libavcodec/x86/qpel.asm

   1 ;******************************************************************************
   2 ;* SIMD-optimized quarterpel functions
   3 ;* Copyright (c) 2008 Loren Merritt
   4 ;* Copyright (c) 2003-2013 Michael Niedermayer
   5 ;* Copyright (c) 2013 Daniel Kang
   6 ;*
   7 ;* This file is part of Libav.
   8 ;*
   9 ;* Libav is free software; you can redistribute it and/or
  10 ;* modify it under the terms of the GNU Lesser General Public
  11 ;* License as published by the Free Software Foundation; either
  12 ;* version 2.1 of the License, or (at your option) any later version.
  13 ;*
  14 ;* Libav is distributed in the hope that it will be useful,
  15 ;* but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 ;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17 ;* Lesser General Public License for more details.
  18 ;*
  19 ;* You should have received a copy of the GNU Lesser General Public
  20 ;* License along with Libav; if not, write to the Free Software
  21 ;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  22 ;******************************************************************************
  23
  24 %include "libavutil/x86/x86util.asm"
  25
  26 SECTION .text
  27
  28 %macro op_avgh 3
  29     movh   %3, %2
  30     pavgb  %1, %3
  31     movh   %2, %1
  32 %endmacro
  33
  34 %macro op_avg 2
  35     pavgb  %1, %2
  36     mova   %2, %1
  37 %endmacro
  38
  39 %macro op_puth 2-3
  40     movh   %2, %1
  41 %endmacro
  42
  43 %macro op_put 2
  44     mova   %2, %1
  45 %endmacro
  46
  47 ; void ff_put/avg_pixels4_l2_mmxext(uint8_t *dst, uint8_t *src1, uint8_t *src2,
  48 ;                                   int dstStride, int src1Stride, int h)
  49 %macro PIXELS4_L2 1
  50 %define OP op_%1h
  51 cglobal %1_pixels4_l2, 6,6
  52     movsxdifnidn r3, r3d
  53     movsxdifnidn r4, r4d
  54     test        r5d, 1
  55     je        .loop
  56     movd         m0, [r1]
  57     movd         m1, [r2]
  58     add          r1, r4
  59     add          r2, 4
  60     pavgb        m0, m1
  61     OP           m0, [r0], m3
  62     add          r0, r3
  63     dec         r5d
  64 .loop:
  65     mova         m0, [r1]
  66     mova         m1, [r1+r4]
  67     lea          r1, [r1+2*r4]
  68     pavgb        m0, [r2]
  69     pavgb        m1, [r2+4]
  70     OP           m0, [r0], m3
  71     OP           m1, [r0+r3], m3
  72     lea          r0, [r0+2*r3]
  73     mova         m0, [r1]
  74     mova         m1, [r1+r4]
  75     lea          r1, [r1+2*r4]
  76     pavgb        m0, [r2+8]
  77     pavgb        m1, [r2+12]
  78     OP           m0, [r0], m3
  79     OP           m1, [r0+r3], m3
  80     lea          r0, [r0+2*r3]
  81     add          r2, 16
  82     sub         r5d, 4
  83     jne       .loop
  84     REP_RET
  85 %endmacro
  86
  87 INIT_MMX mmxext
  88 PIXELS4_L2 put
  89 PIXELS4_L2 avg
  90
  91 ; void ff_put/avg_pixels8_l2_mmxext(uint8_t *dst, uint8_t *src1, uint8_t *src2,
  92 ;                                   int dstStride, int src1Stride, int h)
  93 %macro PIXELS8_L2 1
  94 %define OP op_%1
  95 cglobal %1_pixels8_l2, 6,6
  96     movsxdifnidn r3, r3d
  97     movsxdifnidn r4, r4d
  98     test        r5d, 1
  99     je        .loop
 100     mova         m0, [r1]
 101     mova         m1, [r2]
 102     add          r1, r4
 103     add          r2, 8
 104     pavgb        m0, m1
 105     OP           m0, [r0]
 106     add          r0, r3
 107     dec         r5d
 108 .loop:
 109     mova         m0, [r1]
 110     mova         m1, [r1+r4]
 111     lea          r1, [r1+2*r4]
 112     pavgb        m0, [r2]
 113     pavgb        m1, [r2+8]
 114     OP           m0, [r0]
 115     OP           m1, [r0+r3]
 116     lea          r0, [r0+2*r3]
 117     mova         m0, [r1]
 118     mova         m1, [r1+r4]
 119     lea          r1, [r1+2*r4]
 120     pavgb        m0, [r2+16]
 121     pavgb        m1, [r2+24]
 122     OP           m0, [r0]
 123     OP           m1, [r0+r3]
 124     lea          r0, [r0+2*r3]
 125     add          r2, 32
 126     sub         r5d, 4
 127     jne       .loop
 128     REP_RET
 129 %endmacro
 130
 131 INIT_MMX mmxext
 132 PIXELS8_L2 put
 133 PIXELS8_L2 avg
 134
 135 ; void ff_put/avg_pixels16_l2_mmxext(uint8_t *dst, uint8_t *src1, uint8_t *src2,
 136 ;                                    int dstStride, int src1Stride, int h)
 137 %macro PIXELS16_L2 1
 138 %define OP op_%1
 139 cglobal %1_pixels16_l2, 6,6
 140     movsxdifnidn r3, r3d
 141     movsxdifnidn r4, r4d
 142     test        r5d, 1
 143     je        .loop
 144     mova         m0, [r1]
 145     mova         m1, [r1+8]
 146     pavgb        m0, [r2]
 147     pavgb        m1, [r2+8]
 148     add          r1, r4
 149     add          r2, 16
 150     OP           m0, [r0]
 151     OP           m1, [r0+8]
 152     add          r0, r3
 153     dec         r5d
 154 .loop:
 155     mova         m0, [r1]
 156     mova         m1, [r1+8]
 157     add          r1, r4
 158     pavgb        m0, [r2]
 159     pavgb        m1, [r2+8]
 160     OP           m0, [r0]
 161     OP           m1, [r0+8]
 162     add          r0, r3
 163     mova         m0, [r1]
 164     mova         m1, [r1+8]
 165     add          r1, r4
 166     pavgb        m0, [r2+16]
 167     pavgb        m1, [r2+24]
 168     OP           m0, [r0]
 169     OP           m1, [r0+8]
 170     add          r0, r3
 171     add          r2, 32
 172     sub         r5d, 2
 173     jne       .loop
 174     REP_RET
 175 %endmacro
 176
 177 INIT_MMX mmxext
 178 PIXELS16_L2 put
 179 PIXELS16_L2 avg