3]                                  \t\n"
+        "lwc1   %[in1],  14*4(%[win])                                   \t\n"
+        "lwc1   %[in2],  4*14*4(%[buf])                                 \t\n"
+        "lwc1   %[in3],  3*4(%[win])                                    \t\n"
+        "lwc1   %[in4],  4*3*4(%[buf])                                  \t\n"
+        "lwc1   %[in5],  34*4(%[win])                                   \t\n"
+        "lwc1   %[in6],  23*4(%[win])                                   \t\n"
+        "madd.s %[out1], %[in2], %[in1], %[t1]                          \t\n"
+        "mul.s  %[s1],   %[s1],  %[c1]                                  \t\n"
+        "madd.s %[out2], %[in4], %[in3], %[t1]                          \t\n"
+        "mul.s  %[out3], %[in5], %[t0]                                  \t\n"
+        "mul.s  %[out4], %[in6], %[t0]                                  \t\n"
+        "swc1   %[out1], 448*4(%[out])                                  \t\n"
+        "add.s  %[t0],   %[s0],  %[s1]                                  \t\n"
+        "swc1   %[out2], 96*4(%[out])                                   \t\n"
+        "swc1   %[out3], 4*14*4(%[buf])                                 \t\n"
+        "swc1   %[out4], 4*3*4(%[buf])                                  \t\n"
+        "sub.s  %[t1],   %[s0],  %[s1]                                  \t\n"
+        "lwc1   %[in1],  13*4(%[win])                                   \t\n"
+        "lwc1   %[in2],  4*13*4(%[buf])                                 \t\n"
+        "lwc1   %[in3],  4*4(%[win])                                    \t\n"
+        "lwc1   %[in4],  4*4*4(%[buf])                                  \t\n"
+        "lwc1   %[in5],  33*4(%[win])                                   \t\n"
+        "lwc1   %[in6],  24*4(%[win])                                   \t\n"
+        "madd.s %[out1], %[in2], %[in1], %[t1]                          \t\n"
+        "madd.s %[out2], %[in4], %[in3], %[t1]                          \t\n"
+        "mul.s  %[out3], %[t0],  %[in5]                                 \t\n"
+        "mul.s  %[out4], %[t0],  %[in6]                                 \t\n"
+        "swc1   %[out1], 416*4(%[out])                                  \t\n"
+        "swc1   %[out2], 128*4(%[out])                                  \t\n"
+        "swc1   %[out3], 4*13*4(%[buf])                                 \t\n"
+        "swc1   %[out4], 4*4*4(%[buf])                                  \t\n"
+
+        : [c1] "=&f" (c1), [c2] "=&f" (c2),
+          [in1] "=&f" (in1), [in2] "=&f" (in2),
+          [in3] "=&f" (in3), [in4] "=&f" (in4),
+          [in5] "=&f" (in5), [in6] "=&f" (in6),
+          [out1] "=&f" (out1), [out2] "=&f" (out2),
+          [out3] "=&f" (out3), [out4] "=&f" (out4),
+          [t0] "=&f" (t0), [t1] "=&f" (t1),
+          [t2] "=&f" (t2), [t3] "=&f" (t3),
+          [s0] "=&f" (s0), [s1] "=&f" (s1),
+          [s2] "=&f" (s2), [s3] "=&f" (s3)
+        : [tmp] "r" (tmp), [win] "r" (win),
+          [buf] "r" (buf), [out] "r" (out)
+    );
+}
+
+static void ff_imdct36_blocks_mips_float(float *out, float *buf, float *in,
+                               int count, int switch_point, int block_type)
+{
+    int j;
+    for (j=0 ; j < count; j++) {
+        /* apply window & overlap with previous buffer */
+
+        /* select window */
+        int win_idx = (switch_point && j < 2) ? 0 : block_type;
+        float *win = ff_mdct_win_float[win_idx + (4 & -(j & 1))];
+
+        imdct36_mips_float(out, buf, in, win);
+
+        in  += 18;
+        buf += ((j&3) != 3 ? 1 : (72-3));
+        out++;
+    }
+}
+
+void ff_mpadsp_init_mipsfpu(MPADSPContext *s)
+{
+    s->apply_window_float   = ff_mpadsp_apply_window_mips_float;
+    s->imdct36_blocks_float = ff_imdct36_blocks_mips_float;
+    s->dct32_float          = ff_dct32_mips_float;
+}
index 553398a..4ed933d 100644 (file)
@@ -1170,6 +1170,17 @@ found2:
 }
 
 #if CONFIG_FLOAT
+#if HAVE_MIPSFPU
+#   include "mips/compute_antialias_float.h"
+#endif /* HAVE_MIPSFPU */
+#else
+#if HAVE_MIPSDSPR1
+#   include "mips/compute_antialias_fixed.h"
+#endif /* HAVE_MIPSDSPR1 */
+#endif /* CONFIG_FLOAT */
+
+#ifndef compute_antialias
+#if CONFIG_FLOAT
 #define AA(j) do {                                                      \
         float tmp0 = ptr[-1-j];                                         \
         float tmp1 = ptr[   j];                                         \
@@ -1215,6 +1226,7 @@ static void compute_antialias(MPADecodeContext *s, GranuleDef *g)
         ptr += 18;
     }
 }
+#endif /* compute_antialias */
 
 static void compute_imdct(MPADecodeContext *s, GranuleDef *g,
                           INTFLOAT *sb_samples, INTFLOAT *mdct_buf)
index cc12dd9..82a3652 100644 (file)
@@ -43,4 +43,6 @@ void ff_mpadsp_init(MPADSPContext *s)
     if (ARCH_ARM)     ff_mpadsp_init_arm(s);
     if (HAVE_MMX)     ff_mpadsp_init_mmx(s);
     if (HAVE_ALTIVEC) ff_mpadsp_init_altivec(s);
+    if (HAVE_MIPSFPU)   ff_mpadsp_init_mipsfpu(s);
+    if (HAVE_MIPSDSPR1) ff_mpadsp_init_mipsdspr1(s);
 }
index da53fe5..8fb2ca0 100644 (file)
@@ -56,6 +56,8 @@ void ff_mpa_synth_filter_float(MPADSPContext *s,
 void ff_mpadsp_init_arm(MPADSPContext *s);
 void ff_mpadsp_init_mmx(MPADSPContext *s);
 void ff_mpadsp_init_altivec(MPADSPContext *s);
+void ff_mpadsp_init_mipsfpu(MPADSPContext *s);
+void ff_mpadsp_init_mipsdspr1(MPADSPContext *s);
 
 void ff_mpa_synth_init_float(float *window);
 void ff_mpa_synth_init_fixed(int32_t *window);