126 lines
4.4 KiB
C
126 lines
4.4 KiB
C
/* Soft-FP definitions for TI PRU.
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Copyright (C) 2010-2021 Free Software Foundation, Inc.
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Based on C6X soft-fp header.
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This files is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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In addition to the permissions in the GNU Lesser General Public
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License, the Free Software Foundation gives you unlimited
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permission to link the compiled version of this file into
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combinations with other programs, and to distribute those
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combinations without any restriction coming from the use of this
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file. (The Lesser General Public License restrictions do apply in
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other respects; for example, they cover modification of the file,
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and distribution when not linked into a combine executable.)
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This file is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with GCC; see the file COPYING.LIB. If not see
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<http://www.gnu.org/licenses/>. */
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#define _FP_W_TYPE_SIZE 32
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#define _FP_W_TYPE unsigned long
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#define _FP_WS_TYPE signed long
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#define _FP_I_TYPE long
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#define _FP_MUL_MEAT_S(R,X,Y) \
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_FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm)
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#define _FP_MUL_MEAT_D(R,X,Y) \
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_FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
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#define _FP_MUL_MEAT_Q(R,X,Y) \
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_FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
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#define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_loop(S,R,X,Y)
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#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y)
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#define _FP_DIV_MEAT_Q(R,X,Y) _FP_DIV_MEAT_4_udiv(Q,R,X,Y)
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#define _FP_NANFRAC_H ((_FP_QNANBIT_H << 1) - 1)
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#define _FP_NANFRAC_S ((_FP_QNANBIT_S << 1) - 1)
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#define _FP_NANFRAC_D ((_FP_QNANBIT_D << 1) - 1), -1
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#define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 1) - 1), -1, -1, -1
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#define _FP_NANSIGN_H 0
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#define _FP_NANSIGN_S 0
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#define _FP_NANSIGN_D 0
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#define _FP_NANSIGN_Q 0
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#define _FP_KEEPNANFRACP 1
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#define _FP_QNANNEGATEDP 0
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/* Someone please check this. */
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#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \
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do { \
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if ((_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs) \
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&& !(_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs)) \
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{ \
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R##_s = Y##_s; \
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_FP_FRAC_COPY_##wc(R,Y); \
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} \
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else \
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{ \
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R##_s = X##_s; \
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_FP_FRAC_COPY_##wc(R,X); \
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} \
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R##_c = FP_CLS_NAN; \
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} while (0)
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#define __LITTLE_ENDIAN 1234
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#define __BIG_ENDIAN 4321
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#if defined _BIG_ENDIAN
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# define __BYTE_ORDER __BIG_ENDIAN
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#else
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# define __BYTE_ORDER __LITTLE_ENDIAN
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#endif
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/* Not checked. */
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#define _FP_TININESS_AFTER_ROUNDING 0
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/* Define ALIASNAME as a strong alias for NAME. */
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# define strong_alias(name, aliasname) _strong_alias(name, aliasname)
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# define _strong_alias(name, aliasname) \
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extern __typeof (name) aliasname __attribute__ ((alias (#name)));
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/* Rename helper functions to the names specified in the PRU ELF ABI. */
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#define __fixdfsi __pruabi_fixdi
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#define __fixsfsi __pruabi_fixfi
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#define __floatsidf __pruabi_fltid
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#define __floatunsidf __pruabi_fltud
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#define __floatsisf __pruabi_fltif
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#define __floatunsisf __pruabi_fltuf
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#define __truncdfsf2 __pruabi_cvtdf
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#define __extendsfdf2 __pruabi_cvtfd
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#define __adddf3 __pruabi_addd
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#define __subdf3 __pruabi_subd
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#define __muldf3 __pruabi_mpyd
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#define __divdf3 __pruabi_divd
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#define __negdf2 __pruabi_negd
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#define __absdf2 __pruabi_absd
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#define __addsf3 __pruabi_addf
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#define __subsf3 __pruabi_subf
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#define __mulsf3 __pruabi_mpyf
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#define __divsf3 __pruabi_divf
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#define __negsf2 __pruabi_negf
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#define __abssf2 __pruabi_absf
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#define __lesf2 __pruabi_cmpf
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#define __ledf2 __pruabi_cmpd
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#define __ltsf2 __gnu_ltsf2
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#define __ltdf2 __gnu_ltdf2
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#define __gesf2 __gnu_gesf2
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#define __gedf2 __gnu_gedf2
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#define __gtsf2 __gnu_gtsf2
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#define __gtdf2 __gnu_gtdf2
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#define __eqsf2 __gnu_eqsf2
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#define __eqdf2 __gnu_eqdf2
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#define __nesf2 __pruabi_neqf
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#define __nedf2 __pruabi_neqd
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#define __unordsf2 __pruabi_unordf
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#define __unorddf2 __pruabi_unordd
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