diff options
Diffstat (limited to 'media/libvpx/vp8/common/x86/subpixel_sse2.asm')
-rw-r--r-- | media/libvpx/vp8/common/x86/subpixel_sse2.asm | 1372 |
1 files changed, 1372 insertions, 0 deletions
diff --git a/media/libvpx/vp8/common/x86/subpixel_sse2.asm b/media/libvpx/vp8/common/x86/subpixel_sse2.asm new file mode 100644 index 000000000..69f8d103c --- /dev/null +++ b/media/libvpx/vp8/common/x86/subpixel_sse2.asm @@ -0,0 +1,1372 @@ +; +; 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" +extern sym(vp8_bilinear_filters_x86_8) + +%define BLOCK_HEIGHT_WIDTH 4 +%define VP8_FILTER_WEIGHT 128 +%define VP8_FILTER_SHIFT 7 + + +;/************************************************************************************ +; 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] + + 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 + 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 + + +;void vp8_bilinear_predict16x16_sse2 +;( +; unsigned char *src_ptr, +; int src_pixels_per_line, +; int xoffset, +; int yoffset, +; unsigned char *dst_ptr, +; int dst_pitch +;) +extern sym(vp8_bilinear_filters_x86_8) +global sym(vp8_bilinear_predict16x16_sse2) PRIVATE +sym(vp8_bilinear_predict16x16_sse2): + push rbp + mov rbp, rsp + SHADOW_ARGS_TO_STACK 6 + SAVE_XMM 7 + GET_GOT rbx + push rsi + push rdi + ; end prolog + + ;const short *HFilter = vp8_bilinear_filters_x86_8[xoffset] + ;const short *VFilter = vp8_bilinear_filters_x86_8[yoffset] + + lea rcx, [GLOBAL(sym(vp8_bilinear_filters_x86_8))] + movsxd rax, dword ptr arg(2) ;xoffset + + cmp rax, 0 ;skip first_pass filter if xoffset=0 + je .b16x16_sp_only + + shl rax, 5 + add rax, rcx ;HFilter + + mov rdi, arg(4) ;dst_ptr + mov rsi, arg(0) ;src_ptr + movsxd rdx, dword ptr arg(5) ;dst_pitch + + movdqa xmm1, [rax] + movdqa xmm2, [rax+16] + + movsxd rax, dword ptr arg(3) ;yoffset + + cmp rax, 0 ;skip second_pass filter if yoffset=0 + je .b16x16_fp_only + + shl rax, 5 + add rax, rcx ;VFilter + + lea rcx, [rdi+rdx*8] + lea rcx, [rcx+rdx*8] + movsxd rdx, dword ptr arg(1) ;src_pixels_per_line + + pxor xmm0, xmm0 + +%if ABI_IS_32BIT=0 + movsxd r8, dword ptr arg(5) ;dst_pitch +%endif + ; get the first horizontal line done + movdqu xmm3, [rsi] ; xx 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 + movdqa xmm4, xmm3 ; make a copy of current line + + punpcklbw xmm3, xmm0 ; xx 00 01 02 03 04 05 06 + punpckhbw xmm4, xmm0 + + pmullw xmm3, xmm1 + pmullw xmm4, xmm1 + + movdqu xmm5, [rsi+1] + movdqa xmm6, xmm5 + + punpcklbw xmm5, xmm0 + punpckhbw xmm6, xmm0 + + pmullw xmm5, xmm2 + pmullw xmm6, xmm2 + + paddw xmm3, xmm5 + paddw xmm4, xmm6 + + paddw xmm3, [GLOBAL(rd)] ; xmm3 += round value + psraw xmm3, VP8_FILTER_SHIFT ; xmm3 /= 128 + + paddw xmm4, [GLOBAL(rd)] + psraw xmm4, VP8_FILTER_SHIFT + + movdqa xmm7, xmm3 + packuswb xmm7, xmm4 + + add rsi, rdx ; next line +.next_row: + movdqu xmm3, [rsi] ; xx 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 + movdqa xmm4, xmm3 ; make a copy of current line + + punpcklbw xmm3, xmm0 ; xx 00 01 02 03 04 05 06 + punpckhbw xmm4, xmm0 + + pmullw xmm3, xmm1 + pmullw xmm4, xmm1 + + movdqu xmm5, [rsi+1] + movdqa xmm6, xmm5 + + punpcklbw xmm5, xmm0 + punpckhbw xmm6, xmm0 + + pmullw xmm5, xmm2 + pmullw xmm6, xmm2 + + paddw xmm3, xmm5 + paddw xmm4, xmm6 + + movdqa xmm5, xmm7 + movdqa xmm6, xmm7 + + punpcklbw xmm5, xmm0 + punpckhbw xmm6, xmm0 + + pmullw xmm5, [rax] + pmullw xmm6, [rax] + + paddw xmm3, [GLOBAL(rd)] ; xmm3 += round value + psraw xmm3, VP8_FILTER_SHIFT ; xmm3 /= 128 + + paddw xmm4, [GLOBAL(rd)] + psraw xmm4, VP8_FILTER_SHIFT + + movdqa xmm7, xmm3 + packuswb xmm7, xmm4 + + pmullw xmm3, [rax+16] + pmullw xmm4, [rax+16] + + paddw xmm3, xmm5 + paddw xmm4, xmm6 + + paddw xmm3, [GLOBAL(rd)] ; xmm3 += round value + psraw xmm3, VP8_FILTER_SHIFT ; xmm3 /= 128 + + paddw xmm4, [GLOBAL(rd)] + psraw xmm4, VP8_FILTER_SHIFT + + packuswb xmm3, xmm4 + movdqa [rdi], xmm3 ; store the results in the destination + + add rsi, rdx ; next line +%if ABI_IS_32BIT + add rdi, DWORD PTR arg(5) ;dst_pitch +%else + add rdi, r8 +%endif + + cmp rdi, rcx + jne .next_row + + jmp .done + +.b16x16_sp_only: + movsxd rax, dword ptr arg(3) ;yoffset + shl rax, 5 + add rax, rcx ;VFilter + + mov rdi, arg(4) ;dst_ptr + mov rsi, arg(0) ;src_ptr + movsxd rdx, dword ptr arg(5) ;dst_pitch + + movdqa xmm1, [rax] + movdqa xmm2, [rax+16] + + lea rcx, [rdi+rdx*8] + lea rcx, [rcx+rdx*8] + movsxd rax, dword ptr arg(1) ;src_pixels_per_line + + pxor xmm0, xmm0 + + ; get the first horizontal line done + movdqu xmm7, [rsi] ; xx 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 + + add rsi, rax ; next line +.next_row_spo: + movdqu xmm3, [rsi] ; xx 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 + + movdqa xmm5, xmm7 + movdqa xmm6, xmm7 + + movdqa xmm4, xmm3 ; make a copy of current line + movdqa xmm7, xmm3 + + punpcklbw xmm5, xmm0 + punpckhbw xmm6, xmm0 + punpcklbw xmm3, xmm0 ; xx 00 01 02 03 04 05 06 + punpckhbw xmm4, xmm0 + + pmullw xmm5, xmm1 + pmullw xmm6, xmm1 + pmullw xmm3, xmm2 + pmullw xmm4, xmm2 + + paddw xmm3, xmm5 + paddw xmm4, xmm6 + + paddw xmm3, [GLOBAL(rd)] ; xmm3 += round value + psraw xmm3, VP8_FILTER_SHIFT ; xmm3 /= 128 + + paddw xmm4, [GLOBAL(rd)] + psraw xmm4, VP8_FILTER_SHIFT + + packuswb xmm3, xmm4 + movdqa [rdi], xmm3 ; store the results in the destination + + add rsi, rax ; next line + add rdi, rdx ;dst_pitch + cmp rdi, rcx + jne .next_row_spo + + jmp .done + +.b16x16_fp_only: + lea rcx, [rdi+rdx*8] + lea rcx, [rcx+rdx*8] + movsxd rax, dword ptr arg(1) ;src_pixels_per_line + pxor xmm0, xmm0 + +.next_row_fpo: + movdqu xmm3, [rsi] ; xx 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 + movdqa xmm4, xmm3 ; make a copy of current line + + punpcklbw xmm3, xmm0 ; xx 00 01 02 03 04 05 06 + punpckhbw xmm4, xmm0 + + pmullw xmm3, xmm1 + pmullw xmm4, xmm1 + + movdqu xmm5, [rsi+1] + movdqa xmm6, xmm5 + + punpcklbw xmm5, xmm0 + punpckhbw xmm6, xmm0 + + pmullw xmm5, xmm2 + pmullw xmm6, xmm2 + + paddw xmm3, xmm5 + paddw xmm4, xmm6 + + paddw xmm3, [GLOBAL(rd)] ; xmm3 += round value + psraw xmm3, VP8_FILTER_SHIFT ; xmm3 /= 128 + + paddw xmm4, [GLOBAL(rd)] + psraw xmm4, VP8_FILTER_SHIFT + + packuswb xmm3, xmm4 + movdqa [rdi], xmm3 ; store the results in the destination + + add rsi, rax ; next line + add rdi, rdx ; dst_pitch + cmp rdi, rcx + jne .next_row_fpo + +.done: + ; begin epilog + pop rdi + pop rsi + RESTORE_GOT + RESTORE_XMM + UNSHADOW_ARGS + pop rbp + ret + + +;void vp8_bilinear_predict8x8_sse2 +;( +; unsigned char *src_ptr, +; int src_pixels_per_line, +; int xoffset, +; int yoffset, +; unsigned char *dst_ptr, +; int dst_pitch +;) +global sym(vp8_bilinear_predict8x8_sse2) PRIVATE +sym(vp8_bilinear_predict8x8_sse2): + push rbp + mov rbp, rsp + SHADOW_ARGS_TO_STACK 6 + SAVE_XMM 7 + GET_GOT rbx + push rsi + push rdi + ; end prolog + + ALIGN_STACK 16, rax + sub rsp, 144 ; reserve 144 bytes + + ;const short *HFilter = vp8_bilinear_filters_x86_8[xoffset] + ;const short *VFilter = vp8_bilinear_filters_x86_8[yoffset] + lea rcx, [GLOBAL(sym(vp8_bilinear_filters_x86_8))] + + mov rsi, arg(0) ;src_ptr + movsxd rdx, dword ptr arg(1) ;src_pixels_per_line + + ;Read 9-line unaligned data in and put them on stack. This gives a big + ;performance boost. + movdqu xmm0, [rsi] + lea rax, [rdx + rdx*2] + movdqu xmm1, [rsi+rdx] + movdqu xmm2, [rsi+rdx*2] + add rsi, rax + movdqu xmm3, [rsi] + movdqu xmm4, [rsi+rdx] + movdqu xmm5, [rsi+rdx*2] + add rsi, rax + movdqu xmm6, [rsi] + movdqu xmm7, [rsi+rdx] + + movdqa XMMWORD PTR [rsp], xmm0 + + movdqu xmm0, [rsi+rdx*2] + + movdqa XMMWORD PTR [rsp+16], xmm1 + movdqa XMMWORD PTR [rsp+32], xmm2 + movdqa XMMWORD PTR [rsp+48], xmm3 + movdqa XMMWORD PTR [rsp+64], xmm4 + movdqa XMMWORD PTR [rsp+80], xmm5 + movdqa XMMWORD PTR [rsp+96], xmm6 + movdqa XMMWORD PTR [rsp+112], xmm7 + movdqa XMMWORD PTR [rsp+128], xmm0 + + movsxd rax, dword ptr arg(2) ;xoffset + shl rax, 5 + add rax, rcx ;HFilter + + mov rdi, arg(4) ;dst_ptr + movsxd rdx, dword ptr arg(5) ;dst_pitch + + movdqa xmm1, [rax] + movdqa xmm2, [rax+16] + + movsxd rax, dword ptr arg(3) ;yoffset + shl rax, 5 + add rax, rcx ;VFilter + + lea rcx, [rdi+rdx*8] + + movdqa xmm5, [rax] + movdqa xmm6, [rax+16] + + pxor xmm0, xmm0 + + ; get the first horizontal line done + movdqa xmm3, XMMWORD PTR [rsp] + movdqa xmm4, xmm3 ; make a copy of current line + psrldq xmm4, 1 + + punpcklbw xmm3, xmm0 ; 00 01 02 03 04 05 06 07 + punpcklbw xmm4, xmm0 ; 01 02 03 04 05 06 07 08 + + pmullw xmm3, xmm1 + pmullw xmm4, xmm2 + + paddw xmm3, xmm4 + + paddw xmm3, [GLOBAL(rd)] ; xmm3 += round value + psraw xmm3, VP8_FILTER_SHIFT ; xmm3 /= 128 + + movdqa xmm7, xmm3 + add rsp, 16 ; next line +.next_row8x8: + movdqa xmm3, XMMWORD PTR [rsp] ; 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 + movdqa xmm4, xmm3 ; make a copy of current line + psrldq xmm4, 1 + + punpcklbw xmm3, xmm0 ; 00 01 02 03 04 05 06 07 + punpcklbw xmm4, xmm0 ; 01 02 03 04 05 06 07 08 + + pmullw xmm3, xmm1 + pmullw xmm4, xmm2 + + paddw xmm3, xmm4 + pmullw xmm7, xmm5 + + paddw xmm3, [GLOBAL(rd)] ; xmm3 += round value + psraw xmm3, VP8_FILTER_SHIFT ; xmm3 /= 128 + + movdqa xmm4, xmm3 + + pmullw xmm3, xmm6 + paddw xmm3, xmm7 + + movdqa xmm7, xmm4 + + paddw xmm3, [GLOBAL(rd)] ; xmm3 += round value + psraw xmm3, VP8_FILTER_SHIFT ; xmm3 /= 128 + + packuswb xmm3, xmm0 + movq [rdi], xmm3 ; store the results in the destination + + add rsp, 16 ; next line + add rdi, rdx + + cmp rdi, rcx + jne .next_row8x8 + + ;add rsp, 144 + pop rsp + ; begin epilog + pop rdi + pop rsi + RESTORE_GOT + RESTORE_XMM + UNSHADOW_ARGS + pop rbp + ret + + +SECTION_RODATA +align 16 +rd: + times 8 dw 0x40 |