ref: 4f5b2b28924fa63f88449e203905ec88168bbda7
dir: /vp8/common/x86/variance_impl_ssse3.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"
%define xmm_filter_shift 7
;void vp8_filter_block2d_bil_var_ssse3
;(
; unsigned char *ref_ptr,
; int ref_pixels_per_line,
; unsigned char *src_ptr,
; int src_pixels_per_line,
; unsigned int Height,
; int xoffset,
; int yoffset,
; int *sum,
; unsigned int *sumsquared;;
;
;)
;Note: The filter coefficient at offset=0 is 128. Since the second register
;for Pmaddubsw is signed bytes, we must calculate zero offset seperately.
global sym(vp8_filter_block2d_bil_var_ssse3) PRIVATE
sym(vp8_filter_block2d_bil_var_ssse3):
push rbp
mov rbp, rsp
SHADOW_ARGS_TO_STACK 9
SAVE_XMM 7
GET_GOT rbx
push rsi
push rdi
; end prolog
pxor xmm6, xmm6
pxor xmm7, xmm7
lea rcx, [GLOBAL(vp8_bilinear_filters_ssse3)]
movsxd rax, dword ptr arg(5) ; xoffset
cmp rax, 0 ; skip first_pass filter if xoffset=0
je .filter_block2d_bil_var_ssse3_sp_only
shl rax, 4 ; point to filter coeff with xoffset
lea rax, [rax + rcx] ; HFilter
movsxd rdx, dword ptr arg(6) ; yoffset
cmp rdx, 0 ; skip second_pass filter if yoffset=0
je .filter_block2d_bil_var_ssse3_fp_only
shl rdx, 4
lea rdx, [rdx + rcx] ; VFilter
mov rsi, arg(0) ;ref_ptr
mov rdi, arg(2) ;src_ptr
movsxd rcx, dword ptr arg(4) ;Height
movdqu xmm0, XMMWORD PTR [rsi]
movdqu xmm1, XMMWORD PTR [rsi+1]
movdqa xmm2, xmm0
punpcklbw xmm0, xmm1
punpckhbw xmm2, xmm1
pmaddubsw xmm0, [rax]
pmaddubsw xmm2, [rax]
paddw xmm0, [GLOBAL(xmm_bi_rd)]
paddw xmm2, [GLOBAL(xmm_bi_rd)]
psraw xmm0, xmm_filter_shift
psraw xmm2, xmm_filter_shift
packuswb xmm0, xmm2
%if ABI_IS_32BIT
add rsi, dword ptr arg(1) ;ref_pixels_per_line
%else
movsxd r8, dword ptr arg(1) ;ref_pixels_per_line
movsxd r9, dword ptr arg(3) ;src_pixels_per_line
lea rsi, [rsi + r8]
%endif
.filter_block2d_bil_var_ssse3_loop:
movdqu xmm1, XMMWORD PTR [rsi]
movdqu xmm2, XMMWORD PTR [rsi+1]
movdqa xmm3, xmm1
punpcklbw xmm1, xmm2
punpckhbw xmm3, xmm2
pmaddubsw xmm1, [rax]
pmaddubsw xmm3, [rax]
paddw xmm1, [GLOBAL(xmm_bi_rd)]
paddw xmm3, [GLOBAL(xmm_bi_rd)]
psraw xmm1, xmm_filter_shift
psraw xmm3, xmm_filter_shift
packuswb xmm1, xmm3
movdqa xmm2, xmm0
movdqa xmm0, xmm1
movdqa xmm3, xmm2
punpcklbw xmm2, xmm1
punpckhbw xmm3, xmm1
pmaddubsw xmm2, [rdx]
pmaddubsw xmm3, [rdx]
paddw xmm2, [GLOBAL(xmm_bi_rd)]
paddw xmm3, [GLOBAL(xmm_bi_rd)]
psraw xmm2, xmm_filter_shift
psraw xmm3, xmm_filter_shift
movq xmm1, QWORD PTR [rdi]
pxor xmm4, xmm4
punpcklbw xmm1, xmm4
movq xmm5, QWORD PTR [rdi+8]
punpcklbw xmm5, xmm4
psubw xmm2, xmm1
psubw xmm3, xmm5
paddw xmm6, xmm2
paddw xmm6, xmm3
pmaddwd xmm2, xmm2
pmaddwd xmm3, xmm3
paddd xmm7, xmm2
paddd xmm7, xmm3
%if ABI_IS_32BIT
add rsi, dword ptr arg(1) ;ref_pixels_per_line
add rdi, dword ptr arg(3) ;src_pixels_per_line
%else
lea rsi, [rsi + r8]
lea rdi, [rdi + r9]
%endif
sub rcx, 1
jnz .filter_block2d_bil_var_ssse3_loop
jmp .filter_block2d_bil_variance
.filter_block2d_bil_var_ssse3_sp_only:
movsxd rdx, dword ptr arg(6) ; yoffset
cmp rdx, 0 ; Both xoffset =0 and yoffset=0
je .filter_block2d_bil_var_ssse3_full_pixel
shl rdx, 4
lea rdx, [rdx + rcx] ; VFilter
mov rsi, arg(0) ;ref_ptr
mov rdi, arg(2) ;src_ptr
movsxd rcx, dword ptr arg(4) ;Height
movsxd rax, dword ptr arg(1) ;ref_pixels_per_line
movdqu xmm1, XMMWORD PTR [rsi]
movdqa xmm0, xmm1
%if ABI_IS_32BIT=0
movsxd r9, dword ptr arg(3) ;src_pixels_per_line
%endif
lea rsi, [rsi + rax]
.filter_block2d_bil_sp_only_loop:
movdqu xmm3, XMMWORD PTR [rsi]
movdqa xmm2, xmm1
movdqa xmm0, xmm3
punpcklbw xmm1, xmm3
punpckhbw xmm2, xmm3
pmaddubsw xmm1, [rdx]
pmaddubsw xmm2, [rdx]
paddw xmm1, [GLOBAL(xmm_bi_rd)]
paddw xmm2, [GLOBAL(xmm_bi_rd)]
psraw xmm1, xmm_filter_shift
psraw xmm2, xmm_filter_shift
movq xmm3, QWORD PTR [rdi]
pxor xmm4, xmm4
punpcklbw xmm3, xmm4
movq xmm5, QWORD PTR [rdi+8]
punpcklbw xmm5, xmm4
psubw xmm1, xmm3
psubw xmm2, xmm5
paddw xmm6, xmm1
paddw xmm6, xmm2
pmaddwd xmm1, xmm1
pmaddwd xmm2, xmm2
paddd xmm7, xmm1
paddd xmm7, xmm2
movdqa xmm1, xmm0
lea rsi, [rsi + rax] ;ref_pixels_per_line
%if ABI_IS_32BIT
add rdi, dword ptr arg(3) ;src_pixels_per_line
%else
lea rdi, [rdi + r9]
%endif
sub rcx, 1
jnz .filter_block2d_bil_sp_only_loop
jmp .filter_block2d_bil_variance
.filter_block2d_bil_var_ssse3_full_pixel:
mov rsi, arg(0) ;ref_ptr
mov rdi, arg(2) ;src_ptr
movsxd rcx, dword ptr arg(4) ;Height
movsxd rax, dword ptr arg(1) ;ref_pixels_per_line
movsxd rdx, dword ptr arg(3) ;src_pixels_per_line
pxor xmm0, xmm0
.filter_block2d_bil_full_pixel_loop:
movq xmm1, QWORD PTR [rsi]
punpcklbw xmm1, xmm0
movq xmm2, QWORD PTR [rsi+8]
punpcklbw xmm2, xmm0
movq xmm3, QWORD PTR [rdi]
punpcklbw xmm3, xmm0
movq xmm4, QWORD PTR [rdi+8]
punpcklbw xmm4, xmm0
psubw xmm1, xmm3
psubw xmm2, xmm4
paddw xmm6, xmm1
paddw xmm6, xmm2
pmaddwd xmm1, xmm1
pmaddwd xmm2, xmm2
paddd xmm7, xmm1
paddd xmm7, xmm2
lea rsi, [rsi + rax] ;ref_pixels_per_line
lea rdi, [rdi + rdx] ;src_pixels_per_line
sub rcx, 1
jnz .filter_block2d_bil_full_pixel_loop
jmp .filter_block2d_bil_variance
.filter_block2d_bil_var_ssse3_fp_only:
mov rsi, arg(0) ;ref_ptr
mov rdi, arg(2) ;src_ptr
movsxd rcx, dword ptr arg(4) ;Height
movsxd rdx, dword ptr arg(1) ;ref_pixels_per_line
pxor xmm0, xmm0
%if ABI_IS_32BIT=0
movsxd r9, dword ptr arg(3) ;src_pixels_per_line
%endif
.filter_block2d_bil_fp_only_loop:
movdqu xmm1, XMMWORD PTR [rsi]
movdqu xmm2, XMMWORD PTR [rsi+1]
movdqa xmm3, xmm1
punpcklbw xmm1, xmm2
punpckhbw xmm3, xmm2
pmaddubsw xmm1, [rax]
pmaddubsw xmm3, [rax]
paddw xmm1, [GLOBAL(xmm_bi_rd)]
paddw xmm3, [GLOBAL(xmm_bi_rd)]
psraw xmm1, xmm_filter_shift
psraw xmm3, xmm_filter_shift
movq xmm2, XMMWORD PTR [rdi]
pxor xmm4, xmm4
punpcklbw xmm2, xmm4
movq xmm5, QWORD PTR [rdi+8]
punpcklbw xmm5, xmm4
psubw xmm1, xmm2
psubw xmm3, xmm5
paddw xmm6, xmm1
paddw xmm6, xmm3
pmaddwd xmm1, xmm1
pmaddwd xmm3, xmm3
paddd xmm7, xmm1
paddd xmm7, xmm3
lea rsi, [rsi + rdx]
%if ABI_IS_32BIT
add rdi, dword ptr arg(3) ;src_pixels_per_line
%else
lea rdi, [rdi + r9]
%endif
sub rcx, 1
jnz .filter_block2d_bil_fp_only_loop
jmp .filter_block2d_bil_variance
.filter_block2d_bil_variance:
pxor xmm0, xmm0
pxor xmm1, xmm1
pxor xmm5, xmm5
punpcklwd xmm0, xmm6
punpckhwd xmm1, xmm6
psrad xmm0, 16
psrad xmm1, 16
paddd xmm0, xmm1
movdqa xmm1, xmm0
movdqa xmm6, xmm7
punpckldq xmm6, xmm5
punpckhdq xmm7, xmm5
paddd xmm6, xmm7
punpckldq xmm0, xmm5
punpckhdq xmm1, xmm5
paddd xmm0, xmm1
movdqa xmm7, xmm6
movdqa xmm1, xmm0
psrldq xmm7, 8
psrldq xmm1, 8
paddd xmm6, xmm7
paddd xmm0, xmm1
mov rsi, arg(7) ;[Sum]
mov rdi, arg(8) ;[SSE]
movd [rsi], xmm0
movd [rdi], xmm6
; begin epilog
pop rdi
pop rsi
RESTORE_GOT
RESTORE_XMM
UNSHADOW_ARGS
pop rbp
ret
SECTION_RODATA
align 16
xmm_bi_rd:
times 8 dw 64
align 16
vp8_bilinear_filters_ssse3:
times 8 db 128, 0
times 8 db 112, 16
times 8 db 96, 32
times 8 db 80, 48
times 8 db 64, 64
times 8 db 48, 80
times 8 db 32, 96
times 8 db 16, 112