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| author | Ronald S. Bultje <rsbultje@gmail.com> | 2010-07-26 21:18:19 +0000 |
|---|---|---|
| committer | Ronald S. Bultje <rsbultje@gmail.com> | 2010-07-26 21:18:19 +0000 |
| commit | ab4d031889adfa15e9dbeb89ea4a601fcab3118d (patch) | |
| tree | 529ff47ba924951e4804b6a2ffcaec5310f7c8b9 /libavcodec | |
| parent | e25dee602ff3be582e3a6092c65d08cd6310a103 (diff) | |
| download | ffmpeg-ab4d031889adfa15e9dbeb89ea4a601fcab3118d.tar.gz | |
Use pmaddubsw for the mbedge_filter (>=ssse3), 6-10 cycles faster.
Originally committed as revision 24514 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/x86/vp8dsp.asm | 80 |
1 files changed, 78 insertions, 2 deletions
diff --git a/libavcodec/x86/vp8dsp.asm b/libavcodec/x86/vp8dsp.asm index 166cd3b153..e4206cafc0 100644 --- a/libavcodec/x86/vp8dsp.asm +++ b/libavcodec/x86/vp8dsp.asm @@ -145,6 +145,10 @@ filter_h6_shuf3: db 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11 pw_20091: times 4 dw 20091 pw_17734: times 4 dw 17734 +pb_27_63: times 8 db 27, 63 +pb_18_63: times 8 db 18, 63 +pb_9_63: times 8 db 9, 63 + cextern pb_1 cextern pw_3 cextern pb_3 @@ -2175,10 +2179,15 @@ cglobal vp8_%2_loop_filter16y_mbedge_%1, 5, %3, %5 %define stack_reg hev_thr_reg %endif +%define ssse3_or_higher 0 %ifnidn %1, sse2 %if mmsize == 16 - pxor m7, m7 +%define ssse3_or_higher 1 +%endif %endif + +%if ssse3_or_higher + pxor m7, m7 %endif %ifndef m8 ; mmx/mmxext or sse2 on x86-32 @@ -2576,7 +2585,11 @@ cglobal vp8_%2_loop_filter16y_mbedge_%1, 5, %3, %5 paddusb m4, m1 ; q0-f1 ; filter_mbedge (m2-m5 = p1-q1; lim_res carries w) +%if ssse3_or_higher + mova m7, [pb_1] +%else mova m7, [pw_63] +%endif %ifdef m8 SWAP 1, 8 %else @@ -2585,15 +2598,40 @@ cglobal vp8_%2_loop_filter16y_mbedge_%1, 5, %3, %5 pxor m0, m0 mova m6, m1 pcmpgtb m0, m1 ; which are negative +%if ssse3_or_higher + punpcklbw m6, m7 ; interleave with "1" for rounding + punpckhbw m1, m7 +%else punpcklbw m6, m0 ; signed byte->word punpckhbw m1, m0 +%endif mova lim_sign, m0 +%if ssse3_or_higher + mova m7, [pb_27_63] +%ifndef m8 + mova lim_res, m1 +%endif +%ifdef m10 + SWAP 0, 10 ; don't lose lim_sign copy +%endif + mova m0, m7 + pmaddubsw m7, m6 + SWAP 6, 7 + pmaddubsw m0, m1 + SWAP 1, 0 +%ifdef m10 + SWAP 0, 10 +%else + mova m0, lim_sign +%endif +%else mova mask_res, m6 ; backup for later in filter mova lim_res, m1 pmullw m6, [pw_27] pmullw m1, [pw_27] paddw m6, m7 paddw m1, m7 +%endif psraw m6, 7 psraw m1, 7 packsswb m6, m1 ; a0 @@ -2601,18 +2639,39 @@ cglobal vp8_%2_loop_filter16y_mbedge_%1, 5, %3, %5 psubb m1, m6 pand m1, m0 ; -a0 pandn m0, m6 ; +a0 +%if ssse3_or_higher + mova m6, [pb_18_63] ; pipelining +%endif psubusb m3, m1 paddusb m4, m1 paddusb m3, m0 ; p0+a0 psubusb m4, m0 ; q0-a0 - mova m6, mask_res +%if ssse3_or_higher + SWAP 6, 7 +%ifdef m10 + SWAP 1, 10 +%else mova m1, lim_res +%endif + mova m0, m7 + pmaddubsw m7, m6 + SWAP 6, 7 + pmaddubsw m0, m1 + SWAP 1, 0 +%ifdef m10 + SWAP 0, 10 +%endif mova m0, lim_sign +%else + mova m6, mask_res + mova m1, lim_res pmullw m6, [pw_18] pmullw m1, [pw_18] paddw m6, m7 paddw m1, m7 +%endif + mova m0, lim_sign psraw m6, 7 psraw m1, 7 packsswb m6, m1 ; a1 @@ -2620,11 +2679,27 @@ cglobal vp8_%2_loop_filter16y_mbedge_%1, 5, %3, %5 psubb m1, m6 pand m1, m0 ; -a1 pandn m0, m6 ; +a1 +%if ssse3_or_higher + mova m6, [pb_9_63] +%endif psubusb m2, m1 paddusb m5, m1 paddusb m2, m0 ; p1+a1 psubusb m5, m0 ; q1-a1 +%if ssse3_or_higher + SWAP 6, 7 +%ifdef m10 + SWAP 1, 10 +%else + mova m1, lim_res +%endif + mova m0, m7 + pmaddubsw m7, m6 + SWAP 6, 7 + pmaddubsw m0, m1 + SWAP 1, 0 +%else %ifdef m8 SWAP 6, 12 SWAP 1, 8 @@ -2636,6 +2711,7 @@ cglobal vp8_%2_loop_filter16y_mbedge_%1, 5, %3, %5 pmullw m1, [pw_9] paddw m6, m7 paddw m1, m7 +%endif %ifdef m9 SWAP 7, 9 %else |