--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libgcc/config/s390/32/_fixunssfdi.c	Fri Feb 12 23:39:51 2010 +0900
@@ -0,0 +1,90 @@
+/* Definitions of target machine for GNU compiler, for IBM S/390
+   Copyright (C) 1999, 2000, 2001, 2007, 2008 and 2009
+   Free Software Foundation, Inc.
+   Contributed by Hartmut Penner (hpenner@de.ibm.com) and
+                  Ulrich Weigand (uweigand@de.ibm.com).
+
+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 3, or (at your option) any later
+version.
+
+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.
+
+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/>.  */
+
+#define EXP(fp)         (((fp.l) >> 23) & 0xFF)
+#define EXCESS          126
+#define SIGNBIT         0x80000000
+#define SIGN(fp)        ((fp.l) & SIGNBIT)
+#define HIDDEN          (1 << 23)
+#define MANT(fp)        (((fp.l) & 0x7FFFFF) | HIDDEN)
+#define FRAC(fp)        ((fp.l) & 0x7FFFFF)
+
+typedef int DItype_x __attribute__ ((mode (DI)));
+typedef unsigned int UDItype_x __attribute__ ((mode (DI)));
+typedef int SItype_x __attribute__ ((mode (SI)));
+typedef unsigned int USItype_x __attribute__ ((mode (SI)));
+
+union float_long
+  {
+    float f;
+    USItype_x l;
+  };
+
+UDItype_x __fixunssfdi (float a1);
+
+/* convert float to unsigned int */
+UDItype_x
+__fixunssfdi (float a1)
+{
+    register union float_long fl1;
+    register int exp;
+    register UDItype_x l;
+
+    fl1.f = a1;
+
+    /* +/- 0, denormalized, negative */
+
+    if (!EXP (fl1) || SIGN(fl1))
+      return 0;
+
+    exp = EXP (fl1) - EXCESS - 24;
+
+    /* number < 1 */
+
+    if (exp < -24)
+      return 0;
+
+    /* NaN */
+
+    if ((EXP(fl1) == 0xff) && (FRAC(fl1) != 0)) /* NaN */
+      return 0x0ULL;
+
+    /* Number big number & + inf */
+
+    if (exp >= 41) {
+      return 0xFFFFFFFFFFFFFFFFULL;
+    }
+
+    l = MANT(fl1);
+
+    if (exp > 0)
+      l <<= exp;
+    else
+      l >>= -exp;
+
+    return l;
+}