diff options
Diffstat (limited to 'gcc/config/mt/lib2extra-funcs.c')
| -rw-r--r-- | gcc/config/mt/lib2extra-funcs.c | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/gcc/config/mt/lib2extra-funcs.c b/gcc/config/mt/lib2extra-funcs.c deleted file mode 100644 index 6f5ec6a619c..00000000000 --- a/gcc/config/mt/lib2extra-funcs.c +++ /dev/null @@ -1,232 +0,0 @@ -/* Copyright (C) 2005 Free Software Foundation, - -This file is part of GCC. - -GCC 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 2, or (at your option) any later -version. - -In addition to the permissions in the GNU 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 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.) - -GCC 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. - -You should have received a copy of the GNU General Public License -along with GCC; see the file COPYING. If not, write to the Free -Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301, USA. */ - -#define BITS_PER_UNIT 8 - -typedef int HItype __attribute__ ((mode (HI))); -typedef unsigned int UHItype __attribute__ ((mode (HI))); - -typedef int SItype __attribute__ ((mode (SI))); -typedef unsigned int USItype __attribute__ ((mode (SI))); - -typedef int word_type __attribute__ ((mode (__word__))); - -struct SIstruct {HItype low, high;}; - -typedef union -{ - struct SIstruct s; - SItype ll; -} SIunion; - -SItype -__lshrsi3 (SItype u, word_type b) -{ - SIunion w; - word_type bm; - SIunion uu; - - if (b == 0) - return u; - - uu.ll = u; - - bm = (sizeof (HItype) * BITS_PER_UNIT) - b; - if (bm <= 0) - { - w.s.high = 0; - w.s.low = (UHItype)uu.s.high >> -bm; - } - else - { - UHItype carries = (UHItype)uu.s.high << bm; - w.s.high = (UHItype)uu.s.high >> b; - w.s.low = ((UHItype)uu.s.low >> b) | carries; - } - - return w.ll; -} - -SItype -__ashlsi3 (SItype u, word_type b) -{ - SIunion w; - word_type bm; - SIunion uu; - - if (b == 0) - return u; - - uu.ll = u; - - bm = (sizeof (HItype) * BITS_PER_UNIT) - b; - if (bm <= 0) - { - w.s.low = 0; - w.s.high = (UHItype)uu.s.low << -bm; - } - else - { - UHItype carries = (UHItype)uu.s.low >> bm; - w.s.low = (UHItype)uu.s.low << b; - w.s.high = ((UHItype)uu.s.high << b) | carries; - } - - return w.ll; -} - -SItype -__ashrsi3 (SItype u, word_type b) -{ - SIunion w; - word_type bm; - SIunion uu; - - if (b == 0) - return u; - - uu.ll = u; - - bm = (sizeof (HItype) * BITS_PER_UNIT) - b; - if (bm <= 0) - { - /* w.s.high = 1..1 or 0..0 */ - w.s.high = uu.s.high >> (sizeof (HItype) * BITS_PER_UNIT - 1); - w.s.low = uu.s.high >> -bm; - } - else - { - UHItype carries = (UHItype)uu.s.high << bm; - w.s.high = uu.s.high >> b; - w.s.low = ((UHItype)uu.s.low >> b) | carries; - } - - return w.ll; -} - -USItype -__mulsi3 (USItype a, USItype b) -{ - USItype c = 0; - - while (a != 0) - { - if (a & 1) - c += b; - a >>= 1; - b <<= 1; - } - - return c; -} - -USItype -udivmodsi4(USItype num, USItype den, word_type modwanted) -{ - USItype bit = 1; - USItype res = 0; - - while (den < num && bit && !(den & (1L<<31))) - { - den <<=1; - bit <<=1; - } - while (bit) - { - if (num >= den) - { - num -= den; - res |= bit; - } - bit >>=1; - den >>=1; - } - if (modwanted) return num; - return res; -} - -SItype -__divsi3 (SItype a, SItype b) -{ - word_type neg = 0; - SItype res; - - if (a < 0) - { - a = -a; - neg = !neg; - } - - if (b < 0) - { - b = -b; - neg = !neg; - } - - res = udivmodsi4 (a, b, 0); - - if (neg) - res = -res; - - return res; -} - -SItype -__modsi3 (SItype a, SItype b) -{ - word_type neg = 0; - SItype res; - - if (a < 0) - { - a = -a; - neg = 1; - } - - if (b < 0) - b = -b; - - res = udivmodsi4 (a, b, 1); - - if (neg) - res = -res; - - return res; -} - -SItype -__udivsi3 (SItype a, SItype b) -{ - return udivmodsi4 (a, b, 0); -} - -SItype -__umodsi3 (SItype a, SItype b) -{ - return udivmodsi4 (a, b, 1); -} |
