1 /* Soft-FP definitions for CRIS. 2 Copyright (C) 2013-2018 Free Software Foundation, Inc. 3 4 This file is part of GCC. 5 6 GCC is free software; you can redistribute it and/or modify it under 7 the terms of the GNU General Public License as published by the Free 8 Software Foundation; either version 3, or (at your option) any later 9 version. 10 11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY 12 WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 for more details. 15 16 Under Section 7 of GPL version 3, you are granted additional 17 permissions described in the GCC Runtime Library Exception, version 18 3.1, as published by the Free Software Foundation. 19 20 You should have received a copy of the GNU General Public License and 21 a copy of the GCC Runtime Library Exception along with this program; 22 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23 <http://www.gnu.org/licenses/>. */ 24 25 #define _FP_W_TYPE_SIZE 32 26 #define _FP_W_TYPE unsigned long 27 #define _FP_WS_TYPE signed long 28 #define _FP_I_TYPE long 29 30 /* The type of the result of a floating point comparison. This must 31 match `__libgcc_cmp_return__' in GCC for the target. */ 32 typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__))); 33 #define CMPtype __gcc_CMPtype 34 35 /* FIXME: none of the *MEAT* macros have actually been benchmarked to be 36 better than any other choice for any CRIS variant. */ 37 38 #define _FP_MUL_MEAT_S(R,X,Y) \ 39 _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm) 40 #define _FP_MUL_MEAT_D(R,X,Y) \ 41 _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm) 42 43 #define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_loop(S,R,X,Y) 44 #define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y) 45 46 #define _FP_NANFRAC_S ((_FP_QNANBIT_S << 1) - 1) 47 #define _FP_NANFRAC_D ((_FP_QNANBIT_D << 1) - 1), -1 48 #define _FP_NANSIGN_S 0 49 #define _FP_NANSIGN_D 0 50 #define _FP_QNANNEGATEDP 0 51 #define _FP_KEEPNANFRACP 1 52 53 /* Someone please check this. */ 54 #define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \ 55 do { \ 56 if ((_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs) \ 57 && !(_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs)) \ 58 { \ 59 R##_s = Y##_s; \ 60 _FP_FRAC_COPY_##wc(R,Y); \ 61 } \ 62 else \ 63 { \ 64 R##_s = X##_s; \ 65 _FP_FRAC_COPY_##wc(R,X); \ 66 } \ 67 R##_c = FP_CLS_NAN; \ 68 } while (0) 69 70 /* Not checked. */ 71 #define _FP_TININESS_AFTER_ROUNDING 0 72 73 #define __LITTLE_ENDIAN 1234 74 #define __BIG_ENDIAN 4321 75 76 # define __BYTE_ORDER __LITTLE_ENDIAN 77 78 /* Define ALIASNAME as a strong alias for NAME. */ 79 # define strong_alias(name, aliasname) _strong_alias(name, aliasname) 80 # define _strong_alias(name, aliasname) \ 81 extern __typeof (name) aliasname __attribute__ ((alias (#name))); 82