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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4349 | Serge | 1 | /* |
| 2 | * Copyright (c) 2012 |
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| 3 | * MIPS Technologies, Inc., California. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * 1. Redistributions of source code must retain the above copyright |
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| 9 | * notice, this list of conditions and the following disclaimer. |
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| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 11 | * notice, this list of conditions and the following disclaimer in the |
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| 12 | * documentation and/or other materials provided with the distribution. |
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| 13 | * 3. Neither the name of the MIPS Technologies, Inc., nor the names of its |
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| 14 | * contributors may be used to endorse or promote products derived from |
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| 15 | * this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE MIPS TECHNOLOGIES, INC. ``AS IS'' AND |
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| 18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE MIPS TECHNOLOGIES, INC. BE LIABLE |
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| 21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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| 23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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| 25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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| 26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 27 | * SUCH DAMAGE. |
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| 28 | * |
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| 29 | * Authors: Darko Laus (darko@mips.com) |
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| 30 | * Djordje Pesut (djordje@mips.com) |
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| 31 | * Mirjana Vulin (mvulin@mips.com) |
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| 32 | * |
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| 33 | * This file is part of FFmpeg. |
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| 34 | * |
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| 35 | * FFmpeg is free software; you can redistribute it and/or |
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| 36 | * modify it under the terms of the GNU Lesser General Public |
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| 37 | * License as published by the Free Software Foundation; either |
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| 38 | * version 2.1 of the License, or (at your option) any later version. |
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| 39 | * |
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| 40 | * FFmpeg is distributed in the hope that it will be useful, |
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| 41 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 42 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 43 | * Lesser General Public License for more details. |
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| 44 | * |
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| 45 | * You should have received a copy of the GNU Lesser General Public |
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| 46 | * License along with FFmpeg; if not, write to the Free Software |
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| 47 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 48 | */ |
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| 49 | |||
| 50 | /** |
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| 51 | * @file |
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| 52 | * Reference: libavcodec/aacdec.c |
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| 53 | */ |
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| 54 | |||
| 55 | #include "libavcodec/aac.h" |
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| 56 | #include "aacdec_mips.h" |
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| 57 | #include "libavcodec/aactab.h" |
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| 58 | #include "libavcodec/sinewin.h" |
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| 59 | |||
| 60 | #if HAVE_INLINE_ASM |
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| 61 | static av_always_inline int lcg_random(unsigned previous_val) |
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| 62 | { |
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| 63 | union { unsigned u; int s; } v = { previous_val * 1664525u + 1013904223 }; |
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| 64 | return v.s; |
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| 65 | } |
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| 66 | |||
| 67 | static void imdct_and_windowing_mips(AACContext *ac, SingleChannelElement *sce) |
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| 68 | { |
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| 69 | IndividualChannelStream *ics = &sce->ics; |
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| 70 | float *in = sce->coeffs; |
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| 71 | float *out = sce->ret; |
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| 72 | float *saved = sce->saved; |
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| 73 | const float *swindow = ics->use_kb_window[0] ? ff_aac_kbd_short_128 : ff_sine_128; |
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| 74 | const float *lwindow_prev = ics->use_kb_window[1] ? ff_aac_kbd_long_1024 : ff_sine_1024; |
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| 75 | const float *swindow_prev = ics->use_kb_window[1] ? ff_aac_kbd_short_128 : ff_sine_128; |
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| 76 | float *buf = ac->buf_mdct; |
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| 77 | int i; |
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| 78 | |||
| 79 | if (ics->window_sequence[0] == EIGHT_SHORT_SEQUENCE) { |
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| 80 | for (i = 0; i < 1024; i += 128) |
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| 81 | ac->mdct_small.imdct_half(&ac->mdct_small, buf + i, in + i); |
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| 82 | } else |
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| 83 | ac->mdct.imdct_half(&ac->mdct, buf, in); |
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| 84 | |||
| 85 | /* window overlapping |
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| 86 | * NOTE: To simplify the overlapping code, all 'meaningless' short to long |
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| 87 | * and long to short transitions are considered to be short to short |
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| 88 | * transitions. This leaves just two cases (long to long and short to short) |
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| 89 | * with a little special sauce for EIGHT_SHORT_SEQUENCE. |
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| 90 | */ |
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| 91 | if ((ics->window_sequence[1] == ONLY_LONG_SEQUENCE || ics->window_sequence[1] == LONG_STOP_SEQUENCE) && |
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| 92 | (ics->window_sequence[0] == ONLY_LONG_SEQUENCE || ics->window_sequence[0] == LONG_START_SEQUENCE)) { |
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| 93 | ac->fdsp.vector_fmul_window( out, saved, buf, lwindow_prev, 512); |
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| 94 | } else { |
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| 95 | { |
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| 96 | float *buf1 = saved; |
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| 97 | float *buf2 = out; |
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| 98 | int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7; |
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| 99 | int loop_end; |
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| 100 | |||
| 101 | /* loop unrolled 8 times */ |
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| 102 | __asm__ volatile ( |
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| 103 | ".set push \n\t" |
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| 104 | ".set noreorder \n\t" |
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| 105 | "addiu %[loop_end], %[src], 1792 \n\t" |
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| 106 | "1: \n\t" |
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| 107 | "lw %[temp0], 0(%[src]) \n\t" |
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| 108 | "lw %[temp1], 4(%[src]) \n\t" |
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| 109 | "lw %[temp2], 8(%[src]) \n\t" |
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| 110 | "lw %[temp3], 12(%[src]) \n\t" |
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| 111 | "lw %[temp4], 16(%[src]) \n\t" |
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| 112 | "lw %[temp5], 20(%[src]) \n\t" |
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| 113 | "lw %[temp6], 24(%[src]) \n\t" |
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| 114 | "lw %[temp7], 28(%[src]) \n\t" |
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| 115 | "addiu %[src], %[src], 32 \n\t" |
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| 116 | "sw %[temp0], 0(%[dst]) \n\t" |
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| 117 | "sw %[temp1], 4(%[dst]) \n\t" |
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| 118 | "sw %[temp2], 8(%[dst]) \n\t" |
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| 119 | "sw %[temp3], 12(%[dst]) \n\t" |
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| 120 | "sw %[temp4], 16(%[dst]) \n\t" |
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| 121 | "sw %[temp5], 20(%[dst]) \n\t" |
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| 122 | "sw %[temp6], 24(%[dst]) \n\t" |
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| 123 | "sw %[temp7], 28(%[dst]) \n\t" |
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| 124 | "bne %[src], %[loop_end], 1b \n\t" |
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| 125 | " addiu %[dst], %[dst], 32 \n\t" |
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| 126 | ".set pop \n\t" |
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| 127 | |||
| 128 | : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), |
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| 129 | [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), |
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| 130 | [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), |
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| 131 | [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), |
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| 132 | [loop_end]"=&r"(loop_end), [src]"+r"(buf1), |
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| 133 | [dst]"+r"(buf2) |
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| 134 | : |
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| 135 | : "memory" |
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| 136 | ); |
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| 137 | } |
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| 138 | |||
| 139 | if (ics->window_sequence[0] == EIGHT_SHORT_SEQUENCE) { |
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| 140 | { |
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| 141 | float wi; |
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| 142 | float wj; |
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| 143 | int i; |
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| 144 | float temp0, temp1, temp2, temp3; |
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| 145 | float *dst0 = out + 448 + 0*128; |
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| 146 | float *dst1 = dst0 + 64 + 63; |
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| 147 | float *dst2 = saved + 63; |
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| 148 | float *win0 = (float*)swindow; |
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| 149 | float *win1 = win0 + 64 + 63; |
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| 150 | float *win0_prev = (float*)swindow_prev; |
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| 151 | float *win1_prev = win0_prev + 64 + 63; |
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| 152 | float *src0_prev = saved + 448; |
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| 153 | float *src1_prev = buf + 0*128 + 63; |
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| 154 | float *src0 = buf + 0*128 + 64; |
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| 155 | float *src1 = buf + 1*128 + 63; |
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| 156 | |||
| 157 | for(i = 0; i < 64; i++) |
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| 158 | { |
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| 159 | temp0 = src0_prev[0]; |
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| 160 | temp1 = src1_prev[0]; |
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| 161 | wi = *win0_prev; |
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| 162 | wj = *win1_prev; |
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| 163 | temp2 = src0[0]; |
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| 164 | temp3 = src1[0]; |
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| 165 | dst0[0] = temp0 * wj - temp1 * wi; |
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| 166 | dst1[0] = temp0 * wi + temp1 * wj; |
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| 167 | |||
| 168 | wi = *win0; |
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| 169 | wj = *win1; |
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| 170 | |||
| 171 | temp0 = src0[128]; |
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| 172 | temp1 = src1[128]; |
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| 173 | dst0[128] = temp2 * wj - temp3 * wi; |
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| 174 | dst1[128] = temp2 * wi + temp3 * wj; |
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| 175 | |||
| 176 | temp2 = src0[256]; |
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| 177 | temp3 = src1[256]; |
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| 178 | dst0[256] = temp0 * wj - temp1 * wi; |
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| 179 | dst1[256] = temp0 * wi + temp1 * wj; |
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| 180 | dst0[384] = temp2 * wj - temp3 * wi; |
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| 181 | dst1[384] = temp2 * wi + temp3 * wj; |
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| 182 | |||
| 183 | temp0 = src0[384]; |
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| 184 | temp1 = src1[384]; |
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| 185 | dst0[512] = temp0 * wj - temp1 * wi; |
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| 186 | dst2[0] = temp0 * wi + temp1 * wj; |
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| 187 | |||
| 188 | src0++; |
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| 189 | src1--; |
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| 190 | src0_prev++; |
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| 191 | src1_prev--; |
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| 192 | win0++; |
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| 193 | win1--; |
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| 194 | win0_prev++; |
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| 195 | win1_prev--; |
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| 196 | dst0++; |
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| 197 | dst1--; |
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| 198 | dst2--; |
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| 199 | } |
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| 200 | } |
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| 201 | } else { |
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| 202 | ac->fdsp.vector_fmul_window(out + 448, saved + 448, buf, swindow_prev, 64); |
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| 203 | { |
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| 204 | float *buf1 = buf + 64; |
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| 205 | float *buf2 = out + 576; |
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| 206 | int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7; |
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| 207 | int loop_end; |
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| 208 | |||
| 209 | /* loop unrolled 8 times */ |
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| 210 | __asm__ volatile ( |
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| 211 | ".set push \n\t" |
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| 212 | ".set noreorder \n\t" |
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| 213 | "addiu %[loop_end], %[src], 1792 \n\t" |
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| 214 | "1: \n\t" |
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| 215 | "lw %[temp0], 0(%[src]) \n\t" |
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| 216 | "lw %[temp1], 4(%[src]) \n\t" |
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| 217 | "lw %[temp2], 8(%[src]) \n\t" |
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| 218 | "lw %[temp3], 12(%[src]) \n\t" |
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| 219 | "lw %[temp4], 16(%[src]) \n\t" |
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| 220 | "lw %[temp5], 20(%[src]) \n\t" |
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| 221 | "lw %[temp6], 24(%[src]) \n\t" |
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| 222 | "lw %[temp7], 28(%[src]) \n\t" |
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| 223 | "addiu %[src], %[src], 32 \n\t" |
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| 224 | "sw %[temp0], 0(%[dst]) \n\t" |
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| 225 | "sw %[temp1], 4(%[dst]) \n\t" |
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| 226 | "sw %[temp2], 8(%[dst]) \n\t" |
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| 227 | "sw %[temp3], 12(%[dst]) \n\t" |
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| 228 | "sw %[temp4], 16(%[dst]) \n\t" |
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| 229 | "sw %[temp5], 20(%[dst]) \n\t" |
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| 230 | "sw %[temp6], 24(%[dst]) \n\t" |
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| 231 | "sw %[temp7], 28(%[dst]) \n\t" |
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| 232 | "bne %[src], %[loop_end], 1b \n\t" |
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| 233 | " addiu %[dst], %[dst], 32 \n\t" |
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| 234 | ".set pop \n\t" |
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| 235 | |||
| 236 | : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), |
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| 237 | [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), |
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| 238 | [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), |
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| 239 | [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), |
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| 240 | [loop_end]"=&r"(loop_end), [src]"+r"(buf1), |
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| 241 | [dst]"+r"(buf2) |
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| 242 | : |
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| 243 | : "memory" |
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| 244 | ); |
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| 245 | } |
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| 246 | } |
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| 247 | } |
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| 248 | |||
| 249 | // buffer update |
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| 250 | if (ics->window_sequence[0] == EIGHT_SHORT_SEQUENCE) { |
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| 251 | ac->fdsp.vector_fmul_window(saved + 64, buf + 4*128 + 64, buf + 5*128, swindow, 64); |
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| 252 | ac->fdsp.vector_fmul_window(saved + 192, buf + 5*128 + 64, buf + 6*128, swindow, 64); |
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| 253 | ac->fdsp.vector_fmul_window(saved + 320, buf + 6*128 + 64, buf + 7*128, swindow, 64); |
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| 254 | { |
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| 255 | float *buf1 = buf + 7*128 + 64; |
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| 256 | float *buf2 = saved + 448; |
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| 257 | int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7; |
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| 258 | int loop_end; |
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| 259 | |||
| 260 | /* loop unrolled 8 times */ |
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| 261 | __asm__ volatile ( |
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| 262 | ".set push \n\t" |
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| 263 | ".set noreorder \n\t" |
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| 264 | "addiu %[loop_end], %[src], 256 \n\t" |
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| 265 | "1: \n\t" |
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| 266 | "lw %[temp0], 0(%[src]) \n\t" |
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| 267 | "lw %[temp1], 4(%[src]) \n\t" |
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| 268 | "lw %[temp2], 8(%[src]) \n\t" |
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| 269 | "lw %[temp3], 12(%[src]) \n\t" |
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| 270 | "lw %[temp4], 16(%[src]) \n\t" |
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| 271 | "lw %[temp5], 20(%[src]) \n\t" |
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| 272 | "lw %[temp6], 24(%[src]) \n\t" |
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| 273 | "lw %[temp7], 28(%[src]) \n\t" |
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| 274 | "addiu %[src], %[src], 32 \n\t" |
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| 275 | "sw %[temp0], 0(%[dst]) \n\t" |
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| 276 | "sw %[temp1], 4(%[dst]) \n\t" |
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| 277 | "sw %[temp2], 8(%[dst]) \n\t" |
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| 278 | "sw %[temp3], 12(%[dst]) \n\t" |
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| 279 | "sw %[temp4], 16(%[dst]) \n\t" |
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| 280 | "sw %[temp5], 20(%[dst]) \n\t" |
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| 281 | "sw %[temp6], 24(%[dst]) \n\t" |
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| 282 | "sw %[temp7], 28(%[dst]) \n\t" |
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| 283 | "bne %[src], %[loop_end], 1b \n\t" |
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| 284 | " addiu %[dst], %[dst], 32 \n\t" |
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| 285 | ".set pop \n\t" |
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| 286 | |||
| 287 | : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), |
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| 288 | [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), |
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| 289 | [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), |
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| 290 | [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), |
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| 291 | [loop_end]"=&r"(loop_end), [src]"+r"(buf1), |
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| 292 | [dst]"+r"(buf2) |
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| 293 | : |
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| 294 | : "memory" |
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| 295 | ); |
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| 296 | } |
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| 297 | } else if (ics->window_sequence[0] == LONG_START_SEQUENCE) { |
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| 298 | float *buf1 = buf + 512; |
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| 299 | float *buf2 = saved; |
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| 300 | int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7; |
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| 301 | int loop_end; |
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| 302 | |||
| 303 | /* loop unrolled 8 times */ |
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| 304 | __asm__ volatile ( |
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| 305 | ".set push \n\t" |
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| 306 | ".set noreorder \n\t" |
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| 307 | "addiu %[loop_end], %[src], 1792 \n\t" |
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| 308 | "1: \n\t" |
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| 309 | "lw %[temp0], 0(%[src]) \n\t" |
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| 310 | "lw %[temp1], 4(%[src]) \n\t" |
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| 311 | "lw %[temp2], 8(%[src]) \n\t" |
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| 312 | "lw %[temp3], 12(%[src]) \n\t" |
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| 313 | "lw %[temp4], 16(%[src]) \n\t" |
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| 314 | "lw %[temp5], 20(%[src]) \n\t" |
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| 315 | "lw %[temp6], 24(%[src]) \n\t" |
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| 316 | "lw %[temp7], 28(%[src]) \n\t" |
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| 317 | "addiu %[src], %[src], 32 \n\t" |
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| 318 | "sw %[temp0], 0(%[dst]) \n\t" |
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| 319 | "sw %[temp1], 4(%[dst]) \n\t" |
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| 320 | "sw %[temp2], 8(%[dst]) \n\t" |
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| 321 | "sw %[temp3], 12(%[dst]) \n\t" |
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| 322 | "sw %[temp4], 16(%[dst]) \n\t" |
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| 323 | "sw %[temp5], 20(%[dst]) \n\t" |
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| 324 | "sw %[temp6], 24(%[dst]) \n\t" |
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| 325 | "sw %[temp7], 28(%[dst]) \n\t" |
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| 326 | "bne %[src], %[loop_end], 1b \n\t" |
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| 327 | " addiu %[dst], %[dst], 32 \n\t" |
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| 328 | ".set pop \n\t" |
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| 329 | |||
| 330 | : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), |
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| 331 | [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), |
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| 332 | [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), |
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| 333 | [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), |
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| 334 | [loop_end]"=&r"(loop_end), [src]"+r"(buf1), |
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| 335 | [dst]"+r"(buf2) |
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| 336 | : |
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| 337 | : "memory" |
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| 338 | ); |
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| 339 | { |
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| 340 | float *buf1 = buf + 7*128 + 64; |
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| 341 | float *buf2 = saved + 448; |
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| 342 | int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7; |
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| 343 | int loop_end; |
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| 344 | |||
| 345 | /* loop unrolled 8 times */ |
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| 346 | __asm__ volatile ( |
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| 347 | ".set push \n\t" |
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| 348 | ".set noreorder \n\t" |
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| 349 | "addiu %[loop_end], %[src], 256 \n\t" |
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| 350 | "1: \n\t" |
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| 351 | "lw %[temp0], 0(%[src]) \n\t" |
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| 352 | "lw %[temp1], 4(%[src]) \n\t" |
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| 353 | "lw %[temp2], 8(%[src]) \n\t" |
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| 354 | "lw %[temp3], 12(%[src]) \n\t" |
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| 355 | "lw %[temp4], 16(%[src]) \n\t" |
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| 356 | "lw %[temp5], 20(%[src]) \n\t" |
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| 357 | "lw %[temp6], 24(%[src]) \n\t" |
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| 358 | "lw %[temp7], 28(%[src]) \n\t" |
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| 359 | "addiu %[src], %[src], 32 \n\t" |
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| 360 | "sw %[temp0], 0(%[dst]) \n\t" |
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| 361 | "sw %[temp1], 4(%[dst]) \n\t" |
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| 362 | "sw %[temp2], 8(%[dst]) \n\t" |
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| 363 | "sw %[temp3], 12(%[dst]) \n\t" |
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| 364 | "sw %[temp4], 16(%[dst]) \n\t" |
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| 365 | "sw %[temp5], 20(%[dst]) \n\t" |
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| 366 | "sw %[temp6], 24(%[dst]) \n\t" |
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| 367 | "sw %[temp7], 28(%[dst]) \n\t" |
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| 368 | "bne %[src], %[loop_end], 1b \n\t" |
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| 369 | " addiu %[dst], %[dst], 32 \n\t" |
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| 370 | ".set pop \n\t" |
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| 371 | |||
| 372 | : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), |
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| 373 | [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), |
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| 374 | [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), |
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| 375 | [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), |
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| 376 | [loop_end]"=&r"(loop_end), [src]"+r"(buf1), |
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| 377 | [dst]"+r"(buf2) |
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| 378 | : |
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| 379 | : "memory" |
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| 380 | ); |
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| 381 | } |
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| 382 | } else { // LONG_STOP or ONLY_LONG |
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| 383 | float *buf1 = buf + 512; |
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| 384 | float *buf2 = saved; |
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| 385 | int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7; |
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| 386 | int loop_end; |
||
| 387 | |||
| 388 | /* loop unrolled 8 times */ |
||
| 389 | __asm__ volatile ( |
||
| 390 | ".set push \n\t" |
||
| 391 | ".set noreorder \n\t" |
||
| 392 | "addiu %[loop_end], %[src], 2048 \n\t" |
||
| 393 | "1: \n\t" |
||
| 394 | "lw %[temp0], 0(%[src]) \n\t" |
||
| 395 | "lw %[temp1], 4(%[src]) \n\t" |
||
| 396 | "lw %[temp2], 8(%[src]) \n\t" |
||
| 397 | "lw %[temp3], 12(%[src]) \n\t" |
||
| 398 | "lw %[temp4], 16(%[src]) \n\t" |
||
| 399 | "lw %[temp5], 20(%[src]) \n\t" |
||
| 400 | "lw %[temp6], 24(%[src]) \n\t" |
||
| 401 | "lw %[temp7], 28(%[src]) \n\t" |
||
| 402 | "addiu %[src], %[src], 32 \n\t" |
||
| 403 | "sw %[temp0], 0(%[dst]) \n\t" |
||
| 404 | "sw %[temp1], 4(%[dst]) \n\t" |
||
| 405 | "sw %[temp2], 8(%[dst]) \n\t" |
||
| 406 | "sw %[temp3], 12(%[dst]) \n\t" |
||
| 407 | "sw %[temp4], 16(%[dst]) \n\t" |
||
| 408 | "sw %[temp5], 20(%[dst]) \n\t" |
||
| 409 | "sw %[temp6], 24(%[dst]) \n\t" |
||
| 410 | "sw %[temp7], 28(%[dst]) \n\t" |
||
| 411 | "bne %[src], %[loop_end], 1b \n\t" |
||
| 412 | " addiu %[dst], %[dst], 32 \n\t" |
||
| 413 | ".set pop \n\t" |
||
| 414 | |||
| 415 | : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), |
||
| 416 | [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), |
||
| 417 | [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), |
||
| 418 | [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), |
||
| 419 | [loop_end]"=&r"(loop_end), [src]"+r"(buf1), |
||
| 420 | [dst]"+r"(buf2) |
||
| 421 | : |
||
| 422 | : "memory" |
||
| 423 | ); |
||
| 424 | } |
||
| 425 | } |
||
| 426 | |||
| 427 | static void apply_ltp_mips(AACContext *ac, SingleChannelElement *sce) |
||
| 428 | { |
||
| 429 | const LongTermPrediction *ltp = &sce->ics.ltp; |
||
| 430 | const uint16_t *offsets = sce->ics.swb_offset; |
||
| 431 | int i, sfb; |
||
| 432 | int j, k; |
||
| 433 | |||
| 434 | if (sce->ics.window_sequence[0] != EIGHT_SHORT_SEQUENCE) { |
||
| 435 | float *predTime = sce->ret; |
||
| 436 | float *predFreq = ac->buf_mdct; |
||
| 437 | float *p_predTime; |
||
| 438 | int16_t num_samples = 2048; |
||
| 439 | |||
| 440 | if (ltp->lag < 1024) |
||
| 441 | num_samples = ltp->lag + 1024; |
||
| 442 | j = (2048 - num_samples) >> 2; |
||
| 443 | k = (2048 - num_samples) & 3; |
||
| 444 | p_predTime = &predTime[num_samples]; |
||
| 445 | |||
| 446 | for (i = 0; i < num_samples; i++) |
||
| 447 | predTime[i] = sce->ltp_state[i + 2048 - ltp->lag] * ltp->coef; |
||
| 448 | for (i = 0; i < j; i++) { |
||
| 449 | |||
| 450 | /* loop unrolled 4 times */ |
||
| 451 | __asm__ volatile ( |
||
| 452 | "sw $0, 0(%[p_predTime]) \n\t" |
||
| 453 | "sw $0, 4(%[p_predTime]) \n\t" |
||
| 454 | "sw $0, 8(%[p_predTime]) \n\t" |
||
| 455 | "sw $0, 12(%[p_predTime]) \n\t" |
||
| 456 | "addiu %[p_predTime], %[p_predTime], 16 \n\t" |
||
| 457 | |||
| 458 | : [p_predTime]"+r"(p_predTime) |
||
| 459 | : |
||
| 460 | : "memory" |
||
| 461 | ); |
||
| 462 | } |
||
| 463 | for (i = 0; i < k; i++) { |
||
| 464 | |||
| 465 | __asm__ volatile ( |
||
| 466 | "sw $0, 0(%[p_predTime]) \n\t" |
||
| 467 | "addiu %[p_predTime], %[p_predTime], 4 \n\t" |
||
| 468 | |||
| 469 | : [p_predTime]"+r"(p_predTime) |
||
| 470 | : |
||
| 471 | : "memory" |
||
| 472 | ); |
||
| 473 | } |
||
| 474 | |||
| 475 | ac->windowing_and_mdct_ltp(ac, predFreq, predTime, &sce->ics); |
||
| 476 | |||
| 477 | if (sce->tns.present) |
||
| 478 | ac->apply_tns(predFreq, &sce->tns, &sce->ics, 0); |
||
| 479 | |||
| 480 | for (sfb = 0; sfb < FFMIN(sce->ics.max_sfb, MAX_LTP_LONG_SFB); sfb++) |
||
| 481 | if (ltp->used[sfb]) |
||
| 482 | for (i = offsets[sfb]; i < offsets[sfb + 1]; i++) |
||
| 483 | sce->coeffs[i] += predFreq[i]; |
||
| 484 | } |
||
| 485 | } |
||
| 486 | |||
| 487 | #if HAVE_MIPSFPU |
||
| 488 | static void update_ltp_mips(AACContext *ac, SingleChannelElement *sce) |
||
| 489 | { |
||
| 490 | IndividualChannelStream *ics = &sce->ics; |
||
| 491 | float *saved = sce->saved; |
||
| 492 | float *saved_ltp = sce->coeffs; |
||
| 493 | const float *lwindow = ics->use_kb_window[0] ? ff_aac_kbd_long_1024 : ff_sine_1024; |
||
| 494 | const float *swindow = ics->use_kb_window[0] ? ff_aac_kbd_short_128 : ff_sine_128; |
||
| 495 | int i; |
||
| 496 | int loop_end, loop_end1, loop_end2; |
||
| 497 | float temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8, temp9, temp10, temp11; |
||
| 498 | |||
| 499 | if (ics->window_sequence[0] == EIGHT_SHORT_SEQUENCE) { |
||
| 500 | float *buf = saved; |
||
| 501 | float *buf0 = saved_ltp; |
||
| 502 | float *p_saved_ltp = saved_ltp + 576; |
||
| 503 | float *ptr1 = &saved_ltp[512]; |
||
| 504 | float *ptr2 = &ac->buf_mdct[1023]; |
||
| 505 | float *ptr3 = (float*)&swindow[63]; |
||
| 506 | loop_end1 = (int)(p_saved_ltp + 448); |
||
| 507 | |||
| 508 | /* loop unrolled 8 times */ |
||
| 509 | __asm__ volatile ( |
||
| 510 | ".set push \n\t" |
||
| 511 | ".set noreorder \n\t" |
||
| 512 | "addiu %[loop_end], %[src], 2048 \n\t" |
||
| 513 | "1: \n\t" |
||
| 514 | "lw %[temp0], 0(%[src]) \n\t" |
||
| 515 | "lw %[temp1], 4(%[src]) \n\t" |
||
| 516 | "lw %[temp2], 8(%[src]) \n\t" |
||
| 517 | "lw %[temp3], 12(%[src]) \n\t" |
||
| 518 | "lw %[temp4], 16(%[src]) \n\t" |
||
| 519 | "lw %[temp5], 20(%[src]) \n\t" |
||
| 520 | "lw %[temp6], 24(%[src]) \n\t" |
||
| 521 | "lw %[temp7], 28(%[src]) \n\t" |
||
| 522 | "addiu %[src], %[src], 32 \n\t" |
||
| 523 | "sw %[temp0], 0(%[dst]) \n\t" |
||
| 524 | "sw %[temp1], 4(%[dst]) \n\t" |
||
| 525 | "sw %[temp2], 8(%[dst]) \n\t" |
||
| 526 | "sw %[temp3], 12(%[dst]) \n\t" |
||
| 527 | "sw %[temp4], 16(%[dst]) \n\t" |
||
| 528 | "sw %[temp5], 20(%[dst]) \n\t" |
||
| 529 | "sw %[temp6], 24(%[dst]) \n\t" |
||
| 530 | "sw %[temp7], 28(%[dst]) \n\t" |
||
| 531 | "bne %[src], %[loop_end], 1b \n\t" |
||
| 532 | " addiu %[dst], %[dst], 32 \n\t" |
||
| 533 | ".set pop \n\t" |
||
| 534 | |||
| 535 | : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), |
||
| 536 | [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), |
||
| 537 | [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), |
||
| 538 | [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), |
||
| 539 | [loop_end]"=&r"(loop_end), [src]"+r"(buf), |
||
| 540 | [dst]"+r"(buf0) |
||
| 541 | : |
||
| 542 | : "memory" |
||
| 543 | ); |
||
| 544 | |||
| 545 | /* loop unrolled 8 times */ |
||
| 546 | __asm__ volatile ( |
||
| 547 | "1: \n\t" |
||
| 548 | "sw $0, 0(%[p_saved_ltp]) \n\t" |
||
| 549 | "sw $0, 4(%[p_saved_ltp]) \n\t" |
||
| 550 | "sw $0, 8(%[p_saved_ltp]) \n\t" |
||
| 551 | "sw $0, 12(%[p_saved_ltp]) \n\t" |
||
| 552 | "sw $0, 16(%[p_saved_ltp]) \n\t" |
||
| 553 | "sw $0, 20(%[p_saved_ltp]) \n\t" |
||
| 554 | "sw $0, 24(%[p_saved_ltp]) \n\t" |
||
| 555 | "sw $0, 28(%[p_saved_ltp]) \n\t" |
||
| 556 | "addiu %[p_saved_ltp], %[p_saved_ltp], 32 \n\t" |
||
| 557 | "bne %[p_saved_ltp], %[loop_end1], 1b \n\t" |
||
| 558 | |||
| 559 | : [p_saved_ltp]"+r"(p_saved_ltp) |
||
| 560 | : [loop_end1]"r"(loop_end1) |
||
| 561 | : "memory" |
||
| 562 | ); |
||
| 563 | |||
| 564 | ac->fdsp.vector_fmul_reverse(saved_ltp + 448, ac->buf_mdct + 960, &swindow[64], 64); |
||
| 565 | for (i = 0; i < 16; i++){ |
||
| 566 | /* loop unrolled 4 times */ |
||
| 567 | __asm__ volatile ( |
||
| 568 | "lwc1 %[temp0], 0(%[ptr2]) \n\t" |
||
| 569 | "lwc1 %[temp1], -4(%[ptr2]) \n\t" |
||
| 570 | "lwc1 %[temp2], -8(%[ptr2]) \n\t" |
||
| 571 | "lwc1 %[temp3], -12(%[ptr2]) \n\t" |
||
| 572 | "lwc1 %[temp4], 0(%[ptr3]) \n\t" |
||
| 573 | "lwc1 %[temp5], -4(%[ptr3]) \n\t" |
||
| 574 | "lwc1 %[temp6], -8(%[ptr3]) \n\t" |
||
| 575 | "lwc1 %[temp7], -12(%[ptr3]) \n\t" |
||
| 576 | "mul.s %[temp8], %[temp0], %[temp4] \n\t" |
||
| 577 | "mul.s %[temp9], %[temp1], %[temp5] \n\t" |
||
| 578 | "mul.s %[temp10], %[temp2], %[temp6] \n\t" |
||
| 579 | "mul.s %[temp11], %[temp3], %[temp7] \n\t" |
||
| 580 | "swc1 %[temp8], 0(%[ptr1]) \n\t" |
||
| 581 | "swc1 %[temp9], 4(%[ptr1]) \n\t" |
||
| 582 | "swc1 %[temp10], 8(%[ptr1]) \n\t" |
||
| 583 | "swc1 %[temp11], 12(%[ptr1]) \n\t" |
||
| 584 | "addiu %[ptr1], %[ptr1], 16 \n\t" |
||
| 585 | "addiu %[ptr2], %[ptr2], -16 \n\t" |
||
| 586 | "addiu %[ptr3], %[ptr3], -16 \n\t" |
||
| 587 | |||
| 588 | : [temp0]"=&f"(temp0), [temp1]"=&f"(temp1), |
||
| 589 | [temp2]"=&f"(temp2), [temp3]"=&f"(temp3), |
||
| 590 | [temp4]"=&f"(temp4), [temp5]"=&f"(temp5), |
||
| 591 | [temp6]"=&f"(temp6), [temp7]"=&f"(temp7), |
||
| 592 | [temp8]"=&f"(temp8), [temp9]"=&f"(temp9), |
||
| 593 | [temp10]"=&f"(temp10), [temp11]"=&f"(temp11), |
||
| 594 | [ptr1]"+r"(ptr1), [ptr2]"+r"(ptr2), [ptr3]"+r"(ptr3) |
||
| 595 | : |
||
| 596 | : "memory" |
||
| 597 | ); |
||
| 598 | } |
||
| 599 | } else if (ics->window_sequence[0] == LONG_START_SEQUENCE) { |
||
| 600 | float *buff0 = saved; |
||
| 601 | float *buff1 = saved_ltp; |
||
| 602 | float *ptr1 = &saved_ltp[512]; |
||
| 603 | float *ptr2 = &ac->buf_mdct[1023]; |
||
| 604 | float *ptr3 = (float*)&swindow[63]; |
||
| 605 | loop_end = (int)(saved + 448); |
||
| 606 | |||
| 607 | /* loop unrolled 8 times */ |
||
| 608 | __asm__ volatile ( |
||
| 609 | ".set push \n\t" |
||
| 610 | ".set noreorder \n\t" |
||
| 611 | "1: \n\t" |
||
| 612 | "lw %[temp0], 0(%[src]) \n\t" |
||
| 613 | "lw %[temp1], 4(%[src]) \n\t" |
||
| 614 | "lw %[temp2], 8(%[src]) \n\t" |
||
| 615 | "lw %[temp3], 12(%[src]) \n\t" |
||
| 616 | "lw %[temp4], 16(%[src]) \n\t" |
||
| 617 | "lw %[temp5], 20(%[src]) \n\t" |
||
| 618 | "lw %[temp6], 24(%[src]) \n\t" |
||
| 619 | "lw %[temp7], 28(%[src]) \n\t" |
||
| 620 | "addiu %[src], %[src], 32 \n\t" |
||
| 621 | "sw %[temp0], 0(%[dst]) \n\t" |
||
| 622 | "sw %[temp1], 4(%[dst]) \n\t" |
||
| 623 | "sw %[temp2], 8(%[dst]) \n\t" |
||
| 624 | "sw %[temp3], 12(%[dst]) \n\t" |
||
| 625 | "sw %[temp4], 16(%[dst]) \n\t" |
||
| 626 | "sw %[temp5], 20(%[dst]) \n\t" |
||
| 627 | "sw %[temp6], 24(%[dst]) \n\t" |
||
| 628 | "sw %[temp7], 28(%[dst]) \n\t" |
||
| 629 | "sw $0, 2304(%[dst]) \n\t" |
||
| 630 | "sw $0, 2308(%[dst]) \n\t" |
||
| 631 | "sw $0, 2312(%[dst]) \n\t" |
||
| 632 | "sw $0, 2316(%[dst]) \n\t" |
||
| 633 | "sw $0, 2320(%[dst]) \n\t" |
||
| 634 | "sw $0, 2324(%[dst]) \n\t" |
||
| 635 | "sw $0, 2328(%[dst]) \n\t" |
||
| 636 | "sw $0, 2332(%[dst]) \n\t" |
||
| 637 | "bne %[src], %[loop_end], 1b \n\t" |
||
| 638 | " addiu %[dst], %[dst], 32 \n\t" |
||
| 639 | ".set pop \n\t" |
||
| 640 | |||
| 641 | : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), |
||
| 642 | [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), |
||
| 643 | [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), |
||
| 644 | [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), |
||
| 645 | [src]"+r"(buff0), [dst]"+r"(buff1) |
||
| 646 | : [loop_end]"r"(loop_end) |
||
| 647 | : "memory" |
||
| 648 | ); |
||
| 649 | ac->fdsp.vector_fmul_reverse(saved_ltp + 448, ac->buf_mdct + 960, &swindow[64], 64); |
||
| 650 | for (i = 0; i < 16; i++){ |
||
| 651 | /* loop unrolled 8 times */ |
||
| 652 | __asm__ volatile ( |
||
| 653 | "lwc1 %[temp0], 0(%[ptr2]) \n\t" |
||
| 654 | "lwc1 %[temp1], -4(%[ptr2]) \n\t" |
||
| 655 | "lwc1 %[temp2], -8(%[ptr2]) \n\t" |
||
| 656 | "lwc1 %[temp3], -12(%[ptr2]) \n\t" |
||
| 657 | "lwc1 %[temp4], 0(%[ptr3]) \n\t" |
||
| 658 | "lwc1 %[temp5], -4(%[ptr3]) \n\t" |
||
| 659 | "lwc1 %[temp6], -8(%[ptr3]) \n\t" |
||
| 660 | "lwc1 %[temp7], -12(%[ptr3]) \n\t" |
||
| 661 | "mul.s %[temp8], %[temp0], %[temp4] \n\t" |
||
| 662 | "mul.s %[temp9], %[temp1], %[temp5] \n\t" |
||
| 663 | "mul.s %[temp10], %[temp2], %[temp6] \n\t" |
||
| 664 | "mul.s %[temp11], %[temp3], %[temp7] \n\t" |
||
| 665 | "swc1 %[temp8], 0(%[ptr1]) \n\t" |
||
| 666 | "swc1 %[temp9], 4(%[ptr1]) \n\t" |
||
| 667 | "swc1 %[temp10], 8(%[ptr1]) \n\t" |
||
| 668 | "swc1 %[temp11], 12(%[ptr1]) \n\t" |
||
| 669 | "addiu %[ptr1], %[ptr1], 16 \n\t" |
||
| 670 | "addiu %[ptr2], %[ptr2], -16 \n\t" |
||
| 671 | "addiu %[ptr3], %[ptr3], -16 \n\t" |
||
| 672 | |||
| 673 | : [temp0]"=&f"(temp0), [temp1]"=&f"(temp1), |
||
| 674 | [temp2]"=&f"(temp2), [temp3]"=&f"(temp3), |
||
| 675 | [temp4]"=&f"(temp4), [temp5]"=&f"(temp5), |
||
| 676 | [temp6]"=&f"(temp6), [temp7]"=&f"(temp7), |
||
| 677 | [temp8]"=&f"(temp8), [temp9]"=&f"(temp9), |
||
| 678 | [temp10]"=&f"(temp10), [temp11]"=&f"(temp11), |
||
| 679 | [ptr1]"+r"(ptr1), [ptr2]"+r"(ptr2), [ptr3]"+r"(ptr3) |
||
| 680 | : |
||
| 681 | : "memory" |
||
| 682 | ); |
||
| 683 | } |
||
| 684 | } else { // LONG_STOP or ONLY_LONG |
||
| 685 | float *ptr1, *ptr2, *ptr3; |
||
| 686 | ac->fdsp.vector_fmul_reverse(saved_ltp, ac->buf_mdct + 512, &lwindow[512], 512); |
||
| 687 | |||
| 688 | ptr1 = &saved_ltp[512]; |
||
| 689 | ptr2 = &ac->buf_mdct[1023]; |
||
| 690 | ptr3 = (float*)&lwindow[511]; |
||
| 691 | |||
| 692 | for (i = 0; i < 512; i+=4){ |
||
| 693 | /* loop unrolled 4 times */ |
||
| 694 | __asm__ volatile ( |
||
| 695 | "lwc1 %[temp0], 0(%[ptr2]) \n\t" |
||
| 696 | "lwc1 %[temp1], -4(%[ptr2]) \n\t" |
||
| 697 | "lwc1 %[temp2], -8(%[ptr2]) \n\t" |
||
| 698 | "lwc1 %[temp3], -12(%[ptr2]) \n\t" |
||
| 699 | "lwc1 %[temp4], 0(%[ptr3]) \n\t" |
||
| 700 | "lwc1 %[temp5], -4(%[ptr3]) \n\t" |
||
| 701 | "lwc1 %[temp6], -8(%[ptr3]) \n\t" |
||
| 702 | "lwc1 %[temp7], -12(%[ptr3]) \n\t" |
||
| 703 | "mul.s %[temp8], %[temp0], %[temp4] \n\t" |
||
| 704 | "mul.s %[temp9], %[temp1], %[temp5] \n\t" |
||
| 705 | "mul.s %[temp10], %[temp2], %[temp6] \n\t" |
||
| 706 | "mul.s %[temp11], %[temp3], %[temp7] \n\t" |
||
| 707 | "swc1 %[temp8], 0(%[ptr1]) \n\t" |
||
| 708 | "swc1 %[temp9], 4(%[ptr1]) \n\t" |
||
| 709 | "swc1 %[temp10], 8(%[ptr1]) \n\t" |
||
| 710 | "swc1 %[temp11], 12(%[ptr1]) \n\t" |
||
| 711 | "addiu %[ptr1], %[ptr1], 16 \n\t" |
||
| 712 | "addiu %[ptr2], %[ptr2], -16 \n\t" |
||
| 713 | "addiu %[ptr3], %[ptr3], -16 \n\t" |
||
| 714 | |||
| 715 | : [temp0]"=&f"(temp0), [temp1]"=&f"(temp1), |
||
| 716 | [temp2]"=&f"(temp2), [temp3]"=&f"(temp3), |
||
| 717 | [temp4]"=&f"(temp4), [temp5]"=&f"(temp5), |
||
| 718 | [temp6]"=&f"(temp6), [temp7]"=&f"(temp7), |
||
| 719 | [temp8]"=&f"(temp8), [temp9]"=&f"(temp9), |
||
| 720 | [temp10]"=&f"(temp10), [temp11]"=&f"(temp11), |
||
| 721 | [ptr1]"+r"(ptr1), [ptr2]"+r"(ptr2), |
||
| 722 | [ptr3]"+r"(ptr3) |
||
| 723 | : |
||
| 724 | : "memory" |
||
| 725 | ); |
||
| 726 | } |
||
| 727 | } |
||
| 728 | |||
| 729 | { |
||
| 730 | float *buf1 = sce->ltp_state+1024; |
||
| 731 | float *buf2 = sce->ltp_state; |
||
| 732 | float *buf3 = sce->ret; |
||
| 733 | float *buf4 = sce->ltp_state+1024; |
||
| 734 | float *buf5 = saved_ltp; |
||
| 735 | float *buf6 = sce->ltp_state+2048; |
||
| 736 | |||
| 737 | /* loops unrolled 8 times */ |
||
| 738 | __asm__ volatile ( |
||
| 739 | ".set push \n\t" |
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| 740 | ".set noreorder \n\t" |
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| 741 | "addiu %[loop_end], %[src], 4096 \n\t" |
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| 742 | "addiu %[loop_end1], %[src1], 4096 \n\t" |
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| 743 | "addiu %[loop_end2], %[src2], 4096 \n\t" |
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| 744 | "1: \n\t" |
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| 745 | "lw %[temp0], 0(%[src]) \n\t" |
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| 746 | "lw %[temp1], 4(%[src]) \n\t" |
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| 747 | "lw %[temp2], 8(%[src]) \n\t" |
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| 748 | "lw %[temp3], 12(%[src]) \n\t" |
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| 749 | "lw %[temp4], 16(%[src]) \n\t" |
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| 750 | "lw %[temp5], 20(%[src]) \n\t" |
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| 751 | "lw %[temp6], 24(%[src]) \n\t" |
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| 752 | "lw %[temp7], 28(%[src]) \n\t" |
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| 753 | "addiu %[src], %[src], 32 \n\t" |
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| 754 | "sw %[temp0], 0(%[dst]) \n\t" |
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| 755 | "sw %[temp1], 4(%[dst]) \n\t" |
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| 756 | "sw %[temp2], 8(%[dst]) \n\t" |
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| 757 | "sw %[temp3], 12(%[dst]) \n\t" |
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| 758 | "sw %[temp4], 16(%[dst]) \n\t" |
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| 759 | "sw %[temp5], 20(%[dst]) \n\t" |
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| 760 | "sw %[temp6], 24(%[dst]) \n\t" |
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| 761 | "sw %[temp7], 28(%[dst]) \n\t" |
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| 762 | "bne %[src], %[loop_end], 1b \n\t" |
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| 763 | " addiu %[dst], %[dst], 32 \n\t" |
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| 764 | "2: \n\t" |
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| 765 | "lw %[temp0], 0(%[src1]) \n\t" |
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| 766 | "lw %[temp1], 4(%[src1]) \n\t" |
||
| 767 | "lw %[temp2], 8(%[src1]) \n\t" |
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| 768 | "lw %[temp3], 12(%[src1]) \n\t" |
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| 769 | "lw %[temp4], 16(%[src1]) \n\t" |
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| 770 | "lw %[temp5], 20(%[src1]) \n\t" |
||
| 771 | "lw %[temp6], 24(%[src1]) \n\t" |
||
| 772 | "lw %[temp7], 28(%[src1]) \n\t" |
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| 773 | "addiu %[src1], %[src1], 32 \n\t" |
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| 774 | "sw %[temp0], 0(%[dst1]) \n\t" |
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| 775 | "sw %[temp1], 4(%[dst1]) \n\t" |
||
| 776 | "sw %[temp2], 8(%[dst1]) \n\t" |
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| 777 | "sw %[temp3], 12(%[dst1]) \n\t" |
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| 778 | "sw %[temp4], 16(%[dst1]) \n\t" |
||
| 779 | "sw %[temp5], 20(%[dst1]) \n\t" |
||
| 780 | "sw %[temp6], 24(%[dst1]) \n\t" |
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| 781 | "sw %[temp7], 28(%[dst1]) \n\t" |
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| 782 | "bne %[src1], %[loop_end1], 2b \n\t" |
||
| 783 | " addiu %[dst1], %[dst1], 32 \n\t" |
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| 784 | "3: \n\t" |
||
| 785 | "lw %[temp0], 0(%[src2]) \n\t" |
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| 786 | "lw %[temp1], 4(%[src2]) \n\t" |
||
| 787 | "lw %[temp2], 8(%[src2]) \n\t" |
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| 788 | "lw %[temp3], 12(%[src2]) \n\t" |
||
| 789 | "lw %[temp4], 16(%[src2]) \n\t" |
||
| 790 | "lw %[temp5], 20(%[src2]) \n\t" |
||
| 791 | "lw %[temp6], 24(%[src2]) \n\t" |
||
| 792 | "lw %[temp7], 28(%[src2]) \n\t" |
||
| 793 | "addiu %[src2], %[src2], 32 \n\t" |
||
| 794 | "sw %[temp0], 0(%[dst2]) \n\t" |
||
| 795 | "sw %[temp1], 4(%[dst2]) \n\t" |
||
| 796 | "sw %[temp2], 8(%[dst2]) \n\t" |
||
| 797 | "sw %[temp3], 12(%[dst2]) \n\t" |
||
| 798 | "sw %[temp4], 16(%[dst2]) \n\t" |
||
| 799 | "sw %[temp5], 20(%[dst2]) \n\t" |
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| 800 | "sw %[temp6], 24(%[dst2]) \n\t" |
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| 801 | "sw %[temp7], 28(%[dst2]) \n\t" |
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| 802 | "bne %[src2], %[loop_end2], 3b \n\t" |
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| 803 | " addiu %[dst2], %[dst2], 32 \n\t" |
||
| 804 | ".set pop \n\t" |
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| 805 | |||
| 806 | : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), |
||
| 807 | [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), |
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| 808 | [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), |
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| 809 | [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), |
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| 810 | [loop_end]"=&r"(loop_end), [loop_end1]"=&r"(loop_end1), |
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| 811 | [loop_end2]"=&r"(loop_end2), [src]"+r"(buf1), |
||
| 812 | [dst]"+r"(buf2), [src1]"+r"(buf3), [dst1]"+r"(buf4), |
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| 813 | [src2]"+r"(buf5), [dst2]"+r"(buf6) |
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| 814 | : |
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| 815 | : "memory" |
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| 816 | ); |
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| 817 | } |
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| 818 | } |
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| 819 | #endif /* HAVE_MIPSFPU */ |
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| 820 | #endif /* HAVE_INLINE_ASM */ |
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| 821 | |||
| 822 | void ff_aacdec_init_mips(AACContext *c) |
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| 823 | { |
||
| 824 | #if HAVE_INLINE_ASM |
||
| 825 | c->imdct_and_windowing = imdct_and_windowing_mips; |
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| 826 | c->apply_ltp = apply_ltp_mips; |
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| 827 | #if HAVE_MIPSFPU |
||
| 828 | c->update_ltp = update_ltp_mips; |
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| 829 | #endif /* HAVE_MIPSFPU */ |
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| 830 | #endif /* HAVE_INLINE_ASM */ |
||
| 831 | } |