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author | Sean Bartell <wingedtachikoma@gmail.com> | 2011-06-25 21:32:25 -0400 |
---|---|---|
committer | Nils Wallménius <nils@rockbox.org> | 2012-04-25 22:13:20 +0200 |
commit | f40bfc9267b13b54e6379dfe7539447662879d24 (patch) | |
tree | 9b20069d5e62809ff434061ad730096836f916f2 /lib/rbcodec/codecs/libspeex/fixed_debug.h | |
parent | a0009907de7a0107d49040d8a180f140e2eff299 (diff) | |
download | rockbox-f40bfc9267b13b54e6379dfe7539447662879d24.tar.gz rockbox-f40bfc9267b13b54e6379dfe7539447662879d24.zip |
Add codecs to librbcodec.
Change-Id: Id7f4717d51ed02d67cb9f9cb3c0ada4a81843f97
Reviewed-on: http://gerrit.rockbox.org/137
Reviewed-by: Nils Wallménius <nils@rockbox.org>
Tested-by: Nils Wallménius <nils@rockbox.org>
Diffstat (limited to 'lib/rbcodec/codecs/libspeex/fixed_debug.h')
-rw-r--r-- | lib/rbcodec/codecs/libspeex/fixed_debug.h | 487 |
1 files changed, 487 insertions, 0 deletions
diff --git a/lib/rbcodec/codecs/libspeex/fixed_debug.h b/lib/rbcodec/codecs/libspeex/fixed_debug.h new file mode 100644 index 0000000000..d5c449f4d9 --- /dev/null +++ b/lib/rbcodec/codecs/libspeex/fixed_debug.h | |||
@@ -0,0 +1,487 @@ | |||
1 | /* Copyright (C) 2003 Jean-Marc Valin */ | ||
2 | /** | ||
3 | @file fixed_debug.h | ||
4 | @brief Fixed-point operations with debugging | ||
5 | */ | ||
6 | /* | ||
7 | Redistribution and use in source and binary forms, with or without | ||
8 | modification, are permitted provided that the following conditions | ||
9 | are met: | ||
10 | |||
11 | - Redistributions of source code must retain the above copyright | ||
12 | notice, this list of conditions and the following disclaimer. | ||
13 | |||
14 | - Redistributions in binary form must reproduce the above copyright | ||
15 | notice, this list of conditions and the following disclaimer in the | ||
16 | documentation and/or other materials provided with the distribution. | ||
17 | |||
18 | - Neither the name of the Xiph.org Foundation nor the names of its | ||
19 | contributors may be used to endorse or promote products derived from | ||
20 | this software without specific prior written permission. | ||
21 | |||
22 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
23 | ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
24 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
25 | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR | ||
26 | CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | ||
27 | EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | ||
28 | PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | ||
29 | PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | ||
30 | LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | ||
31 | NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | ||
32 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
33 | */ | ||
34 | |||
35 | #ifndef FIXED_DEBUG_H | ||
36 | #define FIXED_DEBUG_H | ||
37 | |||
38 | #include <stdio.h> | ||
39 | |||
40 | extern long long spx_mips; | ||
41 | #define MIPS_INC spx_mips++, | ||
42 | |||
43 | #define QCONST16(x,bits) ((spx_word16_t)(.5+(x)*(((spx_word32_t)1)<<(bits)))) | ||
44 | #define QCONST32(x,bits) ((spx_word32_t)(.5+(x)*(((spx_word32_t)1)<<(bits)))) | ||
45 | |||
46 | |||
47 | #define VERIFY_SHORT(x) ((x)<=32767&&(x)>=-32768) | ||
48 | #define VERIFY_INT(x) ((x)<=2147483647LL&&(x)>=-2147483648LL) | ||
49 | |||
50 | static inline short NEG16(int x) | ||
51 | { | ||
52 | int res; | ||
53 | if (!VERIFY_SHORT(x)) | ||
54 | { | ||
55 | fprintf (stderr, "NEG16: input is not short: %d\n", (int)x); | ||
56 | } | ||
57 | res = -x; | ||
58 | if (!VERIFY_SHORT(res)) | ||
59 | fprintf (stderr, "NEG16: output is not short: %d\n", (int)res); | ||
60 | spx_mips++; | ||
61 | return res; | ||
62 | } | ||
63 | static inline int NEG32(long long x) | ||
64 | { | ||
65 | long long res; | ||
66 | if (!VERIFY_INT(x)) | ||
67 | { | ||
68 | fprintf (stderr, "NEG16: input is not int: %d\n", (int)x); | ||
69 | } | ||
70 | res = -x; | ||
71 | if (!VERIFY_INT(res)) | ||
72 | fprintf (stderr, "NEG16: output is not int: %d\n", (int)res); | ||
73 | spx_mips++; | ||
74 | return res; | ||
75 | } | ||
76 | |||
77 | #define EXTRACT16(x) _EXTRACT16(x, __FILE__, __LINE__) | ||
78 | static inline short _EXTRACT16(int x, char *file, int line) | ||
79 | { | ||
80 | int res; | ||
81 | if (!VERIFY_SHORT(x)) | ||
82 | { | ||
83 | fprintf (stderr, "EXTRACT16: input is not short: %d in %s: line %d\n", x, file, line); | ||
84 | } | ||
85 | res = x; | ||
86 | spx_mips++; | ||
87 | return res; | ||
88 | } | ||
89 | |||
90 | #define EXTEND32(x) _EXTEND32(x, __FILE__, __LINE__) | ||
91 | static inline int _EXTEND32(int x, char *file, int line) | ||
92 | { | ||
93 | int res; | ||
94 | if (!VERIFY_SHORT(x)) | ||
95 | { | ||
96 | fprintf (stderr, "EXTEND32: input is not short: %d in %s: line %d\n", x, file, line); | ||
97 | } | ||
98 | res = x; | ||
99 | spx_mips++; | ||
100 | return res; | ||
101 | } | ||
102 | |||
103 | #define SHR16(a, shift) _SHR16(a, shift, __FILE__, __LINE__) | ||
104 | static inline short _SHR16(int a, int shift, char *file, int line) | ||
105 | { | ||
106 | int res; | ||
107 | if (!VERIFY_SHORT(a) || !VERIFY_SHORT(shift)) | ||
108 | { | ||
109 | fprintf (stderr, "SHR16: inputs are not short: %d >> %d in %s: line %d\n", a, shift, file, line); | ||
110 | } | ||
111 | res = a>>shift; | ||
112 | if (!VERIFY_SHORT(res)) | ||
113 | fprintf (stderr, "SHR16: output is not short: %d in %s: line %d\n", res, file, line); | ||
114 | spx_mips++; | ||
115 | return res; | ||
116 | } | ||
117 | #define SHL16(a, shift) _SHL16(a, shift, __FILE__, __LINE__) | ||
118 | static inline short _SHL16(int a, int shift, char *file, int line) | ||
119 | { | ||
120 | int res; | ||
121 | if (!VERIFY_SHORT(a) || !VERIFY_SHORT(shift)) | ||
122 | { | ||
123 | fprintf (stderr, "SHL16: inputs are not short: %d %d in %s: line %d\n", a, shift, file, line); | ||
124 | } | ||
125 | res = a<<shift; | ||
126 | if (!VERIFY_SHORT(res)) | ||
127 | fprintf (stderr, "SHL16: output is not short: %d in %s: line %d\n", res, file, line); | ||
128 | spx_mips++; | ||
129 | return res; | ||
130 | } | ||
131 | |||
132 | static inline int SHR32(long long a, int shift) | ||
133 | { | ||
134 | long long res; | ||
135 | if (!VERIFY_INT(a) || !VERIFY_SHORT(shift)) | ||
136 | { | ||
137 | fprintf (stderr, "SHR32: inputs are not int: %d %d\n", (int)a, shift); | ||
138 | } | ||
139 | res = a>>shift; | ||
140 | if (!VERIFY_INT(res)) | ||
141 | { | ||
142 | fprintf (stderr, "SHR32: output is not int: %d\n", (int)res); | ||
143 | } | ||
144 | spx_mips++; | ||
145 | return res; | ||
146 | } | ||
147 | static inline int SHL32(long long a, int shift) | ||
148 | { | ||
149 | long long res; | ||
150 | if (!VERIFY_INT(a) || !VERIFY_SHORT(shift)) | ||
151 | { | ||
152 | fprintf (stderr, "SHL32: inputs are not int: %d %d\n", (int)a, shift); | ||
153 | } | ||
154 | res = a<<shift; | ||
155 | if (!VERIFY_INT(res)) | ||
156 | { | ||
157 | fprintf (stderr, "SHL32: output is not int: %d\n", (int)res); | ||
158 | } | ||
159 | spx_mips++; | ||
160 | return res; | ||
161 | } | ||
162 | |||
163 | #define PSHR16(a,shift) (SHR16(ADD16((a),((1<<((shift))>>1))),shift)) | ||
164 | #define PSHR32(a,shift) (SHR32(ADD32((a),((1<<((shift))>>1))),shift)) | ||
165 | #define VSHR32(a, shift) (((shift)>0) ? SHR32(a, shift) : SHL32(a, -(shift))) | ||
166 | |||
167 | #define SATURATE16(x,a) (((x)>(a) ? (a) : (x)<-(a) ? -(a) : (x))) | ||
168 | #define SATURATE32(x,a) (((x)>(a) ? (a) : (x)<-(a) ? -(a) : (x))) | ||
169 | |||
170 | //#define SHR(a,shift) ((a) >> (shift)) | ||
171 | //#define SHL(a,shift) ((a) << (shift)) | ||
172 | |||
173 | #define ADD16(a, b) _ADD16(a, b, __FILE__, __LINE__) | ||
174 | static inline short _ADD16(int a, int b, char *file, int line) | ||
175 | { | ||
176 | int res; | ||
177 | if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b)) | ||
178 | { | ||
179 | fprintf (stderr, "ADD16: inputs are not short: %d %d in %s: line %d\n", a, b, file, line); | ||
180 | } | ||
181 | res = a+b; | ||
182 | if (!VERIFY_SHORT(res)) | ||
183 | { | ||
184 | fprintf (stderr, "ADD16: output is not short: %d+%d=%d in %s: line %d\n", a,b,res, file, line); | ||
185 | } | ||
186 | spx_mips++; | ||
187 | return res; | ||
188 | } | ||
189 | |||
190 | #define SUB16(a, b) _SUB16(a, b, __FILE__, __LINE__) | ||
191 | static inline short _SUB16(int a, int b, char *file, int line) | ||
192 | { | ||
193 | int res; | ||
194 | if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b)) | ||
195 | { | ||
196 | fprintf (stderr, "SUB16: inputs are not short: %d %d in %s: line %d\n", a, b, file, line); | ||
197 | } | ||
198 | res = a-b; | ||
199 | if (!VERIFY_SHORT(res)) | ||
200 | fprintf (stderr, "SUB16: output is not short: %d in %s: line %d\n", res, file, line); | ||
201 | spx_mips++; | ||
202 | return res; | ||
203 | } | ||
204 | |||
205 | #define ADD32(a, b) _ADD32(a, b, __FILE__, __LINE__) | ||
206 | static inline int _ADD32(long long a, long long b, char *file, int line) | ||
207 | { | ||
208 | long long res; | ||
209 | if (!VERIFY_INT(a) || !VERIFY_INT(b)) | ||
210 | { | ||
211 | fprintf (stderr, "ADD32: inputs are not int: %d %d in %s: line %d\n", (int)a, (int)b, file, line); | ||
212 | } | ||
213 | res = a+b; | ||
214 | if (!VERIFY_INT(res)) | ||
215 | { | ||
216 | fprintf (stderr, "ADD32: output is not int: %d in %s: line %d\n", (int)res, file, line); | ||
217 | } | ||
218 | spx_mips++; | ||
219 | return res; | ||
220 | } | ||
221 | |||
222 | static inline int SUB32(long long a, long long b) | ||
223 | { | ||
224 | long long res; | ||
225 | if (!VERIFY_INT(a) || !VERIFY_INT(b)) | ||
226 | { | ||
227 | fprintf (stderr, "SUB32: inputs are not int: %d %d\n", (int)a, (int)b); | ||
228 | } | ||
229 | res = a-b; | ||
230 | if (!VERIFY_INT(res)) | ||
231 | fprintf (stderr, "SUB32: output is not int: %d\n", (int)res); | ||
232 | spx_mips++; | ||
233 | return res; | ||
234 | } | ||
235 | |||
236 | #define ADD64(a,b) (MIPS_INC(a)+(b)) | ||
237 | |||
238 | /* result fits in 16 bits */ | ||
239 | static inline short MULT16_16_16(int a, int b) | ||
240 | { | ||
241 | int res; | ||
242 | if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b)) | ||
243 | { | ||
244 | fprintf (stderr, "MULT16_16_16: inputs are not short: %d %d\n", a, b); | ||
245 | } | ||
246 | res = a*b; | ||
247 | if (!VERIFY_SHORT(res)) | ||
248 | fprintf (stderr, "MULT16_16_16: output is not short: %d\n", res); | ||
249 | spx_mips++; | ||
250 | return res; | ||
251 | } | ||
252 | |||
253 | #define MULT16_16(a, b) _MULT16_16(a, b, __FILE__, __LINE__) | ||
254 | static inline int _MULT16_16(int a, int b, char *file, int line) | ||
255 | { | ||
256 | long long res; | ||
257 | if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b)) | ||
258 | { | ||
259 | fprintf (stderr, "MULT16_16: inputs are not short: %d %d in %s: line %d\n", a, b, file, line); | ||
260 | } | ||
261 | res = ((long long)a)*b; | ||
262 | if (!VERIFY_INT(res)) | ||
263 | fprintf (stderr, "MULT16_16: output is not int: %d in %s: line %d\n", (int)res, file, line); | ||
264 | spx_mips++; | ||
265 | return res; | ||
266 | } | ||
267 | |||
268 | #define MAC16_16(c,a,b) (spx_mips--,ADD32((c),MULT16_16((a),(b)))) | ||
269 | #define MAC16_16_Q11(c,a,b) (EXTRACT16(ADD16((c),EXTRACT16(SHR32(MULT16_16((a),(b)),11))))) | ||
270 | #define MAC16_16_Q13(c,a,b) (EXTRACT16(ADD16((c),EXTRACT16(SHR32(MULT16_16((a),(b)),13))))) | ||
271 | #define MAC16_16_P13(c,a,b) (EXTRACT16(ADD32((c),SHR32(ADD32(4096,MULT16_16((a),(b))),13)))) | ||
272 | |||
273 | |||
274 | #define MULT16_32_QX(a, b, Q) _MULT16_32_QX(a, b, Q, __FILE__, __LINE__) | ||
275 | static inline int _MULT16_32_QX(int a, long long b, int Q, char *file, int line) | ||
276 | { | ||
277 | long long res; | ||
278 | if (!VERIFY_SHORT(a) || !VERIFY_INT(b)) | ||
279 | { | ||
280 | fprintf (stderr, "MULT16_32_Q%d: inputs are not short+int: %d %d in %s: line %d\n", Q, (int)a, (int)b, file, line); | ||
281 | } | ||
282 | if (ABS32(b)>=(1<<(15+Q))) | ||
283 | fprintf (stderr, "MULT16_32_Q%d: second operand too large: %d %d in %s: line %d\n", Q, (int)a, (int)b, file, line); | ||
284 | res = (((long long)a)*(long long)b) >> Q; | ||
285 | if (!VERIFY_INT(res)) | ||
286 | fprintf (stderr, "MULT16_32_Q%d: output is not int: %d*%d=%d in %s: line %d\n", Q, (int)a, (int)b,(int)res, file, line); | ||
287 | spx_mips+=5; | ||
288 | return res; | ||
289 | } | ||
290 | |||
291 | static inline int MULT16_32_PX(int a, long long b, int Q) | ||
292 | { | ||
293 | long long res; | ||
294 | if (!VERIFY_SHORT(a) || !VERIFY_INT(b)) | ||
295 | { | ||
296 | fprintf (stderr, "MULT16_32_P%d: inputs are not short+int: %d %d\n", Q, (int)a, (int)b); | ||
297 | } | ||
298 | if (ABS32(b)>=(1<<(15+Q))) | ||
299 | fprintf (stderr, "MULT16_32_Q%d: second operand too large: %d %d\n", Q, (int)a, (int)b); | ||
300 | res = ((((long long)a)*(long long)b) + ((1<<Q)>>1))>> Q; | ||
301 | if (!VERIFY_INT(res)) | ||
302 | fprintf (stderr, "MULT16_32_P%d: output is not int: %d*%d=%d\n", Q, (int)a, (int)b,(int)res); | ||
303 | spx_mips+=5; | ||
304 | return res; | ||
305 | } | ||
306 | |||
307 | |||
308 | #define MULT16_32_Q11(a,b) MULT16_32_QX(a,b,11) | ||
309 | #define MAC16_32_Q11(c,a,b) ADD32((c),MULT16_32_Q11((a),(b))) | ||
310 | #define MULT16_32_Q12(a,b) MULT16_32_QX(a,b,12) | ||
311 | #define MULT16_32_Q13(a,b) MULT16_32_QX(a,b,13) | ||
312 | #define MULT16_32_Q14(a,b) MULT16_32_QX(a,b,14) | ||
313 | #define MULT16_32_Q15(a,b) MULT16_32_QX(a,b,15) | ||
314 | #define MULT16_32_P15(a,b) MULT16_32_PX(a,b,15) | ||
315 | #define MAC16_32_Q15(c,a,b) ADD32((c),MULT16_32_Q15((a),(b))) | ||
316 | |||
317 | static inline int SATURATE(int a, int b) | ||
318 | { | ||
319 | if (a>b) | ||
320 | a=b; | ||
321 | if (a<-b) | ||
322 | a = -b; | ||
323 | return a; | ||
324 | } | ||
325 | |||
326 | static inline int MULT16_16_Q11_32(int a, int b) | ||
327 | { | ||
328 | long long res; | ||
329 | if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b)) | ||
330 | { | ||
331 | fprintf (stderr, "MULT16_16_Q11: inputs are not short: %d %d\n", a, b); | ||
332 | } | ||
333 | res = ((long long)a)*b; | ||
334 | res >>= 11; | ||
335 | if (!VERIFY_INT(res)) | ||
336 | fprintf (stderr, "MULT16_16_Q11: output is not short: %d*%d=%d\n", (int)a, (int)b, (int)res); | ||
337 | spx_mips+=3; | ||
338 | return res; | ||
339 | } | ||
340 | static inline short MULT16_16_Q13(int a, int b) | ||
341 | { | ||
342 | long long res; | ||
343 | if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b)) | ||
344 | { | ||
345 | fprintf (stderr, "MULT16_16_Q13: inputs are not short: %d %d\n", a, b); | ||
346 | } | ||
347 | res = ((long long)a)*b; | ||
348 | res >>= 13; | ||
349 | if (!VERIFY_SHORT(res)) | ||
350 | fprintf (stderr, "MULT16_16_Q13: output is not short: %d*%d=%d\n", a, b, (int)res); | ||
351 | spx_mips+=3; | ||
352 | return res; | ||
353 | } | ||
354 | static inline short MULT16_16_Q14(int a, int b) | ||
355 | { | ||
356 | long long res; | ||
357 | if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b)) | ||
358 | { | ||
359 | fprintf (stderr, "MULT16_16_Q14: inputs are not short: %d %d\n", a, b); | ||
360 | } | ||
361 | res = ((long long)a)*b; | ||
362 | res >>= 14; | ||
363 | if (!VERIFY_SHORT(res)) | ||
364 | fprintf (stderr, "MULT16_16_Q14: output is not short: %d\n", (int)res); | ||
365 | spx_mips+=3; | ||
366 | return res; | ||
367 | } | ||
368 | static inline short MULT16_16_Q15(int a, int b) | ||
369 | { | ||
370 | long long res; | ||
371 | if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b)) | ||
372 | { | ||
373 | fprintf (stderr, "MULT16_16_Q15: inputs are not short: %d %d\n", a, b); | ||
374 | } | ||
375 | res = ((long long)a)*b; | ||
376 | res >>= 15; | ||
377 | if (!VERIFY_SHORT(res)) | ||
378 | { | ||
379 | fprintf (stderr, "MULT16_16_Q15: output is not short: %d\n", (int)res); | ||
380 | } | ||
381 | spx_mips+=3; | ||
382 | return res; | ||
383 | } | ||
384 | |||
385 | static inline short MULT16_16_P13(int a, int b) | ||
386 | { | ||
387 | long long res; | ||
388 | if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b)) | ||
389 | { | ||
390 | fprintf (stderr, "MULT16_16_P13: inputs are not short: %d %d\n", a, b); | ||
391 | } | ||
392 | res = ((long long)a)*b; | ||
393 | res += 4096; | ||
394 | if (!VERIFY_INT(res)) | ||
395 | fprintf (stderr, "MULT16_16_P13: overflow: %d*%d=%d\n", a, b, (int)res); | ||
396 | res >>= 13; | ||
397 | if (!VERIFY_SHORT(res)) | ||
398 | fprintf (stderr, "MULT16_16_P13: output is not short: %d*%d=%d\n", a, b, (int)res); | ||
399 | spx_mips+=4; | ||
400 | return res; | ||
401 | } | ||
402 | static inline short MULT16_16_P14(int a, int b) | ||
403 | { | ||
404 | long long res; | ||
405 | if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b)) | ||
406 | { | ||
407 | fprintf (stderr, "MULT16_16_P14: inputs are not short: %d %d\n", a, b); | ||
408 | } | ||
409 | res = ((long long)a)*b; | ||
410 | res += 8192; | ||
411 | if (!VERIFY_INT(res)) | ||
412 | fprintf (stderr, "MULT16_16_P14: overflow: %d*%d=%d\n", a, b, (int)res); | ||
413 | res >>= 14; | ||
414 | if (!VERIFY_SHORT(res)) | ||
415 | fprintf (stderr, "MULT16_16_P14: output is not short: %d*%d=%d\n", a, b, (int)res); | ||
416 | spx_mips+=4; | ||
417 | return res; | ||
418 | } | ||
419 | static inline short MULT16_16_P15(int a, int b) | ||
420 | { | ||
421 | long long res; | ||
422 | if (!VERIFY_SHORT(a) || !VERIFY_SHORT(b)) | ||
423 | { | ||
424 | fprintf (stderr, "MULT16_16_P15: inputs are not short: %d %d\n", a, b); | ||
425 | } | ||
426 | res = ((long long)a)*b; | ||
427 | res += 16384; | ||
428 | if (!VERIFY_INT(res)) | ||
429 | fprintf (stderr, "MULT16_16_P15: overflow: %d*%d=%d\n", a, b, (int)res); | ||
430 | res >>= 15; | ||
431 | if (!VERIFY_SHORT(res)) | ||
432 | fprintf (stderr, "MULT16_16_P15: output is not short: %d*%d=%d\n", a, b, (int)res); | ||
433 | spx_mips+=4; | ||
434 | return res; | ||
435 | } | ||
436 | |||
437 | #define DIV32_16(a, b) _DIV32_16(a, b, __FILE__, __LINE__) | ||
438 | |||
439 | static inline int _DIV32_16(long long a, long long b, char *file, int line) | ||
440 | { | ||
441 | long long res; | ||
442 | if (b==0) | ||
443 | { | ||
444 | fprintf(stderr, "DIV32_16: divide by zero: %d/%d in %s: line %d\n", (int)a, (int)b, file, line); | ||
445 | return 0; | ||
446 | } | ||
447 | if (!VERIFY_INT(a) || !VERIFY_SHORT(b)) | ||
448 | { | ||
449 | fprintf (stderr, "DIV32_16: inputs are not int/short: %d %d in %s: line %d\n", (int)a, (int)b, file, line); | ||
450 | } | ||
451 | res = a/b; | ||
452 | if (!VERIFY_SHORT(res)) | ||
453 | { | ||
454 | fprintf (stderr, "DIV32_16: output is not short: %d / %d = %d in %s: line %d\n", (int)a,(int)b,(int)res, file, line); | ||
455 | if (res>32767) | ||
456 | res = 32767; | ||
457 | if (res<-32768) | ||
458 | res = -32768; | ||
459 | } | ||
460 | spx_mips+=20; | ||
461 | return res; | ||
462 | } | ||
463 | |||
464 | #define DIV32(a, b) _DIV32(a, b, __FILE__, __LINE__) | ||
465 | static inline int _DIV32(long long a, long long b, char *file, int line) | ||
466 | { | ||
467 | long long res; | ||
468 | if (b==0) | ||
469 | { | ||
470 | fprintf(stderr, "DIV32: divide by zero: %d/%d in %s: line %d\n", (int)a, (int)b, file, line); | ||
471 | return 0; | ||
472 | } | ||
473 | |||
474 | if (!VERIFY_INT(a) || !VERIFY_INT(b)) | ||
475 | { | ||
476 | fprintf (stderr, "DIV32: inputs are not int/short: %d %d in %s: line %d\n", (int)a, (int)b, file, line); | ||
477 | } | ||
478 | res = a/b; | ||
479 | if (!VERIFY_INT(res)) | ||
480 | fprintf (stderr, "DIV32: output is not int: %d in %s: line %d\n", (int)res, file, line); | ||
481 | spx_mips+=36; | ||
482 | return res; | ||
483 | } | ||
484 | #define PDIV32(a,b) DIV32(ADD32((a),(b)>>1),b) | ||
485 | #define PDIV32_16(a,b) DIV32_16(ADD32((a),(b)>>1),b) | ||
486 | |||
487 | #endif | ||