decExcept.c: New.

libdecnumber/
	* decExcept.c: New.
	* decExcept.h: New.
libgcc/
	* Makefile.in (dec-filenames): Add decExcept.
gcc/
	* config/dfp-bit.c: Add parameterized support for fp exceptions.
	* config/dfp-bit.h: Ditto.
gcc/testsuite/
	* gcc.dg/dfp/dfp-except.h: New file.
	* gcc.dg/dfp/fe-check.h: New file.
	* gcc.dg/dfp/fe-binop.c: New test.
	* gcc.dg/dfp/fe-convert-1.c: New test.
	* gcc.dg/dfp/fe-convert-2.c: New test.
	* gcc.dg/dfp/fe-convert-3.c: New test.

From-SVN: r121317

3 files changed, 103 insertions, 0 deletions

diff --git a/libdecnumber/ChangeLog b/libdecnumber/ChangeLog
index 0994aee..3579b7c6 100644
--- a/libdecnumber/ChangeLog
+++ b/libdecnumber/ChangeLog
@@ -1,3 +1,8 @@
+2007-01-29  Janis Johnson  <janis187@us.ibm.com>
+
+	* decExcept.c: New.
+	* decExcept.h: New.
+
 2006-11-29  Janis Johnson  <janis187@us.ibm.com>
 
 	* decRound.c: Move declarations to new file, update comments.
diff --git a/libdecnumber/decExcept.c b/libdecnumber/decExcept.c
new file mode 100644
index 0000000..6821702
--- /dev/null
+++ b/libdecnumber/decExcept.c
@@ -0,0 +1,59 @@
+/* Temporary library support for decimal floating point.
+   Copyright (C) 2005, 2006 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 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.  */
+
+#include <fenv.h>
+#include "config.h"
+#include "decContext.h"
+#include "decExcept.h"
+
+/* Internal, non-documented functions for testing libgcc functions.
+   This support is not sufficient for real use.  */
+
+static int __dfp_except_flags = 0;
+
+/* Clear the dummy exception flags.  */
+void
+__dfp_clear_except (void)
+{
+  __dfp_except_flags = 0;
+}
+
+/* Return the dummy exception flags corresponding to the mask.  */
+int
+__dfp_test_except (int mask)
+{
+  return __dfp_except_flags & mask;
+}
+
+/* Set dummy exception flags.  */
+void
+__dfp_raise_except (int flags)
+{
+  __dfp_except_flags |= flags;
+}
diff --git a/libdecnumber/decExcept.h b/libdecnumber/decExcept.h
new file mode 100644
index 0000000..12ba87d
--- /dev/null
+++ b/libdecnumber/decExcept.h
@@ -0,0 +1,39 @@
+/* Temporary library support for decimal floating point.
+   Copyright (C) 2006 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 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.  */
+
+#include <fenv.h>
+#include "config.h"
+#include "decContext.h"
+
+#define DFP_EXCEPTIONS_ENABLED 1
+#define DFP_HANDLE_EXCEPTIONS(A) __dfp_raise_except(A)
+
+void __dfp_clear_except (void);
+int __dfp_test_except (int);
+void __dfp_raise_except (int);