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Diffstat (limited to 'soft-fp/half.h')
| -rw-r--r-- | soft-fp/half.h | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/soft-fp/half.h b/soft-fp/half.h deleted file mode 100644 index 60fcc0d035..0000000000 --- a/soft-fp/half.h +++ /dev/null @@ -1,170 +0,0 @@ -/* Software floating-point emulation. - Definitions for IEEE Half Precision. - Copyright (C) 1997-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library 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.) - - The GNU C Library 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 the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#ifndef SOFT_FP_HALF_H -#define SOFT_FP_HALF_H 1 - -#if _FP_W_TYPE_SIZE < 32 -# error "Here's a nickel kid. Go buy yourself a real computer." -#endif - -#define _FP_FRACTBITS_H (_FP_W_TYPE_SIZE) - -#define _FP_FRACTBITS_DW_H (_FP_W_TYPE_SIZE) - -#define _FP_FRACBITS_H 11 -#define _FP_FRACXBITS_H (_FP_FRACTBITS_H - _FP_FRACBITS_H) -#define _FP_WFRACBITS_H (_FP_WORKBITS + _FP_FRACBITS_H) -#define _FP_WFRACXBITS_H (_FP_FRACTBITS_H - _FP_WFRACBITS_H) -#define _FP_EXPBITS_H 5 -#define _FP_EXPBIAS_H 15 -#define _FP_EXPMAX_H 31 - -#define _FP_QNANBIT_H ((_FP_W_TYPE) 1 << (_FP_FRACBITS_H-2)) -#define _FP_QNANBIT_SH_H ((_FP_W_TYPE) 1 << (_FP_FRACBITS_H-2+_FP_WORKBITS)) -#define _FP_IMPLBIT_H ((_FP_W_TYPE) 1 << (_FP_FRACBITS_H-1)) -#define _FP_IMPLBIT_SH_H ((_FP_W_TYPE) 1 << (_FP_FRACBITS_H-1+_FP_WORKBITS)) -#define _FP_OVERFLOW_H ((_FP_W_TYPE) 1 << (_FP_WFRACBITS_H)) - -#define _FP_WFRACBITS_DW_H (2 * _FP_WFRACBITS_H) -#define _FP_WFRACXBITS_DW_H (_FP_FRACTBITS_DW_H - _FP_WFRACBITS_DW_H) -#define _FP_HIGHBIT_DW_H \ - ((_FP_W_TYPE) 1 << (_FP_WFRACBITS_DW_H - 1) % _FP_W_TYPE_SIZE) - -/* The implementation of _FP_MUL_MEAT_H and _FP_DIV_MEAT_H should be - chosen by the target machine. */ - -typedef float HFtype __attribute__ ((mode (HF))); - -union _FP_UNION_H -{ - HFtype flt; - struct _FP_STRUCT_LAYOUT - { -#if __BYTE_ORDER == __BIG_ENDIAN - unsigned sign : 1; - unsigned exp : _FP_EXPBITS_H; - unsigned frac : _FP_FRACBITS_H - (_FP_IMPLBIT_H != 0); -#else - unsigned frac : _FP_FRACBITS_H - (_FP_IMPLBIT_H != 0); - unsigned exp : _FP_EXPBITS_H; - unsigned sign : 1; -#endif - } bits __attribute__ ((packed)); -}; - -#define FP_DECL_H(X) _FP_DECL (1, X) -#define FP_UNPACK_RAW_H(X, val) _FP_UNPACK_RAW_1 (H, X, (val)) -#define FP_UNPACK_RAW_HP(X, val) _FP_UNPACK_RAW_1_P (H, X, (val)) -#define FP_PACK_RAW_H(val, X) _FP_PACK_RAW_1 (H, (val), X) -#define FP_PACK_RAW_HP(val, X) \ - do \ - { \ - if (!FP_INHIBIT_RESULTS) \ - _FP_PACK_RAW_1_P (H, (val), X); \ - } \ - while (0) - -#define FP_UNPACK_H(X, val) \ - do \ - { \ - _FP_UNPACK_RAW_1 (H, X, (val)); \ - _FP_UNPACK_CANONICAL (H, 1, X); \ - } \ - while (0) - -#define FP_UNPACK_HP(X, val) \ - do \ - { \ - _FP_UNPACK_RAW_1_P (H, X, (val)); \ - _FP_UNPACK_CANONICAL (H, 1, X); \ - } \ - while (0) - -#define FP_UNPACK_SEMIRAW_H(X, val) \ - do \ - { \ - _FP_UNPACK_RAW_1 (H, X, (val)); \ - _FP_UNPACK_SEMIRAW (H, 1, X); \ - } \ - while (0) - -#define FP_UNPACK_SEMIRAW_HP(X, val) \ - do \ - { \ - _FP_UNPACK_RAW_1_P (H, X, (val)); \ - _FP_UNPACK_SEMIRAW (H, 1, X); \ - } \ - while (0) - -#define FP_PACK_H(val, X) \ - do \ - { \ - _FP_PACK_CANONICAL (H, 1, X); \ - _FP_PACK_RAW_1 (H, (val), X); \ - } \ - while (0) - -#define FP_PACK_HP(val, X) \ - do \ - { \ - _FP_PACK_CANONICAL (H, 1, X); \ - if (!FP_INHIBIT_RESULTS) \ - _FP_PACK_RAW_1_P (H, (val), X); \ - } \ - while (0) - -#define FP_PACK_SEMIRAW_H(val, X) \ - do \ - { \ - _FP_PACK_SEMIRAW (H, 1, X); \ - _FP_PACK_RAW_1 (H, (val), X); \ - } \ - while (0) - -#define FP_PACK_SEMIRAW_HP(val, X) \ - do \ - { \ - _FP_PACK_SEMIRAW (H, 1, X); \ - if (!FP_INHIBIT_RESULTS) \ - _FP_PACK_RAW_1_P (H, (val), X); \ - } \ - while (0) - -#define FP_TO_INT_H(r, X, rsz, rsg) _FP_TO_INT (H, 1, (r), X, (rsz), (rsg)) -#define FP_TO_INT_ROUND_H(r, X, rsz, rsg) \ - _FP_TO_INT_ROUND (H, 1, (r), X, (rsz), (rsg)) -#define FP_FROM_INT_H(X, r, rs, rt) _FP_FROM_INT (H, 1, X, (r), (rs), rt) - -/* HFmode arithmetic is not implemented. */ - -#define _FP_FRAC_HIGH_H(X) _FP_FRAC_HIGH_1 (X) -#define _FP_FRAC_HIGH_RAW_H(X) _FP_FRAC_HIGH_1 (X) -#define _FP_FRAC_HIGH_DW_H(X) _FP_FRAC_HIGH_1 (X) - -#endif /* !SOFT_FP_HALF_H */ |