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ffmpeg / libavcodec / i386 / dsputil_mmx_avg.h @ be449fca

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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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 * 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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 * 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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/* This header intentionally has no multiple inclusion guards. It is meant to
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 * be included multiple times and generates different code depending on the
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 * value of certain #defines. */
30

    
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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(
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        "lea (%3, %3), %%"REG_a"        \n\t"
38
        "1:                             \n\t"
39
        "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" ((x86_reg)line_size)
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        :"%"REG_a, "memory");
60
}
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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)
63
{
64
    __asm__ volatile(
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        "testl $1, %0                   \n\t"
66
            " jz 1f                     \n\t"
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        "movd   (%1), %%mm0             \n\t"
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        "movd   (%2), %%mm1             \n\t"
69
        "add    %4, %1                  \n\t"
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        "add    $4, %2                  \n\t"
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        PAVGB" %%mm1, %%mm0             \n\t"
72
        "movd   %%mm0, (%3)             \n\t"
73
        "add    %5, %3                  \n\t"
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        "decl   %0                      \n\t"
75
        "1:                             \n\t"
76
        "movd   (%1), %%mm0             \n\t"
77
        "add    %4, %1                  \n\t"
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        "movd   (%1), %%mm1             \n\t"
79
        "movd   (%2), %%mm2             \n\t"
80
        "movd   4(%2), %%mm3            \n\t"
81
        "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"
85
        "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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        "movd   (%1), %%mm0             \n\t"
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        "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"
102
        "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
104
        :"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
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#else
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        :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
107
#endif
108
        :"S"((x86_reg)src1Stride), "D"((x86_reg)dstStride)
109
        :"memory");
110
}
111

    
112

    
113
static void DEF(put_pixels8_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
114
{
115
    __asm__ volatile(
116
        "testl $1, %0                   \n\t"
117
            " jz 1f                     \n\t"
118
        "movq   (%1), %%mm0             \n\t"
119
        "movq   (%2), %%mm1             \n\t"
120
        "add    %4, %1                  \n\t"
121
        "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"
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        "decl   %0                      \n\t"
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        "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"
135
        "movq   %%mm1, (%3)             \n\t"
136
        "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"
140
        "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"
143
        "movq   %%mm0, (%3)             \n\t"
144
        "add    %5, %3                  \n\t"
145
        "movq   %%mm1, (%3)             \n\t"
146
        "add    %5, %3                  \n\t"
147
        "add    $32, %2                 \n\t"
148
        "subl   $4, %0                  \n\t"
149
        "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
151
        :"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
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#else
153
        :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
154
#endif
155
        :"S"((x86_reg)src1Stride), "D"((x86_reg)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)
160
        :"memory");*/
161
}
162

    
163
static void DEF(put_no_rnd_pixels8_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
164
{
165
    __asm__ volatile(
166
        "pcmpeqb %%mm6, %%mm6           \n\t"
167
        "testl $1, %0                   \n\t"
168
            " jz 1f                     \n\t"
169
        "movq   (%1), %%mm0             \n\t"
170
        "movq   (%2), %%mm1             \n\t"
171
        "add    %4, %1                  \n\t"
172
        "add    $8, %2                  \n\t"
173
        "pxor %%mm6, %%mm0              \n\t"
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        "pxor %%mm6, %%mm1              \n\t"
175
        PAVGB" %%mm1, %%mm0             \n\t"
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        "pxor %%mm6, %%mm0              \n\t"
177
        "movq   %%mm0, (%3)             \n\t"
178
        "add    %5, %3                  \n\t"
179
        "decl   %0                      \n\t"
180
        "1:                             \n\t"
181
        "movq   (%1), %%mm0             \n\t"
182
        "add    %4, %1                  \n\t"
183
        "movq   (%1), %%mm1             \n\t"
184
        "add    %4, %1                  \n\t"
185
        "movq   (%2), %%mm2             \n\t"
186
        "movq   8(%2), %%mm3            \n\t"
187
        "pxor %%mm6, %%mm0              \n\t"
188
        "pxor %%mm6, %%mm1              \n\t"
189
        "pxor %%mm6, %%mm2              \n\t"
190
        "pxor %%mm6, %%mm3              \n\t"
191
        PAVGB" %%mm2, %%mm0             \n\t"
192
        PAVGB" %%mm3, %%mm1             \n\t"
193
        "pxor %%mm6, %%mm0              \n\t"
194
        "pxor %%mm6, %%mm1              \n\t"
195
        "movq   %%mm0, (%3)             \n\t"
196
        "add    %5, %3                  \n\t"
197
        "movq   %%mm1, (%3)             \n\t"
198
        "add    %5, %3                  \n\t"
199
        "movq   (%1), %%mm0             \n\t"
200
        "add    %4, %1                  \n\t"
201
        "movq   (%1), %%mm1             \n\t"
202
        "add    %4, %1                  \n\t"
203
        "movq   16(%2), %%mm2           \n\t"
204
        "movq   24(%2), %%mm3           \n\t"
205
        "pxor %%mm6, %%mm0              \n\t"
206
        "pxor %%mm6, %%mm1              \n\t"
207
        "pxor %%mm6, %%mm2              \n\t"
208
        "pxor %%mm6, %%mm3              \n\t"
209
        PAVGB" %%mm2, %%mm0             \n\t"
210
        PAVGB" %%mm3, %%mm1             \n\t"
211
        "pxor %%mm6, %%mm0              \n\t"
212
        "pxor %%mm6, %%mm1              \n\t"
213
        "movq   %%mm0, (%3)             \n\t"
214
        "add    %5, %3                  \n\t"
215
        "movq   %%mm1, (%3)             \n\t"
216
        "add    %5, %3                  \n\t"
217
        "add    $32, %2                 \n\t"
218
        "subl   $4, %0                  \n\t"
219
        "jnz    1b                      \n\t"
220
#ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cannot be used
221
        :"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
222
#else
223
        :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
224
#endif
225
        :"S"((x86_reg)src1Stride), "D"((x86_reg)dstStride)
226
        :"memory");
227
//the following should be used, though better not with gcc ...
228
/*        :"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
229
        :"r"(src1Stride), "r"(dstStride)
230
        :"memory");*/
231
}
232

    
233
static void DEF(avg_pixels4_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
234
{
235
    __asm__ volatile(
236
        "testl $1, %0                   \n\t"
237
            " jz 1f                     \n\t"
238
        "movd   (%1), %%mm0             \n\t"
239
        "movd   (%2), %%mm1             \n\t"
240
        "add    %4, %1                  \n\t"
241
        "add    $4, %2                  \n\t"
242
        PAVGB" %%mm1, %%mm0             \n\t"
243
        PAVGB" (%3), %%mm0              \n\t"
244
        "movd   %%mm0, (%3)             \n\t"
245
        "add    %5, %3                  \n\t"
246
        "decl   %0                      \n\t"
247
        "1:                             \n\t"
248
        "movd   (%1), %%mm0             \n\t"
249
        "add    %4, %1                  \n\t"
250
        "movd   (%1), %%mm1             \n\t"
251
        "add    %4, %1                  \n\t"
252
        PAVGB" (%2), %%mm0              \n\t"
253
        PAVGB" 4(%2), %%mm1             \n\t"
254
        PAVGB" (%3), %%mm0              \n\t"
255
        "movd   %%mm0, (%3)             \n\t"
256
        "add    %5, %3                  \n\t"
257
        PAVGB" (%3), %%mm1              \n\t"
258
        "movd   %%mm1, (%3)             \n\t"
259
        "add    %5, %3                  \n\t"
260
        "movd   (%1), %%mm0             \n\t"
261
        "add    %4, %1                  \n\t"
262
        "movd   (%1), %%mm1             \n\t"
263
        "add    %4, %1                  \n\t"
264
        PAVGB" 8(%2), %%mm0             \n\t"
265
        PAVGB" 12(%2), %%mm1            \n\t"
266
        PAVGB" (%3), %%mm0              \n\t"
267
        "movd   %%mm0, (%3)             \n\t"
268
        "add    %5, %3                  \n\t"
269
        PAVGB" (%3), %%mm1              \n\t"
270
        "movd   %%mm1, (%3)             \n\t"
271
        "add    %5, %3                  \n\t"
272
        "add    $16, %2                 \n\t"
273
        "subl   $4, %0                  \n\t"
274
        "jnz    1b                      \n\t"
275
#ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cannot be used
276
        :"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
277
#else
278
        :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
279
#endif
280
        :"S"((x86_reg)src1Stride), "D"((x86_reg)dstStride)
281
        :"memory");
282
}
283

    
284

    
285
static void DEF(avg_pixels8_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
286
{
287
    __asm__ volatile(
288
        "testl $1, %0                   \n\t"
289
            " jz 1f                     \n\t"
290
        "movq   (%1), %%mm0             \n\t"
291
        "movq   (%2), %%mm1             \n\t"
292
        "add    %4, %1                  \n\t"
293
        "add    $8, %2                  \n\t"
294
        PAVGB" %%mm1, %%mm0             \n\t"
295
        PAVGB" (%3), %%mm0              \n\t"
296
        "movq   %%mm0, (%3)             \n\t"
297
        "add    %5, %3                  \n\t"
298
        "decl   %0                      \n\t"
299
        "1:                             \n\t"
300
        "movq   (%1), %%mm0             \n\t"
301
        "add    %4, %1                  \n\t"
302
        "movq   (%1), %%mm1             \n\t"
303
        "add    %4, %1                  \n\t"
304
        PAVGB" (%2), %%mm0              \n\t"
305
        PAVGB" 8(%2), %%mm1             \n\t"
306
        PAVGB" (%3), %%mm0              \n\t"
307
        "movq   %%mm0, (%3)             \n\t"
308
        "add    %5, %3                  \n\t"
309
        PAVGB" (%3), %%mm1              \n\t"
310
        "movq   %%mm1, (%3)             \n\t"
311
        "add    %5, %3                  \n\t"
312
        "movq   (%1), %%mm0             \n\t"
313
        "add    %4, %1                  \n\t"
314
        "movq   (%1), %%mm1             \n\t"
315
        "add    %4, %1                  \n\t"
316
        PAVGB" 16(%2), %%mm0            \n\t"
317
        PAVGB" 24(%2), %%mm1            \n\t"
318
        PAVGB" (%3), %%mm0              \n\t"
319
        "movq   %%mm0, (%3)             \n\t"
320
        "add    %5, %3                  \n\t"
321
        PAVGB" (%3), %%mm1              \n\t"
322
        "movq   %%mm1, (%3)             \n\t"
323
        "add    %5, %3                  \n\t"
324
        "add    $32, %2                 \n\t"
325
        "subl   $4, %0                  \n\t"
326
        "jnz    1b                      \n\t"
327
#ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cannot be used
328
        :"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
329
#else
330
        :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
331
#endif
332
        :"S"((x86_reg)src1Stride), "D"((x86_reg)dstStride)
333
        :"memory");
334
//the following should be used, though better not with gcc ...
335
/*        :"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
336
        :"r"(src1Stride), "r"(dstStride)
337
        :"memory");*/
338
}
339

    
340
static void DEF(put_pixels16_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
341
{
342
    __asm__ volatile(
343
        "lea (%3, %3), %%"REG_a"        \n\t"
344
        "1:                             \n\t"
345
        "movq (%1), %%mm0               \n\t"
346
        "movq (%1, %3), %%mm1           \n\t"
347
        "movq 8(%1), %%mm2              \n\t"
348
        "movq 8(%1, %3), %%mm3          \n\t"
349
        PAVGB" 1(%1), %%mm0             \n\t"
350
        PAVGB" 1(%1, %3), %%mm1         \n\t"
351
        PAVGB" 9(%1), %%mm2             \n\t"
352
        PAVGB" 9(%1, %3), %%mm3         \n\t"
353
        "movq %%mm0, (%2)               \n\t"
354
        "movq %%mm1, (%2, %3)           \n\t"
355
        "movq %%mm2, 8(%2)              \n\t"
356
        "movq %%mm3, 8(%2, %3)          \n\t"
357
        "add %%"REG_a", %1              \n\t"
358
        "add %%"REG_a", %2              \n\t"
359
        "movq (%1), %%mm0               \n\t"
360
        "movq (%1, %3), %%mm1           \n\t"
361
        "movq 8(%1), %%mm2              \n\t"
362
        "movq 8(%1, %3), %%mm3          \n\t"
363
        PAVGB" 1(%1), %%mm0             \n\t"
364
        PAVGB" 1(%1, %3), %%mm1         \n\t"
365
        PAVGB" 9(%1), %%mm2             \n\t"
366
        PAVGB" 9(%1, %3), %%mm3         \n\t"
367
        "add %%"REG_a", %1              \n\t"
368
        "movq %%mm0, (%2)               \n\t"
369
        "movq %%mm1, (%2, %3)           \n\t"
370
        "movq %%mm2, 8(%2)              \n\t"
371
        "movq %%mm3, 8(%2, %3)          \n\t"
372
        "add %%"REG_a", %2              \n\t"
373
        "subl $4, %0                    \n\t"
374
        "jnz 1b                         \n\t"
375
        :"+g"(h), "+S"(pixels), "+D"(block)
376
        :"r" ((x86_reg)line_size)
377
        :"%"REG_a, "memory");
378
}
379

    
380
static void DEF(put_pixels16_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
381
{
382
    __asm__ volatile(
383
        "testl $1, %0                   \n\t"
384
            " jz 1f                     \n\t"
385
        "movq   (%1), %%mm0             \n\t"
386
        "movq   8(%1), %%mm1            \n\t"
387
        PAVGB" (%2), %%mm0              \n\t"
388
        PAVGB" 8(%2), %%mm1             \n\t"
389
        "add    %4, %1                  \n\t"
390
        "add    $16, %2                 \n\t"
391
        "movq   %%mm0, (%3)             \n\t"
392
        "movq   %%mm1, 8(%3)            \n\t"
393
        "add    %5, %3                  \n\t"
394
        "decl   %0                      \n\t"
395
        "1:                             \n\t"
396
        "movq   (%1), %%mm0             \n\t"
397
        "movq   8(%1), %%mm1            \n\t"
398
        "add    %4, %1                  \n\t"
399
        PAVGB" (%2), %%mm0              \n\t"
400
        PAVGB" 8(%2), %%mm1             \n\t"
401
        "movq   %%mm0, (%3)             \n\t"
402
        "movq   %%mm1, 8(%3)            \n\t"
403
        "add    %5, %3                  \n\t"
404
        "movq   (%1), %%mm0             \n\t"
405
        "movq   8(%1), %%mm1            \n\t"
406
        "add    %4, %1                  \n\t"
407
        PAVGB" 16(%2), %%mm0            \n\t"
408
        PAVGB" 24(%2), %%mm1            \n\t"
409
        "movq   %%mm0, (%3)             \n\t"
410
        "movq   %%mm1, 8(%3)            \n\t"
411
        "add    %5, %3                  \n\t"
412
        "add    $32, %2                 \n\t"
413
        "subl   $2, %0                  \n\t"
414
        "jnz    1b                      \n\t"
415
#ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cannot be used
416
        :"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
417
#else
418
        :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
419
#endif
420
        :"S"((x86_reg)src1Stride), "D"((x86_reg)dstStride)
421
        :"memory");
422
//the following should be used, though better not with gcc ...
423
/*        :"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
424
        :"r"(src1Stride), "r"(dstStride)
425
        :"memory");*/
426
}
427

    
428
static void DEF(avg_pixels16_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
429
{
430
    __asm__ volatile(
431
        "testl $1, %0                   \n\t"
432
            " jz 1f                     \n\t"
433
        "movq   (%1), %%mm0             \n\t"
434
        "movq   8(%1), %%mm1            \n\t"
435
        PAVGB" (%2), %%mm0              \n\t"
436
        PAVGB" 8(%2), %%mm1             \n\t"
437
        "add    %4, %1                  \n\t"
438
        "add    $16, %2                 \n\t"
439
        PAVGB" (%3), %%mm0              \n\t"
440
        PAVGB" 8(%3), %%mm1             \n\t"
441
        "movq   %%mm0, (%3)             \n\t"
442
        "movq   %%mm1, 8(%3)            \n\t"
443
        "add    %5, %3                  \n\t"
444
        "decl   %0                      \n\t"
445
        "1:                             \n\t"
446
        "movq   (%1), %%mm0             \n\t"
447
        "movq   8(%1), %%mm1            \n\t"
448
        "add    %4, %1                  \n\t"
449
        PAVGB" (%2), %%mm0              \n\t"
450
        PAVGB" 8(%2), %%mm1             \n\t"
451
        PAVGB" (%3), %%mm0              \n\t"
452
        PAVGB" 8(%3), %%mm1             \n\t"
453
        "movq   %%mm0, (%3)             \n\t"
454
        "movq   %%mm1, 8(%3)            \n\t"
455
        "add    %5, %3                  \n\t"
456
        "movq   (%1), %%mm0             \n\t"
457
        "movq   8(%1), %%mm1            \n\t"
458
        "add    %4, %1                  \n\t"
459
        PAVGB" 16(%2), %%mm0            \n\t"
460
        PAVGB" 24(%2), %%mm1            \n\t"
461
        PAVGB" (%3), %%mm0              \n\t"
462
        PAVGB" 8(%3), %%mm1             \n\t"
463
        "movq   %%mm0, (%3)             \n\t"
464
        "movq   %%mm1, 8(%3)            \n\t"
465
        "add    %5, %3                  \n\t"
466
        "add    $32, %2                 \n\t"
467
        "subl   $2, %0                  \n\t"
468
        "jnz    1b                      \n\t"
469
#ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cannot be used
470
        :"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
471
#else
472
        :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
473
#endif
474
        :"S"((x86_reg)src1Stride), "D"((x86_reg)dstStride)
475
        :"memory");
476
//the following should be used, though better not with gcc ...
477
/*        :"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
478
        :"r"(src1Stride), "r"(dstStride)
479
        :"memory");*/
480
}
481

    
482
static void DEF(put_no_rnd_pixels16_l2)(uint8_t *dst, uint8_t *src1, uint8_t *src2, int dstStride, int src1Stride, int h)
483
{
484
    __asm__ volatile(
485
        "pcmpeqb %%mm6, %%mm6           \n\t"
486
        "testl $1, %0                   \n\t"
487
            " jz 1f                     \n\t"
488
        "movq   (%1), %%mm0             \n\t"
489
        "movq   8(%1), %%mm1            \n\t"
490
        "movq   (%2), %%mm2             \n\t"
491
        "movq   8(%2), %%mm3            \n\t"
492
        "pxor %%mm6, %%mm0              \n\t"
493
        "pxor %%mm6, %%mm1              \n\t"
494
        "pxor %%mm6, %%mm2              \n\t"
495
        "pxor %%mm6, %%mm3              \n\t"
496
        PAVGB" %%mm2, %%mm0             \n\t"
497
        PAVGB" %%mm3, %%mm1             \n\t"
498
        "pxor %%mm6, %%mm0              \n\t"
499
        "pxor %%mm6, %%mm1              \n\t"
500
        "add    %4, %1                  \n\t"
501
        "add    $16, %2                 \n\t"
502
        "movq   %%mm0, (%3)             \n\t"
503
        "movq   %%mm1, 8(%3)            \n\t"
504
        "add    %5, %3                  \n\t"
505
        "decl   %0                      \n\t"
506
        "1:                             \n\t"
507
        "movq   (%1), %%mm0             \n\t"
508
        "movq   8(%1), %%mm1            \n\t"
509
        "add    %4, %1                  \n\t"
510
        "movq   (%2), %%mm2             \n\t"
511
        "movq   8(%2), %%mm3            \n\t"
512
        "pxor %%mm6, %%mm0              \n\t"
513
        "pxor %%mm6, %%mm1              \n\t"
514
        "pxor %%mm6, %%mm2              \n\t"
515
        "pxor %%mm6, %%mm3              \n\t"
516
        PAVGB" %%mm2, %%mm0             \n\t"
517
        PAVGB" %%mm3, %%mm1             \n\t"
518
        "pxor %%mm6, %%mm0              \n\t"
519
        "pxor %%mm6, %%mm1              \n\t"
520
        "movq   %%mm0, (%3)             \n\t"
521
        "movq   %%mm1, 8(%3)            \n\t"
522
        "add    %5, %3                  \n\t"
523
        "movq   (%1), %%mm0             \n\t"
524
        "movq   8(%1), %%mm1            \n\t"
525
        "add    %4, %1                  \n\t"
526
        "movq   16(%2), %%mm2           \n\t"
527
        "movq   24(%2), %%mm3           \n\t"
528
        "pxor %%mm6, %%mm0              \n\t"
529
        "pxor %%mm6, %%mm1              \n\t"
530
        "pxor %%mm6, %%mm2              \n\t"
531
        "pxor %%mm6, %%mm3              \n\t"
532
        PAVGB" %%mm2, %%mm0             \n\t"
533
        PAVGB" %%mm3, %%mm1             \n\t"
534
        "pxor %%mm6, %%mm0              \n\t"
535
        "pxor %%mm6, %%mm1              \n\t"
536
        "movq   %%mm0, (%3)             \n\t"
537
        "movq   %%mm1, 8(%3)            \n\t"
538
        "add    %5, %3                  \n\t"
539
        "add    $32, %2                 \n\t"
540
        "subl   $2, %0                  \n\t"
541
        "jnz    1b                      \n\t"
542
#ifdef PIC //Note "+bm" and "+mb" are buggy too (with gcc 3.2.2 at least) and cannot be used
543
        :"+m"(h), "+a"(src1), "+c"(src2), "+d"(dst)
544
#else
545
        :"+b"(h), "+a"(src1), "+c"(src2), "+d"(dst)
546
#endif
547
        :"S"((x86_reg)src1Stride), "D"((x86_reg)dstStride)
548
        :"memory");
549
//the following should be used, though better not with gcc ...
550
/*        :"+g"(h), "+r"(src1), "+r"(src2), "+r"(dst)
551
        :"r"(src1Stride), "r"(dstStride)
552
        :"memory");*/
553
}
554

    
555
/* GL: this function does incorrect rounding if overflow */
556
static void DEF(put_no_rnd_pixels8_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
557
{
558
    MOVQ_BONE(mm6);
559
    __asm__ volatile(
560
        "lea (%3, %3), %%"REG_a"        \n\t"
561
        "1:                             \n\t"
562
        "movq (%1), %%mm0               \n\t"
563
        "movq (%1, %3), %%mm2           \n\t"
564
        "movq 1(%1), %%mm1              \n\t"
565
        "movq 1(%1, %3), %%mm3          \n\t"
566
        "add %%"REG_a", %1              \n\t"
567
        "psubusb %%mm6, %%mm0           \n\t"
568
        "psubusb %%mm6, %%mm2           \n\t"
569
        PAVGB" %%mm1, %%mm0             \n\t"
570
        PAVGB" %%mm3, %%mm2             \n\t"
571
        "movq %%mm0, (%2)               \n\t"
572
        "movq %%mm2, (%2, %3)           \n\t"
573
        "movq (%1), %%mm0               \n\t"
574
        "movq 1(%1), %%mm1              \n\t"
575
        "movq (%1, %3), %%mm2           \n\t"
576
        "movq 1(%1, %3), %%mm3          \n\t"
577
        "add %%"REG_a", %2              \n\t"
578
        "add %%"REG_a", %1              \n\t"
579
        "psubusb %%mm6, %%mm0           \n\t"
580
        "psubusb %%mm6, %%mm2           \n\t"
581
        PAVGB" %%mm1, %%mm0             \n\t"
582
        PAVGB" %%mm3, %%mm2             \n\t"
583
        "movq %%mm0, (%2)               \n\t"
584
        "movq %%mm2, (%2, %3)           \n\t"
585
        "add %%"REG_a", %2              \n\t"
586
        "subl $4, %0                    \n\t"
587
        "jnz 1b                         \n\t"
588
        :"+g"(h), "+S"(pixels), "+D"(block)
589
        :"r" ((x86_reg)line_size)
590
        :"%"REG_a, "memory");
591
}
592

    
593
static void DEF(put_pixels8_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
594
{
595
    __asm__ volatile(
596
        "lea (%3, %3), %%"REG_a"        \n\t"
597
        "movq (%1), %%mm0               \n\t"
598
        "sub %3, %2                     \n\t"
599
        "1:                             \n\t"
600
        "movq (%1, %3), %%mm1           \n\t"
601
        "movq (%1, %%"REG_a"), %%mm2    \n\t"
602
        "add %%"REG_a", %1              \n\t"
603
        PAVGB" %%mm1, %%mm0             \n\t"
604
        PAVGB" %%mm2, %%mm1             \n\t"
605
        "movq %%mm0, (%2, %3)           \n\t"
606
        "movq %%mm1, (%2, %%"REG_a")    \n\t"
607
        "movq (%1, %3), %%mm1           \n\t"
608
        "movq (%1, %%"REG_a"), %%mm0    \n\t"
609
        "add %%"REG_a", %2              \n\t"
610
        "add %%"REG_a", %1              \n\t"
611
        PAVGB" %%mm1, %%mm2             \n\t"
612
        PAVGB" %%mm0, %%mm1             \n\t"
613
        "movq %%mm2, (%2, %3)           \n\t"
614
        "movq %%mm1, (%2, %%"REG_a")    \n\t"
615
        "add %%"REG_a", %2              \n\t"
616
        "subl $4, %0                    \n\t"
617
        "jnz 1b                         \n\t"
618
        :"+g"(h), "+S"(pixels), "+D" (block)
619
        :"r" ((x86_reg)line_size)
620
        :"%"REG_a, "memory");
621
}
622

    
623
/* GL: this function does incorrect rounding if overflow */
624
static void DEF(put_no_rnd_pixels8_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
625
{
626
    MOVQ_BONE(mm6);
627
    __asm__ volatile(
628
        "lea (%3, %3), %%"REG_a"        \n\t"
629
        "movq (%1), %%mm0               \n\t"
630
        "sub %3, %2                     \n\t"
631
        "1:                             \n\t"
632
        "movq (%1, %3), %%mm1           \n\t"
633
        "movq (%1, %%"REG_a"), %%mm2    \n\t"
634
        "add %%"REG_a", %1              \n\t"
635
        "psubusb %%mm6, %%mm1           \n\t"
636
        PAVGB" %%mm1, %%mm0             \n\t"
637
        PAVGB" %%mm2, %%mm1             \n\t"
638
        "movq %%mm0, (%2, %3)           \n\t"
639
        "movq %%mm1, (%2, %%"REG_a")    \n\t"
640
        "movq (%1, %3), %%mm1           \n\t"
641
        "movq (%1, %%"REG_a"), %%mm0    \n\t"
642
        "add %%"REG_a", %2              \n\t"
643
        "add %%"REG_a", %1              \n\t"
644
        "psubusb %%mm6, %%mm1           \n\t"
645
        PAVGB" %%mm1, %%mm2             \n\t"
646
        PAVGB" %%mm0, %%mm1             \n\t"
647
        "movq %%mm2, (%2, %3)           \n\t"
648
        "movq %%mm1, (%2, %%"REG_a")    \n\t"
649
        "add %%"REG_a", %2              \n\t"
650
        "subl $4, %0                    \n\t"
651
        "jnz 1b                         \n\t"
652
        :"+g"(h), "+S"(pixels), "+D" (block)
653
        :"r" ((x86_reg)line_size)
654
        :"%"REG_a, "memory");
655
}
656

    
657
static void DEF(avg_pixels8)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
658
{
659
    __asm__ volatile(
660
        "lea (%3, %3), %%"REG_a"        \n\t"
661
        "1:                             \n\t"
662
        "movq (%2), %%mm0               \n\t"
663
        "movq (%2, %3), %%mm1           \n\t"
664
        PAVGB" (%1), %%mm0              \n\t"
665
        PAVGB" (%1, %3), %%mm1          \n\t"
666
        "movq %%mm0, (%2)               \n\t"
667
        "movq %%mm1, (%2, %3)           \n\t"
668
        "add %%"REG_a", %1              \n\t"
669
        "add %%"REG_a", %2              \n\t"
670
        "movq (%2), %%mm0               \n\t"
671
        "movq (%2, %3), %%mm1           \n\t"
672
        PAVGB" (%1), %%mm0              \n\t"
673
        PAVGB" (%1, %3), %%mm1          \n\t"
674
        "add %%"REG_a", %1              \n\t"
675
        "movq %%mm0, (%2)               \n\t"
676
        "movq %%mm1, (%2, %3)           \n\t"
677
        "add %%"REG_a", %2              \n\t"
678
        "subl $4, %0                    \n\t"
679
        "jnz 1b                         \n\t"
680
        :"+g"(h), "+S"(pixels), "+D"(block)
681
        :"r" ((x86_reg)line_size)
682
        :"%"REG_a, "memory");
683
}
684

    
685
static void DEF(avg_pixels8_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
686
{
687
    __asm__ volatile(
688
        "lea (%3, %3), %%"REG_a"        \n\t"
689
        "1:                             \n\t"
690
        "movq (%1), %%mm0               \n\t"
691
        "movq (%1, %3), %%mm2           \n\t"
692
        PAVGB" 1(%1), %%mm0             \n\t"
693
        PAVGB" 1(%1, %3), %%mm2         \n\t"
694
        PAVGB" (%2), %%mm0              \n\t"
695
        PAVGB" (%2, %3), %%mm2          \n\t"
696
        "add %%"REG_a", %1              \n\t"
697
        "movq %%mm0, (%2)               \n\t"
698
        "movq %%mm2, (%2, %3)           \n\t"
699
        "movq (%1), %%mm0               \n\t"
700
        "movq (%1, %3), %%mm2           \n\t"
701
        PAVGB" 1(%1), %%mm0             \n\t"
702
        PAVGB" 1(%1, %3), %%mm2         \n\t"
703
        "add %%"REG_a", %2              \n\t"
704
        "add %%"REG_a", %1              \n\t"
705
        PAVGB" (%2), %%mm0              \n\t"
706
        PAVGB" (%2, %3), %%mm2          \n\t"
707
        "movq %%mm0, (%2)               \n\t"
708
        "movq %%mm2, (%2, %3)           \n\t"
709
        "add %%"REG_a", %2              \n\t"
710
        "subl $4, %0                    \n\t"
711
        "jnz 1b                         \n\t"
712
        :"+g"(h), "+S"(pixels), "+D"(block)
713
        :"r" ((x86_reg)line_size)
714
        :"%"REG_a, "memory");
715
}
716

    
717
static void DEF(avg_pixels8_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
718
{
719
    __asm__ volatile(
720
        "lea (%3, %3), %%"REG_a"        \n\t"
721
        "movq (%1), %%mm0               \n\t"
722
        "sub %3, %2                     \n\t"
723
        "1:                             \n\t"
724
        "movq (%1, %3), %%mm1           \n\t"
725
        "movq (%1, %%"REG_a"), %%mm2    \n\t"
726
        "add %%"REG_a", %1              \n\t"
727
        PAVGB" %%mm1, %%mm0             \n\t"
728
        PAVGB" %%mm2, %%mm1             \n\t"
729
        "movq (%2, %3), %%mm3           \n\t"
730
        "movq (%2, %%"REG_a"), %%mm4    \n\t"
731
        PAVGB" %%mm3, %%mm0             \n\t"
732
        PAVGB" %%mm4, %%mm1             \n\t"
733
        "movq %%mm0, (%2, %3)           \n\t"
734
        "movq %%mm1, (%2, %%"REG_a")    \n\t"
735
        "movq (%1, %3), %%mm1           \n\t"
736
        "movq (%1, %%"REG_a"), %%mm0    \n\t"
737
        PAVGB" %%mm1, %%mm2             \n\t"
738
        PAVGB" %%mm0, %%mm1             \n\t"
739
        "add %%"REG_a", %2              \n\t"
740
        "add %%"REG_a", %1              \n\t"
741
        "movq (%2, %3), %%mm3           \n\t"
742
        "movq (%2, %%"REG_a"), %%mm4    \n\t"
743
        PAVGB" %%mm3, %%mm2             \n\t"
744
        PAVGB" %%mm4, %%mm1             \n\t"
745
        "movq %%mm2, (%2, %3)           \n\t"
746
        "movq %%mm1, (%2, %%"REG_a")    \n\t"
747
        "add %%"REG_a", %2              \n\t"
748
        "subl $4, %0                    \n\t"
749
        "jnz 1b                         \n\t"
750
        :"+g"(h), "+S"(pixels), "+D"(block)
751
        :"r" ((x86_reg)line_size)
752
        :"%"REG_a, "memory");
753
}
754

    
755
/* Note this is not correctly rounded, but this function is only
756
 * used for B-frames so it does not matter. */
757
static void DEF(avg_pixels8_xy2)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
758
{
759
    MOVQ_BONE(mm6);
760
    __asm__ volatile(
761
        "lea (%3, %3), %%"REG_a"        \n\t"
762
        "movq (%1), %%mm0               \n\t"
763
        PAVGB" 1(%1), %%mm0             \n\t"
764
         ASMALIGN(3)
765
        "1:                             \n\t"
766
        "movq (%1, %%"REG_a"), %%mm2    \n\t"
767
        "movq (%1, %3), %%mm1           \n\t"
768
        "psubusb %%mm6, %%mm2           \n\t"
769
        PAVGB" 1(%1, %3), %%mm1         \n\t"
770
        PAVGB" 1(%1, %%"REG_a"), %%mm2  \n\t"
771
        "add %%"REG_a", %1              \n\t"
772
        PAVGB" %%mm1, %%mm0             \n\t"
773
        PAVGB" %%mm2, %%mm1             \n\t"
774
        PAVGB" (%2), %%mm0              \n\t"
775
        PAVGB" (%2, %3), %%mm1          \n\t"
776
        "movq %%mm0, (%2)               \n\t"
777
        "movq %%mm1, (%2, %3)           \n\t"
778
        "movq (%1, %3), %%mm1           \n\t"
779
        "movq (%1, %%"REG_a"), %%mm0    \n\t"
780
        PAVGB" 1(%1, %3), %%mm1         \n\t"
781
        PAVGB" 1(%1, %%"REG_a"), %%mm0  \n\t"
782
        "add %%"REG_a", %2              \n\t"
783
        "add %%"REG_a", %1              \n\t"
784
        PAVGB" %%mm1, %%mm2             \n\t"
785
        PAVGB" %%mm0, %%mm1             \n\t"
786
        PAVGB" (%2), %%mm2              \n\t"
787
        PAVGB" (%2, %3), %%mm1          \n\t"
788
        "movq %%mm2, (%2)               \n\t"
789
        "movq %%mm1, (%2, %3)           \n\t"
790
        "add %%"REG_a", %2              \n\t"
791
        "subl $4, %0                    \n\t"
792
        "jnz 1b                         \n\t"
793
        :"+g"(h), "+S"(pixels), "+D"(block)
794
        :"r" ((x86_reg)line_size)
795
        :"%"REG_a,  "memory");
796
}
797

    
798
static void DEF(avg_pixels4)(uint8_t *block, const uint8_t *pixels, int line_size, int h)
799
{
800
    do {
801
        __asm__ volatile(
802
            "movd (%1), %%mm0               \n\t"
803
            "movd (%1, %2), %%mm1           \n\t"
804
            "movd (%1, %2, 2), %%mm2        \n\t"
805
            "movd (%1, %3), %%mm3           \n\t"
806
            PAVGB" (%0), %%mm0              \n\t"
807
            PAVGB" (%0, %2), %%mm1          \n\t"
808
            PAVGB" (%0, %2, 2), %%mm2       \n\t"
809
            PAVGB" (%0, %3), %%mm3          \n\t"
810
            "movd %%mm0, (%1)               \n\t"
811
            "movd %%mm1, (%1, %2)           \n\t"
812
            "movd %%mm2, (%1, %2, 2)        \n\t"
813
            "movd %%mm3, (%1, %3)           \n\t"
814
            ::"S"(pixels), "D"(block),
815
             "r" ((x86_reg)line_size), "r"((x86_reg)3L*line_size)
816
            :"memory");
817
        block += 4*line_size;
818
        pixels += 4*line_size;
819
        h -= 4;
820
    } while(h > 0);
821
}
822

    
823
//FIXME the following could be optimized too ...
824
static void DEF(put_no_rnd_pixels16_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
825
    DEF(put_no_rnd_pixels8_x2)(block  , pixels  , line_size, h);
826
    DEF(put_no_rnd_pixels8_x2)(block+8, pixels+8, line_size, h);
827
}
828
static void DEF(put_pixels16_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
829
    DEF(put_pixels8_y2)(block  , pixels  , line_size, h);
830
    DEF(put_pixels8_y2)(block+8, pixels+8, line_size, h);
831
}
832
static void DEF(put_no_rnd_pixels16_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
833
    DEF(put_no_rnd_pixels8_y2)(block  , pixels  , line_size, h);
834
    DEF(put_no_rnd_pixels8_y2)(block+8, pixels+8, line_size, h);
835
}
836
static void DEF(avg_pixels16)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
837
    DEF(avg_pixels8)(block  , pixels  , line_size, h);
838
    DEF(avg_pixels8)(block+8, pixels+8, line_size, h);
839
}
840
static void DEF(avg_pixels16_x2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
841
    DEF(avg_pixels8_x2)(block  , pixels  , line_size, h);
842
    DEF(avg_pixels8_x2)(block+8, pixels+8, line_size, h);
843
}
844
static void DEF(avg_pixels16_y2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
845
    DEF(avg_pixels8_y2)(block  , pixels  , line_size, h);
846
    DEF(avg_pixels8_y2)(block+8, pixels+8, line_size, h);
847
}
848
static void DEF(avg_pixels16_xy2)(uint8_t *block, const uint8_t *pixels, int line_size, int h){
849
    DEF(avg_pixels8_xy2)(block  , pixels  , line_size, h);
850
    DEF(avg_pixels8_xy2)(block+8, pixels+8, line_size, h);
851
}
852

    
853
#define QPEL_2TAP_L3(OPNAME) \
854
static void DEF(OPNAME ## 2tap_qpel16_l3)(uint8_t *dst, uint8_t *src, int stride, int h, int off1, int off2){\
855
    __asm__ volatile(\
856
        "1:                    \n\t"\
857
        "movq   (%1,%2), %%mm0 \n\t"\
858
        "movq  8(%1,%2), %%mm1 \n\t"\
859
        PAVGB"  (%1,%3), %%mm0 \n\t"\
860
        PAVGB" 8(%1,%3), %%mm1 \n\t"\
861
        PAVGB"  (%1),    %%mm0 \n\t"\
862
        PAVGB" 8(%1),    %%mm1 \n\t"\
863
        STORE_OP( (%1,%4),%%mm0)\
864
        STORE_OP(8(%1,%4),%%mm1)\
865
        "movq  %%mm0,  (%1,%4) \n\t"\
866
        "movq  %%mm1, 8(%1,%4) \n\t"\
867
        "add   %5, %1          \n\t"\
868
        "decl  %0              \n\t"\
869
        "jnz   1b              \n\t"\
870
        :"+g"(h), "+r"(src)\
871
        :"r"((x86_reg)off1), "r"((x86_reg)off2),\
872
         "r"((x86_reg)(dst-src)), "r"((x86_reg)stride)\
873
        :"memory"\
874
    );\
875
}\
876
static void DEF(OPNAME ## 2tap_qpel8_l3)(uint8_t *dst, uint8_t *src, int stride, int h, int off1, int off2){\
877
    __asm__ volatile(\
878
        "1:                    \n\t"\
879
        "movq   (%1,%2), %%mm0 \n\t"\
880
        PAVGB"  (%1,%3), %%mm0 \n\t"\
881
        PAVGB"  (%1),    %%mm0 \n\t"\
882
        STORE_OP((%1,%4),%%mm0)\
883
        "movq  %%mm0,  (%1,%4) \n\t"\
884
        "add   %5, %1          \n\t"\
885
        "decl  %0              \n\t"\
886
        "jnz   1b              \n\t"\
887
        :"+g"(h), "+r"(src)\
888
        :"r"((x86_reg)off1), "r"((x86_reg)off2),\
889
         "r"((x86_reg)(dst-src)), "r"((x86_reg)stride)\
890
        :"memory"\
891
    );\
892
}
893

    
894
#define STORE_OP(a,b) PAVGB" "#a","#b" \n\t"
895
QPEL_2TAP_L3(avg_)
896
#undef STORE_OP
897
#define STORE_OP(a,b)
898
QPEL_2TAP_L3(put_)
899
#undef STORE_OP
900
#undef QPEL_2TAP_L3