[FFmpeg-devel] [PATCH] Optimization of MP3 decoders for MIPS
Nedeljko Babic
nbabic at mips.com
Mon Jul 2 14:20:24 CEST 2012
MP3 fixed and floating point decoders are optimized
for MIPS architecture.
Signed-off-by: Nedeljko Babic <nbabic at mips.com>
---
libavcodec/mips/Makefile | 2 +
libavcodec/mips/compute_antialias_fixed.h | 247 ++++++
libavcodec/mips/compute_antialias_float.h | 183 +++++
libavcodec/mips/mpegaudiodsp_mips_fixed.c | 904 +++++++++++++++++++++
libavcodec/mips/mpegaudiodsp_mips_float.c | 1243 +++++++++++++++++++++++++++++
libavcodec/mpegaudiodec.c | 12 +
libavcodec/mpegaudiodsp.c | 2 +
libavcodec/mpegaudiodsp.h | 2 +
8 files changed, 2595 insertions(+), 0 deletions(-)
create mode 100644 libavcodec/mips/compute_antialias_fixed.h
create mode 100644 libavcodec/mips/compute_antialias_float.h
create mode 100644 libavcodec/mips/mpegaudiodsp_mips_fixed.c
create mode 100644 libavcodec/mips/mpegaudiodsp_mips_float.c
diff --git a/libavcodec/mips/Makefile b/libavcodec/mips/Makefile
index 24a95b5..67960b1 100644
--- a/libavcodec/mips/Makefile
+++ b/libavcodec/mips/Makefile
@@ -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
index 0000000..386395c
--- /dev/null
+++ b/libavcodec/mips/compute_antialias_fixed.h
@@ -0,0 +1,247 @@
+/*
+ * 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 at 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
index 0000000..0f68003
--- /dev/null
+++ b/libavcodec/mips/compute_antialias_float.h
@@ -0,0 +1,183 @@
+/*
+ * 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 at 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
index 0000000..57a90f4
--- /dev/null
+++ b/libavcodec/mips/mpegaudiodsp_mips_fixed.c
@@ -0,0 +1,904 @@
+/*
+ * 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 at 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
index 0000000..5b4354e
--- /dev/null
+++ b/libavcodec/mips/mpegaudiodsp_mips_float.c
@@ -0,0 +1,1243 @@
+/*
+ * 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 at 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;
+}
+
diff --git a/libavcodec/mpegaudiodec.c b/libavcodec/mpegaudiodec.c
index 553398a..4ed933d 100644
--- a/libavcodec/mpegaudiodec.c
+++ b/libavcodec/mpegaudiodec.c
@@ -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)
diff --git a/libavcodec/mpegaudiodsp.c b/libavcodec/mpegaudiodsp.c
index cc12dd9..82a3652 100644
--- a/libavcodec/mpegaudiodsp.c
+++ b/libavcodec/mpegaudiodsp.c
@@ -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);
}
diff --git a/libavcodec/mpegaudiodsp.h b/libavcodec/mpegaudiodsp.h
index da53fe5..8fb2ca0 100644
--- a/libavcodec/mpegaudiodsp.h
+++ b/libavcodec/mpegaudiodsp.h
@@ -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);
--
1.7.3.4
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