sound/core/oss/plugin_ops.h

   1 /*
   2  *  Plugin sample operators with fast switch
   3  *  Copyright (c) 2000 by Jaroslav Kysela <perex@suse.cz>
   4  *
   5  *
   6  *   This library is free software; you can redistribute it and/or modify
   7  *   it under the terms of the GNU Library General Public License as
   8  *   published by the Free Software Foundation; either version 2 of
   9  *   the License, or (at your option) any later version.
  10  *
  11  *   This program is distributed in the hope that it will be useful,
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *   GNU Library General Public License for more details.
  15  *
  16  *   You should have received a copy of the GNU Library General Public
  17  *   License along with this library; if not, write to the Free Software
  18  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19  *
  20  */
  21
  22
  23 #define as_u8(ptr) (*(u_int8_t*)(ptr))
  24 #define as_u16(ptr) (*(u_int16_t*)(ptr))
  25 #define as_u32(ptr) (*(u_int32_t*)(ptr))
  26 #define as_u64(ptr) (*(u_int64_t*)(ptr))
  27 #define as_s8(ptr) (*(int8_t*)(ptr))
  28 #define as_s16(ptr) (*(int16_t*)(ptr))
  29 #define as_s32(ptr) (*(int32_t*)(ptr))
  30 #define as_s64(ptr) (*(int64_t*)(ptr))
  31
  32 #ifdef COPY_LABELS
  33 static void *copy_labels[4] = {
  34         &&copy_8,
  35         &&copy_16,
  36         &&copy_32,
  37         &&copy_64
  38 };
  39 #endif
  40
  41 #ifdef COPY_END
  42 while(0) {
  43 copy_8: as_s8(dst) = as_s8(src); goto COPY_END;
  44 copy_16: as_s16(dst) = as_s16(src); goto COPY_END;
  45 copy_32: as_s32(dst) = as_s32(src); goto COPY_END;
  46 copy_64: as_s64(dst) = as_s64(src); goto COPY_END;
  47 }
  48 #endif
  49
  50 #ifdef CONV_LABELS
  51 /* src_wid src_endswap sign_toggle dst_wid dst_endswap */
  52 static void *conv_labels[4 * 2 * 2 * 4 * 2] = {
  53         &&conv_xxx1_xxx1,        /*  8h ->  8h */
  54         &&conv_xxx1_xxx1,        /*  8h ->  8s */
  55         &&conv_xxx1_xx10,        /*  8h -> 16h */
  56         &&conv_xxx1_xx01,        /*  8h -> 16s */
  57         &&conv_xxx1_x100,        /*  8h -> 24h */
  58         &&conv_xxx1_001x,        /*  8h -> 24s */
  59         &&conv_xxx1_1000,        /*  8h -> 32h */
  60         &&conv_xxx1_0001,        /*  8h -> 32s */
  61         &&conv_xxx1_xxx9,        /*  8h ^>  8h */
  62         &&conv_xxx1_xxx9,        /*  8h ^>  8s */
  63         &&conv_xxx1_xx90,        /*  8h ^> 16h */
  64         &&conv_xxx1_xx09,        /*  8h ^> 16s */
  65         &&conv_xxx1_x900,        /*  8h ^> 24h */
  66         &&conv_xxx1_009x,        /*  8h ^> 24s */
  67         &&conv_xxx1_9000,        /*  8h ^> 32h */
  68         &&conv_xxx1_0009,        /*  8h ^> 32s */
  69         &&conv_xxx1_xxx1,        /*  8s ->  8h */
  70         &&conv_xxx1_xxx1,        /*  8s ->  8s */
  71         &&conv_xxx1_xx10,        /*  8s -> 16h */
  72         &&conv_xxx1_xx01,        /*  8s -> 16s */
  73         &&conv_xxx1_x100,        /*  8s -> 24h */
  74         &&conv_xxx1_001x,        /*  8s -> 24s */
  75         &&conv_xxx1_1000,        /*  8s -> 32h */
  76         &&conv_xxx1_0001,        /*  8s -> 32s */
  77         &&conv_xxx1_xxx9,        /*  8s ^>  8h */
  78         &&conv_xxx1_xxx9,        /*  8s ^>  8s */
  79         &&conv_xxx1_xx90,        /*  8s ^> 16h */
  80         &&conv_xxx1_xx09,        /*  8s ^> 16s */
  81         &&conv_xxx1_x900,        /*  8s ^> 24h */
  82         &&conv_xxx1_009x,        /*  8s ^> 24s */
  83         &&conv_xxx1_9000,        /*  8s ^> 32h */
  84         &&conv_xxx1_0009,        /*  8s ^> 32s */
  85         &&conv_xx12_xxx1,        /* 16h ->  8h */
  86         &&conv_xx12_xxx1,        /* 16h ->  8s */
  87         &&conv_xx12_xx12,        /* 16h -> 16h */
  88         &&conv_xx12_xx21,        /* 16h -> 16s */
  89         &&conv_xx12_x120,        /* 16h -> 24h */
  90         &&conv_xx12_021x,        /* 16h -> 24s */
  91         &&conv_xx12_1200,        /* 16h -> 32h */
  92         &&conv_xx12_0021,        /* 16h -> 32s */
  93         &&conv_xx12_xxx9,        /* 16h ^>  8h */
  94         &&conv_xx12_xxx9,        /* 16h ^>  8s */
  95         &&conv_xx12_xx92,        /* 16h ^> 16h */
  96         &&conv_xx12_xx29,        /* 16h ^> 16s */
  97         &&conv_xx12_x920,        /* 16h ^> 24h */
  98         &&conv_xx12_029x,        /* 16h ^> 24s */
  99         &&conv_xx12_9200,        /* 16h ^> 32h */
 100         &&conv_xx12_0029,        /* 16h ^> 32s */
 101         &&conv_xx12_xxx2,        /* 16s ->  8h */
 102         &&conv_xx12_xxx2,        /* 16s ->  8s */
 103         &&conv_xx12_xx21,        /* 16s -> 16h */
 104         &&conv_xx12_xx12,        /* 16s -> 16s */
 105         &&conv_xx12_x210,        /* 16s -> 24h */
 106         &&conv_xx12_012x,        /* 16s -> 24s */
 107         &&conv_xx12_2100,        /* 16s -> 32h */
 108         &&conv_xx12_0012,        /* 16s -> 32s */
 109         &&conv_xx12_xxxA,        /* 16s ^>  8h */
 110         &&conv_xx12_xxxA,        /* 16s ^>  8s */
 111         &&conv_xx12_xxA1,        /* 16s ^> 16h */
 112         &&conv_xx12_xx1A,        /* 16s ^> 16s */
 113         &&conv_xx12_xA10,        /* 16s ^> 24h */
 114         &&conv_xx12_01Ax,        /* 16s ^> 24s */
 115         &&conv_xx12_A100,        /* 16s ^> 32h */
 116         &&conv_xx12_001A,        /* 16s ^> 32s */
 117         &&conv_x123_xxx1,        /* 24h ->  8h */
 118         &&conv_x123_xxx1,        /* 24h ->  8s */
 119         &&conv_x123_xx12,        /* 24h -> 16h */
 120         &&conv_x123_xx21,        /* 24h -> 16s */
 121         &&conv_x123_x123,        /* 24h -> 24h */
 122         &&conv_x123_321x,        /* 24h -> 24s */
 123         &&conv_x123_1230,        /* 24h -> 32h */
 124         &&conv_x123_0321,        /* 24h -> 32s */
 125         &&conv_x123_xxx9,        /* 24h ^>  8h */
 126         &&conv_x123_xxx9,        /* 24h ^>  8s */
 127         &&conv_x123_xx92,        /* 24h ^> 16h */
 128         &&conv_x123_xx29,        /* 24h ^> 16s */
 129         &&conv_x123_x923,        /* 24h ^> 24h */
 130         &&conv_x123_329x,        /* 24h ^> 24s */
 131         &&conv_x123_9230,        /* 24h ^> 32h */
 132         &&conv_x123_0329,        /* 24h ^> 32s */
 133         &&conv_123x_xxx3,        /* 24s ->  8h */
 134         &&conv_123x_xxx3,        /* 24s ->  8s */
 135         &&conv_123x_xx32,        /* 24s -> 16h */
 136         &&conv_123x_xx23,        /* 24s -> 16s */
 137         &&conv_123x_x321,        /* 24s -> 24h */
 138         &&conv_123x_123x,        /* 24s -> 24s */
 139         &&conv_123x_3210,        /* 24s -> 32h */
 140         &&conv_123x_0123,        /* 24s -> 32s */
 141         &&conv_123x_xxxB,        /* 24s ^>  8h */
 142         &&conv_123x_xxxB,        /* 24s ^>  8s */
 143         &&conv_123x_xxB2,        /* 24s ^> 16h */
 144         &&conv_123x_xx2B,        /* 24s ^> 16s */
 145         &&conv_123x_xB21,        /* 24s ^> 24h */
 146         &&conv_123x_12Bx,        /* 24s ^> 24s */
 147         &&conv_123x_B210,        /* 24s ^> 32h */
 148         &&conv_123x_012B,        /* 24s ^> 32s */
 149         &&conv_1234_xxx1,        /* 32h ->  8h */
 150         &&conv_1234_xxx1,        /* 32h ->  8s */
 151         &&conv_1234_xx12,        /* 32h -> 16h */
 152         &&conv_1234_xx21,        /* 32h -> 16s */
 153         &&conv_1234_x123,        /* 32h -> 24h */
 154         &&conv_1234_321x,        /* 32h -> 24s */
 155         &&conv_1234_1234,        /* 32h -> 32h */
 156         &&conv_1234_4321,        /* 32h -> 32s */
 157         &&conv_1234_xxx9,        /* 32h ^>  8h */
 158         &&conv_1234_xxx9,        /* 32h ^>  8s */
 159         &&conv_1234_xx92,        /* 32h ^> 16h */
 160         &&conv_1234_xx29,        /* 32h ^> 16s */
 161         &&conv_1234_x923,        /* 32h ^> 24h */
 162         &&conv_1234_329x,        /* 32h ^> 24s */
 163         &&conv_1234_9234,        /* 32h ^> 32h */
 164         &&conv_1234_4329,        /* 32h ^> 32s */
 165         &&conv_1234_xxx4,        /* 32s ->  8h */
 166         &&conv_1234_xxx4,        /* 32s ->  8s */
 167         &&conv_1234_xx43,        /* 32s -> 16h */
 168         &&conv_1234_xx34,        /* 32s -> 16s */
 169         &&conv_1234_x432,        /* 32s -> 24h */
 170         &&conv_1234_234x,        /* 32s -> 24s */
 171         &&conv_1234_4321,        /* 32s -> 32h */
 172         &&conv_1234_1234,        /* 32s -> 32s */
 173         &&conv_1234_xxxC,        /* 32s ^>  8h */
 174         &&conv_1234_xxxC,        /* 32s ^>  8s */
 175         &&conv_1234_xxC3,        /* 32s ^> 16h */
 176         &&conv_1234_xx3C,        /* 32s ^> 16s */
 177         &&conv_1234_xC32,        /* 32s ^> 24h */
 178         &&conv_1234_23Cx,        /* 32s ^> 24s */
 179         &&conv_1234_C321,        /* 32s ^> 32h */
 180         &&conv_1234_123C,        /* 32s ^> 32s */
 181 };
 182 #endif
 183
 184 #ifdef CONV_END
 185 while(0) {
 186 conv_xxx1_xxx1: as_u8(dst) = as_u8(src); goto CONV_END;
 187 conv_xxx1_xx10: as_u16(dst) = (u_int16_t)as_u8(src) << 8; goto CONV_END;
 188 conv_xxx1_xx01: as_u16(dst) = (u_int16_t)as_u8(src); goto CONV_END;
 189 conv_xxx1_x100: as_u32(dst) = (u_int32_t)as_u8(src) << 16; goto CONV_END;
 190 conv_xxx1_001x: as_u32(dst) = (u_int32_t)as_u8(src) << 8; goto CONV_END;
 191 conv_xxx1_1000: as_u32(dst) = (u_int32_t)as_u8(src) << 24; goto CONV_END;
 192 conv_xxx1_0001: as_u32(dst) = (u_int32_t)as_u8(src); goto CONV_END;
 193 conv_xxx1_xxx9: as_u8(dst) = as_u8(src) ^ 0x80; goto CONV_END;
 194 conv_xxx1_xx90: as_u16(dst) = (u_int16_t)(as_u8(src) ^ 0x80) << 8; goto CONV_END;
 195 conv_xxx1_xx09: as_u16(dst) = (u_int16_t)(as_u8(src) ^ 0x80); goto CONV_END;
 196 conv_xxx1_x900: as_u32(dst) = (u_int32_t)(as_u8(src) ^ 0x80) << 16; goto CONV_END;
 197 conv_xxx1_009x: as_u32(dst) = (u_int32_t)(as_u8(src) ^ 0x80) << 8; goto CONV_END;
 198 conv_xxx1_9000: as_u32(dst) = (u_int32_t)(as_u8(src) ^ 0x80) << 24; goto CONV_END;
 199 conv_xxx1_0009: as_u32(dst) = (u_int32_t)(as_u8(src) ^ 0x80); goto CONV_END;
 200 conv_xx12_xxx1: as_u8(dst) = as_u16(src) >> 8; goto CONV_END;
 201 conv_xx12_xx12: as_u16(dst) = as_u16(src); goto CONV_END;
 202 conv_xx12_xx21: as_u16(dst) = swab16(as_u16(src)); goto CONV_END;
 203 conv_xx12_x120: as_u32(dst) = (u_int32_t)as_u16(src) << 8; goto CONV_END;
 204 conv_xx12_021x: as_u32(dst) = (u_int32_t)swab16(as_u16(src)) << 8; goto CONV_END;
 205 conv_xx12_1200: as_u32(dst) = (u_int32_t)as_u16(src) << 16; goto CONV_END;
 206 conv_xx12_0021: as_u32(dst) = (u_int32_t)swab16(as_u16(src)); goto CONV_END;
 207 conv_xx12_xxx9: as_u8(dst) = (as_u16(src) >> 8) ^ 0x80; goto CONV_END;
 208 conv_xx12_xx92: as_u16(dst) = as_u16(src) ^ 0x8000; goto CONV_END;
 209 conv_xx12_xx29: as_u16(dst) = swab16(as_u16(src)) ^ 0x80; goto CONV_END;
 210 conv_xx12_x920: as_u32(dst) = (u_int32_t)(as_u16(src) ^ 0x8000) << 8; goto CONV_END;
 211 conv_xx12_029x: as_u32(dst) = (u_int32_t)(swab16(as_u16(src)) ^ 0x80) << 8; goto CONV_END;
 212 conv_xx12_9200: as_u32(dst) = (u_int32_t)(as_u16(src) ^ 0x8000) << 16; goto CONV_END;
 213 conv_xx12_0029: as_u32(dst) = (u_int32_t)(swab16(as_u16(src)) ^ 0x80); goto CONV_END;
 214 conv_xx12_xxx2: as_u8(dst) = as_u16(src) & 0xff; goto CONV_END;
 215 conv_xx12_x210: as_u32(dst) = (u_int32_t)swab16(as_u16(src)) << 8; goto CONV_END;
 216 conv_xx12_012x: as_u32(dst) = (u_int32_t)as_u16(src) << 8; goto CONV_END;
 217 conv_xx12_2100: as_u32(dst) = (u_int32_t)swab16(as_u16(src)) << 16; goto CONV_END;
 218 conv_xx12_0012: as_u32(dst) = (u_int32_t)as_u16(src); goto CONV_END;
 219 conv_xx12_xxxA: as_u8(dst) = (as_u16(src) ^ 0x80) & 0xff; goto CONV_END;
 220 conv_xx12_xxA1: as_u16(dst) = swab16(as_u16(src) ^ 0x80); goto CONV_END;
 221 conv_xx12_xx1A: as_u16(dst) = as_u16(src) ^ 0x80; goto CONV_END;
 222 conv_xx12_xA10: as_u32(dst) = (u_int32_t)swab16(as_u16(src) ^ 0x80) << 8; goto CONV_END;
 223 conv_xx12_01Ax: as_u32(dst) = (u_int32_t)(as_u16(src) ^ 0x80) << 8; goto CONV_END;
 224 conv_xx12_A100: as_u32(dst) = (u_int32_t)swab16(as_u16(src) ^ 0x80) << 16; goto CONV_END;
 225 conv_xx12_001A: as_u32(dst) = (u_int32_t)(as_u16(src) ^ 0x80); goto CONV_END;
 226 conv_x123_xxx1: as_u8(dst) = as_u32(src) >> 16; goto CONV_END;
 227 conv_x123_xx12: as_u16(dst) = as_u32(src) >> 8; goto CONV_END;
 228 conv_x123_xx21: as_u16(dst) = swab16(as_u32(src) >> 8); goto CONV_END;
 229 conv_x123_x123: as_u32(dst) = as_u32(src); goto CONV_END;
 230 conv_x123_321x: as_u32(dst) = swab32(as_u32(src)); goto CONV_END;
 231 conv_x123_1230: as_u32(dst) = as_u32(src) << 8; goto CONV_END;
 232 conv_x123_0321: as_u32(dst) = swab32(as_u32(src)) >> 8; goto CONV_END;
 233 conv_x123_xxx9: as_u8(dst) = (as_u32(src) >> 16) ^ 0x80; goto CONV_END;
 234 conv_x123_xx92: as_u16(dst) = (as_u32(src) >> 8) ^ 0x8000; goto CONV_END;
 235 conv_x123_xx29: as_u16(dst) = swab16(as_u32(src) >> 8) ^ 0x80; goto CONV_END;
 236 conv_x123_x923: as_u32(dst) = as_u32(src) ^ 0x800000; goto CONV_END;
 237 conv_x123_329x: as_u32(dst) = swab32(as_u32(src)) ^ 0x8000; goto CONV_END;
 238 conv_x123_9230: as_u32(dst) = (as_u32(src) ^ 0x800000) << 8; goto CONV_END;
 239 conv_x123_0329: as_u32(dst) = (swab32(as_u32(src)) >> 8) ^ 0x80; goto CONV_END;
 240 conv_123x_xxx3: as_u8(dst) = (as_u32(src) >> 8) & 0xff; goto CONV_END;
 241 conv_123x_xx32: as_u16(dst) = swab16(as_u32(src) >> 8); goto CONV_END;
 242 conv_123x_xx23: as_u16(dst) = (as_u32(src) >> 8) & 0xffff; goto CONV_END;
 243 conv_123x_x321: as_u32(dst) = swab32(as_u32(src)); goto CONV_END;
 244 conv_123x_123x: as_u32(dst) = as_u32(src); goto CONV_END;
 245 conv_123x_3210: as_u32(dst) = swab32(as_u32(src)) << 8; goto CONV_END;
 246 conv_123x_0123: as_u32(dst) = as_u32(src) >> 8; goto CONV_END;
 247 conv_123x_xxxB: as_u8(dst) = ((as_u32(src) >> 8) & 0xff) ^ 0x80; goto CONV_END;
 248 conv_123x_xxB2: as_u16(dst) = swab16((as_u32(src) >> 8) ^ 0x80); goto CONV_END;
 249 conv_123x_xx2B: as_u16(dst) = ((as_u32(src) >> 8) & 0xffff) ^ 0x80; goto CONV_END;
 250 conv_123x_xB21: as_u32(dst) = swab32(as_u32(src)) ^ 0x800000; goto CONV_END;
 251 conv_123x_12Bx: as_u32(dst) = as_u32(src) ^ 0x8000; goto CONV_END;
 252 conv_123x_B210: as_u32(dst) = swab32(as_u32(src) ^ 0x8000) << 8; goto CONV_END;
 253 conv_123x_012B: as_u32(dst) = (as_u32(src) >> 8) ^ 0x80; goto CONV_END;
 254 conv_1234_xxx1: as_u8(dst) = as_u32(src) >> 24; goto CONV_END;
 255 conv_1234_xx12: as_u16(dst) = as_u32(src) >> 16; goto CONV_END;
 256 conv_1234_xx21: as_u16(dst) = swab16(as_u32(src) >> 16); goto CONV_END;
 257 conv_1234_x123: as_u32(dst) = as_u32(src) >> 8; goto CONV_END;
 258 conv_1234_321x: as_u32(dst) = swab32(as_u32(src)) << 8; goto CONV_END;
 259 conv_1234_1234: as_u32(dst) = as_u32(src); goto CONV_END;
 260 conv_1234_4321: as_u32(dst) = swab32(as_u32(src)); goto CONV_END;
 261 conv_1234_xxx9: as_u8(dst) = (as_u32(src) >> 24) ^ 0x80; goto CONV_END;
 262 conv_1234_xx92: as_u16(dst) = (as_u32(src) >> 16) ^ 0x8000; goto CONV_END;
 263 conv_1234_xx29: as_u16(dst) = swab16(as_u32(src) >> 16) ^ 0x80; goto CONV_END;
 264 conv_1234_x923: as_u32(dst) = (as_u32(src) >> 8) ^ 0x800000; goto CONV_END;
 265 conv_1234_329x: as_u32(dst) = (swab32(as_u32(src)) ^ 0x80) << 8; goto CONV_END;
 266 conv_1234_9234: as_u32(dst) = as_u32(src) ^ 0x80000000; goto CONV_END;
 267 conv_1234_4329: as_u32(dst) = swab32(as_u32(src)) ^ 0x80; goto CONV_END;
 268 conv_1234_xxx4: as_u8(dst) = as_u32(src) & 0xff; goto CONV_END;
 269 conv_1234_xx43: as_u16(dst) = swab16(as_u32(src)); goto CONV_END;
 270 conv_1234_xx34: as_u16(dst) = as_u32(src) & 0xffff; goto CONV_END;
 271 conv_1234_x432: as_u32(dst) = swab32(as_u32(src)) >> 8; goto CONV_END;
 272 conv_1234_234x: as_u32(dst) = as_u32(src) << 8; goto CONV_END;
 273 conv_1234_xxxC: as_u8(dst) = (as_u32(src) & 0xff) ^ 0x80; goto CONV_END;
 274 conv_1234_xxC3: as_u16(dst) = swab16(as_u32(src) ^ 0x80); goto CONV_END;
 275 conv_1234_xx3C: as_u16(dst) = (as_u32(src) & 0xffff) ^ 0x80; goto CONV_END;
 276 conv_1234_xC32: as_u32(dst) = (swab32(as_u32(src)) >> 8) ^ 0x800000; goto CONV_END;
 277 conv_1234_23Cx: as_u32(dst) = (as_u32(src) ^ 0x80) << 8; goto CONV_END;
 278 conv_1234_C321: as_u32(dst) = swab32(as_u32(src) ^ 0x80); goto CONV_END;
 279 conv_1234_123C: as_u32(dst) = as_u32(src) ^ 0x80; goto CONV_END;
 280 }
 281 #endif
 282
 283 #ifdef GET_S16_LABELS
 284 /* src_wid src_endswap unsigned */
 285 static void *get_s16_labels[4 * 2 * 2] = {
 286         &&get_s16_xxx1_xx10,     /*  8h -> 16h */
 287         &&get_s16_xxx1_xx90,     /*  8h ^> 16h */
 288         &&get_s16_xxx1_xx10,     /*  8s -> 16h */
 289         &&get_s16_xxx1_xx90,     /*  8s ^> 16h */
 290         &&get_s16_xx12_xx12,     /* 16h -> 16h */
 291         &&get_s16_xx12_xx92,     /* 16h ^> 16h */
 292         &&get_s16_xx12_xx21,     /* 16s -> 16h */
 293         &&get_s16_xx12_xxA1,     /* 16s ^> 16h */
 294         &&get_s16_x123_xx12,     /* 24h -> 16h */
 295         &&get_s16_x123_xx92,     /* 24h ^> 16h */
 296         &&get_s16_123x_xx32,     /* 24s -> 16h */
 297         &&get_s16_123x_xxB2,     /* 24s ^> 16h */
 298         &&get_s16_1234_xx12,     /* 32h -> 16h */
 299         &&get_s16_1234_xx92,     /* 32h ^> 16h */
 300         &&get_s16_1234_xx43,     /* 32s -> 16h */
 301         &&get_s16_1234_xxC3,     /* 32s ^> 16h */
 302 };
 303 #endif
 304
 305 #ifdef GET_S16_END
 306 while(0) {
 307 get_s16_xxx1_xx10: sample = (u_int16_t)as_u8(src) << 8; goto GET_S16_END;
 308 get_s16_xxx1_xx90: sample = (u_int16_t)(as_u8(src) ^ 0x80) << 8; goto GET_S16_END;
 309 get_s16_xx12_xx12: sample = as_u16(src); goto GET_S16_END;
 310 get_s16_xx12_xx92: sample = as_u16(src) ^ 0x8000; goto GET_S16_END;
 311 get_s16_xx12_xx21: sample = swab16(as_u16(src)); goto GET_S16_END;
 312 get_s16_xx12_xxA1: sample = swab16(as_u16(src) ^ 0x80); goto GET_S16_END;
 313 get_s16_x123_xx12: sample = as_u32(src) >> 8; goto GET_S16_END;
 314 get_s16_x123_xx92: sample = (as_u32(src) >> 8) ^ 0x8000; goto GET_S16_END;
 315 get_s16_123x_xx32: sample = swab16(as_u32(src) >> 8); goto GET_S16_END;
 316 get_s16_123x_xxB2: sample = swab16((as_u32(src) >> 8) ^ 0x8000); goto GET_S16_END;
 317 get_s16_1234_xx12: sample = as_u32(src) >> 16; goto GET_S16_END;
 318 get_s16_1234_xx92: sample = (as_u32(src) >> 16) ^ 0x8000; goto GET_S16_END;
 319 get_s16_1234_xx43: sample = swab16(as_u32(src)); goto GET_S16_END;
 320 get_s16_1234_xxC3: sample = swab16(as_u32(src) ^ 0x80); goto GET_S16_END;
 321 }
 322 #endif
 323
 324 #ifdef PUT_S16_LABELS
 325 /* dst_wid dst_endswap unsigned */
 326 static void *put_s16_labels[4 * 2 * 2] = {
 327         &&put_s16_xx12_xxx1,     /* 16h ->  8h */
 328         &&put_s16_xx12_xxx9,     /* 16h ^>  8h */
 329         &&put_s16_xx12_xxx1,     /* 16h ->  8s */
 330         &&put_s16_xx12_xxx9,     /* 16h ^>  8s */
 331         &&put_s16_xx12_xx12,     /* 16h -> 16h */
 332         &&put_s16_xx12_xx92,     /* 16h ^> 16h */
 333         &&put_s16_xx12_xx21,     /* 16h -> 16s */
 334         &&put_s16_xx12_xx29,     /* 16h ^> 16s */
 335         &&put_s16_xx12_x120,     /* 16h -> 24h */
 336         &&put_s16_xx12_x920,     /* 16h ^> 24h */
 337         &&put_s16_xx12_021x,     /* 16h -> 24s */
 338         &&put_s16_xx12_029x,     /* 16h ^> 24s */
 339         &&put_s16_xx12_1200,     /* 16h -> 32h */
 340         &&put_s16_xx12_9200,     /* 16h ^> 32h */
 341         &&put_s16_xx12_0021,     /* 16h -> 32s */
 342         &&put_s16_xx12_0029,     /* 16h ^> 32s */
 343 };
 344 #endif
 345
 346 #ifdef PUT_S16_END
 347 while (0) {
 348 put_s16_xx12_xxx1: as_u8(dst) = sample >> 8; goto PUT_S16_END;
 349 put_s16_xx12_xxx9: as_u8(dst) = (sample >> 8) ^ 0x80; goto PUT_S16_END;
 350 put_s16_xx12_xx12: as_u16(dst) = sample; goto PUT_S16_END;
 351 put_s16_xx12_xx92: as_u16(dst) = sample ^ 0x8000; goto PUT_S16_END;
 352 put_s16_xx12_xx21: as_u16(dst) = swab16(sample); goto PUT_S16_END;
 353 put_s16_xx12_xx29: as_u16(dst) = swab16(sample) ^ 0x80; goto PUT_S16_END;
 354 put_s16_xx12_x120: as_u32(dst) = (u_int32_t)sample << 8; goto PUT_S16_END;
 355 put_s16_xx12_x920: as_u32(dst) = (u_int32_t)(sample ^ 0x8000) << 8; goto PUT_S16_END;
 356 put_s16_xx12_021x: as_u32(dst) = (u_int32_t)swab16(sample) << 8; goto PUT_S16_END;
 357 put_s16_xx12_029x: as_u32(dst) = (u_int32_t)(swab16(sample) ^ 0x80) << 8; goto PUT_S16_END;
 358 put_s16_xx12_1200: as_u32(dst) = (u_int32_t)sample << 16; goto PUT_S16_END;
 359 put_s16_xx12_9200: as_u32(dst) = (u_int32_t)(sample ^ 0x8000) << 16; goto PUT_S16_END;
 360 put_s16_xx12_0021: as_u32(dst) = (u_int32_t)swab16(sample); goto PUT_S16_END;
 361 put_s16_xx12_0029: as_u32(dst) = (u_int32_t)swab16(sample) ^ 0x80; goto PUT_S16_END;
 362 }
 363 #endif
 364
 365 #undef as_u8
 366 #undef as_u16
 367 #undef as_u32
 368 #undef as_s8
 369 #undef as_s16
 370 #undef as_s32