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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_chromamc.asm | |
| parent | 5ef953e84f0a272396bf11d7b780dec6c0e3ac00 (diff) | |
| download | ffmpeg-a3bf7b864acae5921f5de53b45945770e93e6237.tar.gz | |
H.264: tweak some other x86 asm for Atom
Diffstat (limited to 'libavcodec/x86/h264_chromamc.asm')
| -rw-r--r-- | libavcodec/x86/h264_chromamc.asm | 44 |
1 files changed, 21 insertions, 23 deletions
diff --git a/libavcodec/x86/h264_chromamc.asm b/libavcodec/x86/h264_chromamc.asm index 0a37994fb9..16cf2ec43e 100644 --- a/libavcodec/x86/h264_chromamc.asm +++ b/libavcodec/x86/h264_chromamc.asm @@ -72,17 +72,17 @@ SECTION .text .next4rows movq mm0, [r1 ] movq mm1, [r1+r2] + add r1, r4 CHROMAMC_AVG mm0, [r0 ] CHROMAMC_AVG mm1, [r0+r2] movq [r0 ], mm0 movq [r0+r2], mm1 add r0, r4 - add r1, r4 movq mm0, [r1 ] movq mm1, [r1+r2] + add r1, r4 CHROMAMC_AVG mm0, [r0 ] CHROMAMC_AVG mm1, [r0+r2] - add r1, r4 movq [r0 ], mm0 movq [r0+r2], mm1 add r0, r4 @@ -472,8 +472,8 @@ cglobal %1_%2_chroma_mc8_%3, 6, 7, 8 mov r6d, r4d shl r4d, 8 sub r4, r6 - add r4, 8 ; x*288+8 = x<<8 | (8-x) mov r6, 8 + add r4, 8 ; x*288+8 = x<<8 | (8-x) sub r6d, r5d imul r6, r4 ; (8-y)*(x*255+8) = (8-y)*x<<8 | (8-y)*(8-x) imul r4d, r5d ; y *(x*255+8) = y *x<<8 | y *(8-x) @@ -481,24 +481,23 @@ cglobal %1_%2_chroma_mc8_%3, 6, 7, 8 movd m7, r6d movd m6, r4d movdqa m5, [rnd_2d_%2] + movq m0, [r1 ] + movq m1, [r1+1] pshuflw m7, m7, 0 pshuflw m6, m6, 0 + punpcklbw m0, m1 movlhps m7, m7 movlhps m6, m6 - movq m0, [r1 ] - movq m1, [r1 +1] - punpcklbw m0, m1 - add r1, r2 .next2rows - movq m1, [r1 ] - movq m2, [r1 +1] - movq m3, [r1+r2 ] - movq m4, [r1+r2+1] + movq m1, [r1+r2*1 ] + movq m2, [r1+r2*1+1] + movq m3, [r1+r2*2 ] + movq m4, [r1+r2*2+1] lea r1, [r1+r2*2] punpcklbw m1, m2 - punpcklbw m3, m4 movdqa m2, m1 + punpcklbw m3, m4 movdqa m4, m3 pmaddubsw m0, m7 pmaddubsw m1, m6 @@ -508,8 +507,8 @@ cglobal %1_%2_chroma_mc8_%3, 6, 7, 8 paddw m2, m5 paddw m1, m0 paddw m3, m2 - movdqa m0, m4 psrlw m1, 6 + movdqa m0, m4 psrlw m3, 6 %ifidn %1, avg movq m2, [r0 ] @@ -576,6 +575,7 @@ cglobal %1_%2_chroma_mc8_%3, 6, 7, 8 movq m1, [r1+r2 ] movdqa m2, m1 movq m3, [r1+r2*2] + lea r1, [r1+r2*2] punpcklbw m0, m1 punpcklbw m2, m3 pmaddubsw m0, m7 @@ -594,7 +594,6 @@ cglobal %1_%2_chroma_mc8_%3, 6, 7, 8 movhps [r0+r2], m0 sub r3d, 2 lea r0, [r0+r2*2] - lea r1, [r1+r2*2] jg .next2yrows REP_RET %endmacro @@ -607,8 +606,8 @@ cglobal %1_%2_chroma_mc4_%3, 6, 7, 0 mov r6, r4 shl r4d, 8 sub r4d, r6d - add r4d, 8 ; x*288+8 mov r6, 8 + add r4d, 8 ; x*288+8 sub r6d, r5d imul r6d, r4d ; (8-y)*(x*255+8) = (8-y)*x<<8 | (8-y)*(8-x) imul r4d, r5d ; y *(x*255+8) = y *x<<8 | y *(8-x) @@ -616,17 +615,16 @@ cglobal %1_%2_chroma_mc4_%3, 6, 7, 0 movd m7, r6d movd m6, r4d movq m5, [pw_32] + movd m0, [r1 ] pshufw m7, m7, 0 + punpcklbw m0, [r1+1] pshufw m6, m6, 0 - movd m0, [r1 ] - punpcklbw m0, [r1 +1] - add r1, r2 .next2rows - movd m1, [r1 ] - movd m3, [r1+r2 ] - punpcklbw m1, [r1 +1] - punpcklbw m3, [r1+r2+1] + movd m1, [r1+r2*1 ] + movd m3, [r1+r2*2 ] + punpcklbw m1, [r1+r2*1+1] + punpcklbw m3, [r1+r2*2+1] lea r1, [r1+r2*2] movq m2, m1 movq m4, m3 @@ -638,8 +636,8 @@ cglobal %1_%2_chroma_mc4_%3, 6, 7, 0 paddw m2, m5 paddw m1, m0 paddw m3, m2 - movq m0, m4 psrlw m1, 6 + movq m0, m4 psrlw m3, 6 packuswb m1, m1 packuswb m3, m3 |