ref: ef1fb6deb4badfe9f78e7e623800b92db0915152
dir: /vp9/common/x86/vp9_postproc_sse2.asm/
;
; Copyright (c) 2010 The WebM project authors. All Rights Reserved.
;
; Use of this source code is governed by a BSD-style license
; that can be found in the LICENSE file in the root of the source
; tree. An additional intellectual property rights grant can be found
; in the file PATENTS. All contributing project authors may
; be found in the AUTHORS file in the root of the source tree.
;
%include "vpx_ports/x86_abi_support.asm"
;void vp9_post_proc_down_and_across_xmm
;(
; unsigned char *src_ptr,
; unsigned char *dst_ptr,
; int src_pixels_per_line,
; int dst_pixels_per_line,
; int rows,
; int cols,
; int flimit
;)
global sym(vp9_post_proc_down_and_across_xmm) PRIVATE
sym(vp9_post_proc_down_and_across_xmm):
push rbp
mov rbp, rsp
SHADOW_ARGS_TO_STACK 7
SAVE_XMM 7
GET_GOT rbx
push rsi
push rdi
; end prolog
%if ABI_IS_32BIT=1 && CONFIG_PIC=1
ALIGN_STACK 16, rax
; move the global rd onto the stack, since we don't have enough registers
; to do PIC addressing
movdqa xmm0, [GLOBAL(rd42)]
sub rsp, 16
movdqa [rsp], xmm0
%define RD42 [rsp]
%else
%define RD42 [GLOBAL(rd42)]
%endif
movd xmm2, dword ptr arg(6) ;flimit
punpcklwd xmm2, xmm2
punpckldq xmm2, xmm2
punpcklqdq xmm2, xmm2
mov rsi, arg(0) ;src_ptr
mov rdi, arg(1) ;dst_ptr
movsxd rcx, DWORD PTR arg(4) ;rows
movsxd rax, DWORD PTR arg(2) ;src_pixels_per_line ; destination pitch?
pxor xmm0, xmm0 ; mm0 = 00000000
.nextrow:
xor rdx, rdx ; clear out rdx for use as loop counter
.nextcol:
movq xmm3, QWORD PTR [rsi] ; mm4 = r0 p0..p7
punpcklbw xmm3, xmm0 ; mm3 = p0..p3
movdqa xmm1, xmm3 ; mm1 = p0..p3
psllw xmm3, 2 ;
movq xmm5, QWORD PTR [rsi + rax] ; mm4 = r1 p0..p7
punpcklbw xmm5, xmm0 ; mm5 = r1 p0..p3
paddusw xmm3, xmm5 ; mm3 += mm6
; thresholding
movdqa xmm7, xmm1 ; mm7 = r0 p0..p3
psubusw xmm7, xmm5 ; mm7 = r0 p0..p3 - r1 p0..p3
psubusw xmm5, xmm1 ; mm5 = r1 p0..p3 - r0 p0..p3
paddusw xmm7, xmm5 ; mm7 = abs(r0 p0..p3 - r1 p0..p3)
pcmpgtw xmm7, xmm2
movq xmm5, QWORD PTR [rsi + 2*rax] ; mm4 = r2 p0..p7
punpcklbw xmm5, xmm0 ; mm5 = r2 p0..p3
paddusw xmm3, xmm5 ; mm3 += mm5
; thresholding
movdqa xmm6, xmm1 ; mm6 = r0 p0..p3
psubusw xmm6, xmm5 ; mm6 = r0 p0..p3 - r2 p0..p3
psubusw xmm5, xmm1 ; mm5 = r2 p0..p3 - r2 p0..p3
paddusw xmm6, xmm5 ; mm6 = abs(r0 p0..p3 - r2 p0..p3)
pcmpgtw xmm6, xmm2
por xmm7, xmm6 ; accumulate thresholds
neg rax
movq xmm5, QWORD PTR [rsi+2*rax] ; mm4 = r-2 p0..p7
punpcklbw xmm5, xmm0 ; mm5 = r-2 p0..p3
paddusw xmm3, xmm5 ; mm3 += mm5
; thresholding
movdqa xmm6, xmm1 ; mm6 = r0 p0..p3
psubusw xmm6, xmm5 ; mm6 = p0..p3 - r-2 p0..p3
psubusw xmm5, xmm1 ; mm5 = r-2 p0..p3 - p0..p3
paddusw xmm6, xmm5 ; mm6 = abs(r0 p0..p3 - r-2 p0..p3)
pcmpgtw xmm6, xmm2
por xmm7, xmm6 ; accumulate thresholds
movq xmm4, QWORD PTR [rsi+rax] ; mm4 = r-1 p0..p7
punpcklbw xmm4, xmm0 ; mm4 = r-1 p0..p3
paddusw xmm3, xmm4 ; mm3 += mm5
; thresholding
movdqa xmm6, xmm1 ; mm6 = r0 p0..p3
psubusw xmm6, xmm4 ; mm6 = p0..p3 - r-2 p0..p3
psubusw xmm4, xmm1 ; mm5 = r-1 p0..p3 - p0..p3
paddusw xmm6, xmm4 ; mm6 = abs(r0 p0..p3 - r-1 p0..p3)
pcmpgtw xmm6, xmm2
por xmm7, xmm6 ; accumulate thresholds
paddusw xmm3, RD42 ; mm3 += round value
psraw xmm3, 3 ; mm3 /= 8
pand xmm1, xmm7 ; mm1 select vals > thresh from source
pandn xmm7, xmm3 ; mm7 select vals < thresh from blurred result
paddusw xmm1, xmm7 ; combination
packuswb xmm1, xmm0 ; pack to bytes
movq QWORD PTR [rdi], xmm1 ;
neg rax ; pitch is positive
add rsi, 8
add rdi, 8
add rdx, 8
cmp edx, dword arg(5) ;cols
jl .nextcol
; done with the all cols, start the across filtering in place
sub rsi, rdx
sub rdi, rdx
xor rdx, rdx
movq mm0, QWORD PTR [rdi-8];
.acrossnextcol:
movq xmm7, QWORD PTR [rdi +rdx -2]
movd xmm4, DWORD PTR [rdi +rdx +6]
pslldq xmm4, 8
por xmm4, xmm7
movdqa xmm3, xmm4
psrldq xmm3, 2
punpcklbw xmm3, xmm0 ; mm3 = p0..p3
movdqa xmm1, xmm3 ; mm1 = p0..p3
psllw xmm3, 2
movdqa xmm5, xmm4
psrldq xmm5, 3
punpcklbw xmm5, xmm0 ; mm5 = p1..p4
paddusw xmm3, xmm5 ; mm3 += mm6
; thresholding
movdqa xmm7, xmm1 ; mm7 = p0..p3
psubusw xmm7, xmm5 ; mm7 = p0..p3 - p1..p4
psubusw xmm5, xmm1 ; mm5 = p1..p4 - p0..p3
paddusw xmm7, xmm5 ; mm7 = abs(p0..p3 - p1..p4)
pcmpgtw xmm7, xmm2
movdqa xmm5, xmm4
psrldq xmm5, 4
punpcklbw xmm5, xmm0 ; mm5 = p2..p5
paddusw xmm3, xmm5 ; mm3 += mm5
; thresholding
movdqa xmm6, xmm1 ; mm6 = p0..p3
psubusw xmm6, xmm5 ; mm6 = p0..p3 - p1..p4
psubusw xmm5, xmm1 ; mm5 = p1..p4 - p0..p3
paddusw xmm6, xmm5 ; mm6 = abs(p0..p3 - p1..p4)
pcmpgtw xmm6, xmm2
por xmm7, xmm6 ; accumulate thresholds
movdqa xmm5, xmm4 ; mm5 = p-2..p5
punpcklbw xmm5, xmm0 ; mm5 = p-2..p1
paddusw xmm3, xmm5 ; mm3 += mm5
; thresholding
movdqa xmm6, xmm1 ; mm6 = p0..p3
psubusw xmm6, xmm5 ; mm6 = p0..p3 - p1..p4
psubusw xmm5, xmm1 ; mm5 = p1..p4 - p0..p3
paddusw xmm6, xmm5 ; mm6 = abs(p0..p3 - p1..p4)
pcmpgtw xmm6, xmm2
por xmm7, xmm6 ; accumulate thresholds
psrldq xmm4, 1 ; mm4 = p-1..p5
punpcklbw xmm4, xmm0 ; mm4 = p-1..p2
paddusw xmm3, xmm4 ; mm3 += mm5
; thresholding
movdqa xmm6, xmm1 ; mm6 = p0..p3
psubusw xmm6, xmm4 ; mm6 = p0..p3 - p1..p4
psubusw xmm4, xmm1 ; mm5 = p1..p4 - p0..p3
paddusw xmm6, xmm4 ; mm6 = abs(p0..p3 - p1..p4)
pcmpgtw xmm6, xmm2
por xmm7, xmm6 ; accumulate thresholds
paddusw xmm3, RD42 ; mm3 += round value
psraw xmm3, 3 ; mm3 /= 8
pand xmm1, xmm7 ; mm1 select vals > thresh from source
pandn xmm7, xmm3 ; mm7 select vals < thresh from blurred result
paddusw xmm1, xmm7 ; combination
packuswb xmm1, xmm0 ; pack to bytes
movq QWORD PTR [rdi+rdx-8], mm0 ; store previous four bytes
movdq2q mm0, xmm1
add rdx, 8
cmp edx, dword arg(5) ;cols
jl .acrossnextcol;
; last 8 pixels
movq QWORD PTR [rdi+rdx-8], mm0
; done with this rwo
add rsi,rax ; next line
mov eax, dword arg(3) ;dst_pixels_per_line ; destination pitch?
add rdi,rax ; next destination
mov eax, dword arg(2) ;src_pixels_per_line ; destination pitch?
dec rcx ; decrement count
jnz .nextrow ; next row
%if ABI_IS_32BIT=1 && CONFIG_PIC=1
add rsp,16
pop rsp
%endif
; begin epilog
pop rdi
pop rsi
RESTORE_GOT
RESTORE_XMM
UNSHADOW_ARGS
pop rbp
ret
%undef RD42
;void vp9_mbpost_proc_down_xmm(unsigned char *dst,
; int pitch, int rows, int cols,int flimit)
extern sym(vp9_rv)
global sym(vp9_mbpost_proc_down_xmm) PRIVATE
sym(vp9_mbpost_proc_down_xmm):
push rbp
mov rbp, rsp
SHADOW_ARGS_TO_STACK 5
SAVE_XMM 7
GET_GOT rbx
push rsi
push rdi
; end prolog
ALIGN_STACK 16, rax
sub rsp, 128+16
; unsigned char d[16][8] at [rsp]
; create flimit2 at [rsp+128]
mov eax, dword ptr arg(4) ;flimit
mov [rsp+128], eax
mov [rsp+128+4], eax
mov [rsp+128+8], eax
mov [rsp+128+12], eax
%define flimit4 [rsp+128]
%if ABI_IS_32BIT=0
lea r8, [GLOBAL(sym(vp9_rv))]
%endif
;rows +=8;
add dword arg(2), 8
;for(c=0; c<cols; c+=8)
.loop_col:
mov rsi, arg(0) ; s
pxor xmm0, xmm0 ;
movsxd rax, dword ptr arg(1) ;pitch ;
neg rax ; rax = -pitch
lea rsi, [rsi + rax*8]; ; rdi = s[-pitch*8]
neg rax
pxor xmm5, xmm5
pxor xmm6, xmm6 ;
pxor xmm7, xmm7 ;
mov rdi, rsi
mov rcx, 15 ;
.loop_initvar:
movq xmm1, QWORD PTR [rdi];
punpcklbw xmm1, xmm0 ;
paddw xmm5, xmm1 ;
pmullw xmm1, xmm1 ;
movdqa xmm2, xmm1 ;
punpcklwd xmm1, xmm0 ;
punpckhwd xmm2, xmm0 ;
paddd xmm6, xmm1 ;
paddd xmm7, xmm2 ;
lea rdi, [rdi+rax] ;
dec rcx
jne .loop_initvar
;save the var and sum
xor rdx, rdx
.loop_row:
movq xmm1, QWORD PTR [rsi] ; [s-pitch*8]
movq xmm2, QWORD PTR [rdi] ; [s+pitch*7]
punpcklbw xmm1, xmm0
punpcklbw xmm2, xmm0
paddw xmm5, xmm2
psubw xmm5, xmm1
pmullw xmm2, xmm2
movdqa xmm4, xmm2
punpcklwd xmm2, xmm0
punpckhwd xmm4, xmm0
paddd xmm6, xmm2
paddd xmm7, xmm4
pmullw xmm1, xmm1
movdqa xmm2, xmm1
punpcklwd xmm1, xmm0
psubd xmm6, xmm1
punpckhwd xmm2, xmm0
psubd xmm7, xmm2
movdqa xmm3, xmm6
pslld xmm3, 4
psubd xmm3, xmm6
movdqa xmm1, xmm5
movdqa xmm4, xmm5
pmullw xmm1, xmm1
pmulhw xmm4, xmm4
movdqa xmm2, xmm1
punpcklwd xmm1, xmm4
punpckhwd xmm2, xmm4
movdqa xmm4, xmm7
pslld xmm4, 4
psubd xmm4, xmm7
psubd xmm3, xmm1
psubd xmm4, xmm2
psubd xmm3, flimit4
psubd xmm4, flimit4
psrad xmm3, 31
psrad xmm4, 31
packssdw xmm3, xmm4
packsswb xmm3, xmm0
movq xmm1, QWORD PTR [rsi+rax*8]
movq xmm2, xmm1
punpcklbw xmm1, xmm0
paddw xmm1, xmm5
mov rcx, rdx
and rcx, 127
%if ABI_IS_32BIT=1 && CONFIG_PIC=1
push rax
lea rax, [GLOBAL(sym(vp9_rv))]
movdqu xmm4, [rax + rcx*2] ;vp9_rv[rcx*2]
pop rax
%elif ABI_IS_32BIT=0
movdqu xmm4, [r8 + rcx*2] ;vp9_rv[rcx*2]
%else
movdqu xmm4, [sym(vp9_rv) + rcx*2]
%endif
paddw xmm1, xmm4
;paddw xmm1, eight8s
psraw xmm1, 4
packuswb xmm1, xmm0
pand xmm1, xmm3
pandn xmm3, xmm2
por xmm1, xmm3
and rcx, 15
movq QWORD PTR [rsp + rcx*8], xmm1 ;d[rcx*8]
mov rcx, rdx
sub rcx, 8
and rcx, 15
movq mm0, [rsp + rcx*8] ;d[rcx*8]
movq [rsi], mm0
lea rsi, [rsi+rax]
lea rdi, [rdi+rax]
add rdx, 1
cmp edx, dword arg(2) ;rows
jl .loop_row
add dword arg(0), 8 ; s += 8
sub dword arg(3), 8 ; cols -= 8
cmp dword arg(3), 0
jg .loop_col
add rsp, 128+16
pop rsp
; begin epilog
pop rdi
pop rsi
RESTORE_GOT
RESTORE_XMM
UNSHADOW_ARGS
pop rbp
ret
%undef flimit4
;void vp9_mbpost_proc_across_ip_xmm(unsigned char *src,
; int pitch, int rows, int cols,int flimit)
global sym(vp9_mbpost_proc_across_ip_xmm) PRIVATE
sym(vp9_mbpost_proc_across_ip_xmm):
push rbp
mov rbp, rsp
SHADOW_ARGS_TO_STACK 5
SAVE_XMM 7
GET_GOT rbx
push rsi
push rdi
; end prolog
ALIGN_STACK 16, rax
sub rsp, 16
; create flimit4 at [rsp]
mov eax, dword ptr arg(4) ;flimit
mov [rsp], eax
mov [rsp+4], eax
mov [rsp+8], eax
mov [rsp+12], eax
%define flimit4 [rsp]
;for(r=0;r<rows;r++)
.ip_row_loop:
xor rdx, rdx ;sumsq=0;
xor rcx, rcx ;sum=0;
mov rsi, arg(0); s
mov rdi, -8
.ip_var_loop:
;for(i=-8;i<=6;i++)
;{
; sumsq += s[i]*s[i];
; sum += s[i];
;}
movzx eax, byte [rsi+rdi]
add ecx, eax
mul al
add edx, eax
add rdi, 1
cmp rdi, 6
jle .ip_var_loop
;mov rax, sumsq
;movd xmm7, rax
movd xmm7, edx
;mov rax, sum
;movd xmm6, rax
movd xmm6, ecx
mov rsi, arg(0) ;s
xor rcx, rcx
movsxd rdx, dword arg(3) ;cols
add rdx, 8
pxor mm0, mm0
pxor mm1, mm1
pxor xmm0, xmm0
.nextcol4:
movd xmm1, DWORD PTR [rsi+rcx-8] ; -8 -7 -6 -5
movd xmm2, DWORD PTR [rsi+rcx+7] ; +7 +8 +9 +10
punpcklbw xmm1, xmm0 ; expanding
punpcklbw xmm2, xmm0 ; expanding
punpcklwd xmm1, xmm0 ; expanding to dwords
punpcklwd xmm2, xmm0 ; expanding to dwords
psubd xmm2, xmm1 ; 7--8 8--7 9--6 10--5
paddd xmm1, xmm1 ; -8*2 -7*2 -6*2 -5*2
paddd xmm1, xmm2 ; 7+-8 8+-7 9+-6 10+-5
pmaddwd xmm1, xmm2 ; squared of 7+-8 8+-7 9+-6 10+-5
paddd xmm6, xmm2
paddd xmm7, xmm1
pshufd xmm6, xmm6, 0 ; duplicate the last ones
pshufd xmm7, xmm7, 0 ; duplicate the last ones
psrldq xmm1, 4 ; 8--7 9--6 10--5 0000
psrldq xmm2, 4 ; 8--7 9--6 10--5 0000
pshufd xmm3, xmm1, 3 ; 0000 8--7 8--7 8--7 squared
pshufd xmm4, xmm2, 3 ; 0000 8--7 8--7 8--7 squared
paddd xmm6, xmm4
paddd xmm7, xmm3
pshufd xmm3, xmm1, 01011111b ; 0000 0000 9--6 9--6 squared
pshufd xmm4, xmm2, 01011111b ; 0000 0000 9--6 9--6 squared
paddd xmm7, xmm3
paddd xmm6, xmm4
pshufd xmm3, xmm1, 10111111b ; 0000 0000 8--7 8--7 squared
pshufd xmm4, xmm2, 10111111b ; 0000 0000 8--7 8--7 squared
paddd xmm7, xmm3
paddd xmm6, xmm4
movdqa xmm3, xmm6
pmaddwd xmm3, xmm3
movdqa xmm5, xmm7
pslld xmm5, 4
psubd xmm5, xmm7
psubd xmm5, xmm3
psubd xmm5, flimit4
psrad xmm5, 31
packssdw xmm5, xmm0
packsswb xmm5, xmm0
movd xmm1, DWORD PTR [rsi+rcx]
movq xmm2, xmm1
punpcklbw xmm1, xmm0
punpcklwd xmm1, xmm0
paddd xmm1, xmm6
paddd xmm1, [GLOBAL(four8s)]
psrad xmm1, 4
packssdw xmm1, xmm0
packuswb xmm1, xmm0
pand xmm1, xmm5
pandn xmm5, xmm2
por xmm5, xmm1
movd [rsi+rcx-8], mm0
movq mm0, mm1
movdq2q mm1, xmm5
psrldq xmm7, 12
psrldq xmm6, 12
add rcx, 4
cmp rcx, rdx
jl .nextcol4
;s+=pitch;
movsxd rax, dword arg(1)
add arg(0), rax
sub dword arg(2), 1 ;rows-=1
cmp dword arg(2), 0
jg .ip_row_loop
add rsp, 16
pop rsp
; begin epilog
pop rdi
pop rsi
RESTORE_GOT
RESTORE_XMM
UNSHADOW_ARGS
pop rbp
ret
%undef flimit4
SECTION_RODATA
align 16
rd42:
times 8 dw 0x04
four8s:
times 4 dd 8