xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* Machine-dependent software floating-point definitions, tile version. |
| 2 | Copyright (C) 2013-2016 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library. If not, see |
| 17 | <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include <bits/wordsize.h> |
| 20 | |
| 21 | #define _FP_W_TYPE_SIZE __WORDSIZE |
| 22 | #define _FP_W_TYPE unsigned long |
| 23 | #define _FP_WS_TYPE signed long |
| 24 | #define _FP_I_TYPE long |
| 25 | |
| 26 | #if _FP_W_TYPE_SIZE == 64 |
| 27 | |
| 28 | #define _FP_MUL_MEAT_S(R,X,Y) \ |
| 29 | _FP_MUL_MEAT_1_imm(_FP_WFRACBITS_S,R,X,Y) |
| 30 | #define _FP_MUL_MEAT_D(R,X,Y) \ |
| 31 | _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm) |
| 32 | #define _FP_MUL_MEAT_Q(R,X,Y) \ |
| 33 | _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm) |
| 34 | |
| 35 | #define _FP_MUL_MEAT_DW_S(R,X,Y) \ |
| 36 | _FP_MUL_MEAT_DW_1_imm(_FP_WFRACBITS_S,R,X,Y) |
| 37 | #define _FP_MUL_MEAT_DW_D(R,X,Y) \ |
| 38 | _FP_MUL_MEAT_DW_1_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm) |
| 39 | #define _FP_MUL_MEAT_DW_Q(R,X,Y) \ |
| 40 | _FP_MUL_MEAT_DW_2_wide_3mul(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm) |
| 41 | |
| 42 | #define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_imm(S,R,X,Y,_FP_DIV_HELP_imm) |
| 43 | #define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_1_udiv_norm(D,R,X,Y) |
| 44 | #define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_2_udiv(Q,R,X,Y) |
| 45 | |
| 46 | #define _FP_NANFRAC_S _FP_QNANBIT_S |
| 47 | #define _FP_NANFRAC_D _FP_QNANBIT_D |
| 48 | #define _FP_NANFRAC_Q _FP_QNANBIT_Q, 0 |
| 49 | |
| 50 | #else /* _FP_W_TYPE_SIZE == 32 */ |
| 51 | |
| 52 | #define _FP_MUL_MEAT_S(R,X,Y) \ |
| 53 | _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm) |
| 54 | #define _FP_MUL_MEAT_D(R,X,Y) \ |
| 55 | _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm) |
| 56 | #define _FP_MUL_MEAT_Q(R,X,Y) \ |
| 57 | _FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm) |
| 58 | |
| 59 | #define _FP_MUL_MEAT_DW_S(R,X,Y) \ |
| 60 | _FP_MUL_MEAT_DW_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm) |
| 61 | #define _FP_MUL_MEAT_DW_D(R,X,Y) \ |
| 62 | _FP_MUL_MEAT_DW_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm) |
| 63 | #define _FP_MUL_MEAT_DW_Q(R,X,Y) \ |
| 64 | _FP_MUL_MEAT_DW_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm) |
| 65 | |
| 66 | #define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_loop(S,R,X,Y) |
| 67 | #define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y) |
| 68 | #define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_4_udiv(Q,R,X,Y) |
| 69 | |
| 70 | #define _FP_NANFRAC_S _FP_QNANBIT_S |
| 71 | #define _FP_NANFRAC_D _FP_QNANBIT_D, 0 |
| 72 | #define _FP_NANFRAC_Q _FP_QNANBIT_Q, 0, 0, 0 |
| 73 | |
| 74 | #endif |
| 75 | |
| 76 | #define _FP_NANSIGN_S 1 |
| 77 | #define _FP_NANSIGN_D 1 |
| 78 | #define _FP_NANSIGN_Q 1 |
| 79 | |
| 80 | #define _FP_KEEPNANFRACP 1 |
| 81 | #define _FP_QNANNEGATEDP 0 |
| 82 | |
| 83 | #define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \ |
| 84 | do { \ |
| 85 | if ((_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs) \ |
| 86 | && !(_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs)) \ |
| 87 | { \ |
| 88 | R##_s = Y##_s; \ |
| 89 | _FP_FRAC_COPY_##wc(R,Y); \ |
| 90 | } \ |
| 91 | else \ |
| 92 | { \ |
| 93 | R##_s = X##_s; \ |
| 94 | _FP_FRAC_COPY_##wc(R,X); \ |
| 95 | } \ |
| 96 | R##_c = FP_CLS_NAN; \ |
| 97 | } while (0) |
| 98 | |
| 99 | #define _FP_TININESS_AFTER_ROUNDING 0 |