1 /* Soft-FP definitions for TI C6X. 2 Copyright (C) 2010-2013 Free Software Foundation, Inc. 3 4 This files is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 In addition to the permissions in the GNU Lesser General Public 10 License, the Free Software Foundation gives you unlimited 11 permission to link the compiled version of this file into 12 combinations with other programs, and to distribute those 13 combinations without any restriction coming from the use of this 14 file. (The Lesser General Public License restrictions do apply in 15 other respects; for example, they cover modification of the file, 16 and distribution when not linked into a combine executable.) 17 18 This file is distributed in the hope that it will be useful, 19 but WITHOUT ANY WARRANTY; without even the implied warranty of 20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 21 Lesser General Public License for more details. 22 23 You should have received a copy of the GNU Lesser General Public 24 License along with GCC; see the file COPYING.LIB. If not see 25 <http://www.gnu.org/licenses/>. */ 26 27 #define _FP_W_TYPE_SIZE 32 28 #define _FP_W_TYPE unsigned long 29 #define _FP_WS_TYPE signed long 30 #define _FP_I_TYPE long 31 32 #define _FP_MUL_MEAT_S(R,X,Y) \ 33 _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm) 34 #define _FP_MUL_MEAT_D(R,X,Y) \ 35 _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm) 36 #define _FP_MUL_MEAT_Q(R,X,Y) \ 37 _FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm) 38 39 #define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_loop(S,R,X,Y) 40 #define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y) 41 #define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_4_udiv(Q,R,X,Y) 42 43 #define _FP_NANFRAC_H ((_FP_QNANBIT_H << 1) - 1) 44 #define _FP_NANFRAC_S ((_FP_QNANBIT_S << 1) - 1) 45 #define _FP_NANFRAC_D ((_FP_QNANBIT_D << 1) - 1), -1 46 #define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 1) - 1), -1, -1, -1 47 #define _FP_NANSIGN_H 0 48 #define _FP_NANSIGN_S 0 49 #define _FP_NANSIGN_D 0 50 #define _FP_NANSIGN_Q 0 51 52 #define _FP_KEEPNANFRACP 1 53 54 /* Someone please check this. */ 55 #define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \ 56 do { \ 57 if ((_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs) \ 58 && !(_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs)) \ 59 { \ 60 R##_s = Y##_s; \ 61 _FP_FRAC_COPY_##wc(R,Y); \ 62 } \ 63 else \ 64 { \ 65 R##_s = X##_s; \ 66 _FP_FRAC_COPY_##wc(R,X); \ 67 } \ 68 R##_c = FP_CLS_NAN; \ 69 } while (0) 70 71 #define __LITTLE_ENDIAN 1234 72 #define __BIG_ENDIAN 4321 73 74 #if defined _BIG_ENDIAN 75 # define __BYTE_ORDER __BIG_ENDIAN 76 #else 77 # define __BYTE_ORDER __LITTLE_ENDIAN 78 #endif 79 80 81 /* Define ALIASNAME as a strong alias for NAME. */ 82 # define strong_alias(name, aliasname) _strong_alias(name, aliasname) 83 # define _strong_alias(name, aliasname) \ 84 extern __typeof (name) aliasname __attribute__ ((alias (#name))); 85 86 /* Rename helper functions to the names specified in the C6000 ELF ABI. */ 87 #define __fixdfsi __c6xabi_fixdi 88 #define __fixsfsi __c6xabi_fixfi 89 #define __floatsidf __c6xabi_fltid 90 #define __floatunsidf __c6xabi_fltud 91 #define __floatsisf __c6xabi_fltif 92 #define __floatunsisf __c6xabi_fltuf 93 #define __truncdfsf2 __c6xabi_cvtdf 94 #define __extendsfdf2 __c6xabi_cvtfd 95 #define __adddf3 __c6xabi_addd 96 #define __subdf3 __c6xabi_subd 97 #define __muldf3 __c6xabi_mpyd 98 #define __divdf3 __c6xabi_divd 99 #define __negdf2 __c6xabi_negd 100 #define __absdf2 __c6xabi_absd 101 #define __addsf3 __c6xabi_addf 102 #define __subsf3 __c6xabi_subf 103 #define __mulsf3 __c6xabi_mpyf 104 #define __divsf3 __c6xabi_divf 105 #define __negsf2 __c6xabi_negf 106 #define __abssf2 __c6xabi_absf 107 #define __lesf2 __c6xabi_cmpf 108 #define __ledf2 __c6xabi_cmpd 109 #define __ltsf2 __gnu_ltsf2 110 #define __ltdf2 __gnu_ltdf2 111 #define __gesf2 __gnu_gesf2 112 #define __gedf2 __gnu_gedf2 113 #define __gtsf2 __gnu_gtsf2 114 #define __gtdf2 __gnu_gtdf2 115 #define __eqsf2 __gnu_eqsf2 116 #define __eqdf2 __gnu_eqdf2 117 #define __nesf2 __c6xabi_neqf 118 #define __nedf2 __c6xabi_neqd 119 #define __unordsf2 __c6xabi_unordf 120 #define __unorddf2 __c6xabi_unordd 121