2011-06-05 22:33:23 +00:00
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;*****************************************************************************
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;* MMX/SSE2/AVX-optimized 10-bit H.264 chroma MC code
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;*****************************************************************************
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;* Copyright (C) 2005-2011 x264 project
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;*
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;* Authors: Daniel Kang <daniel.d.kang@gmail.com>
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;*
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;* This file is part of Libav.
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;*
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;* Libav 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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;* Libav 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 Libav; if not, write to the Free Software
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;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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;******************************************************************************
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2011-08-14 18:46:18 +00:00
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%include "x86inc.asm"
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%include "x86util.asm"
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2011-06-05 22:33:23 +00:00
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SECTION_RODATA
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cextern pw_4
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cextern pw_8
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cextern pw_32
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cextern pw_64
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SECTION .text
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%macro MV0_PIXELS_MC8 0
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lea r4, [r2*3 ]
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lea r5, [r2*4 ]
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.next4rows
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movu m0, [r1 ]
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movu m1, [r1+r2 ]
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CHROMAMC_AVG m0, [r0 ]
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CHROMAMC_AVG m1, [r0+r2 ]
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mova [r0 ], m0
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mova [r0+r2 ], m1
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movu m0, [r1+r2*2]
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movu m1, [r1+r4 ]
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CHROMAMC_AVG m0, [r0+r2*2]
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CHROMAMC_AVG m1, [r0+r4 ]
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mova [r0+r2*2], m0
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mova [r0+r4 ], m1
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add r1, r5
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add r0, r5
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sub r3d, 4
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jne .next4rows
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%endmacro
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;-----------------------------------------------------------------------------
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; void put/avg_h264_chroma_mc8(pixel *dst, pixel *src, int stride, int h, int mx, int my)
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;-----------------------------------------------------------------------------
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%macro CHROMA_MC8 2
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; put/avg_h264_chroma_mc8_*(uint8_t *dst /*align 8*/, uint8_t *src /*align 1*/,
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; int stride, int h, int mx, int my)
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cglobal %1_h264_chroma_mc8_10_%2, 6,7,8
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movsxdifnidn r2, r2d
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mov r6d, r5d
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or r6d, r4d
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jne .at_least_one_non_zero
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; mx == 0 AND my == 0 - no filter needed
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MV0_PIXELS_MC8
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REP_RET
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.at_least_one_non_zero
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mov r6d, 2
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test r5d, r5d
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je .x_interpolation
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mov r6, r2 ; dxy = x ? 1 : stride
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test r4d, r4d
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jne .xy_interpolation
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.x_interpolation
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; mx == 0 XOR my == 0 - 1 dimensional filter only
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or r4d, r5d ; x + y
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movd m5, r4d
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mova m4, [pw_8]
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mova m6, [pw_4] ; mm6 = rnd >> 3
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SPLATW m5, m5 ; mm5 = B = x
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psubw m4, m5 ; mm4 = A = 8-x
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.next1drow
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movu m0, [r1 ] ; mm0 = src[0..7]
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movu m2, [r1+r6] ; mm2 = src[1..8]
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pmullw m0, m4 ; mm0 = A * src[0..7]
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pmullw m2, m5 ; mm2 = B * src[1..8]
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paddw m0, m6
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paddw m0, m2
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psrlw m0, 3
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CHROMAMC_AVG m0, [r0]
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mova [r0], m0 ; dst[0..7] = (A * src[0..7] + B * src[1..8] + (rnd >> 3)) >> 3
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add r0, r2
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add r1, r2
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dec r3d
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jne .next1drow
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REP_RET
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.xy_interpolation ; general case, bilinear
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movd m4, r4m ; x
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movd m6, r5m ; y
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SPLATW m4, m4 ; mm4 = x words
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SPLATW m6, m6 ; mm6 = y words
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psllw m5, m4, 3 ; mm5 = 8x
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pmullw m4, m6 ; mm4 = x * y
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psllw m6, 3 ; mm6 = 8y
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paddw m1, m5, m6 ; mm7 = 8x+8y
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mova m7, m4 ; DD = x * y
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psubw m5, m4 ; mm5 = B = 8x - xy
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psubw m6, m4 ; mm6 = C = 8y - xy
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paddw m4, [pw_64]
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psubw m4, m1 ; mm4 = A = xy - (8x+8y) + 64
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movu m0, [r1 ] ; mm0 = src[0..7]
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movu m1, [r1+2] ; mm1 = src[1..8]
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.next2drow
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add r1, r2
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pmullw m2, m0, m4
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pmullw m1, m5
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paddw m2, m1 ; mm2 = A * src[0..7] + B * src[1..8]
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movu m0, [r1]
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movu m1, [r1+2]
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pmullw m3, m0, m6
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paddw m2, m3 ; mm2 += C * src[0..7+strde]
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pmullw m3, m1, m7
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paddw m2, m3 ; mm2 += D * src[1..8+strde]
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paddw m2, [pw_32]
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psrlw m2, 6
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CHROMAMC_AVG m2, [r0]
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mova [r0], m2 ; dst[0..7] = (mm2 + 32) >> 6
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add r0, r2
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dec r3d
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jne .next2drow
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REP_RET
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%endmacro
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;-----------------------------------------------------------------------------
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; void put/avg_h264_chroma_mc4(pixel *dst, pixel *src, int stride, int h, int mx, int my)
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;-----------------------------------------------------------------------------
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;TODO: xmm mc4
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%macro MC4_OP 2
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movq %1, [r1 ]
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movq m1, [r1+2]
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add r1, r2
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pmullw %1, m4
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pmullw m1, m2
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paddw m1, %1
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mova %1, m1
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pmullw %2, m5
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pmullw m1, m3
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paddw %2, [pw_32]
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paddw m1, %2
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psrlw m1, 6
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CHROMAMC_AVG m1, %2, [r0]
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movq [r0], m1
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add r0, r2
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%endmacro
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%macro CHROMA_MC4 2
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cglobal %1_h264_chroma_mc4_10_%2, 6,6,7
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movsxdifnidn r2, r2d
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movd m2, r4m ; x
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movd m3, r5m ; y
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mova m4, [pw_8]
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mova m5, m4
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SPLATW m2, m2
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SPLATW m3, m3
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psubw m4, m2
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psubw m5, m3
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movq m0, [r1 ]
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movq m6, [r1+2]
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add r1, r2
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pmullw m0, m4
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pmullw m6, m2
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paddw m6, m0
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.next2rows
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MC4_OP m0, m6
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MC4_OP m6, m0
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sub r3d, 2
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jnz .next2rows
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REP_RET
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%endmacro
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;-----------------------------------------------------------------------------
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; void put/avg_h264_chroma_mc2(pixel *dst, pixel *src, int stride, int h, int mx, int my)
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;-----------------------------------------------------------------------------
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%macro CHROMA_MC2 2
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cglobal %1_h264_chroma_mc2_10_%2, 6,7
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movsxdifnidn r2, r2d
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mov r6d, r4d
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shl r4d, 16
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sub r4d, r6d
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add r4d, 8
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imul r5d, r4d ; x*y<<16 | y*(8-x)
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shl r4d, 3
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sub r4d, r5d ; x*(8-y)<<16 | (8-x)*(8-y)
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movd m5, r4d
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movd m6, r5d
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punpckldq m5, m5 ; mm5 = {A,B,A,B}
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punpckldq m6, m6 ; mm6 = {C,D,C,D}
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pxor m7, m7
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pshufw m2, [r1], 0x94 ; mm0 = src[0,1,1,2]
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.nextrow
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add r1, r2
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movq m1, m2
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pmaddwd m1, m5 ; mm1 = A * src[0,1] + B * src[1,2]
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pshufw m0, [r1], 0x94 ; mm0 = src[0,1,1,2]
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movq m2, m0
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pmaddwd m0, m6
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paddw m1, [pw_32]
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paddw m1, m0 ; mm1 += C * src[0,1] + D * src[1,2]
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psrlw m1, 6
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packssdw m1, m7
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CHROMAMC_AVG m1, m3, [r0]
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movd [r0], m1
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add r0, r2
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dec r3d
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jnz .nextrow
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REP_RET
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%endmacro
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%macro NOTHING 2-3
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%endmacro
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%macro AVG 2-3
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%if %0==3
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movq %2, %3
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%endif
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PAVG %1, %2
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%endmacro
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%define CHROMAMC_AVG NOTHING
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INIT_XMM
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CHROMA_MC8 put, sse2
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%ifdef HAVE_AVX
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INIT_AVX
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CHROMA_MC8 put, avx
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%endif
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INIT_MMX
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CHROMA_MC4 put, mmxext
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CHROMA_MC2 put, mmxext
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%define CHROMAMC_AVG AVG
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%define PAVG pavgw
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INIT_XMM
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CHROMA_MC8 avg, sse2
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%ifdef HAVE_AVX
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INIT_AVX
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CHROMA_MC8 avg, avx
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%endif
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INIT_MMX
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CHROMA_MC4 avg, mmxext
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CHROMA_MC2 avg, mmxext
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