707 lines
20 KiB
NASM
707 lines
20 KiB
NASM
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;******************************************************************************
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;* VP8 MMXEXT optimizations
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;* Copyright (c) 2010 Ronald S. Bultje <rsbultje@gmail.com>
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;* Copyright (c) 2010 Jason Garrett-Glaser <darkshikari@gmail.com>
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;*
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;* This file is part of FFmpeg.
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;*
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;* FFmpeg is free software; you can redistribute it and/or
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;* modify it under the terms of the GNU Lesser General Public
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;* License as published by the Free Software Foundation; either
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;* version 2.1 of the License, or (at your option) any later version.
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;*
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;* FFmpeg is distributed in the hope that it will be useful,
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;* but WITHOUT ANY WARRANTY; without even the implied warranty of
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;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;* Lesser General Public License for more details.
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;*
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;* You should have received a copy of the GNU Lesser General Public
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;* License along with FFmpeg; if not, write to the Free Software
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;* 51, Inc., Foundation Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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;******************************************************************************
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%include "x86inc.asm"
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SECTION_RODATA
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fourtap_filter_hw_m: times 4 dw -6, 123
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times 4 dw 12, -1
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times 4 dw -9, 93
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times 4 dw 50, -6
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times 4 dw -6, 50
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times 4 dw 93, -9
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times 4 dw -1, 12
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times 4 dw 123, -6
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sixtap_filter_hw_m: times 4 dw 2, -11
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times 4 dw 108, 36
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times 4 dw -8, 1
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times 4 dw 3, -16
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times 4 dw 77, 77
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times 4 dw -16, 3
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times 4 dw 1, -8
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times 4 dw 36, 108
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times 4 dw -11, 2
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fourtap_filter_hb_m: times 8 db -6, -1
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times 8 db 123, 12
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times 8 db -9, -6
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times 8 db 93, 50
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times 8 db -6, -9
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times 8 db 50, 93
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times 8 db -1, -6
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times 8 db 12, 123
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sixtap_filter_hb_m: times 8 db 2, 1
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times 8 db -11, 108
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times 8 db 36, -8
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times 8 db 3, 3
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times 8 db -16, 77
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times 8 db 77, -16
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times 8 db 1, 2
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times 8 db -8, 36
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times 8 db 108, -11
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fourtap_filter_v_m: times 8 dw -6
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times 8 dw 123
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times 8 dw 12
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times 8 dw -1
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times 8 dw -9
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times 8 dw 93
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times 8 dw 50
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times 8 dw -6
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times 8 dw -6
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times 8 dw 50
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times 8 dw 93
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times 8 dw -9
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times 8 dw -1
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times 8 dw 12
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times 8 dw 123
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times 8 dw -6
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sixtap_filter_v_m: times 8 dw 2
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times 8 dw -11
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times 8 dw 108
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times 8 dw 36
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times 8 dw -8
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times 8 dw 1
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times 8 dw 3
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times 8 dw -16
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times 8 dw 77
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times 8 dw 77
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times 8 dw -16
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times 8 dw 3
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times 8 dw 1
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times 8 dw -8
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times 8 dw 36
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times 8 dw 108
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times 8 dw -11
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times 8 dw 2
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%ifdef PIC
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%define fourtap_filter_hw r11
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%define sixtap_filter_hw r11
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%define fourtap_filter_hb r11
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%define sixtap_filter_hb r11
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%define fourtap_filter_v r11
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%define sixtap_filter_v r11
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%else
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%define fourtap_filter_hw fourtap_filter_hw_m
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%define sixtap_filter_hw sixtap_filter_hw_m
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%define fourtap_filter_hb fourtap_filter_hb_m
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%define sixtap_filter_hb sixtap_filter_hb_m
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%define fourtap_filter_v fourtap_filter_v_m
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%define sixtap_filter_v sixtap_filter_v_m
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%endif
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filter_v4_shuf1: db 0, 3, 1, 4, 2, 5, 3, 6, 4, 7, 5, 8, 6, 9, 7, 10
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filter_v4_shuf2: db 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9
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filter_v6_shuf1: db 0, 5, 1, 6, 2, 7, 3, 8, 4, 9, 5, 10, 6, 11, 7, 12
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filter_v6_shuf2: db 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9
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filter_v6_shuf3: db 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11
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cextern pw_4
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cextern pw_64
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SECTION .text
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;-----------------------------------------------------------------------------
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; subpel MC functions:
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;
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; void put_vp8_epel<size>_h<htap>v<vtap>_<opt>(uint8_t *dst, int deststride,
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; uint8_t *src, int srcstride,
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; int height, int mx, int my);
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;-----------------------------------------------------------------------------
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; 4x4 block, H-only 4-tap filter
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cglobal put_vp8_epel4_h4_mmxext, 6, 6
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shl r5d, 4
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%ifdef PIC
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lea r11, [fourtap_filter_hw_m]
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%endif
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movq mm4, [fourtap_filter_hw+r5-16] ; set up 4tap filter in words
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movq mm5, [fourtap_filter_hw+r5]
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movq mm7, [pw_64]
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pxor mm6, mm6
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.nextrow
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movq mm1, [r2-1] ; (ABCDEFGH) load 8 horizontal pixels
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; first set of 2 pixels
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movq mm2, mm1 ; byte ABCD..
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punpcklbw mm1, mm6 ; byte->word ABCD
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pshufw mm0, mm2, 9 ; byte CDEF..
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punpcklbw mm0, mm6 ; byte->word CDEF
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pshufw mm3, mm1, 0x94 ; word ABBC
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pshufw mm1, mm0, 0x94 ; word CDDE
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pmaddwd mm3, mm4 ; multiply 2px with F0/F1
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movq mm0, mm1 ; backup for second set of pixels
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pmaddwd mm1, mm5 ; multiply 2px with F2/F3
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paddd mm3, mm1 ; finish 1st 2px
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; second set of 2 pixels, use backup of above
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punpckhbw mm2, mm6 ; byte->word EFGH
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pmaddwd mm0, mm4 ; multiply backed up 2px with F0/F1
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pshufw mm1, mm2, 0x94 ; word EFFG
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pmaddwd mm1, mm5 ; multiply 2px with F2/F3
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paddd mm0, mm1 ; finish 2nd 2px
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; merge two sets of 2 pixels into one set of 4, round/clip/store
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packssdw mm3, mm0 ; merge dword->word (4px)
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paddsw mm3, mm7 ; rounding
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psraw mm3, 7
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packuswb mm3, mm6 ; clip and word->bytes
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movd [r0], mm3 ; store
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; go to next line
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add r0, r1
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add r2, r3
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dec r4 ; next row
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jg .nextrow
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REP_RET
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; 4x4 block, H-only 6-tap filter
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cglobal put_vp8_epel4_h6_mmxext, 6, 6
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lea r5d, [r5*3]
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%ifdef PIC
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lea r11, [sixtap_filter_hw_m]
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%endif
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movq mm4, [sixtap_filter_hw+r5*8-48] ; set up 4tap filter in words
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movq mm5, [sixtap_filter_hw+r5*8-32]
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movq mm6, [sixtap_filter_hw+r5*8-16]
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movq mm7, [pw_64]
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pxor mm3, mm3
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.nextrow
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movq mm1, [r2-2] ; (ABCDEFGH) load 8 horizontal pixels
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; first set of 2 pixels
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movq mm2, mm1 ; byte ABCD..
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punpcklbw mm1, mm3 ; byte->word ABCD
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pshufw mm0, mm2, 0x9 ; byte CDEF..
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punpckhbw mm2, mm3 ; byte->word EFGH
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punpcklbw mm0, mm3 ; byte->word CDEF
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pshufw mm1, mm1, 0x94 ; word ABBC
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pshufw mm2, mm2, 0x94 ; word EFFG
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pmaddwd mm1, mm4 ; multiply 2px with F0/F1
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pshufw mm3, mm0, 0x94 ; word CDDE
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movq mm0, mm3 ; backup for second set of pixels
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pmaddwd mm3, mm5 ; multiply 2px with F2/F3
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paddd mm1, mm3 ; add to 1st 2px cache
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movq mm3, mm2 ; backup for second set of pixels
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pmaddwd mm2, mm6 ; multiply 2px with F4/F5
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paddd mm1, mm2 ; finish 1st 2px
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; second set of 2 pixels, use backup of above
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movd mm2, [r2+3] ; byte FGHI (prevent overreads)
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pmaddwd mm0, mm4 ; multiply 1st backed up 2px with F0/F1
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pmaddwd mm3, mm5 ; multiply 2nd backed up 2px with F2/F3
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paddd mm0, mm3 ; add to 2nd 2px cache
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pxor mm3, mm3
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punpcklbw mm2, mm3 ; byte->word FGHI
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pshufw mm2, mm2, 0xE9 ; word GHHI
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pmaddwd mm2, mm6 ; multiply 2px with F4/F5
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paddd mm0, mm2 ; finish 2nd 2px
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; merge two sets of 2 pixels into one set of 4, round/clip/store
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packssdw mm1, mm0 ; merge dword->word (4px)
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paddsw mm1, mm7 ; rounding
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psraw mm1, 7
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packuswb mm1, mm3 ; clip and word->bytes
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movd [r0], mm1 ; store
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; go to next line
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add r0, r1
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add r2, r3
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dec r4 ; next row
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jg .nextrow
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REP_RET
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; 4x4 block, H-only 4-tap filter
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INIT_XMM
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cglobal put_vp8_epel8_h4_sse2, 6, 6, 8
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shl r5d, 4
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%ifdef PIC
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lea r11, [fourtap_filter_hw_m]
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%endif
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mova m5, [fourtap_filter_hw+r5-16] ; set up 4tap filter in words
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mova m6, [fourtap_filter_hw+r5]
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pxor m7, m7
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.nextrow
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movh m0, [r2-1]
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punpcklbw m0, m7 ; ABCDEFGH
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mova m1, m0
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mova m2, m0
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mova m3, m0
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psrldq m1, 2 ; BCDEFGH
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psrldq m2, 4 ; CDEFGH
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psrldq m3, 6 ; DEFGH
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punpcklwd m0, m1 ; ABBCCDDE
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punpcklwd m2, m3 ; CDDEEFFG
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pmaddwd m0, m5
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pmaddwd m2, m6
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paddd m0, m2
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movh m1, [r2+3]
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punpcklbw m1, m7 ; ABCDEFGH
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mova m2, m1
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mova m3, m1
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mova m4, m1
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psrldq m2, 2 ; BCDEFGH
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psrldq m3, 4 ; CDEFGH
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psrldq m4, 6 ; DEFGH
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punpcklwd m1, m2 ; ABBCCDDE
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punpcklwd m3, m4 ; CDDEEFFG
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pmaddwd m1, m5
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pmaddwd m3, m6
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paddd m1, m3
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packssdw m0, m1
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paddsw m0, [pw_64]
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psraw m0, 7
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packuswb m0, m7
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movh [r0], m0 ; store
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; go to next line
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add r0, r1
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add r2, r3
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dec r4 ; next row
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jg .nextrow
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REP_RET
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cglobal put_vp8_epel8_h6_sse2, 6, 6, 8
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lea r5d, [r5*3]
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%ifdef PIC
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lea r11, [sixtap_filter_hw_m]
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%endif
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lea r5, [sixtap_filter_hw+r5*8]
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pxor m7, m7
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.nextrow
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movu m0, [r2-2]
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mova m6, m0
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mova m4, m0
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punpcklbw m0, m7 ; ABCDEFGHI
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mova m1, m0
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mova m2, m0
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mova m3, m0
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psrldq m1, 2 ; BCDEFGH
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psrldq m2, 4 ; CDEFGH
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psrldq m3, 6 ; DEFGH
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psrldq m4, 4
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punpcklbw m4, m7 ; EFGH
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mova m5, m4
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psrldq m5, 2 ; FGH
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punpcklwd m0, m1 ; ABBCCDDE
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punpcklwd m2, m3 ; CDDEEFFG
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punpcklwd m4, m5 ; EFFGGHHI
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pmaddwd m0, [r5-48]
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pmaddwd m2, [r5-32]
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pmaddwd m4, [r5-16]
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paddd m0, m2
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paddd m0, m4
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psrldq m6, 4
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mova m4, m6
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punpcklbw m6, m7 ; ABCDEFGHI
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mova m1, m6
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mova m2, m6
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mova m3, m6
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psrldq m1, 2 ; BCDEFGH
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psrldq m2, 4 ; CDEFGH
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psrldq m3, 6 ; DEFGH
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psrldq m4, 4
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punpcklbw m4, m7 ; EFGH
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mova m5, m4
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psrldq m5, 2 ; FGH
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punpcklwd m6, m1 ; ABBCCDDE
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punpcklwd m2, m3 ; CDDEEFFG
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punpcklwd m4, m5 ; EFFGGHHI
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pmaddwd m6, [r5-48]
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pmaddwd m2, [r5-32]
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pmaddwd m4, [r5-16]
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paddd m6, m2
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paddd m6, m4
|
||
|
|
|
||
|
|
packssdw m0, m6
|
||
|
|
paddsw m0, [pw_64]
|
||
|
|
psraw m0, 7
|
||
|
|
packuswb m0, m7
|
||
|
|
movh [r0], m0 ; store
|
||
|
|
|
||
|
|
; go to next line
|
||
|
|
add r0, r1
|
||
|
|
add r2, r3
|
||
|
|
dec r4 ; next row
|
||
|
|
jg .nextrow
|
||
|
|
REP_RET
|
||
|
|
|
||
|
|
cglobal put_vp8_epel8_h4_ssse3, 6, 6, 7
|
||
|
|
shl r5d, 4
|
||
|
|
mova m2, [pw_64]
|
||
|
|
mova m3, [filter_v4_shuf1]
|
||
|
|
mova m4, [filter_v4_shuf2]
|
||
|
|
%ifdef PIC
|
||
|
|
lea r11, [fourtap_filter_hb_m]
|
||
|
|
%endif
|
||
|
|
mova m5, [fourtap_filter_hb+r5-16] ; set up 4tap filter in bytes
|
||
|
|
mova m6, [fourtap_filter_hb+r5]
|
||
|
|
|
||
|
|
.nextrow
|
||
|
|
movu m0, [r2-1]
|
||
|
|
mova m1, m0
|
||
|
|
pshufb m0, m3
|
||
|
|
pshufb m1, m4
|
||
|
|
pmaddubsw m0, m5
|
||
|
|
pmaddubsw m1, m6
|
||
|
|
paddsw m0, m2
|
||
|
|
paddsw m0, m1
|
||
|
|
psraw m0, 7
|
||
|
|
packuswb m0, m0
|
||
|
|
movh [r0], m0 ; store
|
||
|
|
|
||
|
|
; go to next line
|
||
|
|
add r0, r1
|
||
|
|
add r2, r3
|
||
|
|
dec r4 ; next row
|
||
|
|
jg .nextrow
|
||
|
|
REP_RET
|
||
|
|
|
||
|
|
cglobal put_vp8_epel8_h6_ssse3, 6, 6, 8
|
||
|
|
lea r5d, [r5*3]
|
||
|
|
mova m3, [filter_v6_shuf1]
|
||
|
|
mova m4, [filter_v6_shuf2]
|
||
|
|
%ifdef PIC
|
||
|
|
lea r11, [sixtap_filter_hb_m]
|
||
|
|
%endif
|
||
|
|
mova m5, [sixtap_filter_hb+r5*8-48] ; set up 6tap filter in bytes
|
||
|
|
mova m6, [sixtap_filter_hb+r5*8-32]
|
||
|
|
mova m7, [sixtap_filter_hb+r5*8-16]
|
||
|
|
|
||
|
|
.nextrow
|
||
|
|
movu m0, [r2-2]
|
||
|
|
mova m1, m0
|
||
|
|
mova m2, m0
|
||
|
|
pshufb m0, m3
|
||
|
|
pshufb m1, m4
|
||
|
|
pshufb m2, [filter_v6_shuf3]
|
||
|
|
pmaddubsw m0, m5
|
||
|
|
pmaddubsw m1, m6
|
||
|
|
pmaddubsw m2, m7
|
||
|
|
paddsw m0, m1
|
||
|
|
paddsw m0, m2
|
||
|
|
paddsw m0, [pw_64]
|
||
|
|
psraw m0, 7
|
||
|
|
packuswb m0, m0
|
||
|
|
movh [r0], m0 ; store
|
||
|
|
|
||
|
|
; go to next line
|
||
|
|
add r0, r1
|
||
|
|
add r2, r3
|
||
|
|
dec r4 ; next row
|
||
|
|
jg .nextrow
|
||
|
|
REP_RET
|
||
|
|
|
||
|
|
%macro FILTER_V 3
|
||
|
|
; 4x4 block, V-only 4-tap filter
|
||
|
|
cglobal put_vp8_epel%2_v4_%1, 7, 7, %3
|
||
|
|
shl r6d, 5
|
||
|
|
%ifdef PIC
|
||
|
|
lea r11, [fourtap_filter_v_m]
|
||
|
|
%endif
|
||
|
|
lea r6, [fourtap_filter_v+r6-32]
|
||
|
|
mova m6, [pw_64]
|
||
|
|
pxor m7, m7
|
||
|
|
mova m5, [r6+48]
|
||
|
|
|
||
|
|
; read 3 lines
|
||
|
|
sub r2, r3
|
||
|
|
movh m0, [r2]
|
||
|
|
movh m1, [r2+ r3]
|
||
|
|
movh m2, [r2+2*r3]
|
||
|
|
add r2, r3
|
||
|
|
punpcklbw m0, m7
|
||
|
|
punpcklbw m1, m7
|
||
|
|
punpcklbw m2, m7
|
||
|
|
|
||
|
|
.nextrow
|
||
|
|
; first calculate negative taps (to prevent losing positive overflows)
|
||
|
|
movh m4, [r2+2*r3] ; read new row
|
||
|
|
punpcklbw m4, m7
|
||
|
|
mova m3, m4
|
||
|
|
pmullw m0, [r6+0]
|
||
|
|
pmullw m4, m5
|
||
|
|
paddsw m4, m0
|
||
|
|
|
||
|
|
; then calculate positive taps
|
||
|
|
mova m0, m1
|
||
|
|
pmullw m1, [r6+16]
|
||
|
|
paddsw m4, m1
|
||
|
|
mova m1, m2
|
||
|
|
pmullw m2, [r6+32]
|
||
|
|
paddsw m4, m2
|
||
|
|
mova m2, m3
|
||
|
|
|
||
|
|
; round/clip/store
|
||
|
|
paddsw m4, m6
|
||
|
|
psraw m4, 7
|
||
|
|
packuswb m4, m7
|
||
|
|
movh [r0], m4
|
||
|
|
|
||
|
|
; go to next line
|
||
|
|
add r0, r1
|
||
|
|
add r2, r3
|
||
|
|
dec r4 ; next row
|
||
|
|
jg .nextrow
|
||
|
|
REP_RET
|
||
|
|
|
||
|
|
|
||
|
|
; 4x4 block, V-only 6-tap filter
|
||
|
|
cglobal put_vp8_epel%2_v6_%1, 7, 7, %3
|
||
|
|
shl r6d, 4
|
||
|
|
lea r6, [r6*3]
|
||
|
|
%ifdef PIC
|
||
|
|
lea r11, [sixtap_filter_v_m]
|
||
|
|
%endif
|
||
|
|
lea r6, [sixtap_filter_v+r6-96]
|
||
|
|
pxor m7, m7
|
||
|
|
|
||
|
|
; read 5 lines
|
||
|
|
sub r2, r3
|
||
|
|
sub r2, r3
|
||
|
|
movh m0, [r2]
|
||
|
|
movh m1, [r2+r3]
|
||
|
|
movh m2, [r2+r3*2]
|
||
|
|
lea r2, [r2+r3*2]
|
||
|
|
add r2, r3
|
||
|
|
movh m3, [r2]
|
||
|
|
movh m4, [r2+r3]
|
||
|
|
punpcklbw m0, m7
|
||
|
|
punpcklbw m1, m7
|
||
|
|
punpcklbw m2, m7
|
||
|
|
punpcklbw m3, m7
|
||
|
|
punpcklbw m4, m7
|
||
|
|
|
||
|
|
.nextrow
|
||
|
|
; first calculate negative taps (to prevent losing positive overflows)
|
||
|
|
mova m5, m1
|
||
|
|
pmullw m5, [r6+16]
|
||
|
|
mova m6, m4
|
||
|
|
pmullw m6, [r6+64]
|
||
|
|
paddsw m6, m5
|
||
|
|
|
||
|
|
; then calculate positive taps
|
||
|
|
movh m5, [r2+2*r3] ; read new row
|
||
|
|
punpcklbw m5, m7
|
||
|
|
pmullw m0, [r6+0]
|
||
|
|
paddsw m6, m0
|
||
|
|
mova m0, m1
|
||
|
|
mova m1, m2
|
||
|
|
pmullw m2, [r6+32]
|
||
|
|
paddsw m6, m2
|
||
|
|
mova m2, m3
|
||
|
|
pmullw m3, [r6+48]
|
||
|
|
paddsw m6, m3
|
||
|
|
mova m3, m4
|
||
|
|
mova m4, m5
|
||
|
|
pmullw m5, [r6+80]
|
||
|
|
paddsw m6, m5
|
||
|
|
|
||
|
|
; round/clip/store
|
||
|
|
paddsw m6, [pw_64]
|
||
|
|
psraw m6, 7
|
||
|
|
packuswb m6, m7
|
||
|
|
movh [r0], m6
|
||
|
|
|
||
|
|
; go to next line
|
||
|
|
add r0, r1
|
||
|
|
add r2, r3
|
||
|
|
dec r4 ; next row
|
||
|
|
jg .nextrow
|
||
|
|
REP_RET
|
||
|
|
%endmacro
|
||
|
|
|
||
|
|
INIT_MMX
|
||
|
|
FILTER_V mmxext, 4, 0
|
||
|
|
INIT_XMM
|
||
|
|
FILTER_V sse2, 8, 8
|
||
|
|
|
||
|
|
cglobal put_vp8_epel8_v4_ssse3, 7, 7, 8
|
||
|
|
shl r6d, 4
|
||
|
|
%ifdef PIC
|
||
|
|
lea r11, [fourtap_filter_hb_m]
|
||
|
|
%endif
|
||
|
|
mova m5, [fourtap_filter_hb+r6-16]
|
||
|
|
mova m6, [fourtap_filter_hb+r6]
|
||
|
|
mova m7, [pw_64]
|
||
|
|
|
||
|
|
; read 3 lines
|
||
|
|
sub r2, r3
|
||
|
|
movh m0, [r2]
|
||
|
|
movh m1, [r2+ r3]
|
||
|
|
movh m2, [r2+2*r3]
|
||
|
|
add r2, r3
|
||
|
|
|
||
|
|
.nextrow
|
||
|
|
movh m3, [r2+2*r3] ; read new row
|
||
|
|
mova m4, m0
|
||
|
|
mova m0, m1
|
||
|
|
punpcklbw m4, m3
|
||
|
|
punpcklbw m1, m2
|
||
|
|
pmaddubsw m4, m5
|
||
|
|
pmaddubsw m1, m6
|
||
|
|
paddsw m4, m1
|
||
|
|
mova m1, m2
|
||
|
|
paddsw m4, m7
|
||
|
|
mova m2, m3
|
||
|
|
psraw m4, 7
|
||
|
|
packuswb m4, m4
|
||
|
|
movh [r0], m4
|
||
|
|
|
||
|
|
; go to next line
|
||
|
|
add r0, r1
|
||
|
|
add r2, r3
|
||
|
|
dec r4 ; next row
|
||
|
|
jg .nextrow
|
||
|
|
REP_RET
|
||
|
|
|
||
|
|
cglobal put_vp8_epel8_v6_ssse3, 7, 7, 8
|
||
|
|
lea r6d, [r6*3]
|
||
|
|
%ifdef PIC
|
||
|
|
lea r11, [sixtap_filter_hb_m]
|
||
|
|
%endif
|
||
|
|
lea r6, [sixtap_filter_hb+r6*8]
|
||
|
|
|
||
|
|
; read 5 lines
|
||
|
|
sub r2, r3
|
||
|
|
sub r2, r3
|
||
|
|
movh m0, [r2]
|
||
|
|
movh m1, [r2+r3]
|
||
|
|
movh m2, [r2+r3*2]
|
||
|
|
lea r2, [r2+r3*2]
|
||
|
|
add r2, r3
|
||
|
|
movh m3, [r2]
|
||
|
|
movh m4, [r2+r3]
|
||
|
|
|
||
|
|
.nextrow
|
||
|
|
movh m5, [r2+2*r3] ; read new row
|
||
|
|
mova m6, m0
|
||
|
|
punpcklbw m6, m5
|
||
|
|
mova m0, m1
|
||
|
|
punpcklbw m1, m2
|
||
|
|
mova m7, m3
|
||
|
|
punpcklbw m7, m4
|
||
|
|
pmaddubsw m6, [r6-48]
|
||
|
|
pmaddubsw m1, [r6-32]
|
||
|
|
pmaddubsw m7, [r6-16]
|
||
|
|
paddsw m6, m1
|
||
|
|
paddsw m6, m7
|
||
|
|
mova m1, m2
|
||
|
|
paddsw m6, [pw_64]
|
||
|
|
mova m2, m3
|
||
|
|
psraw m6, 7
|
||
|
|
mova m3, m4
|
||
|
|
packuswb m6, m6
|
||
|
|
mova m4, m5
|
||
|
|
movh [r0], m6
|
||
|
|
|
||
|
|
; go to next line
|
||
|
|
add r0, r1
|
||
|
|
add r2, r3
|
||
|
|
dec r4 ; next row
|
||
|
|
jg .nextrow
|
||
|
|
REP_RET
|
||
|
|
|
||
|
|
;-----------------------------------------------------------------------------
|
||
|
|
; IDCT functions:
|
||
|
|
;
|
||
|
|
; void vp8_idct_dc_add_<opt>(uint8_t *dst, DCTELEM block[16], int stride);
|
||
|
|
;-----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
cglobal vp8_idct_dc_add_mmx, 3, 3
|
||
|
|
; load data
|
||
|
|
movd mm0, [r1]
|
||
|
|
|
||
|
|
; calculate DC
|
||
|
|
paddw mm0, [pw_4]
|
||
|
|
pxor mm1, mm1
|
||
|
|
psraw mm0, 3
|
||
|
|
psubw mm1, mm0
|
||
|
|
packuswb mm0, mm0
|
||
|
|
packuswb mm1, mm1
|
||
|
|
punpcklbw mm0, mm0
|
||
|
|
punpcklbw mm1, mm1
|
||
|
|
punpcklwd mm0, mm0
|
||
|
|
punpcklwd mm1, mm1
|
||
|
|
|
||
|
|
; add DC
|
||
|
|
lea r1, [r0+r2*2]
|
||
|
|
movd mm2, [r0]
|
||
|
|
movd mm3, [r0+r2]
|
||
|
|
movd mm4, [r1]
|
||
|
|
movd mm5, [r1+r2]
|
||
|
|
paddusb mm2, mm0
|
||
|
|
paddusb mm3, mm0
|
||
|
|
paddusb mm4, mm0
|
||
|
|
paddusb mm5, mm0
|
||
|
|
psubusb mm2, mm1
|
||
|
|
psubusb mm3, mm1
|
||
|
|
psubusb mm4, mm1
|
||
|
|
psubusb mm5, mm1
|
||
|
|
movd [r0], mm2
|
||
|
|
movd [r0+r2], mm3
|
||
|
|
movd [r1], mm4
|
||
|
|
movd [r1+r2], mm5
|
||
|
|
RET
|
||
|
|
|
||
|
|
cglobal vp8_idct_dc_add_sse4, 3, 3, 6
|
||
|
|
; load data
|
||
|
|
movd xmm0, [r1]
|
||
|
|
lea r1, [r0+r2*2]
|
||
|
|
pxor xmm1, xmm1
|
||
|
|
movq xmm2, [pw_4]
|
||
|
|
|
||
|
|
; calculate DC
|
||
|
|
paddw xmm0, xmm2
|
||
|
|
movd xmm2, [r0]
|
||
|
|
movd xmm3, [r0+r2]
|
||
|
|
movd xmm4, [r1]
|
||
|
|
movd xmm5, [r1+r2]
|
||
|
|
psraw xmm0, 3
|
||
|
|
pshuflw xmm0, xmm0, 0
|
||
|
|
punpcklqdq xmm0, xmm0
|
||
|
|
punpckldq xmm2, xmm3
|
||
|
|
punpckldq xmm4, xmm5
|
||
|
|
punpcklbw xmm2, xmm1
|
||
|
|
punpcklbw xmm4, xmm1
|
||
|
|
paddw xmm2, xmm0
|
||
|
|
paddw xmm4, xmm0
|
||
|
|
packuswb xmm2, xmm4
|
||
|
|
movd [r0], xmm2
|
||
|
|
pextrd [r0+r2], xmm2, 1
|
||
|
|
pextrd [r1], xmm2, 2
|
||
|
|
pextrd [r1+r2], xmm2, 3
|
||
|
|
RET
|