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Diffstat (limited to 'libgcc/config/nios2/lib2-divmod-hi.c')
-rw-r--r-- | libgcc/config/nios2/lib2-divmod-hi.c | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/libgcc/config/nios2/lib2-divmod-hi.c b/libgcc/config/nios2/lib2-divmod-hi.c deleted file mode 100644 index 77cba8e..0000000 --- a/libgcc/config/nios2/lib2-divmod-hi.c +++ /dev/null @@ -1,117 +0,0 @@ -/* Copyright (C) 2012-2024 Free Software Foundation, Inc. - Contributed by Altera and Mentor Graphics, Inc. - -This file is free software; you can redistribute it and/or modify it -under the terms of the GNU General Public License as published by the -Free Software Foundation; either version 3, or (at your option) any -later version. - -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 -General Public License for more details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -<http://www.gnu.org/licenses/>. */ - -#include "lib2-nios2.h" - -/* 16-bit HI divide and modulo as used in Nios II. */ - -static UHItype -udivmodhi4 (UHItype num, UHItype den, word_type modwanted) -{ - UHItype bit = 1; - UHItype res = 0; - - while (den < num && bit && !(den & (1L<<15))) - { - den <<=1; - bit <<=1; - } - while (bit) - { - if (num >= den) - { - num -= den; - res |= bit; - } - bit >>=1; - den >>=1; - } - if (modwanted) - return num; - return res; -} - - -HItype -__divhi3 (HItype a, HItype b) -{ - word_type neg = 0; - HItype res; - - if (a < 0) - { - a = -a; - neg = !neg; - } - - if (b < 0) - { - b = -b; - neg = !neg; - } - - res = udivmodhi4 (a, b, 0); - - if (neg) - res = -res; - - return res; -} - - -HItype -__modhi3 (HItype a, HItype b) -{ - word_type neg = 0; - HItype res; - - if (a < 0) - { - a = -a; - neg = 1; - } - - if (b < 0) - b = -b; - - res = udivmodhi4 (a, b, 1); - - if (neg) - res = -res; - - return res; -} - - -UHItype -__udivhi3 (UHItype a, UHItype b) -{ - return udivmodhi4 (a, b, 0); -} - - -UHItype -__umodhi3 (UHItype a, UHItype b) -{ - return udivmodhi4 (a, b, 1); -} - |