[FFmpeg-cvslog] vp9lpf/x86: store unpacked intermediates for filter6/14 on stack.
Ronald S. Bultje
git at videolan.org
Thu Mar 23 12:44:17 EET 2017
ffmpeg | branch: master | Ronald S. Bultje <rsbultje at gmail.com> | Wed Dec 24 14:17:28 2014 -0500| [c6375a83d1ad512ed24e8fef044f3ba17237e03e] | committer: Anton Khirnov
vp9lpf/x86: store unpacked intermediates for filter6/14 on stack.
filter16 goes from 508 to 482 (h) or 346 to 314 (v) cycles; filter88
goes from 240 to 238 (h) or 174 to 165 (v) cycles, measured on TOS.
Signed-off-by: Anton Khirnov <anton at khirnov.net>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=c6375a83d1ad512ed24e8fef044f3ba17237e03e
---
libavcodec/x86/vp9lpf.asm | 151 ++++++++++++++++++++++++----------------------
1 file changed, 79 insertions(+), 72 deletions(-)
diff --git a/libavcodec/x86/vp9lpf.asm b/libavcodec/x86/vp9lpf.asm
index 0b72fac..e337132 100644
--- a/libavcodec/x86/vp9lpf.asm
+++ b/libavcodec/x86/vp9lpf.asm
@@ -80,39 +80,42 @@ SECTION .text
por %1, %4 ; new&mask | old&~mask
%endmacro
-%macro FILTER_SUBx2_ADDx2 8 ; %1=dst %2=h/l %3=cache %4=sub1 %5=sub2 %6=add1 %7=add2 %8=rshift
- punpck%2bw %3, %4, m0
- psubw %1, %3
- punpck%2bw %3, %5, m0
- psubw %1, %3
- punpck%2bw %3, %6, m0
- paddw %1, %3
- punpck%2bw %3, %7, m0
+%macro FILTER_SUBx2_ADDx2 9-10 "" ; %1=dst %2=h/l %3=cache %4=stack_off %5=sub1 %6=sub2 %7=add1 %8=add2 %9=rshift, [unpack]
+ psubw %3, [rsp+%4+%5*32]
+ psubw %3, [rsp+%4+%6*32]
+ paddw %3, [rsp+%4+%7*32]
+%ifnidn %10, ""
+ punpck%2bw %1, %10, m0
+ mova [rsp+%4+%8*32], %1
paddw %3, %1
- psraw %1, %3, %8
+%else
+ paddw %3, [rsp+%4+%8*32]
+%endif
+ psraw %1, %3, %9
%endmacro
-%macro FILTER_INIT 8 ; tmp1, tmp2, cacheL, cacheH, dstp, filterid, mask, source
- FILTER%6_INIT %1, l, %3
- FILTER%6_INIT %2, h, %4
+; FIXME interleave l/h better (for instruction pairing)
+%macro FILTER_INIT 9 ; tmp1, tmp2, cacheL, cacheH, dstp, stack_off, filterid, mask, source
+ FILTER%7_INIT %1, l, %3, %6 + 0
+ FILTER%7_INIT %2, h, %4, %6 + 16
packuswb %1, %2
- MASK_APPLY %1, %8, %7, %2
+ MASK_APPLY %1, %9, %8, %2
mova %5, %1
%endmacro
-%macro FILTER_UPDATE 11-14 ; tmp1, tmp2, cacheL, cacheH, dstp, -, -, +, +, rshift, mask, [source], [preload reg + value]
-%if %0 == 13 ; no source + preload
- mova %12, %13
-%elif %0 == 14 ; source + preload
- mova %13, %14
+
+%macro FILTER_UPDATE 12-15 "", "" ; tmp1, tmp2, cacheL, cacheH, dstp, stack_off, -, -, +, +, rshift, mask, [source], [unpack]
+; FIXME interleave this properly with the subx2/addx2
+%if %0 == 15
+ mova %14, %15
%endif
- FILTER_SUBx2_ADDx2 %1, l, %3, %6, %7, %8, %9, %10
- FILTER_SUBx2_ADDx2 %2, h, %4, %6, %7, %8, %9, %10
+ FILTER_SUBx2_ADDx2 %1, l, %3, %6 + 0, %7, %8, %9, %10, %11, %14
+ FILTER_SUBx2_ADDx2 %2, h, %4, %6 + 16, %7, %8, %9, %10, %11, %14
packuswb %1, %2
-%if %0 == 12 || %0 == 14
- MASK_APPLY %1, %12, %11, %2
+%ifnidn %13, ""
+ MASK_APPLY %1, %13, %12, %2
%else
- MASK_APPLY %1, %5, %11, %2
+ MASK_APPLY %1, %5, %12, %2
%endif
mova %5, %1
%endmacro
@@ -152,44 +155,48 @@ SECTION .text
paddusb %1, %4 ; add the negatives
%endmacro
-%macro FILTER6_INIT 3 ; %1=dst %2=h/l %3=cache
+%macro FILTER6_INIT 4 ; %1=dst %2=h/l %3=cache, %4=stack_off
punpck%2bw %1, m14, m0 ; p3: B->W
+ mova [rsp+%4+0*32], %1
paddw %3, %1, %1 ; p3*2
paddw %3, %1 ; p3*3
punpck%2bw %1, m15, m0 ; p2: B->W
+ mova [rsp+%4+1*32], %1
paddw %3, %1 ; p3*3 + p2
paddw %3, %1 ; p3*3 + p2*2
punpck%2bw %1, m10, m0 ; p1: B->W
+ mova [rsp+%4+2*32], %1
paddw %3, %1 ; p3*3 + p2*2 + p1
punpck%2bw %1, m11, m0 ; p0: B->W
+ mova [rsp+%4+3*32], %1
paddw %3, %1 ; p3*3 + p2*2 + p1 + p0
punpck%2bw %1, m12, m0 ; q0: B->W
+ mova [rsp+%4+4*32], %1
paddw %3, %1 ; p3*3 + p2*2 + p1 + p0 + q0
paddw %3, [pw_4] ; p3*3 + p2*2 + p1 + p0 + q0 + 4
psraw %1, %3, 3 ; (p3*3 + p2*2 + p1 + p0 + q0 + 4) >> 3
%endmacro
-%macro FILTER14_INIT 3 ; %1=dst %2=h/l %3=cache
+%macro FILTER14_INIT 4 ; %1=dst %2=h/l %3=cache, %4=stack_off
punpck%2bw %1, m2, m0 ; p7: B->W
+ mova [rsp+%4+ 8*32], %1
psllw %3, %1, 3 ; p7*8
psubw %3, %1 ; p7*7
punpck%2bw %1, m3, m0 ; p6: B->W
+ mova [rsp+%4+ 9*32], %1
paddw %3, %1 ; p7*7 + p6
paddw %3, %1 ; p7*7 + p6*2
punpck%2bw %1, m8, m0 ; p5: B->W
+ mova [rsp+%4+10*32], %1
paddw %3, %1 ; p7*7 + p6*2 + p5
punpck%2bw %1, m9, m0 ; p4: B->W
+ mova [rsp+%4+11*32], %1
paddw %3, %1 ; p7*7 + p6*2 + p5 + p4
- punpck%2bw %1, m14, m0 ; p3: B->W
- paddw %3, %1 ; p7*7 + p6*2 + p5 + p4 + p3
- punpck%2bw %1, m15, m0 ; p2: B->W
- paddw %3, %1 ; p7*7 + p6*2 + p5 + .. + p2
- punpck%2bw %1, m10, m0 ; p1: B->W
- paddw %3, %1 ; p7*7 + p6*2 + p5 + .. + p1
- punpck%2bw %1, m11, m0 ; p0: B->W
- paddw %3, %1 ; p7*7 + p6*2 + p5 + .. + p0
- punpck%2bw %1, m12, m0 ; q0: B->W
- paddw %3, %1 ; p7*7 + p6*2 + p5 + .. + p0 + q0
+ paddw %3, [rsp+%4+ 0*32] ; p7*7 + p6*2 + p5 + p4 + p3
+ paddw %3, [rsp+%4+ 1*32] ; p7*7 + p6*2 + p5 + .. + p2
+ paddw %3, [rsp+%4+ 2*32] ; p7*7 + p6*2 + p5 + .. + p1
+ paddw %3, [rsp+%4+ 3*32] ; p7*7 + p6*2 + p5 + .. + p0
+ paddw %3, [rsp+%4+ 4*32] ; p7*7 + p6*2 + p5 + .. + p0 + q0
paddw %3, [pw_8] ; p7*7 + p6*2 + p5 + .. + p0 + q0 + 8
psraw %1, %3, 4 ; (p7*7 + p6*2 + p5 + .. + p0 + q0 + 8) >> 4
%endmacro
@@ -307,14 +314,14 @@ SECTION .text
%endif
%endmacro
-%macro LOOPFILTER 3 ; %1=v/h %2=size1 %3=stack
+%macro LOOPFILTER 4 ; %1=v/h %2=size1 %3+%4=stack
%if UNIX64
-cglobal vp9_loop_filter_%1_%2_16, 5, 9, 16, %3, dst, stride, E, I, H, mstride, dst2, stride3, mstride3
+cglobal vp9_loop_filter_%1_%2_16, 5, 9, 16, %3 + %4, dst, stride, E, I, H, mstride, dst2, stride3, mstride3
%else
%if WIN64
-cglobal vp9_loop_filter_%1_%2_16, 4, 8, 16, %3, dst, stride, E, I, mstride, dst2, stride3, mstride3
+cglobal vp9_loop_filter_%1_%2_16, 4, 8, 16, %3 + %4, dst, stride, E, I, mstride, dst2, stride3, mstride3
%else
-cglobal vp9_loop_filter_%1_%2_16, 2, 6, 16, %3, dst, stride, mstride, dst2, stride3, mstride3
+cglobal vp9_loop_filter_%1_%2_16, 2, 6, 16, %3 + %4, dst, stride, mstride, dst2, stride3, mstride3
%define Ed dword r2m
%define Id dword r3m
%endif
@@ -631,12 +638,12 @@ cglobal vp9_loop_filter_%1_%2_16, 2, 6, 16, %3, dst, stride, mstride, dst2, stri
mova m15, [P2]
mova m8, [Q2]
mova m9, [Q3]
- FILTER_INIT m4, m5, m6, m7, [P2], 6, m3, m15 ; [p2]
- FILTER_UPDATE m6, m7, m4, m5, [P1], m14, m15, m10, m13, 3, m3 ; [p1] -p3 -p2 +p1 +q1
- FILTER_UPDATE m4, m5, m6, m7, [P0], m14, m10, m11, m8, 3, m3 ; [p0] -p3 -p1 +p0 +q2
- FILTER_UPDATE m6, m7, m4, m5, [Q0], m14, m11, m12, m9, 3, m3 ; [q0] -p3 -p0 +q0 +q3
- FILTER_UPDATE m4, m5, m6, m7, [Q1], m15, m12, m13, m9, 3, m3 ; [q1] -p2 -q0 +q1 +q3
- FILTER_UPDATE m6, m7, m4, m5, [Q2], m10, m13, m8, m9, 3, m3, m8 ; [q2] -p1 -q1 +q2 +q3
+ FILTER_INIT m4, m5, m6, m7, [P2], %4, 6, m3, m15 ; [p2]
+ FILTER_UPDATE m4, m5, m6, m7, [P1], %4, 0, 1, 2, 5, 3, m3, "", m13 ; [p1] -p3 -p2 +p1 +q1
+ FILTER_UPDATE m4, m5, m6, m7, [P0], %4, 0, 2, 3, 6, 3, m3, "", m8 ; [p0] -p3 -p1 +p0 +q2
+ FILTER_UPDATE m4, m5, m6, m7, [Q0], %4, 0, 3, 4, 7, 3, m3, "", m9 ; [q0] -p3 -p0 +q0 +q3
+ FILTER_UPDATE m4, m5, m6, m7, [Q1], %4, 1, 4, 5, 7, 3, m3, "" ; [q1] -p2 -q0 +q1 +q3
+ FILTER_UPDATE m4, m5, m6, m7, [Q2], %4, 2, 5, 6, 7, 3, m3, m8 ; [q2] -p1 -q1 +q2 +q3
%endif
; (m0: 0, [m1: flat8out], m2: fm & flat8in, m8..15: q2 q3 p1 p0 q0 q1 p3 p2)
@@ -666,20 +673,20 @@ cglobal vp9_loop_filter_%1_%2_16, 2, 6, 16, %3, dst, stride, mstride, dst2, stri
mova m3, [P6]
mova m8, [P5]
mova m9, [P4]
- FILTER_INIT m4, m5, m6, m7, [P6], 14, m1, m3
- FILTER_UPDATE m6, m7, m4, m5, [P5], m2, m3, m8, m13, 4, m1, m8 ; [p5] -p7 -p6 +p5 +q1
- FILTER_UPDATE m4, m5, m6, m7, [P4], m2, m8, m9, m13, 4, m1, m9, m13, [Q2] ; [p4] -p7 -p5 +p4 +q2
- FILTER_UPDATE m6, m7, m4, m5, [P3], m2, m9, m14, m13, 4, m1, m14, m13, [Q3] ; [p3] -p7 -p4 +p3 +q3
- FILTER_UPDATE m4, m5, m6, m7, [P2], m2, m14, m15, m13, 4, m1, m13, [Q4] ; [p2] -p7 -p3 +p2 +q4
- FILTER_UPDATE m6, m7, m4, m5, [P1], m2, m15, m10, m13, 4, m1, m13, [Q5] ; [p1] -p7 -p2 +p1 +q5
- FILTER_UPDATE m4, m5, m6, m7, [P0], m2, m10, m11, m13, 4, m1, m13, [Q6] ; [p0] -p7 -p1 +p0 +q6
- FILTER_UPDATE m6, m7, m4, m5, [Q0], m2, m11, m12, m13, 4, m1, m13, [Q7] ; [q0] -p7 -p0 +q0 +q7
- FILTER_UPDATE m4, m5, m6, m7, [Q1], m3, m12, m2, m13, 4, m1, m2, [Q1] ; [q1] -p6 -q0 +q1 +q7
- FILTER_UPDATE m6, m7, m4, m5, [Q2], m8, m2, m3, m13, 4, m1, m3, [Q2] ; [q2] -p5 -q1 +q2 +q7
- FILTER_UPDATE m4, m5, m6, m7, [Q3], m9, m3, m8, m13, 4, m1, m8, m8, [Q3] ; [q3] -p4 -q2 +q3 +q7
- FILTER_UPDATE m6, m7, m4, m5, [Q4], m14, m8, m9, m13, 4, m1, m9, m9, [Q4] ; [q4] -p3 -q3 +q4 +q7
- FILTER_UPDATE m4, m5, m6, m7, [Q5], m15, m9, m14, m13, 4, m1, m14, m14, [Q5] ; [q5] -p2 -q4 +q5 +q7
- FILTER_UPDATE m6, m7, m4, m5, [Q6], m10, m14, m15, m13, 4, m1, m15, m15, [Q6] ; [q6] -p1 -q5 +q6 +q7
+ FILTER_INIT m4, m5, m6, m7, [P6], %4, 14, m1, m3 ; [p6]
+ FILTER_UPDATE m4, m5, m6, m7, [P5], %4, 8, 9, 10, 5, 4, m1, m8 ; [p5] -p7 -p6 +p5 +q1
+ FILTER_UPDATE m4, m5, m6, m7, [P4], %4, 8, 10, 11, 6, 4, m1, m9 ; [p4] -p7 -p5 +p4 +q2
+ FILTER_UPDATE m4, m5, m6, m7, [P3], %4, 8, 11, 0, 7, 4, m1, m14 ; [p3] -p7 -p4 +p3 +q3
+ FILTER_UPDATE m4, m5, m6, m7, [P2], %4, 8, 0, 1, 12, 4, m1, "", m8, [Q4] ; [p2] -p7 -p3 +p2 +q4
+ FILTER_UPDATE m4, m5, m6, m7, [P1], %4, 8, 1, 2, 13, 4, m1, "", m9, [Q5] ; [p1] -p7 -p2 +p1 +q5
+ FILTER_UPDATE m4, m5, m6, m7, [P0], %4, 8, 2, 3, 14, 4, m1, "", m14, [Q6] ; [p0] -p7 -p1 +p0 +q6
+ FILTER_UPDATE m4, m5, m6, m7, [Q0], %4, 8, 3, 4, 15, 4, m1, "", m15, [Q7] ; [q0] -p7 -p0 +q0 +q7
+ FILTER_UPDATE m4, m5, m6, m7, [Q1], %4, 9, 4, 5, 15, 4, m1, "" ; [q1] -p6 -q0 +q1 +q7
+ FILTER_UPDATE m4, m5, m6, m7, [Q2], %4, 10, 5, 6, 15, 4, m1, "" ; [q2] -p5 -q1 +q2 +q7
+ FILTER_UPDATE m4, m5, m6, m7, [Q3], %4, 11, 6, 7, 15, 4, m1, "" ; [q3] -p4 -q2 +q3 +q7
+ FILTER_UPDATE m4, m5, m6, m7, [Q4], %4, 0, 7, 12, 15, 4, m1, m8 ; [q4] -p3 -q3 +q4 +q7
+ FILTER_UPDATE m4, m5, m6, m7, [Q5], %4, 1, 12, 13, 15, 4, m1, m9 ; [q5] -p2 -q4 +q5 +q7
+ FILTER_UPDATE m4, m5, m6, m7, [Q6], %4, 2, 13, 14, 15, 4, m1, m14 ; [q6] -p1 -q5 +q6 +q7
%endif
%ifidn %1, h
@@ -800,22 +807,22 @@ cglobal vp9_loop_filter_%1_%2_16, 2, 6, 16, %3, dst, stride, mstride, dst2, stri
RET
%endmacro
-%macro LPF_16_VH 2
-INIT_XMM %2
-LOOPFILTER v, %1, 0
-LOOPFILTER h, %1, 256
+%macro LPF_16_VH 3
+INIT_XMM %3
+LOOPFILTER v, %1, %2, 0
+LOOPFILTER h, %1, %2, 256
%endmacro
-%macro LPF_16_VH_ALL_OPTS 1
-LPF_16_VH %1, sse2
-LPF_16_VH %1, ssse3
-LPF_16_VH %1, avx
+%macro LPF_16_VH_ALL_OPTS 2
+LPF_16_VH %1, %2, sse2
+LPF_16_VH %1, %2, ssse3
+LPF_16_VH %1, %2, avx
%endmacro
-LPF_16_VH_ALL_OPTS 16
-LPF_16_VH_ALL_OPTS 44
-LPF_16_VH_ALL_OPTS 48
-LPF_16_VH_ALL_OPTS 84
-LPF_16_VH_ALL_OPTS 88
+LPF_16_VH_ALL_OPTS 16, 512
+LPF_16_VH_ALL_OPTS 44, 0
+LPF_16_VH_ALL_OPTS 48, 256
+LPF_16_VH_ALL_OPTS 84, 256
+LPF_16_VH_ALL_OPTS 88, 256
%endif ; x86-64
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