diff options
| author | Mans Rullgard <mans@mansr.com> | 2012-04-22 15:14:12 +0100 |
|---|---|---|
| committer | Mans Rullgard <mans@mansr.com> | 2012-04-25 21:41:39 +0100 |
| commit | b692d246ead6ed56045904c1f839eb3cbf2cf2a7 (patch) | |
| tree | 62a4d8db25f9beb390b9267f780f88ec60a74cc4 /libavcodec/arm/vp8dsp_armv6.S | |
| parent | dac78fd1d73b3710f1c6718f7418bc5325fff494 (diff) | |
vp8: arm: separate ARMv6 functions from NEON
This is a preparation for complete ARMv6 optimisations.
Signed-off-by: Mans Rullgard <mans@mansr.com>
Diffstat (limited to 'libavcodec/arm/vp8dsp_armv6.S')
| -rw-r--r-- | libavcodec/arm/vp8dsp_armv6.S | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/libavcodec/arm/vp8dsp_armv6.S b/libavcodec/arm/vp8dsp_armv6.S new file mode 100644 index 0000000000..1ed020c069 --- /dev/null +++ b/libavcodec/arm/vp8dsp_armv6.S @@ -0,0 +1,53 @@ +/* + * VP8 ARMv6 optimisations + * + * Copyright (c) 2010 Rob Clark <rob@ti.com> + * Copyright (c) 2011 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 + */ + +#include "asm.S" + +function ff_vp8_luma_dc_wht_dc_armv6, export=1 + ldrsh r2, [r1] + mov r3, #0 + add r2, r2, #3 + strh r3, [r1] + asr r2, r2, #3 + .rept 16 + strh r2, [r0], #32 + .endr + bx lr +endfunc + +function ff_put_vp8_pixels4_armv6, export=1 + ldr r12, [sp, #0] @ h + push {r4-r6,lr} +1: + subs r12, r12, #4 + ldr_post r4, r2, r3 + ldr_post r5, r2, r3 + ldr_post r6, r2, r3 + ldr_post lr, r2, r3 + str_post r4, r0, r1 + str_post r5, r0, r1 + str_post r6, r0, r1 + str_post lr, r0, r1 + bgt 1b + pop {r4-r6,pc} +endfunc |