Module: libav Branch: master Commit: fe07c9c6b5a870b8f2ffcfac649228b4d76e9505
Author: Diego Biurrun <[email protected]> Committer: Diego Biurrun <[email protected]> Date: Tue Jun 19 12:55:10 2012 +0200 x86: Only use optimizations with cmov if the CPU supports the instruction --- libavcodec/x86/dsputil_mmx.c | 3 ++- libavcodec/x86/h264_intrapred_init.c | 3 ++- libavcodec/x86/h264dsp_mmx.c | 3 ++- 3 files changed, 6 insertions(+), 3 deletions(-) diff --git a/libavcodec/x86/dsputil_mmx.c b/libavcodec/x86/dsputil_mmx.c index 71a65e7..b695bd2 100644 --- a/libavcodec/x86/dsputil_mmx.c +++ b/libavcodec/x86/dsputil_mmx.c @@ -2829,7 +2829,8 @@ static void dsputil_init_3dnow(DSPContext *c, AVCodecContext *avctx, c->vorbis_inverse_coupling = vorbis_inverse_coupling_3dnow; #if HAVE_7REGS - c->add_hfyu_median_prediction = add_hfyu_median_prediction_cmov; + if (mm_flags & AV_CPU_FLAG_CMOV) + c->add_hfyu_median_prediction = add_hfyu_median_prediction_cmov; #endif } diff --git a/libavcodec/x86/h264_intrapred_init.c b/libavcodec/x86/h264_intrapred_init.c index 41e611e..6bad969 100644 --- a/libavcodec/x86/h264_intrapred_init.c +++ b/libavcodec/x86/h264_intrapred_init.c @@ -188,7 +188,8 @@ void ff_h264_pred_init_x86(H264PredContext *h, int codec_id, const int bit_depth if (chroma_format_idc == 1) h->pred8x8 [PLANE_PRED8x8] = ff_pred8x8_plane_mmx; if (codec_id == CODEC_ID_SVQ3) { - h->pred16x16[PLANE_PRED8x8] = ff_pred16x16_plane_svq3_mmx; + if (mm_flags & AV_CPU_FLAG_CMOV) + h->pred16x16[PLANE_PRED8x8] = ff_pred16x16_plane_svq3_mmx; } else if (codec_id == CODEC_ID_RV40) { h->pred16x16[PLANE_PRED8x8] = ff_pred16x16_plane_rv40_mmx; } else { diff --git a/libavcodec/x86/h264dsp_mmx.c b/libavcodec/x86/h264dsp_mmx.c index dcd9180..c0a40c4 100644 --- a/libavcodec/x86/h264dsp_mmx.c +++ b/libavcodec/x86/h264dsp_mmx.c @@ -361,7 +361,8 @@ void ff_h264dsp_init_x86(H264DSPContext *c, const int bit_depth, const int chrom if (chroma_format_idc == 1) c->h264_idct_add8 = ff_h264_idct_add8_8_mmx; c->h264_idct_add16intra = ff_h264_idct_add16intra_8_mmx; - c->h264_luma_dc_dequant_idct= ff_h264_luma_dc_dequant_idct_mmx; + if (mm_flags & AV_CPU_FLAG_CMOV) + c->h264_luma_dc_dequant_idct = ff_h264_luma_dc_dequant_idct_mmx; if (mm_flags & AV_CPU_FLAG_MMX2) { c->h264_idct_dc_add = ff_h264_idct_dc_add_8_mmx2; _______________________________________________ libav-commits mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-commits
