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|
;
; 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_half_horiz_vert_variance16x_h_sse2
;(
; unsigned char *ref_ptr,
; int ref_pixels_per_line,
; unsigned char *src_ptr,
; int src_pixels_per_line,
; unsigned int Height,
; int *sum,
; unsigned int *sumsquared
;)
global sym(vp9_half_horiz_vert_variance16x_h_sse2) PRIVATE
sym(vp9_half_horiz_vert_variance16x_h_sse2):
push rbp
mov rbp, rsp
SHADOW_ARGS_TO_STACK 7
SAVE_XMM 7
GET_GOT rbx
push rsi
push rdi
; end prolog
pxor xmm6, xmm6 ; error accumulator
pxor xmm7, xmm7 ; sse eaccumulator
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 ;
movdqu xmm5, XMMWORD PTR [rsi]
movdqu xmm3, XMMWORD PTR [rsi+1]
pavgb xmm5, xmm3 ; xmm5 = avg(xmm1,xmm3) horizontal line 1
lea rsi, [rsi + rax]
.half_horiz_vert_variance16x_h_1:
movdqu xmm1, XMMWORD PTR [rsi] ;
movdqu xmm2, XMMWORD PTR [rsi+1] ;
pavgb xmm1, xmm2 ; xmm1 = avg(xmm1,xmm3) horizontal line i+1
pavgb xmm5, xmm1 ; xmm = vertical average of the above
movdqa xmm4, xmm5
punpcklbw xmm5, xmm0 ; xmm5 = words of above
punpckhbw xmm4, xmm0
movq xmm3, QWORD PTR [rdi] ; xmm3 = d0,d1,d2..d7
punpcklbw xmm3, xmm0 ; xmm3 = words of above
psubw xmm5, xmm3 ; xmm5 -= xmm3
movq xmm3, QWORD PTR [rdi+8]
punpcklbw xmm3, xmm0
psubw xmm4, xmm3
paddw xmm6, xmm5 ; xmm6 += accumulated column differences
paddw xmm6, xmm4
pmaddwd xmm5, xmm5 ; xmm5 *= xmm5
pmaddwd xmm4, xmm4
paddd xmm7, xmm5 ; xmm7 += accumulated square column differences
paddd xmm7, xmm4
movdqa xmm5, xmm1 ; save xmm1 for use on the next row
lea rsi, [rsi + rax]
lea rdi, [rdi + rdx]
sub rcx, 1 ;
jnz .half_horiz_vert_variance16x_h_1 ;
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(5) ;[Sum]
mov rdi, arg(6) ;[SSE]
movd [rsi], xmm0
movd [rdi], xmm6
; begin epilog
pop rdi
pop rsi
RESTORE_GOT
RESTORE_XMM
UNSHADOW_ARGS
pop rbp
ret
;void vp9_half_vert_variance16x_h_sse2
;(
; unsigned char *ref_ptr,
; int ref_pixels_per_line,
; unsigned char *src_ptr,
; int src_pixels_per_line,
; unsigned int Height,
; int *sum,
; unsigned int *sumsquared
;)
global sym(vp9_half_vert_variance16x_h_sse2) PRIVATE
sym(vp9_half_vert_variance16x_h_sse2):
push rbp
mov rbp, rsp
SHADOW_ARGS_TO_STACK 7
SAVE_XMM 7
GET_GOT rbx
push rsi
push rdi
; end prolog
pxor xmm6, xmm6 ; error accumulator
pxor xmm7, xmm7 ; sse eaccumulator
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
movdqu xmm5, XMMWORD PTR [rsi]
lea rsi, [rsi + rax ]
pxor xmm0, xmm0
.half_vert_variance16x_h_1:
movdqu xmm3, XMMWORD PTR [rsi]
pavgb xmm5, xmm3 ; xmm5 = avg(xmm1,xmm3)
movdqa xmm4, xmm5
punpcklbw xmm5, xmm0
punpckhbw xmm4, xmm0
movq xmm2, QWORD PTR [rdi]
punpcklbw xmm2, xmm0
psubw xmm5, xmm2
movq xmm2, QWORD PTR [rdi+8]
punpcklbw xmm2, xmm0
psubw xmm4, xmm2
paddw xmm6, xmm5 ; xmm6 += accumulated column differences
paddw xmm6, xmm4
pmaddwd xmm5, xmm5 ; xmm5 *= xmm5
pmaddwd xmm4, xmm4
paddd xmm7, xmm5 ; xmm7 += accumulated square column differences
paddd xmm7, xmm4
movdqa xmm5, xmm3
lea rsi, [rsi + rax]
lea rdi, [rdi + rdx]
sub rcx, 1
jnz .half_vert_variance16x_h_1
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(5) ;[Sum]
mov rdi, arg(6) ;[SSE]
movd [rsi], xmm0
movd [rdi], xmm6
; begin epilog
pop rdi
pop rsi
RESTORE_GOT
RESTORE_XMM
UNSHADOW_ARGS
pop rbp
ret
;void vp9_half_horiz_variance16x_h_sse2
;(
; unsigned char *ref_ptr,
; int ref_pixels_per_line,
; unsigned char *src_ptr,
; int src_pixels_per_line,
; unsigned int Height,
; int *sum,
; unsigned int *sumsquared
;)
global sym(vp9_half_horiz_variance16x_h_sse2) PRIVATE
sym(vp9_half_horiz_variance16x_h_sse2):
push rbp
mov rbp, rsp
SHADOW_ARGS_TO_STACK 7
SAVE_XMM 7
GET_GOT rbx
push rsi
push rdi
; end prolog
pxor xmm6, xmm6 ; error accumulator
pxor xmm7, xmm7 ; sse eaccumulator
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 ;
.half_horiz_variance16x_h_1:
movdqu xmm5, XMMWORD PTR [rsi] ; xmm5 = s0,s1,s2..s15
movdqu xmm3, XMMWORD PTR [rsi+1] ; xmm3 = s1,s2,s3..s16
pavgb xmm5, xmm3 ; xmm5 = avg(xmm1,xmm3)
movdqa xmm1, xmm5
punpcklbw xmm5, xmm0 ; xmm5 = words of above
punpckhbw xmm1, xmm0
movq xmm3, QWORD PTR [rdi] ; xmm3 = d0,d1,d2..d7
punpcklbw xmm3, xmm0 ; xmm3 = words of above
movq xmm2, QWORD PTR [rdi+8]
punpcklbw xmm2, xmm0
psubw xmm5, xmm3 ; xmm5 -= xmm3
psubw xmm1, xmm2
paddw xmm6, xmm5 ; xmm6 += accumulated column differences
paddw xmm6, xmm1
pmaddwd xmm5, xmm5 ; xmm5 *= xmm5
pmaddwd xmm1, xmm1
paddd xmm7, xmm5 ; xmm7 += accumulated square column differences
paddd xmm7, xmm1
lea rsi, [rsi + rax]
lea rdi, [rdi + rdx]
sub rcx, 1 ;
jnz .half_horiz_variance16x_h_1 ;
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(5) ;[Sum]
mov rdi, arg(6) ;[SSE]
movd [rsi], xmm0
movd [rdi], xmm6
; begin epilog
pop rdi
pop rsi
RESTORE_GOT
RESTORE_XMM
UNSHADOW_ARGS
pop rbp
ret
|
