ref: b1f789cf18ffcc976704184f2544d218c88f8ded
dir: /vpx_dsp/x86/deblock_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"
;macro in deblock functions
%macro FIRST_2_ROWS 0
movdqa xmm4, xmm0
movdqa xmm6, xmm0
movdqa xmm5, xmm1
pavgb xmm5, xmm3
;calculate absolute value
psubusb xmm4, xmm1
psubusb xmm1, xmm0
psubusb xmm6, xmm3
psubusb xmm3, xmm0
paddusb xmm4, xmm1
paddusb xmm6, xmm3
;get threshold
movdqa xmm2, flimit
pxor xmm1, xmm1
movdqa xmm7, xmm2
;get mask
psubusb xmm2, xmm4
psubusb xmm7, xmm6
pcmpeqb xmm2, xmm1
pcmpeqb xmm7, xmm1
por xmm7, xmm2
%endmacro
%macro SECOND_2_ROWS 0
movdqa xmm6, xmm0
movdqa xmm4, xmm0
movdqa xmm2, xmm1
pavgb xmm1, xmm3
;calculate absolute value
psubusb xmm6, xmm2
psubusb xmm2, xmm0
psubusb xmm4, xmm3
psubusb xmm3, xmm0
paddusb xmm6, xmm2
paddusb xmm4, xmm3
pavgb xmm5, xmm1
;get threshold
movdqa xmm2, flimit
pxor xmm1, xmm1
movdqa xmm3, xmm2
;get mask
psubusb xmm2, xmm6
psubusb xmm3, xmm4
pcmpeqb xmm2, xmm1
pcmpeqb xmm3, xmm1
por xmm7, xmm2
por xmm7, xmm3
pavgb xmm5, xmm0
;decide if or not to use filtered value
pand xmm0, xmm7
pandn xmm7, xmm5
paddusb xmm0, xmm7
%endmacro
%macro UPDATE_FLIMIT 0
movdqu xmm2, XMMWORD PTR [rbx]
movdqu [rsp], xmm2
add rbx, 16
%endmacro
SECTION .text
;void vpx_post_proc_down_and_across_mb_row_sse2
;(
; unsigned char *src_ptr,
; unsigned char *dst_ptr,
; int src_pixels_per_line,
; int dst_pixels_per_line,
; int cols,
; int *flimits,
; int size
;)
global sym(vpx_post_proc_down_and_across_mb_row_sse2) PRIVATE
sym(vpx_post_proc_down_and_across_mb_row_sse2):
push rbp
mov rbp, rsp
SHADOW_ARGS_TO_STACK 7
SAVE_XMM 7
push rbx
push rsi
push rdi
; end prolog
ALIGN_STACK 16, rax
sub rsp, 16
; put flimit on stack
mov rbx, arg(5) ;flimits ptr
UPDATE_FLIMIT
%define flimit [rsp]
mov rsi, arg(0) ;src_ptr
mov rdi, arg(1) ;dst_ptr
movsxd rax, DWORD PTR arg(2) ;src_pixels_per_line
movsxd rcx, DWORD PTR arg(6) ;rows in a macroblock
.nextrow:
xor rdx, rdx ;col
.nextcol:
;load current and next 2 rows
movdqu xmm0, XMMWORD PTR [rsi]
movdqu xmm1, XMMWORD PTR [rsi + rax]
movdqu xmm3, XMMWORD PTR [rsi + 2*rax]
FIRST_2_ROWS
;load above 2 rows
neg rax
movdqu xmm1, XMMWORD PTR [rsi + 2*rax]
movdqu xmm3, XMMWORD PTR [rsi + rax]
SECOND_2_ROWS
movdqu XMMWORD PTR [rdi], xmm0
neg rax ; positive stride
add rsi, 16
add rdi, 16
add rdx, 16
cmp edx, dword arg(4) ;cols
jge .downdone
UPDATE_FLIMIT
jmp .nextcol
.downdone:
; done with the all cols, start the across filtering in place
sub rsi, rdx
sub rdi, rdx
mov rbx, arg(5) ; flimits
UPDATE_FLIMIT
; dup the first byte into the left border 8 times
movq mm1, [rdi]
punpcklbw mm1, mm1
punpcklwd mm1, mm1
punpckldq mm1, mm1
mov rdx, -8
movq [rdi+rdx], mm1
; dup the last byte into the right border
movsxd rdx, dword arg(4)
movq mm1, [rdi + rdx + -1]
punpcklbw mm1, mm1
punpcklwd mm1, mm1
punpckldq mm1, mm1
movq [rdi+rdx], mm1
xor rdx, rdx
movq mm0, QWORD PTR [rdi-16];
movq mm1, QWORD PTR [rdi-8];
.acrossnextcol:
movdqu xmm0, XMMWORD PTR [rdi + rdx]
movdqu xmm1, XMMWORD PTR [rdi + rdx -2]
movdqu xmm3, XMMWORD PTR [rdi + rdx -1]
FIRST_2_ROWS
movdqu xmm1, XMMWORD PTR [rdi + rdx +1]
movdqu xmm3, XMMWORD PTR [rdi + rdx +2]
SECOND_2_ROWS
movq QWORD PTR [rdi+rdx-16], mm0 ; store previous 8 bytes
movq QWORD PTR [rdi+rdx-8], mm1 ; store previous 8 bytes
movdq2q mm0, xmm0
psrldq xmm0, 8
movdq2q mm1, xmm0
add rdx, 16
cmp edx, dword arg(4) ;cols
jge .acrossdone
UPDATE_FLIMIT
jmp .acrossnextcol
.acrossdone:
; last 16 pixels
movq QWORD PTR [rdi+rdx-16], mm0
cmp edx, dword arg(4)
jne .throw_last_8
movq QWORD PTR [rdi+rdx-8], mm1
.throw_last_8:
; done with this rwo
add rsi,rax ;next src line
mov eax, dword arg(3) ;dst_pixels_per_line
add rdi,rax ;next destination
mov eax, dword arg(2) ;src_pixels_per_line
mov rbx, arg(5) ;flimits
UPDATE_FLIMIT
dec rcx ;decrement count
jnz .nextrow ;next row
add rsp, 16
pop rsp
; begin epilog
pop rdi
pop rsi
pop rbx
RESTORE_XMM
UNSHADOW_ARGS
pop rbp
ret
%undef flimit
;void vpx_mbpost_proc_down_sse2(unsigned char *dst,
; int pitch, int rows, int cols,int flimit)
extern sym(vpx_rv)
global sym(vpx_mbpost_proc_down_sse2) PRIVATE
sym(vpx_mbpost_proc_down_sse2):
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(vpx_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 ;
; this copies the last row down into the border 8 rows
mov rdi, rsi
mov rdx, arg(2)
sub rdx, 9
imul rdx, rax
lea rdi, [rdi+rdx]
movq xmm1, QWORD ptr[rdi] ; first row
mov rcx, 8
.init_borderd: ; initialize borders
lea rdi, [rdi + rax]
movq [rdi], xmm1
dec rcx
jne .init_borderd
neg rax ; rax = -pitch
; this copies the first row up into the border 8 rows
mov rdi, rsi
movq xmm1, QWORD ptr[rdi] ; first row
mov rcx, 8
.init_border: ; initialize borders
lea rdi, [rdi + rax]
movq [rdi], xmm1
dec rcx
jne .init_border
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(vpx_rv))]
movdqu xmm4, [rax + rcx*2] ;vpx_rv[rcx*2]
pop rax
%elif ABI_IS_32BIT=0
movdqu xmm4, [r8 + rcx*2] ;vpx_rv[rcx*2]
%else
movdqu xmm4, [sym(vpx_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]
cmp edx, 8
jl .skip_assignment
mov rcx, rdx
sub rcx, 8
and rcx, 15
movq mm0, [rsp + rcx*8] ;d[rcx*8]
movq [rsi], mm0
.skip_assignment:
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 vpx_mbpost_proc_across_ip_sse2(unsigned char *src,
; int pitch, int rows, int cols,int flimit)
global sym(vpx_mbpost_proc_across_ip_sse2) PRIVATE
sym(vpx_mbpost_proc_across_ip_sse2):
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
; dup the first byte into the left border 8 times
movq mm1, [rsi]
punpcklbw mm1, mm1
punpcklwd mm1, mm1
punpckldq mm1, mm1
mov rdi, -8
movq [rsi+rdi], mm1
; dup the last byte into the right border
movsxd rdx, dword arg(3)
movq mm1, [rsi + rdx + -1]
punpcklbw mm1, mm1
punpcklwd mm1, mm1
punpckldq mm1, mm1
movq [rsi+rdx], mm1
.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
four8s:
times 4 dd 8