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Be more efficient with registers or stack memory. Saves 8/16 bytes stack 

for x86-32, or 2 MM registers on x86-64.

Originally committed as revision 24338 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Ronald S. Bultje 2010-07-19 21:45:36 +00:00
parent 3facfc99da
commit fb9bdf048c
1 changed files with 16 additions and 16 deletions
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32
libavcodec/x86/vp8dsp.asm
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@ -1411,7 +1411,7 @@ cglobal vp8_%2_loop_filter16y_inner_%1, 5, %3, %4
sub rsp, mmsize * 4 ; stack layout: [0]=E, [1]=I, [2]=hev_thr
; [3]=hev() result
%else ; h
sub rsp, mmsize * 6 ; extra storage space for transposes
sub rsp, mmsize * 5 ; extra storage space for transposes
%endif
%define flim_E [rsp]
@ -1470,7 +1470,7 @@ cglobal vp8_%2_loop_filter16y_inner_%1, 5, %3, %4
; 8x8 transpose
TRANSPOSE4x4B 0, 1, 2, 3, 7
%ifdef m13
SWAP 1, 13
SWAP 1, 8
%else
mova [rsp+mmsize*4], m1
%endif
@ -1480,17 +1480,17 @@ cglobal vp8_%2_loop_filter16y_inner_%1, 5, %3, %4
SBUTTERFLY dq, 2, 6, 1 ; q0/q1
SBUTTERFLY dq, 3, 7, 1 ; q2/q3
%ifdef m13
SWAP 1, 13
SWAP 2, 13
SWAP 1, 8
SWAP 2, 8
%else
mova m1, [rsp+mmsize*4]
mova [rsp+mmsize*4], m2 ; store q0
%endif
SBUTTERFLY dq, 1, 5, 2 ; p1/p0
%ifdef m14
SWAP 5, 14
SWAP 5, 12
%else
mova [rsp+mmsize*5], m5 ; store p0
mova [rsp+mmsize*3], m5 ; store p0
%endif
SWAP 1, 4
SWAP 2, 4
@ -1527,7 +1527,7 @@ cglobal vp8_%2_loop_filter16y_inner_%1, 5, %3, %4
; 8x16 transpose
TRANSPOSE4x4B 0, 1, 2, 3, 7
%ifdef m13
SWAP 1, 13
SWAP 1, 8
%else
mova [rsp+mmsize*4], m1
%endif
@ -1539,17 +1539,17 @@ cglobal vp8_%2_loop_filter16y_inner_%1, 5, %3, %4
SBUTTERFLY dq, 2, 6, 1 ; q0/q1
SBUTTERFLY dq, 3, 7, 1 ; q2/q3
%ifdef m13
SWAP 1, 13
SWAP 2, 13
SWAP 1, 8
SWAP 2, 8
%else
mova m1, [rsp+mmsize*4]
mova [rsp+mmsize*4], m2 ; store q0
%endif
SBUTTERFLY dq, 1, 5, 2 ; p1/p0
%ifdef m14
SWAP 5, 14
SWAP 5, 12
%else
mova [rsp+mmsize*5], m5 ; store p0
mova [rsp+mmsize*3], m5 ; store p0
%endif
SWAP 1, 4
SWAP 2, 4
@ -1611,9 +1611,9 @@ cglobal vp8_%2_loop_filter16y_inner_%1, 5, %3, %4
%ifidn %2, v
mova m3, [dst_reg +mstride_reg] ; p0
%elifdef m14
SWAP 3, 14
SWAP 3, 12
%else
mova m3, [rsp+mmsize*5]
mova m3, [rsp+mmsize*3]
%endif
mova m1, m2
@ -1644,7 +1644,7 @@ cglobal vp8_%2_loop_filter16y_inner_%1, 5, %3, %4
%ifidn %2, v
mova m4, [dst_reg] ; q0
%elifdef m13
SWAP 4, 13
SWAP 4, 8
%else
mova m4, [rsp+mmsize*4]
%endif
@ -1836,7 +1836,7 @@ INNER_LOOPFILTER mmxext, h, 6, 8
INIT_XMM
INNER_LOOPFILTER sse2, v, 5, 13
%ifdef m8
INNER_LOOPFILTER sse2, h, 5, 15
INNER_LOOPFILTER sse2, h, 5, 13
%else
INNER_LOOPFILTER sse2, h, 6, 15
INNER_LOOPFILTER sse2, h, 6, 13
%endif