[FFmpeg-devel] [PATCH 3/3] mips: optimization for float aac decoder (ps module)
Nedeljko Babic
nbabic at mips.com
Wed Jan 9 10:45:34 CET 2013
From: Mirjana Vulin <mirjana.vulin at rt-rk.com>
Change-Id: Ie3c3f3645ab0eb11e5270c8f9f8f2ad28043be01
Signed-off-by: Mirjana Vulin <mvulin at mips.com>
---
libavcodec/aacpsdsp.c | 2 +
libavcodec/aacpsdsp.h | 1 +
libavcodec/mips/Makefile | 3 +-
libavcodec/mips/aacpsdsp_mips.c | 459 +++++++++++++++++++++++++++++++++++++++
4 files changed, 464 insertions(+), 1 deletions(-)
create mode 100644 libavcodec/mips/aacpsdsp_mips.c
diff --git a/libavcodec/aacpsdsp.c b/libavcodec/aacpsdsp.c
index e90c50b..9526d3a 100644
--- a/libavcodec/aacpsdsp.c
+++ b/libavcodec/aacpsdsp.c
@@ -211,4 +211,6 @@ av_cold void ff_psdsp_init(PSDSPContext *s)
if (ARCH_ARM)
ff_psdsp_init_arm(s);
+ if (ARCH_MIPS)
+ ff_psdsp_init_mips(s);
}
diff --git a/libavcodec/aacpsdsp.h b/libavcodec/aacpsdsp.h
index 93737d2..df01e0b 100644
--- a/libavcodec/aacpsdsp.h
+++ b/libavcodec/aacpsdsp.h
@@ -49,5 +49,6 @@ typedef struct PSDSPContext {
void ff_psdsp_init(PSDSPContext *s);
void ff_psdsp_init_arm(PSDSPContext *s);
+void ff_psdsp_init_mips(PSDSPContext *s);
#endif /* LIBAVCODEC_AACPSDSP_H */
diff --git a/libavcodec/mips/Makefile b/libavcodec/mips/Makefile
index 82b28ee..78a6dc1 100644
--- a/libavcodec/mips/Makefile
+++ b/libavcodec/mips/Makefile
@@ -16,4 +16,5 @@ MIPSFPU-OBJS += mips/dsputil_mips.o \
OBJS-$(CONFIG_AC3DSP) += mips/ac3dsp_mips.o
OBJS-$(CONFIG_AAC_DECODER) += mips/aacdec_mips.o \
mips/aacsbr_mips.o \
- mips/sbrdsp_mips.o
+ mips/sbrdsp_mips.o \
+ mips/aacpsdsp_mips.o
diff --git a/libavcodec/mips/aacpsdsp_mips.c b/libavcodec/mips/aacpsdsp_mips.c
new file mode 100644
index 0000000..4730a7f
--- /dev/null
+++ b/libavcodec/mips/aacpsdsp_mips.c
@@ -0,0 +1,459 @@
+/*
+ * 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.
+ *
+ * Authors: Darko Laus (darko at mips.com)
+ * Djordje Pesut (djordje at mips.com)
+ * Mirjana Vulin (mvulin at mips.com)
+ *
+ * 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/aacpsdsp.c
+ */
+
+#include "config.h"
+#include "libavcodec/aacpsdsp.h"
+
+#if HAVE_INLINE_ASM
+static void ps_hybrid_analysis_ileave_mips(float (*out)[32][2], float L[2][38][64],
+ int i, int len)
+{
+ int temp0, temp1, temp2, temp3;
+ int temp4, temp5, temp6, temp7;
+ float *out1=&out[i][0][0];
+ float *L1=&L[0][0][i];
+ float *j=out1+ len*2;
+
+ for (; i < 64; i++) {
+
+ /* loop unrolled 8 times */
+ __asm__ volatile (
+ "1: \n\t"
+ "lw %[temp0], 0(%[L1]) \n\t"
+ "lw %[temp1], 9728(%[L1]) \n\t"
+ "lw %[temp2], 256(%[L1]) \n\t"
+ "lw %[temp3], 9984(%[L1]) \n\t"
+ "lw %[temp4], 512(%[L1]) \n\t"
+ "lw %[temp5], 10240(%[L1]) \n\t"
+ "lw %[temp6], 768(%[L1]) \n\t"
+ "lw %[temp7], 10496(%[L1]) \n\t"
+ "sw %[temp0], 0(%[out1]) \n\t"
+ "sw %[temp1], 4(%[out1]) \n\t"
+ "sw %[temp2], 8(%[out1]) \n\t"
+ "sw %[temp3], 12(%[out1]) \n\t"
+ "sw %[temp4], 16(%[out1]) \n\t"
+ "sw %[temp5], 20(%[out1]) \n\t"
+ "sw %[temp6], 24(%[out1]) \n\t"
+ "sw %[temp7], 28(%[out1]) \n\t"
+ "addiu %[out1], %[out1], 32 \n\t"
+ "addiu %[L1], %[L1], 1024 \n\t"
+ "bne %[out1], %[j], 1b \n\t"
+
+ : [out1]"+r"(out1), [L1]"+r"(L1), [j]"+r"(j),
+ [temp0]"=&r"(temp0), [temp1]"=&r"(temp1),
+ [temp2]"=&r"(temp2), [temp3]"=&r"(temp3),
+ [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
+ [temp6]"=&r"(temp6), [temp7]"=&r"(temp7)
+ : [len]"r"(len)
+ : "memory"
+ );
+ out1-=(len<<1)-64;
+ L1-=(len<<6)-1;
+ j+=len*2;
+ }
+}
+
+static void ps_hybrid_synthesis_deint_mips(float out[2][38][64],
+ float (*in)[32][2],
+ int i, int len)
+{
+ int n;
+ int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7;
+ float *out1 = (float*)out + i;
+ float *out2 = (float*)out + 2432 + i;
+ float *in1 = (float*)in + 64 * i;
+ float *in2 = (float*)in + 64 * i + 1;
+
+ for (; i < 64; i++) {
+ for (n = 0; n < 7; n++) {
+
+ /* loop unrolled 8 times */
+ __asm__ volatile (
+ "lw %[temp0], 0(%[in1]) \n\t"
+ "lw %[temp1], 0(%[in2]) \n\t"
+ "lw %[temp2], 8(%[in1]) \n\t"
+ "lw %[temp3], 8(%[in2]) \n\t"
+ "lw %[temp4], 16(%[in1]) \n\t"
+ "lw %[temp5], 16(%[in2]) \n\t"
+ "lw %[temp6], 24(%[in1]) \n\t"
+ "lw %[temp7], 24(%[in2]) \n\t"
+ "addiu %[out1], %[out1], 1024 \n\t"
+ "addiu %[out2], %[out2], 1024 \n\t"
+ "addiu %[in1], %[in1], 32 \n\t"
+ "addiu %[in2], %[in2], 32 \n\t"
+ "sw %[temp0], -1024(%[out1]) \n\t"
+ "sw %[temp1], -1024(%[out2]) \n\t"
+ "sw %[temp2], -768(%[out1]) \n\t"
+ "sw %[temp3], -768(%[out2]) \n\t"
+ "sw %[temp4], -512(%[out1]) \n\t"
+ "sw %[temp5], -512(%[out2]) \n\t"
+ "sw %[temp6], -256(%[out1]) \n\t"
+ "sw %[temp7], -256(%[out2]) \n\t"
+
+ : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1),
+ [temp2]"=&r"(temp2), [temp3]"=&r"(temp3),
+ [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
+ [temp6]"=&r"(temp6), [temp7]"=&r"(temp7),
+ [out1]"+r"(out1), [out2]"+r"(out2),
+ [in1]"+r"(in1), [in2]"+r"(in2)
+ :
+ : "memory"
+ );
+ }
+ /* loop unrolled 8 times */
+ __asm__ volatile (
+ "lw %[temp0], 0(%[in1]) \n\t"
+ "lw %[temp1], 0(%[in2]) \n\t"
+ "lw %[temp2], 8(%[in1]) \n\t"
+ "lw %[temp3], 8(%[in2]) \n\t"
+ "lw %[temp4], 16(%[in1]) \n\t"
+ "lw %[temp5], 16(%[in2]) \n\t"
+ "lw %[temp6], 24(%[in1]) \n\t"
+ "lw %[temp7], 24(%[in2]) \n\t"
+ "addiu %[out1], %[out1], -7164 \n\t"
+ "addiu %[out2], %[out2], -7164 \n\t"
+ "addiu %[in1], %[in1], 32 \n\t"
+ "addiu %[in2], %[in2], 32 \n\t"
+ "sw %[temp0], 7164(%[out1]) \n\t"
+ "sw %[temp1], 7164(%[out2]) \n\t"
+ "sw %[temp2], 7420(%[out1]) \n\t"
+ "sw %[temp3], 7420(%[out2]) \n\t"
+ "sw %[temp4], 7676(%[out1]) \n\t"
+ "sw %[temp5], 7676(%[out2]) \n\t"
+ "sw %[temp6], 7932(%[out1]) \n\t"
+ "sw %[temp7], 7932(%[out2]) \n\t"
+
+ : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1),
+ [temp2]"=&r"(temp2), [temp3]"=&r"(temp3),
+ [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
+ [temp6]"=&r"(temp6), [temp7]"=&r"(temp7),
+ [out1]"+r"(out1), [out2]"+r"(out2),
+ [in1]"+r"(in1), [in2]"+r"(in2)
+ :
+ : "memory"
+ );
+ }
+}
+
+#if HAVE_MIPSFPU
+static void ps_add_squares_mips(float *dst, const float (*src)[2], int n)
+{
+ int i;
+ float temp0, temp1, temp2, temp3, temp4, temp5;
+ float temp6, temp7, temp8, temp9, temp10, temp11;
+ float *src0 = (float*)&src[0][0];
+ float *dst0 = &dst[0];
+
+ for (i = 0; i < 8; i++) {
+ /* loop unrolled 4 times */
+ __asm__ volatile (
+ "lwc1 %[temp0], 0(%[src0]) \n\t"
+ "lwc1 %[temp1], 4(%[src0]) \n\t"
+ "lwc1 %[temp2], 8(%[src0]) \n\t"
+ "lwc1 %[temp3], 12(%[src0]) \n\t"
+ "lwc1 %[temp4], 16(%[src0]) \n\t"
+ "lwc1 %[temp5], 20(%[src0]) \n\t"
+ "lwc1 %[temp6], 24(%[src0]) \n\t"
+ "lwc1 %[temp7], 28(%[src0]) \n\t"
+ "lwc1 %[temp8], 0(%[dst0]) \n\t"
+ "lwc1 %[temp9], 4(%[dst0]) \n\t"
+ "lwc1 %[temp10], 8(%[dst0]) \n\t"
+ "lwc1 %[temp11], 12(%[dst0]) \n\t"
+ "mul.s %[temp1], %[temp1], %[temp1] \n\t"
+ "mul.s %[temp3], %[temp3], %[temp3] \n\t"
+ "mul.s %[temp5], %[temp5], %[temp5] \n\t"
+ "mul.s %[temp7], %[temp7], %[temp7] \n\t"
+ "madd.s %[temp0], %[temp1], %[temp0], %[temp0] \n\t"
+ "madd.s %[temp2], %[temp3], %[temp2], %[temp2] \n\t"
+ "madd.s %[temp4], %[temp5], %[temp4], %[temp4] \n\t"
+ "madd.s %[temp6], %[temp7], %[temp6], %[temp6] \n\t"
+ "add.s %[temp0], %[temp8], %[temp0] \n\t"
+ "add.s %[temp2], %[temp9], %[temp2] \n\t"
+ "add.s %[temp4], %[temp10], %[temp4] \n\t"
+ "add.s %[temp6], %[temp11], %[temp6] \n\t"
+ "swc1 %[temp0], 0(%[dst0]) \n\t"
+ "swc1 %[temp2], 4(%[dst0]) \n\t"
+ "swc1 %[temp4], 8(%[dst0]) \n\t"
+ "swc1 %[temp6], 12(%[dst0]) \n\t"
+ "addiu %[dst0], %[dst0], 16 \n\t"
+ "addiu %[src0], %[src0], 32 \n\t"
+
+ : [temp0]"=&f"(temp0), [temp1]"=&f"(temp1), [temp2]"=&f"(temp2),
+ [temp3]"=&f"(temp3), [temp4]"=&f"(temp4), [temp5]"=&f"(temp5),
+ [temp6]"=&f"(temp6), [temp7]"=&f"(temp7), [temp8]"=&f"(temp8),
+ [temp9]"=&f"(temp9), [dst0]"+r"(dst0), [src0]"+r"(src0),
+ [temp10]"=&f"(temp10), [temp11]"=&f"(temp11)
+ :
+ : "memory"
+ );
+ }
+}
+
+static void ps_mul_pair_single_mips(float (*dst)[2], float (*src0)[2], float *src1,
+ int n)
+{
+ float temp0, temp1, temp2;
+ float *p_d, *p_s0, *p_s1, *end;
+ p_d = &dst[0][0];
+ p_s0 = &src0[0][0];
+ p_s1 = &src1[0];
+ end = p_s1 + n;
+
+ __asm__ volatile(
+ ".set push \n\t"
+ ".set noreorder \n\t"
+ "1: \n\t"
+ "lwc1 %[temp2], 0(%[p_s1]) \n\t"
+ "lwc1 %[temp0], 0(%[p_s0]) \n\t"
+ "lwc1 %[temp1], 4(%[p_s0]) \n\t"
+ "addiu %[p_d], %[p_d], 8 \n\t"
+ "mul.s %[temp0], %[temp0], %[temp2] \n\t"
+ "mul.s %[temp1], %[temp1], %[temp2] \n\t"
+ "addiu %[p_s0], %[p_s0], 8 \n\t"
+ "swc1 %[temp0], -8(%[p_d]) \n\t"
+ "swc1 %[temp1], -4(%[p_d]) \n\t"
+ "bne %[p_s1], %[end], 1b \n\t"
+ " addiu %[p_s1], %[p_s1], 4 \n\t"
+ ".set pop \n\t"
+
+ : [temp0]"=&f"(temp0), [temp1]"=&f"(temp1),
+ [temp2]"=&f"(temp2), [p_d]"+r"(p_d),
+ [p_s0]"+r"(p_s0), [p_s1]"+r"(p_s1)
+ : [end]"r"(end)
+ : "memory"
+ );
+}
+
+static void ps_decorrelate_mips(float (*out)[2], float (*delay)[2],
+ float (*ap_delay)[PS_QMF_TIME_SLOTS + PS_MAX_AP_DELAY][2],
+ const float phi_fract[2], float (*Q_fract)[2],
+ const float *transient_gain,
+ float g_decay_slope,
+ int len)
+{
+ float *p_delay = &delay[0][0];
+ float *p_out = &out[0][0];
+ float *p_ap_delay = &ap_delay[0][0][0];
+ float *p_t_gain = (float*)transient_gain;
+ float *p_Q_fract = &Q_fract[0][0];
+ float ag0, ag1, ag2;
+ float phi_fract0 = phi_fract[0];
+ float phi_fract1 = phi_fract[1];
+ float temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8, temp9;
+
+ len = (int)((int*)p_delay + (len << 1));
+
+ /* merged 2 loops */
+ __asm__ volatile(
+ ".set push \n\t"
+ ".set noreorder \n\t"
+ "li.s %[ag0], 0.65143905753106 \n\t"
+ "li.s %[ag1], 0.56471812200776 \n\t"
+ "li.s %[ag2], 0.48954165955695 \n\t"
+ "mul.s %[ag0], %[ag0], %[g_decay_slope] \n\t"
+ "mul.s %[ag1], %[ag1], %[g_decay_slope] \n\t"
+ "mul.s %[ag2], %[ag2], %[g_decay_slope] \n\t"
+ "1: \n\t"
+ "lwc1 %[temp0], 0(%[p_delay]) \n\t"
+ "lwc1 %[temp1], 4(%[p_delay]) \n\t"
+ "lwc1 %[temp4], 16(%[p_ap_delay]) \n\t"
+ "lwc1 %[temp5], 20(%[p_ap_delay]) \n\t"
+ "mul.s %[temp3], %[temp0], %[phi_fract1] \n\t"
+ "lwc1 %[temp6], 0(%[p_Q_fract]) \n\t"
+ "mul.s %[temp2], %[temp1], %[phi_fract1] \n\t"
+ "lwc1 %[temp7], 4(%[p_Q_fract]) \n\t"
+ "madd.s %[temp3], %[temp3], %[temp1], %[phi_fract0] \n\t"
+ "msub.s %[temp2], %[temp2], %[temp0], %[phi_fract0] \n\t"
+ "mul.s %[temp8], %[temp5], %[temp7] \n\t"
+ "mul.s %[temp9], %[temp4], %[temp7] \n\t"
+ "lwc1 %[temp7], 12(%[p_Q_fract]) \n\t"
+ "mul.s %[temp0], %[ag0], %[temp2] \n\t"
+ "mul.s %[temp1], %[ag0], %[temp3] \n\t"
+ "msub.s %[temp8], %[temp8], %[temp4], %[temp6] \n\t"
+ "lwc1 %[temp4], 304(%[p_ap_delay]) \n\t"
+ "madd.s %[temp9], %[temp9], %[temp5], %[temp6] \n\t"
+ "lwc1 %[temp5], 308(%[p_ap_delay]) \n\t"
+ "sub.s %[temp0], %[temp8], %[temp0] \n\t"
+ "sub.s %[temp1], %[temp9], %[temp1] \n\t"
+ "madd.s %[temp2], %[temp2], %[ag0], %[temp0] \n\t"
+ "lwc1 %[temp6], 8(%[p_Q_fract]) \n\t"
+ "madd.s %[temp3], %[temp3], %[ag0], %[temp1] \n\t"
+ "mul.s %[temp8], %[temp5], %[temp7] \n\t"
+ "mul.s %[temp9], %[temp4], %[temp7] \n\t"
+ "lwc1 %[temp7], 20(%[p_Q_fract]) \n\t"
+ "msub.s %[temp8], %[temp8], %[temp4], %[temp6] \n\t"
+ "swc1 %[temp2], 40(%[p_ap_delay]) \n\t"
+ "mul.s %[temp2], %[ag1], %[temp0] \n\t"
+ "swc1 %[temp3], 44(%[p_ap_delay]) \n\t"
+ "mul.s %[temp3], %[ag1], %[temp1] \n\t"
+ "lwc1 %[temp4], 592(%[p_ap_delay]) \n\t"
+ "madd.s %[temp9], %[temp9], %[temp5], %[temp6] \n\t"
+ "lwc1 %[temp5], 596(%[p_ap_delay]) \n\t"
+ "sub.s %[temp2], %[temp8], %[temp2] \n\t"
+ "sub.s %[temp3], %[temp9], %[temp3] \n\t"
+ "lwc1 %[temp6], 16(%[p_Q_fract]) \n\t"
+ "madd.s %[temp0], %[temp0], %[ag1], %[temp2] \n\t"
+ "madd.s %[temp1], %[temp1], %[ag1], %[temp3] \n\t"
+ "mul.s %[temp8], %[temp5], %[temp7] \n\t"
+ "mul.s %[temp9], %[temp4], %[temp7] \n\t"
+ "msub.s %[temp8], %[temp8], %[temp4], %[temp6] \n\t"
+ "madd.s %[temp9], %[temp9], %[temp5], %[temp6] \n\t"
+ "swc1 %[temp0], 336(%[p_ap_delay]) \n\t"
+ "mul.s %[temp0], %[ag2], %[temp2] \n\t"
+ "swc1 %[temp1], 340(%[p_ap_delay]) \n\t"
+ "mul.s %[temp1], %[ag2], %[temp3] \n\t"
+ "lwc1 %[temp4], 0(%[p_t_gain]) \n\t"
+ "sub.s %[temp0], %[temp8], %[temp0] \n\t"
+ "addiu %[p_ap_delay], %[p_ap_delay], 8 \n\t"
+ "sub.s %[temp1], %[temp9], %[temp1] \n\t"
+ "addiu %[p_t_gain], %[p_t_gain], 4 \n\t"
+ "madd.s %[temp2], %[temp2], %[ag2], %[temp0] \n\t"
+ "addiu %[p_delay], %[p_delay], 8 \n\t"
+ "madd.s %[temp3], %[temp3], %[ag2], %[temp1] \n\t"
+ "addiu %[p_out], %[p_out], 8 \n\t"
+ "mul.s %[temp5], %[temp4], %[temp0] \n\t"
+ "mul.s %[temp6], %[temp4], %[temp1] \n\t"
+ "swc1 %[temp2], 624(%[p_ap_delay]) \n\t"
+ "swc1 %[temp3], 628(%[p_ap_delay]) \n\t"
+ "swc1 %[temp5], -8(%[p_out]) \n\t"
+ "swc1 %[temp6], -4(%[p_out]) \n\t"
+ "bne %[p_delay], %[len], 1b \n\t"
+ " swc1 %[temp6], -4(%[p_out]) \n\t"
+ ".set pop \n\t"
+
+ : [temp0]"=&f"(temp0), [temp1]"=&f"(temp1), [temp2]"=&f"(temp2),
+ [temp3]"=&f"(temp3), [temp4]"=&f"(temp4), [temp5]"=&f"(temp5),
+ [temp6]"=&f"(temp6), [temp7]"=&f"(temp7), [temp8]"=&f"(temp8),
+ [temp9]"=&f"(temp9), [p_delay]"+r"(p_delay), [p_ap_delay]"+r"(p_ap_delay),
+ [p_Q_fract]"+r"(p_Q_fract), [p_t_gain]"+r"(p_t_gain), [p_out]"+r"(p_out),
+ [ag0]"=&f"(ag0), [ag1]"=&f"(ag1), [ag2]"=&f"(ag2)
+ : [phi_fract0]"f"(phi_fract0), [phi_fract1]"f"(phi_fract1),
+ [len]"r"(len), [g_decay_slope]"f"(g_decay_slope)
+ : "memory"
+ );
+}
+
+static void ps_stereo_interpolate_mips(float (*l)[2], float (*r)[2],
+ float h[2][4], float h_step[2][4],
+ int len)
+{
+ float h0 = h[0][0];
+ float h1 = h[0][1];
+ float h2 = h[0][2];
+ float h3 = h[0][3];
+ float hs0 = h_step[0][0];
+ float hs1 = h_step[0][1];
+ float hs2 = h_step[0][2];
+ float hs3 = h_step[0][3];
+ float temp0, temp1, temp2, temp3;
+ float l_re, l_im, r_re, r_im;
+
+ len = (int)((int*)l + (len << 1));
+
+ __asm__ volatile(
+ ".set push \n\t"
+ ".set noreorder \n\t"
+ "1: \n\t"
+ "add.s %[h0], %[h0], %[hs0] \n\t"
+ "lwc1 %[l_re], 0(%[l]) \n\t"
+ "add.s %[h1], %[h1], %[hs1] \n\t"
+ "lwc1 %[r_re], 0(%[r]) \n\t"
+ "add.s %[h2], %[h2], %[hs2] \n\t"
+ "lwc1 %[l_im], 4(%[l]) \n\t"
+ "add.s %[h3], %[h3], %[hs3] \n\t"
+ "lwc1 %[r_im], 4(%[r]) \n\t"
+ "mul.s %[temp0], %[h0], %[l_re] \n\t"
+ "addiu %[l], %[l], 8 \n\t"
+ "mul.s %[temp2], %[h1], %[l_re] \n\t"
+ "addiu %[r], %[r], 8 \n\t"
+ "madd.s %[temp0], %[temp0], %[h2], %[r_re] \n\t"
+ "madd.s %[temp2], %[temp2], %[h3], %[r_re] \n\t"
+ "mul.s %[temp1], %[h0], %[l_im] \n\t"
+ "mul.s %[temp3], %[h1], %[l_im] \n\t"
+ "madd.s %[temp1], %[temp1], %[h2], %[r_im] \n\t"
+ "madd.s %[temp3], %[temp3], %[h3], %[r_im] \n\t"
+ "swc1 %[temp0], -8(%[l]) \n\t"
+ "swc1 %[temp2], -8(%[r]) \n\t"
+ "swc1 %[temp1], -4(%[l]) \n\t"
+ "bne %[l], %[len], 1b \n\t"
+ " swc1 %[temp3], -4(%[r]) \n\t"
+ ".set pop \n\t"
+
+ : [temp0]"=&f"(temp0), [temp1]"=&f"(temp1),
+ [temp2]"=&f"(temp2), [temp3]"=&f"(temp3),
+ [h0]"+f"(h0), [h1]"+f"(h1), [h2]"+f"(h2),
+ [h3]"+f"(h3), [l]"+r"(l), [r]"+r"(r),
+ [l_re]"=&f"(l_re), [l_im]"=&f"(l_im),
+ [r_re]"=&f"(r_re), [r_im]"=&f"(r_im)
+ : [hs0]"f"(hs0), [hs1]"f"(hs1), [hs2]"f"(hs2),
+ [hs3]"f"(hs3), [len]"r"(len)
+ : "memory"
+ );
+}
+#endif /* HAVE_MIPSFPU */
+#endif /* HAVE_INLINE_ASM */
+
+void ff_psdsp_init_mips(PSDSPContext *s)
+{
+#if HAVE_INLINE_ASM
+ s->hybrid_analysis_ileave = ps_hybrid_analysis_ileave_mips;
+ s->hybrid_synthesis_deint = ps_hybrid_synthesis_deint_mips;
+#if HAVE_MIPSFPU
+ s->add_squares = ps_add_squares_mips;
+ s->mul_pair_single = ps_mul_pair_single_mips;
+ s->decorrelate = ps_decorrelate_mips;
+ s->stereo_interpolate[0] = ps_stereo_interpolate_mips;
+#endif /* HAVE_MIPSFPU */
+#endif /* HAVE_INLINE_ASM */
+}
--
1.7.3.4
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