ref: 67aa6c8c23bc6ca90cfde756015f0aae61fe20f7
dir: /vp8/common/x86/subpixel_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"
%define BLOCK_HEIGHT_WIDTH 4
%define VP8_FILTER_WEIGHT 128
%define VP8_FILTER_SHIFT 7
SECTION .text
;/************************************************************************************
; Notes: filter_block1d_h6 applies a 6 tap filter horizontally to the input pixels. The
; input pixel array has output_height rows. This routine assumes that output_height is an
; even number. This function handles 8 pixels in horizontal direction, calculating ONE
; rows each iteration to take advantage of the 128 bits operations.
;*************************************************************************************/
;void vp8_filter_block1d8_h6_sse2
;(
; unsigned char *src_ptr,
; unsigned short *output_ptr,
; unsigned int src_pixels_per_line,
; unsigned int pixel_step,
; unsigned int output_height,
; unsigned int output_width,
; short *vp8_filter
;)
global sym(vp8_filter_block1d8_h6_sse2) PRIVATE
sym(vp8_filter_block1d8_h6_sse2):
push rbp
mov rbp, rsp
SHADOW_ARGS_TO_STACK 7
SAVE_XMM 7
GET_GOT rbx
push rsi
push rdi
; end prolog
mov rdx, arg(6) ;vp8_filter
mov rsi, arg(0) ;src_ptr
mov rdi, arg(1) ;output_ptr
movsxd rcx, dword ptr arg(4) ;output_height
movsxd rax, dword ptr arg(2) ;src_pixels_per_line ; Pitch for Source
%if ABI_IS_32BIT=0
movsxd r8, dword ptr arg(5) ;output_width
%endif
pxor xmm0, xmm0 ; clear xmm0 for unpack
.filter_block1d8_h6_rowloop:
movq xmm3, MMWORD PTR [rsi - 2]
movq xmm1, MMWORD PTR [rsi + 6]
prefetcht2 [rsi+rax-2]
pslldq xmm1, 8
por xmm1, xmm3
movdqa xmm4, xmm1
movdqa xmm5, xmm1
movdqa xmm6, xmm1
movdqa xmm7, xmm1
punpcklbw xmm3, xmm0 ; xx05 xx04 xx03 xx02 xx01 xx01 xx-1 xx-2
psrldq xmm4, 1 ; xx 0d 0c 0b 0a 09 08 07 06 05 04 03 02 01 00 -1
pmullw xmm3, XMMWORD PTR [rdx] ; x[-2] * H[-2]; Tap 1
punpcklbw xmm4, xmm0 ; xx06 xx05 xx04 xx03 xx02 xx01 xx00 xx-1
psrldq xmm5, 2 ; xx xx 0d 0c 0b 0a 09 08 07 06 05 04 03 02 01 00
pmullw xmm4, XMMWORD PTR [rdx+16] ; x[-1] * H[-1]; Tap 2
punpcklbw xmm5, xmm0 ; xx07 xx06 xx05 xx04 xx03 xx02 xx01 xx00
psrldq xmm6, 3 ; xx xx xx 0d 0c 0b 0a 09 08 07 06 05 04 03 02 01
pmullw xmm5, [rdx+32] ; x[ 0] * H[ 0]; Tap 3
punpcklbw xmm6, xmm0 ; xx08 xx07 xx06 xx05 xx04 xx03 xx02 xx01
psrldq xmm7, 4 ; xx xx xx xx 0d 0c 0b 0a 09 08 07 06 05 04 03 02
pmullw xmm6, [rdx+48] ; x[ 1] * h[ 1] ; Tap 4
punpcklbw xmm7, xmm0 ; xx09 xx08 xx07 xx06 xx05 xx04 xx03 xx02
psrldq xmm1, 5 ; xx xx xx xx xx 0d 0c 0b 0a 09 08 07 06 05 04 03
pmullw xmm7, [rdx+64] ; x[ 2] * h[ 2] ; Tap 5
punpcklbw xmm1, xmm0 ; xx0a xx09 xx08 xx07 xx06 xx05 xx04 xx03
pmullw xmm1, [rdx+80] ; x[ 3] * h[ 3] ; Tap 6
paddsw xmm4, xmm7
paddsw xmm4, xmm5
paddsw xmm4, xmm3
paddsw xmm4, xmm6
paddsw xmm4, xmm1
paddsw xmm4, [GLOBAL(rd)]
psraw xmm4, 7
packuswb xmm4, xmm0
punpcklbw xmm4, xmm0
movdqa XMMWORD Ptr [rdi], xmm4
lea rsi, [rsi + rax]
%if ABI_IS_32BIT
add rdi, DWORD Ptr arg(5) ;[output_width]
%else
add rdi, r8
%endif
dec rcx
jnz .filter_block1d8_h6_rowloop ; next row
; begin epilog
pop rdi
pop rsi
RESTORE_GOT
RESTORE_XMM
UNSHADOW_ARGS
pop rbp
ret
;void vp8_filter_block1d16_h6_sse2
;(
; unsigned char *src_ptr,
; unsigned short *output_ptr,
; unsigned int src_pixels_per_line,
; unsigned int pixel_step,
; unsigned int output_height,
; unsigned int output_width,
; short *vp8_filter
;)
;/************************************************************************************
; Notes: filter_block1d_h6 applies a 6 tap filter horizontally to the input pixels. The
; input pixel array has output_height rows. This routine assumes that output_height is an
; even number. This function handles 8 pixels in horizontal direction, calculating ONE
; rows each iteration to take advantage of the 128 bits operations.
;*************************************************************************************/
global sym(vp8_filter_block1d16_h6_sse2) PRIVATE
sym(vp8_filter_block1d16_h6_sse2):
push rbp
mov rbp, rsp
SHADOW_ARGS_TO_STACK 7
SAVE_XMM 7
GET_GOT rbx
push rsi
push rdi
; end prolog
mov rdx, arg(6) ;vp8_filter
mov rsi, arg(0) ;src_ptr
mov rdi, arg(1) ;output_ptr
movsxd rcx, dword ptr arg(4) ;output_height
movsxd rax, dword ptr arg(2) ;src_pixels_per_line ; Pitch for Source
%if ABI_IS_32BIT=0
movsxd r8, dword ptr arg(5) ;output_width
%endif
pxor xmm0, xmm0 ; clear xmm0 for unpack
.filter_block1d16_h6_sse2_rowloop:
movq xmm3, MMWORD PTR [rsi - 2]
movq xmm1, MMWORD PTR [rsi + 6]
; Load from 11 to avoid reading out of bounds.
movq xmm2, MMWORD PTR [rsi +11]
; The lower bits are not cleared before 'or'ing with xmm1,
; but that is OK because the values in the overlapping positions
; are already equal to the ones in xmm1.
pslldq xmm2, 5
por xmm2, xmm1
prefetcht2 [rsi+rax-2]
pslldq xmm1, 8
por xmm1, xmm3
movdqa xmm4, xmm1
movdqa xmm5, xmm1
movdqa xmm6, xmm1
movdqa xmm7, xmm1
punpcklbw xmm3, xmm0 ; xx05 xx04 xx03 xx02 xx01 xx01 xx-1 xx-2
psrldq xmm4, 1 ; xx 0d 0c 0b 0a 09 08 07 06 05 04 03 02 01 00 -1
pmullw xmm3, XMMWORD PTR [rdx] ; x[-2] * H[-2]; Tap 1
punpcklbw xmm4, xmm0 ; xx06 xx05 xx04 xx03 xx02 xx01 xx00 xx-1
psrldq xmm5, 2 ; xx xx 0d 0c 0b 0a 09 08 07 06 05 04 03 02 01 00
pmullw xmm4, XMMWORD PTR [rdx+16] ; x[-1] * H[-1]; Tap 2
punpcklbw xmm5, xmm0 ; xx07 xx06 xx05 xx04 xx03 xx02 xx01 xx00
psrldq xmm6, 3 ; xx xx xx 0d 0c 0b 0a 09 08 07 06 05 04 03 02 01
pmullw xmm5, [rdx+32] ; x[ 0] * H[ 0]; Tap 3
punpcklbw xmm6, xmm0 ; xx08 xx07 xx06 xx05 xx04 xx03 xx02 xx01
psrldq xmm7, 4 ; xx xx xx xx 0d 0c 0b 0a 09 08 07 06 05 04 03 02
pmullw xmm6, [rdx+48] ; x[ 1] * h[ 1] ; Tap 4
punpcklbw xmm7, xmm0 ; xx09 xx08 xx07 xx06 xx05 xx04 xx03 xx02
psrldq xmm1, 5 ; xx xx xx xx xx 0d 0c 0b 0a 09 08 07 06 05 04 03
pmullw xmm7, [rdx+64] ; x[ 2] * h[ 2] ; Tap 5
punpcklbw xmm1, xmm0 ; xx0a xx09 xx08 xx07 xx06 xx05 xx04 xx03
pmullw xmm1, [rdx+80] ; x[ 3] * h[ 3] ; Tap 6
paddsw xmm4, xmm7
paddsw xmm4, xmm5
paddsw xmm4, xmm3
paddsw xmm4, xmm6
paddsw xmm4, xmm1
paddsw xmm4, [GLOBAL(rd)]
psraw xmm4, 7
packuswb xmm4, xmm0
punpcklbw xmm4, xmm0
movdqa XMMWORD Ptr [rdi], xmm4
movdqa xmm3, xmm2
movdqa xmm4, xmm2
movdqa xmm5, xmm2
movdqa xmm6, xmm2
movdqa xmm7, xmm2
punpcklbw xmm3, xmm0 ; xx05 xx04 xx03 xx02 xx01 xx01 xx-1 xx-2
psrldq xmm4, 1 ; xx 0d 0c 0b 0a 09 08 07 06 05 04 03 02 01 00 -1
pmullw xmm3, XMMWORD PTR [rdx] ; x[-2] * H[-2]; Tap 1
punpcklbw xmm4, xmm0 ; xx06 xx05 xx04 xx03 xx02 xx01 xx00 xx-1
psrldq xmm5, 2 ; xx xx 0d 0c 0b 0a 09 08 07 06 05 04 03 02 01 00
pmullw xmm4, XMMWORD PTR [rdx+16] ; x[-1] * H[-1]; Tap 2
punpcklbw xmm5, xmm0 ; xx07 xx06 xx05 xx04 xx03 xx02 xx01 xx00
psrldq xmm6, 3 ; xx xx xx 0d 0c 0b 0a 09 08 07 06 05 04 03 02 01
pmullw xmm5, [rdx+32] ; x[ 0] * H[ 0]; Tap 3
punpcklbw xmm6, xmm0 ; xx08 xx07 xx06 xx05 xx04 xx03 xx02 xx01
psrldq xmm7, 4 ; xx xx xx xx 0d 0c 0b 0a 09 08 07 06 05 04 03 02
pmullw xmm6, [rdx+48] ; x[ 1] * h[ 1] ; Tap 4
punpcklbw xmm7, xmm0 ; xx09 xx08 xx07 xx06 xx05 xx04 xx03 xx02
psrldq xmm2, 5 ; xx xx xx xx xx 0d 0c 0b 0a 09 08 07 06 05 04 03
pmullw xmm7, [rdx+64] ; x[ 2] * h[ 2] ; Tap 5
punpcklbw xmm2, xmm0 ; xx0a xx09 xx08 xx07 xx06 xx05 xx04 xx03
pmullw xmm2, [rdx+80] ; x[ 3] * h[ 3] ; Tap 6
paddsw xmm4, xmm7
paddsw xmm4, xmm5
paddsw xmm4, xmm3
paddsw xmm4, xmm6
paddsw xmm4, xmm2
paddsw xmm4, [GLOBAL(rd)]
psraw xmm4, 7
packuswb xmm4, xmm0
punpcklbw xmm4, xmm0
movdqa XMMWORD Ptr [rdi+16], xmm4
lea rsi, [rsi + rax]
%if ABI_IS_32BIT
add rdi, DWORD Ptr arg(5) ;[output_width]
%else
add rdi, r8
%endif
dec rcx
jnz .filter_block1d16_h6_sse2_rowloop ; next row
; begin epilog
pop rdi
pop rsi
RESTORE_GOT
RESTORE_XMM
UNSHADOW_ARGS
pop rbp
ret
;void vp8_filter_block1d8_v6_sse2
;(
; short *src_ptr,
; unsigned char *output_ptr,
; int dst_ptich,
; unsigned int pixels_per_line,
; unsigned int pixel_step,
; unsigned int output_height,
; unsigned int output_width,
; short * vp8_filter
;)
;/************************************************************************************
; Notes: filter_block1d8_v6 applies a 6 tap filter vertically to the input pixels. The
; input pixel array has output_height rows.
;*************************************************************************************/
global sym(vp8_filter_block1d8_v6_sse2) PRIVATE
sym(vp8_filter_block1d8_v6_sse2):
push rbp
mov rbp, rsp
SHADOW_ARGS_TO_STACK 8
SAVE_XMM 7
GET_GOT rbx
push rsi
push rdi
; end prolog
mov rax, arg(7) ;vp8_filter
movsxd rdx, dword ptr arg(3) ;pixels_per_line
mov rdi, arg(1) ;output_ptr
mov rsi, arg(0) ;src_ptr
sub rsi, rdx
sub rsi, rdx
movsxd rcx, DWORD PTR arg(5) ;[output_height]
pxor xmm0, xmm0 ; clear xmm0
movdqa xmm7, XMMWORD PTR [GLOBAL(rd)]
%if ABI_IS_32BIT=0
movsxd r8, dword ptr arg(2) ; dst_ptich
%endif
.vp8_filter_block1d8_v6_sse2_loop:
movdqa xmm1, XMMWORD PTR [rsi]
pmullw xmm1, [rax]
movdqa xmm2, XMMWORD PTR [rsi + rdx]
pmullw xmm2, [rax + 16]
movdqa xmm3, XMMWORD PTR [rsi + rdx * 2]
pmullw xmm3, [rax + 32]
movdqa xmm5, XMMWORD PTR [rsi + rdx * 4]
pmullw xmm5, [rax + 64]
add rsi, rdx
movdqa xmm4, XMMWORD PTR [rsi + rdx * 2]
pmullw xmm4, [rax + 48]
movdqa xmm6, XMMWORD PTR [rsi + rdx * 4]
pmullw xmm6, [rax + 80]
paddsw xmm2, xmm5
paddsw xmm2, xmm3
paddsw xmm2, xmm1
paddsw xmm2, xmm4
paddsw xmm2, xmm6
paddsw xmm2, xmm7
psraw xmm2, 7
packuswb xmm2, xmm0 ; pack and saturate
movq QWORD PTR [rdi], xmm2 ; store the results in the destination
%if ABI_IS_32BIT
add rdi, DWORD PTR arg(2) ;[dst_ptich]
%else
add rdi, r8
%endif
dec rcx ; decrement count
jnz .vp8_filter_block1d8_v6_sse2_loop ; next row
; begin epilog
pop rdi
pop rsi
RESTORE_GOT
RESTORE_XMM
UNSHADOW_ARGS
pop rbp
ret
;void vp8_filter_block1d16_v6_sse2
;(
; unsigned short *src_ptr,
; unsigned char *output_ptr,
; int dst_ptich,
; unsigned int pixels_per_line,
; unsigned int pixel_step,
; unsigned int output_height,
; unsigned int output_width,
; const short *vp8_filter
;)
;/************************************************************************************
; Notes: filter_block1d16_v6 applies a 6 tap filter vertically to the input pixels. The
; input pixel array has output_height rows.
;*************************************************************************************/
global sym(vp8_filter_block1d16_v6_sse2) PRIVATE
sym(vp8_filter_block1d16_v6_sse2):
push rbp
mov rbp, rsp
SHADOW_ARGS_TO_STACK 8
SAVE_XMM 7
GET_GOT rbx
push rsi
push rdi
; end prolog
mov rax, arg(7) ;vp8_filter
movsxd rdx, dword ptr arg(3) ;pixels_per_line
mov rdi, arg(1) ;output_ptr
mov rsi, arg(0) ;src_ptr
sub rsi, rdx
sub rsi, rdx
movsxd rcx, DWORD PTR arg(5) ;[output_height]
%if ABI_IS_32BIT=0
movsxd r8, dword ptr arg(2) ; dst_ptich
%endif
.vp8_filter_block1d16_v6_sse2_loop:
; The order for adding 6-tap is 2 5 3 1 4 6. Read in data in that order.
movdqa xmm1, XMMWORD PTR [rsi + rdx] ; line 2
movdqa xmm2, XMMWORD PTR [rsi + rdx + 16]
pmullw xmm1, [rax + 16]
pmullw xmm2, [rax + 16]
movdqa xmm3, XMMWORD PTR [rsi + rdx * 4] ; line 5
movdqa xmm4, XMMWORD PTR [rsi + rdx * 4 + 16]
pmullw xmm3, [rax + 64]
pmullw xmm4, [rax + 64]
movdqa xmm5, XMMWORD PTR [rsi + rdx * 2] ; line 3
movdqa xmm6, XMMWORD PTR [rsi + rdx * 2 + 16]
pmullw xmm5, [rax + 32]
pmullw xmm6, [rax + 32]
movdqa xmm7, XMMWORD PTR [rsi] ; line 1
movdqa xmm0, XMMWORD PTR [rsi + 16]
pmullw xmm7, [rax]
pmullw xmm0, [rax]
paddsw xmm1, xmm3
paddsw xmm2, xmm4
paddsw xmm1, xmm5
paddsw xmm2, xmm6
paddsw xmm1, xmm7
paddsw xmm2, xmm0
add rsi, rdx
movdqa xmm3, XMMWORD PTR [rsi + rdx * 2] ; line 4
movdqa xmm4, XMMWORD PTR [rsi + rdx * 2 + 16]
pmullw xmm3, [rax + 48]
pmullw xmm4, [rax + 48]
movdqa xmm5, XMMWORD PTR [rsi + rdx * 4] ; line 6
movdqa xmm6, XMMWORD PTR [rsi + rdx * 4 + 16]
pmullw xmm5, [rax + 80]
pmullw xmm6, [rax + 80]
movdqa xmm7, XMMWORD PTR [GLOBAL(rd)]
pxor xmm0, xmm0 ; clear xmm0
paddsw xmm1, xmm3
paddsw xmm2, xmm4
paddsw xmm1, xmm5
paddsw xmm2, xmm6
paddsw xmm1, xmm7
paddsw xmm2, xmm7
psraw xmm1, 7
psraw xmm2, 7
packuswb xmm1, xmm2 ; pack and saturate
movdqa XMMWORD PTR [rdi], xmm1 ; store the results in the destination
%if ABI_IS_32BIT
add rdi, DWORD PTR arg(2) ;[dst_ptich]
%else
add rdi, r8
%endif
dec rcx ; decrement count
jnz .vp8_filter_block1d16_v6_sse2_loop ; next row
; begin epilog
pop rdi
pop rsi
RESTORE_GOT
RESTORE_XMM
UNSHADOW_ARGS
pop rbp
ret
;void vp8_filter_block1d8_h6_only_sse2
;(
; unsigned char *src_ptr,
; unsigned int src_pixels_per_line,
; unsigned char *output_ptr,
; int dst_ptich,
; unsigned int output_height,
; const short *vp8_filter
;)
; First-pass filter only when yoffset==0
global sym(vp8_filter_block1d8_h6_only_sse2) PRIVATE
sym(vp8_filter_block1d8_h6_only_sse2):
push rbp
mov rbp, rsp
SHADOW_ARGS_TO_STACK 6
SAVE_XMM 7
GET_GOT rbx
push rsi
push rdi
; end prolog
mov rdx, arg(5) ;vp8_filter
mov rsi, arg(0) ;src_ptr
mov rdi, arg(2) ;output_ptr
movsxd rcx, dword ptr arg(4) ;output_height
movsxd rax, dword ptr arg(1) ;src_pixels_per_line ; Pitch for Source
%if ABI_IS_32BIT=0
movsxd r8, dword ptr arg(3) ;dst_ptich
%endif
pxor xmm0, xmm0 ; clear xmm0 for unpack
.filter_block1d8_h6_only_rowloop:
movq xmm3, MMWORD PTR [rsi - 2]
movq xmm1, MMWORD PTR [rsi + 6]
prefetcht2 [rsi+rax-2]
pslldq xmm1, 8
por xmm1, xmm3
movdqa xmm4, xmm1
movdqa xmm5, xmm1
movdqa xmm6, xmm1
movdqa xmm7, xmm1
punpcklbw xmm3, xmm0 ; xx05 xx04 xx03 xx02 xx01 xx01 xx-1 xx-2
psrldq xmm4, 1 ; xx 0d 0c 0b 0a 09 08 07 06 05 04 03 02 01 00 -1
pmullw xmm3, XMMWORD PTR [rdx] ; x[-2] * H[-2]; Tap 1
punpcklbw xmm4, xmm0 ; xx06 xx05 xx04 xx03 xx02 xx01 xx00 xx-1
psrldq xmm5, 2 ; xx xx 0d 0c 0b 0a 09 08 07 06 05 04 03 02 01 00
pmullw xmm4, XMMWORD PTR [rdx+16] ; x[-1] * H[-1]; Tap 2
punpcklbw xmm5, xmm0 ; xx07 xx06 xx05 xx04 xx03 xx02 xx01 xx00
psrldq xmm6, 3 ; xx xx xx 0d 0c 0b 0a 09 08 07 06 05 04 03 02 01
pmullw xmm5, [rdx+32] ; x[ 0] * H[ 0]; Tap 3
punpcklbw xmm6, xmm0 ; xx08 xx07 xx06 xx05 xx04 xx03 xx02 xx01
psrldq xmm7, 4 ; xx xx xx xx 0d 0c 0b 0a 09 08 07 06 05 04 03 02
pmullw xmm6, [rdx+48] ; x[ 1] * h[ 1] ; Tap 4
punpcklbw xmm7, xmm0 ; xx09 xx08 xx07 xx06 xx05 xx04 xx03 xx02
psrldq xmm1, 5 ; xx xx xx xx xx 0d 0c 0b 0a 09 08 07 06 05 04 03
pmullw xmm7, [rdx+64] ; x[ 2] * h[ 2] ; Tap 5
punpcklbw xmm1, xmm0 ; xx0a xx09 xx08 xx07 xx06 xx05 xx04 xx03
pmullw xmm1, [rdx+80] ; x[ 3] * h[ 3] ; Tap 6
paddsw xmm4, xmm7
paddsw xmm4, xmm5
paddsw xmm4, xmm3
paddsw xmm4, xmm6
paddsw xmm4, xmm1
paddsw xmm4, [GLOBAL(rd)]
psraw xmm4, 7
packuswb xmm4, xmm0
movq QWORD PTR [rdi], xmm4 ; store the results in the destination
lea rsi, [rsi + rax]
%if ABI_IS_32BIT
add rdi, DWORD Ptr arg(3) ;dst_ptich
%else
add rdi, r8
%endif
dec rcx
jnz .filter_block1d8_h6_only_rowloop ; next row
; begin epilog
pop rdi
pop rsi
RESTORE_GOT
RESTORE_XMM
UNSHADOW_ARGS
pop rbp
ret
;void vp8_filter_block1d16_h6_only_sse2
;(
; unsigned char *src_ptr,
; unsigned int src_pixels_per_line,
; unsigned char *output_ptr,
; int dst_ptich,
; unsigned int output_height,
; const short *vp8_filter
;)
; First-pass filter only when yoffset==0
global sym(vp8_filter_block1d16_h6_only_sse2) PRIVATE
sym(vp8_filter_block1d16_h6_only_sse2):
push rbp
mov rbp, rsp
SHADOW_ARGS_TO_STACK 6
SAVE_XMM 7
GET_GOT rbx
push rsi
push rdi
; end prolog
mov rdx, arg(5) ;vp8_filter
mov rsi, arg(0) ;src_ptr
mov rdi, arg(2) ;output_ptr
movsxd rcx, dword ptr arg(4) ;output_height
movsxd rax, dword ptr arg(1) ;src_pixels_per_line ; Pitch for Source
%if ABI_IS_32BIT=0
movsxd r8, dword ptr arg(3) ;dst_ptich
%endif
pxor xmm0, xmm0 ; clear xmm0 for unpack
.filter_block1d16_h6_only_sse2_rowloop:
movq xmm3, MMWORD PTR [rsi - 2]
movq xmm1, MMWORD PTR [rsi + 6]
movq xmm2, MMWORD PTR [rsi +14]
pslldq xmm2, 8
por xmm2, xmm1
prefetcht2 [rsi+rax-2]
pslldq xmm1, 8
por xmm1, xmm3
movdqa xmm4, xmm1
movdqa xmm5, xmm1
movdqa xmm6, xmm1
movdqa xmm7, xmm1
punpcklbw xmm3, xmm0 ; xx05 xx04 xx03 xx02 xx01 xx01 xx-1 xx-2
psrldq xmm4, 1 ; xx 0d 0c 0b 0a 09 08 07 06 05 04 03 02 01 00 -1
pmullw xmm3, XMMWORD PTR [rdx] ; x[-2] * H[-2]; Tap 1
punpcklbw xmm4, xmm0 ; xx06 xx05 xx04 xx03 xx02 xx01 xx00 xx-1
psrldq xmm5, 2 ; xx xx 0d 0c 0b 0a 09 08 07 06 05 04 03 02 01 00
pmullw xmm4, XMMWORD PTR [rdx+16] ; x[-1] * H[-1]; Tap 2
punpcklbw xmm5, xmm0 ; xx07 xx06 xx05 xx04 xx03 xx02 xx01 xx00
psrldq xmm6, 3 ; xx xx xx 0d 0c 0b 0a 09 08 07 06 05 04 03 02 01
pmullw xmm5, [rdx+32] ; x[ 0] * H[ 0]; Tap 3
punpcklbw xmm6, xmm0 ; xx08 xx07 xx06 xx05 xx04 xx03 xx02 xx01
psrldq xmm7, 4 ; xx xx xx xx 0d 0c 0b 0a 09 08 07 06 05 04 03 02
pmullw xmm6, [rdx+48] ; x[ 1] * h[ 1] ; Tap 4
punpcklbw xmm7, xmm0 ; xx09 xx08 xx07 xx06 xx05 xx04 xx03 xx02
psrldq xmm1, 5 ; xx xx xx xx xx 0d 0c 0b 0a 09 08 07 06 05 04 03
pmullw xmm7, [rdx+64] ; x[ 2] * h[ 2] ; Tap 5
punpcklbw xmm1, xmm0 ; xx0a xx09 xx08 xx07 xx06 xx05 xx04 xx03
pmullw xmm1, [rdx+80] ; x[ 3] * h[ 3] ; Tap 6
paddsw xmm4, xmm7
paddsw xmm4, xmm5
paddsw xmm4, xmm3
paddsw xmm4, xmm6
paddsw xmm4, xmm1
paddsw xmm4, [GLOBAL(rd)]
psraw xmm4, 7
packuswb xmm4, xmm0 ; lower 8 bytes
movq QWORD Ptr [rdi], xmm4 ; store the results in the destination
movdqa xmm3, xmm2
movdqa xmm4, xmm2
movdqa xmm5, xmm2
movdqa xmm6, xmm2
movdqa xmm7, xmm2
punpcklbw xmm3, xmm0 ; xx05 xx04 xx03 xx02 xx01 xx01 xx-1 xx-2
psrldq xmm4, 1 ; xx 0d 0c 0b 0a 09 08 07 06 05 04 03 02 01 00 -1
pmullw xmm3, XMMWORD PTR [rdx] ; x[-2] * H[-2]; Tap 1
punpcklbw xmm4, xmm0 ; xx06 xx05 xx04 xx03 xx02 xx01 xx00 xx-1
psrldq xmm5, 2 ; xx xx 0d 0c 0b 0a 09 08 07 06 05 04 03 02 01 00
pmullw xmm4, XMMWORD PTR [rdx+16] ; x[-1] * H[-1]; Tap 2
punpcklbw xmm5, xmm0 ; xx07 xx06 xx05 xx04 xx03 xx02 xx01 xx00
psrldq xmm6, 3 ; xx xx xx 0d 0c 0b 0a 09 08 07 06 05 04 03 02 01
pmullw xmm5, [rdx+32] ; x[ 0] * H[ 0]; Tap 3
punpcklbw xmm6, xmm0 ; xx08 xx07 xx06 xx05 xx04 xx03 xx02 xx01
psrldq xmm7, 4 ; xx xx xx xx 0d 0c 0b 0a 09 08 07 06 05 04 03 02
pmullw xmm6, [rdx+48] ; x[ 1] * h[ 1] ; Tap 4
punpcklbw xmm7, xmm0 ; xx09 xx08 xx07 xx06 xx05 xx04 xx03 xx02
psrldq xmm2, 5 ; xx xx xx xx xx 0d 0c 0b 0a 09 08 07 06 05 04 03
pmullw xmm7, [rdx+64] ; x[ 2] * h[ 2] ; Tap 5
punpcklbw xmm2, xmm0 ; xx0a xx09 xx08 xx07 xx06 xx05 xx04 xx03
pmullw xmm2, [rdx+80] ; x[ 3] * h[ 3] ; Tap 6
paddsw xmm4, xmm7
paddsw xmm4, xmm5
paddsw xmm4, xmm3
paddsw xmm4, xmm6
paddsw xmm4, xmm2
paddsw xmm4, [GLOBAL(rd)]
psraw xmm4, 7
packuswb xmm4, xmm0 ; higher 8 bytes
movq QWORD Ptr [rdi+8], xmm4 ; store the results in the destination
lea rsi, [rsi + rax]
%if ABI_IS_32BIT
add rdi, DWORD Ptr arg(3) ;dst_ptich
%else
add rdi, r8
%endif
dec rcx
jnz .filter_block1d16_h6_only_sse2_rowloop ; next row
; begin epilog
pop rdi
pop rsi
RESTORE_GOT
RESTORE_XMM
UNSHADOW_ARGS
pop rbp
ret
;void vp8_filter_block1d8_v6_only_sse2
;(
; unsigned char *src_ptr,
; unsigned int src_pixels_per_line,
; unsigned char *output_ptr,
; int dst_ptich,
; unsigned int output_height,
; const short *vp8_filter
;)
; Second-pass filter only when xoffset==0
global sym(vp8_filter_block1d8_v6_only_sse2) PRIVATE
sym(vp8_filter_block1d8_v6_only_sse2):
push rbp
mov rbp, rsp
SHADOW_ARGS_TO_STACK 6
SAVE_XMM 7
GET_GOT rbx
push rsi
push rdi
; end prolog
mov rsi, arg(0) ;src_ptr
mov rdi, arg(2) ;output_ptr
movsxd rcx, dword ptr arg(4) ;output_height
movsxd rdx, dword ptr arg(1) ;src_pixels_per_line
mov rax, arg(5) ;vp8_filter
pxor xmm0, xmm0 ; clear xmm0
movdqa xmm7, XMMWORD PTR [GLOBAL(rd)]
%if ABI_IS_32BIT=0
movsxd r8, dword ptr arg(3) ; dst_ptich
%endif
.vp8_filter_block1d8_v6_only_sse2_loop:
movq xmm1, MMWORD PTR [rsi]
movq xmm2, MMWORD PTR [rsi + rdx]
movq xmm3, MMWORD PTR [rsi + rdx * 2]
movq xmm5, MMWORD PTR [rsi + rdx * 4]
add rsi, rdx
movq xmm4, MMWORD PTR [rsi + rdx * 2]
movq xmm6, MMWORD PTR [rsi + rdx * 4]
punpcklbw xmm1, xmm0
pmullw xmm1, [rax]
punpcklbw xmm2, xmm0
pmullw xmm2, [rax + 16]
punpcklbw xmm3, xmm0
pmullw xmm3, [rax + 32]
punpcklbw xmm5, xmm0
pmullw xmm5, [rax + 64]
punpcklbw xmm4, xmm0
pmullw xmm4, [rax + 48]
punpcklbw xmm6, xmm0
pmullw xmm6, [rax + 80]
paddsw xmm2, xmm5
paddsw xmm2, xmm3
paddsw xmm2, xmm1
paddsw xmm2, xmm4
paddsw xmm2, xmm6
paddsw xmm2, xmm7
psraw xmm2, 7
packuswb xmm2, xmm0 ; pack and saturate
movq QWORD PTR [rdi], xmm2 ; store the results in the destination
%if ABI_IS_32BIT
add rdi, DWORD PTR arg(3) ;[dst_ptich]
%else
add rdi, r8
%endif
dec rcx ; decrement count
jnz .vp8_filter_block1d8_v6_only_sse2_loop ; next row
; begin epilog
pop rdi
pop rsi
RESTORE_GOT
RESTORE_XMM
UNSHADOW_ARGS
pop rbp
ret
;void vp8_unpack_block1d16_h6_sse2
;(
; unsigned char *src_ptr,
; unsigned short *output_ptr,
; unsigned int src_pixels_per_line,
; unsigned int output_height,
; unsigned int output_width
;)
global sym(vp8_unpack_block1d16_h6_sse2) PRIVATE
sym(vp8_unpack_block1d16_h6_sse2):
push rbp
mov rbp, rsp
SHADOW_ARGS_TO_STACK 5
GET_GOT rbx
push rsi
push rdi
; end prolog
mov rsi, arg(0) ;src_ptr
mov rdi, arg(1) ;output_ptr
movsxd rcx, dword ptr arg(3) ;output_height
movsxd rax, dword ptr arg(2) ;src_pixels_per_line ; Pitch for Source
pxor xmm0, xmm0 ; clear xmm0 for unpack
%if ABI_IS_32BIT=0
movsxd r8, dword ptr arg(4) ;output_width ; Pitch for Source
%endif
.unpack_block1d16_h6_sse2_rowloop:
movq xmm1, MMWORD PTR [rsi] ; 0d 0c 0b 0a 09 08 07 06 05 04 03 02 01 00 -1 -2
movq xmm3, MMWORD PTR [rsi+8] ; make copy of xmm1
punpcklbw xmm3, xmm0 ; xx05 xx04 xx03 xx02 xx01 xx01 xx-1 xx-2
punpcklbw xmm1, xmm0
movdqa XMMWORD Ptr [rdi], xmm1
movdqa XMMWORD Ptr [rdi + 16], xmm3
lea rsi, [rsi + rax]
%if ABI_IS_32BIT
add rdi, DWORD Ptr arg(4) ;[output_width]
%else
add rdi, r8
%endif
dec rcx
jnz .unpack_block1d16_h6_sse2_rowloop ; next row
; begin epilog
pop rdi
pop rsi
RESTORE_GOT
UNSHADOW_ARGS
pop rbp
ret
SECTION_RODATA
align 16
rd:
times 8 dw 0x40