Diffstat (limited to 'arch/arm26/lib/lshrdi3.c')
1 files changed, 61 insertions, 0 deletions
diff --git a/arch/arm26/lib/lshrdi3.c b/arch/arm26/lib/lshrdi3.c
new file mode 100644
@@ -0,0 +1,61 @@
+/* More subroutines needed by GCC output code on some machines. */
+/* Compile this one with gcc. */
+/* Copyright (C) 1989, 92-98, 1999 Free Software Foundation, Inc.
+This file is part of GNU CC.
+GNU CC 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.
+GNU CC 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 GNU CC; see the file COPYING. If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+/* As a special exception, if you link this library with other files,
+ some of which are compiled with GCC, to produce an executable,
+ this library does not by itself cause the resulting executable
+ to be covered by the GNU General Public License.
+ This exception does not however invalidate any other reasons why
+ the executable file might be covered by the GNU General Public License.
+/* support functions required by the kernel. based on code from gcc-2.95.3 */
+/* I Molton 29/07/01 */
+__lshrdi3 (DItype u, word_type b)
+ DIunion w;
+ word_type bm;
+ DIunion uu;
+ if (b == 0)
+ return u;
+ uu.ll = u;
+ bm = (sizeof (SItype) * BITS_PER_UNIT) - b;
+ if (bm <= 0)
+ w.s.high = 0;
+ w.s.low = (USItype)uu.s.high >> -bm;
+ USItype carries = (USItype)uu.s.high << bm;
+ w.s.high = (USItype)uu.s.high >> b;
+ w.s.low = ((USItype)uu.s.low >> b) | carries;
+ return w.ll;