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Side by Side Diff: patched-ffmpeg-mt/libavcodec/arm/mdct_neon.S

Issue 789004: ffmpeg roll of source to mar 9 version... (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/ffmpeg/
Patch Set: '' Created 10 years, 9 months ago
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1 /* 1 /*
2 * ARM NEON optimised MDCT 2 * ARM NEON optimised MDCT
3 * Copyright (c) 2009 Mans Rullgard <mans@mansr.com> 3 * Copyright (c) 2009 Mans Rullgard <mans@mansr.com>
4 * 4 *
5 * This file is part of FFmpeg. 5 * This file is part of FFmpeg.
6 * 6 *
7 * FFmpeg is free software; you can redistribute it and/or 7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public 8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either 9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version. 10 * version 2.1 of the License, or (at your option) any later version.
11 * 11 *
12 * FFmpeg is distributed in the hope that it will be useful, 12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details. 15 * Lesser General Public License for more details.
16 * 16 *
17 * You should have received a copy of the GNU Lesser General Public 17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software 18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */ 20 */
21 21
22 #include "asm.S" 22 #include "asm.S"
23 23
24 preserve8
25
24 .text 26 .text
25 27
26 #define ff_fft_calc_neon X(ff_fft_calc_neon) 28 #define ff_fft_calc_neon X(ff_fft_calc_neon)
27 29
28 function ff_imdct_half_neon, export=1 30 function ff_imdct_half_neon, export=1
29 push {r4-r8,lr} 31 push {r4-r8,lr}
30 32
31 mov r12, #1 33 mov r12, #1
32 ldr lr, [r0, #28] @ mdct_bits 34 ldr lr, [r0, #28] @ mdct_bits
33 ldr r4, [r0, #32] @ tcos 35 ldr r4, [r0, #32] @ tcos
(...skipping 258 matching lines...) Expand 10 before | Expand all | Expand 10 after
292 vst2.32 {d4,d6}, [r0,:128], r7 294 vst2.32 {d4,d6}, [r0,:128], r7
293 vst2.32 {d5,d7}, [r8,:128]! 295 vst2.32 {d5,d7}, [r8,:128]!
294 b 1b 296 b 1b
295 1: 297 1:
296 vrev64.32 q3, q3 298 vrev64.32 q3, q3
297 vst2.32 {d4,d6}, [r0,:128] 299 vst2.32 {d4,d6}, [r0,:128]
298 vst2.32 {d5,d7}, [r8,:128] 300 vst2.32 {d5,d7}, [r8,:128]
299 301
300 pop {r4-r10,pc} 302 pop {r4-r10,pc}
301 .endfunc 303 .endfunc
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