Changes in uspace/lib/softfloat/comparison.c [2416085:c0c38c7c] in mainline
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uspace/lib/softfloat/comparison.c
r2416085 rc0c38c7c 34 34 */ 35 35 36 #include "sftypes.h"37 36 #include "comparison.h" 38 37 #include "common.h" … … 439 438 } 440 439 440 #ifdef float32_t 441 442 int __gtsf2(float32_t a, float32_t b) 443 { 444 float32_u ua; 445 ua.val = a; 446 447 float32_u ub; 448 ub.val = b; 449 450 if ((is_float32_nan(ua.data)) || (is_float32_nan(ub.data))) { 451 // TODO: sigNaNs 452 return -1; 453 } 454 455 if (is_float32_gt(ua.data, ub.data)) 456 return 1; 457 458 return 0; 459 } 460 461 int __gesf2(float32_t a, float32_t b) 462 { 463 float32_u ua; 464 ua.val = a; 465 466 float32_u ub; 467 ub.val = b; 468 469 if ((is_float32_nan(ua.data)) || (is_float32_nan(ub.data))) { 470 // TODO: sigNaNs 471 return -1; 472 } 473 474 if (is_float32_eq(ua.data, ub.data)) 475 return 0; 476 477 if (is_float32_gt(ua.data, ub.data)) 478 return 1; 479 480 return -1; 481 } 482 483 int __ltsf2(float32_t a, float32_t b) 484 { 485 float32_u ua; 486 ua.val = a; 487 488 float32_u ub; 489 ub.val = b; 490 491 if ((is_float32_nan(ua.data)) || (is_float32_nan(ub.data))) { 492 // TODO: sigNaNs 493 return 1; 494 } 495 496 if (is_float32_lt(ua.data, ub.data)) 497 return -1; 498 499 return 0; 500 } 501 502 int __lesf2(float32_t a, float32_t b) 503 { 504 float32_u ua; 505 ua.val = a; 506 507 float32_u ub; 508 ub.val = b; 509 510 if ((is_float32_nan(ua.data)) || (is_float32_nan(ub.data))) { 511 // TODO: sigNaNs 512 return 1; 513 } 514 515 if (is_float32_eq(ua.data, ub.data)) 516 return 0; 517 518 if (is_float32_lt(ua.data, ub.data)) 519 return -1; 520 521 return 1; 522 } 523 524 int __eqsf2(float32_t a, float32_t b) 525 { 526 float32_u ua; 527 ua.val = a; 528 529 float32_u ub; 530 ub.val = b; 531 532 if ((is_float32_nan(ua.data)) || (is_float32_nan(ub.data))) { 533 // TODO: sigNaNs 534 return 1; 535 } 536 537 return is_float32_eq(ua.data, ub.data) - 1; 538 } 539 540 int __nesf2(float32_t a, float32_t b) 541 { 542 /* Strange, but according to GCC documentation */ 543 return __eqsf2(a, b); 544 } 545 546 int __cmpsf2(float32_t a, float32_t b) 547 { 548 float32_u ua; 549 ua.val = a; 550 551 float32_u ub; 552 ub.val = b; 553 554 if ((is_float32_nan(ua.data)) || (is_float32_nan(ub.data))) { 555 /* No special constant for unordered - maybe signaled? */ 556 return 1; 557 } 558 559 if (is_float32_eq(ua.data, ub.data)) 560 return 0; 561 562 if (is_float32_lt(ua.data, ub.data)) 563 return -1; 564 565 return 1; 566 } 567 568 int __unordsf2(float32_t a, float32_t b) 569 { 570 float32_u ua; 571 ua.val = a; 572 573 float32_u ub; 574 ub.val = b; 575 576 return ((is_float32_nan(ua.data)) || (is_float32_nan(ub.data))); 577 } 578 579 int __aeabi_fcmpgt(float32_t a, float32_t b) 580 { 581 float32_u ua; 582 ua.val = a; 583 584 float32_u ub; 585 ub.val = b; 586 587 if ((is_float32_nan(ua.data)) || (is_float32_nan(ub.data))) { 588 // TODO: sigNaNs 589 return -1; 590 } 591 592 if (is_float32_gt(ua.data, ub.data)) 593 return 1; 594 595 return 0; 596 } 597 598 int __aeabi_fcmplt(float32_t a, float32_t b) 599 { 600 float32_u ua; 601 ua.val = a; 602 603 float32_u ub; 604 ub.val = b; 605 606 if ((is_float32_nan(ua.data)) || (is_float32_nan(ub.data))) { 607 // TODO: sigNaNs 608 return 1; 609 } 610 611 if (is_float32_lt(ua.data, ub.data)) 612 return -1; 613 614 return 0; 615 } 616 617 int __aeabi_fcmpge(float32_t a, float32_t b) 618 { 619 float32_u ua; 620 ua.val = a; 621 622 float32_u ub; 623 ub.val = b; 624 625 if ((is_float32_nan(ua.data)) || (is_float32_nan(ub.data))) { 626 // TODO: sigNaNs 627 return -1; 628 } 629 630 if (is_float32_eq(ua.data, ub.data)) 631 return 0; 632 633 if (is_float32_gt(ua.data, ub.data)) 634 return 1; 635 636 return -1; 637 } 638 639 int __aeabi_fcmpeq(float32_t a, float32_t b) 640 { 641 float32_u ua; 642 ua.val = a; 643 644 float32_u ub; 645 ub.val = b; 646 647 if ((is_float32_nan(ua.data)) || (is_float32_nan(ub.data))) { 648 // TODO: sigNaNs 649 return 1; 650 } 651 652 return is_float32_eq(ua.data, ub.data) - 1; 653 } 654 655 #endif 656 657 #ifdef float64_t 658 659 int __gtdf2(float64_t a, float64_t b) 660 { 661 float64_u ua; 662 ua.val = a; 663 664 float64_u ub; 665 ub.val = b; 666 667 if ((is_float64_nan(ua.data)) || (is_float64_nan(ub.data))) { 668 // TODO: sigNaNs 669 return -1; 670 } 671 672 if (is_float64_gt(ua.data, ub.data)) 673 return 1; 674 675 return 0; 676 } 677 678 int __gedf2(float64_t a, float64_t b) 679 { 680 float64_u ua; 681 ua.val = a; 682 683 float64_u ub; 684 ub.val = b; 685 686 if ((is_float64_nan(ua.data)) || (is_float64_nan(ub.data))) { 687 // TODO: sigNaNs 688 return -1; 689 } 690 691 if (is_float64_eq(ua.data, ub.data)) 692 return 0; 693 694 if (is_float64_gt(ua.data, ub.data)) 695 return 1; 696 697 return -1; 698 } 699 700 int __ltdf2(float64_t a, float64_t b) 701 { 702 float64_u ua; 703 ua.val = a; 704 705 float64_u ub; 706 ub.val = b; 707 708 if ((is_float64_nan(ua.data)) || (is_float64_nan(ub.data))) { 709 // TODO: sigNaNs 710 return 1; 711 } 712 713 if (is_float64_lt(ua.data, ub.data)) 714 return -1; 715 716 return 0; 717 } 718 719 int __ledf2(float64_t a, float64_t b) 720 { 721 float64_u ua; 722 ua.val = a; 723 724 float64_u ub; 725 ub.val = b; 726 727 if ((is_float64_nan(ua.data)) || (is_float64_nan(ub.data))) { 728 // TODO: sigNaNs 729 return 1; 730 } 731 732 if (is_float64_eq(ua.data, ub.data)) 733 return 0; 734 735 if (is_float64_lt(ua.data, ub.data)) 736 return -1; 737 738 return 1; 739 } 740 741 int __eqdf2(float64_t a, float64_t b) 742 { 743 float64_u ua; 744 ua.val = a; 745 746 float64_u ub; 747 ub.val = b; 748 749 if ((is_float64_nan(ua.data)) || (is_float64_nan(ub.data))) { 750 // TODO: sigNaNs 751 return 1; 752 } 753 754 return is_float64_eq(ua.data, ub.data) - 1; 755 } 756 757 int __nedf2(float64_t a, float64_t b) 758 { 759 /* Strange, but according to GCC documentation */ 760 return __eqdf2(a, b); 761 } 762 763 int __cmpdf2(float64_t a, float64_t b) 764 { 765 float64_u ua; 766 ua.val = a; 767 768 float64_u ub; 769 ub.val = b; 770 771 if ((is_float64_nan(ua.data)) || (is_float64_nan(ub.data))) { 772 /* No special constant for unordered - maybe signaled? */ 773 return 1; 774 } 775 776 if (is_float64_eq(ua.data, ub.data)) 777 return 0; 778 779 if (is_float64_lt(ua.data, ub.data)) 780 return -1; 781 782 return 1; 783 } 784 785 int __unorddf2(float64_t a, float64_t b) 786 { 787 float64_u ua; 788 ua.val = a; 789 790 float64_u ub; 791 ub.val = b; 792 793 return ((is_float64_nan(ua.data)) || (is_float64_nan(ub.data))); 794 } 795 796 int __aeabi_dcmplt(float64_t a, float64_t b) 797 { 798 float64_u ua; 799 ua.val = a; 800 801 float64_u ub; 802 ub.val = b; 803 804 if ((is_float64_nan(ua.data)) || (is_float64_nan(ub.data))) { 805 // TODO: sigNaNs 806 return 1; 807 } 808 809 if (is_float64_lt(ua.data, ub.data)) 810 return -1; 811 812 return 0; 813 } 814 815 int __aeabi_dcmpeq(float64_t a, float64_t b) 816 { 817 float64_u ua; 818 ua.val = a; 819 820 float64_u ub; 821 ub.val = b; 822 823 if ((is_float64_nan(ua.data)) || (is_float64_nan(ub.data))) { 824 // TODO: sigNaNs 825 return 1; 826 } 827 828 return is_float64_eq(ua.data, ub.data) - 1; 829 } 830 831 int __aeabi_dcmpgt(float64_t a, float64_t b) 832 { 833 float64_u ua; 834 ua.val = a; 835 836 float64_u ub; 837 ub.val = b; 838 839 if ((is_float64_nan(ua.data)) || (is_float64_nan(ub.data))) { 840 // TODO: sigNaNs 841 return -1; 842 } 843 844 if (is_float64_gt(ua.data, ub.data)) 845 return 1; 846 847 return 0; 848 } 849 850 int __aeabi_dcmpge(float64_t a, float64_t b) 851 { 852 float64_u ua; 853 ua.val = a; 854 855 float64_u ub; 856 ub.val = b; 857 858 if ((is_float64_nan(ua.data)) || (is_float64_nan(ub.data))) { 859 // TODO: sigNaNs 860 return -1; 861 } 862 863 if (is_float64_eq(ua.data, ub.data)) 864 return 0; 865 866 if (is_float64_gt(ua.data, ub.data)) 867 return 1; 868 869 return -1; 870 } 871 872 int __aeabi_dcmple(float64_t a, float64_t b) 873 { 874 float64_u ua; 875 ua.val = a; 876 877 float64_u ub; 878 ub.val = b; 879 880 if ((is_float64_nan(ua.data)) || (is_float64_nan(ub.data))) { 881 // TODO: sigNaNs 882 return 1; 883 } 884 885 if (is_float64_eq(ua.data, ub.data)) 886 return 0; 887 888 if (is_float64_lt(ua.data, ub.data)) 889 return -1; 890 891 return 1; 892 } 893 894 #endif 895 896 #ifdef float128_t 897 898 int __gttf2(float128_t a, float128_t b) 899 { 900 float128_u ua; 901 ua.val = a; 902 903 float128_u ub; 904 ub.val = b; 905 906 if ((is_float128_nan(ua.data)) || (is_float128_nan(ub.data))) { 907 // TODO: sigNaNs 908 return -1; 909 } 910 911 if (is_float128_gt(ua.data, ub.data)) 912 return 1; 913 914 return 0; 915 } 916 917 int __getf2(float128_t a, float128_t b) 918 { 919 float128_u ua; 920 ua.val = a; 921 922 float128_u ub; 923 ub.val = b; 924 925 if ((is_float128_nan(ua.data)) || (is_float128_nan(ub.data))) { 926 // TODO: sigNaNs 927 return -1; 928 } 929 930 if (is_float128_eq(ua.data, ub.data)) 931 return 0; 932 933 if (is_float128_gt(ua.data, ub.data)) 934 return 1; 935 936 return -1; 937 } 938 939 int __lttf2(float128_t a, float128_t b) 940 { 941 float128_u ua; 942 ua.val = a; 943 944 float128_u ub; 945 ub.val = b; 946 947 if ((is_float128_nan(ua.data)) || (is_float128_nan(ub.data))) { 948 // TODO: sigNaNs 949 return 1; 950 } 951 952 if (is_float128_lt(ua.data, ub.data)) 953 return -1; 954 955 return 0; 956 } 957 958 int __letf2(float128_t a, float128_t b) 959 { 960 float128_u ua; 961 ua.val = a; 962 963 float128_u ub; 964 ub.val = b; 965 966 if ((is_float128_nan(ua.data)) || (is_float128_nan(ub.data))) { 967 // TODO: sigNaNs 968 return 1; 969 } 970 971 if (is_float128_eq(ua.data, ub.data)) 972 return 0; 973 974 if (is_float128_lt(ua.data, ub.data)) 975 return -1; 976 977 return 1; 978 } 979 980 int __eqtf2(float128_t a, float128_t b) 981 { 982 float128_u ua; 983 ua.val = a; 984 985 float128_u ub; 986 ub.val = b; 987 988 if ((is_float128_nan(ua.data)) || (is_float128_nan(ub.data))) { 989 // TODO: sigNaNs 990 return 1; 991 } 992 993 return is_float128_eq(ua.data, ub.data) - 1; 994 } 995 996 int __netf2(float128_t a, float128_t b) 997 { 998 /* Strange, but according to GCC documentation */ 999 return __eqtf2(a, b); 1000 } 1001 1002 int __cmptf2(float128_t a, float128_t b) 1003 { 1004 float128_u ua; 1005 ua.val = a; 1006 1007 float128_u ub; 1008 ub.val = b; 1009 1010 if ((is_float128_nan(ua.data)) || (is_float128_nan(ub.data))) { 1011 /* No special constant for unordered - maybe signaled? */ 1012 return 1; 1013 } 1014 1015 if (is_float128_eq(ua.data, ub.data)) 1016 return 0; 1017 1018 if (is_float128_lt(ua.data, ub.data)) 1019 return -1; 1020 1021 return 1; 1022 } 1023 1024 int __unordtf2(float128_t a, float128_t b) 1025 { 1026 float128_u ua; 1027 ua.val = a; 1028 1029 float128_u ub; 1030 ub.val = b; 1031 1032 return ((is_float128_nan(ua.data)) || (is_float128_nan(ub.data))); 1033 } 1034 1035 int _Qp_cmp(float128_t *a, float128_t *b) 1036 { 1037 float128_u ua; 1038 ua.val = *a; 1039 1040 float128_u ub; 1041 ub.val = *b; 1042 1043 if ((is_float128_nan(ua.data)) || (is_float128_nan(ub.data))) 1044 return 3; 1045 1046 if (is_float128_eq(ua.data, ub.data)) 1047 return 0; 1048 1049 if (is_float128_lt(ua.data, ub.data)) 1050 return 1; 1051 1052 return 2; 1053 } 1054 1055 int _Qp_cmpe(float128_t *a, float128_t *b) 1056 { 1057 /* Strange, but according to SPARC Compliance Definition */ 1058 return _Qp_cmp(a, b); 1059 } 1060 1061 int _Qp_fgt(float128_t *a, float128_t *b) 1062 { 1063 float128_u ua; 1064 ua.val = *a; 1065 1066 float128_u ub; 1067 ub.val = *b; 1068 1069 if ((is_float128_nan(ua.data)) || (is_float128_nan(ub.data))) 1070 return 0; 1071 1072 return is_float128_gt(ua.data, ub.data); 1073 } 1074 1075 int _Qp_fge(float128_t *a, float128_t *b) 1076 { 1077 float128_u ua; 1078 ua.val = *a; 1079 1080 float128_u ub; 1081 ub.val = *b; 1082 1083 if ((is_float128_nan(ua.data)) || (is_float128_nan(ub.data))) 1084 return 0; 1085 1086 return is_float128_eq(ua.data, ub.data) || 1087 is_float128_gt(ua.data, ub.data); 1088 } 1089 1090 int _Qp_flt(float128_t *a, float128_t *b) 1091 { 1092 float128_u ua; 1093 ua.val = *a; 1094 1095 float128_u ub; 1096 ub.val = *b; 1097 1098 if ((is_float128_nan(ua.data)) || (is_float128_nan(ub.data))) 1099 return 0; 1100 1101 return is_float128_lt(ua.data, ub.data); 1102 } 1103 1104 int _Qp_fle(float128_t *a, float128_t *b) 1105 { 1106 float128_u ua; 1107 ua.val = *a; 1108 1109 float128_u ub; 1110 ub.val = *b; 1111 1112 if ((is_float128_nan(ua.data)) || (is_float128_nan(ub.data))) 1113 return 0; 1114 1115 return is_float128_eq(ua.data, ub.data) || 1116 is_float128_lt(ua.data, ub.data); 1117 } 1118 1119 int _Qp_feq(float128_t *a, float128_t *b) 1120 { 1121 float128_u ua; 1122 ua.val = *a; 1123 1124 float128_u ub; 1125 ub.val = *b; 1126 1127 if ((is_float128_nan(ua.data)) || (is_float128_nan(ub.data))) 1128 return 0; 1129 1130 return is_float128_eq(ua.data, ub.data); 1131 } 1132 1133 int _Qp_fne(float128_t *a, float128_t *b) 1134 { 1135 float128_u ua; 1136 ua.val = *a; 1137 1138 float128_u ub; 1139 ub.val = *b; 1140 1141 if ((is_float128_nan(ua.data)) || (is_float128_nan(ub.data))) 1142 return 0; 1143 1144 return !is_float128_eq(ua.data, ub.data); 1145 } 1146 1147 #endif 1148 441 1149 /** @} 442 1150 */
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