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| author | Ronald S. Bultje <rsbultje@gmail.com> | 2014-12-27 14:47:07 -0500 |
|---|---|---|
| committer | Anton Khirnov <anton@khirnov.net> | 2016-10-04 10:54:08 +0200 |
| commit | 7c62891efedf0102934bc18d62c6561152a4d0bc (patch) | |
| tree | 8b0b42c186951b67a5c901517930ae61d04699fb /libavcodec/x86/vp9lpf.asm | |
| parent | c6375a83d1ad512ed24e8fef044f3ba17237e03e (diff) | |
| download | ffmpeg-7c62891efedf0102934bc18d62c6561152a4d0bc.tar.gz | |
vp9lpf/x86: save one register in SIGN_ADD/SUB.
Signed-off-by: Anton Khirnov <anton@khirnov.net>
Diffstat (limited to 'libavcodec/x86/vp9lpf.asm')
| -rw-r--r-- | libavcodec/x86/vp9lpf.asm | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/libavcodec/x86/vp9lpf.asm b/libavcodec/x86/vp9lpf.asm index e3371329a8..c2afc44418 100644 --- a/libavcodec/x86/vp9lpf.asm +++ b/libavcodec/x86/vp9lpf.asm @@ -142,17 +142,17 @@ SECTION .text %endmacro ; clip_u8(u8 + i8) -%macro SIGN_ADD 5 ; dst, u8, i8, tmp1, tmp2 - EXTRACT_POS_NEG %3, %4, %5 - psubusb %1, %2, %4 ; sub the negatives - paddusb %1, %5 ; add the positives +%macro SIGN_ADD 4 ; dst, u8, i8, tmp1 + EXTRACT_POS_NEG %3, %4, %1 + paddusb %1, %2 ; add the positives + psubusb %1, %4 ; sub the negatives %endmacro ; clip_u8(u8 - i8) -%macro SIGN_SUB 5 ; dst, u8, i8, tmp1, tmp2 - EXTRACT_POS_NEG %3, %4, %5 - psubusb %1, %2, %5 ; sub the positives - paddusb %1, %4 ; add the negatives +%macro SIGN_SUB 4 ; dst, u8, i8, tmp1 + EXTRACT_POS_NEG %3, %1, %4 + paddusb %1, %2 ; add the negatives + psubusb %1, %4 ; sub the positives %endmacro %macro FILTER6_INIT 4 ; %1=dst %2=h/l %3=cache, %4=stack_off @@ -578,8 +578,8 @@ cglobal vp9_loop_filter_%1_%2_16, 2, 6, 16, %3 + %4, dst, stride, mstride, dst2, paddsb m4, [pb_3] ; m4: f2 = clip(f + 3, 127) mova m14, [pb_10] ; will be reused in filter4() SRSHIFT3B_2X m6, m4, m14, m7 ; f1 and f2 sign byte shift by 3 - SIGN_SUB m7, m12, m6, m5, m9 ; m7 = q0 - f1 - SIGN_ADD m8, m11, m4, m5, m9 ; m8 = p0 + f2 + SIGN_SUB m7, m12, m6, m5 ; m7 = q0 - f1 + SIGN_ADD m8, m11, m4, m5 ; m8 = p0 + f2 %if %2 != 44 pandn m6, m2, m3 ; ~mask(in) & mask(fm) pand m6, m0 ; (~mask(in) & mask(fm)) & mask(hev) @@ -607,18 +607,18 @@ cglobal vp9_loop_filter_%1_%2_16, 2, 6, 16, %3 + %4, dst, stride, mstride, dst2, %define q0tmp m2 pandn m0, m3 %endif - SIGN_SUB q0tmp, m12, m6, m4, m14 ; q0 - f1 + SIGN_SUB q0tmp, m12, m6, m4 ; q0 - f1 MASK_APPLY q0tmp, m7, m0, m5 ; filter4(q0) & mask mova [Q0], q0tmp - SIGN_ADD p0tmp, m11, m15, m4, m14 ; p0 + f2 + SIGN_ADD p0tmp, m11, m15, m4 ; p0 + f2 MASK_APPLY p0tmp, m8, m0, m5 ; filter4(p0) & mask mova [P0], p0tmp paddb m6, [pb_80] ; pxor m8, m8 ; f=(f1+1)>>1 pavgb m6, m8 ; psubb m6, [pb_40] ; - SIGN_ADD m7, m10, m6, m8, m9 ; p1 + f - SIGN_SUB m4, m13, m6, m8, m9 ; q1 - f + SIGN_ADD m7, m10, m6, m8 ; p1 + f + SIGN_SUB m4, m13, m6, m8 ; q1 - f MASK_APPLY m7, m10, m0, m14 ; m7 = filter4(p1) MASK_APPLY m4, m13, m0, m14 ; m4 = filter4(q1) mova [P1], m7 |