diff options
Diffstat (limited to 'libgcc/soft-fp/bitintpow10.c')
| -rw-r--r-- | libgcc/soft-fp/bitintpow10.c | 340 |
1 files changed, 339 insertions, 1 deletions
diff --git a/libgcc/soft-fp/bitintpow10.c b/libgcc/soft-fp/bitintpow10.c index 06a470f0..15b288c 100644 --- a/libgcc/soft-fp/bitintpow10.c +++ b/libgcc/soft-fp/bitintpow10.c @@ -1,7 +1,7 @@ /* Software floating-point emulation. Compute powers of 10 into _BitInt. - Copyright (C) 2023 Free Software Foundation, Inc. + Copyright (C) 2023-2025 Free Software Foundation, Inc. This file is part of GCC. @@ -130,3 +130,341 @@ __bid_pow10bitint (UBILtype *r, SItype rprec, USItype n) } } #endif + +#ifndef ENABLE_DECIMAL_BID_FORMAT +/* DPD encoded 10-bit number to decimal table. */ +const unsigned short __dpd_d2bbitint[1024] = { + 0, 1, 2, 3, 4, 5, 6, 7, + 8, 9, 80, 81, 800, 801, 880, 881, + 10, 11, 12, 13, 14, 15, 16, 17, + 18, 19, 90, 91, 810, 811, 890, 891, + 20, 21, 22, 23, 24, 25, 26, 27, + 28, 29, 82, 83, 820, 821, 808, 809, + 30, 31, 32, 33, 34, 35, 36, 37, + 38, 39, 92, 93, 830, 831, 818, 819, + 40, 41, 42, 43, 44, 45, 46, 47, + 48, 49, 84, 85, 840, 841, 88, 89, + 50, 51, 52, 53, 54, 55, 56, 57, + 58, 59, 94, 95, 850, 851, 98, 99, + 60, 61, 62, 63, 64, 65, 66, 67, + 68, 69, 86, 87, 860, 861, 888, 889, + 70, 71, 72, 73, 74, 75, 76, 77, + 78, 79, 96, 97, 870, 871, 898, 899, + 100, 101, 102, 103, 104, 105, 106, 107, + 108, 109, 180, 181, 900, 901, 980, 981, + 110, 111, 112, 113, 114, 115, 116, 117, + 118, 119, 190, 191, 910, 911, 990, 991, + 120, 121, 122, 123, 124, 125, 126, 127, + 128, 129, 182, 183, 920, 921, 908, 909, + 130, 131, 132, 133, 134, 135, 136, 137, + 138, 139, 192, 193, 930, 931, 918, 919, + 140, 141, 142, 143, 144, 145, 146, 147, + 148, 149, 184, 185, 940, 941, 188, 189, + 150, 151, 152, 153, 154, 155, 156, 157, + 158, 159, 194, 195, 950, 951, 198, 199, + 160, 161, 162, 163, 164, 165, 166, 167, + 168, 169, 186, 187, 960, 961, 988, 989, + 170, 171, 172, 173, 174, 175, 176, 177, + 178, 179, 196, 197, 970, 971, 998, 999, + 200, 201, 202, 203, 204, 205, 206, 207, + 208, 209, 280, 281, 802, 803, 882, 883, + 210, 211, 212, 213, 214, 215, 216, 217, + 218, 219, 290, 291, 812, 813, 892, 893, + 220, 221, 222, 223, 224, 225, 226, 227, + 228, 229, 282, 283, 822, 823, 828, 829, + 230, 231, 232, 233, 234, 235, 236, 237, + 238, 239, 292, 293, 832, 833, 838, 839, + 240, 241, 242, 243, 244, 245, 246, 247, + 248, 249, 284, 285, 842, 843, 288, 289, + 250, 251, 252, 253, 254, 255, 256, 257, + 258, 259, 294, 295, 852, 853, 298, 299, + 260, 261, 262, 263, 264, 265, 266, 267, + 268, 269, 286, 287, 862, 863, 888, 889, + 270, 271, 272, 273, 274, 275, 276, 277, + 278, 279, 296, 297, 872, 873, 898, 899, + 300, 301, 302, 303, 304, 305, 306, 307, + 308, 309, 380, 381, 902, 903, 982, 983, + 310, 311, 312, 313, 314, 315, 316, 317, + 318, 319, 390, 391, 912, 913, 992, 993, + 320, 321, 322, 323, 324, 325, 326, 327, + 328, 329, 382, 383, 922, 923, 928, 929, + 330, 331, 332, 333, 334, 335, 336, 337, + 338, 339, 392, 393, 932, 933, 938, 939, + 340, 341, 342, 343, 344, 345, 346, 347, + 348, 349, 384, 385, 942, 943, 388, 389, + 350, 351, 352, 353, 354, 355, 356, 357, + 358, 359, 394, 395, 952, 953, 398, 399, + 360, 361, 362, 363, 364, 365, 366, 367, + 368, 369, 386, 387, 962, 963, 988, 989, + 370, 371, 372, 373, 374, 375, 376, 377, + 378, 379, 396, 397, 972, 973, 998, 999, + 400, 401, 402, 403, 404, 405, 406, 407, + 408, 409, 480, 481, 804, 805, 884, 885, + 410, 411, 412, 413, 414, 415, 416, 417, + 418, 419, 490, 491, 814, 815, 894, 895, + 420, 421, 422, 423, 424, 425, 426, 427, + 428, 429, 482, 483, 824, 825, 848, 849, + 430, 431, 432, 433, 434, 435, 436, 437, + 438, 439, 492, 493, 834, 835, 858, 859, + 440, 441, 442, 443, 444, 445, 446, 447, + 448, 449, 484, 485, 844, 845, 488, 489, + 450, 451, 452, 453, 454, 455, 456, 457, + 458, 459, 494, 495, 854, 855, 498, 499, + 460, 461, 462, 463, 464, 465, 466, 467, + 468, 469, 486, 487, 864, 865, 888, 889, + 470, 471, 472, 473, 474, 475, 476, 477, + 478, 479, 496, 497, 874, 875, 898, 899, + 500, 501, 502, 503, 504, 505, 506, 507, + 508, 509, 580, 581, 904, 905, 984, 985, + 510, 511, 512, 513, 514, 515, 516, 517, + 518, 519, 590, 591, 914, 915, 994, 995, + 520, 521, 522, 523, 524, 525, 526, 527, + 528, 529, 582, 583, 924, 925, 948, 949, + 530, 531, 532, 533, 534, 535, 536, 537, + 538, 539, 592, 593, 934, 935, 958, 959, + 540, 541, 542, 543, 544, 545, 546, 547, + 548, 549, 584, 585, 944, 945, 588, 589, + 550, 551, 552, 553, 554, 555, 556, 557, + 558, 559, 594, 595, 954, 955, 598, 599, + 560, 561, 562, 563, 564, 565, 566, 567, + 568, 569, 586, 587, 964, 965, 988, 989, + 570, 571, 572, 573, 574, 575, 576, 577, + 578, 579, 596, 597, 974, 975, 998, 999, + 600, 601, 602, 603, 604, 605, 606, 607, + 608, 609, 680, 681, 806, 807, 886, 887, + 610, 611, 612, 613, 614, 615, 616, 617, + 618, 619, 690, 691, 816, 817, 896, 897, + 620, 621, 622, 623, 624, 625, 626, 627, + 628, 629, 682, 683, 826, 827, 868, 869, + 630, 631, 632, 633, 634, 635, 636, 637, + 638, 639, 692, 693, 836, 837, 878, 879, + 640, 641, 642, 643, 644, 645, 646, 647, + 648, 649, 684, 685, 846, 847, 688, 689, + 650, 651, 652, 653, 654, 655, 656, 657, + 658, 659, 694, 695, 856, 857, 698, 699, + 660, 661, 662, 663, 664, 665, 666, 667, + 668, 669, 686, 687, 866, 867, 888, 889, + 670, 671, 672, 673, 674, 675, 676, 677, + 678, 679, 696, 697, 876, 877, 898, 899, + 700, 701, 702, 703, 704, 705, 706, 707, + 708, 709, 780, 781, 906, 907, 986, 987, + 710, 711, 712, 713, 714, 715, 716, 717, + 718, 719, 790, 791, 916, 917, 996, 997, + 720, 721, 722, 723, 724, 725, 726, 727, + 728, 729, 782, 783, 926, 927, 968, 969, + 730, 731, 732, 733, 734, 735, 736, 737, + 738, 739, 792, 793, 936, 937, 978, 979, + 740, 741, 742, 743, 744, 745, 746, 747, + 748, 749, 784, 785, 946, 947, 788, 789, + 750, 751, 752, 753, 754, 755, 756, 757, + 758, 759, 794, 795, 956, 957, 798, 799, + 760, 761, 762, 763, 764, 765, 766, 767, + 768, 769, 786, 787, 966, 967, 988, 989, + 770, 771, 772, 773, 774, 775, 776, 777, + 778, 779, 796, 797, 976, 977, 998, 999 +}; + +/* Decimal to DPD encoded 10-bit number table. */ +const unsigned short __dpd_b2dbitint[1000] = { + 0x000, 0x001, 0x002, 0x003, 0x004, + 0x005, 0x006, 0x007, 0x008, 0x009, + 0x010, 0x011, 0x012, 0x013, 0x014, + 0x015, 0x016, 0x017, 0x018, 0x019, + 0x020, 0x021, 0x022, 0x023, 0x024, + 0x025, 0x026, 0x027, 0x028, 0x029, + 0x030, 0x031, 0x032, 0x033, 0x034, + 0x035, 0x036, 0x037, 0x038, 0x039, + 0x040, 0x041, 0x042, 0x043, 0x044, + 0x045, 0x046, 0x047, 0x048, 0x049, + 0x050, 0x051, 0x052, 0x053, 0x054, + 0x055, 0x056, 0x057, 0x058, 0x059, + 0x060, 0x061, 0x062, 0x063, 0x064, + 0x065, 0x066, 0x067, 0x068, 0x069, + 0x070, 0x071, 0x072, 0x073, 0x074, + 0x075, 0x076, 0x077, 0x078, 0x079, + 0x00a, 0x00b, 0x02a, 0x02b, 0x04a, + 0x04b, 0x06a, 0x06b, 0x04e, 0x04f, + 0x01a, 0x01b, 0x03a, 0x03b, 0x05a, + 0x05b, 0x07a, 0x07b, 0x05e, 0x05f, + 0x080, 0x081, 0x082, 0x083, 0x084, + 0x085, 0x086, 0x087, 0x088, 0x089, + 0x090, 0x091, 0x092, 0x093, 0x094, + 0x095, 0x096, 0x097, 0x098, 0x099, + 0x0a0, 0x0a1, 0x0a2, 0x0a3, 0x0a4, + 0x0a5, 0x0a6, 0x0a7, 0x0a8, 0x0a9, + 0x0b0, 0x0b1, 0x0b2, 0x0b3, 0x0b4, + 0x0b5, 0x0b6, 0x0b7, 0x0b8, 0x0b9, + 0x0c0, 0x0c1, 0x0c2, 0x0c3, 0x0c4, + 0x0c5, 0x0c6, 0x0c7, 0x0c8, 0x0c9, + 0x0d0, 0x0d1, 0x0d2, 0x0d3, 0x0d4, + 0x0d5, 0x0d6, 0x0d7, 0x0d8, 0x0d9, + 0x0e0, 0x0e1, 0x0e2, 0x0e3, 0x0e4, + 0x0e5, 0x0e6, 0x0e7, 0x0e8, 0x0e9, + 0x0f0, 0x0f1, 0x0f2, 0x0f3, 0x0f4, + 0x0f5, 0x0f6, 0x0f7, 0x0f8, 0x0f9, + 0x08a, 0x08b, 0x0aa, 0x0ab, 0x0ca, + 0x0cb, 0x0ea, 0x0eb, 0x0ce, 0x0cf, + 0x09a, 0x09b, 0x0ba, 0x0bb, 0x0da, + 0x0db, 0x0fa, 0x0fb, 0x0de, 0x0df, + 0x100, 0x101, 0x102, 0x103, 0x104, + 0x105, 0x106, 0x107, 0x108, 0x109, + 0x110, 0x111, 0x112, 0x113, 0x114, + 0x115, 0x116, 0x117, 0x118, 0x119, + 0x120, 0x121, 0x122, 0x123, 0x124, + 0x125, 0x126, 0x127, 0x128, 0x129, + 0x130, 0x131, 0x132, 0x133, 0x134, + 0x135, 0x136, 0x137, 0x138, 0x139, + 0x140, 0x141, 0x142, 0x143, 0x144, + 0x145, 0x146, 0x147, 0x148, 0x149, + 0x150, 0x151, 0x152, 0x153, 0x154, + 0x155, 0x156, 0x157, 0x158, 0x159, + 0x160, 0x161, 0x162, 0x163, 0x164, + 0x165, 0x166, 0x167, 0x168, 0x169, + 0x170, 0x171, 0x172, 0x173, 0x174, + 0x175, 0x176, 0x177, 0x178, 0x179, + 0x10a, 0x10b, 0x12a, 0x12b, 0x14a, + 0x14b, 0x16a, 0x16b, 0x14e, 0x14f, + 0x11a, 0x11b, 0x13a, 0x13b, 0x15a, + 0x15b, 0x17a, 0x17b, 0x15e, 0x15f, + 0x180, 0x181, 0x182, 0x183, 0x184, + 0x185, 0x186, 0x187, 0x188, 0x189, + 0x190, 0x191, 0x192, 0x193, 0x194, + 0x195, 0x196, 0x197, 0x198, 0x199, + 0x1a0, 0x1a1, 0x1a2, 0x1a3, 0x1a4, + 0x1a5, 0x1a6, 0x1a7, 0x1a8, 0x1a9, + 0x1b0, 0x1b1, 0x1b2, 0x1b3, 0x1b4, + 0x1b5, 0x1b6, 0x1b7, 0x1b8, 0x1b9, + 0x1c0, 0x1c1, 0x1c2, 0x1c3, 0x1c4, + 0x1c5, 0x1c6, 0x1c7, 0x1c8, 0x1c9, + 0x1d0, 0x1d1, 0x1d2, 0x1d3, 0x1d4, + 0x1d5, 0x1d6, 0x1d7, 0x1d8, 0x1d9, + 0x1e0, 0x1e1, 0x1e2, 0x1e3, 0x1e4, + 0x1e5, 0x1e6, 0x1e7, 0x1e8, 0x1e9, + 0x1f0, 0x1f1, 0x1f2, 0x1f3, 0x1f4, + 0x1f5, 0x1f6, 0x1f7, 0x1f8, 0x1f9, + 0x18a, 0x18b, 0x1aa, 0x1ab, 0x1ca, + 0x1cb, 0x1ea, 0x1eb, 0x1ce, 0x1cf, + 0x19a, 0x19b, 0x1ba, 0x1bb, 0x1da, + 0x1db, 0x1fa, 0x1fb, 0x1de, 0x1df, + 0x200, 0x201, 0x202, 0x203, 0x204, + 0x205, 0x206, 0x207, 0x208, 0x209, + 0x210, 0x211, 0x212, 0x213, 0x214, + 0x215, 0x216, 0x217, 0x218, 0x219, + 0x220, 0x221, 0x222, 0x223, 0x224, + 0x225, 0x226, 0x227, 0x228, 0x229, + 0x230, 0x231, 0x232, 0x233, 0x234, + 0x235, 0x236, 0x237, 0x238, 0x239, + 0x240, 0x241, 0x242, 0x243, 0x244, + 0x245, 0x246, 0x247, 0x248, 0x249, + 0x250, 0x251, 0x252, 0x253, 0x254, + 0x255, 0x256, 0x257, 0x258, 0x259, + 0x260, 0x261, 0x262, 0x263, 0x264, + 0x265, 0x266, 0x267, 0x268, 0x269, + 0x270, 0x271, 0x272, 0x273, 0x274, + 0x275, 0x276, 0x277, 0x278, 0x279, + 0x20a, 0x20b, 0x22a, 0x22b, 0x24a, + 0x24b, 0x26a, 0x26b, 0x24e, 0x24f, + 0x21a, 0x21b, 0x23a, 0x23b, 0x25a, + 0x25b, 0x27a, 0x27b, 0x25e, 0x25f, + 0x280, 0x281, 0x282, 0x283, 0x284, + 0x285, 0x286, 0x287, 0x288, 0x289, + 0x290, 0x291, 0x292, 0x293, 0x294, + 0x295, 0x296, 0x297, 0x298, 0x299, + 0x2a0, 0x2a1, 0x2a2, 0x2a3, 0x2a4, + 0x2a5, 0x2a6, 0x2a7, 0x2a8, 0x2a9, + 0x2b0, 0x2b1, 0x2b2, 0x2b3, 0x2b4, + 0x2b5, 0x2b6, 0x2b7, 0x2b8, 0x2b9, + 0x2c0, 0x2c1, 0x2c2, 0x2c3, 0x2c4, + 0x2c5, 0x2c6, 0x2c7, 0x2c8, 0x2c9, + 0x2d0, 0x2d1, 0x2d2, 0x2d3, 0x2d4, + 0x2d5, 0x2d6, 0x2d7, 0x2d8, 0x2d9, + 0x2e0, 0x2e1, 0x2e2, 0x2e3, 0x2e4, + 0x2e5, 0x2e6, 0x2e7, 0x2e8, 0x2e9, + 0x2f0, 0x2f1, 0x2f2, 0x2f3, 0x2f4, + 0x2f5, 0x2f6, 0x2f7, 0x2f8, 0x2f9, + 0x28a, 0x28b, 0x2aa, 0x2ab, 0x2ca, + 0x2cb, 0x2ea, 0x2eb, 0x2ce, 0x2cf, + 0x29a, 0x29b, 0x2ba, 0x2bb, 0x2da, + 0x2db, 0x2fa, 0x2fb, 0x2de, 0x2df, + 0x300, 0x301, 0x302, 0x303, 0x304, + 0x305, 0x306, 0x307, 0x308, 0x309, + 0x310, 0x311, 0x312, 0x313, 0x314, + 0x315, 0x316, 0x317, 0x318, 0x319, + 0x320, 0x321, 0x322, 0x323, 0x324, + 0x325, 0x326, 0x327, 0x328, 0x329, + 0x330, 0x331, 0x332, 0x333, 0x334, + 0x335, 0x336, 0x337, 0x338, 0x339, + 0x340, 0x341, 0x342, 0x343, 0x344, + 0x345, 0x346, 0x347, 0x348, 0x349, + 0x350, 0x351, 0x352, 0x353, 0x354, + 0x355, 0x356, 0x357, 0x358, 0x359, + 0x360, 0x361, 0x362, 0x363, 0x364, + 0x365, 0x366, 0x367, 0x368, 0x369, + 0x370, 0x371, 0x372, 0x373, 0x374, + 0x375, 0x376, 0x377, 0x378, 0x379, + 0x30a, 0x30b, 0x32a, 0x32b, 0x34a, + 0x34b, 0x36a, 0x36b, 0x34e, 0x34f, + 0x31a, 0x31b, 0x33a, 0x33b, 0x35a, + 0x35b, 0x37a, 0x37b, 0x35e, 0x35f, + 0x380, 0x381, 0x382, 0x383, 0x384, + 0x385, 0x386, 0x387, 0x388, 0x389, + 0x390, 0x391, 0x392, 0x393, 0x394, + 0x395, 0x396, 0x397, 0x398, 0x399, + 0x3a0, 0x3a1, 0x3a2, 0x3a3, 0x3a4, + 0x3a5, 0x3a6, 0x3a7, 0x3a8, 0x3a9, + 0x3b0, 0x3b1, 0x3b2, 0x3b3, 0x3b4, + 0x3b5, 0x3b6, 0x3b7, 0x3b8, 0x3b9, + 0x3c0, 0x3c1, 0x3c2, 0x3c3, 0x3c4, + 0x3c5, 0x3c6, 0x3c7, 0x3c8, 0x3c9, + 0x3d0, 0x3d1, 0x3d2, 0x3d3, 0x3d4, + 0x3d5, 0x3d6, 0x3d7, 0x3d8, 0x3d9, + 0x3e0, 0x3e1, 0x3e2, 0x3e3, 0x3e4, + 0x3e5, 0x3e6, 0x3e7, 0x3e8, 0x3e9, + 0x3f0, 0x3f1, 0x3f2, 0x3f3, 0x3f4, + 0x3f5, 0x3f6, 0x3f7, 0x3f8, 0x3f9, + 0x38a, 0x38b, 0x3aa, 0x3ab, 0x3ca, + 0x3cb, 0x3ea, 0x3eb, 0x3ce, 0x3cf, + 0x39a, 0x39b, 0x3ba, 0x3bb, 0x3da, + 0x3db, 0x3fa, 0x3fb, 0x3de, 0x3df, + 0x00c, 0x00d, 0x10c, 0x10d, 0x20c, + 0x20d, 0x30c, 0x30d, 0x02e, 0x02f, + 0x01c, 0x01d, 0x11c, 0x11d, 0x21c, + 0x21d, 0x31c, 0x31d, 0x03e, 0x03f, + 0x02c, 0x02d, 0x12c, 0x12d, 0x22c, + 0x22d, 0x32c, 0x32d, 0x12e, 0x12f, + 0x03c, 0x03d, 0x13c, 0x13d, 0x23c, + 0x23d, 0x33c, 0x33d, 0x13e, 0x13f, + 0x04c, 0x04d, 0x14c, 0x14d, 0x24c, + 0x24d, 0x34c, 0x34d, 0x22e, 0x22f, + 0x05c, 0x05d, 0x15c, 0x15d, 0x25c, + 0x25d, 0x35c, 0x35d, 0x23e, 0x23f, + 0x06c, 0x06d, 0x16c, 0x16d, 0x26c, + 0x26d, 0x36c, 0x36d, 0x32e, 0x32f, + 0x07c, 0x07d, 0x17c, 0x17d, 0x27c, + 0x27d, 0x37c, 0x37d, 0x33e, 0x33f, + 0x00e, 0x00f, 0x10e, 0x10f, 0x20e, + 0x20f, 0x30e, 0x30f, 0x06e, 0x06f, + 0x01e, 0x01f, 0x11e, 0x11f, 0x21e, + 0x21f, 0x31e, 0x31f, 0x07e, 0x07f, + 0x08c, 0x08d, 0x18c, 0x18d, 0x28c, + 0x28d, 0x38c, 0x38d, 0x0ae, 0x0af, + 0x09c, 0x09d, 0x19c, 0x19d, 0x29c, + 0x29d, 0x39c, 0x39d, 0x0be, 0x0bf, + 0x0ac, 0x0ad, 0x1ac, 0x1ad, 0x2ac, + 0x2ad, 0x3ac, 0x3ad, 0x1ae, 0x1af, + 0x0bc, 0x0bd, 0x1bc, 0x1bd, 0x2bc, + 0x2bd, 0x3bc, 0x3bd, 0x1be, 0x1bf, + 0x0cc, 0x0cd, 0x1cc, 0x1cd, 0x2cc, + 0x2cd, 0x3cc, 0x3cd, 0x2ae, 0x2af, + 0x0dc, 0x0dd, 0x1dc, 0x1dd, 0x2dc, + 0x2dd, 0x3dc, 0x3dd, 0x2be, 0x2bf, + 0x0ec, 0x0ed, 0x1ec, 0x1ed, 0x2ec, + 0x2ed, 0x3ec, 0x3ed, 0x3ae, 0x3af, + 0x0fc, 0x0fd, 0x1fc, 0x1fd, 0x2fc, + 0x2fd, 0x3fc, 0x3fd, 0x3be, 0x3bf, + 0x08e, 0x08f, 0x18e, 0x18f, 0x28e, + 0x28f, 0x38e, 0x38f, 0x0ee, 0x0ef, + 0x09e, 0x09f, 0x19e, 0x19f, 0x29e, + 0x29f, 0x39e, 0x39f, 0x0fe, 0x0ff +}; +#endif |