diff options
Diffstat (limited to 'ffmpeg1/libavcodec/arm/neon.S')
| -rw-r--r-- | ffmpeg1/libavcodec/arm/neon.S | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/ffmpeg1/libavcodec/arm/neon.S b/ffmpeg1/libavcodec/arm/neon.S new file mode 100644 index 0000000..716a607 --- /dev/null +++ b/ffmpeg1/libavcodec/arm/neon.S @@ -0,0 +1,59 @@ +/* + * Copyright (c) 2008 Mans Rullgard <mans@mansr.com> + * + * This file is part of Libav. + * + * Libav 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. + * + * Libav 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 Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +.macro transpose_8x8 r0, r1, r2, r3, r4, r5, r6, r7 + vtrn.32 \r0, \r4 + vtrn.32 \r1, \r5 + vtrn.32 \r2, \r6 + vtrn.32 \r3, \r7 + vtrn.16 \r0, \r2 + vtrn.16 \r1, \r3 + vtrn.16 \r4, \r6 + vtrn.16 \r5, \r7 + vtrn.8 \r0, \r1 + vtrn.8 \r2, \r3 + vtrn.8 \r4, \r5 + vtrn.8 \r6, \r7 +.endm + +.macro transpose_4x4 r0, r1, r2, r3 + vtrn.16 \r0, \r2 + vtrn.16 \r1, \r3 + vtrn.8 \r0, \r1 + vtrn.8 \r2, \r3 +.endm + +.macro swap4 r0, r1, r2, r3, r4, r5, r6, r7 + vswp \r0, \r4 + vswp \r1, \r5 + vswp \r2, \r6 + vswp \r3, \r7 +.endm + +.macro transpose16_4x4 r0, r1, r2, r3, r4, r5, r6, r7 + vtrn.32 \r0, \r2 + vtrn.32 \r1, \r3 + vtrn.32 \r4, \r6 + vtrn.32 \r5, \r7 + vtrn.16 \r0, \r1 + vtrn.16 \r2, \r3 + vtrn.16 \r4, \r5 + vtrn.16 \r6, \r7 +.endm |