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| author | Jason Garrett-Glaser <jason@x264.com> | 2011-07-27 18:09:49 -0700 |
|---|---|---|
| committer | Jason Garrett-Glaser <jason@x264.com> | 2011-07-29 12:24:15 -0700 |
| commit | a3bf7b864acae5921f5de53b45945770e93e6237 (patch) | |
| tree | 526eb0b748ac75d84935352234ca1461c04b5434 /libavcodec/x86/h264_deblock.asm | |
| parent | 5ef953e84f0a272396bf11d7b780dec6c0e3ac00 (diff) | |
| download | ffmpeg-a3bf7b864acae5921f5de53b45945770e93e6237.tar.gz | |
H.264: tweak some other x86 asm for Atom
Diffstat (limited to 'libavcodec/x86/h264_deblock.asm')
| -rw-r--r-- | libavcodec/x86/h264_deblock.asm | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/libavcodec/x86/h264_deblock.asm b/libavcodec/x86/h264_deblock.asm index 9831ca2cd6..92f91acade 100644 --- a/libavcodec/x86/h264_deblock.asm +++ b/libavcodec/x86/h264_deblock.asm @@ -240,17 +240,17 @@ cextern pb_A1 ; out: m1=p0' m2=q0' ; clobbers: m0,3-6 %macro DEBLOCK_P0_Q0 0 - pxor m5, m1, m2 ; p0^q0 - pand m5, [pb_1] ; (p0^q0)&1 pcmpeqb m4, m4 + pxor m5, m1, m2 ; p0^q0 pxor m3, m4 + pand m5, [pb_1] ; (p0^q0)&1 pavgb m3, m0 ; (p1 - q1 + 256)>>1 - pavgb m3, [pb_3] ; (((p1 - q1 + 256)>>1)+4)>>1 = 64+2+(p1-q1)>>2 pxor m4, m1 + pavgb m3, [pb_3] ; (((p1 - q1 + 256)>>1)+4)>>1 = 64+2+(p1-q1)>>2 pavgb m4, m2 ; (q0 - p0 + 256)>>1 pavgb m3, m5 - paddusb m3, m4 ; d+128+33 mova m6, [pb_A1] + paddusb m3, m4 ; d+128+33 psubusb m6, m3 psubusb m3, [pb_A1] pminub m6, m7 @@ -411,16 +411,16 @@ cglobal deblock_%2_luma_8_%1, 5,5 LOAD_MASK r2, r3 mov r3, r4mp + pcmpeqb m3, m3 movd m4, [r3] ; tc0 punpcklbw m4, m4 punpcklbw m4, m4 ; tc = 4x tc0[3], 4x tc0[2], 4x tc0[1], 4x tc0[0] mova [esp+%3], m4 ; tc - pcmpeqb m3, m3 pcmpgtb m4, m3 + mova m3, [r4] ; p2 pand m4, m7 mova [esp], m4 ; mask - mova m3, [r4] ; p2 DIFF_GT2 m1, m3, m5, m6, m7 ; |p2-p0| > beta-1 pand m6, m4 pand m4, [esp+%3] ; tc @@ -430,11 +430,10 @@ cglobal deblock_%2_luma_8_%1, 5,5 mova m4, [r0+2*r1] ; q2 DIFF_GT2 m2, m4, m5, m6, m3 ; |q2-q0| > beta-1 - mova m5, [esp] ; mask - pand m6, m5 + pand m6, [esp] ; mask mova m5, [esp+%3] ; tc - pand m5, m6 psubb m7, m6 + pand m5, m6 mova m3, [r0+r1] LUMA_Q1 m3, m4, [r0+2*r1], [r0+r1], m5, m6 @@ -482,10 +481,10 @@ cglobal deblock_h_luma_8_%1, 0,5 ; transpose 16x4 -> original space (only the middle 4 rows were changed by the filter) mov r0, r0mp sub r0, 2 - lea r1, [r0+r4] movq m0, [pix_tmp+0x10] movq m1, [pix_tmp+0x20] + lea r1, [r0+r4] movq m2, [pix_tmp+0x30] movq m3, [pix_tmp+0x40] TRANSPOSE8x4B_STORE PASS8ROWS(r0, r1, r3, r4) |