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Commit | Line | Data |
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c88f8107 LV |
1 | /* |
2 | * m68k FPU helpers | |
3 | * | |
4 | * Copyright (c) 2006-2007 CodeSourcery | |
5 | * Written by Paul Brook | |
6 | * | |
7 | * This library is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU Lesser General Public | |
9 | * License as published by the Free Software Foundation; either | |
d749fb85 | 10 | * version 2.1 of the License, or (at your option) any later version. |
c88f8107 LV |
11 | * |
12 | * This library is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
d749fb85 | 15 | * Lesser General Public License for more details. |
c88f8107 LV |
16 | * |
17 | * You should have received a copy of the GNU Lesser General Public | |
18 | * License along with this library; if not, see <http://www.gnu.org/licenses/>. | |
19 | */ | |
20 | ||
21 | #include "qemu/osdep.h" | |
22 | #include "cpu.h" | |
23 | #include "exec/helper-proto.h" | |
f83311e4 | 24 | #include "exec/exec-all.h" |
a1e58ddc | 25 | #include "exec/cpu_ldst.h" |
591596b7 | 26 | #include "softfloat.h" |
c88f8107 | 27 | |
808d77bc LMP |
28 | /* |
29 | * Undefined offsets may be different on various FPU. | |
9d403660 LV |
30 | * On 68040 they return 0.0 (floatx80_zero) |
31 | */ | |
32 | ||
33 | static const floatx80 fpu_rom[128] = { | |
6fa9ba09 KR |
34 | [0x00] = make_floatx80_init(0x4000, 0xc90fdaa22168c235ULL), /* Pi */ |
35 | [0x0b] = make_floatx80_init(0x3ffd, 0x9a209a84fbcff798ULL), /* Log10(2) */ | |
36 | [0x0c] = make_floatx80_init(0x4000, 0xadf85458a2bb4a9aULL), /* e */ | |
37 | [0x0d] = make_floatx80_init(0x3fff, 0xb8aa3b295c17f0bcULL), /* Log2(e) */ | |
38 | [0x0e] = make_floatx80_init(0x3ffd, 0xde5bd8a937287195ULL), /* Log10(e) */ | |
39 | [0x0f] = make_floatx80_init(0x0000, 0x0000000000000000ULL), /* Zero */ | |
40 | [0x30] = make_floatx80_init(0x3ffe, 0xb17217f7d1cf79acULL), /* ln(2) */ | |
41 | [0x31] = make_floatx80_init(0x4000, 0x935d8dddaaa8ac17ULL), /* ln(10) */ | |
42 | [0x32] = make_floatx80_init(0x3fff, 0x8000000000000000ULL), /* 10^0 */ | |
43 | [0x33] = make_floatx80_init(0x4002, 0xa000000000000000ULL), /* 10^1 */ | |
44 | [0x34] = make_floatx80_init(0x4005, 0xc800000000000000ULL), /* 10^2 */ | |
45 | [0x35] = make_floatx80_init(0x400c, 0x9c40000000000000ULL), /* 10^4 */ | |
46 | [0x36] = make_floatx80_init(0x4019, 0xbebc200000000000ULL), /* 10^8 */ | |
47 | [0x37] = make_floatx80_init(0x4034, 0x8e1bc9bf04000000ULL), /* 10^16 */ | |
48 | [0x38] = make_floatx80_init(0x4069, 0x9dc5ada82b70b59eULL), /* 10^32 */ | |
49 | [0x39] = make_floatx80_init(0x40d3, 0xc2781f49ffcfa6d5ULL), /* 10^64 */ | |
50 | [0x3a] = make_floatx80_init(0x41a8, 0x93ba47c980e98ce0ULL), /* 10^128 */ | |
51 | [0x3b] = make_floatx80_init(0x4351, 0xaa7eebfb9df9de8eULL), /* 10^256 */ | |
52 | [0x3c] = make_floatx80_init(0x46a3, 0xe319a0aea60e91c7ULL), /* 10^512 */ | |
53 | [0x3d] = make_floatx80_init(0x4d48, 0xc976758681750c17ULL), /* 10^1024 */ | |
54 | [0x3e] = make_floatx80_init(0x5a92, 0x9e8b3b5dc53d5de5ULL), /* 10^2048 */ | |
55 | [0x3f] = make_floatx80_init(0x7525, 0xc46052028a20979bULL), /* 10^4096 */ | |
9d403660 LV |
56 | }; |
57 | ||
f83311e4 | 58 | int32_t HELPER(reds32)(CPUM68KState *env, FPReg *val) |
c88f8107 | 59 | { |
f83311e4 | 60 | return floatx80_to_int32(val->d, &env->fp_status); |
c88f8107 LV |
61 | } |
62 | ||
f83311e4 | 63 | float32 HELPER(redf32)(CPUM68KState *env, FPReg *val) |
c88f8107 | 64 | { |
f83311e4 | 65 | return floatx80_to_float32(val->d, &env->fp_status); |
c88f8107 LV |
66 | } |
67 | ||
f83311e4 | 68 | void HELPER(exts32)(CPUM68KState *env, FPReg *res, int32_t val) |
c88f8107 | 69 | { |
f83311e4 | 70 | res->d = int32_to_floatx80(val, &env->fp_status); |
c88f8107 LV |
71 | } |
72 | ||
f83311e4 | 73 | void HELPER(extf32)(CPUM68KState *env, FPReg *res, float32 val) |
c88f8107 | 74 | { |
f83311e4 | 75 | res->d = float32_to_floatx80(val, &env->fp_status); |
c88f8107 LV |
76 | } |
77 | ||
f83311e4 | 78 | void HELPER(extf64)(CPUM68KState *env, FPReg *res, float64 val) |
c88f8107 | 79 | { |
f83311e4 | 80 | res->d = float64_to_floatx80(val, &env->fp_status); |
c88f8107 LV |
81 | } |
82 | ||
f83311e4 | 83 | float64 HELPER(redf64)(CPUM68KState *env, FPReg *val) |
c88f8107 | 84 | { |
f83311e4 | 85 | return floatx80_to_float64(val->d, &env->fp_status); |
c88f8107 LV |
86 | } |
87 | ||
f83311e4 | 88 | void HELPER(firound)(CPUM68KState *env, FPReg *res, FPReg *val) |
c88f8107 | 89 | { |
f83311e4 | 90 | res->d = floatx80_round_to_int(val->d, &env->fp_status); |
c88f8107 LV |
91 | } |
92 | ||
ba624944 LV |
93 | static void m68k_restore_precision_mode(CPUM68KState *env) |
94 | { | |
95 | switch (env->fpcr & FPCR_PREC_MASK) { | |
96 | case FPCR_PREC_X: /* extended */ | |
97 | set_floatx80_rounding_precision(80, &env->fp_status); | |
98 | break; | |
99 | case FPCR_PREC_S: /* single */ | |
100 | set_floatx80_rounding_precision(32, &env->fp_status); | |
101 | break; | |
102 | case FPCR_PREC_D: /* double */ | |
103 | set_floatx80_rounding_precision(64, &env->fp_status); | |
104 | break; | |
105 | case FPCR_PREC_U: /* undefined */ | |
106 | default: | |
107 | break; | |
108 | } | |
109 | } | |
110 | ||
111 | static void cf_restore_precision_mode(CPUM68KState *env) | |
112 | { | |
113 | if (env->fpcr & FPCR_PREC_S) { /* single */ | |
114 | set_floatx80_rounding_precision(32, &env->fp_status); | |
115 | } else { /* double */ | |
116 | set_floatx80_rounding_precision(64, &env->fp_status); | |
117 | } | |
118 | } | |
119 | ||
120 | static void restore_rounding_mode(CPUM68KState *env) | |
121 | { | |
122 | switch (env->fpcr & FPCR_RND_MASK) { | |
123 | case FPCR_RND_N: /* round to nearest */ | |
124 | set_float_rounding_mode(float_round_nearest_even, &env->fp_status); | |
125 | break; | |
126 | case FPCR_RND_Z: /* round to zero */ | |
127 | set_float_rounding_mode(float_round_to_zero, &env->fp_status); | |
128 | break; | |
129 | case FPCR_RND_M: /* round toward minus infinity */ | |
130 | set_float_rounding_mode(float_round_down, &env->fp_status); | |
131 | break; | |
132 | case FPCR_RND_P: /* round toward positive infinity */ | |
133 | set_float_rounding_mode(float_round_up, &env->fp_status); | |
134 | break; | |
135 | } | |
136 | } | |
137 | ||
138 | void cpu_m68k_set_fpcr(CPUM68KState *env, uint32_t val) | |
139 | { | |
140 | env->fpcr = val & 0xffff; | |
141 | ||
142 | if (m68k_feature(env, M68K_FEATURE_CF_FPU)) { | |
143 | cf_restore_precision_mode(env); | |
144 | } else { | |
145 | m68k_restore_precision_mode(env); | |
146 | } | |
147 | restore_rounding_mode(env); | |
148 | } | |
149 | ||
f83311e4 | 150 | void HELPER(fitrunc)(CPUM68KState *env, FPReg *res, FPReg *val) |
c88f8107 | 151 | { |
ba624944 LV |
152 | int rounding_mode = get_float_rounding_mode(&env->fp_status); |
153 | set_float_rounding_mode(float_round_to_zero, &env->fp_status); | |
f83311e4 | 154 | res->d = floatx80_round_to_int(val->d, &env->fp_status); |
ba624944 LV |
155 | set_float_rounding_mode(rounding_mode, &env->fp_status); |
156 | } | |
157 | ||
158 | void HELPER(set_fpcr)(CPUM68KState *env, uint32_t val) | |
159 | { | |
160 | cpu_m68k_set_fpcr(env, val); | |
c88f8107 LV |
161 | } |
162 | ||
a51b6bc3 LV |
163 | #define PREC_BEGIN(prec) \ |
164 | do { \ | |
165 | int old; \ | |
166 | old = get_floatx80_rounding_precision(&env->fp_status); \ | |
167 | set_floatx80_rounding_precision(prec, &env->fp_status) \ | |
168 | ||
169 | #define PREC_END() \ | |
170 | set_floatx80_rounding_precision(old, &env->fp_status); \ | |
171 | } while (0) | |
172 | ||
77bdb229 LV |
173 | void HELPER(fsround)(CPUM68KState *env, FPReg *res, FPReg *val) |
174 | { | |
175 | PREC_BEGIN(32); | |
176 | res->d = floatx80_round(val->d, &env->fp_status); | |
177 | PREC_END(); | |
178 | } | |
179 | ||
180 | void HELPER(fdround)(CPUM68KState *env, FPReg *res, FPReg *val) | |
181 | { | |
182 | PREC_BEGIN(64); | |
183 | res->d = floatx80_round(val->d, &env->fp_status); | |
184 | PREC_END(); | |
185 | } | |
186 | ||
f83311e4 | 187 | void HELPER(fsqrt)(CPUM68KState *env, FPReg *res, FPReg *val) |
c88f8107 | 188 | { |
f83311e4 | 189 | res->d = floatx80_sqrt(val->d, &env->fp_status); |
c88f8107 LV |
190 | } |
191 | ||
a51b6bc3 LV |
192 | void HELPER(fssqrt)(CPUM68KState *env, FPReg *res, FPReg *val) |
193 | { | |
194 | PREC_BEGIN(32); | |
195 | res->d = floatx80_sqrt(val->d, &env->fp_status); | |
196 | PREC_END(); | |
197 | } | |
198 | ||
199 | void HELPER(fdsqrt)(CPUM68KState *env, FPReg *res, FPReg *val) | |
200 | { | |
201 | PREC_BEGIN(64); | |
202 | res->d = floatx80_sqrt(val->d, &env->fp_status); | |
203 | PREC_END(); | |
204 | } | |
205 | ||
f83311e4 | 206 | void HELPER(fabs)(CPUM68KState *env, FPReg *res, FPReg *val) |
c88f8107 | 207 | { |
77bdb229 LV |
208 | res->d = floatx80_round(floatx80_abs(val->d), &env->fp_status); |
209 | } | |
210 | ||
211 | void HELPER(fsabs)(CPUM68KState *env, FPReg *res, FPReg *val) | |
212 | { | |
213 | PREC_BEGIN(32); | |
214 | res->d = floatx80_round(floatx80_abs(val->d), &env->fp_status); | |
215 | PREC_END(); | |
216 | } | |
217 | ||
218 | void HELPER(fdabs)(CPUM68KState *env, FPReg *res, FPReg *val) | |
219 | { | |
220 | PREC_BEGIN(64); | |
221 | res->d = floatx80_round(floatx80_abs(val->d), &env->fp_status); | |
222 | PREC_END(); | |
223 | } | |
224 | ||
225 | void HELPER(fneg)(CPUM68KState *env, FPReg *res, FPReg *val) | |
226 | { | |
227 | res->d = floatx80_round(floatx80_chs(val->d), &env->fp_status); | |
c88f8107 LV |
228 | } |
229 | ||
77bdb229 | 230 | void HELPER(fsneg)(CPUM68KState *env, FPReg *res, FPReg *val) |
c88f8107 | 231 | { |
77bdb229 LV |
232 | PREC_BEGIN(32); |
233 | res->d = floatx80_round(floatx80_chs(val->d), &env->fp_status); | |
234 | PREC_END(); | |
235 | } | |
236 | ||
237 | void HELPER(fdneg)(CPUM68KState *env, FPReg *res, FPReg *val) | |
238 | { | |
239 | PREC_BEGIN(64); | |
240 | res->d = floatx80_round(floatx80_chs(val->d), &env->fp_status); | |
241 | PREC_END(); | |
c88f8107 LV |
242 | } |
243 | ||
f83311e4 | 244 | void HELPER(fadd)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) |
c88f8107 | 245 | { |
f83311e4 | 246 | res->d = floatx80_add(val0->d, val1->d, &env->fp_status); |
c88f8107 LV |
247 | } |
248 | ||
a51b6bc3 LV |
249 | void HELPER(fsadd)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) |
250 | { | |
251 | PREC_BEGIN(32); | |
252 | res->d = floatx80_add(val0->d, val1->d, &env->fp_status); | |
253 | PREC_END(); | |
254 | } | |
255 | ||
256 | void HELPER(fdadd)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) | |
257 | { | |
258 | PREC_BEGIN(64); | |
259 | res->d = floatx80_add(val0->d, val1->d, &env->fp_status); | |
260 | PREC_END(); | |
261 | } | |
262 | ||
f83311e4 | 263 | void HELPER(fsub)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) |
c88f8107 | 264 | { |
f83311e4 | 265 | res->d = floatx80_sub(val1->d, val0->d, &env->fp_status); |
c88f8107 LV |
266 | } |
267 | ||
a51b6bc3 LV |
268 | void HELPER(fssub)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) |
269 | { | |
270 | PREC_BEGIN(32); | |
271 | res->d = floatx80_sub(val1->d, val0->d, &env->fp_status); | |
272 | PREC_END(); | |
273 | } | |
274 | ||
275 | void HELPER(fdsub)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) | |
276 | { | |
277 | PREC_BEGIN(64); | |
278 | res->d = floatx80_sub(val1->d, val0->d, &env->fp_status); | |
279 | PREC_END(); | |
280 | } | |
281 | ||
f83311e4 LV |
282 | void HELPER(fmul)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) |
283 | { | |
284 | res->d = floatx80_mul(val0->d, val1->d, &env->fp_status); | |
285 | } | |
286 | ||
a51b6bc3 LV |
287 | void HELPER(fsmul)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) |
288 | { | |
289 | PREC_BEGIN(32); | |
290 | res->d = floatx80_mul(val0->d, val1->d, &env->fp_status); | |
291 | PREC_END(); | |
292 | } | |
293 | ||
294 | void HELPER(fdmul)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) | |
295 | { | |
296 | PREC_BEGIN(64); | |
297 | res->d = floatx80_mul(val0->d, val1->d, &env->fp_status); | |
298 | PREC_END(); | |
299 | } | |
300 | ||
2f77995c LV |
301 | void HELPER(fsglmul)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) |
302 | { | |
303 | int rounding_mode = get_float_rounding_mode(&env->fp_status); | |
304 | floatx80 a, b; | |
305 | ||
306 | PREC_BEGIN(32); | |
307 | set_float_rounding_mode(float_round_to_zero, &env->fp_status); | |
308 | a = floatx80_round(val0->d, &env->fp_status); | |
309 | b = floatx80_round(val1->d, &env->fp_status); | |
310 | set_float_rounding_mode(rounding_mode, &env->fp_status); | |
311 | res->d = floatx80_mul(a, b, &env->fp_status); | |
312 | PREC_END(); | |
313 | } | |
314 | ||
f83311e4 LV |
315 | void HELPER(fdiv)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) |
316 | { | |
317 | res->d = floatx80_div(val1->d, val0->d, &env->fp_status); | |
318 | } | |
319 | ||
a51b6bc3 LV |
320 | void HELPER(fsdiv)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) |
321 | { | |
322 | PREC_BEGIN(32); | |
323 | res->d = floatx80_div(val1->d, val0->d, &env->fp_status); | |
324 | PREC_END(); | |
325 | } | |
326 | ||
327 | void HELPER(fddiv)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) | |
328 | { | |
329 | PREC_BEGIN(64); | |
330 | res->d = floatx80_div(val1->d, val0->d, &env->fp_status); | |
331 | PREC_END(); | |
332 | } | |
333 | ||
2f77995c LV |
334 | void HELPER(fsgldiv)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) |
335 | { | |
336 | int rounding_mode = get_float_rounding_mode(&env->fp_status); | |
337 | floatx80 a, b; | |
338 | ||
339 | PREC_BEGIN(32); | |
340 | set_float_rounding_mode(float_round_to_zero, &env->fp_status); | |
341 | a = floatx80_round(val1->d, &env->fp_status); | |
342 | b = floatx80_round(val0->d, &env->fp_status); | |
343 | set_float_rounding_mode(rounding_mode, &env->fp_status); | |
344 | res->d = floatx80_div(a, b, &env->fp_status); | |
345 | PREC_END(); | |
346 | } | |
347 | ||
ba624944 LV |
348 | static int float_comp_to_cc(int float_compare) |
349 | { | |
350 | switch (float_compare) { | |
351 | case float_relation_equal: | |
352 | return FPSR_CC_Z; | |
353 | case float_relation_less: | |
354 | return FPSR_CC_N; | |
355 | case float_relation_unordered: | |
356 | return FPSR_CC_A; | |
357 | case float_relation_greater: | |
358 | return 0; | |
359 | default: | |
360 | g_assert_not_reached(); | |
c88f8107 | 361 | } |
c88f8107 LV |
362 | } |
363 | ||
ba624944 | 364 | void HELPER(fcmp)(CPUM68KState *env, FPReg *val0, FPReg *val1) |
c88f8107 | 365 | { |
ba624944 LV |
366 | int float_compare; |
367 | ||
368 | float_compare = floatx80_compare(val1->d, val0->d, &env->fp_status); | |
369 | env->fpsr = (env->fpsr & ~FPSR_CC_MASK) | float_comp_to_cc(float_compare); | |
370 | } | |
371 | ||
372 | void HELPER(ftst)(CPUM68KState *env, FPReg *val) | |
373 | { | |
374 | uint32_t cc = 0; | |
375 | ||
376 | if (floatx80_is_neg(val->d)) { | |
377 | cc |= FPSR_CC_N; | |
378 | } | |
379 | ||
380 | if (floatx80_is_any_nan(val->d)) { | |
381 | cc |= FPSR_CC_A; | |
382 | } else if (floatx80_is_infinity(val->d)) { | |
383 | cc |= FPSR_CC_I; | |
384 | } else if (floatx80_is_zero(val->d)) { | |
385 | cc |= FPSR_CC_Z; | |
386 | } | |
387 | env->fpsr = (env->fpsr & ~FPSR_CC_MASK) | cc; | |
c88f8107 | 388 | } |
9d403660 LV |
389 | |
390 | void HELPER(fconst)(CPUM68KState *env, FPReg *val, uint32_t offset) | |
391 | { | |
392 | val->d = fpu_rom[offset]; | |
393 | } | |
a1e58ddc LV |
394 | |
395 | typedef int (*float_access)(CPUM68KState *env, uint32_t addr, FPReg *fp, | |
396 | uintptr_t ra); | |
397 | ||
398 | static uint32_t fmovem_predec(CPUM68KState *env, uint32_t addr, uint32_t mask, | |
399 | float_access access) | |
400 | { | |
401 | uintptr_t ra = GETPC(); | |
402 | int i, size; | |
403 | ||
404 | for (i = 7; i >= 0; i--, mask <<= 1) { | |
405 | if (mask & 0x80) { | |
406 | size = access(env, addr, &env->fregs[i], ra); | |
407 | if ((mask & 0xff) != 0x80) { | |
408 | addr -= size; | |
409 | } | |
410 | } | |
411 | } | |
412 | ||
413 | return addr; | |
414 | } | |
415 | ||
416 | static uint32_t fmovem_postinc(CPUM68KState *env, uint32_t addr, uint32_t mask, | |
417 | float_access access) | |
418 | { | |
419 | uintptr_t ra = GETPC(); | |
420 | int i, size; | |
421 | ||
422 | for (i = 0; i < 8; i++, mask <<= 1) { | |
423 | if (mask & 0x80) { | |
424 | size = access(env, addr, &env->fregs[i], ra); | |
425 | addr += size; | |
426 | } | |
427 | } | |
428 | ||
429 | return addr; | |
430 | } | |
431 | ||
432 | static int cpu_ld_floatx80_ra(CPUM68KState *env, uint32_t addr, FPReg *fp, | |
433 | uintptr_t ra) | |
434 | { | |
435 | uint32_t high; | |
436 | uint64_t low; | |
437 | ||
438 | high = cpu_ldl_data_ra(env, addr, ra); | |
439 | low = cpu_ldq_data_ra(env, addr + 4, ra); | |
440 | ||
441 | fp->l.upper = high >> 16; | |
442 | fp->l.lower = low; | |
443 | ||
444 | return 12; | |
445 | } | |
446 | ||
447 | static int cpu_st_floatx80_ra(CPUM68KState *env, uint32_t addr, FPReg *fp, | |
448 | uintptr_t ra) | |
449 | { | |
450 | cpu_stl_data_ra(env, addr, fp->l.upper << 16, ra); | |
451 | cpu_stq_data_ra(env, addr + 4, fp->l.lower, ra); | |
452 | ||
453 | return 12; | |
454 | } | |
455 | ||
456 | static int cpu_ld_float64_ra(CPUM68KState *env, uint32_t addr, FPReg *fp, | |
457 | uintptr_t ra) | |
458 | { | |
459 | uint64_t val; | |
460 | ||
461 | val = cpu_ldq_data_ra(env, addr, ra); | |
462 | fp->d = float64_to_floatx80(*(float64 *)&val, &env->fp_status); | |
463 | ||
464 | return 8; | |
465 | } | |
466 | ||
467 | static int cpu_st_float64_ra(CPUM68KState *env, uint32_t addr, FPReg *fp, | |
468 | uintptr_t ra) | |
469 | { | |
470 | float64 val; | |
471 | ||
472 | val = floatx80_to_float64(fp->d, &env->fp_status); | |
473 | cpu_stq_data_ra(env, addr, *(uint64_t *)&val, ra); | |
474 | ||
475 | return 8; | |
476 | } | |
477 | ||
478 | uint32_t HELPER(fmovemx_st_predec)(CPUM68KState *env, uint32_t addr, | |
479 | uint32_t mask) | |
480 | { | |
481 | return fmovem_predec(env, addr, mask, cpu_st_floatx80_ra); | |
482 | } | |
483 | ||
484 | uint32_t HELPER(fmovemx_st_postinc)(CPUM68KState *env, uint32_t addr, | |
485 | uint32_t mask) | |
486 | { | |
487 | return fmovem_postinc(env, addr, mask, cpu_st_floatx80_ra); | |
488 | } | |
489 | ||
490 | uint32_t HELPER(fmovemx_ld_postinc)(CPUM68KState *env, uint32_t addr, | |
491 | uint32_t mask) | |
492 | { | |
493 | return fmovem_postinc(env, addr, mask, cpu_ld_floatx80_ra); | |
494 | } | |
495 | ||
496 | uint32_t HELPER(fmovemd_st_predec)(CPUM68KState *env, uint32_t addr, | |
497 | uint32_t mask) | |
498 | { | |
499 | return fmovem_predec(env, addr, mask, cpu_st_float64_ra); | |
500 | } | |
501 | ||
502 | uint32_t HELPER(fmovemd_st_postinc)(CPUM68KState *env, uint32_t addr, | |
503 | uint32_t mask) | |
504 | { | |
505 | return fmovem_postinc(env, addr, mask, cpu_st_float64_ra); | |
506 | } | |
507 | ||
508 | uint32_t HELPER(fmovemd_ld_postinc)(CPUM68KState *env, uint32_t addr, | |
509 | uint32_t mask) | |
510 | { | |
511 | return fmovem_postinc(env, addr, mask, cpu_ld_float64_ra); | |
512 | } | |
591596b7 LV |
513 | |
514 | static void make_quotient(CPUM68KState *env, floatx80 val) | |
515 | { | |
516 | int32_t quotient; | |
517 | int sign; | |
518 | ||
519 | if (floatx80_is_any_nan(val)) { | |
520 | return; | |
521 | } | |
522 | ||
523 | quotient = floatx80_to_int32(val, &env->fp_status); | |
524 | sign = quotient < 0; | |
525 | if (sign) { | |
526 | quotient = -quotient; | |
527 | } | |
528 | ||
529 | quotient = (sign << 7) | (quotient & 0x7f); | |
530 | env->fpsr = (env->fpsr & ~FPSR_QT_MASK) | (quotient << FPSR_QT_SHIFT); | |
531 | } | |
532 | ||
533 | void HELPER(fmod)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) | |
534 | { | |
535 | res->d = floatx80_mod(val1->d, val0->d, &env->fp_status); | |
536 | ||
537 | make_quotient(env, res->d); | |
538 | } | |
539 | ||
540 | void HELPER(frem)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) | |
541 | { | |
542 | res->d = floatx80_rem(val1->d, val0->d, &env->fp_status); | |
543 | ||
544 | make_quotient(env, res->d); | |
545 | } | |
0d379c17 LV |
546 | |
547 | void HELPER(fgetexp)(CPUM68KState *env, FPReg *res, FPReg *val) | |
548 | { | |
549 | res->d = floatx80_getexp(val->d, &env->fp_status); | |
550 | } | |
551 | ||
552 | void HELPER(fgetman)(CPUM68KState *env, FPReg *res, FPReg *val) | |
553 | { | |
554 | res->d = floatx80_getman(val->d, &env->fp_status); | |
555 | } | |
556 | ||
557 | void HELPER(fscale)(CPUM68KState *env, FPReg *res, FPReg *val0, FPReg *val1) | |
558 | { | |
559 | res->d = floatx80_scale(val1->d, val0->d, &env->fp_status); | |
560 | } | |
4b5c65b8 LV |
561 | |
562 | void HELPER(flognp1)(CPUM68KState *env, FPReg *res, FPReg *val) | |
563 | { | |
564 | res->d = floatx80_lognp1(val->d, &env->fp_status); | |
565 | } | |
50067bd1 LV |
566 | |
567 | void HELPER(flogn)(CPUM68KState *env, FPReg *res, FPReg *val) | |
568 | { | |
569 | res->d = floatx80_logn(val->d, &env->fp_status); | |
570 | } | |
248efb66 LV |
571 | |
572 | void HELPER(flog10)(CPUM68KState *env, FPReg *res, FPReg *val) | |
573 | { | |
574 | res->d = floatx80_log10(val->d, &env->fp_status); | |
575 | } | |
67b453ed LV |
576 | |
577 | void HELPER(flog2)(CPUM68KState *env, FPReg *res, FPReg *val) | |
578 | { | |
579 | res->d = floatx80_log2(val->d, &env->fp_status); | |
580 | } | |
40ad0873 LV |
581 | |
582 | void HELPER(fetox)(CPUM68KState *env, FPReg *res, FPReg *val) | |
583 | { | |
584 | res->d = floatx80_etox(val->d, &env->fp_status); | |
585 | } | |
068f1615 LV |
586 | |
587 | void HELPER(ftwotox)(CPUM68KState *env, FPReg *res, FPReg *val) | |
588 | { | |
589 | res->d = floatx80_twotox(val->d, &env->fp_status); | |
590 | } | |
6c25be6e LV |
591 | |
592 | void HELPER(ftentox)(CPUM68KState *env, FPReg *res, FPReg *val) | |
593 | { | |
594 | res->d = floatx80_tentox(val->d, &env->fp_status); | |
595 | } | |
27340180 LV |
596 | |
597 | void HELPER(ftan)(CPUM68KState *env, FPReg *res, FPReg *val) | |
598 | { | |
599 | res->d = floatx80_tan(val->d, &env->fp_status); | |
600 | } | |
5add1ac4 LV |
601 | |
602 | void HELPER(fsin)(CPUM68KState *env, FPReg *res, FPReg *val) | |
603 | { | |
604 | res->d = floatx80_sin(val->d, &env->fp_status); | |
605 | } | |
68d0ed37 LV |
606 | |
607 | void HELPER(fcos)(CPUM68KState *env, FPReg *res, FPReg *val) | |
608 | { | |
609 | res->d = floatx80_cos(val->d, &env->fp_status); | |
610 | } | |
47446c9c LV |
611 | |
612 | void HELPER(fsincos)(CPUM68KState *env, FPReg *res0, FPReg *res1, FPReg *val) | |
613 | { | |
614 | floatx80 a = val->d; | |
808d77bc LMP |
615 | /* |
616 | * If res0 and res1 specify the same floating-point data register, | |
47446c9c LV |
617 | * the sine result is stored in the register, and the cosine |
618 | * result is discarded. | |
619 | */ | |
620 | res1->d = floatx80_cos(a, &env->fp_status); | |
621 | res0->d = floatx80_sin(a, &env->fp_status); | |
622 | } | |
8c992abc LV |
623 | |
624 | void HELPER(fatan)(CPUM68KState *env, FPReg *res, FPReg *val) | |
625 | { | |
626 | res->d = floatx80_atan(val->d, &env->fp_status); | |
627 | } | |
bc20b34e LV |
628 | |
629 | void HELPER(fasin)(CPUM68KState *env, FPReg *res, FPReg *val) | |
630 | { | |
631 | res->d = floatx80_asin(val->d, &env->fp_status); | |
632 | } | |
c84813b8 LV |
633 | |
634 | void HELPER(facos)(CPUM68KState *env, FPReg *res, FPReg *val) | |
635 | { | |
636 | res->d = floatx80_acos(val->d, &env->fp_status); | |
637 | } | |
e3655afa LV |
638 | |
639 | void HELPER(fatanh)(CPUM68KState *env, FPReg *res, FPReg *val) | |
640 | { | |
641 | res->d = floatx80_atanh(val->d, &env->fp_status); | |
642 | } | |
9937b029 LV |
643 | |
644 | void HELPER(ftanh)(CPUM68KState *env, FPReg *res, FPReg *val) | |
645 | { | |
646 | res->d = floatx80_tanh(val->d, &env->fp_status); | |
647 | } | |
eee6b892 LV |
648 | |
649 | void HELPER(fsinh)(CPUM68KState *env, FPReg *res, FPReg *val) | |
650 | { | |
651 | res->d = floatx80_sinh(val->d, &env->fp_status); | |
652 | } | |
02f9124e LV |
653 | |
654 | void HELPER(fcosh)(CPUM68KState *env, FPReg *res, FPReg *val) | |
655 | { | |
656 | res->d = floatx80_cosh(val->d, &env->fp_status); | |
657 | } |