From 44a0a98f92c7df1452029aa0295e0ece9d2165ca Mon Sep 17 00:00:00 2001 From: Martin Storsjö Date: Fri, 20 Dec 2013 13:51:50 +0200 Subject: arm: Add an option for making sure NEON registers aren't clobbered MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This is pretty much based on the same test for XMM registers. Signed-off-by: Martin Storsjö --- libavcodec/arm/Makefile | 1 + libavcodec/arm/neontest.c | 79 +++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 80 insertions(+) create mode 100644 libavcodec/arm/neontest.c (limited to 'libavcodec') diff --git a/libavcodec/arm/Makefile b/libavcodec/arm/Makefile index 277abd98ea..8bdccbdee1 100644 --- a/libavcodec/arm/Makefile +++ b/libavcodec/arm/Makefile @@ -23,6 +23,7 @@ OBJS-$(CONFIG_HPELDSP) += arm/hpeldsp_init_arm.o \ arm/hpeldsp_arm.o OBJS-$(CONFIG_MPEGAUDIODSP) += arm/mpegaudiodsp_init_arm.o OBJS-$(CONFIG_MPEGVIDEO) += arm/mpegvideo_arm.o +OBJS-$(CONFIG_NEON_CLOBBER_TEST) += arm/neontest.o OBJS-$(CONFIG_VC1_DECODER) += arm/vc1dsp_init_arm.o OBJS-$(CONFIG_VORBIS_DECODER) += arm/vorbisdsp_init_arm.o OBJS-$(CONFIG_VP3DSP) += arm/vp3dsp_init_arm.o diff --git a/libavcodec/arm/neontest.c b/libavcodec/arm/neontest.c new file mode 100644 index 0000000000..b77bcd7223 --- /dev/null +++ b/libavcodec/arm/neontest.c @@ -0,0 +1,79 @@ +/* + * check NEON registers for clobbers + * Copyright (c) 2013 Martin Storsjo + * + * 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 "libavcodec/avcodec.h" +#include "libavutil/arm/neontest.h" + +wrap(avcodec_open2(AVCodecContext *avctx, + AVCodec *codec, + AVDictionary **options)) +{ + testneonclobbers(avcodec_open2, avctx, codec, options); +} + +wrap(avcodec_decode_audio4(AVCodecContext *avctx, + AVFrame *frame, + int *got_frame_ptr, + AVPacket *avpkt)) +{ + testneonclobbers(avcodec_decode_audio4, avctx, frame, + got_frame_ptr, avpkt); +} + +wrap(avcodec_decode_video2(AVCodecContext *avctx, + AVFrame *picture, + int *got_picture_ptr, + AVPacket *avpkt)) +{ + testneonclobbers(avcodec_decode_video2, avctx, picture, + got_picture_ptr, avpkt); +} + +wrap(avcodec_decode_subtitle2(AVCodecContext *avctx, + AVSubtitle *sub, + int *got_sub_ptr, + AVPacket *avpkt)) +{ + testneonclobbers(avcodec_decode_subtitle2, avctx, sub, + got_sub_ptr, avpkt); +} + +wrap(avcodec_encode_audio2(AVCodecContext *avctx, + AVPacket *avpkt, + const AVFrame *frame, + int *got_packet_ptr)) +{ + testneonclobbers(avcodec_encode_audio2, avctx, avpkt, frame, + got_packet_ptr); +} + +wrap(avcodec_encode_subtitle(AVCodecContext *avctx, + uint8_t *buf, int buf_size, + const AVSubtitle *sub)) +{ + testneonclobbers(avcodec_encode_subtitle, avctx, buf, buf_size, sub); +} + +wrap(avcodec_encode_video2(AVCodecContext *avctx, AVPacket *avpkt, + const AVFrame *frame, int *got_packet_ptr)) +{ + testneonclobbers(avcodec_encode_video2, avctx, avpkt, frame, got_packet_ptr); +} -- cgit v1.2.3