soft-fp: Make extensions of subnormals from XFmode to TFmode signal underflow if...

[thirdparty/glibc.git] / soft-fp / fixtfsi.c

diff --git a/soft-fp/fixtfsi.c b/soft-fp/fixtfsi.c
index 11eb7d69cad77875d16eafa82f35a5a21537426e..220a11ac66da0a38ce3834e1dcb7533f708a197e 100644 (file)
--- a/soft-fp/fixtfsi.c
+++ b/soft-fp/fixtfsi.c
@@ -1,36 +1,46 @@
 /* Software floating-point emulation.
    Convert a to 32bit signed integer
-   Copyright (C) 1997,1999 Free Software Foundation, Inc.
+   Copyright (C) 1997-2014 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Richard Henderson (rth@cygnus.com) and
                  Jakub Jelinek (jj@ultra.linux.cz).
 
    The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   In addition to the permissions in the GNU Lesser 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 Lesser 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.)
 
    The GNU C Library 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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If
-   not, write to the Free Software Foundation, Inc.,
-   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
 
 #include "soft-fp.h"
 #include "quad.h"
 
-SItype __fixtfsi(long double a)
+SItype
+__fixtfsi (TFtype a)
 {
   FP_DECL_EX;
-  FP_DECL_Q(A);
-  SItype r;
+  FP_DECL_Q (A);
+  USItype r;
 
-  FP_UNPACK_Q(A, a);
-  FP_TO_INT_Q(r, A, 32, 1);
+  FP_INIT_EXCEPTIONS;
+  FP_UNPACK_RAW_Q (A, a);
+  FP_TO_INT_Q (r, A, SI_BITS, 1);
   FP_HANDLE_EXCEPTIONS;
 
   return r;