diff options
Diffstat (limited to 'soft-fp/op-8.h')
-rw-r--r-- | soft-fp/op-8.h | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/soft-fp/op-8.h b/soft-fp/op-8.h deleted file mode 100644 index 1f424e102d..0000000000 --- a/soft-fp/op-8.h +++ /dev/null @@ -1,150 +0,0 @@ -/* Software floating-point emulation. - Basic eight-word fraction declaration and manipulation. - Copyright (C) 1997-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Richard Henderson (rth@cygnus.com), - Jakub Jelinek (jj@ultra.linux.cz) and - Peter Maydell (pmaydell@chiark.greenend.org.uk). - - 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_OP_8_H -#define SOFT_FP_OP_8_H 1 - -/* We need just a few things from here for op-4, if we ever need some - other macros, they can be added. */ -#define _FP_FRAC_DECL_8(X) _FP_W_TYPE X##_f[8] -#define _FP_FRAC_HIGH_8(X) (X##_f[7]) -#define _FP_FRAC_LOW_8(X) (X##_f[0]) -#define _FP_FRAC_WORD_8(X, w) (X##_f[w]) - -#define _FP_FRAC_SLL_8(X, N) \ - do \ - { \ - _FP_I_TYPE _FP_FRAC_SLL_8_up, _FP_FRAC_SLL_8_down; \ - _FP_I_TYPE _FP_FRAC_SLL_8_skip, _FP_FRAC_SLL_8_i; \ - _FP_FRAC_SLL_8_skip = (N) / _FP_W_TYPE_SIZE; \ - _FP_FRAC_SLL_8_up = (N) % _FP_W_TYPE_SIZE; \ - _FP_FRAC_SLL_8_down = _FP_W_TYPE_SIZE - _FP_FRAC_SLL_8_up; \ - if (!_FP_FRAC_SLL_8_up) \ - for (_FP_FRAC_SLL_8_i = 7; \ - _FP_FRAC_SLL_8_i >= _FP_FRAC_SLL_8_skip; \ - --_FP_FRAC_SLL_8_i) \ - X##_f[_FP_FRAC_SLL_8_i] \ - = X##_f[_FP_FRAC_SLL_8_i-_FP_FRAC_SLL_8_skip]; \ - else \ - { \ - for (_FP_FRAC_SLL_8_i = 7; \ - _FP_FRAC_SLL_8_i > _FP_FRAC_SLL_8_skip; \ - --_FP_FRAC_SLL_8_i) \ - X##_f[_FP_FRAC_SLL_8_i] \ - = ((X##_f[_FP_FRAC_SLL_8_i-_FP_FRAC_SLL_8_skip] \ - << _FP_FRAC_SLL_8_up) \ - | (X##_f[_FP_FRAC_SLL_8_i-_FP_FRAC_SLL_8_skip-1] \ - >> _FP_FRAC_SLL_8_down)); \ - X##_f[_FP_FRAC_SLL_8_i--] = X##_f[0] << _FP_FRAC_SLL_8_up; \ - } \ - for (; _FP_FRAC_SLL_8_i >= 0; --_FP_FRAC_SLL_8_i) \ - X##_f[_FP_FRAC_SLL_8_i] = 0; \ - } \ - while (0) - -#define _FP_FRAC_SRL_8(X, N) \ - do \ - { \ - _FP_I_TYPE _FP_FRAC_SRL_8_up, _FP_FRAC_SRL_8_down; \ - _FP_I_TYPE _FP_FRAC_SRL_8_skip, _FP_FRAC_SRL_8_i; \ - _FP_FRAC_SRL_8_skip = (N) / _FP_W_TYPE_SIZE; \ - _FP_FRAC_SRL_8_down = (N) % _FP_W_TYPE_SIZE; \ - _FP_FRAC_SRL_8_up = _FP_W_TYPE_SIZE - _FP_FRAC_SRL_8_down; \ - if (!_FP_FRAC_SRL_8_down) \ - for (_FP_FRAC_SRL_8_i = 0; \ - _FP_FRAC_SRL_8_i <= 7-_FP_FRAC_SRL_8_skip; \ - ++_FP_FRAC_SRL_8_i) \ - X##_f[_FP_FRAC_SRL_8_i] \ - = X##_f[_FP_FRAC_SRL_8_i+_FP_FRAC_SRL_8_skip]; \ - else \ - { \ - for (_FP_FRAC_SRL_8_i = 0; \ - _FP_FRAC_SRL_8_i < 7-_FP_FRAC_SRL_8_skip; \ - ++_FP_FRAC_SRL_8_i) \ - X##_f[_FP_FRAC_SRL_8_i] \ - = ((X##_f[_FP_FRAC_SRL_8_i+_FP_FRAC_SRL_8_skip] \ - >> _FP_FRAC_SRL_8_down) \ - | (X##_f[_FP_FRAC_SRL_8_i+_FP_FRAC_SRL_8_skip+1] \ - << _FP_FRAC_SRL_8_up)); \ - X##_f[_FP_FRAC_SRL_8_i++] = X##_f[7] >> _FP_FRAC_SRL_8_down; \ - } \ - for (; _FP_FRAC_SRL_8_i < 8; ++_FP_FRAC_SRL_8_i) \ - X##_f[_FP_FRAC_SRL_8_i] = 0; \ - } \ - while (0) - - -/* Right shift with sticky-lsb. - What this actually means is that we do a standard right-shift, - but that if any of the bits that fall off the right hand side - were one then we always set the LSbit. */ -#define _FP_FRAC_SRS_8(X, N, size) \ - do \ - { \ - _FP_I_TYPE _FP_FRAC_SRS_8_up, _FP_FRAC_SRS_8_down; \ - _FP_I_TYPE _FP_FRAC_SRS_8_skip, _FP_FRAC_SRS_8_i; \ - _FP_W_TYPE _FP_FRAC_SRS_8_s; \ - _FP_FRAC_SRS_8_skip = (N) / _FP_W_TYPE_SIZE; \ - _FP_FRAC_SRS_8_down = (N) % _FP_W_TYPE_SIZE; \ - _FP_FRAC_SRS_8_up = _FP_W_TYPE_SIZE - _FP_FRAC_SRS_8_down; \ - for (_FP_FRAC_SRS_8_s = _FP_FRAC_SRS_8_i = 0; \ - _FP_FRAC_SRS_8_i < _FP_FRAC_SRS_8_skip; \ - ++_FP_FRAC_SRS_8_i) \ - _FP_FRAC_SRS_8_s |= X##_f[_FP_FRAC_SRS_8_i]; \ - if (!_FP_FRAC_SRS_8_down) \ - for (_FP_FRAC_SRS_8_i = 0; \ - _FP_FRAC_SRS_8_i <= 7-_FP_FRAC_SRS_8_skip; \ - ++_FP_FRAC_SRS_8_i) \ - X##_f[_FP_FRAC_SRS_8_i] \ - = X##_f[_FP_FRAC_SRS_8_i+_FP_FRAC_SRS_8_skip]; \ - else \ - { \ - _FP_FRAC_SRS_8_s \ - |= X##_f[_FP_FRAC_SRS_8_i] << _FP_FRAC_SRS_8_up; \ - for (_FP_FRAC_SRS_8_i = 0; \ - _FP_FRAC_SRS_8_i < 7-_FP_FRAC_SRS_8_skip; \ - ++_FP_FRAC_SRS_8_i) \ - X##_f[_FP_FRAC_SRS_8_i] \ - = ((X##_f[_FP_FRAC_SRS_8_i+_FP_FRAC_SRS_8_skip] \ - >> _FP_FRAC_SRS_8_down) \ - | (X##_f[_FP_FRAC_SRS_8_i+_FP_FRAC_SRS_8_skip+1] \ - << _FP_FRAC_SRS_8_up)); \ - X##_f[_FP_FRAC_SRS_8_i++] = X##_f[7] >> _FP_FRAC_SRS_8_down; \ - } \ - for (; _FP_FRAC_SRS_8_i < 8; ++_FP_FRAC_SRS_8_i) \ - X##_f[_FP_FRAC_SRS_8_i] = 0; \ - /* Don't fix the LSB until the very end when we're sure f[0] is \ - stable. */ \ - X##_f[0] |= (_FP_FRAC_SRS_8_s != 0); \ - } \ - while (0) - -#endif /* !SOFT_FP_OP_8_H */ |