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			261 lines
		
	
	
		
			6.4 KiB
		
	
	
	
		
			NASM
		
	
	
	
	
	
			
		
		
	
	
			261 lines
		
	
	
		
			6.4 KiB
		
	
	
	
		
			NASM
		
	
	
	
	
	
| ;******************************************************************************
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| ;* Copyright (c) 2010 David Conrad
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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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| 
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| %include "x86inc.asm"
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| 
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| SECTION_RODATA
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| pw_3: times 8 dw 3
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| pw_7: times 8 dw 7
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| pw_16: times 8 dw 16
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| pw_32: times 8 dw 32
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| pb_128: times 16 db 128
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| 
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| section .text
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| 
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| %macro UNPACK_ADD 6
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|     mov%5   %1, %3
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|     mov%6   m5, %4
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|     mova    m4, %1
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|     mova    %2, m5
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|     punpcklbw %1, m7
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|     punpcklbw m5, m7
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|     punpckhbw m4, m7
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|     punpckhbw %2, m7
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|     paddw   %1, m5
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|     paddw   %2, m4
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| %endmacro
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| 
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| %macro HPEL_FILTER 1
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| ; dirac_hpel_filter_v_sse2(uint8_t *dst, uint8_t *src, int stride, int width);
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| cglobal dirac_hpel_filter_v_%1, 4,6,8, dst, src, stride, width, src0, stridex3
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|     mov     src0q, srcq
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|     lea     stridex3q, [3*strideq]
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|     sub     src0q, stridex3q
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|     pxor    m7, m7
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| .loop:
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|     ; 7*(src[0] + src[1])
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|     UNPACK_ADD m0, m1, [srcq], [srcq + strideq], a,a
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|     pmullw  m0, [pw_7]
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|     pmullw  m1, [pw_7]
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| 
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|     ; 3*( ... + src[-2] + src[3])
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|     UNPACK_ADD m2, m3, [src0q + strideq], [srcq + stridex3q], a,a
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|     paddw   m0, m2
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|     paddw   m1, m3
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|     pmullw  m0, [pw_3]
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|     pmullw  m1, [pw_3]
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| 
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|     ; ... - 7*(src[-1] + src[2])
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|     UNPACK_ADD m2, m3, [src0q + strideq*2], [srcq + strideq*2], a,a
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|     pmullw  m2, [pw_7]
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|     pmullw  m3, [pw_7]
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|     psubw   m0, m2
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|     psubw   m1, m3
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| 
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|     ; ... - (src[-3] + src[4])
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|     UNPACK_ADD m2, m3, [src0q], [srcq + strideq*4], a,a
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|     psubw   m0, m2
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|     psubw   m1, m3
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| 
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|     paddw   m0, [pw_16]
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|     paddw   m1, [pw_16]
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|     psraw   m0, 5
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|     psraw   m1, 5
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|     packuswb m0, m1
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|     mova    [dstq], m0
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|     add     dstq, mmsize
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|     add     srcq, mmsize
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|     add     src0q, mmsize
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|     sub     widthd, mmsize
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|     jg      .loop
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|     RET
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| 
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| ; dirac_hpel_filter_h_sse2(uint8_t *dst, uint8_t *src, int width);
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| cglobal dirac_hpel_filter_h_%1, 3,3,8, dst, src, width
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|     dec     widthd
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|     pxor    m7, m7
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|     and     widthd, ~(mmsize-1)
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| .loop:
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|     ; 7*(src[0] + src[1])
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|     UNPACK_ADD m0, m1, [srcq + widthq], [srcq + widthq + 1], u,u
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|     pmullw  m0, [pw_7]
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|     pmullw  m1, [pw_7]
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| 
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|     ; 3*( ... + src[-2] + src[3])
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|     UNPACK_ADD m2, m3, [srcq + widthq - 2], [srcq + widthq + 3], u,u
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|     paddw   m0, m2
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|     paddw   m1, m3
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|     pmullw  m0, [pw_3]
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|     pmullw  m1, [pw_3]
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| 
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|     ; ... - 7*(src[-1] + src[2])
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|     UNPACK_ADD m2, m3, [srcq + widthq - 1], [srcq + widthq + 2], u,u
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|     pmullw  m2, [pw_7]
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|     pmullw  m3, [pw_7]
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|     psubw   m0, m2
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|     psubw   m1, m3
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| 
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|     ; ... - (src[-3] + src[4])
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|     UNPACK_ADD m2, m3, [srcq + widthq - 3], [srcq + widthq + 4], u,u
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|     psubw   m0, m2
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|     psubw   m1, m3
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| 
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|     paddw   m0, [pw_16]
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|     paddw   m1, [pw_16]
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|     psraw   m0, 5
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|     psraw   m1, 5
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|     packuswb m0, m1
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|     mova    [dstq + widthq], m0
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|     sub     widthd, mmsize
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|     jge     .loop
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|     RET
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| %endmacro
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| 
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| %macro PUT_RECT 1
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| ; void put_rect_clamped(uint8_t *dst, int dst_stride, int16_t *src, int src_stride, int width, int height)
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| cglobal put_signed_rect_clamped_%1, 5,7,3, dst, dst_stride, src, src_stride, w, dst2, src2
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|     mova    m0, [pb_128]
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|     add     wd, (mmsize-1)
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|     and     wd, ~(mmsize-1)
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| 
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| %ifdef ARCH_X86_64
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|     mov   r10d, r5m
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|     mov   r11d, wd
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|     %define wspill r11d
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|     %define hd r10d
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| %else
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|     mov    r4m, wd
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|     %define wspill r4m
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|     %define hd r5mp
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| %endif
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| 
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| .loopy
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|     lea     src2q, [srcq+src_strideq*2]
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|     lea     dst2q, [dstq+dst_strideq]
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| .loopx:
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|     sub      wd, mmsize
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|     mova     m1, [srcq +2*wq]
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|     mova     m2, [src2q+2*wq]
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|     packsswb m1, [srcq +2*wq+mmsize]
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|     packsswb m2, [src2q+2*wq+mmsize]
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|     paddb    m1, m0
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|     paddb    m2, m0
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|     mova    [dstq +wq], m1
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|     mova    [dst2q+wq], m2
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|     jg      .loopx
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| 
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|     lea   srcq, [srcq+src_strideq*4]
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|     lea   dstq, [dstq+dst_strideq*2]
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|     sub     hd, 2
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|     mov     wd, wspill
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|     jg      .loopy
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|     RET
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| %endm
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| 
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| %macro ADD_RECT 1
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| ; void add_rect_clamped(uint8_t *dst, uint16_t *src, int stride, int16_t *idwt, int idwt_stride, int width, int height)
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| cglobal add_rect_clamped_%1, 7,7,3, dst, src, stride, idwt, idwt_stride, w, h
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|     mova    m0, [pw_32]
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|     add     wd, (mmsize-1)
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|     and     wd, ~(mmsize-1)
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| 
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| %ifdef ARCH_X86_64
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|     mov   r11d, wd
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|     %define wspill r11d
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| %else
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|     mov    r5m, wd
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|     %define wspill r5m
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| %endif
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| 
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| .loop:
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|     sub     wd, mmsize
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|     movu    m1, [srcq +2*wq] ; FIXME: ensure alignment
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|     paddw   m1, m0
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|     psraw   m1, 6
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|     movu    m2, [srcq +2*wq+mmsize] ; FIXME: ensure alignment
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|     paddw   m2, m0
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|     psraw   m2, 6
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|     paddw   m1, [idwtq+2*wq]
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|     paddw   m2, [idwtq+2*wq+mmsize]
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|     packuswb m1, m2
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|     mova    [dstq +wq], m1
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|     jg      .loop
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| 
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|     lea   srcq, [srcq + 2*strideq]
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|     add   dstq, strideq
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|     lea  idwtq, [idwtq+ 2*idwt_strideq]
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|     sub     hd, 1
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|     mov     wd, wspill
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|     jg      .loop
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|     RET
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| %endm
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| 
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| %macro ADD_OBMC 2
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| ; void add_obmc(uint16_t *dst, uint8_t *src, int stride, uint8_t *obmc_weight, int yblen)
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| cglobal add_dirac_obmc%1_%2, 6,6,5, dst, src, stride, obmc, yblen
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|     pxor        m4, m4
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| .loop:
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| %assign i 0
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| %rep %1 / mmsize
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|     mova        m0, [srcq+i]
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|     mova        m1, m0
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|     punpcklbw   m0, m4
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|     punpckhbw   m1, m4
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|     mova        m2, [obmcq+i]
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|     mova        m3, m2
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|    punpcklbw   m2, m4
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|     punpckhbw   m3, m4
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|     pmullw      m0, m2
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|     pmullw      m1, m3
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|     movu        m2, [dstq+2*i]
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|     movu        m3, [dstq+2*i+mmsize]
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|     paddw       m0, m2
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|     paddw       m1, m3
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|     movu        [dstq+2*i], m0
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|     movu        [dstq+2*i+mmsize], m1
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| %assign i i+mmsize
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| %endrep
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|     lea         srcq, [srcq+strideq]
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|     lea         dstq, [dstq+2*strideq]
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|     add         obmcq, 32
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|     sub         yblend, 1
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|     jg          .loop
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|     RET
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| %endm
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| 
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| INIT_MMX
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| %ifndef ARCH_X86_64
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| PUT_RECT mmx
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| ADD_RECT mmx
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| 
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| HPEL_FILTER mmx
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| ADD_OBMC 32, mmx
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| ADD_OBMC 16, mmx
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| %endif
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| ADD_OBMC 8, mmx
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| 
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| INIT_XMM
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| PUT_RECT sse2
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| ADD_RECT sse2
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| 
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| HPEL_FILTER sse2
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| ADD_OBMC 32, sse2
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| ADD_OBMC 16, sse2
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