Hi, On Sun, Nov 1, 2015 at 11:59 AM, Timothy Gu <timothyg...@gmail.com> wrote:
> --- > libavcodec/x86/pixblockdsp.asm | 66 > ++++++++++++++++++++---------------------- > 1 file changed, 31 insertions(+), 35 deletions(-) > > diff --git a/libavcodec/x86/pixblockdsp.asm > b/libavcodec/x86/pixblockdsp.asm > index 7c5377b..a7d9816 100644 > --- a/libavcodec/x86/pixblockdsp.asm > +++ b/libavcodec/x86/pixblockdsp.asm > @@ -80,54 +80,50 @@ cglobal get_pixels, 3, 4, 5 > mova [r0+0x70], m3 > RET > > -INIT_MMX mmx > ; void ff_diff_pixels_mmx(int16_t *block, const uint8_t *s1, const > uint8_t *s2, > ; int stride); > -cglobal diff_pixels, 4,5 > - movsxdifnidn r3, r3d > - pxor m7, m7 > - add r0, 128 > - mov r4, -128 > -.loop: > - mova m0, [r1] > - mova m2, [r2] > - mova m1, m0 > - mova m3, m2 > - punpcklbw m0, m7 > - punpckhbw m1, m7 > - punpcklbw m2, m7 > - punpckhbw m3, m7 > - psubw m0, m2 > - psubw m1, m3 > - mova [r0+r4+0], m0 > - mova [r0+r4+8], m1 > - add r1, r3 > - add r2, r3 > - add r4, 16 > - jne .loop > - REP_RET > - > -INIT_XMM sse2 > -cglobal diff_pixels, 4, 5, 5 > +%macro DIFF_PIXELS 0 > +cglobal diff_pixels, 4,5,5 > movsxdifnidn r3, r3d > pxor m4, m4 > add r0, 128 > mov r4, -128 > .loop: > - movh m0, [r1] > - movh m2, [r2] > - movh m1, [r1+r3] > - movh m3, [r2+r3] > + movq m0, [r1] > + movq m2, [r2] > +%if mmsize == 8 > + movq m1, m0 > + movq m3, m2 > + punpcklbw m0, m4 > + punpckhbw m1, m4 > + punpcklbw m2, m4 > + punpckhbw m3, m4 > +%else > + movq m1, [r1+r3] > + movq m3, [r2+r3] > punpcklbw m0, m4 > punpcklbw m1, m4 > punpcklbw m2, m4 > punpcklbw m3, m4 +%endif > psubw m0, m2 > psubw m1, m3 > - mova [r0+r4+0 ], m0 > - mova [r0+r4+16], m1 > + mova [r0+r4+0], m0 > + mova [r0+r4+mmsize], m1 > +%if mmsize == 8 > + add r1, r3 > + add r2, r3 > +%else > lea r1, [r1+r3*2] > lea r2, [r2+r3*2] > - add r4, 32 > +%endif > + add r4, 2 * mmsize > jne .loop > - RET > + REP_RET > RET. We don't use REP_RET anymore. Rest is fine. Ronald _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
