On Mon, Apr 20, 2026 at 7:57 PM Zuxy Meng <[email protected]> wrote: > > Deprecating MMX. Instruction count unchanged. > > Signed-off-by: Zuxy Meng <[email protected]> > --- > libavcodec/x86/h264_intrapred.asm | 10 +++++----- > libavcodec/x86/h264_intrapred_init.c | 5 ++--- > 2 files changed, 7 insertions(+), 8 deletions(-) > > diff --git a/libavcodec/x86/h264_intrapred.asm > b/libavcodec/x86/h264_intrapred.asm > index b1c5ffa50d..6cf01a228a 100644 > --- a/libavcodec/x86/h264_intrapred.asm > +++ b/libavcodec/x86/h264_intrapred.asm > @@ -584,7 +584,7 @@ cglobal pred8x8_vertical_8, 2,2 > > ;----------------------------------------------------------------------------- > > %macro PRED8x8_H 0 > -cglobal pred8x8_horizontal_8, 2,3 > +cglobal pred8x8_horizontal_8, 2,3,3 > mov r2, 4 > %if cpuflag(ssse3) > mova m2, [pb_3] > @@ -592,17 +592,17 @@ cglobal pred8x8_horizontal_8, 2,3 > .loop: > SPLATB_LOAD m0, r0+r1*0-1, m2 > SPLATB_LOAD m1, r0+r1*1-1, m2 > - mova [r0+r1*0], m0 > - mova [r0+r1*1], m1 > + movq [r0+r1*0], m0 > + movq [r0+r1*1], m1 > lea r0, [r0+r1*2] > dec r2 > jg .loop > RET > %endmacro > > -INIT_MMX mmxext > +INIT_XMM sse2 > PRED8x8_H > -INIT_MMX ssse3 > +INIT_XMM ssse3 > PRED8x8_H > > > ;----------------------------------------------------------------------------- > diff --git a/libavcodec/x86/h264_intrapred_init.c > b/libavcodec/x86/h264_intrapred_init.c > index 44dd0cbde4..8a6d572a11 100644 > --- a/libavcodec/x86/h264_intrapred_init.c > +++ b/libavcodec/x86/h264_intrapred_init.c > @@ -117,7 +117,7 @@ PRED8x8(top_dc, 8, sse2) > PRED8x8(dc_rv40, 8, mmxext) > PRED8x8(dc, 8, sse2) > PRED8x8(vertical, 8, sse2) > -PRED8x8(horizontal, 8, mmxext) > +PRED8x8(horizontal, 8, sse2) > PRED8x8(horizontal, 8, ssse3) > PRED8x8(plane, 8, sse2) > PRED8x8(plane, 8, ssse3) > @@ -164,8 +164,6 @@ av_cold void ff_h264_pred_init_x86(H264PredContext *h, > int codec_id, > > if (bit_depth == 8) { > if (EXTERNAL_MMXEXT(cpu_flags)) { > - if (chroma_format_idc <= 1) > - h->pred8x8[HOR_PRED8x8 ] = > ff_pred8x8_horizontal_8_mmxext; > h->pred8x8l [TOP_DC_PRED ] = > ff_pred8x8l_top_dc_8_mmxext; > h->pred8x8l [DC_PRED ] = ff_pred8x8l_dc_8_mmxext; > h->pred8x8l [HOR_PRED ] = > ff_pred8x8l_horizontal_8_mmxext; > @@ -205,6 +203,7 @@ av_cold void ff_h264_pred_init_x86(H264PredContext *h, > int codec_id, > h->pred8x8l [VERT_LEFT_PRED ] = > ff_pred8x8l_vertical_left_8_sse2; > h->pred8x8l [HOR_DOWN_PRED ] = > ff_pred8x8l_horizontal_down_8_sse2; > if (chroma_format_idc <= 1) { > + h->pred8x8[HOR_PRED8x8 ] = > ff_pred8x8_horizontal_8_sse2; > h->pred8x8 [VERT_PRED8x8 ] = ff_pred8x8_vertical_8_sse2; > if (codec_id == AV_CODEC_ID_SVQ3 || codec_id == > AV_CODEC_ID_H264) { > h->pred8x8 [TOP_DC_PRED8x8] = ff_pred8x8_top_dc_8_sse2; > -- > 2.43.0 >
Applied -- Zuxy Beauty is truth, While truth is beauty. PGP KeyID: E8555ED6 _______________________________________________ ffmpeg-devel mailing list -- [email protected] To unsubscribe send an email to [email protected]
