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8b082fb1 TS |
1 | // -*- C -*- |
2 | ||
3 | // Simulator definition for the MIPS DSP REV 2 ASE. | |
ecd75fc8 | 4 | // Copyright (C) 2007-2014 Free Software Foundation, Inc. |
8bf3ddc8 TS |
5 | // Contributed by MIPS Technologies, Inc. |
6 | // Written by Chao-ying Fu (fu@mips.com). | |
8b082fb1 TS |
7 | // |
8 | // This file is part of GDB, the GNU debugger. | |
9 | // | |
10 | // This program is free software; you can redistribute it and/or modify | |
11 | // it under the terms of the GNU General Public License as published by | |
4744ac1b JB |
12 | // the Free Software Foundation; either version 3 of the License, or |
13 | // (at your option) any later version. | |
8b082fb1 TS |
14 | // |
15 | // This program is distributed in the hope that it will be useful, | |
16 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | // GNU General Public License for more details. | |
19 | // | |
20 | // You should have received a copy of the GNU General Public License | |
4744ac1b | 21 | // along with this program. If not, see <http://www.gnu.org/licenses/>. |
8b082fb1 TS |
22 | |
23 | ||
24 | // op: 0 = ADD, 1 = SUB | |
25 | // sat: 0 = no saturation, 1 = saturation | |
26 | :function:::void:do_u_ph_op:int rd, int rs, int rt, int op, int sat | |
27 | { | |
28 | int i; | |
29 | unsigned32 h0; | |
30 | unsigned16 h1, h2; | |
31 | unsigned32 v1 = GPR[rs]; | |
32 | unsigned32 v2 = GPR[rt]; | |
33 | unsigned32 result = 0; | |
34 | for (i = 0; i < 32; i += 16, v1 >>= 16, v2 >>= 16) | |
35 | { | |
36 | h1 = (unsigned16)(v1 & 0xffff); | |
37 | h2 = (unsigned16)(v2 & 0xffff); | |
38 | if (op == 0) // ADD | |
39 | h0 = (unsigned32)h1 + (unsigned32)h2; | |
40 | else // SUB | |
41 | h0 = (unsigned32)h1 - (unsigned32)h2; | |
42 | if (op == 0 && (h0 > (unsigned32)0x0000ffff)) // ADD SAT | |
43 | { | |
44 | DSPCR |= DSPCR_OUFLAG4; | |
45 | if (sat == 1) | |
46 | h0 = 0xffff; | |
47 | } | |
48 | else if (op == 1 && h1 < h2) // SUB SAT | |
49 | { | |
50 | DSPCR |= DSPCR_OUFLAG4; | |
51 | if (sat == 1) | |
52 | h0 = 0x0; | |
53 | } | |
54 | result |= ((unsigned32)((unsigned16)h0) << i); | |
55 | } | |
56 | GPR[rd] = EXTEND32 (result); | |
57 | } | |
58 | ||
59 | // op: 0 = ADD, 1 = SUB | |
60 | // round: 0 = no rounding, 1 = rounding | |
61 | :function:::void:do_uh_qb_op:int rd, int rs, int rt, int op, int round | |
62 | { | |
63 | int i; | |
64 | unsigned32 h0; | |
65 | unsigned8 h1, h2; | |
66 | unsigned32 v1 = GPR[rs]; | |
67 | unsigned32 v2 = GPR[rt]; | |
68 | unsigned32 result = 0; | |
69 | for (i = 0; i < 32; i += 8, v1 >>= 8, v2 >>= 8) | |
70 | { | |
71 | h1 = (unsigned8)(v1 & 0xff); | |
72 | h2 = (unsigned8)(v2 & 0xff); | |
73 | if (op == 0) // ADD | |
74 | h0 = (unsigned32)h1 + (unsigned32)h2; | |
75 | else // SUB | |
76 | h0 = (unsigned32)h1 - (unsigned32)h2; | |
77 | if (round == 1) | |
78 | h0 = (h0 + 1) >> 1; | |
79 | else | |
80 | h0 = h0 >> 1; | |
81 | result |= ((unsigned32)((unsigned8)h0) << i); | |
82 | } | |
83 | GPR[rd] = EXTEND32 (result); | |
84 | } | |
85 | ||
86 | // op: 0 = EQ, 1 = LT, 2 = LE | |
87 | :function:::void:do_qb_cmpgdu:int rd, int rs, int rt, int op | |
88 | { | |
89 | int i, j; | |
90 | unsigned32 v1 = GPR[rs]; | |
91 | unsigned32 v2 = GPR[rt]; | |
92 | unsigned8 h1, h2; | |
93 | unsigned32 result = 0; | |
94 | unsigned32 mask; | |
95 | for (i = 0, j = 0; i < 32; i += 8, j++, v1 >>= 8, v2 >>= 8) | |
96 | { | |
97 | h1 = (unsigned8)(v1 & 0xff); | |
98 | h2 = (unsigned8)(v2 & 0xff); | |
99 | mask = ~(1 << (DSPCR_CCOND_SHIFT + j)); | |
100 | DSPCR &= mask; | |
101 | if (op == 0) // EQ | |
102 | { | |
103 | result |= ((h1 == h2) << j); | |
104 | DSPCR |= ((h1 == h2) << (DSPCR_CCOND_SHIFT + j)); | |
105 | } | |
106 | else if (op == 1) // LT | |
107 | { | |
108 | result |= ((h1 < h2) << j); | |
109 | DSPCR |= ((h1 < h2) << (DSPCR_CCOND_SHIFT + j)); | |
110 | } | |
111 | else // LE | |
112 | { | |
113 | result |= ((h1 <= h2) << j); | |
114 | DSPCR |= ((h1 <= h2) << (DSPCR_CCOND_SHIFT + j)); | |
115 | } | |
116 | } | |
117 | GPR[rd] = EXTEND32 (result); | |
118 | } | |
119 | ||
120 | // op: 0 = DPA 1 = DPS | |
121 | :function:::void:do_w_ph_dot_product:int ac, int rs, int rt, int op | |
122 | { | |
123 | int i; | |
124 | unsigned32 v1 = GPR[rs]; | |
125 | unsigned32 v2 = GPR[rt]; | |
126 | signed16 h1, h2; | |
127 | signed32 result; | |
128 | unsigned32 lo = DSPLO(ac); | |
129 | unsigned32 hi = DSPHI(ac); | |
130 | signed64 prod = (signed64)((((unsigned64)hi) << 32) + (unsigned64)lo); | |
131 | for (i = 0; i < 32; i += 16, v1 >>= 16, v2 >>= 16) | |
132 | { | |
133 | h1 = (signed16)(v1 & 0xffff); | |
134 | h2 = (signed16)(v2 & 0xffff); | |
135 | result = (signed32)h1 * (signed32)h2; | |
136 | if (op == 0) // DPA | |
137 | prod += (signed64)result; | |
138 | else // DPS | |
139 | prod -= (signed64)result; | |
140 | } | |
141 | DSPLO(ac) = EXTEND32 (prod); | |
142 | DSPHI(ac) = EXTEND32 (prod >> 32); | |
143 | } | |
144 | ||
145 | // round: 0 = no rounding, 1 = rounding | |
146 | :function:::void:do_w_mulq:int rd, int rs, int rt, int round | |
147 | { | |
148 | unsigned32 v1 = GPR[rs]; | |
149 | unsigned32 v2 = GPR[rt]; | |
150 | signed32 w1, w2; | |
151 | signed64 prod; | |
152 | unsigned32 result; | |
153 | w1 = (signed32) v1; | |
154 | w2 = (signed32 )v2; | |
155 | if (w1 == (signed32) 0x80000000 && w2 == (signed32) 0x80000000) | |
156 | { | |
157 | DSPCR |= DSPCR_OUFLAG5; | |
158 | prod = 0x7fffffff; | |
159 | } | |
160 | else | |
161 | { | |
162 | prod = ((signed64) w1 * (signed64) w2) << 1; | |
163 | if (round == 1) | |
164 | prod += 0x0000000080000000LL; | |
165 | prod = prod >> 32; | |
166 | } | |
167 | result = (unsigned32) prod; | |
168 | GPR[rd] = EXTEND32 (result); | |
169 | } | |
170 | ||
171 | // round: 0 = no rounding, 1 = rounding | |
172 | :function:::void:do_precr_sra:int rt, int rs, int sa, int round | |
173 | { | |
174 | unsigned32 v1 = GPR[rt]; | |
175 | unsigned32 v2 = GPR[rs]; | |
176 | signed32 w1 = (signed32) v1; | |
177 | signed32 w2 = (signed32) v2; | |
178 | signed32 result; | |
179 | if (sa != 0) | |
180 | { | |
181 | if (round == 1 && (w1 & (1 << (sa - 1)))) | |
182 | w1 = (w1 >> sa) + 1; | |
183 | else | |
184 | w1 = w1 >> sa; | |
185 | ||
186 | if (round == 1 && (w2 & (1 << (sa - 1)))) | |
187 | w2 = (w2 >> sa) + 1; | |
188 | else | |
189 | w2 = w2 >> sa; | |
190 | } | |
191 | result = (w1 << 16) | (w2 & 0xffff); | |
192 | GPR[rt] = EXTEND32 (result); | |
193 | } | |
194 | ||
195 | // round: 0 = no rounding, 1 = rounding | |
196 | :function:::void:do_qb_shra:int rd, int rt, int shift, int round | |
197 | { | |
198 | int i, j; | |
199 | signed8 q0; | |
200 | unsigned32 v1 = GPR[rt]; | |
201 | unsigned32 result = 0; | |
202 | for (i = 0; i < 32; i += 8, v1 >>= 8) | |
203 | { | |
204 | q0 = (signed8)(v1 & 0xff); | |
205 | if (shift != 0) | |
206 | { | |
207 | if (round == 1 && (q0 & (1 << (shift - 1)))) | |
208 | q0 = (q0 >> shift) + 1; | |
209 | else | |
210 | q0 = q0 >> shift; | |
211 | } | |
212 | result |= ((unsigned32)((unsigned8)q0) << i); | |
213 | } | |
214 | GPR[rd] = EXTEND32 (result); | |
215 | } | |
216 | ||
217 | :function:::void:do_ph_shrl:int rd, int rt, int shift | |
218 | { | |
219 | int i, j; | |
220 | unsigned16 h0; | |
221 | unsigned32 v1 = GPR[rt]; | |
222 | unsigned32 result = 0; | |
223 | for (i = 0; i < 32; i += 16, v1 >>= 16) | |
224 | { | |
225 | h0 = (unsigned16)(v1 & 0xffff); | |
226 | h0 = h0 >> shift; | |
227 | result |= ((unsigned32)h0 << i); | |
228 | } | |
229 | GPR[rd] = EXTEND32 (result); | |
230 | } | |
231 | ||
232 | // op: 0 = ADD, 1 = SUB | |
233 | // round: 0 = no rounding, 1 = rounding | |
234 | :function:::void:do_qh_ph_op:int rd, int rs, int rt, int op, int round | |
235 | { | |
236 | int i; | |
237 | signed32 h0; | |
238 | signed16 h1, h2; | |
239 | unsigned32 v1 = GPR[rs]; | |
240 | unsigned32 v2 = GPR[rt]; | |
241 | unsigned32 result = 0; | |
242 | for (i = 0; i < 32; i += 16, v1 >>= 16, v2 >>= 16) | |
243 | { | |
244 | h1 = (signed16)(v1 & 0xffff); | |
245 | h2 = (signed16)(v2 & 0xffff); | |
246 | if (op == 0) // ADD | |
247 | h0 = (signed32)h1 + (signed32)h2; | |
248 | else // SUB | |
249 | h0 = (signed32)h1 - (signed32)h2; | |
250 | if (round == 1) | |
251 | h0 = (h0 + 1) >> 1; | |
252 | else | |
253 | h0 = h0 >> 1; | |
254 | result |= ((unsigned32)((unsigned16)h0) << i); | |
255 | } | |
256 | GPR[rd] = EXTEND32 (result); | |
257 | } | |
258 | ||
259 | // op: 0 = ADD, 1 = SUB | |
260 | // round: 0 = no rounding, 1 = rounding | |
261 | :function:::void:do_qh_w_op:int rd, int rs, int rt, int op, int round | |
262 | { | |
263 | int i; | |
264 | signed64 v0; | |
265 | signed32 v1 = (signed32)GPR[rs]; | |
266 | signed32 v2 = (signed32)GPR[rt]; | |
267 | if (op == 0) // ADD | |
268 | v0 = (signed64)v1 + (signed64)v2; | |
269 | else // SUB | |
270 | v0 = (signed64)v1 - (signed64)v2; | |
271 | if (round == 1) | |
272 | v0 = (v0 + 1) >> 1; | |
273 | else | |
274 | v0 = v0 >> 1; | |
275 | GPR[rd] = EXTEND32 (v0); | |
276 | } | |
277 | ||
278 | // op: 0 = DPAX, 1 = DPSX | |
279 | :function:::void:do_x_w_ph_dot_product:int ac, int rs, int rt, int op | |
280 | { | |
281 | int i; | |
282 | unsigned32 v1 = GPR[rs]; | |
283 | unsigned32 v2 = GPR[rt]; | |
284 | signed16 h1, h2; | |
285 | signed32 result; | |
286 | unsigned32 lo = DSPLO(ac); | |
287 | unsigned32 hi = DSPHI(ac); | |
288 | signed64 prod = (signed64)((((unsigned64)hi) << 32) + (unsigned64)lo); | |
289 | for (i = 0; i < 32; i += 16, v1 >>= 16, v2 <<= 16) | |
290 | { | |
291 | h1 = (signed16)(v1 & 0xffff); | |
292 | h2 = (signed16)((v2 & 0xffff0000) >> 16); | |
293 | result = (signed32)h1 * (signed32)h2; | |
294 | if (op == 0) // DPAX | |
295 | prod += (signed64)result; | |
296 | else // DPSX | |
297 | prod -= (signed64)result; | |
298 | } | |
299 | DSPLO(ac) = EXTEND32 (prod); | |
300 | DSPHI(ac) = EXTEND32 (prod >> 32); | |
301 | } | |
302 | ||
303 | // op: 0 = DPAQX, 1 = DPSQX | |
304 | // sat: 0 = no saturation, 1 = saturation of the accumulator | |
305 | :function:::void:do_qx_w_ph_dot_product:int ac, int rs, int rt, int op, int sat | |
306 | { | |
307 | int i; | |
308 | unsigned32 v1 = GPR[rs]; | |
309 | unsigned32 v2 = GPR[rt]; | |
310 | signed16 h1, h2; | |
311 | signed32 result; | |
312 | unsigned32 lo = DSPLO(ac); | |
313 | unsigned32 hi = DSPHI(ac); | |
314 | signed64 prod = (signed64)((((unsigned64)hi) << 32) + (unsigned64)lo); | |
315 | signed64 max, min; | |
316 | for (i = 0; i < 32; i += 16, v1 >>= 16, v2 <<= 16) | |
317 | { | |
318 | h1 = (signed16)(v1 & 0xffff); | |
319 | h2 = (signed16)((v2 & 0xffff0000) >> 16); | |
320 | if (h1 == (signed16)0x8000 && h2 == (signed16)0x8000) | |
321 | { | |
322 | DSPCR |= (1 << (DSPCR_OUFLAG_SHIFT + ac)); | |
323 | result = 0x7fffffff; | |
324 | } | |
325 | else | |
326 | result = ((signed32)h1 * (signed32)h2) << 1; | |
327 | if (op == 0) // DPAQX | |
328 | prod += (signed64)result; | |
329 | else // DPSQX | |
330 | prod -= (signed64)result; | |
331 | } | |
332 | // Saturation on the accumulator. | |
333 | if (sat == 1) | |
334 | { | |
335 | max = (signed64) 0x7fffffffLL; | |
336 | min = (signed64) 0xffffffff80000000LL; | |
337 | if (prod > max) | |
338 | { | |
339 | DSPCR |= (1 << (DSPCR_OUFLAG_SHIFT + ac)); | |
340 | prod = max; | |
341 | } | |
342 | else if (prod < min) | |
343 | { | |
344 | DSPCR |= (1 << (DSPCR_OUFLAG_SHIFT + ac)); | |
345 | prod = min; | |
346 | } | |
347 | } | |
348 | DSPLO(ac) = EXTEND32 (prod); | |
349 | DSPHI(ac) = EXTEND32 (prod >> 32); | |
350 | } | |
351 | ||
352 | 011111,00000,5.RT,5.RD,00001,010010:SPECIAL3:32::ABSQ_S.QB | |
353 | "absq_s.qb r<RD>, r<RT>" | |
354 | *dsp2: | |
355 | { | |
356 | int i; | |
357 | signed8 q0; | |
358 | unsigned32 v1 = GPR[RT]; | |
359 | unsigned32 result = 0; | |
360 | for (i = 0; i < 32; i += 8, v1 >>= 8) | |
361 | { | |
362 | q0 = (signed8)(v1 & 0xff); | |
363 | if (q0 == (signed8)0x80) | |
364 | { | |
365 | DSPCR |= DSPCR_OUFLAG4; | |
366 | q0 = 0x7f; | |
367 | } | |
368 | else if (q0 & 0x80) | |
369 | q0 = -q0; | |
370 | result |= ((unsigned32)((unsigned8)q0) << i); | |
371 | } | |
372 | GPR[RD] = EXTEND32 (result); | |
373 | } | |
374 | ||
375 | 011111,5.RS,5.RT,5.RD,01000,010000:SPECIAL3:32::ADDU.PH | |
376 | "addu.ph r<RD>, r<RS>, r<RT>" | |
377 | *dsp2: | |
378 | { | |
379 | do_u_ph_op (SD_, RD, RS, RT, 0, 0); | |
380 | } | |
381 | ||
382 | 011111,5.RS,5.RT,5.RD,01100,010000:SPECIAL3:32::ADDU_S.PH | |
383 | "addu_s.ph r<RD>, r<RS>, r<RT>" | |
384 | *dsp2: | |
385 | { | |
386 | do_u_ph_op (SD_, RD, RS, RT, 0, 1); | |
387 | } | |
388 | ||
389 | 011111,5.RS,5.RT,5.RD,00000,011000:SPECIAL3:32::ADDUH.QB | |
390 | "adduh.qb r<RD>, r<RS>, r<RT>" | |
391 | *dsp2: | |
392 | { | |
393 | do_uh_qb_op (SD_, RD, RS, RT, 0, 0); | |
394 | } | |
395 | ||
396 | 011111,5.RS,5.RT,5.RD,00010,011000:SPECIAL3:32::ADDUH_R.QB | |
397 | "adduh_r.qb r<RD>, r<RS>, r<RT>" | |
398 | *dsp2: | |
399 | { | |
400 | do_uh_qb_op (SD_, RD, RS, RT, 0, 1); | |
401 | } | |
402 | ||
403 | 011111,5.RS,5.RT,5.SA,00000,110001:SPECIAL3:32::APPEND | |
404 | "append r<RT>, r<RS>, <SA>" | |
405 | *dsp2: | |
406 | { | |
407 | unsigned32 v0 = GPR[RS]; | |
408 | unsigned32 v1 = GPR[RT]; | |
409 | unsigned32 result; | |
410 | unsigned32 mask = (1 << SA) - 1; | |
411 | result = (v1 << SA) | (v0 & mask); | |
412 | GPR[RT] = EXTEND32 (result); | |
413 | } | |
414 | ||
415 | 011111,5.RS,5.RT,000,2.BP,10000,110001:SPECIAL3:32::BALIGN | |
416 | "balign r<RT>, r<RS>, <BP>" | |
417 | *dsp2: | |
418 | { | |
419 | unsigned32 v0 = GPR[RS]; | |
420 | unsigned32 v1 = GPR[RT]; | |
421 | unsigned32 result; | |
422 | if (BP == 0) | |
423 | result = v1; | |
424 | else | |
425 | result = (v1 << 8 * BP) | (v0 >> 8 * (4 - BP)); | |
426 | GPR[RT] = EXTEND32 (result); | |
427 | } | |
428 | ||
429 | 011111,5.RS,5.RT,5.RD,11000,010001:SPECIAL3:32::CMPGDU.EQ.QB | |
430 | "cmpgdu.eq.qb r<RD>, r<RS>, r<RT>" | |
431 | *dsp2: | |
432 | { | |
433 | do_qb_cmpgdu (SD_, RD, RS, RT, 0); | |
434 | } | |
435 | ||
436 | 011111,5.RS,5.RT,5.RD,11001,010001:SPECIAL3:32::CMPGDU.LT.QB | |
437 | "cmpgdu.lt.qb r<RD>, r<RS>, r<RT>" | |
438 | *dsp2: | |
439 | { | |
440 | do_qb_cmpgdu (SD_, RD, RS, RT, 1); | |
441 | } | |
442 | ||
443 | 011111,5.RS,5.RT,5.RD,11010,010001:SPECIAL3:32::CMPGDU.LE.QB | |
444 | "cmpgdu.le.qb r<RD>, r<RS>, r<RT>" | |
445 | *dsp2: | |
446 | { | |
447 | do_qb_cmpgdu (SD_, RD, RS, RT, 2); | |
448 | } | |
449 | ||
450 | 011111,5.RS,5.RT,000,2.AC,00000,110000:SPECIAL3:32::DPA.W.PH | |
451 | "dpa.w.ph ac<AC>, r<RS>, r<RT>" | |
452 | *dsp2: | |
453 | { | |
454 | do_w_ph_dot_product (SD_, AC, RS, RT, 0); | |
455 | } | |
456 | ||
457 | 011111,5.RS,5.RT,000,2.AC,00001,110000:SPECIAL3:32::DPS.W.PH | |
458 | "dps.w.ph ac<AC>, r<RS>, r<RT>" | |
459 | *dsp2: | |
460 | { | |
461 | do_w_ph_dot_product (SD_, AC, RS, RT, 1); | |
462 | } | |
463 | ||
464 | 011111,5.RS,5.RT,5.RD,01100,011000:SPECIAL3:32::MUL.PH | |
465 | "mul.ph r<RD>, r<RS>, r<RT>" | |
466 | *dsp2: | |
467 | { | |
468 | do_ph_op (SD_, RD, RS, RT, 2, 0); | |
469 | } | |
470 | ||
471 | 011111,5.RS,5.RT,5.RD,01110,011000:SPECIAL3:32::MUL_S.PH | |
472 | "mul_s.ph r<RD>, r<RS>, r<RT>" | |
473 | *dsp2: | |
474 | { | |
475 | do_ph_op (SD_, RD, RS, RT, 2, 1); | |
476 | } | |
477 | ||
478 | 011111,5.RS,5.RT,5.RD,10111,011000:SPECIAL3:32::MULQ_RS.W | |
479 | "mulq_rs.w r<RD>, r<RS>, r<RT>" | |
480 | *dsp2: | |
481 | { | |
482 | do_w_mulq (SD_, RD, RS, RT, 1); | |
483 | } | |
484 | ||
485 | 011111,5.RS,5.RT,5.RD,11110,010000:SPECIAL3:32::MULQ_S.PH | |
486 | "mulq_s.ph r<RD>, r<RS>, r<RT>" | |
487 | *dsp2: | |
488 | { | |
489 | do_ph_mulq (SD_, RD, RS, RT, 0); | |
490 | } | |
491 | ||
492 | 011111,5.RS,5.RT,5.RD,10110,011000:SPECIAL3:32::MULQ_S.W | |
493 | "mulq_s.w r<RD>, r<RS>, r<RT>" | |
494 | *dsp2: | |
495 | { | |
496 | do_w_mulq (SD_, RD, RS, RT, 0); | |
497 | } | |
498 | ||
499 | 011111,5.RS,5.RT,000,2.AC,00010,110000:SPECIAL3:32::MULSA.W.PH | |
500 | "mulsa.w.ph ac<AC>, r<RS>, r<RT>" | |
501 | *dsp2: | |
502 | { | |
503 | int i; | |
504 | unsigned32 v1 = GPR[RS]; | |
505 | unsigned32 v2 = GPR[RT]; | |
506 | signed16 h1, h2; | |
507 | signed32 result; | |
508 | unsigned32 lo = DSPLO(AC); | |
509 | unsigned32 hi = DSPHI(AC); | |
510 | signed64 prod = (signed64)((((unsigned64)hi) << 32) + (unsigned64)lo); | |
511 | for (i = 0; i < 32; i += 16, v1 >>= 16, v2 >>= 16) | |
512 | { | |
513 | h1 = (signed16)(v1 & 0xffff); | |
514 | h2 = (signed16)(v2 & 0xffff); | |
515 | result = (signed32)h1 * (signed32)h2; | |
516 | ||
517 | if (i == 0) | |
518 | prod -= (signed64) result; | |
519 | else | |
520 | prod += (signed64) result; | |
521 | } | |
522 | DSPLO(AC) = EXTEND32 (prod); | |
523 | DSPHI(AC) = EXTEND32 (prod >> 32); | |
524 | } | |
525 | ||
526 | 011111,5.RS,5.RT,5.RD,01101,010001:SPECIAL3:32::PRECR.QB.PH | |
527 | "precr.qb.ph r<RD>, r<RS>, r<RT>" | |
528 | *dsp2: | |
529 | { | |
530 | unsigned32 v1 = GPR[RS]; | |
531 | unsigned32 v2 = GPR[RT]; | |
532 | unsigned32 tempu = (v1 & 0xff0000) >> 16; | |
533 | unsigned32 tempv = (v1 & 0xff); | |
534 | unsigned32 tempw = (v2 & 0xff0000) >> 16; | |
535 | unsigned32 tempx = (v2 & 0xff); | |
536 | GPR[RD] = EXTEND32 ((tempu << 24) | (tempv << 16) | (tempw << 8) | tempx); | |
537 | } | |
538 | ||
539 | 011111,5.RS,5.RT,5.SA,11110,010001:SPECIAL3:32::PRECR_SRA.PH.W | |
540 | "precr_sra.ph.w r<RT>, r<RS>, <SA>" | |
541 | *dsp2: | |
542 | { | |
543 | do_precr_sra (SD_, RT, RS, SA, 0); | |
544 | } | |
545 | ||
546 | 011111,5.RS,5.RT,5.SA,11111,010001:SPECIAL3:32::PRECR_SRA_R.PH.W | |
547 | "precr_sra_r.ph.w r<RT>, r<RS>, <SA>" | |
548 | *dsp2: | |
549 | { | |
550 | do_precr_sra (SD_, RT, RS, SA, 1); | |
551 | } | |
552 | ||
553 | 011111,5.RS,5.RT,5.SA,00001,110001:SPECIAL3:32::PREPEND | |
554 | "prepend r<RT>, r<RS>, <SA>" | |
555 | *dsp2: | |
556 | { | |
557 | unsigned32 v0 = GPR[RS]; | |
558 | unsigned32 v1 = GPR[RT]; | |
559 | unsigned32 result; | |
560 | if (SA == 0) | |
561 | result = v1; | |
562 | else | |
563 | result = (v0 << (32 - SA)) | (v1 >> SA); | |
564 | GPR[RT] = EXTEND32 (result); | |
565 | } | |
566 | ||
567 | 011111,00,3.SHIFT3,5.RT,5.RD,00100,010011:SPECIAL3:32::SHRA.QB | |
568 | "shra.qb r<RD>, r<RT>, <SHIFT3>" | |
569 | *dsp2: | |
570 | { | |
571 | do_qb_shra (SD_, RD, RT, SHIFT3, 0); | |
572 | } | |
573 | ||
574 | 011111,00,3.SHIFT3,5.RT,5.RD,00101,010011:SPECIAL3:32::SHRA_R.QB | |
575 | "shra_r.qb r<RD>, r<RT>, <SHIFT3>" | |
576 | *dsp2: | |
577 | { | |
578 | do_qb_shra (SD_, RD, RT, SHIFT3, 1); | |
579 | } | |
580 | ||
581 | 011111,5.RS,5.RT,5.RD,00110,010011:SPECIAL3:32::SHRAV.QB | |
582 | "shrav.qb r<RD>, r<RT>, r<RS>" | |
583 | *dsp2: | |
584 | { | |
585 | unsigned32 shift = GPR[RS] & 0x7; | |
586 | do_qb_shra (SD_, RD, RT, shift, 0); | |
587 | } | |
588 | ||
589 | 011111,5.RS,5.RT,5.RD,00111,010011:SPECIAL3:32::SHRAV_R.QB | |
590 | "shrav_r.qb r<RD>, r<RT>, r<RS>" | |
591 | *dsp2: | |
592 | { | |
593 | unsigned32 shift = GPR[RS] & 0x7; | |
594 | do_qb_shra (SD_, RD, RT, shift, 1); | |
595 | } | |
596 | ||
597 | 011111,0,4.SHIFT4,5.RT,5.RD,11001,010011:SPECIAL3:32::SHRL.PH | |
598 | "shrl.ph r<RD>, r<RT>, <SHIFT4>" | |
599 | *dsp2: | |
600 | { | |
601 | do_ph_shrl (SD_, RD, RT, SHIFT4); | |
602 | } | |
603 | ||
604 | 011111,5.RS,5.RT,5.RD,11011,010011:SPECIAL3:32::SHRLV.PH | |
605 | "shrlv.ph r<RD>, r<RT>, r<RS>" | |
606 | *dsp2: | |
607 | { | |
608 | unsigned32 shift = GPR[RS] & 0xf; | |
609 | do_ph_shrl (SD_, RD, RT, shift); | |
610 | } | |
611 | ||
612 | 011111,5.RS,5.RT,5.RD,01001,010000:SPECIAL3:32::SUBU.PH | |
613 | "subu.ph r<RD>, r<RS>, r<RT>" | |
614 | *dsp2: | |
615 | { | |
616 | do_u_ph_op (SD_, RD, RS, RT, 1, 0); | |
617 | } | |
618 | ||
619 | 011111,5.RS,5.RT,5.RD,01101,010000:SPECIAL3:32::SUBU_S.PH | |
620 | "subu_s.ph r<RD>, r<RS>, r<RT>" | |
621 | *dsp2: | |
622 | { | |
623 | do_u_ph_op (SD_, RD, RS, RT, 1, 1); | |
624 | } | |
625 | ||
626 | 011111,5.RS,5.RT,5.RD,00001,011000:SPECIAL3:32::SUBUH.QB | |
627 | "subuh.qb r<RD>, r<RS>, r<RT>" | |
628 | *dsp2: | |
629 | { | |
630 | do_uh_qb_op (SD_, RD, RS, RT, 1, 0); | |
631 | } | |
632 | ||
633 | 011111,5.RS,5.RT,5.RD,00011,011000:SPECIAL3:32::SUBUH_R.QB | |
634 | "subuh_r.qb r<RD>, r<RS>, r<RT>" | |
635 | *dsp2: | |
636 | { | |
637 | do_uh_qb_op (SD_, RD, RS, RT, 1, 1); | |
638 | } | |
639 | ||
640 | 011111,5.RS,5.RT,5.RD,01000,011000:SPECIAL3:32::ADDQH.PH | |
641 | "addqh.ph r<RD>, r<RS>, r<RT>" | |
642 | *dsp2: | |
643 | { | |
644 | do_qh_ph_op (SD_, RD, RS, RT, 0, 0); | |
645 | } | |
646 | ||
647 | 011111,5.RS,5.RT,5.RD,01010,011000:SPECIAL3:32::ADDQH_R.PH | |
648 | "addqh_r.ph r<RD>, r<RS>, r<RT>" | |
649 | *dsp2: | |
650 | { | |
651 | do_qh_ph_op (SD_, RD, RS, RT, 0, 1); | |
652 | } | |
653 | ||
654 | 011111,5.RS,5.RT,5.RD,10000,011000:SPECIAL3:32::ADDQH.W | |
655 | "addqh.w r<RD>, r<RS>, r<RT>" | |
656 | *dsp2: | |
657 | { | |
658 | do_qh_w_op (SD_, RD, RS, RT, 0, 0); | |
659 | } | |
660 | ||
661 | 011111,5.RS,5.RT,5.RD,10010,011000:SPECIAL3:32::ADDQH_R.W | |
662 | "addqh_r.w r<RD>, r<RS>, r<RT>" | |
663 | *dsp2: | |
664 | { | |
665 | do_qh_w_op (SD_, RD, RS, RT, 0, 1); | |
666 | } | |
667 | ||
668 | 011111,5.RS,5.RT,5.RD,01001,011000:SPECIAL3:32::SUBQH.PH | |
669 | "subqh.ph r<RD>, r<RS>, r<RT>" | |
670 | *dsp2: | |
671 | { | |
672 | do_qh_ph_op (SD_, RD, RS, RT, 1, 0); | |
673 | } | |
674 | ||
675 | 011111,5.RS,5.RT,5.RD,01011,011000:SPECIAL3:32::SUBQH_R.PH | |
676 | "subqh_r.ph r<RD>, r<RS>, r<RT>" | |
677 | *dsp2: | |
678 | { | |
679 | do_qh_ph_op (SD_, RD, RS, RT, 1, 1); | |
680 | } | |
681 | ||
682 | 011111,5.RS,5.RT,5.RD,10001,011000:SPECIAL3:32::SUBQH.W | |
683 | "subqh.w r<RD>, r<RS>, r<RT>" | |
684 | *dsp2: | |
685 | { | |
686 | do_qh_w_op (SD_, RD, RS, RT, 1, 0); | |
687 | } | |
688 | ||
689 | 011111,5.RS,5.RT,5.RD,10011,011000:SPECIAL3:32::SUBQH_R.W | |
690 | "subqh_r.w r<RD>, r<RS>, r<RT>" | |
691 | *dsp2: | |
692 | { | |
693 | do_qh_w_op (SD_, RD, RS, RT, 1, 1); | |
694 | } | |
695 | ||
696 | 011111,5.RS,5.RT,000,2.AC,01000,110000:SPECIAL3:32::DPAX.W.PH | |
697 | "dpax.w.ph ac<AC>, r<RS>, r<RT>" | |
698 | *dsp2: | |
699 | { | |
700 | do_x_w_ph_dot_product (SD_, AC, RS, RT, 0); | |
701 | } | |
702 | ||
703 | 011111,5.RS,5.RT,000,2.AC,01001,110000:SPECIAL3:32::DPSX.W.PH | |
704 | "dpsx.w.ph ac<AC>, r<RS>, r<RT>" | |
705 | *dsp2: | |
706 | { | |
707 | do_x_w_ph_dot_product (SD_, AC, RS, RT, 1); | |
708 | } | |
709 | ||
710 | 011111,5.RS,5.RT,000,2.AC,11000,110000:SPECIAL3:32::DPAQX_S.W.PH | |
711 | "dpaqx_s.w.ph ac<AC>, r<RS>, r<RT>" | |
712 | *dsp2: | |
713 | { | |
714 | do_qx_w_ph_dot_product (SD_, AC, RS, RT, 0, 0); | |
715 | } | |
716 | ||
717 | 011111,5.RS,5.RT,000,2.AC,11010,110000:SPECIAL3:32::DPAQX_SA.W.PH | |
718 | "dpaqx_sa.w.ph ac<AC>, r<RS>, r<RT>" | |
719 | *dsp2: | |
720 | { | |
721 | do_qx_w_ph_dot_product (SD_, AC, RS, RT, 0, 1); | |
722 | } | |
723 | ||
724 | 011111,5.RS,5.RT,000,2.AC,11001,110000:SPECIAL3:32::DPSQX_S.W.PH | |
725 | "dpsqx_s.w.ph ac<AC>, r<RS>, r<RT>" | |
726 | *dsp2: | |
727 | { | |
728 | do_qx_w_ph_dot_product (SD_, AC, RS, RT, 1, 0); | |
729 | } | |
730 | ||
731 | 011111,5.RS,5.RT,000,2.AC,11011,110000:SPECIAL3:32::DPSQX_SA.W.PH | |
732 | "dpsqx_sa.w.ph ac<AC>, r<RS>, r<RT>" | |
733 | *dsp2: | |
734 | { | |
735 | do_qx_w_ph_dot_product (SD_, AC, RS, RT, 1, 1); | |
736 | } |