diff options
| author | Yunqing Wang <yunqingwang@google.com> | 2013-10-01 12:49:25 -0700 |
|---|---|---|
| committer | Yunqing Wang <yunqingwang@google.com> | 2013-10-01 12:49:25 -0700 |
| commit | df8e1564324f28e6e3bd17413b589a21647a07c2 (patch) | |
| tree | f49cd589664958e575873f7a68eca40c2da12602 /vp9 | |
| parent | 682c27239f711cb0dbdcb329d4070f62c76f1f5f (diff) | |
| download | libvpx-df8e1564324f28e6e3bd17413b589a21647a07c2.tar libvpx-df8e1564324f28e6e3bd17413b589a21647a07c2.tar.gz libvpx-df8e1564324f28e6e3bd17413b589a21647a07c2.tar.bz2 libvpx-df8e1564324f28e6e3bd17413b589a21647a07c2.zip | |
Modify HORIZx16 macro in subpixel filter functions
Interleaved the instructions, reduced register dependency, and
prefetched the source data. This improved the decoder speed
by 0.6% - 2%.
Change-Id: I568067aa0c629b2e58219326899c82aedf7eccca
Diffstat (limited to 'vp9')
| -rw-r--r-- | vp9/common/x86/vp9_subpixel_8t_ssse3.asm | 75 |
1 files changed, 34 insertions, 41 deletions
diff --git a/vp9/common/x86/vp9_subpixel_8t_ssse3.asm b/vp9/common/x86/vp9_subpixel_8t_ssse3.asm index bbf9888ca..277902fc9 100644 --- a/vp9/common/x86/vp9_subpixel_8t_ssse3.asm +++ b/vp9/common/x86/vp9_subpixel_8t_ssse3.asm @@ -705,60 +705,53 @@ sym(vp9_filter_block1d16_v8_avg_ssse3): movsxd rcx, dword ptr arg(4) ;output_height .loop: - movq xmm0, [rsi - 3] ; -3 -2 -1 0 1 2 3 4 + prefetcht0 [rsi + 2 * rax -3] - movq xmm3, [rsi + 5] ; 5 6 7 8 9 10 11 12 - punpcklqdq xmm0, xmm3 + movq xmm0, [rsi - 3] ;load src data + movq xmm4, [rsi + 5] + movq xmm7, [rsi + 13] + punpcklqdq xmm0, xmm4 + punpcklqdq xmm4, xmm7 movdqa xmm1, xmm0 - pshufb xmm0, [GLOBAL(shuf_t0t1)] - pmaddubsw xmm0, k0k1 + movdqa xmm2, xmm0 + movdqa xmm3, xmm0 + movdqa xmm5, xmm4 + movdqa xmm6, xmm4 + movdqa xmm7, xmm4 - movdqa xmm2, xmm1 + pshufb xmm0, [GLOBAL(shuf_t0t1)] pshufb xmm1, [GLOBAL(shuf_t2t3)] - pmaddubsw xmm1, k2k3 - - movdqa xmm4, xmm2 pshufb xmm2, [GLOBAL(shuf_t4t5)] - pmaddubsw xmm2, k4k5 + pshufb xmm3, [GLOBAL(shuf_t6t7)] + pshufb xmm4, [GLOBAL(shuf_t0t1)] + pshufb xmm5, [GLOBAL(shuf_t2t3)] + pshufb xmm6, [GLOBAL(shuf_t4t5)] + pshufb xmm7, [GLOBAL(shuf_t6t7)] - pshufb xmm4, [GLOBAL(shuf_t6t7)] - pmaddubsw xmm4, k6k7 + pmaddubsw xmm0, k0k1 + pmaddubsw xmm1, k2k3 + pmaddubsw xmm2, k4k5 + pmaddubsw xmm3, k6k7 + pmaddubsw xmm4, k0k1 + pmaddubsw xmm5, k2k3 + pmaddubsw xmm6, k4k5 + pmaddubsw xmm7, k6k7 paddsw xmm0, xmm1 - paddsw xmm0, xmm4 + paddsw xmm0, xmm3 paddsw xmm0, xmm2 + paddsw xmm4, xmm5 + paddsw xmm4, xmm7 + paddsw xmm4, xmm6 + paddsw xmm0, krd + paddsw xmm4, krd psraw xmm0, 7 + psraw xmm4, 7 packuswb xmm0, xmm0 - - - movq xmm3, [rsi + 5] - movq xmm7, [rsi + 13] - punpcklqdq xmm3, xmm7 - - movdqa xmm1, xmm3 - pshufb xmm3, [GLOBAL(shuf_t0t1)] - pmaddubsw xmm3, k0k1 - - movdqa xmm2, xmm1 - pshufb xmm1, [GLOBAL(shuf_t2t3)] - pmaddubsw xmm1, k2k3 - - movdqa xmm4, xmm2 - pshufb xmm2, [GLOBAL(shuf_t4t5)] - pmaddubsw xmm2, k4k5 - - pshufb xmm4, [GLOBAL(shuf_t6t7)] - pmaddubsw xmm4, k6k7 - - paddsw xmm3, xmm1 - paddsw xmm3, xmm4 - paddsw xmm3, xmm2 - paddsw xmm3, krd - psraw xmm3, 7 - packuswb xmm3, xmm3 - punpcklqdq xmm0, xmm3 + packuswb xmm4, xmm4 + punpcklqdq xmm0, xmm4 %if %1 movdqa xmm1, [rdi] pavgb xmm0, xmm1 |