| 1 | /* Test floating-point exceptions. */ |
| 2 | |
| 3 | #include <float.h> |
| 4 | #include <stdint.h> |
| 5 | #include <stdio.h> |
| 6 | |
| 7 | union u { |
| 8 | struct { uint64_t sig; uint16_t sign_exp; } s; |
| 9 | long double ld; |
| 10 | }; |
| 11 | |
| 12 | volatile float f_res; |
| 13 | volatile double d_res; |
| 14 | volatile long double ld_res; |
| 15 | volatile long double ld_res2; |
| 16 | |
| 17 | volatile union u ld_invalid_1 = { .s = { 1, 1234 } }; |
| 18 | volatile float f_snan = __builtin_nansf(""); |
| 19 | volatile double d_snan = __builtin_nans(""); |
| 20 | volatile long double ld_third = 1.0L / 3.0L; |
| 21 | volatile long double ld_snan = __builtin_nansl(""); |
| 22 | volatile long double ld_nan = __builtin_nanl(""); |
| 23 | volatile long double ld_inf = __builtin_infl(); |
| 24 | volatile long double ld_ninf = -__builtin_infl(); |
| 25 | volatile long double ld_one = 1.0L; |
| 26 | volatile long double ld_zero = 0.0L; |
| 27 | volatile long double ld_nzero = -0.0L; |
| 28 | volatile long double ld_min = LDBL_MIN; |
| 29 | volatile long double ld_max = LDBL_MAX; |
| 30 | volatile long double ld_nmax = -LDBL_MAX; |
| 31 | |
| 32 | #define IE (1 << 0) |
| 33 | #define ZE (1 << 2) |
| 34 | #define OE (1 << 3) |
| 35 | #define UE (1 << 4) |
| 36 | #define PE (1 << 5) |
| 37 | #define EXC (IE | ZE | OE | UE | PE) |
| 38 | |
| 39 | int main(void) |
| 40 | { |
| 41 | short sw; |
| 42 | unsigned char out[10]; |
| 43 | int ret = 0; |
| 44 | int16_t res_16; |
| 45 | int32_t res_32; |
| 46 | int64_t res_64; |
| 47 | |
| 48 | __asm__ volatile ("fnclex"); |
| 49 | ld_res = f_snan; |
| 50 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 51 | if ((sw & EXC) != IE) { |
| 52 | printf("FAIL: widen float snan\n"); |
| 53 | ret = 1; |
| 54 | } |
| 55 | __asm__ volatile ("fnclex"); |
| 56 | ld_res = d_snan; |
| 57 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 58 | if ((sw & EXC) != IE) { |
| 59 | printf("FAIL: widen double snan\n"); |
| 60 | ret = 1; |
| 61 | } |
| 62 | |
| 63 | __asm__ volatile ("fnclex"); |
| 64 | f_res = ld_min; |
| 65 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 66 | if ((sw & EXC) != (UE | PE)) { |
| 67 | printf("FAIL: narrow float underflow\n"); |
| 68 | ret = 1; |
| 69 | } |
| 70 | __asm__ volatile ("fnclex"); |
| 71 | d_res = ld_min; |
| 72 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 73 | if ((sw & EXC) != (UE | PE)) { |
| 74 | printf("FAIL: narrow double underflow\n"); |
| 75 | ret = 1; |
| 76 | } |
| 77 | |
| 78 | __asm__ volatile ("fnclex"); |
| 79 | f_res = ld_max; |
| 80 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 81 | if ((sw & EXC) != (OE | PE)) { |
| 82 | printf("FAIL: narrow float overflow\n"); |
| 83 | ret = 1; |
| 84 | } |
| 85 | __asm__ volatile ("fnclex"); |
| 86 | d_res = ld_max; |
| 87 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 88 | if ((sw & EXC) != (OE | PE)) { |
| 89 | printf("FAIL: narrow double overflow\n"); |
| 90 | ret = 1; |
| 91 | } |
| 92 | |
| 93 | __asm__ volatile ("fnclex"); |
| 94 | f_res = ld_third; |
| 95 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 96 | if ((sw & EXC) != PE) { |
| 97 | printf("FAIL: narrow float inexact\n"); |
| 98 | ret = 1; |
| 99 | } |
| 100 | __asm__ volatile ("fnclex"); |
| 101 | d_res = ld_third; |
| 102 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 103 | if ((sw & EXC) != PE) { |
| 104 | printf("FAIL: narrow double inexact\n"); |
| 105 | ret = 1; |
| 106 | } |
| 107 | |
| 108 | __asm__ volatile ("fnclex"); |
| 109 | f_res = ld_snan; |
| 110 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 111 | if ((sw & EXC) != IE) { |
| 112 | printf("FAIL: narrow float snan\n"); |
| 113 | ret = 1; |
| 114 | } |
| 115 | __asm__ volatile ("fnclex"); |
| 116 | d_res = ld_snan; |
| 117 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 118 | if ((sw & EXC) != IE) { |
| 119 | printf("FAIL: narrow double snan\n"); |
| 120 | ret = 1; |
| 121 | } |
| 122 | |
| 123 | __asm__ volatile ("fnclex"); |
| 124 | f_res = ld_invalid_1.ld; |
| 125 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 126 | if ((sw & EXC) != IE) { |
| 127 | printf("FAIL: narrow float invalid\n"); |
| 128 | ret = 1; |
| 129 | } |
| 130 | __asm__ volatile ("fnclex"); |
| 131 | d_res = ld_invalid_1.ld; |
| 132 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 133 | if ((sw & EXC) != IE) { |
| 134 | printf("FAIL: narrow double invalid\n"); |
| 135 | ret = 1; |
| 136 | } |
| 137 | |
| 138 | __asm__ volatile ("fnclex"); |
| 139 | __asm__ volatile ("frndint" : "=t" (ld_res) : "0" (ld_min)); |
| 140 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 141 | if ((sw & EXC) != PE) { |
| 142 | printf("FAIL: frndint min\n"); |
| 143 | ret = 1; |
| 144 | } |
| 145 | __asm__ volatile ("fnclex"); |
| 146 | __asm__ volatile ("frndint" : "=t" (ld_res) : "0" (ld_snan)); |
| 147 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 148 | if ((sw & EXC) != IE) { |
| 149 | printf("FAIL: frndint snan\n"); |
| 150 | ret = 1; |
| 151 | } |
| 152 | __asm__ volatile ("fnclex"); |
| 153 | __asm__ volatile ("frndint" : "=t" (ld_res) : "0" (ld_invalid_1.ld)); |
| 154 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 155 | if ((sw & EXC) != IE) { |
| 156 | printf("FAIL: frndint invalid\n"); |
| 157 | ret = 1; |
| 158 | } |
| 159 | |
| 160 | __asm__ volatile ("fnclex"); |
| 161 | __asm__ volatile ("fcom" : : "t" (ld_nan), "u" (ld_zero)); |
| 162 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 163 | if ((sw & EXC) != IE) { |
| 164 | printf("FAIL: fcom nan\n"); |
| 165 | ret = 1; |
| 166 | } |
| 167 | __asm__ volatile ("fnclex"); |
| 168 | __asm__ volatile ("fucom" : : "t" (ld_nan), "u" (ld_zero)); |
| 169 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 170 | if ((sw & EXC) != 0) { |
| 171 | printf("FAIL: fucom nan\n"); |
| 172 | ret = 1; |
| 173 | } |
| 174 | __asm__ volatile ("fnclex"); |
| 175 | __asm__ volatile ("fucom" : : "t" (ld_snan), "u" (ld_zero)); |
| 176 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 177 | if ((sw & EXC) != IE) { |
| 178 | printf("FAIL: fucom snan\n"); |
| 179 | ret = 1; |
| 180 | } |
| 181 | __asm__ volatile ("fnclex"); |
| 182 | __asm__ volatile ("fucom" : : "t" (1.0L), "u" (ld_invalid_1.ld)); |
| 183 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 184 | if ((sw & EXC) != IE) { |
| 185 | printf("FAIL: fucom invalid\n"); |
| 186 | ret = 1; |
| 187 | } |
| 188 | |
| 189 | __asm__ volatile ("fnclex"); |
| 190 | ld_res = ld_max + ld_max; |
| 191 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 192 | if ((sw & EXC) != (OE | PE)) { |
| 193 | printf("FAIL: add overflow\n"); |
| 194 | ret = 1; |
| 195 | } |
| 196 | __asm__ volatile ("fnclex"); |
| 197 | ld_res = ld_max + ld_min; |
| 198 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 199 | if ((sw & EXC) != PE) { |
| 200 | printf("FAIL: add inexact\n"); |
| 201 | ret = 1; |
| 202 | } |
| 203 | __asm__ volatile ("fnclex"); |
| 204 | ld_res = ld_inf + ld_ninf; |
| 205 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 206 | if ((sw & EXC) != IE) { |
| 207 | printf("FAIL: add inf -inf\n"); |
| 208 | ret = 1; |
| 209 | } |
| 210 | __asm__ volatile ("fnclex"); |
| 211 | ld_res = ld_snan + ld_third; |
| 212 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 213 | if ((sw & EXC) != IE) { |
| 214 | printf("FAIL: add snan\n"); |
| 215 | ret = 1; |
| 216 | } |
| 217 | __asm__ volatile ("fnclex"); |
| 218 | ld_res = ld_third + ld_invalid_1.ld; |
| 219 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 220 | if ((sw & EXC) != IE) { |
| 221 | printf("FAIL: add invalid\n"); |
| 222 | ret = 1; |
| 223 | } |
| 224 | |
| 225 | __asm__ volatile ("fnclex"); |
| 226 | ld_res = ld_max - ld_nmax; |
| 227 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 228 | if ((sw & EXC) != (OE | PE)) { |
| 229 | printf("FAIL: sub overflow\n"); |
| 230 | ret = 1; |
| 231 | } |
| 232 | __asm__ volatile ("fnclex"); |
| 233 | ld_res = ld_max - ld_min; |
| 234 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 235 | if ((sw & EXC) != PE) { |
| 236 | printf("FAIL: sub inexact\n"); |
| 237 | ret = 1; |
| 238 | } |
| 239 | __asm__ volatile ("fnclex"); |
| 240 | ld_res = ld_inf - ld_inf; |
| 241 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 242 | if ((sw & EXC) != IE) { |
| 243 | printf("FAIL: sub inf inf\n"); |
| 244 | ret = 1; |
| 245 | } |
| 246 | __asm__ volatile ("fnclex"); |
| 247 | ld_res = ld_snan - ld_third; |
| 248 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 249 | if ((sw & EXC) != IE) { |
| 250 | printf("FAIL: sub snan\n"); |
| 251 | ret = 1; |
| 252 | } |
| 253 | __asm__ volatile ("fnclex"); |
| 254 | ld_res = ld_third - ld_invalid_1.ld; |
| 255 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 256 | if ((sw & EXC) != IE) { |
| 257 | printf("FAIL: sub invalid\n"); |
| 258 | ret = 1; |
| 259 | } |
| 260 | |
| 261 | __asm__ volatile ("fnclex"); |
| 262 | ld_res = ld_max * ld_max; |
| 263 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 264 | if ((sw & EXC) != (OE | PE)) { |
| 265 | printf("FAIL: mul overflow\n"); |
| 266 | ret = 1; |
| 267 | } |
| 268 | __asm__ volatile ("fnclex"); |
| 269 | ld_res = ld_third * ld_third; |
| 270 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 271 | if ((sw & EXC) != PE) { |
| 272 | printf("FAIL: mul inexact\n"); |
| 273 | ret = 1; |
| 274 | } |
| 275 | __asm__ volatile ("fnclex"); |
| 276 | ld_res = ld_min * ld_min; |
| 277 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 278 | if ((sw & EXC) != (UE | PE)) { |
| 279 | printf("FAIL: mul underflow\n"); |
| 280 | ret = 1; |
| 281 | } |
| 282 | __asm__ volatile ("fnclex"); |
| 283 | ld_res = ld_inf * ld_zero; |
| 284 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 285 | if ((sw & EXC) != IE) { |
| 286 | printf("FAIL: mul inf 0\n"); |
| 287 | ret = 1; |
| 288 | } |
| 289 | __asm__ volatile ("fnclex"); |
| 290 | ld_res = ld_snan * ld_third; |
| 291 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 292 | if ((sw & EXC) != IE) { |
| 293 | printf("FAIL: mul snan\n"); |
| 294 | ret = 1; |
| 295 | } |
| 296 | __asm__ volatile ("fnclex"); |
| 297 | ld_res = ld_third * ld_invalid_1.ld; |
| 298 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 299 | if ((sw & EXC) != IE) { |
| 300 | printf("FAIL: mul invalid\n"); |
| 301 | ret = 1; |
| 302 | } |
| 303 | |
| 304 | __asm__ volatile ("fnclex"); |
| 305 | ld_res = ld_max / ld_min; |
| 306 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 307 | if ((sw & EXC) != (OE | PE)) { |
| 308 | printf("FAIL: div overflow\n"); |
| 309 | ret = 1; |
| 310 | } |
| 311 | __asm__ volatile ("fnclex"); |
| 312 | ld_res = ld_one / ld_third; |
| 313 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 314 | if ((sw & EXC) != PE) { |
| 315 | printf("FAIL: div inexact\n"); |
| 316 | ret = 1; |
| 317 | } |
| 318 | __asm__ volatile ("fnclex"); |
| 319 | ld_res = ld_min / ld_max; |
| 320 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 321 | if ((sw & EXC) != (UE | PE)) { |
| 322 | printf("FAIL: div underflow\n"); |
| 323 | ret = 1; |
| 324 | } |
| 325 | __asm__ volatile ("fnclex"); |
| 326 | ld_res = ld_one / ld_zero; |
| 327 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 328 | if ((sw & EXC) != ZE) { |
| 329 | printf("FAIL: div 1 0\n"); |
| 330 | ret = 1; |
| 331 | } |
| 332 | __asm__ volatile ("fnclex"); |
| 333 | ld_res = ld_inf / ld_zero; |
| 334 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 335 | if ((sw & EXC) != 0) { |
| 336 | printf("FAIL: div inf 0\n"); |
| 337 | ret = 1; |
| 338 | } |
| 339 | __asm__ volatile ("fnclex"); |
| 340 | ld_res = ld_nan / ld_zero; |
| 341 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 342 | if ((sw & EXC) != 0) { |
| 343 | printf("FAIL: div nan 0\n"); |
| 344 | ret = 1; |
| 345 | } |
| 346 | __asm__ volatile ("fnclex"); |
| 347 | ld_res = ld_zero / ld_zero; |
| 348 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 349 | if ((sw & EXC) != IE) { |
| 350 | printf("FAIL: div 0 0\n"); |
| 351 | ret = 1; |
| 352 | } |
| 353 | __asm__ volatile ("fnclex"); |
| 354 | ld_res = ld_inf / ld_inf; |
| 355 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 356 | if ((sw & EXC) != IE) { |
| 357 | printf("FAIL: div inf inf\n"); |
| 358 | ret = 1; |
| 359 | } |
| 360 | __asm__ volatile ("fnclex"); |
| 361 | ld_res = ld_snan / ld_third; |
| 362 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 363 | if ((sw & EXC) != IE) { |
| 364 | printf("FAIL: div snan\n"); |
| 365 | ret = 1; |
| 366 | } |
| 367 | __asm__ volatile ("fnclex"); |
| 368 | ld_res = ld_third / ld_invalid_1.ld; |
| 369 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 370 | if ((sw & EXC) != IE) { |
| 371 | printf("FAIL: div invalid\n"); |
| 372 | ret = 1; |
| 373 | } |
| 374 | |
| 375 | __asm__ volatile ("fnclex"); |
| 376 | __asm__ volatile ("fsqrt" : "=t" (ld_res) : "0" (ld_max)); |
| 377 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 378 | if ((sw & EXC) != PE) { |
| 379 | printf("FAIL: fsqrt inexact\n"); |
| 380 | ret = 1; |
| 381 | } |
| 382 | __asm__ volatile ("fnclex"); |
| 383 | __asm__ volatile ("fsqrt" : "=t" (ld_res) : "0" (ld_nmax)); |
| 384 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 385 | if ((sw & EXC) != IE) { |
| 386 | printf("FAIL: fsqrt -max\n"); |
| 387 | ret = 1; |
| 388 | } |
| 389 | __asm__ volatile ("fnclex"); |
| 390 | __asm__ volatile ("fsqrt" : "=t" (ld_res) : "0" (ld_ninf)); |
| 391 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 392 | if ((sw & EXC) != IE) { |
| 393 | printf("FAIL: fsqrt -inf\n"); |
| 394 | ret = 1; |
| 395 | } |
| 396 | __asm__ volatile ("fnclex"); |
| 397 | __asm__ volatile ("fsqrt" : "=t" (ld_res) : "0" (ld_snan)); |
| 398 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 399 | if ((sw & EXC) != IE) { |
| 400 | printf("FAIL: fsqrt snan\n"); |
| 401 | ret = 1; |
| 402 | } |
| 403 | __asm__ volatile ("fnclex"); |
| 404 | __asm__ volatile ("fsqrt" : "=t" (ld_res) : "0" (ld_invalid_1.ld)); |
| 405 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 406 | if ((sw & EXC) != IE) { |
| 407 | printf("FAIL: fsqrt invalid\n"); |
| 408 | ret = 1; |
| 409 | } |
| 410 | __asm__ volatile ("fnclex"); |
| 411 | __asm__ volatile ("fsqrt" : "=t" (ld_res) : "0" (ld_nzero)); |
| 412 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 413 | if ((sw & EXC) != 0) { |
| 414 | printf("FAIL: fsqrt -0\n"); |
| 415 | ret = 1; |
| 416 | } |
| 417 | __asm__ volatile ("fnclex"); |
| 418 | __asm__ volatile ("fsqrt" : "=t" (ld_res) : "0" (-__builtin_nanl(""))); |
| 419 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 420 | if ((sw & EXC) != 0) { |
| 421 | printf("FAIL: fsqrt -nan\n"); |
| 422 | ret = 1; |
| 423 | } |
| 424 | |
| 425 | __asm__ volatile ("fnclex"); |
| 426 | __asm__ volatile ("fistps %0" : "=m" (res_16) : "t" (1.5L) : "st"); |
| 427 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 428 | if ((sw & EXC) != PE) { |
| 429 | printf("FAIL: fistp inexact\n"); |
| 430 | ret = 1; |
| 431 | } |
| 432 | __asm__ volatile ("fnclex"); |
| 433 | __asm__ volatile ("fistps %0" : "=m" (res_16) : "t" (32767.5L) : "st"); |
| 434 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 435 | if ((sw & EXC) != IE) { |
| 436 | printf("FAIL: fistp 32767.5\n"); |
| 437 | ret = 1; |
| 438 | } |
| 439 | __asm__ volatile ("fnclex"); |
| 440 | __asm__ volatile ("fistps %0" : "=m" (res_16) : "t" (-32768.51L) : "st"); |
| 441 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 442 | if ((sw & EXC) != IE) { |
| 443 | printf("FAIL: fistp -32768.51\n"); |
| 444 | ret = 1; |
| 445 | } |
| 446 | __asm__ volatile ("fnclex"); |
| 447 | __asm__ volatile ("fistps %0" : "=m" (res_16) : "t" (ld_nan) : "st"); |
| 448 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 449 | if ((sw & EXC) != IE) { |
| 450 | printf("FAIL: fistp nan\n"); |
| 451 | ret = 1; |
| 452 | } |
| 453 | __asm__ volatile ("fnclex"); |
| 454 | __asm__ volatile ("fistps %0" : "=m" (res_16) : "t" (ld_invalid_1.ld) : |
| 455 | "st"); |
| 456 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 457 | if ((sw & EXC) != IE) { |
| 458 | printf("FAIL: fistp invalid\n"); |
| 459 | ret = 1; |
| 460 | } |
| 461 | |
| 462 | __asm__ volatile ("fnclex"); |
| 463 | __asm__ volatile ("fistpl %0" : "=m" (res_32) : "t" (1.5L) : "st"); |
| 464 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 465 | if ((sw & EXC) != PE) { |
| 466 | printf("FAIL: fistpl inexact\n"); |
| 467 | ret = 1; |
| 468 | } |
| 469 | __asm__ volatile ("fnclex"); |
| 470 | __asm__ volatile ("fistpl %0" : "=m" (res_32) : "t" (2147483647.5L) : |
| 471 | "st"); |
| 472 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 473 | if ((sw & EXC) != IE) { |
| 474 | printf("FAIL: fistpl 2147483647.5\n"); |
| 475 | ret = 1; |
| 476 | } |
| 477 | __asm__ volatile ("fnclex"); |
| 478 | __asm__ volatile ("fistpl %0" : "=m" (res_32) : "t" (-2147483648.51L) : |
| 479 | "st"); |
| 480 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 481 | if ((sw & EXC) != IE) { |
| 482 | printf("FAIL: fistpl -2147483648.51\n"); |
| 483 | ret = 1; |
| 484 | } |
| 485 | __asm__ volatile ("fnclex"); |
| 486 | __asm__ volatile ("fistpl %0" : "=m" (res_32) : "t" (ld_nan) : "st"); |
| 487 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 488 | if ((sw & EXC) != IE) { |
| 489 | printf("FAIL: fistpl nan\n"); |
| 490 | ret = 1; |
| 491 | } |
| 492 | __asm__ volatile ("fnclex"); |
| 493 | __asm__ volatile ("fistpl %0" : "=m" (res_32) : "t" (ld_invalid_1.ld) : |
| 494 | "st"); |
| 495 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 496 | if ((sw & EXC) != IE) { |
| 497 | printf("FAIL: fistpl invalid\n"); |
| 498 | ret = 1; |
| 499 | } |
| 500 | |
| 501 | __asm__ volatile ("fnclex"); |
| 502 | __asm__ volatile ("fistpll %0" : "=m" (res_64) : "t" (1.5L) : "st"); |
| 503 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 504 | if ((sw & EXC) != PE) { |
| 505 | printf("FAIL: fistpll inexact\n"); |
| 506 | ret = 1; |
| 507 | } |
| 508 | __asm__ volatile ("fnclex"); |
| 509 | __asm__ volatile ("fistpll %0" : "=m" (res_64) : "t" (0x1p63) : |
| 510 | "st"); |
| 511 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 512 | if ((sw & EXC) != IE) { |
| 513 | printf("FAIL: fistpll 0x1p63\n"); |
| 514 | ret = 1; |
| 515 | } |
| 516 | __asm__ volatile ("fnclex"); |
| 517 | __asm__ volatile ("fistpll %0" : "=m" (res_64) : "t" (-0x1.1p63L) : |
| 518 | "st"); |
| 519 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 520 | if ((sw & EXC) != IE) { |
| 521 | printf("FAIL: fistpll -0x1.1p63\n"); |
| 522 | ret = 1; |
| 523 | } |
| 524 | __asm__ volatile ("fnclex"); |
| 525 | __asm__ volatile ("fistpll %0" : "=m" (res_64) : "t" (ld_nan) : "st"); |
| 526 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 527 | if ((sw & EXC) != IE) { |
| 528 | printf("FAIL: fistpll nan\n"); |
| 529 | ret = 1; |
| 530 | } |
| 531 | __asm__ volatile ("fnclex"); |
| 532 | __asm__ volatile ("fistpll %0" : "=m" (res_64) : "t" (ld_invalid_1.ld) : |
| 533 | "st"); |
| 534 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 535 | if ((sw & EXC) != IE) { |
| 536 | printf("FAIL: fistpll invalid\n"); |
| 537 | ret = 1; |
| 538 | } |
| 539 | |
| 540 | __asm__ volatile ("fnclex"); |
| 541 | __asm__ volatile ("fisttps %0" : "=m" (res_16) : "t" (1.5L) : "st"); |
| 542 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 543 | if ((sw & EXC) != PE) { |
| 544 | printf("FAIL: fisttp inexact\n"); |
| 545 | ret = 1; |
| 546 | } |
| 547 | __asm__ volatile ("fnclex"); |
| 548 | __asm__ volatile ("fisttps %0" : "=m" (res_16) : "t" (32768.0L) : "st"); |
| 549 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 550 | if ((sw & EXC) != IE) { |
| 551 | printf("FAIL: fisttp 32768\n"); |
| 552 | ret = 1; |
| 553 | } |
| 554 | __asm__ volatile ("fnclex"); |
| 555 | __asm__ volatile ("fisttps %0" : "=m" (res_16) : "t" (32768.5L) : "st"); |
| 556 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 557 | if ((sw & EXC) != IE) { |
| 558 | printf("FAIL: fisttp 32768.5\n"); |
| 559 | ret = 1; |
| 560 | } |
| 561 | __asm__ volatile ("fnclex"); |
| 562 | __asm__ volatile ("fisttps %0" : "=m" (res_16) : "t" (-32769.0L) : "st"); |
| 563 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 564 | if ((sw & EXC) != IE) { |
| 565 | printf("FAIL: fisttp -32769\n"); |
| 566 | ret = 1; |
| 567 | } |
| 568 | __asm__ volatile ("fnclex"); |
| 569 | __asm__ volatile ("fisttps %0" : "=m" (res_16) : "t" (-32769.5L) : "st"); |
| 570 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 571 | if ((sw & EXC) != IE) { |
| 572 | printf("FAIL: fisttp -32769.5\n"); |
| 573 | ret = 1; |
| 574 | } |
| 575 | __asm__ volatile ("fnclex"); |
| 576 | __asm__ volatile ("fisttps %0" : "=m" (res_16) : "t" (ld_nan) : "st"); |
| 577 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 578 | if ((sw & EXC) != IE) { |
| 579 | printf("FAIL: fisttp nan\n"); |
| 580 | ret = 1; |
| 581 | } |
| 582 | __asm__ volatile ("fnclex"); |
| 583 | __asm__ volatile ("fisttps %0" : "=m" (res_16) : "t" (ld_invalid_1.ld) : |
| 584 | "st"); |
| 585 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 586 | if ((sw & EXC) != IE) { |
| 587 | printf("FAIL: fisttp invalid\n"); |
| 588 | ret = 1; |
| 589 | } |
| 590 | |
| 591 | __asm__ volatile ("fnclex"); |
| 592 | __asm__ volatile ("fisttpl %0" : "=m" (res_32) : "t" (1.5L) : "st"); |
| 593 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 594 | if ((sw & EXC) != PE) { |
| 595 | printf("FAIL: fisttpl inexact\n"); |
| 596 | ret = 1; |
| 597 | } |
| 598 | __asm__ volatile ("fnclex"); |
| 599 | __asm__ volatile ("fisttpl %0" : "=m" (res_32) : "t" (2147483648.0L) : |
| 600 | "st"); |
| 601 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 602 | if ((sw & EXC) != IE) { |
| 603 | printf("FAIL: fisttpl 2147483648\n"); |
| 604 | ret = 1; |
| 605 | } |
| 606 | __asm__ volatile ("fnclex"); |
| 607 | __asm__ volatile ("fisttpl %0" : "=m" (res_32) : "t" (-2147483649.0L) : |
| 608 | "st"); |
| 609 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 610 | if ((sw & EXC) != IE) { |
| 611 | printf("FAIL: fisttpl -2147483649\n"); |
| 612 | ret = 1; |
| 613 | } |
| 614 | __asm__ volatile ("fnclex"); |
| 615 | __asm__ volatile ("fisttpl %0" : "=m" (res_32) : "t" (ld_nan) : "st"); |
| 616 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 617 | if ((sw & EXC) != IE) { |
| 618 | printf("FAIL: fisttpl nan\n"); |
| 619 | ret = 1; |
| 620 | } |
| 621 | __asm__ volatile ("fnclex"); |
| 622 | __asm__ volatile ("fisttpl %0" : "=m" (res_32) : "t" (ld_invalid_1.ld) : |
| 623 | "st"); |
| 624 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 625 | if ((sw & EXC) != IE) { |
| 626 | printf("FAIL: fisttpl invalid\n"); |
| 627 | ret = 1; |
| 628 | } |
| 629 | |
| 630 | __asm__ volatile ("fnclex"); |
| 631 | __asm__ volatile ("fisttpll %0" : "=m" (res_64) : "t" (1.5L) : "st"); |
| 632 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 633 | if ((sw & EXC) != PE) { |
| 634 | printf("FAIL: fisttpll inexact\n"); |
| 635 | ret = 1; |
| 636 | } |
| 637 | __asm__ volatile ("fnclex"); |
| 638 | __asm__ volatile ("fisttpll %0" : "=m" (res_64) : "t" (0x1p63) : |
| 639 | "st"); |
| 640 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 641 | if ((sw & EXC) != IE) { |
| 642 | printf("FAIL: fisttpll 0x1p63\n"); |
| 643 | ret = 1; |
| 644 | } |
| 645 | __asm__ volatile ("fnclex"); |
| 646 | __asm__ volatile ("fisttpll %0" : "=m" (res_64) : "t" (-0x1.1p63L) : |
| 647 | "st"); |
| 648 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 649 | if ((sw & EXC) != IE) { |
| 650 | printf("FAIL: fisttpll -0x1.1p63\n"); |
| 651 | ret = 1; |
| 652 | } |
| 653 | __asm__ volatile ("fnclex"); |
| 654 | __asm__ volatile ("fisttpll %0" : "=m" (res_64) : "t" (ld_nan) : "st"); |
| 655 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 656 | if ((sw & EXC) != IE) { |
| 657 | printf("FAIL: fisttpll nan\n"); |
| 658 | ret = 1; |
| 659 | } |
| 660 | __asm__ volatile ("fnclex"); |
| 661 | __asm__ volatile ("fisttpll %0" : "=m" (res_64) : "t" (ld_invalid_1.ld) : |
| 662 | "st"); |
| 663 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 664 | if ((sw & EXC) != IE) { |
| 665 | printf("FAIL: fisttpll invalid\n"); |
| 666 | ret = 1; |
| 667 | } |
| 668 | |
| 669 | __asm__ volatile ("fnclex"); |
| 670 | __asm__ volatile ("fxtract" : "=t" (ld_res), "=u" (ld_res2) : |
| 671 | "0" (ld_zero)); |
| 672 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 673 | if ((sw & EXC) != ZE) { |
| 674 | printf("FAIL: fxtract 0\n"); |
| 675 | ret = 1; |
| 676 | } |
| 677 | __asm__ volatile ("fnclex"); |
| 678 | __asm__ volatile ("fxtract" : "=t" (ld_res), "=u" (ld_res2) : |
| 679 | "0" (ld_nzero)); |
| 680 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 681 | if ((sw & EXC) != ZE) { |
| 682 | printf("FAIL: fxtract -0\n"); |
| 683 | ret = 1; |
| 684 | } |
| 685 | __asm__ volatile ("fnclex"); |
| 686 | __asm__ volatile ("fxtract" : "=t" (ld_res), "=u" (ld_res2) : |
| 687 | "0" (ld_inf)); |
| 688 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 689 | if ((sw & EXC) != 0) { |
| 690 | printf("FAIL: fxtract inf\n"); |
| 691 | ret = 1; |
| 692 | } |
| 693 | __asm__ volatile ("fnclex"); |
| 694 | __asm__ volatile ("fxtract" : "=t" (ld_res), "=u" (ld_res2) : |
| 695 | "0" (ld_nan)); |
| 696 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 697 | if ((sw & EXC) != 0) { |
| 698 | printf("FAIL: fxtract nan\n"); |
| 699 | ret = 1; |
| 700 | } |
| 701 | __asm__ volatile ("fnclex"); |
| 702 | __asm__ volatile ("fxtract" : "=t" (ld_res), "=u" (ld_res2) : |
| 703 | "0" (ld_snan)); |
| 704 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 705 | if ((sw & EXC) != IE) { |
| 706 | printf("FAIL: fxtract snan\n"); |
| 707 | ret = 1; |
| 708 | } |
| 709 | __asm__ volatile ("fnclex"); |
| 710 | __asm__ volatile ("fxtract" : "=t" (ld_res), "=u" (ld_res2) : |
| 711 | "0" (ld_invalid_1.ld)); |
| 712 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 713 | if ((sw & EXC) != IE) { |
| 714 | printf("FAIL: fxtract invalid\n"); |
| 715 | ret = 1; |
| 716 | } |
| 717 | |
| 718 | __asm__ volatile ("fnclex"); |
| 719 | __asm__ volatile ("fscale" : "=t" (ld_res) : "0" (ld_min), "u" (ld_max)); |
| 720 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 721 | if ((sw & EXC) != (OE | PE)) { |
| 722 | printf("FAIL: fscale overflow\n"); |
| 723 | ret = 1; |
| 724 | } |
| 725 | __asm__ volatile ("fnclex"); |
| 726 | __asm__ volatile ("fscale" : "=t" (ld_res) : "0" (ld_max), "u" (ld_nmax)); |
| 727 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 728 | if ((sw & EXC) != (UE | PE)) { |
| 729 | printf("FAIL: fscale underflow\n"); |
| 730 | ret = 1; |
| 731 | } |
| 732 | __asm__ volatile ("fnclex"); |
| 733 | __asm__ volatile ("fscale" : "=t" (ld_res) : "0" (ld_zero), "u" (ld_inf)); |
| 734 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 735 | if ((sw & EXC) != IE) { |
| 736 | printf("FAIL: fscale 0 inf\n"); |
| 737 | ret = 1; |
| 738 | } |
| 739 | __asm__ volatile ("fnclex"); |
| 740 | __asm__ volatile ("fscale" : "=t" (ld_res) : "0" (ld_inf), "u" (ld_ninf)); |
| 741 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 742 | if ((sw & EXC) != IE) { |
| 743 | printf("FAIL: fscale inf -inf\n"); |
| 744 | ret = 1; |
| 745 | } |
| 746 | __asm__ volatile ("fnclex"); |
| 747 | __asm__ volatile ("fscale" : "=t" (ld_res) : "0" (ld_one), "u" (ld_snan)); |
| 748 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 749 | if ((sw & EXC) != IE) { |
| 750 | printf("FAIL: fscale 1 snan\n"); |
| 751 | ret = 1; |
| 752 | } |
| 753 | __asm__ volatile ("fnclex"); |
| 754 | __asm__ volatile ("fscale" : "=t" (ld_res) : "0" (ld_snan), "u" (ld_nan)); |
| 755 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 756 | if ((sw & EXC) != IE) { |
| 757 | printf("FAIL: fscale snan nan\n"); |
| 758 | ret = 1; |
| 759 | } |
| 760 | __asm__ volatile ("fnclex"); |
| 761 | __asm__ volatile ("fscale" : "=t" (ld_res) : |
| 762 | "0" (ld_invalid_1.ld), "u" (ld_one)); |
| 763 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 764 | if ((sw & EXC) != IE) { |
| 765 | printf("FAIL: fscale invalid 1\n"); |
| 766 | ret = 1; |
| 767 | } |
| 768 | __asm__ volatile ("fnclex"); |
| 769 | __asm__ volatile ("fscale" : "=t" (ld_res) : |
| 770 | "0" (ld_invalid_1.ld), "u" (ld_nan)); |
| 771 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 772 | if ((sw & EXC) != IE) { |
| 773 | printf("FAIL: fscale invalid nan\n"); |
| 774 | ret = 1; |
| 775 | } |
| 776 | |
| 777 | __asm__ volatile ("fnclex"); |
| 778 | __asm__ volatile ("fbstp %0" : "=m" (out) : "t" (1.5L) : |
| 779 | "st"); |
| 780 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 781 | if ((sw & EXC) != PE) { |
| 782 | printf("FAIL: fbstp 1.5\n"); |
| 783 | ret = 1; |
| 784 | } |
| 785 | __asm__ volatile ("fnclex"); |
| 786 | __asm__ volatile ("fbstp %0" : "=m" (out) : "t" (999999999999999999.5L) : |
| 787 | "st"); |
| 788 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 789 | if ((sw & EXC) != IE) { |
| 790 | printf("FAIL: fbstp 999999999999999999.5\n"); |
| 791 | ret = 1; |
| 792 | } |
| 793 | __asm__ volatile ("fnclex"); |
| 794 | __asm__ volatile ("fbstp %0" : "=m" (out) : "t" (-1000000000000000000.0L) : |
| 795 | "st"); |
| 796 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 797 | if ((sw & EXC) != IE) { |
| 798 | printf("FAIL: fbstp -1000000000000000000\n"); |
| 799 | ret = 1; |
| 800 | } |
| 801 | __asm__ volatile ("fnclex"); |
| 802 | __asm__ volatile ("fbstp %0" : "=m" (out) : "t" (ld_inf) : "st"); |
| 803 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 804 | if ((sw & EXC) != IE) { |
| 805 | printf("FAIL: fbstp inf\n"); |
| 806 | ret = 1; |
| 807 | } |
| 808 | __asm__ volatile ("fnclex"); |
| 809 | __asm__ volatile ("fbstp %0" : "=m" (out) : "t" (ld_nan) : "st"); |
| 810 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 811 | if ((sw & EXC) != IE) { |
| 812 | printf("FAIL: fbstp nan\n"); |
| 813 | ret = 1; |
| 814 | } |
| 815 | __asm__ volatile ("fnclex"); |
| 816 | __asm__ volatile ("fbstp %0" : "=m" (out) : "t" (ld_snan) : "st"); |
| 817 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 818 | if ((sw & EXC) != IE) { |
| 819 | printf("FAIL: fbstp snan\n"); |
| 820 | ret = 1; |
| 821 | } |
| 822 | __asm__ volatile ("fnclex"); |
| 823 | __asm__ volatile ("fbstp %0" : "=m" (out) : "t" (ld_invalid_1.ld) : "st"); |
| 824 | __asm__ volatile ("fnstsw" : "=a" (sw)); |
| 825 | if ((sw & EXC) != IE) { |
| 826 | printf("FAIL: fbstp invalid\n"); |
| 827 | ret = 1; |
| 828 | } |
| 829 | |
| 830 | return ret; |
| 831 | } |