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ffmpeg / libavcodec / i386 / dsputil_mmx_avg.h @ 755bfeab

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/*
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 * DSP utils : average functions are compiled twice for 3dnow/mmx2
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 * Copyright (c) 2000, 2001 Fabrice Bellard.
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 * Copyright (c) 2002-2004 Michael Niedermayer
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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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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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 *
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 * MMX optimization by Nick Kurshev <nickols_k@mail.ru>
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 * mostly rewritten by Michael Niedermayer <michaelni@gmx.at>
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 * and improved by Zdenek Kabelac <kabi@users.sf.net>
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 */
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/* XXX: we use explicit registers to avoid a gcc 2.95.2 register asm
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   clobber bug - now it will work with 2.95.2 and also with -fPIC
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 */
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static void DEF(put_pixels8_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
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{
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    __asm __volatile(
33
        "lea (%3, %3), %%"REG_a"        \n\t"
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        "1:                             \n\t"
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        "movq (%1), %%mm0               \n\t"
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        "movq (%1, %3), %%mm1           \n\t"
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        PAVGB" 1(%1), %%mm0             \n\t"
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        PAVGB" 1(%1, %3), %%mm1         \n\t"
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        "movq %%mm0, (%2)               \n\t"
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        "movq %%mm1, (%2, %3)           \n\t"
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        "add %%"REG_a", %1              \n\t"
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        "add %%"REG_a", %2              \n\t"
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        "movq (%1), %%mm0               \n\t"
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        "movq (%1, %3), %%mm1           \n\t"
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        PAVGB" 1(%1), %%mm0             \n\t"
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        PAVGB" 1(%1, %3), %%mm1         \n\t"
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        "add %%"REG_a", %1              \n\t"
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        "movq %%mm0, (%2)               \n\t"
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        "movq %%mm1, (%2, %3)           \n\t"
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        "add %%"REG_a", %2              \n\t"
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        "subl $4, %0                    \n\t"
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        "jnz 1b                         \n\t"
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        :"+g"(h), "+S"(pixels), "+D"(block)
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        :"r" ((long)line_size)
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        :"%"REG_a, "memory");
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}
57

    
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static void DEF(put_pixels4_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
59
{
60
    __asm __volatile(
61
        "testl $1, %0                   \n\t"
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            " jz 1f                     \n\t"
63
        "movd   (%1), %%mm0             \n\t"
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        "movd   (%2), %%mm1             \n\t"
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        "add    %4, %1                  \n\t"
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        "add    $4, %2                  \n\t"
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        PAVGB" %%mm1, %%mm0             \n\t"
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        "movd   %%mm0, (%3)             \n\t"
69
        "add    %5, %3                  \n\t"
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        "decl   %0                      \n\t"
71
        "1:                             \n\t"
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        "movd   (%1), %%mm0             \n\t"
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        "add    %4, %1                  \n\t"
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        "movd   (%1), %%mm1             \n\t"
75
        "movd   (%2), %%mm2             \n\t"
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        "movd   4(%2), %%mm3            \n\t"
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        "add    %4, %1                  \n\t"
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        PAVGB" %%mm2, %%mm0             \n\t"
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        PAVGB" %%mm3, %%mm1             \n\t"
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        "movd   %%mm0, (%3)             \n\t"
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        "add    %5, %3                  \n\t"
82
        "movd   %%mm1, (%3)             \n\t"
83
        "add    %5, %3                  \n\t"
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        "movd   (%1), %%mm0             \n\t"
85
        "add    %4, %1                  \n\t"
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        "movd   (%1), %%mm1             \n\t"
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        "movd   8(%2), %%mm2            \n\t"
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        "movd   12(%2), %%mm3           \n\t"
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        "add    %4, %1                  \n\t"
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        PAVGB" %%mm2, %%mm0             \n\t"
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        PAVGB" %%mm3, %%mm1             \n\t"
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        "movd   %%mm0, (%3)             \n\t"
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        "add    %5, %3                  \n\t"
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        "movd   %%mm1, (%3)             \n\t"
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        "add    %5, %3                  \n\t"
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        "add    $16, %2                 \n\t"
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        "subl   $4, %0                  \n\t"
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        "jnz    1b                      \n\t"
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#ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cannot be used
100
        :"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
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#else
102
        :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
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#endif
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        :"S"((long)src1Stride), "D"((long)dstStride)
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        :"memory");
106
}
107

    
108

    
109
static void DEF(put_pixels8_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
110
{
111
    __asm __volatile(
112
        "testl $1, %0                   \n\t"
113
            " jz 1f                     \n\t"
114
        "movq   (%1), %%mm0             \n\t"
115
        "movq   (%2), %%mm1             \n\t"
116
        "add    %4, %1                  \n\t"
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        "add    $8, %2                  \n\t"
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        PAVGB" %%mm1, %%mm0             \n\t"
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        "movq   %%mm0, (%3)             \n\t"
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        "add    %5, %3                  \n\t"
121
        "decl   %0                      \n\t"
122
        "1:                             \n\t"
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        "movq   (%1), %%mm0             \n\t"
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        "add    %4, %1                  \n\t"
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        "movq   (%1), %%mm1             \n\t"
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        "add    %4, %1                  \n\t"
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        PAVGB" (%2), %%mm0              \n\t"
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        PAVGB" 8(%2), %%mm1             \n\t"
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        "movq   %%mm0, (%3)             \n\t"
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        "add    %5, %3                  \n\t"
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        "movq   %%mm1, (%3)             \n\t"
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        "add    %5, %3                  \n\t"
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        "movq   (%1), %%mm0             \n\t"
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        "add    %4, %1                  \n\t"
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        "movq   (%1), %%mm1             \n\t"
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        "add    %4, %1                  \n\t"
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        PAVGB" 16(%2), %%mm0            \n\t"
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        PAVGB" 24(%2), %%mm1            \n\t"
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        "movq   %%mm0, (%3)             \n\t"
140
        "add    %5, %3                  \n\t"
141
        "movq   %%mm1, (%3)             \n\t"
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        "add    %5, %3                  \n\t"
143
        "add    $32, %2                 \n\t"
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        "subl   $4, %0                  \n\t"
145
        "jnz    1b                      \n\t"
146
#ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cannot be used
147
        :"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
148
#else
149
        :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
150
#endif
151
        :"S"((long)src1Stride), "D"((long)dstStride)
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        :"memory");
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//the following should be used, though better not with gcc ...
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/*        :"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
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        :"r"(src1Stride), "r"(dstStride)
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        :"memory");*/
157
}
158

    
159
static void DEF(put_no_rnd_pixels8_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
160
{
161
    __asm __volatile(
162
        "pcmpeqb %%mm6, %%mm6           \n\t"
163
        "testl $1, %0                   \n\t"
164
            " jz 1f                     \n\t"
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        "movq   (%1), %%mm0             \n\t"
166
        "movq   (%2), %%mm1             \n\t"
167
        "add    %4, %1                  \n\t"
168
        "add    $8, %2                  \n\t"
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        "pxor %%mm6, %%mm0              \n\t"
170
        "pxor %%mm6, %%mm1              \n\t"
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        PAVGB" %%mm1, %%mm0             \n\t"
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        "pxor %%mm6, %%mm0              \n\t"
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        "movq   %%mm0, (%3)             \n\t"
174
        "add    %5, %3                  \n\t"
175
        "decl   %0                      \n\t"
176
        "1:                             \n\t"
177
        "movq   (%1), %%mm0             \n\t"
178
        "add    %4, %1                  \n\t"
179
        "movq   (%1), %%mm1             \n\t"
180
        "add    %4, %1                  \n\t"
181
        "movq   (%2), %%mm2             \n\t"
182
        "movq   8(%2), %%mm3            \n\t"
183
        "pxor %%mm6, %%mm0              \n\t"
184
        "pxor %%mm6, %%mm1              \n\t"
185
        "pxor %%mm6, %%mm2              \n\t"
186
        "pxor %%mm6, %%mm3              \n\t"
187
        PAVGB" %%mm2, %%mm0             \n\t"
188
        PAVGB" %%mm3, %%mm1             \n\t"
189
        "pxor %%mm6, %%mm0              \n\t"
190
        "pxor %%mm6, %%mm1              \n\t"
191
        "movq   %%mm0, (%3)             \n\t"
192
        "add    %5, %3                  \n\t"
193
        "movq   %%mm1, (%3)             \n\t"
194
        "add    %5, %3                  \n\t"
195
        "movq   (%1), %%mm0             \n\t"
196
        "add    %4, %1                  \n\t"
197
        "movq   (%1), %%mm1             \n\t"
198
        "add    %4, %1                  \n\t"
199
        "movq   16(%2), %%mm2           \n\t"
200
        "movq   24(%2), %%mm3           \n\t"
201
        "pxor %%mm6, %%mm0              \n\t"
202
        "pxor %%mm6, %%mm1              \n\t"
203
        "pxor %%mm6, %%mm2              \n\t"
204
        "pxor %%mm6, %%mm3              \n\t"
205
        PAVGB" %%mm2, %%mm0             \n\t"
206
        PAVGB" %%mm3, %%mm1             \n\t"
207
        "pxor %%mm6, %%mm0              \n\t"
208
        "pxor %%mm6, %%mm1              \n\t"
209
        "movq   %%mm0, (%3)             \n\t"
210
        "add    %5, %3                  \n\t"
211
        "movq   %%mm1, (%3)             \n\t"
212
        "add    %5, %3                  \n\t"
213
        "add    $32, %2                 \n\t"
214
        "subl   $4, %0                  \n\t"
215
        "jnz    1b                      \n\t"
216
#ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cannot be used
217
        :"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
218
#else
219
        :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
220
#endif
221
        :"S"((long)src1Stride), "D"((long)dstStride)
222
        :"memory");
223
//the following should be used, though better not with gcc ...
224
/*        :"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
225
        :"r"(src1Stride), "r"(dstStride)
226
        :"memory");*/
227
}
228

    
229
static void DEF(avg_pixels4_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
230
{
231
    __asm __volatile(
232
        "testl $1, %0                   \n\t"
233
            " jz 1f                     \n\t"
234
        "movd   (%1), %%mm0             \n\t"
235
        "movd   (%2), %%mm1             \n\t"
236
        "add    %4, %1                  \n\t"
237
        "add    $4, %2                  \n\t"
238
        PAVGB" %%mm1, %%mm0             \n\t"
239
        PAVGB" (%3), %%mm0              \n\t"
240
        "movd   %%mm0, (%3)             \n\t"
241
        "add    %5, %3                  \n\t"
242
        "decl   %0                      \n\t"
243
        "1:                             \n\t"
244
        "movd   (%1), %%mm0             \n\t"
245
        "add    %4, %1                  \n\t"
246
        "movd   (%1), %%mm1             \n\t"
247
        "add    %4, %1                  \n\t"
248
        PAVGB" (%2), %%mm0              \n\t"
249
        PAVGB" 4(%2), %%mm1             \n\t"
250
        PAVGB" (%3), %%mm0              \n\t"
251
        "movd   %%mm0, (%3)             \n\t"
252
        "add    %5, %3                  \n\t"
253
        PAVGB" (%3), %%mm1              \n\t"
254
        "movd   %%mm1, (%3)             \n\t"
255
        "add    %5, %3                  \n\t"
256
        "movd   (%1), %%mm0             \n\t"
257
        "add    %4, %1                  \n\t"
258
        "movd   (%1), %%mm1             \n\t"
259
        "add    %4, %1                  \n\t"
260
        PAVGB" 8(%2), %%mm0             \n\t"
261
        PAVGB" 12(%2), %%mm1            \n\t"
262
        PAVGB" (%3), %%mm0              \n\t"
263
        "movd   %%mm0, (%3)             \n\t"
264
        "add    %5, %3                  \n\t"
265
        PAVGB" (%3), %%mm1              \n\t"
266
        "movd   %%mm1, (%3)             \n\t"
267
        "add    %5, %3                  \n\t"
268
        "add    $16, %2                 \n\t"
269
        "subl   $4, %0                  \n\t"
270
        "jnz    1b                      \n\t"
271
#ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cannot be used
272
        :"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
273
#else
274
        :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
275
#endif
276
        :"S"((long)src1Stride), "D"((long)dstStride)
277
        :"memory");
278
}
279

    
280

    
281
static void DEF(avg_pixels8_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
282
{
283
    __asm __volatile(
284
        "testl $1, %0                   \n\t"
285
            " jz 1f                     \n\t"
286
        "movq   (%1), %%mm0             \n\t"
287
        "movq   (%2), %%mm1             \n\t"
288
        "add    %4, %1                  \n\t"
289
        "add    $8, %2                  \n\t"
290
        PAVGB" %%mm1, %%mm0             \n\t"
291
        PAVGB" (%3), %%mm0              \n\t"
292
        "movq   %%mm0, (%3)             \n\t"
293
        "add    %5, %3                  \n\t"
294
        "decl   %0                      \n\t"
295
        "1:                             \n\t"
296
        "movq   (%1), %%mm0             \n\t"
297
        "add    %4, %1                  \n\t"
298
        "movq   (%1), %%mm1             \n\t"
299
        "add    %4, %1                  \n\t"
300
        PAVGB" (%2), %%mm0              \n\t"
301
        PAVGB" 8(%2), %%mm1             \n\t"
302
        PAVGB" (%3), %%mm0              \n\t"
303
        "movq   %%mm0, (%3)             \n\t"
304
        "add    %5, %3                  \n\t"
305
        PAVGB" (%3), %%mm1              \n\t"
306
        "movq   %%mm1, (%3)             \n\t"
307
        "add    %5, %3                  \n\t"
308
        "movq   (%1), %%mm0             \n\t"
309
        "add    %4, %1                  \n\t"
310
        "movq   (%1), %%mm1             \n\t"
311
        "add    %4, %1                  \n\t"
312
        PAVGB" 16(%2), %%mm0            \n\t"
313
        PAVGB" 24(%2), %%mm1            \n\t"
314
        PAVGB" (%3), %%mm0              \n\t"
315
        "movq   %%mm0, (%3)             \n\t"
316
        "add    %5, %3                  \n\t"
317
        PAVGB" (%3), %%mm1              \n\t"
318
        "movq   %%mm1, (%3)             \n\t"
319
        "add    %5, %3                  \n\t"
320
        "add    $32, %2                 \n\t"
321
        "subl   $4, %0                  \n\t"
322
        "jnz    1b                      \n\t"
323
#ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cannot be used
324
        :"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
325
#else
326
        :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
327
#endif
328
        :"S"((long)src1Stride), "D"((long)dstStride)
329
        :"memory");
330
//the following should be used, though better not with gcc ...
331
/*        :"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
332
        :"r"(src1Stride), "r"(dstStride)
333
        :"memory");*/
334
}
335

    
336
static void DEF(put_pixels16_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
337
{
338
    __asm __volatile(
339
        "lea (%3, %3), %%"REG_a"        \n\t"
340
        "1:                             \n\t"
341
        "movq (%1), %%mm0               \n\t"
342
        "movq (%1, %3), %%mm1           \n\t"
343
        "movq 8(%1), %%mm2              \n\t"
344
        "movq 8(%1, %3), %%mm3          \n\t"
345
        PAVGB" 1(%1), %%mm0             \n\t"
346
        PAVGB" 1(%1, %3), %%mm1         \n\t"
347
        PAVGB" 9(%1), %%mm2             \n\t"
348
        PAVGB" 9(%1, %3), %%mm3         \n\t"
349
        "movq %%mm0, (%2)               \n\t"
350
        "movq %%mm1, (%2, %3)           \n\t"
351
        "movq %%mm2, 8(%2)              \n\t"
352
        "movq %%mm3, 8(%2, %3)          \n\t"
353
        "add %%"REG_a", %1              \n\t"
354
        "add %%"REG_a", %2              \n\t"
355
        "movq (%1), %%mm0               \n\t"
356
        "movq (%1, %3), %%mm1           \n\t"
357
        "movq 8(%1), %%mm2              \n\t"
358
        "movq 8(%1, %3), %%mm3          \n\t"
359
        PAVGB" 1(%1), %%mm0             \n\t"
360
        PAVGB" 1(%1, %3), %%mm1         \n\t"
361
        PAVGB" 9(%1), %%mm2             \n\t"
362
        PAVGB" 9(%1, %3), %%mm3         \n\t"
363
        "add %%"REG_a", %1              \n\t"
364
        "movq %%mm0, (%2)               \n\t"
365
        "movq %%mm1, (%2, %3)           \n\t"
366
        "movq %%mm2, 8(%2)              \n\t"
367
        "movq %%mm3, 8(%2, %3)          \n\t"
368
        "add %%"REG_a", %2              \n\t"
369
        "subl $4, %0                    \n\t"
370
        "jnz 1b                         \n\t"
371
        :"+g"(h), "+S"(pixels), "+D"(block)
372
        :"r" ((long)line_size)
373
        :"%"REG_a, "memory");
374
}
375

    
376
static void DEF(put_pixels16_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
377
{
378
    __asm __volatile(
379
        "testl $1, %0                   \n\t"
380
            " jz 1f                     \n\t"
381
        "movq   (%1), %%mm0             \n\t"
382
        "movq   8(%1), %%mm1            \n\t"
383
        PAVGB" (%2), %%mm0              \n\t"
384
        PAVGB" 8(%2), %%mm1             \n\t"
385
        "add    %4, %1                  \n\t"
386
        "add    $16, %2                 \n\t"
387
        "movq   %%mm0, (%3)             \n\t"
388
        "movq   %%mm1, 8(%3)            \n\t"
389
        "add    %5, %3                  \n\t"
390
        "decl   %0                      \n\t"
391
        "1:                             \n\t"
392
        "movq   (%1), %%mm0             \n\t"
393
        "movq   8(%1), %%mm1            \n\t"
394
        "add    %4, %1                  \n\t"
395
        PAVGB" (%2), %%mm0              \n\t"
396
        PAVGB" 8(%2), %%mm1             \n\t"
397
        "movq   %%mm0, (%3)             \n\t"
398
        "movq   %%mm1, 8(%3)            \n\t"
399
        "add    %5, %3                  \n\t"
400
        "movq   (%1), %%mm0             \n\t"
401
        "movq   8(%1), %%mm1            \n\t"
402
        "add    %4, %1                  \n\t"
403
        PAVGB" 16(%2), %%mm0            \n\t"
404
        PAVGB" 24(%2), %%mm1            \n\t"
405
        "movq   %%mm0, (%3)             \n\t"
406
        "movq   %%mm1, 8(%3)            \n\t"
407
        "add    %5, %3                  \n\t"
408
        "add    $32, %2                 \n\t"
409
        "subl   $2, %0                  \n\t"
410
        "jnz    1b                      \n\t"
411
#ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cannot be used
412
        :"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
413
#else
414
        :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
415
#endif
416
        :"S"((long)src1Stride), "D"((long)dstStride)
417
        :"memory");
418
//the following should be used, though better not with gcc ...
419
/*        :"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
420
        :"r"(src1Stride), "r"(dstStride)
421
        :"memory");*/
422
}
423

    
424
static void DEF(avg_pixels16_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
425
{
426
    __asm __volatile(
427
        "testl $1, %0                   \n\t"
428
            " jz 1f                     \n\t"
429
        "movq   (%1), %%mm0             \n\t"
430
        "movq   8(%1), %%mm1            \n\t"
431
        PAVGB" (%2), %%mm0              \n\t"
432
        PAVGB" 8(%2), %%mm1             \n\t"
433
        "add    %4, %1                  \n\t"
434
        "add    $16, %2                 \n\t"
435
        PAVGB" (%3), %%mm0              \n\t"
436
        PAVGB" 8(%3), %%mm1             \n\t"
437
        "movq   %%mm0, (%3)             \n\t"
438
        "movq   %%mm1, 8(%3)            \n\t"
439
        "add    %5, %3                  \n\t"
440
        "decl   %0                      \n\t"
441
        "1:                             \n\t"
442
        "movq   (%1), %%mm0             \n\t"
443
        "movq   8(%1), %%mm1            \n\t"
444
        "add    %4, %1                  \n\t"
445
        PAVGB" (%2), %%mm0              \n\t"
446
        PAVGB" 8(%2), %%mm1             \n\t"
447
        PAVGB" (%3), %%mm0              \n\t"
448
        PAVGB" 8(%3), %%mm1             \n\t"
449
        "movq   %%mm0, (%3)             \n\t"
450
        "movq   %%mm1, 8(%3)            \n\t"
451
        "add    %5, %3                  \n\t"
452
        "movq   (%1), %%mm0             \n\t"
453
        "movq   8(%1), %%mm1            \n\t"
454
        "add    %4, %1                  \n\t"
455
        PAVGB" 16(%2), %%mm0            \n\t"
456
        PAVGB" 24(%2), %%mm1            \n\t"
457
        PAVGB" (%3), %%mm0              \n\t"
458
        PAVGB" 8(%3), %%mm1             \n\t"
459
        "movq   %%mm0, (%3)             \n\t"
460
        "movq   %%mm1, 8(%3)            \n\t"
461
        "add    %5, %3                  \n\t"
462
        "add    $32, %2                 \n\t"
463
        "subl   $2, %0                  \n\t"
464
        "jnz    1b                      \n\t"
465
#ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cannot be used
466
        :"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
467
#else
468
        :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
469
#endif
470
        :"S"((long)src1Stride), "D"((long)dstStride)
471
        :"memory");
472
//the following should be used, though better not with gcc ...
473
/*        :"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
474
        :"r"(src1Stride), "r"(dstStride)
475
        :"memory");*/
476
}
477

    
478
static void DEF(put_no_rnd_pixels16_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
479
{
480
    __asm __volatile(
481
        "pcmpeqb %%mm6, %%mm6           \n\t"
482
        "testl $1, %0                   \n\t"
483
            " jz 1f                     \n\t"
484
        "movq   (%1), %%mm0             \n\t"
485
        "movq   8(%1), %%mm1            \n\t"
486
        "movq   (%2), %%mm2             \n\t"
487
        "movq   8(%2), %%mm3            \n\t"
488
        "pxor %%mm6, %%mm0              \n\t"
489
        "pxor %%mm6, %%mm1              \n\t"
490
        "pxor %%mm6, %%mm2              \n\t"
491
        "pxor %%mm6, %%mm3              \n\t"
492
        PAVGB" %%mm2, %%mm0             \n\t"
493
        PAVGB" %%mm3, %%mm1             \n\t"
494
        "pxor %%mm6, %%mm0              \n\t"
495
        "pxor %%mm6, %%mm1              \n\t"
496
        "add    %4, %1                  \n\t"
497
        "add    $16, %2                 \n\t"
498
        "movq   %%mm0, (%3)             \n\t"
499
        "movq   %%mm1, 8(%3)            \n\t"
500
        "add    %5, %3                  \n\t"
501
        "decl   %0                      \n\t"
502
        "1:                             \n\t"
503
        "movq   (%1), %%mm0             \n\t"
504
        "movq   8(%1), %%mm1            \n\t"
505
        "add    %4, %1                  \n\t"
506
        "movq   (%2), %%mm2             \n\t"
507
        "movq   8(%2), %%mm3            \n\t"
508
        "pxor %%mm6, %%mm0              \n\t"
509
        "pxor %%mm6, %%mm1              \n\t"
510
        "pxor %%mm6, %%mm2              \n\t"
511
        "pxor %%mm6, %%mm3              \n\t"
512
        PAVGB" %%mm2, %%mm0             \n\t"
513
        PAVGB" %%mm3, %%mm1             \n\t"
514
        "pxor %%mm6, %%mm0              \n\t"
515
        "pxor %%mm6, %%mm1              \n\t"
516
        "movq   %%mm0, (%3)             \n\t"
517
        "movq   %%mm1, 8(%3)            \n\t"
518
        "add    %5, %3                  \n\t"
519
        "movq   (%1), %%mm0             \n\t"
520
        "movq   8(%1), %%mm1            \n\t"
521
        "add    %4, %1                  \n\t"
522
        "movq   16(%2), %%mm2           \n\t"
523
        "movq   24(%2), %%mm3           \n\t"
524
        "pxor %%mm6, %%mm0              \n\t"
525
        "pxor %%mm6, %%mm1              \n\t"
526
        "pxor %%mm6, %%mm2              \n\t"
527
        "pxor %%mm6, %%mm3              \n\t"
528
        PAVGB" %%mm2, %%mm0             \n\t"
529
        PAVGB" %%mm3, %%mm1             \n\t"
530
        "pxor %%mm6, %%mm0              \n\t"
531
        "pxor %%mm6, %%mm1              \n\t"
532
        "movq   %%mm0, (%3)             \n\t"
533
        "movq   %%mm1, 8(%3)            \n\t"
534
        "add    %5, %3                  \n\t"
535
        "add    $32, %2                 \n\t"
536
        "subl   $2, %0                  \n\t"
537
        "jnz    1b                      \n\t"
538
#ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cannot be used
539
        :"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
540
#else
541
        :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
542
#endif
543
        :"S"((long)src1Stride), "D"((long)dstStride)
544
        :"memory");
545
//the following should be used, though better not with gcc ...
546
/*        :"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
547
        :"r"(src1Stride), "r"(dstStride)
548
        :"memory");*/
549
}
550

    
551
/* GL: this function does incorrect rounding if overflow */
552
static void DEF(put_no_rnd_pixels8_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
553
{
554
    MOVQ_BONE(mm6);
555
    __asm __volatile(
556
        "lea (%3, %3), %%"REG_a"        \n\t"
557
        "1:                             \n\t"
558
        "movq (%1), %%mm0               \n\t"
559
        "movq (%1, %3), %%mm2           \n\t"
560
        "movq 1(%1), %%mm1              \n\t"
561
        "movq 1(%1, %3), %%mm3          \n\t"
562
        "add %%"REG_a", %1              \n\t"
563
        "psubusb %%mm6, %%mm0           \n\t"
564
        "psubusb %%mm6, %%mm2           \n\t"
565
        PAVGB" %%mm1, %%mm0             \n\t"
566
        PAVGB" %%mm3, %%mm2             \n\t"
567
        "movq %%mm0, (%2)               \n\t"
568
        "movq %%mm2, (%2, %3)           \n\t"
569
        "movq (%1), %%mm0               \n\t"
570
        "movq 1(%1), %%mm1              \n\t"
571
        "movq (%1, %3), %%mm2           \n\t"
572
        "movq 1(%1, %3), %%mm3          \n\t"
573
        "add %%"REG_a", %2              \n\t"
574
        "add %%"REG_a", %1              \n\t"
575
        "psubusb %%mm6, %%mm0           \n\t"
576
        "psubusb %%mm6, %%mm2           \n\t"
577
        PAVGB" %%mm1, %%mm0             \n\t"
578
        PAVGB" %%mm3, %%mm2             \n\t"
579
        "movq %%mm0, (%2)               \n\t"
580
        "movq %%mm2, (%2, %3)           \n\t"
581
        "add %%"REG_a", %2              \n\t"
582
        "subl $4, %0                    \n\t"
583
        "jnz 1b                         \n\t"
584
        :"+g"(h), "+S"(pixels), "+D"(block)
585
        :"r" ((long)line_size)
586
        :"%"REG_a, "memory");
587
}
588

    
589
static void DEF(put_pixels8_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
590
{
591
    __asm __volatile(
592
        "lea (%3, %3), %%"REG_a"        \n\t"
593
        "movq (%1), %%mm0               \n\t"
594
        "sub %3, %2                     \n\t"
595
        "1:                             \n\t"
596
        "movq (%1, %3), %%mm1           \n\t"
597
        "movq (%1, %%"REG_a"), %%mm2    \n\t"
598
        "add %%"REG_a", %1              \n\t"
599
        PAVGB" %%mm1, %%mm0             \n\t"
600
        PAVGB" %%mm2, %%mm1             \n\t"
601
        "movq %%mm0, (%2, %3)           \n\t"
602
        "movq %%mm1, (%2, %%"REG_a")    \n\t"
603
        "movq (%1, %3), %%mm1           \n\t"
604
        "movq (%1, %%"REG_a"), %%mm0    \n\t"
605
        "add %%"REG_a", %2              \n\t"
606
        "add %%"REG_a", %1              \n\t"
607
        PAVGB" %%mm1, %%mm2             \n\t"
608
        PAVGB" %%mm0, %%mm1             \n\t"
609
        "movq %%mm2, (%2, %3)           \n\t"
610
        "movq %%mm1, (%2, %%"REG_a")    \n\t"
611
        "add %%"REG_a", %2              \n\t"
612
        "subl $4, %0                    \n\t"
613
        "jnz 1b                         \n\t"
614
        :"+g"(h), "+S"(pixels), "+D" (block)
615
        :"r" ((long)line_size)
616
        :"%"REG_a, "memory");
617
}
618

    
619
/* GL: this function does incorrect rounding if overflow */
620
static void DEF(put_no_rnd_pixels8_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
621
{
622
    MOVQ_BONE(mm6);
623
    __asm __volatile(
624
        "lea (%3, %3), %%"REG_a"        \n\t"
625
        "movq (%1), %%mm0               \n\t"
626
        "sub %3, %2                     \n\t"
627
        "1:                             \n\t"
628
        "movq (%1, %3), %%mm1           \n\t"
629
        "movq (%1, %%"REG_a"), %%mm2    \n\t"
630
        "add %%"REG_a", %1              \n\t"
631
        "psubusb %%mm6, %%mm1           \n\t"
632
        PAVGB" %%mm1, %%mm0             \n\t"
633
        PAVGB" %%mm2, %%mm1             \n\t"
634
        "movq %%mm0, (%2, %3)           \n\t"
635
        "movq %%mm1, (%2, %%"REG_a")    \n\t"
636
        "movq (%1, %3), %%mm1           \n\t"
637
        "movq (%1, %%"REG_a"), %%mm0    \n\t"
638
        "add %%"REG_a", %2              \n\t"
639
        "add %%"REG_a", %1              \n\t"
640
        "psubusb %%mm6, %%mm1           \n\t"
641
        PAVGB" %%mm1, %%mm2             \n\t"
642
        PAVGB" %%mm0, %%mm1             \n\t"
643
        "movq %%mm2, (%2, %3)           \n\t"
644
        "movq %%mm1, (%2, %%"REG_a")    \n\t"
645
        "add %%"REG_a", %2              \n\t"
646
        "subl $4, %0                    \n\t"
647
        "jnz 1b                         \n\t"
648
        :"+g"(h), "+S"(pixels), "+D" (block)
649
        :"r" ((long)line_size)
650
        :"%"REG_a, "memory");
651
}
652

    
653
static void DEF(avg_pixels8)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
654
{
655
    __asm __volatile(
656
        "lea (%3, %3), %%"REG_a"        \n\t"
657
        "1:                             \n\t"
658
        "movq (%2), %%mm0               \n\t"
659
        "movq (%2, %3), %%mm1           \n\t"
660
        PAVGB" (%1), %%mm0              \n\t"
661
        PAVGB" (%1, %3), %%mm1          \n\t"
662
        "movq %%mm0, (%2)               \n\t"
663
        "movq %%mm1, (%2, %3)           \n\t"
664
        "add %%"REG_a", %1              \n\t"
665
        "add %%"REG_a", %2              \n\t"
666
        "movq (%2), %%mm0               \n\t"
667
        "movq (%2, %3), %%mm1           \n\t"
668
        PAVGB" (%1), %%mm0              \n\t"
669
        PAVGB" (%1, %3), %%mm1          \n\t"
670
        "add %%"REG_a", %1              \n\t"
671
        "movq %%mm0, (%2)               \n\t"
672
        "movq %%mm1, (%2, %3)           \n\t"
673
        "add %%"REG_a", %2              \n\t"
674
        "subl $4, %0                    \n\t"
675
        "jnz 1b                         \n\t"
676
        :"+g"(h), "+S"(pixels), "+D"(block)
677
        :"r" ((long)line_size)
678
        :"%"REG_a, "memory");
679
}
680

    
681
static void DEF(avg_pixels8_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
682
{
683
    __asm __volatile(
684
        "lea (%3, %3), %%"REG_a"        \n\t"
685
        "1:                             \n\t"
686
        "movq (%1), %%mm0               \n\t"
687
        "movq (%1, %3), %%mm2           \n\t"
688
        PAVGB" 1(%1), %%mm0             \n\t"
689
        PAVGB" 1(%1, %3), %%mm2         \n\t"
690
        PAVGB" (%2), %%mm0              \n\t"
691
        PAVGB" (%2, %3), %%mm2          \n\t"
692
        "add %%"REG_a", %1              \n\t"
693
        "movq %%mm0, (%2)               \n\t"
694
        "movq %%mm2, (%2, %3)           \n\t"
695
        "movq (%1), %%mm0               \n\t"
696
        "movq (%1, %3), %%mm2           \n\t"
697
        PAVGB" 1(%1), %%mm0             \n\t"
698
        PAVGB" 1(%1, %3), %%mm2         \n\t"
699
        "add %%"REG_a", %2              \n\t"
700
        "add %%"REG_a", %1              \n\t"
701
        PAVGB" (%2), %%mm0              \n\t"
702
        PAVGB" (%2, %3), %%mm2          \n\t"
703
        "movq %%mm0, (%2)               \n\t"
704
        "movq %%mm2, (%2, %3)           \n\t"
705
        "add %%"REG_a", %2              \n\t"
706
        "subl $4, %0                    \n\t"
707
        "jnz 1b                         \n\t"
708
        :"+g"(h), "+S"(pixels), "+D"(block)
709
        :"r" ((long)line_size)
710
        :"%"REG_a, "memory");
711
}
712

    
713
static void DEF(avg_pixels8_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
714
{
715
    __asm __volatile(
716
        "lea (%3, %3), %%"REG_a"        \n\t"
717
        "movq (%1), %%mm0               \n\t"
718
        "sub %3, %2                     \n\t"
719
        "1:                             \n\t"
720
        "movq (%1, %3), %%mm1           \n\t"
721
        "movq (%1, %%"REG_a"), %%mm2    \n\t"
722
        "add %%"REG_a", %1              \n\t"
723
        PAVGB" %%mm1, %%mm0             \n\t"
724
        PAVGB" %%mm2, %%mm1             \n\t"
725
        "movq (%2, %3), %%mm3           \n\t"
726
        "movq (%2, %%"REG_a"), %%mm4    \n\t"
727
        PAVGB" %%mm3, %%mm0             \n\t"
728
        PAVGB" %%mm4, %%mm1             \n\t"
729
        "movq %%mm0, (%2, %3)           \n\t"
730
        "movq %%mm1, (%2, %%"REG_a")    \n\t"
731
        "movq (%1, %3), %%mm1           \n\t"
732
        "movq (%1, %%"REG_a"), %%mm0    \n\t"
733
        PAVGB" %%mm1, %%mm2             \n\t"
734
        PAVGB" %%mm0, %%mm1             \n\t"
735
        "add %%"REG_a", %2              \n\t"
736
        "add %%"REG_a", %1              \n\t"
737
        "movq (%2, %3), %%mm3           \n\t"
738
        "movq (%2, %%"REG_a"), %%mm4    \n\t"
739
        PAVGB" %%mm3, %%mm2             \n\t"
740
        PAVGB" %%mm4, %%mm1             \n\t"
741
        "movq %%mm2, (%2, %3)           \n\t"
742
        "movq %%mm1, (%2, %%"REG_a")    \n\t"
743
        "add %%"REG_a", %2              \n\t"
744
        "subl $4, %0                    \n\t"
745
        "jnz 1b                         \n\t"
746
        :"+g"(h), "+S"(pixels), "+D"(block)
747
        :"r" ((long)line_size)
748
        :"%"REG_a, "memory");
749
}
750

    
751
/* Note this is not correctly rounded, but this function is only
752
 * used for B-frames so it does not matter. */
753
static void DEF(avg_pixels8_xy2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
754
{
755
    MOVQ_BONE(mm6);
756
    __asm __volatile(
757
        "lea (%3, %3), %%"REG_a"        \n\t"
758
        "movq (%1), %%mm0               \n\t"
759
        PAVGB" 1(%1), %%mm0             \n\t"
760
         ASMALIGN(3)
761
        "1:                             \n\t"
762
        "movq (%1, %%"REG_a"), %%mm2    \n\t"
763
        "movq (%1, %3), %%mm1           \n\t"
764
        "psubusb %%mm6, %%mm2           \n\t"
765
        PAVGB" 1(%1, %3), %%mm1         \n\t"
766
        PAVGB" 1(%1, %%"REG_a"), %%mm2  \n\t"
767
        "add %%"REG_a", %1              \n\t"
768
        PAVGB" %%mm1, %%mm0             \n\t"
769
        PAVGB" %%mm2, %%mm1             \n\t"
770
        PAVGB" (%2), %%mm0              \n\t"
771
        PAVGB" (%2, %3), %%mm1          \n\t"
772
        "movq %%mm0, (%2)               \n\t"
773
        "movq %%mm1, (%2, %3)           \n\t"
774
        "movq (%1, %3), %%mm1           \n\t"
775
        "movq (%1, %%"REG_a"), %%mm0    \n\t"
776
        PAVGB" 1(%1, %3), %%mm1         \n\t"
777
        PAVGB" 1(%1, %%"REG_a"), %%mm0  \n\t"
778
        "add %%"REG_a", %2              \n\t"
779
        "add %%"REG_a", %1              \n\t"
780
        PAVGB" %%mm1, %%mm2             \n\t"
781
        PAVGB" %%mm0, %%mm1             \n\t"
782
        PAVGB" (%2), %%mm2              \n\t"
783
        PAVGB" (%2, %3), %%mm1          \n\t"
784
        "movq %%mm2, (%2)               \n\t"
785
        "movq %%mm1, (%2, %3)           \n\t"
786
        "add %%"REG_a", %2              \n\t"
787
        "subl $4, %0                    \n\t"
788
        "jnz 1b                         \n\t"
789
        :"+g"(h), "+S"(pixels), "+D"(block)
790
        :"r" ((long)line_size)
791
        :"%"REG_a,  "memory");
792
}
793

    
794
//FIXME the following could be optimized too ...
795
static void DEF(put_no_rnd_pixels16_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
796
    DEF(put_no_rnd_pixels8_x2)(block  , pixels  , line_size, h);
797
    DEF(put_no_rnd_pixels8_x2)(block+8, pixels+8, line_size, h);
798
}
799
static void DEF(put_pixels16_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
800
    DEF(put_pixels8_y2)(block  , pixels  , line_size, h);
801
    DEF(put_pixels8_y2)(block+8, pixels+8, line_size, h);
802
}
803
static void DEF(put_no_rnd_pixels16_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
804
    DEF(put_no_rnd_pixels8_y2)(block  , pixels  , line_size, h);
805
    DEF(put_no_rnd_pixels8_y2)(block+8, pixels+8, line_size, h);
806
}
807
static void DEF(avg_pixels16)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
808
    DEF(avg_pixels8)(block  , pixels  , line_size, h);
809
    DEF(avg_pixels8)(block+8, pixels+8, line_size, h);
810
}
811
static void DEF(avg_pixels16_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
812
    DEF(avg_pixels8_x2)(block  , pixels  , line_size, h);
813
    DEF(avg_pixels8_x2)(block+8, pixels+8, line_size, h);
814
}
815
static void DEF(avg_pixels16_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
816
    DEF(avg_pixels8_y2)(block  , pixels  , line_size, h);
817
    DEF(avg_pixels8_y2)(block+8, pixels+8, line_size, h);
818
}
819
static void DEF(avg_pixels16_xy2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
820
    DEF(avg_pixels8_xy2)(block  , pixels  , line_size, h);
821
    DEF(avg_pixels8_xy2)(block+8, pixels+8, line_size, h);
822
}
823

    
824
#define QPEL_2TAP_L3(OPNAME) \
825
static void DEF(OPNAME ## 2tap_qpel16_l3)(uint8_t *dst, uint8_t *src, int stride, int h, int off1, int off2){\
826
    asm volatile(\
827
        "1:                    \n\t"\
828
        "movq   (%1,%2), %%mm0 \n\t"\
829
        "movq  8(%1,%2), %%mm1 \n\t"\
830
        PAVGB"  (%1,%3), %%mm0 \n\t"\
831
        PAVGB" 8(%1,%3), %%mm1 \n\t"\
832
        PAVGB"  (%1),    %%mm0 \n\t"\
833
        PAVGB" 8(%1),    %%mm1 \n\t"\
834
        STORE_OP( (%1,%4),%%mm0)\
835
        STORE_OP(8(%1,%4),%%mm1)\
836
        "movq  %%mm0,  (%1,%4) \n\t"\
837
        "movq  %%mm1, 8(%1,%4) \n\t"\
838
        "add   %5, %1          \n\t"\
839
        "decl  %0              \n\t"\
840
        "jnz   1b              \n\t"\
841
        :"+g"(h), "+r"(src)\
842
        :"r"((long)off1), "r"((long)off2),\
843
         "r"((long)(dst-src)), "r"((long)stride)\
844
        :"memory"\
845
    );\
846
}\
847
static void DEF(OPNAME ## 2tap_qpel8_l3)(uint8_t *dst, uint8_t *src, int stride, int h, int off1, int off2){\
848
    asm volatile(\
849
        "1:                    \n\t"\
850
        "movq   (%1,%2), %%mm0 \n\t"\
851
        PAVGB"  (%1,%3), %%mm0 \n\t"\
852
        PAVGB"  (%1),    %%mm0 \n\t"\
853
        STORE_OP((%1,%4),%%mm0)\
854
        "movq  %%mm0,  (%1,%4) \n\t"\
855
        "add   %5, %1          \n\t"\
856
        "decl  %0              \n\t"\
857
        "jnz   1b              \n\t"\
858
        :"+g"(h), "+r"(src)\
859
        :"r"((long)off1), "r"((long)off2),\
860
         "r"((long)(dst-src)), "r"((long)stride)\
861
        :"memory"\
862
    );\
863
}
864

    
865
#define STORE_OP(a,b) PAVGB" "#a","#b" \n\t"
866
QPEL_2TAP_L3(avg_)
867
#undef STORE_OP
868
#define STORE_OP(a,b)
869
QPEL_2TAP_L3(put_)
870
#undef STORE_OP
871
#undef QPEL_2TAP_L3