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Give x86 r%d registers names, this will simplify implementation of the chroma 

inner loopfilter, and it also allows us to save one register on x86-64/sse2.

Originally committed as revision 24269 to svn://svn.ffmpeg.org/ffmpeg/trunk
tags/n0.8
Ronald S. Bultje 15 years ago
parent
526e831a46
commit
ede1b9665a
1 changed files with 81 additions and 58 deletions
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  1. +81
    -58
      libavcodec/x86/vp8dsp.asm

+ 81
- 58
libavcodec/x86/vp8dsp.asm View File

@@ -1380,14 +1380,33 @@ SIMPLE_LOOPFILTER sse2, h, 6

%macro INNER_LOOPFILTER 4
cglobal vp8_%2_loop_filter16_inner_%1, 5, %3, %4
%define dst_reg r0
%define mstride_reg r1
%define stride_reg r2
%define E_reg r2
%define I_reg r3
%define hev_thr_reg r4
%ifdef m8 ; x86-64, sse2
%define dst8_reg r4
%elif mmsize == 16 ; x86-32, sse2
%define dst8_reg r5
%else ; x86-32, mmx/mmxext
%define cnt_reg r5
%endif
%define stride_reg E_reg
%define dst2_reg I_reg
%ifndef m8
%define stack_reg hev_thr_reg
%endif

%ifndef m8 ; mmx/mmxext or sse2 on x86-32
; splat function arguments
SPLATB_REG m0, r2, %1 ; E
SPLATB_REG m1, r3, %1 ; I
SPLATB_REG m2, r4, %1 ; hev_thresh
SPLATB_REG m0, E_reg, %1 ; E
SPLATB_REG m1, I_reg, %1 ; I
SPLATB_REG m2, hev_thr_reg, %1 ; hev_thresh

; align stack
mov r4, rsp ; backup stack pointer
mov stack_reg, rsp ; backup stack pointer
and rsp, ~(mmsize-1) ; align stack
%ifidn %2, v
sub rsp, mmsize * 4 ; stack layout: [0]=E, [1]=I, [2]=hev_thr
@@ -1413,41 +1432,41 @@ cglobal vp8_%2_loop_filter16_inner_%1, 5, %3, %4
%define mask_res m12

; splat function arguments
SPLATB_REG flim_E, r2, %1 ; E
SPLATB_REG flim_I, r3, %1 ; I
SPLATB_REG hev_thr, r4, %1 ; hev_thresh
SPLATB_REG flim_E, E_reg, %1 ; E
SPLATB_REG flim_I, I_reg, %1 ; I
SPLATB_REG hev_thr, hev_thr_reg, %1 ; hev_thresh
%endif

%if mmsize == 8 ; mmx/mmxext
mov r5, 2
mov cnt_reg, 2
%endif
mov r2, r1
neg r1
mov stride_reg, mstride_reg
neg mstride_reg
%ifidn %2, h
lea r0, [r0+4*r2-4]
lea dst_reg, [dst_reg + stride_reg*4-4]
%endif

%if mmsize == 8
.next8px
%endif
; read
lea r3, [r0+r2]
lea dst2_reg, [dst_reg + stride_reg]
%ifidn %2, v
mova m0, [r0+r1*4] ; p3
mova m1, [r3+r1*4] ; p2
mova m2, [r0+r1*2] ; p1
mova m5, [r3] ; q1
mova m6, [r3+r2] ; q2
mova m7, [r3+r2*2] ; q3
mova m0, [dst_reg +mstride_reg*4] ; p3
mova m1, [dst2_reg+mstride_reg*4] ; p2
mova m2, [dst_reg +mstride_reg*2] ; p1
mova m5, [dst2_reg] ; q1
mova m6, [dst2_reg+ stride_reg] ; q2
mova m7, [dst2_reg+ stride_reg*2] ; q3
%elif mmsize == 8 ; mmx/mmxext (h)
; read 8 rows of 8px each
movu m0, [r0+r1*4]
movu m1, [r3+r1*4]
movu m2, [r0+r1*2]
movu m3, [r0+r1]
movu m4, [r0]
movu m5, [r3]
movu m6, [r3+r2]
movu m0, [dst_reg +mstride_reg*4]
movu m1, [dst2_reg+mstride_reg*4]
movu m2, [dst_reg +mstride_reg*2]
movu m3, [dst_reg +mstride_reg]
movu m4, [dst_reg]
movu m5, [dst2_reg]
movu m6, [dst2_reg+ stride_reg]

; 8x8 transpose
TRANSPOSE4x4B 0, 1, 2, 3, 7
@@ -1456,7 +1475,7 @@ cglobal vp8_%2_loop_filter16_inner_%1, 5, %3, %4
%else
mova [rsp+mmsize*4], m1
%endif
movu m7, [r3+r2*2]
movu m7, [dst2_reg+ stride_reg*2]
TRANSPOSE4x4B 4, 5, 6, 7, 1
SBUTTERFLY dq, 0, 4, 1 ; p3/p2
SBUTTERFLY dq, 2, 6, 1 ; q0/q1
@@ -1479,31 +1498,31 @@ cglobal vp8_%2_loop_filter16_inner_%1, 5, %3, %4
SWAP 6, 3
SWAP 5, 3
%else ; sse2 (h)
lea r5, [r0+r2*8]
lea dst8_reg, [dst_reg + stride_reg*8]

; read 16 rows of 8px each, interleave
movh m0, [r0+r1*4]
movh m1, [r5+r1*4]
movh m2, [r0+r1*2]
movh m5, [r5+r1*2]
movh m3, [r0+r1]
movh m6, [r5+r1]
movh m4, [r0]
movh m7, [r5]
movh m0, [dst_reg +mstride_reg*4]
movh m1, [dst8_reg+mstride_reg*4]
movh m2, [dst_reg +mstride_reg*2]
movh m5, [dst8_reg+mstride_reg*2]
movh m3, [dst_reg +mstride_reg]
movh m6, [dst8_reg+mstride_reg]
movh m4, [dst_reg]
movh m7, [dst8_reg]
punpcklbw m0, m1 ; A/I
punpcklbw m2, m5 ; C/K
punpcklbw m3, m6 ; D/L
punpcklbw m4, m7 ; E/M

add r5, r2
movh m1, [r3+r1*4]
movh m6, [r5+r1*4]
movh m5, [r3]
movh m7, [r5]
add dst8_reg, stride_reg
movh m1, [dst2_reg+mstride_reg*4]
movh m6, [dst8_reg+mstride_reg*4]
movh m5, [dst2_reg]
movh m7, [dst8_reg]
punpcklbw m1, m6 ; B/J
punpcklbw m5, m7 ; F/N
movh m6, [r3+r2]
movh m7, [r5+r2]
movh m6, [dst2_reg+ stride_reg]
movh m7, [dst8_reg+ stride_reg]
punpcklbw m6, m7 ; G/O

; 8x16 transpose
@@ -1513,8 +1532,8 @@ cglobal vp8_%2_loop_filter16_inner_%1, 5, %3, %4
%else
mova [rsp+mmsize*4], m1
%endif
movh m7, [r3+r2*2]
movh m1, [r5+r2*2]
movh m7, [dst2_reg+ stride_reg*2]
movh m1, [dst8_reg+ stride_reg*2]
punpcklbw m7, m1 ; H/P
TRANSPOSE4x4B 4, 5, 6, 7, 1
SBUTTERFLY dq, 0, 4, 1 ; p3/p2
@@ -1591,7 +1610,7 @@ cglobal vp8_%2_loop_filter16_inner_%1, 5, %3, %4
; normal_limit and high_edge_variance for p1-p0, q1-q0
SWAP 7, 3 ; now m7 is zero
%ifidn %2, v
mova m3, [r0+r1] ; p0
mova m3, [dst_reg +mstride_reg] ; p0
%elifdef m14
SWAP 3, 14
%else
@@ -1624,7 +1643,7 @@ cglobal vp8_%2_loop_filter16_inner_%1, 5, %3, %4

SWAP 6, 4 ; now m6 is I
%ifidn %2, v
mova m4, [r0] ; q0
mova m4, [dst_reg] ; q0
%elifdef m13
SWAP 4, 13
%else
@@ -1775,37 +1794,37 @@ cglobal vp8_%2_loop_filter16_inner_%1, 5, %3, %4

; store
%ifidn %2, v
mova [r0+r1*2], m2
mova [r0+r1], m3
mova [r0], m4
mova [r0+r2], m5
mova [dst_reg+mstride_reg*2], m2
mova [dst_reg+mstride_reg ], m3
mova [dst_reg], m4
mova [dst_reg+ stride_reg ], m5
%else ; h
add r0, 2
add r3, 2
add dst_reg, 2
add dst2_reg, 2

; 4x8/16 transpose
TRANSPOSE4x4B 2, 3, 4, 5, 6

%if mmsize == 8 ; mmx/mmxext (h)
WRITE_4x2D 2, 3, 4, 5, r0, r3, r1, r2
WRITE_4x2D 2, 3, 4, 5, dst_reg, dst2_reg, mstride_reg, stride_reg
%else ; sse2 (h)
lea r5, [r5+r1+2]
WRITE_4x4D 2, 3, 4, 5, r0, r3, r5, r1, r2
WRITE_4x4D 2, 3, 4, 5, dst_reg, dst2_reg, dst8_reg, mstride_reg, stride_reg
%endif
%endif

%if mmsize == 8
%ifidn %2, h
lea r0, [r0+8*r2-2]
lea dst_reg, [dst_reg + stride_reg*8-2]
%else ; v
add r0, 8
add dst_reg, 8
%endif
dec r5
dec cnt_reg
jg .next8px
%endif

%ifndef m8 ; sse2 on x86-32 or mmx/mmxext
mov rsp, r4 ; restore stack pointer
mov rsp, stack_reg ; restore stack pointer
%endif
RET
%endmacro
@@ -1817,4 +1836,8 @@ INNER_LOOPFILTER mmxext, v, 6, 8
INNER_LOOPFILTER mmxext, h, 6, 8
INIT_XMM
INNER_LOOPFILTER sse2, v, 5, 13
%ifdef m8
INNER_LOOPFILTER sse2, h, 5, 15
%else
INNER_LOOPFILTER sse2, h, 6, 15
%endif

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