1/* Soft-FP definitions for TI PRU. 2 Copyright (C) 2010-2020 Free Software Foundation, Inc. 3 Based on C6X soft-fp header. 4 5 This files 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 In addition to the permissions in the GNU Lesser General Public 11 License, the Free Software Foundation gives you unlimited 12 permission to link the compiled version of this file into 13 combinations with other programs, and to distribute those 14 combinations without any restriction coming from the use of this 15 file. (The Lesser General Public License restrictions do apply in 16 other respects; for example, they cover modification of the file, 17 and distribution when not linked into a combine executable.) 18 19 This file is distributed in the hope that it will be useful, 20 but WITHOUT ANY WARRANTY; without even the implied warranty of 21 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 22 Lesser General Public License for more details. 23 24 You should have received a copy of the GNU Lesser General Public 25 License along with GCC; see the file COPYING.LIB. If not see 26 <http://www.gnu.org/licenses/>. */ 27 28#define _FP_W_TYPE_SIZE 32 29#define _FP_W_TYPE unsigned long 30#define _FP_WS_TYPE signed long 31#define _FP_I_TYPE long 32 33#define _FP_MUL_MEAT_S(R,X,Y) \ 34 _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm) 35#define _FP_MUL_MEAT_D(R,X,Y) \ 36 _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm) 37#define _FP_MUL_MEAT_Q(R,X,Y) \ 38 _FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm) 39 40#define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_loop(S,R,X,Y) 41#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y) 42#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_4_udiv(Q,R,X,Y) 43 44#define _FP_NANFRAC_H ((_FP_QNANBIT_H << 1) - 1) 45#define _FP_NANFRAC_S ((_FP_QNANBIT_S << 1) - 1) 46#define _FP_NANFRAC_D ((_FP_QNANBIT_D << 1) - 1), -1 47#define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 1) - 1), -1, -1, -1 48#define _FP_NANSIGN_H 0 49#define _FP_NANSIGN_S 0 50#define _FP_NANSIGN_D 0 51#define _FP_NANSIGN_Q 0 52 53#define _FP_KEEPNANFRACP 1 54#define _FP_QNANNEGATEDP 0 55 56/* Someone please check this. */ 57#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \ 58 do { \ 59 if ((_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs) \ 60 && !(_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs)) \ 61 { \ 62 R##_s = Y##_s; \ 63 _FP_FRAC_COPY_##wc(R,Y); \ 64 } \ 65 else \ 66 { \ 67 R##_s = X##_s; \ 68 _FP_FRAC_COPY_##wc(R,X); \ 69 } \ 70 R##_c = FP_CLS_NAN; \ 71 } while (0) 72 73#define __LITTLE_ENDIAN 1234 74#define __BIG_ENDIAN 4321 75 76#if defined _BIG_ENDIAN 77# define __BYTE_ORDER __BIG_ENDIAN 78#else 79# define __BYTE_ORDER __LITTLE_ENDIAN 80#endif 81 82/* Not checked. */ 83#define _FP_TININESS_AFTER_ROUNDING 0 84 85 86/* Define ALIASNAME as a strong alias for NAME. */ 87# define strong_alias(name, aliasname) _strong_alias(name, aliasname) 88# define _strong_alias(name, aliasname) \ 89 extern __typeof (name) aliasname __attribute__ ((alias (#name))); 90 91/* Rename helper functions to the names specified in the PRU ELF ABI. */ 92#define __fixdfsi __pruabi_fixdi 93#define __fixsfsi __pruabi_fixfi 94#define __floatsidf __pruabi_fltid 95#define __floatunsidf __pruabi_fltud 96#define __floatsisf __pruabi_fltif 97#define __floatunsisf __pruabi_fltuf 98#define __truncdfsf2 __pruabi_cvtdf 99#define __extendsfdf2 __pruabi_cvtfd 100#define __adddf3 __pruabi_addd 101#define __subdf3 __pruabi_subd 102#define __muldf3 __pruabi_mpyd 103#define __divdf3 __pruabi_divd 104#define __negdf2 __pruabi_negd 105#define __absdf2 __pruabi_absd 106#define __addsf3 __pruabi_addf 107#define __subsf3 __pruabi_subf 108#define __mulsf3 __pruabi_mpyf 109#define __divsf3 __pruabi_divf 110#define __negsf2 __pruabi_negf 111#define __abssf2 __pruabi_absf 112#define __lesf2 __pruabi_cmpf 113#define __ledf2 __pruabi_cmpd 114#define __ltsf2 __gnu_ltsf2 115#define __ltdf2 __gnu_ltdf2 116#define __gesf2 __gnu_gesf2 117#define __gedf2 __gnu_gedf2 118#define __gtsf2 __gnu_gtsf2 119#define __gtdf2 __gnu_gtdf2 120#define __eqsf2 __gnu_eqsf2 121#define __eqdf2 __gnu_eqdf2 122#define __nesf2 __pruabi_neqf 123#define __nedf2 __pruabi_neqd 124#define __unordsf2 __pruabi_unordf 125#define __unorddf2 __pruabi_unordd 126