diff options
Diffstat (limited to 'gcc-4.9/libgcc/config/c6x/sfp-machine.h')
| -rw-r--r-- | gcc-4.9/libgcc/config/c6x/sfp-machine.h | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/gcc-4.9/libgcc/config/c6x/sfp-machine.h b/gcc-4.9/libgcc/config/c6x/sfp-machine.h new file mode 100644 index 000000000..9b7a02e9f --- /dev/null +++ b/gcc-4.9/libgcc/config/c6x/sfp-machine.h @@ -0,0 +1,124 @@ +/* Soft-FP definitions for TI C6X. + Copyright (C) 2010-2014 Free Software Foundation, Inc. + + This files is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + In addition to the permissions in the GNU Lesser General Public + License, the Free Software Foundation gives you unlimited + permission to link the compiled version of this file into + combinations with other programs, and to distribute those + combinations without any restriction coming from the use of this + file. (The Lesser General Public License restrictions do apply in + other respects; for example, they cover modification of the file, + and distribution when not linked into a combine executable.) + + This file is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with GCC; see the file COPYING.LIB. If not see + <http://www.gnu.org/licenses/>. */ + +#define _FP_W_TYPE_SIZE 32 +#define _FP_W_TYPE unsigned long +#define _FP_WS_TYPE signed long +#define _FP_I_TYPE long + +#define _FP_MUL_MEAT_S(R,X,Y) \ + _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm) +#define _FP_MUL_MEAT_D(R,X,Y) \ + _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm) +#define _FP_MUL_MEAT_Q(R,X,Y) \ + _FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm) + +#define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_loop(S,R,X,Y) +#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y) +#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_4_udiv(Q,R,X,Y) + +#define _FP_NANFRAC_H ((_FP_QNANBIT_H << 1) - 1) +#define _FP_NANFRAC_S ((_FP_QNANBIT_S << 1) - 1) +#define _FP_NANFRAC_D ((_FP_QNANBIT_D << 1) - 1), -1 +#define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 1) - 1), -1, -1, -1 +#define _FP_NANSIGN_H 0 +#define _FP_NANSIGN_S 0 +#define _FP_NANSIGN_D 0 +#define _FP_NANSIGN_Q 0 + +#define _FP_KEEPNANFRACP 1 +#define _FP_QNANNEGATEDP 0 + +/* Someone please check this. */ +#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \ + do { \ + if ((_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs) \ + && !(_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs)) \ + { \ + R##_s = Y##_s; \ + _FP_FRAC_COPY_##wc(R,Y); \ + } \ + else \ + { \ + R##_s = X##_s; \ + _FP_FRAC_COPY_##wc(R,X); \ + } \ + R##_c = FP_CLS_NAN; \ + } while (0) + +#define __LITTLE_ENDIAN 1234 +#define __BIG_ENDIAN 4321 + +#if defined _BIG_ENDIAN +# define __BYTE_ORDER __BIG_ENDIAN +#else +# define __BYTE_ORDER __LITTLE_ENDIAN +#endif + +/* Not checked. */ +#define _FP_TININESS_AFTER_ROUNDING 0 + + +/* Define ALIASNAME as a strong alias for NAME. */ +# define strong_alias(name, aliasname) _strong_alias(name, aliasname) +# define _strong_alias(name, aliasname) \ + extern __typeof (name) aliasname __attribute__ ((alias (#name))); + +/* Rename helper functions to the names specified in the C6000 ELF ABI. */ +#define __fixdfsi __c6xabi_fixdi +#define __fixsfsi __c6xabi_fixfi +#define __floatsidf __c6xabi_fltid +#define __floatunsidf __c6xabi_fltud +#define __floatsisf __c6xabi_fltif +#define __floatunsisf __c6xabi_fltuf +#define __truncdfsf2 __c6xabi_cvtdf +#define __extendsfdf2 __c6xabi_cvtfd +#define __adddf3 __c6xabi_addd +#define __subdf3 __c6xabi_subd +#define __muldf3 __c6xabi_mpyd +#define __divdf3 __c6xabi_divd +#define __negdf2 __c6xabi_negd +#define __absdf2 __c6xabi_absd +#define __addsf3 __c6xabi_addf +#define __subsf3 __c6xabi_subf +#define __mulsf3 __c6xabi_mpyf +#define __divsf3 __c6xabi_divf +#define __negsf2 __c6xabi_negf +#define __abssf2 __c6xabi_absf +#define __lesf2 __c6xabi_cmpf +#define __ledf2 __c6xabi_cmpd +#define __ltsf2 __gnu_ltsf2 +#define __ltdf2 __gnu_ltdf2 +#define __gesf2 __gnu_gesf2 +#define __gedf2 __gnu_gedf2 +#define __gtsf2 __gnu_gtsf2 +#define __gtdf2 __gnu_gtdf2 +#define __eqsf2 __gnu_eqsf2 +#define __eqdf2 __gnu_eqdf2 +#define __nesf2 __c6xabi_neqf +#define __nedf2 __c6xabi_neqd +#define __unordsf2 __c6xabi_unordf +#define __unorddf2 __c6xabi_unordd |