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19#include "cpu.h"
20#include "exec/helper-proto.h"
21
22
23
24uint64_t helper_float32_to_float64(CPUPPCState *env, uint32_t arg)
25{
26 CPU_FloatU f;
27 CPU_DoubleU d;
28
29 f.l = arg;
30 d.d = float32_to_float64(f.f, &env->fp_status);
31 return d.ll;
32}
33
34uint32_t helper_float64_to_float32(CPUPPCState *env, uint64_t arg)
35{
36 CPU_FloatU f;
37 CPU_DoubleU d;
38
39 d.ll = arg;
40 f.f = float64_to_float32(d.d, &env->fp_status);
41 return f.l;
42}
43
44static inline int isden(float64 d)
45{
46 CPU_DoubleU u;
47
48 u.d = d;
49
50 return ((u.ll >> 52) & 0x7FF) == 0;
51}
52
53static inline int ppc_float32_get_unbiased_exp(float32 f)
54{
55 return ((f >> 23) & 0xFF) - 127;
56}
57
58static inline int ppc_float64_get_unbiased_exp(float64 f)
59{
60 return ((f >> 52) & 0x7FF) - 1023;
61}
62
63uint32_t helper_compute_fprf(CPUPPCState *env, uint64_t arg, uint32_t set_fprf)
64{
65 CPU_DoubleU farg;
66 int isneg;
67 int ret;
68
69 farg.ll = arg;
70 isneg = float64_is_neg(farg.d);
71 if (unlikely(float64_is_any_nan(farg.d))) {
72 if (float64_is_signaling_nan(farg.d)) {
73
74 ret = 0x00;
75 } else {
76
77 ret = 0x11;
78 }
79 } else if (unlikely(float64_is_infinity(farg.d))) {
80
81 if (isneg) {
82 ret = 0x09;
83 } else {
84 ret = 0x05;
85 }
86 } else {
87 if (float64_is_zero(farg.d)) {
88
89 if (isneg) {
90 ret = 0x12;
91 } else {
92 ret = 0x02;
93 }
94 } else {
95 if (isden(farg.d)) {
96
97 ret = 0x10;
98 } else {
99
100 ret = 0x00;
101 }
102 if (isneg) {
103 ret |= 0x08;
104 } else {
105 ret |= 0x04;
106 }
107 }
108 }
109 if (set_fprf) {
110
111 env->fpscr &= ~(0x1F << FPSCR_FPRF);
112 env->fpscr |= ret << FPSCR_FPRF;
113 }
114
115 return ret & 0xF;
116}
117
118
119static inline uint64_t fload_invalid_op_excp(CPUPPCState *env, int op,
120 int set_fpcc)
121{
122 CPUState *cs = CPU(ppc_env_get_cpu(env));
123 uint64_t ret = 0;
124 int ve;
125
126 ve = fpscr_ve;
127 switch (op) {
128 case POWERPC_EXCP_FP_VXSNAN:
129 env->fpscr |= 1 << FPSCR_VXSNAN;
130 break;
131 case POWERPC_EXCP_FP_VXSOFT:
132 env->fpscr |= 1 << FPSCR_VXSOFT;
133 break;
134 case POWERPC_EXCP_FP_VXISI:
135
136 env->fpscr |= 1 << FPSCR_VXISI;
137 goto update_arith;
138 case POWERPC_EXCP_FP_VXIDI:
139
140 env->fpscr |= 1 << FPSCR_VXIDI;
141 goto update_arith;
142 case POWERPC_EXCP_FP_VXZDZ:
143
144 env->fpscr |= 1 << FPSCR_VXZDZ;
145 goto update_arith;
146 case POWERPC_EXCP_FP_VXIMZ:
147
148 env->fpscr |= 1 << FPSCR_VXIMZ;
149 goto update_arith;
150 case POWERPC_EXCP_FP_VXVC:
151
152 env->fpscr |= 1 << FPSCR_VXVC;
153 if (set_fpcc) {
154 env->fpscr &= ~(0xF << FPSCR_FPCC);
155 env->fpscr |= 0x11 << FPSCR_FPCC;
156 }
157
158 if (ve != 0) {
159 cs->exception_index = POWERPC_EXCP_PROGRAM;
160 env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_VXVC;
161
162 env->fpscr |= 1 << FPSCR_FEX;
163
164 ve = 0;
165 }
166 break;
167 case POWERPC_EXCP_FP_VXSQRT:
168
169 env->fpscr |= 1 << FPSCR_VXSQRT;
170 update_arith:
171 env->fpscr &= ~((1 << FPSCR_FR) | (1 << FPSCR_FI));
172 if (ve == 0) {
173
174 ret = 0x7FF8000000000000ULL;
175 if (set_fpcc) {
176 env->fpscr &= ~(0xF << FPSCR_FPCC);
177 env->fpscr |= 0x11 << FPSCR_FPCC;
178 }
179 }
180 break;
181 case POWERPC_EXCP_FP_VXCVI:
182
183 env->fpscr |= 1 << FPSCR_VXCVI;
184 env->fpscr &= ~((1 << FPSCR_FR) | (1 << FPSCR_FI));
185 if (ve == 0) {
186
187 ret = 0x7FF8000000000000ULL;
188 if (set_fpcc) {
189 env->fpscr &= ~(0xF << FPSCR_FPCC);
190 env->fpscr |= 0x11 << FPSCR_FPCC;
191 }
192 }
193 break;
194 }
195
196 env->fpscr |= 1 << FPSCR_VX;
197
198 env->fpscr |= 1 << FPSCR_FX;
199 if (ve != 0) {
200
201 env->fpscr |= 1 << FPSCR_FEX;
202 if (msr_fe0 != 0 || msr_fe1 != 0) {
203 helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM,
204 POWERPC_EXCP_FP | op);
205 }
206 }
207 return ret;
208}
209
210static inline void float_zero_divide_excp(CPUPPCState *env)
211{
212 env->fpscr |= 1 << FPSCR_ZX;
213 env->fpscr &= ~((1 << FPSCR_FR) | (1 << FPSCR_FI));
214
215 env->fpscr |= 1 << FPSCR_FX;
216 if (fpscr_ze != 0) {
217
218 env->fpscr |= 1 << FPSCR_FEX;
219 if (msr_fe0 != 0 || msr_fe1 != 0) {
220 helper_raise_exception_err(env, POWERPC_EXCP_PROGRAM,
221 POWERPC_EXCP_FP | POWERPC_EXCP_FP_ZX);
222 }
223 }
224}
225
226static inline void float_overflow_excp(CPUPPCState *env)
227{
228 CPUState *cs = CPU(ppc_env_get_cpu(env));
229
230 env->fpscr |= 1 << FPSCR_OX;
231
232 env->fpscr |= 1 << FPSCR_FX;
233 if (fpscr_oe != 0) {
234
235
236 env->fpscr |= 1 << FPSCR_FEX;
237
238 cs->exception_index = POWERPC_EXCP_PROGRAM;
239 env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_OX;
240 } else {
241 env->fpscr |= 1 << FPSCR_XX;
242 env->fpscr |= 1 << FPSCR_FI;
243 }
244}
245
246static inline void float_underflow_excp(CPUPPCState *env)
247{
248 CPUState *cs = CPU(ppc_env_get_cpu(env));
249
250 env->fpscr |= 1 << FPSCR_UX;
251
252 env->fpscr |= 1 << FPSCR_FX;
253 if (fpscr_ue != 0) {
254
255
256 env->fpscr |= 1 << FPSCR_FEX;
257
258 cs->exception_index = POWERPC_EXCP_PROGRAM;
259 env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_UX;
260 }
261}
262
263static inline void float_inexact_excp(CPUPPCState *env)
264{
265 CPUState *cs = CPU(ppc_env_get_cpu(env));
266
267 env->fpscr |= 1 << FPSCR_XX;
268
269 env->fpscr |= 1 << FPSCR_FX;
270 if (fpscr_xe != 0) {
271
272 env->fpscr |= 1 << FPSCR_FEX;
273
274 cs->exception_index = POWERPC_EXCP_PROGRAM;
275 env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_XX;
276 }
277}
278
279static inline void fpscr_set_rounding_mode(CPUPPCState *env)
280{
281 int rnd_type;
282
283
284 switch (fpscr_rn) {
285 case 0:
286
287 rnd_type = float_round_nearest_even;
288 break;
289 case 1:
290
291 rnd_type = float_round_to_zero;
292 break;
293 case 2:
294
295 rnd_type = float_round_up;
296 break;
297 default:
298 case 3:
299
300 rnd_type = float_round_down;
301 break;
302 }
303 set_float_rounding_mode(rnd_type, &env->fp_status);
304}
305
306void helper_fpscr_clrbit(CPUPPCState *env, uint32_t bit)
307{
308 int prev;
309
310 prev = (env->fpscr >> bit) & 1;
311 env->fpscr &= ~(1 << bit);
312 if (prev == 1) {
313 switch (bit) {
314 case FPSCR_RN1:
315 case FPSCR_RN:
316 fpscr_set_rounding_mode(env);
317 break;
318 default:
319 break;
320 }
321 }
322}
323
324void helper_fpscr_setbit(CPUPPCState *env, uint32_t bit)
325{
326 CPUState *cs = CPU(ppc_env_get_cpu(env));
327 int prev;
328
329 prev = (env->fpscr >> bit) & 1;
330 env->fpscr |= 1 << bit;
331 if (prev == 0) {
332 switch (bit) {
333 case FPSCR_VX:
334 env->fpscr |= 1 << FPSCR_FX;
335 if (fpscr_ve) {
336 goto raise_ve;
337 }
338 break;
339 case FPSCR_OX:
340 env->fpscr |= 1 << FPSCR_FX;
341 if (fpscr_oe) {
342 goto raise_oe;
343 }
344 break;
345 case FPSCR_UX:
346 env->fpscr |= 1 << FPSCR_FX;
347 if (fpscr_ue) {
348 goto raise_ue;
349 }
350 break;
351 case FPSCR_ZX:
352 env->fpscr |= 1 << FPSCR_FX;
353 if (fpscr_ze) {
354 goto raise_ze;
355 }
356 break;
357 case FPSCR_XX:
358 env->fpscr |= 1 << FPSCR_FX;
359 if (fpscr_xe) {
360 goto raise_xe;
361 }
362 break;
363 case FPSCR_VXSNAN:
364 case FPSCR_VXISI:
365 case FPSCR_VXIDI:
366 case FPSCR_VXZDZ:
367 case FPSCR_VXIMZ:
368 case FPSCR_VXVC:
369 case FPSCR_VXSOFT:
370 case FPSCR_VXSQRT:
371 case FPSCR_VXCVI:
372 env->fpscr |= 1 << FPSCR_VX;
373 env->fpscr |= 1 << FPSCR_FX;
374 if (fpscr_ve != 0) {
375 goto raise_ve;
376 }
377 break;
378 case FPSCR_VE:
379 if (fpscr_vx != 0) {
380 raise_ve:
381 env->error_code = POWERPC_EXCP_FP;
382 if (fpscr_vxsnan) {
383 env->error_code |= POWERPC_EXCP_FP_VXSNAN;
384 }
385 if (fpscr_vxisi) {
386 env->error_code |= POWERPC_EXCP_FP_VXISI;
387 }
388 if (fpscr_vxidi) {
389 env->error_code |= POWERPC_EXCP_FP_VXIDI;
390 }
391 if (fpscr_vxzdz) {
392 env->error_code |= POWERPC_EXCP_FP_VXZDZ;
393 }
394 if (fpscr_vximz) {
395 env->error_code |= POWERPC_EXCP_FP_VXIMZ;
396 }
397 if (fpscr_vxvc) {
398 env->error_code |= POWERPC_EXCP_FP_VXVC;
399 }
400 if (fpscr_vxsoft) {
401 env->error_code |= POWERPC_EXCP_FP_VXSOFT;
402 }
403 if (fpscr_vxsqrt) {
404 env->error_code |= POWERPC_EXCP_FP_VXSQRT;
405 }
406 if (fpscr_vxcvi) {
407 env->error_code |= POWERPC_EXCP_FP_VXCVI;
408 }
409 goto raise_excp;
410 }
411 break;
412 case FPSCR_OE:
413 if (fpscr_ox != 0) {
414 raise_oe:
415 env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_OX;
416 goto raise_excp;
417 }
418 break;
419 case FPSCR_UE:
420 if (fpscr_ux != 0) {
421 raise_ue:
422 env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_UX;
423 goto raise_excp;
424 }
425 break;
426 case FPSCR_ZE:
427 if (fpscr_zx != 0) {
428 raise_ze:
429 env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_ZX;
430 goto raise_excp;
431 }
432 break;
433 case FPSCR_XE:
434 if (fpscr_xx != 0) {
435 raise_xe:
436 env->error_code = POWERPC_EXCP_FP | POWERPC_EXCP_FP_XX;
437 goto raise_excp;
438 }
439 break;
440 case FPSCR_RN1:
441 case FPSCR_RN:
442 fpscr_set_rounding_mode(env);
443 break;
444 default:
445 break;
446 raise_excp:
447
448 env->fpscr |= 1 << FPSCR_FEX;
449
450 cs->exception_index = POWERPC_EXCP_PROGRAM;
451 break;
452 }
453 }
454}
455
456void helper_store_fpscr(CPUPPCState *env, uint64_t arg, uint32_t mask)
457{
458 CPUState *cs = CPU(ppc_env_get_cpu(env));
459 target_ulong prev, new;
460 int i;
461
462 prev = env->fpscr;
463 new = (target_ulong)arg;
464 new &= ~0x60000000LL;
465 new |= prev & 0x60000000LL;
466 for (i = 0; i < sizeof(target_ulong) * 2; i++) {
467 if (mask & (1 << i)) {
468 env->fpscr &= ~(0xFLL << (4 * i));
469 env->fpscr |= new & (0xFLL << (4 * i));
470 }
471 }
472
473 if (fpscr_ix != 0) {
474 env->fpscr |= 1 << FPSCR_VX;
475 } else {
476 env->fpscr &= ~(1 << FPSCR_VX);
477 }
478 if ((fpscr_ex & fpscr_eex) != 0) {
479 env->fpscr |= 1 << FPSCR_FEX;
480 cs->exception_index = POWERPC_EXCP_PROGRAM;
481
482 env->error_code = POWERPC_EXCP_FP;
483 } else {
484 env->fpscr &= ~(1 << FPSCR_FEX);
485 }
486 fpscr_set_rounding_mode(env);
487}
488
489void store_fpscr(CPUPPCState *env, uint64_t arg, uint32_t mask)
490{
491 helper_store_fpscr(env, arg, mask);
492}
493
494void helper_float_check_status(CPUPPCState *env)
495{
496 CPUState *cs = CPU(ppc_env_get_cpu(env));
497 int status = get_float_exception_flags(&env->fp_status);
498
499 if (status & float_flag_divbyzero) {
500 float_zero_divide_excp(env);
501 } else if (status & float_flag_overflow) {
502 float_overflow_excp(env);
503 } else if (status & float_flag_underflow) {
504 float_underflow_excp(env);
505 } else if (status & float_flag_inexact) {
506 float_inexact_excp(env);
507 }
508
509 if (cs->exception_index == POWERPC_EXCP_PROGRAM &&
510 (env->error_code & POWERPC_EXCP_FP)) {
511
512 if (msr_fe0 != 0 || msr_fe1 != 0) {
513 helper_raise_exception_err(env, cs->exception_index,
514 env->error_code);
515 }
516 }
517}
518
519void helper_reset_fpstatus(CPUPPCState *env)
520{
521 set_float_exception_flags(0, &env->fp_status);
522}
523
524
525uint64_t helper_fadd(CPUPPCState *env, uint64_t arg1, uint64_t arg2)
526{
527 CPU_DoubleU farg1, farg2;
528
529 farg1.ll = arg1;
530 farg2.ll = arg2;
531
532 if (unlikely(float64_is_infinity(farg1.d) && float64_is_infinity(farg2.d) &&
533 float64_is_neg(farg1.d) != float64_is_neg(farg2.d))) {
534
535 farg1.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXISI, 1);
536 } else {
537 if (unlikely(float64_is_signaling_nan(farg1.d) ||
538 float64_is_signaling_nan(farg2.d))) {
539
540 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 1);
541 }
542 farg1.d = float64_add(farg1.d, farg2.d, &env->fp_status);
543 }
544
545 return farg1.ll;
546}
547
548
549uint64_t helper_fsub(CPUPPCState *env, uint64_t arg1, uint64_t arg2)
550{
551 CPU_DoubleU farg1, farg2;
552
553 farg1.ll = arg1;
554 farg2.ll = arg2;
555
556 if (unlikely(float64_is_infinity(farg1.d) && float64_is_infinity(farg2.d) &&
557 float64_is_neg(farg1.d) == float64_is_neg(farg2.d))) {
558
559 farg1.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXISI, 1);
560 } else {
561 if (unlikely(float64_is_signaling_nan(farg1.d) ||
562 float64_is_signaling_nan(farg2.d))) {
563
564 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 1);
565 }
566 farg1.d = float64_sub(farg1.d, farg2.d, &env->fp_status);
567 }
568
569 return farg1.ll;
570}
571
572
573uint64_t helper_fmul(CPUPPCState *env, uint64_t arg1, uint64_t arg2)
574{
575 CPU_DoubleU farg1, farg2;
576
577 farg1.ll = arg1;
578 farg2.ll = arg2;
579
580 if (unlikely((float64_is_infinity(farg1.d) && float64_is_zero(farg2.d)) ||
581 (float64_is_zero(farg1.d) && float64_is_infinity(farg2.d)))) {
582
583 farg1.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXIMZ, 1);
584 } else {
585 if (unlikely(float64_is_signaling_nan(farg1.d) ||
586 float64_is_signaling_nan(farg2.d))) {
587
588 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 1);
589 }
590 farg1.d = float64_mul(farg1.d, farg2.d, &env->fp_status);
591 }
592
593 return farg1.ll;
594}
595
596
597uint64_t helper_fdiv(CPUPPCState *env, uint64_t arg1, uint64_t arg2)
598{
599 CPU_DoubleU farg1, farg2;
600
601 farg1.ll = arg1;
602 farg2.ll = arg2;
603
604 if (unlikely(float64_is_infinity(farg1.d) &&
605 float64_is_infinity(farg2.d))) {
606
607 farg1.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXIDI, 1);
608 } else if (unlikely(float64_is_zero(farg1.d) && float64_is_zero(farg2.d))) {
609
610 farg1.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXZDZ, 1);
611 } else {
612 if (unlikely(float64_is_signaling_nan(farg1.d) ||
613 float64_is_signaling_nan(farg2.d))) {
614
615 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 1);
616 }
617 farg1.d = float64_div(farg1.d, farg2.d, &env->fp_status);
618 }
619
620 return farg1.ll;
621}
622
623
624#define FPU_FCTI(op, cvt, nanval) \
625uint64_t helper_##op(CPUPPCState *env, uint64_t arg) \
626{ \
627 CPU_DoubleU farg; \
628 \
629 farg.ll = arg; \
630 farg.ll = float64_to_##cvt(farg.d, &env->fp_status); \
631 \
632 if (unlikely(env->fp_status.float_exception_flags)) { \
633 if (float64_is_any_nan(arg)) { \
634 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXCVI, 1); \
635 if (float64_is_signaling_nan(arg)) { \
636 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 1); \
637 } \
638 farg.ll = nanval; \
639 } else if (env->fp_status.float_exception_flags & \
640 float_flag_invalid) { \
641 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXCVI, 1); \
642 } \
643 helper_float_check_status(env); \
644 } \
645 return farg.ll; \
646 }
647
648FPU_FCTI(fctiw, int32, 0x80000000U)
649FPU_FCTI(fctiwz, int32_round_to_zero, 0x80000000U)
650FPU_FCTI(fctiwu, uint32, 0x00000000U)
651FPU_FCTI(fctiwuz, uint32_round_to_zero, 0x00000000U)
652FPU_FCTI(fctid, int64, 0x8000000000000000ULL)
653FPU_FCTI(fctidz, int64_round_to_zero, 0x8000000000000000ULL)
654FPU_FCTI(fctidu, uint64, 0x0000000000000000ULL)
655FPU_FCTI(fctiduz, uint64_round_to_zero, 0x0000000000000000ULL)
656
657#define FPU_FCFI(op, cvtr, is_single) \
658uint64_t helper_##op(CPUPPCState *env, uint64_t arg) \
659{ \
660 CPU_DoubleU farg; \
661 \
662 if (is_single) { \
663 float32 tmp = cvtr(arg, &env->fp_status); \
664 farg.d = float32_to_float64(tmp, &env->fp_status); \
665 } else { \
666 farg.d = cvtr(arg, &env->fp_status); \
667 } \
668 helper_float_check_status(env); \
669 return farg.ll; \
670}
671
672FPU_FCFI(fcfid, int64_to_float64, 0)
673FPU_FCFI(fcfids, int64_to_float32, 1)
674FPU_FCFI(fcfidu, uint64_to_float64, 0)
675FPU_FCFI(fcfidus, uint64_to_float32, 1)
676
677static inline uint64_t do_fri(CPUPPCState *env, uint64_t arg,
678 int rounding_mode)
679{
680 CPU_DoubleU farg;
681
682 farg.ll = arg;
683
684 if (unlikely(float64_is_signaling_nan(farg.d))) {
685
686 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 1);
687 farg.ll = arg | 0x0008000000000000ULL;
688 } else {
689 int inexact = get_float_exception_flags(&env->fp_status) &
690 float_flag_inexact;
691 set_float_rounding_mode(rounding_mode, &env->fp_status);
692 farg.ll = float64_round_to_int(farg.d, &env->fp_status);
693
694 fpscr_set_rounding_mode(env);
695
696
697 if (!inexact) {
698 env->fp_status.float_exception_flags &= ~float_flag_inexact;
699 }
700 }
701 helper_float_check_status(env);
702 return farg.ll;
703}
704
705uint64_t helper_frin(CPUPPCState *env, uint64_t arg)
706{
707 return do_fri(env, arg, float_round_ties_away);
708}
709
710uint64_t helper_friz(CPUPPCState *env, uint64_t arg)
711{
712 return do_fri(env, arg, float_round_to_zero);
713}
714
715uint64_t helper_frip(CPUPPCState *env, uint64_t arg)
716{
717 return do_fri(env, arg, float_round_up);
718}
719
720uint64_t helper_frim(CPUPPCState *env, uint64_t arg)
721{
722 return do_fri(env, arg, float_round_down);
723}
724
725
726uint64_t helper_fmadd(CPUPPCState *env, uint64_t arg1, uint64_t arg2,
727 uint64_t arg3)
728{
729 CPU_DoubleU farg1, farg2, farg3;
730
731 farg1.ll = arg1;
732 farg2.ll = arg2;
733 farg3.ll = arg3;
734
735 if (unlikely((float64_is_infinity(farg1.d) && float64_is_zero(farg2.d)) ||
736 (float64_is_zero(farg1.d) && float64_is_infinity(farg2.d)))) {
737
738 farg1.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXIMZ, 1);
739 } else {
740 if (unlikely(float64_is_signaling_nan(farg1.d) ||
741 float64_is_signaling_nan(farg2.d) ||
742 float64_is_signaling_nan(farg3.d))) {
743
744 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 1);
745 }
746
747 float128 ft0_128, ft1_128;
748
749 ft0_128 = float64_to_float128(farg1.d, &env->fp_status);
750 ft1_128 = float64_to_float128(farg2.d, &env->fp_status);
751 ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status);
752 if (unlikely(float128_is_infinity(ft0_128) &&
753 float64_is_infinity(farg3.d) &&
754 float128_is_neg(ft0_128) != float64_is_neg(farg3.d))) {
755
756 farg1.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXISI, 1);
757 } else {
758 ft1_128 = float64_to_float128(farg3.d, &env->fp_status);
759 ft0_128 = float128_add(ft0_128, ft1_128, &env->fp_status);
760 farg1.d = float128_to_float64(ft0_128, &env->fp_status);
761 }
762 }
763
764 return farg1.ll;
765}
766
767
768uint64_t helper_fmsub(CPUPPCState *env, uint64_t arg1, uint64_t arg2,
769 uint64_t arg3)
770{
771 CPU_DoubleU farg1, farg2, farg3;
772
773 farg1.ll = arg1;
774 farg2.ll = arg2;
775 farg3.ll = arg3;
776
777 if (unlikely((float64_is_infinity(farg1.d) && float64_is_zero(farg2.d)) ||
778 (float64_is_zero(farg1.d) &&
779 float64_is_infinity(farg2.d)))) {
780
781 farg1.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXIMZ, 1);
782 } else {
783 if (unlikely(float64_is_signaling_nan(farg1.d) ||
784 float64_is_signaling_nan(farg2.d) ||
785 float64_is_signaling_nan(farg3.d))) {
786
787 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 1);
788 }
789
790 float128 ft0_128, ft1_128;
791
792 ft0_128 = float64_to_float128(farg1.d, &env->fp_status);
793 ft1_128 = float64_to_float128(farg2.d, &env->fp_status);
794 ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status);
795 if (unlikely(float128_is_infinity(ft0_128) &&
796 float64_is_infinity(farg3.d) &&
797 float128_is_neg(ft0_128) == float64_is_neg(farg3.d))) {
798
799 farg1.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXISI, 1);
800 } else {
801 ft1_128 = float64_to_float128(farg3.d, &env->fp_status);
802 ft0_128 = float128_sub(ft0_128, ft1_128, &env->fp_status);
803 farg1.d = float128_to_float64(ft0_128, &env->fp_status);
804 }
805 }
806 return farg1.ll;
807}
808
809
810uint64_t helper_fnmadd(CPUPPCState *env, uint64_t arg1, uint64_t arg2,
811 uint64_t arg3)
812{
813 CPU_DoubleU farg1, farg2, farg3;
814
815 farg1.ll = arg1;
816 farg2.ll = arg2;
817 farg3.ll = arg3;
818
819 if (unlikely((float64_is_infinity(farg1.d) && float64_is_zero(farg2.d)) ||
820 (float64_is_zero(farg1.d) && float64_is_infinity(farg2.d)))) {
821
822 farg1.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXIMZ, 1);
823 } else {
824 if (unlikely(float64_is_signaling_nan(farg1.d) ||
825 float64_is_signaling_nan(farg2.d) ||
826 float64_is_signaling_nan(farg3.d))) {
827
828 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 1);
829 }
830
831 float128 ft0_128, ft1_128;
832
833 ft0_128 = float64_to_float128(farg1.d, &env->fp_status);
834 ft1_128 = float64_to_float128(farg2.d, &env->fp_status);
835 ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status);
836 if (unlikely(float128_is_infinity(ft0_128) &&
837 float64_is_infinity(farg3.d) &&
838 float128_is_neg(ft0_128) != float64_is_neg(farg3.d))) {
839
840 farg1.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXISI, 1);
841 } else {
842 ft1_128 = float64_to_float128(farg3.d, &env->fp_status);
843 ft0_128 = float128_add(ft0_128, ft1_128, &env->fp_status);
844 farg1.d = float128_to_float64(ft0_128, &env->fp_status);
845 }
846 if (likely(!float64_is_any_nan(farg1.d))) {
847 farg1.d = float64_chs(farg1.d);
848 }
849 }
850 return farg1.ll;
851}
852
853
854uint64_t helper_fnmsub(CPUPPCState *env, uint64_t arg1, uint64_t arg2,
855 uint64_t arg3)
856{
857 CPU_DoubleU farg1, farg2, farg3;
858
859 farg1.ll = arg1;
860 farg2.ll = arg2;
861 farg3.ll = arg3;
862
863 if (unlikely((float64_is_infinity(farg1.d) && float64_is_zero(farg2.d)) ||
864 (float64_is_zero(farg1.d) &&
865 float64_is_infinity(farg2.d)))) {
866
867 farg1.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXIMZ, 1);
868 } else {
869 if (unlikely(float64_is_signaling_nan(farg1.d) ||
870 float64_is_signaling_nan(farg2.d) ||
871 float64_is_signaling_nan(farg3.d))) {
872
873 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 1);
874 }
875
876 float128 ft0_128, ft1_128;
877
878 ft0_128 = float64_to_float128(farg1.d, &env->fp_status);
879 ft1_128 = float64_to_float128(farg2.d, &env->fp_status);
880 ft0_128 = float128_mul(ft0_128, ft1_128, &env->fp_status);
881 if (unlikely(float128_is_infinity(ft0_128) &&
882 float64_is_infinity(farg3.d) &&
883 float128_is_neg(ft0_128) == float64_is_neg(farg3.d))) {
884
885 farg1.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXISI, 1);
886 } else {
887 ft1_128 = float64_to_float128(farg3.d, &env->fp_status);
888 ft0_128 = float128_sub(ft0_128, ft1_128, &env->fp_status);
889 farg1.d = float128_to_float64(ft0_128, &env->fp_status);
890 }
891 if (likely(!float64_is_any_nan(farg1.d))) {
892 farg1.d = float64_chs(farg1.d);
893 }
894 }
895 return farg1.ll;
896}
897
898
899uint64_t helper_frsp(CPUPPCState *env, uint64_t arg)
900{
901 CPU_DoubleU farg;
902 float32 f32;
903
904 farg.ll = arg;
905
906 if (unlikely(float64_is_signaling_nan(farg.d))) {
907
908 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 1);
909 }
910 f32 = float64_to_float32(farg.d, &env->fp_status);
911 farg.d = float32_to_float64(f32, &env->fp_status);
912
913 return farg.ll;
914}
915
916
917uint64_t helper_fsqrt(CPUPPCState *env, uint64_t arg)
918{
919 CPU_DoubleU farg;
920
921 farg.ll = arg;
922
923 if (unlikely(float64_is_neg(farg.d) && !float64_is_zero(farg.d))) {
924
925 farg.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSQRT, 1);
926 } else {
927 if (unlikely(float64_is_signaling_nan(farg.d))) {
928
929 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 1);
930 }
931 farg.d = float64_sqrt(farg.d, &env->fp_status);
932 }
933 return farg.ll;
934}
935
936
937uint64_t helper_fre(CPUPPCState *env, uint64_t arg)
938{
939 CPU_DoubleU farg;
940
941 farg.ll = arg;
942
943 if (unlikely(float64_is_signaling_nan(farg.d))) {
944
945 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 1);
946 }
947 farg.d = float64_div(float64_one, farg.d, &env->fp_status);
948 return farg.d;
949}
950
951
952uint64_t helper_fres(CPUPPCState *env, uint64_t arg)
953{
954 CPU_DoubleU farg;
955 float32 f32;
956
957 farg.ll = arg;
958
959 if (unlikely(float64_is_signaling_nan(farg.d))) {
960
961 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 1);
962 }
963 farg.d = float64_div(float64_one, farg.d, &env->fp_status);
964 f32 = float64_to_float32(farg.d, &env->fp_status);
965 farg.d = float32_to_float64(f32, &env->fp_status);
966
967 return farg.ll;
968}
969
970
971uint64_t helper_frsqrte(CPUPPCState *env, uint64_t arg)
972{
973 CPU_DoubleU farg;
974
975 farg.ll = arg;
976
977 if (unlikely(float64_is_neg(farg.d) && !float64_is_zero(farg.d))) {
978
979 farg.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSQRT, 1);
980 } else {
981 if (unlikely(float64_is_signaling_nan(farg.d))) {
982
983 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 1);
984 }
985 farg.d = float64_sqrt(farg.d, &env->fp_status);
986 farg.d = float64_div(float64_one, farg.d, &env->fp_status);
987 }
988 return farg.ll;
989}
990
991
992uint64_t helper_fsel(CPUPPCState *env, uint64_t arg1, uint64_t arg2,
993 uint64_t arg3)
994{
995 CPU_DoubleU farg1;
996
997 farg1.ll = arg1;
998
999 if ((!float64_is_neg(farg1.d) || float64_is_zero(farg1.d)) &&
1000 !float64_is_any_nan(farg1.d)) {
1001 return arg2;
1002 } else {
1003 return arg3;
1004 }
1005}
1006
1007uint32_t helper_ftdiv(uint64_t fra, uint64_t frb)
1008{
1009 int fe_flag = 0;
1010 int fg_flag = 0;
1011
1012 if (unlikely(float64_is_infinity(fra) ||
1013 float64_is_infinity(frb) ||
1014 float64_is_zero(frb))) {
1015 fe_flag = 1;
1016 fg_flag = 1;
1017 } else {
1018 int e_a = ppc_float64_get_unbiased_exp(fra);
1019 int e_b = ppc_float64_get_unbiased_exp(frb);
1020
1021 if (unlikely(float64_is_any_nan(fra) ||
1022 float64_is_any_nan(frb))) {
1023 fe_flag = 1;
1024 } else if ((e_b <= -1022) || (e_b >= 1021)) {
1025 fe_flag = 1;
1026 } else if (!float64_is_zero(fra) &&
1027 (((e_a - e_b) >= 1023) ||
1028 ((e_a - e_b) <= -1021) ||
1029 (e_a <= -970))) {
1030 fe_flag = 1;
1031 }
1032
1033 if (unlikely(float64_is_zero_or_denormal(frb))) {
1034
1035
1036 fg_flag = 1;
1037 }
1038 }
1039
1040 return 0x8 | (fg_flag ? 4 : 0) | (fe_flag ? 2 : 0);
1041}
1042
1043uint32_t helper_ftsqrt(uint64_t frb)
1044{
1045 int fe_flag = 0;
1046 int fg_flag = 0;
1047
1048 if (unlikely(float64_is_infinity(frb) || float64_is_zero(frb))) {
1049 fe_flag = 1;
1050 fg_flag = 1;
1051 } else {
1052 int e_b = ppc_float64_get_unbiased_exp(frb);
1053
1054 if (unlikely(float64_is_any_nan(frb))) {
1055 fe_flag = 1;
1056 } else if (unlikely(float64_is_zero(frb))) {
1057 fe_flag = 1;
1058 } else if (unlikely(float64_is_neg(frb))) {
1059 fe_flag = 1;
1060 } else if (!float64_is_zero(frb) && (e_b <= (-1022+52))) {
1061 fe_flag = 1;
1062 }
1063
1064 if (unlikely(float64_is_zero_or_denormal(frb))) {
1065
1066
1067 fg_flag = 1;
1068 }
1069 }
1070
1071 return 0x8 | (fg_flag ? 4 : 0) | (fe_flag ? 2 : 0);
1072}
1073
1074void helper_fcmpu(CPUPPCState *env, uint64_t arg1, uint64_t arg2,
1075 uint32_t crfD)
1076{
1077 CPU_DoubleU farg1, farg2;
1078 uint32_t ret = 0;
1079
1080 farg1.ll = arg1;
1081 farg2.ll = arg2;
1082
1083 if (unlikely(float64_is_any_nan(farg1.d) ||
1084 float64_is_any_nan(farg2.d))) {
1085 ret = 0x01UL;
1086 } else if (float64_lt(farg1.d, farg2.d, &env->fp_status)) {
1087 ret = 0x08UL;
1088 } else if (!float64_le(farg1.d, farg2.d, &env->fp_status)) {
1089 ret = 0x04UL;
1090 } else {
1091 ret = 0x02UL;
1092 }
1093
1094 env->fpscr &= ~(0x0F << FPSCR_FPRF);
1095 env->fpscr |= ret << FPSCR_FPRF;
1096 env->crf[crfD] = ret;
1097 if (unlikely(ret == 0x01UL
1098 && (float64_is_signaling_nan(farg1.d) ||
1099 float64_is_signaling_nan(farg2.d)))) {
1100
1101 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 1);
1102 }
1103}
1104
1105void helper_fcmpo(CPUPPCState *env, uint64_t arg1, uint64_t arg2,
1106 uint32_t crfD)
1107{
1108 CPU_DoubleU farg1, farg2;
1109 uint32_t ret = 0;
1110
1111 farg1.ll = arg1;
1112 farg2.ll = arg2;
1113
1114 if (unlikely(float64_is_any_nan(farg1.d) ||
1115 float64_is_any_nan(farg2.d))) {
1116 ret = 0x01UL;
1117 } else if (float64_lt(farg1.d, farg2.d, &env->fp_status)) {
1118 ret = 0x08UL;
1119 } else if (!float64_le(farg1.d, farg2.d, &env->fp_status)) {
1120 ret = 0x04UL;
1121 } else {
1122 ret = 0x02UL;
1123 }
1124
1125 env->fpscr &= ~(0x0F << FPSCR_FPRF);
1126 env->fpscr |= ret << FPSCR_FPRF;
1127 env->crf[crfD] = ret;
1128 if (unlikely(ret == 0x01UL)) {
1129 if (float64_is_signaling_nan(farg1.d) ||
1130 float64_is_signaling_nan(farg2.d)) {
1131
1132 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN |
1133 POWERPC_EXCP_FP_VXVC, 1);
1134 } else {
1135
1136 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXVC, 1);
1137 }
1138 }
1139}
1140
1141
1142static inline uint32_t efscfsi(CPUPPCState *env, uint32_t val)
1143{
1144 CPU_FloatU u;
1145
1146 u.f = int32_to_float32(val, &env->vec_status);
1147
1148 return u.l;
1149}
1150
1151static inline uint32_t efscfui(CPUPPCState *env, uint32_t val)
1152{
1153 CPU_FloatU u;
1154
1155 u.f = uint32_to_float32(val, &env->vec_status);
1156
1157 return u.l;
1158}
1159
1160static inline int32_t efsctsi(CPUPPCState *env, uint32_t val)
1161{
1162 CPU_FloatU u;
1163
1164 u.l = val;
1165
1166 if (unlikely(float32_is_quiet_nan(u.f))) {
1167 return 0;
1168 }
1169
1170 return float32_to_int32(u.f, &env->vec_status);
1171}
1172
1173static inline uint32_t efsctui(CPUPPCState *env, uint32_t val)
1174{
1175 CPU_FloatU u;
1176
1177 u.l = val;
1178
1179 if (unlikely(float32_is_quiet_nan(u.f))) {
1180 return 0;
1181 }
1182
1183 return float32_to_uint32(u.f, &env->vec_status);
1184}
1185
1186static inline uint32_t efsctsiz(CPUPPCState *env, uint32_t val)
1187{
1188 CPU_FloatU u;
1189
1190 u.l = val;
1191
1192 if (unlikely(float32_is_quiet_nan(u.f))) {
1193 return 0;
1194 }
1195
1196 return float32_to_int32_round_to_zero(u.f, &env->vec_status);
1197}
1198
1199static inline uint32_t efsctuiz(CPUPPCState *env, uint32_t val)
1200{
1201 CPU_FloatU u;
1202
1203 u.l = val;
1204
1205 if (unlikely(float32_is_quiet_nan(u.f))) {
1206 return 0;
1207 }
1208
1209 return float32_to_uint32_round_to_zero(u.f, &env->vec_status);
1210}
1211
1212static inline uint32_t efscfsf(CPUPPCState *env, uint32_t val)
1213{
1214 CPU_FloatU u;
1215 float32 tmp;
1216
1217 u.f = int32_to_float32(val, &env->vec_status);
1218 tmp = int64_to_float32(1ULL << 32, &env->vec_status);
1219 u.f = float32_div(u.f, tmp, &env->vec_status);
1220
1221 return u.l;
1222}
1223
1224static inline uint32_t efscfuf(CPUPPCState *env, uint32_t val)
1225{
1226 CPU_FloatU u;
1227 float32 tmp;
1228
1229 u.f = uint32_to_float32(val, &env->vec_status);
1230 tmp = uint64_to_float32(1ULL << 32, &env->vec_status);
1231 u.f = float32_div(u.f, tmp, &env->vec_status);
1232
1233 return u.l;
1234}
1235
1236static inline uint32_t efsctsf(CPUPPCState *env, uint32_t val)
1237{
1238 CPU_FloatU u;
1239 float32 tmp;
1240
1241 u.l = val;
1242
1243 if (unlikely(float32_is_quiet_nan(u.f))) {
1244 return 0;
1245 }
1246 tmp = uint64_to_float32(1ULL << 32, &env->vec_status);
1247 u.f = float32_mul(u.f, tmp, &env->vec_status);
1248
1249 return float32_to_int32(u.f, &env->vec_status);
1250}
1251
1252static inline uint32_t efsctuf(CPUPPCState *env, uint32_t val)
1253{
1254 CPU_FloatU u;
1255 float32 tmp;
1256
1257 u.l = val;
1258
1259 if (unlikely(float32_is_quiet_nan(u.f))) {
1260 return 0;
1261 }
1262 tmp = uint64_to_float32(1ULL << 32, &env->vec_status);
1263 u.f = float32_mul(u.f, tmp, &env->vec_status);
1264
1265 return float32_to_uint32(u.f, &env->vec_status);
1266}
1267
1268#define HELPER_SPE_SINGLE_CONV(name) \
1269 uint32_t helper_e##name(CPUPPCState *env, uint32_t val) \
1270 { \
1271 return e##name(env, val); \
1272 }
1273
1274HELPER_SPE_SINGLE_CONV(fscfsi);
1275
1276HELPER_SPE_SINGLE_CONV(fscfui);
1277
1278HELPER_SPE_SINGLE_CONV(fscfuf);
1279
1280HELPER_SPE_SINGLE_CONV(fscfsf);
1281
1282HELPER_SPE_SINGLE_CONV(fsctsi);
1283
1284HELPER_SPE_SINGLE_CONV(fsctui);
1285
1286HELPER_SPE_SINGLE_CONV(fsctsiz);
1287
1288HELPER_SPE_SINGLE_CONV(fsctuiz);
1289
1290HELPER_SPE_SINGLE_CONV(fsctsf);
1291
1292HELPER_SPE_SINGLE_CONV(fsctuf);
1293
1294#define HELPER_SPE_VECTOR_CONV(name) \
1295 uint64_t helper_ev##name(CPUPPCState *env, uint64_t val) \
1296 { \
1297 return ((uint64_t)e##name(env, val >> 32) << 32) | \
1298 (uint64_t)e##name(env, val); \
1299 }
1300
1301HELPER_SPE_VECTOR_CONV(fscfsi);
1302
1303HELPER_SPE_VECTOR_CONV(fscfui);
1304
1305HELPER_SPE_VECTOR_CONV(fscfuf);
1306
1307HELPER_SPE_VECTOR_CONV(fscfsf);
1308
1309HELPER_SPE_VECTOR_CONV(fsctsi);
1310
1311HELPER_SPE_VECTOR_CONV(fsctui);
1312
1313HELPER_SPE_VECTOR_CONV(fsctsiz);
1314
1315HELPER_SPE_VECTOR_CONV(fsctuiz);
1316
1317HELPER_SPE_VECTOR_CONV(fsctsf);
1318
1319HELPER_SPE_VECTOR_CONV(fsctuf);
1320
1321
1322static inline uint32_t efsadd(CPUPPCState *env, uint32_t op1, uint32_t op2)
1323{
1324 CPU_FloatU u1, u2;
1325
1326 u1.l = op1;
1327 u2.l = op2;
1328 u1.f = float32_add(u1.f, u2.f, &env->vec_status);
1329 return u1.l;
1330}
1331
1332static inline uint32_t efssub(CPUPPCState *env, uint32_t op1, uint32_t op2)
1333{
1334 CPU_FloatU u1, u2;
1335
1336 u1.l = op1;
1337 u2.l = op2;
1338 u1.f = float32_sub(u1.f, u2.f, &env->vec_status);
1339 return u1.l;
1340}
1341
1342static inline uint32_t efsmul(CPUPPCState *env, uint32_t op1, uint32_t op2)
1343{
1344 CPU_FloatU u1, u2;
1345
1346 u1.l = op1;
1347 u2.l = op2;
1348 u1.f = float32_mul(u1.f, u2.f, &env->vec_status);
1349 return u1.l;
1350}
1351
1352static inline uint32_t efsdiv(CPUPPCState *env, uint32_t op1, uint32_t op2)
1353{
1354 CPU_FloatU u1, u2;
1355
1356 u1.l = op1;
1357 u2.l = op2;
1358 u1.f = float32_div(u1.f, u2.f, &env->vec_status);
1359 return u1.l;
1360}
1361
1362#define HELPER_SPE_SINGLE_ARITH(name) \
1363 uint32_t helper_e##name(CPUPPCState *env, uint32_t op1, uint32_t op2) \
1364 { \
1365 return e##name(env, op1, op2); \
1366 }
1367
1368HELPER_SPE_SINGLE_ARITH(fsadd);
1369
1370HELPER_SPE_SINGLE_ARITH(fssub);
1371
1372HELPER_SPE_SINGLE_ARITH(fsmul);
1373
1374HELPER_SPE_SINGLE_ARITH(fsdiv);
1375
1376#define HELPER_SPE_VECTOR_ARITH(name) \
1377 uint64_t helper_ev##name(CPUPPCState *env, uint64_t op1, uint64_t op2) \
1378 { \
1379 return ((uint64_t)e##name(env, op1 >> 32, op2 >> 32) << 32) | \
1380 (uint64_t)e##name(env, op1, op2); \
1381 }
1382
1383HELPER_SPE_VECTOR_ARITH(fsadd);
1384
1385HELPER_SPE_VECTOR_ARITH(fssub);
1386
1387HELPER_SPE_VECTOR_ARITH(fsmul);
1388
1389HELPER_SPE_VECTOR_ARITH(fsdiv);
1390
1391
1392static inline uint32_t efscmplt(CPUPPCState *env, uint32_t op1, uint32_t op2)
1393{
1394 CPU_FloatU u1, u2;
1395
1396 u1.l = op1;
1397 u2.l = op2;
1398 return float32_lt(u1.f, u2.f, &env->vec_status) ? 4 : 0;
1399}
1400
1401static inline uint32_t efscmpgt(CPUPPCState *env, uint32_t op1, uint32_t op2)
1402{
1403 CPU_FloatU u1, u2;
1404
1405 u1.l = op1;
1406 u2.l = op2;
1407 return float32_le(u1.f, u2.f, &env->vec_status) ? 0 : 4;
1408}
1409
1410static inline uint32_t efscmpeq(CPUPPCState *env, uint32_t op1, uint32_t op2)
1411{
1412 CPU_FloatU u1, u2;
1413
1414 u1.l = op1;
1415 u2.l = op2;
1416 return float32_eq(u1.f, u2.f, &env->vec_status) ? 4 : 0;
1417}
1418
1419static inline uint32_t efststlt(CPUPPCState *env, uint32_t op1, uint32_t op2)
1420{
1421
1422 return efscmplt(env, op1, op2);
1423}
1424
1425static inline uint32_t efststgt(CPUPPCState *env, uint32_t op1, uint32_t op2)
1426{
1427
1428 return efscmpgt(env, op1, op2);
1429}
1430
1431static inline uint32_t efststeq(CPUPPCState *env, uint32_t op1, uint32_t op2)
1432{
1433
1434 return efscmpeq(env, op1, op2);
1435}
1436
1437#define HELPER_SINGLE_SPE_CMP(name) \
1438 uint32_t helper_e##name(CPUPPCState *env, uint32_t op1, uint32_t op2) \
1439 { \
1440 return e##name(env, op1, op2) << 2; \
1441 }
1442
1443HELPER_SINGLE_SPE_CMP(fststlt);
1444
1445HELPER_SINGLE_SPE_CMP(fststgt);
1446
1447HELPER_SINGLE_SPE_CMP(fststeq);
1448
1449HELPER_SINGLE_SPE_CMP(fscmplt);
1450
1451HELPER_SINGLE_SPE_CMP(fscmpgt);
1452
1453HELPER_SINGLE_SPE_CMP(fscmpeq);
1454
1455static inline uint32_t evcmp_merge(int t0, int t1)
1456{
1457 return (t0 << 3) | (t1 << 2) | ((t0 | t1) << 1) | (t0 & t1);
1458}
1459
1460#define HELPER_VECTOR_SPE_CMP(name) \
1461 uint32_t helper_ev##name(CPUPPCState *env, uint64_t op1, uint64_t op2) \
1462 { \
1463 return evcmp_merge(e##name(env, op1 >> 32, op2 >> 32), \
1464 e##name(env, op1, op2)); \
1465 }
1466
1467HELPER_VECTOR_SPE_CMP(fststlt);
1468
1469HELPER_VECTOR_SPE_CMP(fststgt);
1470
1471HELPER_VECTOR_SPE_CMP(fststeq);
1472
1473HELPER_VECTOR_SPE_CMP(fscmplt);
1474
1475HELPER_VECTOR_SPE_CMP(fscmpgt);
1476
1477HELPER_VECTOR_SPE_CMP(fscmpeq);
1478
1479
1480uint64_t helper_efdcfsi(CPUPPCState *env, uint32_t val)
1481{
1482 CPU_DoubleU u;
1483
1484 u.d = int32_to_float64(val, &env->vec_status);
1485
1486 return u.ll;
1487}
1488
1489uint64_t helper_efdcfsid(CPUPPCState *env, uint64_t val)
1490{
1491 CPU_DoubleU u;
1492
1493 u.d = int64_to_float64(val, &env->vec_status);
1494
1495 return u.ll;
1496}
1497
1498uint64_t helper_efdcfui(CPUPPCState *env, uint32_t val)
1499{
1500 CPU_DoubleU u;
1501
1502 u.d = uint32_to_float64(val, &env->vec_status);
1503
1504 return u.ll;
1505}
1506
1507uint64_t helper_efdcfuid(CPUPPCState *env, uint64_t val)
1508{
1509 CPU_DoubleU u;
1510
1511 u.d = uint64_to_float64(val, &env->vec_status);
1512
1513 return u.ll;
1514}
1515
1516uint32_t helper_efdctsi(CPUPPCState *env, uint64_t val)
1517{
1518 CPU_DoubleU u;
1519
1520 u.ll = val;
1521
1522 if (unlikely(float64_is_any_nan(u.d))) {
1523 return 0;
1524 }
1525
1526 return float64_to_int32(u.d, &env->vec_status);
1527}
1528
1529uint32_t helper_efdctui(CPUPPCState *env, uint64_t val)
1530{
1531 CPU_DoubleU u;
1532
1533 u.ll = val;
1534
1535 if (unlikely(float64_is_any_nan(u.d))) {
1536 return 0;
1537 }
1538
1539 return float64_to_uint32(u.d, &env->vec_status);
1540}
1541
1542uint32_t helper_efdctsiz(CPUPPCState *env, uint64_t val)
1543{
1544 CPU_DoubleU u;
1545
1546 u.ll = val;
1547
1548 if (unlikely(float64_is_any_nan(u.d))) {
1549 return 0;
1550 }
1551
1552 return float64_to_int32_round_to_zero(u.d, &env->vec_status);
1553}
1554
1555uint64_t helper_efdctsidz(CPUPPCState *env, uint64_t val)
1556{
1557 CPU_DoubleU u;
1558
1559 u.ll = val;
1560
1561 if (unlikely(float64_is_any_nan(u.d))) {
1562 return 0;
1563 }
1564
1565 return float64_to_int64_round_to_zero(u.d, &env->vec_status);
1566}
1567
1568uint32_t helper_efdctuiz(CPUPPCState *env, uint64_t val)
1569{
1570 CPU_DoubleU u;
1571
1572 u.ll = val;
1573
1574 if (unlikely(float64_is_any_nan(u.d))) {
1575 return 0;
1576 }
1577
1578 return float64_to_uint32_round_to_zero(u.d, &env->vec_status);
1579}
1580
1581uint64_t helper_efdctuidz(CPUPPCState *env, uint64_t val)
1582{
1583 CPU_DoubleU u;
1584
1585 u.ll = val;
1586
1587 if (unlikely(float64_is_any_nan(u.d))) {
1588 return 0;
1589 }
1590
1591 return float64_to_uint64_round_to_zero(u.d, &env->vec_status);
1592}
1593
1594uint64_t helper_efdcfsf(CPUPPCState *env, uint32_t val)
1595{
1596 CPU_DoubleU u;
1597 float64 tmp;
1598
1599 u.d = int32_to_float64(val, &env->vec_status);
1600 tmp = int64_to_float64(1ULL << 32, &env->vec_status);
1601 u.d = float64_div(u.d, tmp, &env->vec_status);
1602
1603 return u.ll;
1604}
1605
1606uint64_t helper_efdcfuf(CPUPPCState *env, uint32_t val)
1607{
1608 CPU_DoubleU u;
1609 float64 tmp;
1610
1611 u.d = uint32_to_float64(val, &env->vec_status);
1612 tmp = int64_to_float64(1ULL << 32, &env->vec_status);
1613 u.d = float64_div(u.d, tmp, &env->vec_status);
1614
1615 return u.ll;
1616}
1617
1618uint32_t helper_efdctsf(CPUPPCState *env, uint64_t val)
1619{
1620 CPU_DoubleU u;
1621 float64 tmp;
1622
1623 u.ll = val;
1624
1625 if (unlikely(float64_is_any_nan(u.d))) {
1626 return 0;
1627 }
1628 tmp = uint64_to_float64(1ULL << 32, &env->vec_status);
1629 u.d = float64_mul(u.d, tmp, &env->vec_status);
1630
1631 return float64_to_int32(u.d, &env->vec_status);
1632}
1633
1634uint32_t helper_efdctuf(CPUPPCState *env, uint64_t val)
1635{
1636 CPU_DoubleU u;
1637 float64 tmp;
1638
1639 u.ll = val;
1640
1641 if (unlikely(float64_is_any_nan(u.d))) {
1642 return 0;
1643 }
1644 tmp = uint64_to_float64(1ULL << 32, &env->vec_status);
1645 u.d = float64_mul(u.d, tmp, &env->vec_status);
1646
1647 return float64_to_uint32(u.d, &env->vec_status);
1648}
1649
1650uint32_t helper_efscfd(CPUPPCState *env, uint64_t val)
1651{
1652 CPU_DoubleU u1;
1653 CPU_FloatU u2;
1654
1655 u1.ll = val;
1656 u2.f = float64_to_float32(u1.d, &env->vec_status);
1657
1658 return u2.l;
1659}
1660
1661uint64_t helper_efdcfs(CPUPPCState *env, uint32_t val)
1662{
1663 CPU_DoubleU u2;
1664 CPU_FloatU u1;
1665
1666 u1.l = val;
1667 u2.d = float32_to_float64(u1.f, &env->vec_status);
1668
1669 return u2.ll;
1670}
1671
1672
1673uint64_t helper_efdadd(CPUPPCState *env, uint64_t op1, uint64_t op2)
1674{
1675 CPU_DoubleU u1, u2;
1676
1677 u1.ll = op1;
1678 u2.ll = op2;
1679 u1.d = float64_add(u1.d, u2.d, &env->vec_status);
1680 return u1.ll;
1681}
1682
1683uint64_t helper_efdsub(CPUPPCState *env, uint64_t op1, uint64_t op2)
1684{
1685 CPU_DoubleU u1, u2;
1686
1687 u1.ll = op1;
1688 u2.ll = op2;
1689 u1.d = float64_sub(u1.d, u2.d, &env->vec_status);
1690 return u1.ll;
1691}
1692
1693uint64_t helper_efdmul(CPUPPCState *env, uint64_t op1, uint64_t op2)
1694{
1695 CPU_DoubleU u1, u2;
1696
1697 u1.ll = op1;
1698 u2.ll = op2;
1699 u1.d = float64_mul(u1.d, u2.d, &env->vec_status);
1700 return u1.ll;
1701}
1702
1703uint64_t helper_efddiv(CPUPPCState *env, uint64_t op1, uint64_t op2)
1704{
1705 CPU_DoubleU u1, u2;
1706
1707 u1.ll = op1;
1708 u2.ll = op2;
1709 u1.d = float64_div(u1.d, u2.d, &env->vec_status);
1710 return u1.ll;
1711}
1712
1713
1714uint32_t helper_efdtstlt(CPUPPCState *env, uint64_t op1, uint64_t op2)
1715{
1716 CPU_DoubleU u1, u2;
1717
1718 u1.ll = op1;
1719 u2.ll = op2;
1720 return float64_lt(u1.d, u2.d, &env->vec_status) ? 4 : 0;
1721}
1722
1723uint32_t helper_efdtstgt(CPUPPCState *env, uint64_t op1, uint64_t op2)
1724{
1725 CPU_DoubleU u1, u2;
1726
1727 u1.ll = op1;
1728 u2.ll = op2;
1729 return float64_le(u1.d, u2.d, &env->vec_status) ? 0 : 4;
1730}
1731
1732uint32_t helper_efdtsteq(CPUPPCState *env, uint64_t op1, uint64_t op2)
1733{
1734 CPU_DoubleU u1, u2;
1735
1736 u1.ll = op1;
1737 u2.ll = op2;
1738 return float64_eq_quiet(u1.d, u2.d, &env->vec_status) ? 4 : 0;
1739}
1740
1741uint32_t helper_efdcmplt(CPUPPCState *env, uint64_t op1, uint64_t op2)
1742{
1743
1744 return helper_efdtstlt(env, op1, op2);
1745}
1746
1747uint32_t helper_efdcmpgt(CPUPPCState *env, uint64_t op1, uint64_t op2)
1748{
1749
1750 return helper_efdtstgt(env, op1, op2);
1751}
1752
1753uint32_t helper_efdcmpeq(CPUPPCState *env, uint64_t op1, uint64_t op2)
1754{
1755
1756 return helper_efdtsteq(env, op1, op2);
1757}
1758
1759#define DECODE_SPLIT(opcode, shift1, nb1, shift2, nb2) \
1760 (((((opcode) >> (shift1)) & ((1 << (nb1)) - 1)) << nb2) | \
1761 (((opcode) >> (shift2)) & ((1 << (nb2)) - 1)))
1762
1763#define xT(opcode) DECODE_SPLIT(opcode, 0, 1, 21, 5)
1764#define xA(opcode) DECODE_SPLIT(opcode, 2, 1, 16, 5)
1765#define xB(opcode) DECODE_SPLIT(opcode, 1, 1, 11, 5)
1766#define xC(opcode) DECODE_SPLIT(opcode, 3, 1, 6, 5)
1767#define BF(opcode) (((opcode) >> (31-8)) & 7)
1768
1769typedef union _ppc_vsr_t {
1770 uint64_t u64[2];
1771 uint32_t u32[4];
1772 float32 f32[4];
1773 float64 f64[2];
1774} ppc_vsr_t;
1775
1776#if defined(HOST_WORDS_BIGENDIAN)
1777#define VsrW(i) u32[i]
1778#define VsrD(i) u64[i]
1779#else
1780#define VsrW(i) u32[3-(i)]
1781#define VsrD(i) u64[1-(i)]
1782#endif
1783
1784static void getVSR(int n, ppc_vsr_t *vsr, CPUPPCState *env)
1785{
1786 if (n < 32) {
1787 vsr->VsrD(0) = env->fpr[n];
1788 vsr->VsrD(1) = env->vsr[n];
1789 } else {
1790 vsr->u64[0] = env->avr[n-32].u64[0];
1791 vsr->u64[1] = env->avr[n-32].u64[1];
1792 }
1793}
1794
1795static void putVSR(int n, ppc_vsr_t *vsr, CPUPPCState *env)
1796{
1797 if (n < 32) {
1798 env->fpr[n] = vsr->VsrD(0);
1799 env->vsr[n] = vsr->VsrD(1);
1800 } else {
1801 env->avr[n-32].u64[0] = vsr->u64[0];
1802 env->avr[n-32].u64[1] = vsr->u64[1];
1803 }
1804}
1805
1806#define float64_to_float64(x, env) x
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817#define VSX_ADD_SUB(name, op, nels, tp, fld, sfprf, r2sp) \
1818void helper_##name(CPUPPCState *env, uint32_t opcode) \
1819{ \
1820 ppc_vsr_t xt, xa, xb; \
1821 int i; \
1822 \
1823 getVSR(xA(opcode), &xa, env); \
1824 getVSR(xB(opcode), &xb, env); \
1825 getVSR(xT(opcode), &xt, env); \
1826 helper_reset_fpstatus(env); \
1827 \
1828 for (i = 0; i < nels; i++) { \
1829 float_status tstat = env->fp_status; \
1830 set_float_exception_flags(0, &tstat); \
1831 xt.fld = tp##_##op(xa.fld, xb.fld, &tstat); \
1832 env->fp_status.float_exception_flags |= tstat.float_exception_flags; \
1833 \
1834 if (unlikely(tstat.float_exception_flags & float_flag_invalid)) { \
1835 if (tp##_is_infinity(xa.fld) && tp##_is_infinity(xb.fld)) { \
1836 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXISI, sfprf); \
1837 } else if (tp##_is_signaling_nan(xa.fld) || \
1838 tp##_is_signaling_nan(xb.fld)) { \
1839 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, sfprf); \
1840 } \
1841 } \
1842 \
1843 if (r2sp) { \
1844 xt.fld = helper_frsp(env, xt.fld); \
1845 } \
1846 \
1847 if (sfprf) { \
1848 helper_compute_fprf(env, xt.fld, sfprf); \
1849 } \
1850 } \
1851 putVSR(xT(opcode), &xt, env); \
1852 helper_float_check_status(env); \
1853}
1854
1855VSX_ADD_SUB(xsadddp, add, 1, float64, VsrD(0), 1, 0)
1856VSX_ADD_SUB(xsaddsp, add, 1, float64, VsrD(0), 1, 1)
1857VSX_ADD_SUB(xvadddp, add, 2, float64, VsrD(i), 0, 0)
1858VSX_ADD_SUB(xvaddsp, add, 4, float32, VsrW(i), 0, 0)
1859VSX_ADD_SUB(xssubdp, sub, 1, float64, VsrD(0), 1, 0)
1860VSX_ADD_SUB(xssubsp, sub, 1, float64, VsrD(0), 1, 1)
1861VSX_ADD_SUB(xvsubdp, sub, 2, float64, VsrD(i), 0, 0)
1862VSX_ADD_SUB(xvsubsp, sub, 4, float32, VsrW(i), 0, 0)
1863
1864
1865
1866
1867
1868
1869
1870
1871#define VSX_MUL(op, nels, tp, fld, sfprf, r2sp) \
1872void helper_##op(CPUPPCState *env, uint32_t opcode) \
1873{ \
1874 ppc_vsr_t xt, xa, xb; \
1875 int i; \
1876 \
1877 getVSR(xA(opcode), &xa, env); \
1878 getVSR(xB(opcode), &xb, env); \
1879 getVSR(xT(opcode), &xt, env); \
1880 helper_reset_fpstatus(env); \
1881 \
1882 for (i = 0; i < nels; i++) { \
1883 float_status tstat = env->fp_status; \
1884 set_float_exception_flags(0, &tstat); \
1885 xt.fld = tp##_mul(xa.fld, xb.fld, &tstat); \
1886 env->fp_status.float_exception_flags |= tstat.float_exception_flags; \
1887 \
1888 if (unlikely(tstat.float_exception_flags & float_flag_invalid)) { \
1889 if ((tp##_is_infinity(xa.fld) && tp##_is_zero(xb.fld)) || \
1890 (tp##_is_infinity(xb.fld) && tp##_is_zero(xa.fld))) { \
1891 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXIMZ, sfprf); \
1892 } else if (tp##_is_signaling_nan(xa.fld) || \
1893 tp##_is_signaling_nan(xb.fld)) { \
1894 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, sfprf); \
1895 } \
1896 } \
1897 \
1898 if (r2sp) { \
1899 xt.fld = helper_frsp(env, xt.fld); \
1900 } \
1901 \
1902 if (sfprf) { \
1903 helper_compute_fprf(env, xt.fld, sfprf); \
1904 } \
1905 } \
1906 \
1907 putVSR(xT(opcode), &xt, env); \
1908 helper_float_check_status(env); \
1909}
1910
1911VSX_MUL(xsmuldp, 1, float64, VsrD(0), 1, 0)
1912VSX_MUL(xsmulsp, 1, float64, VsrD(0), 1, 1)
1913VSX_MUL(xvmuldp, 2, float64, VsrD(i), 0, 0)
1914VSX_MUL(xvmulsp, 4, float32, VsrW(i), 0, 0)
1915
1916
1917
1918
1919
1920
1921
1922
1923#define VSX_DIV(op, nels, tp, fld, sfprf, r2sp) \
1924void helper_##op(CPUPPCState *env, uint32_t opcode) \
1925{ \
1926 ppc_vsr_t xt, xa, xb; \
1927 int i; \
1928 \
1929 getVSR(xA(opcode), &xa, env); \
1930 getVSR(xB(opcode), &xb, env); \
1931 getVSR(xT(opcode), &xt, env); \
1932 helper_reset_fpstatus(env); \
1933 \
1934 for (i = 0; i < nels; i++) { \
1935 float_status tstat = env->fp_status; \
1936 set_float_exception_flags(0, &tstat); \
1937 xt.fld = tp##_div(xa.fld, xb.fld, &tstat); \
1938 env->fp_status.float_exception_flags |= tstat.float_exception_flags; \
1939 \
1940 if (unlikely(tstat.float_exception_flags & float_flag_invalid)) { \
1941 if (tp##_is_infinity(xa.fld) && tp##_is_infinity(xb.fld)) { \
1942 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXIDI, sfprf); \
1943 } else if (tp##_is_zero(xa.fld) && \
1944 tp##_is_zero(xb.fld)) { \
1945 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXZDZ, sfprf); \
1946 } else if (tp##_is_signaling_nan(xa.fld) || \
1947 tp##_is_signaling_nan(xb.fld)) { \
1948 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, sfprf); \
1949 } \
1950 } \
1951 \
1952 if (r2sp) { \
1953 xt.fld = helper_frsp(env, xt.fld); \
1954 } \
1955 \
1956 if (sfprf) { \
1957 helper_compute_fprf(env, xt.fld, sfprf); \
1958 } \
1959 } \
1960 \
1961 putVSR(xT(opcode), &xt, env); \
1962 helper_float_check_status(env); \
1963}
1964
1965VSX_DIV(xsdivdp, 1, float64, VsrD(0), 1, 0)
1966VSX_DIV(xsdivsp, 1, float64, VsrD(0), 1, 1)
1967VSX_DIV(xvdivdp, 2, float64, VsrD(i), 0, 0)
1968VSX_DIV(xvdivsp, 4, float32, VsrW(i), 0, 0)
1969
1970
1971
1972
1973
1974
1975
1976
1977#define VSX_RE(op, nels, tp, fld, sfprf, r2sp) \
1978void helper_##op(CPUPPCState *env, uint32_t opcode) \
1979{ \
1980 ppc_vsr_t xt, xb; \
1981 int i; \
1982 \
1983 getVSR(xB(opcode), &xb, env); \
1984 getVSR(xT(opcode), &xt, env); \
1985 helper_reset_fpstatus(env); \
1986 \
1987 for (i = 0; i < nels; i++) { \
1988 if (unlikely(tp##_is_signaling_nan(xb.fld))) { \
1989 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, sfprf); \
1990 } \
1991 xt.fld = tp##_div(tp##_one, xb.fld, &env->fp_status); \
1992 \
1993 if (r2sp) { \
1994 xt.fld = helper_frsp(env, xt.fld); \
1995 } \
1996 \
1997 if (sfprf) { \
1998 helper_compute_fprf(env, xt.fld, sfprf); \
1999 } \
2000 } \
2001 \
2002 putVSR(xT(opcode), &xt, env); \
2003 helper_float_check_status(env); \
2004}
2005
2006VSX_RE(xsredp, 1, float64, VsrD(0), 1, 0)
2007VSX_RE(xsresp, 1, float64, VsrD(0), 1, 1)
2008VSX_RE(xvredp, 2, float64, VsrD(i), 0, 0)
2009VSX_RE(xvresp, 4, float32, VsrW(i), 0, 0)
2010
2011
2012
2013
2014
2015
2016
2017
2018#define VSX_SQRT(op, nels, tp, fld, sfprf, r2sp) \
2019void helper_##op(CPUPPCState *env, uint32_t opcode) \
2020{ \
2021 ppc_vsr_t xt, xb; \
2022 int i; \
2023 \
2024 getVSR(xB(opcode), &xb, env); \
2025 getVSR(xT(opcode), &xt, env); \
2026 helper_reset_fpstatus(env); \
2027 \
2028 for (i = 0; i < nels; i++) { \
2029 float_status tstat = env->fp_status; \
2030 set_float_exception_flags(0, &tstat); \
2031 xt.fld = tp##_sqrt(xb.fld, &tstat); \
2032 env->fp_status.float_exception_flags |= tstat.float_exception_flags; \
2033 \
2034 if (unlikely(tstat.float_exception_flags & float_flag_invalid)) { \
2035 if (tp##_is_neg(xb.fld) && !tp##_is_zero(xb.fld)) { \
2036 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSQRT, sfprf); \
2037 } else if (tp##_is_signaling_nan(xb.fld)) { \
2038 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, sfprf); \
2039 } \
2040 } \
2041 \
2042 if (r2sp) { \
2043 xt.fld = helper_frsp(env, xt.fld); \
2044 } \
2045 \
2046 if (sfprf) { \
2047 helper_compute_fprf(env, xt.fld, sfprf); \
2048 } \
2049 } \
2050 \
2051 putVSR(xT(opcode), &xt, env); \
2052 helper_float_check_status(env); \
2053}
2054
2055VSX_SQRT(xssqrtdp, 1, float64, VsrD(0), 1, 0)
2056VSX_SQRT(xssqrtsp, 1, float64, VsrD(0), 1, 1)
2057VSX_SQRT(xvsqrtdp, 2, float64, VsrD(i), 0, 0)
2058VSX_SQRT(xvsqrtsp, 4, float32, VsrW(i), 0, 0)
2059
2060
2061
2062
2063
2064
2065
2066
2067#define VSX_RSQRTE(op, nels, tp, fld, sfprf, r2sp) \
2068void helper_##op(CPUPPCState *env, uint32_t opcode) \
2069{ \
2070 ppc_vsr_t xt, xb; \
2071 int i; \
2072 \
2073 getVSR(xB(opcode), &xb, env); \
2074 getVSR(xT(opcode), &xt, env); \
2075 helper_reset_fpstatus(env); \
2076 \
2077 for (i = 0; i < nels; i++) { \
2078 float_status tstat = env->fp_status; \
2079 set_float_exception_flags(0, &tstat); \
2080 xt.fld = tp##_sqrt(xb.fld, &tstat); \
2081 xt.fld = tp##_div(tp##_one, xt.fld, &tstat); \
2082 env->fp_status.float_exception_flags |= tstat.float_exception_flags; \
2083 \
2084 if (unlikely(tstat.float_exception_flags & float_flag_invalid)) { \
2085 if (tp##_is_neg(xb.fld) && !tp##_is_zero(xb.fld)) { \
2086 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSQRT, sfprf); \
2087 } else if (tp##_is_signaling_nan(xb.fld)) { \
2088 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, sfprf); \
2089 } \
2090 } \
2091 \
2092 if (r2sp) { \
2093 xt.fld = helper_frsp(env, xt.fld); \
2094 } \
2095 \
2096 if (sfprf) { \
2097 helper_compute_fprf(env, xt.fld, sfprf); \
2098 } \
2099 } \
2100 \
2101 putVSR(xT(opcode), &xt, env); \
2102 helper_float_check_status(env); \
2103}
2104
2105VSX_RSQRTE(xsrsqrtedp, 1, float64, VsrD(0), 1, 0)
2106VSX_RSQRTE(xsrsqrtesp, 1, float64, VsrD(0), 1, 1)
2107VSX_RSQRTE(xvrsqrtedp, 2, float64, VsrD(i), 0, 0)
2108VSX_RSQRTE(xvrsqrtesp, 4, float32, VsrW(i), 0, 0)
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119#define VSX_TDIV(op, nels, tp, fld, emin, emax, nbits) \
2120void helper_##op(CPUPPCState *env, uint32_t opcode) \
2121{ \
2122 ppc_vsr_t xa, xb; \
2123 int i; \
2124 int fe_flag = 0; \
2125 int fg_flag = 0; \
2126 \
2127 getVSR(xA(opcode), &xa, env); \
2128 getVSR(xB(opcode), &xb, env); \
2129 \
2130 for (i = 0; i < nels; i++) { \
2131 if (unlikely(tp##_is_infinity(xa.fld) || \
2132 tp##_is_infinity(xb.fld) || \
2133 tp##_is_zero(xb.fld))) { \
2134 fe_flag = 1; \
2135 fg_flag = 1; \
2136 } else { \
2137 int e_a = ppc_##tp##_get_unbiased_exp(xa.fld); \
2138 int e_b = ppc_##tp##_get_unbiased_exp(xb.fld); \
2139 \
2140 if (unlikely(tp##_is_any_nan(xa.fld) || \
2141 tp##_is_any_nan(xb.fld))) { \
2142 fe_flag = 1; \
2143 } else if ((e_b <= emin) || (e_b >= (emax-2))) { \
2144 fe_flag = 1; \
2145 } else if (!tp##_is_zero(xa.fld) && \
2146 (((e_a - e_b) >= emax) || \
2147 ((e_a - e_b) <= (emin+1)) || \
2148 (e_a <= (emin+nbits)))) { \
2149 fe_flag = 1; \
2150 } \
2151 \
2152 if (unlikely(tp##_is_zero_or_denormal(xb.fld))) { \
2153 \
2154 \
2155 fg_flag = 1; \
2156 } \
2157 } \
2158 } \
2159 \
2160 env->crf[BF(opcode)] = 0x8 | (fg_flag ? 4 : 0) | (fe_flag ? 2 : 0); \
2161}
2162
2163VSX_TDIV(xstdivdp, 1, float64, VsrD(0), -1022, 1023, 52)
2164VSX_TDIV(xvtdivdp, 2, float64, VsrD(i), -1022, 1023, 52)
2165VSX_TDIV(xvtdivsp, 4, float32, VsrW(i), -126, 127, 23)
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176#define VSX_TSQRT(op, nels, tp, fld, emin, nbits) \
2177void helper_##op(CPUPPCState *env, uint32_t opcode) \
2178{ \
2179 ppc_vsr_t xa, xb; \
2180 int i; \
2181 int fe_flag = 0; \
2182 int fg_flag = 0; \
2183 \
2184 getVSR(xA(opcode), &xa, env); \
2185 getVSR(xB(opcode), &xb, env); \
2186 \
2187 for (i = 0; i < nels; i++) { \
2188 if (unlikely(tp##_is_infinity(xb.fld) || \
2189 tp##_is_zero(xb.fld))) { \
2190 fe_flag = 1; \
2191 fg_flag = 1; \
2192 } else { \
2193 int e_b = ppc_##tp##_get_unbiased_exp(xb.fld); \
2194 \
2195 if (unlikely(tp##_is_any_nan(xb.fld))) { \
2196 fe_flag = 1; \
2197 } else if (unlikely(tp##_is_zero(xb.fld))) { \
2198 fe_flag = 1; \
2199 } else if (unlikely(tp##_is_neg(xb.fld))) { \
2200 fe_flag = 1; \
2201 } else if (!tp##_is_zero(xb.fld) && \
2202 (e_b <= (emin+nbits))) { \
2203 fe_flag = 1; \
2204 } \
2205 \
2206 if (unlikely(tp##_is_zero_or_denormal(xb.fld))) { \
2207 \
2208 \
2209 fg_flag = 1; \
2210 } \
2211 } \
2212 } \
2213 \
2214 env->crf[BF(opcode)] = 0x8 | (fg_flag ? 4 : 0) | (fe_flag ? 2 : 0); \
2215}
2216
2217VSX_TSQRT(xstsqrtdp, 1, float64, VsrD(0), -1022, 52)
2218VSX_TSQRT(xvtsqrtdp, 2, float64, VsrD(i), -1022, 52)
2219VSX_TSQRT(xvtsqrtsp, 4, float32, VsrW(i), -126, 23)
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231#define VSX_MADD(op, nels, tp, fld, maddflgs, afrm, sfprf, r2sp) \
2232void helper_##op(CPUPPCState *env, uint32_t opcode) \
2233{ \
2234 ppc_vsr_t xt_in, xa, xb, xt_out; \
2235 ppc_vsr_t *b, *c; \
2236 int i; \
2237 \
2238 if (afrm) { \
2239 b = &xb; \
2240 c = &xt_in; \
2241 } else { \
2242 b = &xt_in; \
2243 c = &xb; \
2244 } \
2245 \
2246 getVSR(xA(opcode), &xa, env); \
2247 getVSR(xB(opcode), &xb, env); \
2248 getVSR(xT(opcode), &xt_in, env); \
2249 \
2250 xt_out = xt_in; \
2251 \
2252 helper_reset_fpstatus(env); \
2253 \
2254 for (i = 0; i < nels; i++) { \
2255 float_status tstat = env->fp_status; \
2256 set_float_exception_flags(0, &tstat); \
2257 if (r2sp && (tstat.float_rounding_mode == float_round_nearest_even)) {\
2258 \
2259 \
2260 set_float_rounding_mode(float_round_to_zero, &tstat); \
2261 xt_out.fld = tp##_muladd(xa.fld, b->fld, c->fld, \
2262 maddflgs, &tstat); \
2263 xt_out.fld |= (get_float_exception_flags(&tstat) & \
2264 float_flag_inexact) != 0; \
2265 } else { \
2266 xt_out.fld = tp##_muladd(xa.fld, b->fld, c->fld, \
2267 maddflgs, &tstat); \
2268 } \
2269 env->fp_status.float_exception_flags |= tstat.float_exception_flags; \
2270 \
2271 if (unlikely(tstat.float_exception_flags & float_flag_invalid)) { \
2272 if (tp##_is_signaling_nan(xa.fld) || \
2273 tp##_is_signaling_nan(b->fld) || \
2274 tp##_is_signaling_nan(c->fld)) { \
2275 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, sfprf); \
2276 tstat.float_exception_flags &= ~float_flag_invalid; \
2277 } \
2278 if ((tp##_is_infinity(xa.fld) && tp##_is_zero(b->fld)) || \
2279 (tp##_is_zero(xa.fld) && tp##_is_infinity(b->fld))) { \
2280 xt_out.fld = float64_to_##tp(fload_invalid_op_excp(env, \
2281 POWERPC_EXCP_FP_VXIMZ, sfprf), &env->fp_status); \
2282 tstat.float_exception_flags &= ~float_flag_invalid; \
2283 } \
2284 if ((tstat.float_exception_flags & float_flag_invalid) && \
2285 ((tp##_is_infinity(xa.fld) || \
2286 tp##_is_infinity(b->fld)) && \
2287 tp##_is_infinity(c->fld))) { \
2288 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXISI, sfprf); \
2289 } \
2290 } \
2291 \
2292 if (r2sp) { \
2293 xt_out.fld = helper_frsp(env, xt_out.fld); \
2294 } \
2295 \
2296 if (sfprf) { \
2297 helper_compute_fprf(env, xt_out.fld, sfprf); \
2298 } \
2299 } \
2300 putVSR(xT(opcode), &xt_out, env); \
2301 helper_float_check_status(env); \
2302}
2303
2304#define MADD_FLGS 0
2305#define MSUB_FLGS float_muladd_negate_c
2306#define NMADD_FLGS float_muladd_negate_result
2307#define NMSUB_FLGS (float_muladd_negate_c | float_muladd_negate_result)
2308
2309VSX_MADD(xsmaddadp, 1, float64, VsrD(0), MADD_FLGS, 1, 1, 0)
2310VSX_MADD(xsmaddmdp, 1, float64, VsrD(0), MADD_FLGS, 0, 1, 0)
2311VSX_MADD(xsmsubadp, 1, float64, VsrD(0), MSUB_FLGS, 1, 1, 0)
2312VSX_MADD(xsmsubmdp, 1, float64, VsrD(0), MSUB_FLGS, 0, 1, 0)
2313VSX_MADD(xsnmaddadp, 1, float64, VsrD(0), NMADD_FLGS, 1, 1, 0)
2314VSX_MADD(xsnmaddmdp, 1, float64, VsrD(0), NMADD_FLGS, 0, 1, 0)
2315VSX_MADD(xsnmsubadp, 1, float64, VsrD(0), NMSUB_FLGS, 1, 1, 0)
2316VSX_MADD(xsnmsubmdp, 1, float64, VsrD(0), NMSUB_FLGS, 0, 1, 0)
2317
2318VSX_MADD(xsmaddasp, 1, float64, VsrD(0), MADD_FLGS, 1, 1, 1)
2319VSX_MADD(xsmaddmsp, 1, float64, VsrD(0), MADD_FLGS, 0, 1, 1)
2320VSX_MADD(xsmsubasp, 1, float64, VsrD(0), MSUB_FLGS, 1, 1, 1)
2321VSX_MADD(xsmsubmsp, 1, float64, VsrD(0), MSUB_FLGS, 0, 1, 1)
2322VSX_MADD(xsnmaddasp, 1, float64, VsrD(0), NMADD_FLGS, 1, 1, 1)
2323VSX_MADD(xsnmaddmsp, 1, float64, VsrD(0), NMADD_FLGS, 0, 1, 1)
2324VSX_MADD(xsnmsubasp, 1, float64, VsrD(0), NMSUB_FLGS, 1, 1, 1)
2325VSX_MADD(xsnmsubmsp, 1, float64, VsrD(0), NMSUB_FLGS, 0, 1, 1)
2326
2327VSX_MADD(xvmaddadp, 2, float64, VsrD(i), MADD_FLGS, 1, 0, 0)
2328VSX_MADD(xvmaddmdp, 2, float64, VsrD(i), MADD_FLGS, 0, 0, 0)
2329VSX_MADD(xvmsubadp, 2, float64, VsrD(i), MSUB_FLGS, 1, 0, 0)
2330VSX_MADD(xvmsubmdp, 2, float64, VsrD(i), MSUB_FLGS, 0, 0, 0)
2331VSX_MADD(xvnmaddadp, 2, float64, VsrD(i), NMADD_FLGS, 1, 0, 0)
2332VSX_MADD(xvnmaddmdp, 2, float64, VsrD(i), NMADD_FLGS, 0, 0, 0)
2333VSX_MADD(xvnmsubadp, 2, float64, VsrD(i), NMSUB_FLGS, 1, 0, 0)
2334VSX_MADD(xvnmsubmdp, 2, float64, VsrD(i), NMSUB_FLGS, 0, 0, 0)
2335
2336VSX_MADD(xvmaddasp, 4, float32, VsrW(i), MADD_FLGS, 1, 0, 0)
2337VSX_MADD(xvmaddmsp, 4, float32, VsrW(i), MADD_FLGS, 0, 0, 0)
2338VSX_MADD(xvmsubasp, 4, float32, VsrW(i), MSUB_FLGS, 1, 0, 0)
2339VSX_MADD(xvmsubmsp, 4, float32, VsrW(i), MSUB_FLGS, 0, 0, 0)
2340VSX_MADD(xvnmaddasp, 4, float32, VsrW(i), NMADD_FLGS, 1, 0, 0)
2341VSX_MADD(xvnmaddmsp, 4, float32, VsrW(i), NMADD_FLGS, 0, 0, 0)
2342VSX_MADD(xvnmsubasp, 4, float32, VsrW(i), NMSUB_FLGS, 1, 0, 0)
2343VSX_MADD(xvnmsubmsp, 4, float32, VsrW(i), NMSUB_FLGS, 0, 0, 0)
2344
2345#define VSX_SCALAR_CMP(op, ordered) \
2346void helper_##op(CPUPPCState *env, uint32_t opcode) \
2347{ \
2348 ppc_vsr_t xa, xb; \
2349 uint32_t cc = 0; \
2350 \
2351 getVSR(xA(opcode), &xa, env); \
2352 getVSR(xB(opcode), &xb, env); \
2353 \
2354 if (unlikely(float64_is_any_nan(xa.VsrD(0)) || \
2355 float64_is_any_nan(xb.VsrD(0)))) { \
2356 if (float64_is_signaling_nan(xa.VsrD(0)) || \
2357 float64_is_signaling_nan(xb.VsrD(0))) { \
2358 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 0); \
2359 } \
2360 if (ordered) { \
2361 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXVC, 0); \
2362 } \
2363 cc = 1; \
2364 } else { \
2365 if (float64_lt(xa.VsrD(0), xb.VsrD(0), &env->fp_status)) { \
2366 cc = 8; \
2367 } else if (!float64_le(xa.VsrD(0), xb.VsrD(0), \
2368 &env->fp_status)) { \
2369 cc = 4; \
2370 } else { \
2371 cc = 2; \
2372 } \
2373 } \
2374 \
2375 env->fpscr &= ~(0x0F << FPSCR_FPRF); \
2376 env->fpscr |= cc << FPSCR_FPRF; \
2377 env->crf[BF(opcode)] = cc; \
2378 \
2379 helper_float_check_status(env); \
2380}
2381
2382VSX_SCALAR_CMP(xscmpodp, 1)
2383VSX_SCALAR_CMP(xscmpudp, 0)
2384
2385#define float64_snan_to_qnan(x) ((x) | 0x0008000000000000ULL)
2386#define float32_snan_to_qnan(x) ((x) | 0x00400000)
2387
2388
2389
2390
2391
2392
2393
2394
2395#define VSX_MAX_MIN(name, op, nels, tp, fld) \
2396void helper_##name(CPUPPCState *env, uint32_t opcode) \
2397{ \
2398 ppc_vsr_t xt, xa, xb; \
2399 int i; \
2400 \
2401 getVSR(xA(opcode), &xa, env); \
2402 getVSR(xB(opcode), &xb, env); \
2403 getVSR(xT(opcode), &xt, env); \
2404 \
2405 for (i = 0; i < nels; i++) { \
2406 xt.fld = tp##_##op(xa.fld, xb.fld, &env->fp_status); \
2407 if (unlikely(tp##_is_signaling_nan(xa.fld) || \
2408 tp##_is_signaling_nan(xb.fld))) { \
2409 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 0); \
2410 } \
2411 } \
2412 \
2413 putVSR(xT(opcode), &xt, env); \
2414 helper_float_check_status(env); \
2415}
2416
2417VSX_MAX_MIN(xsmaxdp, maxnum, 1, float64, VsrD(0))
2418VSX_MAX_MIN(xvmaxdp, maxnum, 2, float64, VsrD(i))
2419VSX_MAX_MIN(xvmaxsp, maxnum, 4, float32, VsrW(i))
2420VSX_MAX_MIN(xsmindp, minnum, 1, float64, VsrD(0))
2421VSX_MAX_MIN(xvmindp, minnum, 2, float64, VsrD(i))
2422VSX_MAX_MIN(xvminsp, minnum, 4, float32, VsrW(i))
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432#define VSX_CMP(op, nels, tp, fld, cmp, svxvc) \
2433void helper_##op(CPUPPCState *env, uint32_t opcode) \
2434{ \
2435 ppc_vsr_t xt, xa, xb; \
2436 int i; \
2437 int all_true = 1; \
2438 int all_false = 1; \
2439 \
2440 getVSR(xA(opcode), &xa, env); \
2441 getVSR(xB(opcode), &xb, env); \
2442 getVSR(xT(opcode), &xt, env); \
2443 \
2444 for (i = 0; i < nels; i++) { \
2445 if (unlikely(tp##_is_any_nan(xa.fld) || \
2446 tp##_is_any_nan(xb.fld))) { \
2447 if (tp##_is_signaling_nan(xa.fld) || \
2448 tp##_is_signaling_nan(xb.fld)) { \
2449 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 0); \
2450 } \
2451 if (svxvc) { \
2452 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXVC, 0); \
2453 } \
2454 xt.fld = 0; \
2455 all_true = 0; \
2456 } else { \
2457 if (tp##_##cmp(xb.fld, xa.fld, &env->fp_status) == 1) { \
2458 xt.fld = -1; \
2459 all_false = 0; \
2460 } else { \
2461 xt.fld = 0; \
2462 all_true = 0; \
2463 } \
2464 } \
2465 } \
2466 \
2467 putVSR(xT(opcode), &xt, env); \
2468 if ((opcode >> (31-21)) & 1) { \
2469 env->crf[6] = (all_true ? 0x8 : 0) | (all_false ? 0x2 : 0); \
2470 } \
2471 helper_float_check_status(env); \
2472 }
2473
2474VSX_CMP(xvcmpeqdp, 2, float64, VsrD(i), eq, 0)
2475VSX_CMP(xvcmpgedp, 2, float64, VsrD(i), le, 1)
2476VSX_CMP(xvcmpgtdp, 2, float64, VsrD(i), lt, 1)
2477VSX_CMP(xvcmpeqsp, 4, float32, VsrW(i), eq, 0)
2478VSX_CMP(xvcmpgesp, 4, float32, VsrW(i), le, 1)
2479VSX_CMP(xvcmpgtsp, 4, float32, VsrW(i), lt, 1)
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490#define VSX_CVT_FP_TO_FP(op, nels, stp, ttp, sfld, tfld, sfprf) \
2491void helper_##op(CPUPPCState *env, uint32_t opcode) \
2492{ \
2493 ppc_vsr_t xt, xb; \
2494 int i; \
2495 \
2496 getVSR(xB(opcode), &xb, env); \
2497 getVSR(xT(opcode), &xt, env); \
2498 \
2499 for (i = 0; i < nels; i++) { \
2500 xt.tfld = stp##_to_##ttp(xb.sfld, &env->fp_status); \
2501 if (unlikely(stp##_is_signaling_nan(xb.sfld))) { \
2502 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 0); \
2503 xt.tfld = ttp##_snan_to_qnan(xt.tfld); \
2504 } \
2505 if (sfprf) { \
2506 helper_compute_fprf(env, ttp##_to_float64(xt.tfld, \
2507 &env->fp_status), sfprf); \
2508 } \
2509 } \
2510 \
2511 putVSR(xT(opcode), &xt, env); \
2512 helper_float_check_status(env); \
2513}
2514
2515VSX_CVT_FP_TO_FP(xscvdpsp, 1, float64, float32, VsrD(0), VsrW(0), 1)
2516VSX_CVT_FP_TO_FP(xscvspdp, 1, float32, float64, VsrW(0), VsrD(0), 1)
2517VSX_CVT_FP_TO_FP(xvcvdpsp, 2, float64, float32, VsrD(i), VsrW(2*i), 0)
2518VSX_CVT_FP_TO_FP(xvcvspdp, 2, float32, float64, VsrW(2*i), VsrD(i), 0)
2519
2520uint64_t helper_xscvdpspn(CPUPPCState *env, uint64_t xb)
2521{
2522 float_status tstat = env->fp_status;
2523 set_float_exception_flags(0, &tstat);
2524
2525 return (uint64_t)float64_to_float32(xb, &tstat) << 32;
2526}
2527
2528uint64_t helper_xscvspdpn(CPUPPCState *env, uint64_t xb)
2529{
2530 float_status tstat = env->fp_status;
2531 set_float_exception_flags(0, &tstat);
2532
2533 return float32_to_float64(xb >> 32, &tstat);
2534}
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545#define VSX_CVT_FP_TO_INT(op, nels, stp, ttp, sfld, tfld, rnan) \
2546void helper_##op(CPUPPCState *env, uint32_t opcode) \
2547{ \
2548 ppc_vsr_t xt, xb; \
2549 int i; \
2550 \
2551 getVSR(xB(opcode), &xb, env); \
2552 getVSR(xT(opcode), &xt, env); \
2553 \
2554 for (i = 0; i < nels; i++) { \
2555 if (unlikely(stp##_is_any_nan(xb.sfld))) { \
2556 if (stp##_is_signaling_nan(xb.sfld)) { \
2557 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 0); \
2558 } \
2559 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXCVI, 0); \
2560 xt.tfld = rnan; \
2561 } else { \
2562 xt.tfld = stp##_to_##ttp##_round_to_zero(xb.sfld, \
2563 &env->fp_status); \
2564 if (env->fp_status.float_exception_flags & float_flag_invalid) { \
2565 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXCVI, 0); \
2566 } \
2567 } \
2568 } \
2569 \
2570 putVSR(xT(opcode), &xt, env); \
2571 helper_float_check_status(env); \
2572}
2573
2574VSX_CVT_FP_TO_INT(xscvdpsxds, 1, float64, int64, VsrD(0), VsrD(0), \
2575 0x8000000000000000ULL)
2576VSX_CVT_FP_TO_INT(xscvdpsxws, 1, float64, int32, VsrD(0), VsrW(1), \
2577 0x80000000U)
2578VSX_CVT_FP_TO_INT(xscvdpuxds, 1, float64, uint64, VsrD(0), VsrD(0), 0ULL)
2579VSX_CVT_FP_TO_INT(xscvdpuxws, 1, float64, uint32, VsrD(0), VsrW(1), 0U)
2580VSX_CVT_FP_TO_INT(xvcvdpsxds, 2, float64, int64, VsrD(i), VsrD(i), \
2581 0x8000000000000000ULL)
2582VSX_CVT_FP_TO_INT(xvcvdpsxws, 2, float64, int32, VsrD(i), VsrW(2*i), \
2583 0x80000000U)
2584VSX_CVT_FP_TO_INT(xvcvdpuxds, 2, float64, uint64, VsrD(i), VsrD(i), 0ULL)
2585VSX_CVT_FP_TO_INT(xvcvdpuxws, 2, float64, uint32, VsrD(i), VsrW(2*i), 0U)
2586VSX_CVT_FP_TO_INT(xvcvspsxds, 2, float32, int64, VsrW(2*i), VsrD(i), \
2587 0x8000000000000000ULL)
2588VSX_CVT_FP_TO_INT(xvcvspsxws, 4, float32, int32, VsrW(i), VsrW(i), 0x80000000U)
2589VSX_CVT_FP_TO_INT(xvcvspuxds, 2, float32, uint64, VsrW(2*i), VsrD(i), 0ULL)
2590VSX_CVT_FP_TO_INT(xvcvspuxws, 4, float32, uint32, VsrW(i), VsrW(i), 0U)
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602#define VSX_CVT_INT_TO_FP(op, nels, stp, ttp, sfld, tfld, sfprf, r2sp) \
2603void helper_##op(CPUPPCState *env, uint32_t opcode) \
2604{ \
2605 ppc_vsr_t xt, xb; \
2606 int i; \
2607 \
2608 getVSR(xB(opcode), &xb, env); \
2609 getVSR(xT(opcode), &xt, env); \
2610 \
2611 for (i = 0; i < nels; i++) { \
2612 xt.tfld = stp##_to_##ttp(xb.sfld, &env->fp_status); \
2613 if (r2sp) { \
2614 xt.tfld = helper_frsp(env, xt.tfld); \
2615 } \
2616 if (sfprf) { \
2617 helper_compute_fprf(env, xt.tfld, sfprf); \
2618 } \
2619 } \
2620 \
2621 putVSR(xT(opcode), &xt, env); \
2622 helper_float_check_status(env); \
2623}
2624
2625VSX_CVT_INT_TO_FP(xscvsxddp, 1, int64, float64, VsrD(0), VsrD(0), 1, 0)
2626VSX_CVT_INT_TO_FP(xscvuxddp, 1, uint64, float64, VsrD(0), VsrD(0), 1, 0)
2627VSX_CVT_INT_TO_FP(xscvsxdsp, 1, int64, float64, VsrD(0), VsrD(0), 1, 1)
2628VSX_CVT_INT_TO_FP(xscvuxdsp, 1, uint64, float64, VsrD(0), VsrD(0), 1, 1)
2629VSX_CVT_INT_TO_FP(xvcvsxddp, 2, int64, float64, VsrD(i), VsrD(i), 0, 0)
2630VSX_CVT_INT_TO_FP(xvcvuxddp, 2, uint64, float64, VsrD(i), VsrD(i), 0, 0)
2631VSX_CVT_INT_TO_FP(xvcvsxwdp, 2, int32, float64, VsrW(2*i), VsrD(i), 0, 0)
2632VSX_CVT_INT_TO_FP(xvcvuxwdp, 2, uint64, float64, VsrW(2*i), VsrD(i), 0, 0)
2633VSX_CVT_INT_TO_FP(xvcvsxdsp, 2, int64, float32, VsrD(i), VsrW(2*i), 0, 0)
2634VSX_CVT_INT_TO_FP(xvcvuxdsp, 2, uint64, float32, VsrD(i), VsrW(2*i), 0, 0)
2635VSX_CVT_INT_TO_FP(xvcvsxwsp, 4, int32, float32, VsrW(i), VsrW(i), 0, 0)
2636VSX_CVT_INT_TO_FP(xvcvuxwsp, 4, uint32, float32, VsrW(i), VsrW(i), 0, 0)
2637
2638
2639
2640
2641#define FLOAT_ROUND_CURRENT (float_round_nearest_even + float_round_down + \
2642 float_round_up + float_round_to_zero)
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652#define VSX_ROUND(op, nels, tp, fld, rmode, sfprf) \
2653void helper_##op(CPUPPCState *env, uint32_t opcode) \
2654{ \
2655 ppc_vsr_t xt, xb; \
2656 int i; \
2657 getVSR(xB(opcode), &xb, env); \
2658 getVSR(xT(opcode), &xt, env); \
2659 \
2660 if (rmode != FLOAT_ROUND_CURRENT) { \
2661 set_float_rounding_mode(rmode, &env->fp_status); \
2662 } \
2663 \
2664 for (i = 0; i < nels; i++) { \
2665 if (unlikely(tp##_is_signaling_nan(xb.fld))) { \
2666 fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN, 0); \
2667 xt.fld = tp##_snan_to_qnan(xb.fld); \
2668 } else { \
2669 xt.fld = tp##_round_to_int(xb.fld, &env->fp_status); \
2670 } \
2671 if (sfprf) { \
2672 helper_compute_fprf(env, xt.fld, sfprf); \
2673 } \
2674 } \
2675 \
2676
2677
2678 \
2679 if (rmode != FLOAT_ROUND_CURRENT) { \
2680 fpscr_set_rounding_mode(env); \
2681 env->fp_status.float_exception_flags &= ~float_flag_inexact; \
2682 } \
2683 \
2684 putVSR(xT(opcode), &xt, env); \
2685 helper_float_check_status(env); \
2686}
2687
2688VSX_ROUND(xsrdpi, 1, float64, VsrD(0), float_round_nearest_even, 1)
2689VSX_ROUND(xsrdpic, 1, float64, VsrD(0), FLOAT_ROUND_CURRENT, 1)
2690VSX_ROUND(xsrdpim, 1, float64, VsrD(0), float_round_down, 1)
2691VSX_ROUND(xsrdpip, 1, float64, VsrD(0), float_round_up, 1)
2692VSX_ROUND(xsrdpiz, 1, float64, VsrD(0), float_round_to_zero, 1)
2693
2694VSX_ROUND(xvrdpi, 2, float64, VsrD(i), float_round_nearest_even, 0)
2695VSX_ROUND(xvrdpic, 2, float64, VsrD(i), FLOAT_ROUND_CURRENT, 0)
2696VSX_ROUND(xvrdpim, 2, float64, VsrD(i), float_round_down, 0)
2697VSX_ROUND(xvrdpip, 2, float64, VsrD(i), float_round_up, 0)
2698VSX_ROUND(xvrdpiz, 2, float64, VsrD(i), float_round_to_zero, 0)
2699
2700VSX_ROUND(xvrspi, 4, float32, VsrW(i), float_round_nearest_even, 0)
2701VSX_ROUND(xvrspic, 4, float32, VsrW(i), FLOAT_ROUND_CURRENT, 0)
2702VSX_ROUND(xvrspim, 4, float32, VsrW(i), float_round_down, 0)
2703VSX_ROUND(xvrspip, 4, float32, VsrW(i), float_round_up, 0)
2704VSX_ROUND(xvrspiz, 4, float32, VsrW(i), float_round_to_zero, 0)
2705
2706uint64_t helper_xsrsp(CPUPPCState *env, uint64_t xb)
2707{
2708 helper_reset_fpstatus(env);
2709
2710 uint64_t xt = helper_frsp(env, xb);
2711
2712 helper_compute_fprf(env, xt, 1);
2713 helper_float_check_status(env);
2714 return xt;
2715}
2716
