Imported gcc-4.4.3

[msp430-gcc.git] / libgcc / config / i386 / 32 / tf-signs.c

diff --git a/libgcc/config/i386/32/tf-signs.c b/libgcc/config/i386/32/tf-signs.c
new file mode 100644 (file)
index 0000000..2bc1a85
--- /dev/null
+++ b/libgcc/config/i386/32/tf-signs.c
@@ -0,0 +1,62 @@
+/* Copyright (C) 2008, 2009 Free Software Foundation, Inc.
+
+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/>.  */
+
+union _FP_UNION_Q
+{
+   __float128 flt;
+   struct 
+   {
+      unsigned long frac0 : 32;
+      unsigned long frac1 : 32;
+      unsigned long frac2 : 32;
+      unsigned long frac3 : 16;
+      unsigned exp : 15;
+      unsigned sign : 1;
+   } bits __attribute__((packed));
+};
+
+__float128 __copysigntf3 (__float128, __float128);
+__float128 __fabstf2 (__float128);
+
+__float128
+__copysigntf3 (__float128 a, __float128 b)
+{
+  union _FP_UNION_Q A, B;
+
+  A.flt = a;
+  B.flt = b;
+  A.bits.sign = B.bits.sign;
+
+  return A.flt;
+}
+
+__float128
+__fabstf2 (__float128 a)
+{
+  union _FP_UNION_Q A;
+
+  A.flt = a;
+  A.bits.sign = 0;
+
+  return A.flt;
+}