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FFmpeg/libavcodec/arm/neon.S
Janne Grunau a760f530bb ARM: make some NEON macros reusable
Signed-off-by: Mans Rullgard <mans@mansr.com>
2011-12-02 19:59:18 +00:00

60 lines
1.9 KiB
ArmAsm

/*
* 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