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
33static void *copy_labels[4] = {
34	&&copy_8,
35	&&copy_16,
36	&&copy_32,
37	&&copy_64
38};
39#endif
40
41#ifdef COPY_END
42while(0) {
43copy_8: as_s8(dst) = as_s8(src); goto COPY_END;
44copy_16: as_s16(dst) = as_s16(src); goto COPY_END;
45copy_32: as_s32(dst) = as_s32(src); goto COPY_END;
46copy_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 */
52static 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
185while(0) {
186conv_xxx1_xxx1: as_u8(dst) = as_u8(src); goto CONV_END;
187conv_xxx1_xx10: as_u16(dst) = (u_int16_t)as_u8(src) << 8; goto CONV_END;
188conv_xxx1_xx01: as_u16(dst) = (u_int16_t)as_u8(src); goto CONV_END;
189conv_xxx1_x100: as_u32(dst) = (u_int32_t)as_u8(src) << 16; goto CONV_END;
190conv_xxx1_001x: as_u32(dst) = (u_int32_t)as_u8(src) << 8; goto CONV_END;
191conv_xxx1_1000: as_u32(dst) = (u_int32_t)as_u8(src) << 24; goto CONV_END;
192conv_xxx1_0001: as_u32(dst) = (u_int32_t)as_u8(src); goto CONV_END;
193conv_xxx1_xxx9: as_u8(dst) = as_u8(src) ^ 0x80; goto CONV_END;
194conv_xxx1_xx90: as_u16(dst) = (u_int16_t)(as_u8(src) ^ 0x80) << 8; goto CONV_END;
195conv_xxx1_xx09: as_u16(dst) = (u_int16_t)(as_u8(src) ^ 0x80); goto CONV_END;
196conv_xxx1_x900: as_u32(dst) = (u_int32_t)(as_u8(src) ^ 0x80) << 16; goto CONV_END;
197conv_xxx1_009x: as_u32(dst) = (u_int32_t)(as_u8(src) ^ 0x80) << 8; goto CONV_END;
198conv_xxx1_9000: as_u32(dst) = (u_int32_t)(as_u8(src) ^ 0x80) << 24; goto CONV_END;
199conv_xxx1_0009: as_u32(dst) = (u_int32_t)(as_u8(src) ^ 0x80); goto CONV_END;
200conv_xx12_xxx1: as_u8(dst) = as_u16(src) >> 8; goto CONV_END;
201conv_xx12_xx12: as_u16(dst) = as_u16(src); goto CONV_END;
202conv_xx12_xx21: as_u16(dst) = swab16(as_u16(src)); goto CONV_END;
203conv_xx12_x120: as_u32(dst) = (u_int32_t)as_u16(src) << 8; goto CONV_END;
204conv_xx12_021x: as_u32(dst) = (u_int32_t)swab16(as_u16(src)) << 8; goto CONV_END;
205conv_xx12_1200: as_u32(dst) = (u_int32_t)as_u16(src) << 16; goto CONV_END;
206conv_xx12_0021: as_u32(dst) = (u_int32_t)swab16(as_u16(src)); goto CONV_END;
207conv_xx12_xxx9: as_u8(dst) = (as_u16(src) >> 8) ^ 0x80; goto CONV_END;
208conv_xx12_xx92: as_u16(dst) = as_u16(src) ^ 0x8000; goto CONV_END;
209conv_xx12_xx29: as_u16(dst) = swab16(as_u16(src)) ^ 0x80; goto CONV_END;
210conv_xx12_x920: as_u32(dst) = (u_int32_t)(as_u16(src) ^ 0x8000) << 8; goto CONV_END;
211conv_xx12_029x: as_u32(dst) = (u_int32_t)(swab16(as_u16(src)) ^ 0x80) << 8; goto CONV_END;
212conv_xx12_9200: as_u32(dst) = (u_int32_t)(as_u16(src) ^ 0x8000) << 16; goto CONV_END;
213conv_xx12_0029: as_u32(dst) = (u_int32_t)(swab16(as_u16(src)) ^ 0x80); goto CONV_END;
214conv_xx12_xxx2: as_u8(dst) = as_u16(src) & 0xff; goto CONV_END;
215conv_xx12_x210: as_u32(dst) = (u_int32_t)swab16(as_u16(src)) << 8; goto CONV_END;
216conv_xx12_012x: as_u32(dst) = (u_int32_t)as_u16(src) << 8; goto CONV_END;
217conv_xx12_2100: as_u32(dst) = (u_int32_t)swab16(as_u16(src)) << 16; goto CONV_END;
218conv_xx12_0012: as_u32(dst) = (u_int32_t)as_u16(src); goto CONV_END;
219conv_xx12_xxxA: as_u8(dst) = (as_u16(src) ^ 0x80) & 0xff; goto CONV_END;
220conv_xx12_xxA1: as_u16(dst) = swab16(as_u16(src) ^ 0x80); goto CONV_END;
221conv_xx12_xx1A: as_u16(dst) = as_u16(src) ^ 0x80; goto CONV_END;
222conv_xx12_xA10: as_u32(dst) = (u_int32_t)swab16(as_u16(src) ^ 0x80) << 8; goto CONV_END;
223conv_xx12_01Ax: as_u32(dst) = (u_int32_t)(as_u16(src) ^ 0x80) << 8; goto CONV_END;
224conv_xx12_A100: as_u32(dst) = (u_int32_t)swab16(as_u16(src) ^ 0x80) << 16; goto CONV_END;
225conv_xx12_001A: as_u32(dst) = (u_int32_t)(as_u16(src) ^ 0x80); goto CONV_END;
226conv_x123_xxx1: as_u8(dst) = as_u32(src) >> 16; goto CONV_END;
227conv_x123_xx12: as_u16(dst) = as_u32(src) >> 8; goto CONV_END;
228conv_x123_xx21: as_u16(dst) = swab16(as_u32(src) >> 8); goto CONV_END;
229conv_x123_x123: as_u32(dst) = as_u32(src); goto CONV_END;
230conv_x123_321x: as_u32(dst) = swab32(as_u32(src)); goto CONV_END;
231conv_x123_1230: as_u32(dst) = as_u32(src) << 8; goto CONV_END;
232conv_x123_0321: as_u32(dst) = swab32(as_u32(src)) >> 8; goto CONV_END;
233conv_x123_xxx9: as_u8(dst) = (as_u32(src) >> 16) ^ 0x80; goto CONV_END;
234conv_x123_xx92: as_u16(dst) = (as_u32(src) >> 8) ^ 0x8000; goto CONV_END;
235conv_x123_xx29: as_u16(dst) = swab16(as_u32(src) >> 8) ^ 0x80; goto CONV_END;
236conv_x123_x923: as_u32(dst) = as_u32(src) ^ 0x800000; goto CONV_END;
237conv_x123_329x: as_u32(dst) = swab32(as_u32(src)) ^ 0x8000; goto CONV_END;
238conv_x123_9230: as_u32(dst) = (as_u32(src) ^ 0x800000) << 8; goto CONV_END;
239conv_x123_0329: as_u32(dst) = (swab32(as_u32(src)) >> 8) ^ 0x80; goto CONV_END;
240conv_123x_xxx3: as_u8(dst) = (as_u32(src) >> 8) & 0xff; goto CONV_END;
241conv_123x_xx32: as_u16(dst) = swab16(as_u32(src) >> 8); goto CONV_END;
242conv_123x_xx23: as_u16(dst) = (as_u32(src) >> 8) & 0xffff; goto CONV_END;
243conv_123x_x321: as_u32(dst) = swab32(as_u32(src)); goto CONV_END;
244conv_123x_123x: as_u32(dst) = as_u32(src); goto CONV_END;
245conv_123x_3210: as_u32(dst) = swab32(as_u32(src)) << 8; goto CONV_END;
246conv_123x_0123: as_u32(dst) = as_u32(src) >> 8; goto CONV_END;
247conv_123x_xxxB: as_u8(dst) = ((as_u32(src) >> 8) & 0xff) ^ 0x80; goto CONV_END;
248conv_123x_xxB2: as_u16(dst) = swab16((as_u32(src) >> 8) ^ 0x80); goto CONV_END;
249conv_123x_xx2B: as_u16(dst) = ((as_u32(src) >> 8) & 0xffff) ^ 0x80; goto CONV_END;
250conv_123x_xB21: as_u32(dst) = swab32(as_u32(src)) ^ 0x800000; goto CONV_END;
251conv_123x_12Bx: as_u32(dst) = as_u32(src) ^ 0x8000; goto CONV_END;
252conv_123x_B210: as_u32(dst) = swab32(as_u32(src) ^ 0x8000) << 8; goto CONV_END;
253conv_123x_012B: as_u32(dst) = (as_u32(src) >> 8) ^ 0x80; goto CONV_END;
254conv_1234_xxx1: as_u8(dst) = as_u32(src) >> 24; goto CONV_END;
255conv_1234_xx12: as_u16(dst) = as_u32(src) >> 16; goto CONV_END;
256conv_1234_xx21: as_u16(dst) = swab16(as_u32(src) >> 16); goto CONV_END;
257conv_1234_x123: as_u32(dst) = as_u32(src) >> 8; goto CONV_END;
258conv_1234_321x: as_u32(dst) = swab32(as_u32(src)) << 8; goto CONV_END;
259conv_1234_1234: as_u32(dst) = as_u32(src); goto CONV_END;
260conv_1234_4321: as_u32(dst) = swab32(as_u32(src)); goto CONV_END;
261conv_1234_xxx9: as_u8(dst) = (as_u32(src) >> 24) ^ 0x80; goto CONV_END;
262conv_1234_xx92: as_u16(dst) = (as_u32(src) >> 16) ^ 0x8000; goto CONV_END;
263conv_1234_xx29: as_u16(dst) = swab16(as_u32(src) >> 16) ^ 0x80; goto CONV_END;
264conv_1234_x923: as_u32(dst) = (as_u32(src) >> 8) ^ 0x800000; goto CONV_END;
265conv_1234_329x: as_u32(dst) = (swab32(as_u32(src)) ^ 0x80) << 8; goto CONV_END;
266conv_1234_9234: as_u32(dst) = as_u32(src) ^ 0x80000000; goto CONV_END;
267conv_1234_4329: as_u32(dst) = swab32(as_u32(src)) ^ 0x80; goto CONV_END;
268conv_1234_xxx4: as_u8(dst) = as_u32(src) & 0xff; goto CONV_END;
269conv_1234_xx43: as_u16(dst) = swab16(as_u32(src)); goto CONV_END;
270conv_1234_xx34: as_u16(dst) = as_u32(src) & 0xffff; goto CONV_END;
271conv_1234_x432: as_u32(dst) = swab32(as_u32(src)) >> 8; goto CONV_END;
272conv_1234_234x: as_u32(dst) = as_u32(src) << 8; goto CONV_END;
273conv_1234_xxxC: as_u8(dst) = (as_u32(src) & 0xff) ^ 0x80; goto CONV_END;
274conv_1234_xxC3: as_u16(dst) = swab16(as_u32(src) ^ 0x80); goto CONV_END;
275conv_1234_xx3C: as_u16(dst) = (as_u32(src) & 0xffff) ^ 0x80; goto CONV_END;
276conv_1234_xC32: as_u32(dst) = (swab32(as_u32(src)) >> 8) ^ 0x800000; goto CONV_END;
277conv_1234_23Cx: as_u32(dst) = (as_u32(src) ^ 0x80) << 8; goto CONV_END;
278conv_1234_C321: as_u32(dst) = swab32(as_u32(src) ^ 0x80); goto CONV_END;
279conv_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 */
285static 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
306while(0) {
307get_s16_xxx1_xx10: sample = (u_int16_t)as_u8(src) << 8; goto GET_S16_END;
308get_s16_xxx1_xx90: sample = (u_int16_t)(as_u8(src) ^ 0x80) << 8; goto GET_S16_END;
309get_s16_xx12_xx12: sample = as_u16(src); goto GET_S16_END;
310get_s16_xx12_xx92: sample = as_u16(src) ^ 0x8000; goto GET_S16_END;
311get_s16_xx12_xx21: sample = swab16(as_u16(src)); goto GET_S16_END;
312get_s16_xx12_xxA1: sample = swab16(as_u16(src) ^ 0x80); goto GET_S16_END;
313get_s16_x123_xx12: sample = as_u32(src) >> 8; goto GET_S16_END;
314get_s16_x123_xx92: sample = (as_u32(src) >> 8) ^ 0x8000; goto GET_S16_END;
315get_s16_123x_xx32: sample = swab16(as_u32(src) >> 8); goto GET_S16_END;
316get_s16_123x_xxB2: sample = swab16((as_u32(src) >> 8) ^ 0x8000); goto GET_S16_END;
317get_s16_1234_xx12: sample = as_u32(src) >> 16; goto GET_S16_END;
318get_s16_1234_xx92: sample = (as_u32(src) >> 16) ^ 0x8000; goto GET_S16_END;
319get_s16_1234_xx43: sample = swab16(as_u32(src)); goto GET_S16_END;
320get_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 */
326static 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
347while (0) {
348put_s16_xx12_xxx1: as_u8(dst) = sample >> 8; goto PUT_S16_END;
349put_s16_xx12_xxx9: as_u8(dst) = (sample >> 8) ^ 0x80; goto PUT_S16_END;
350put_s16_xx12_xx12: as_u16(dst) = sample; goto PUT_S16_END;
351put_s16_xx12_xx92: as_u16(dst) = sample ^ 0x8000; goto PUT_S16_END;
352put_s16_xx12_xx21: as_u16(dst) = swab16(sample); goto PUT_S16_END;
353put_s16_xx12_xx29: as_u16(dst) = swab16(sample) ^ 0x80; goto PUT_S16_END;
354put_s16_xx12_x120: as_u32(dst) = (u_int32_t)sample << 8; goto PUT_S16_END;
355put_s16_xx12_x920: as_u32(dst) = (u_int32_t)(sample ^ 0x8000) << 8; goto PUT_S16_END;
356put_s16_xx12_021x: as_u32(dst) = (u_int32_t)swab16(sample) << 8; goto PUT_S16_END;
357put_s16_xx12_029x: as_u32(dst) = (u_int32_t)(swab16(sample) ^ 0x80) << 8; goto PUT_S16_END;
358put_s16_xx12_1200: as_u32(dst) = (u_int32_t)sample << 16; goto PUT_S16_END;
359put_s16_xx12_9200: as_u32(dst) = (u_int32_t)(sample ^ 0x8000) << 16; goto PUT_S16_END;
360put_s16_xx12_0021: as_u32(dst) = (u_int32_t)swab16(sample); goto PUT_S16_END;
361put_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
371