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[10/12] Add fesetexcept: s390

Message ID alpine.DEB.2.20.1608112102400.1591@digraph.polyomino.org.uk
State Committed
Headers

Commit Message

Joseph Myers Aug. 11, 2016, 9:03 p.m. UTC 
  This patch adds an S/390 version of fesetexcept.  Untested.

2016-08-11  Joseph Myers  <joseph@codesourcery.com>

	* sysdeps/s390/fpu/fesetexcept.c: New file.
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Patch

diff --git a/sysdeps/s390/fpu/fesetexcept.c b/sysdeps/s390/fpu/fesetexcept.c
new file mode 100644
index 0000000..4728f3e
--- /dev/null
+++ b/sysdeps/s390/fpu/fesetexcept.c
@@ -0,0 +1,32 @@ 
+/* Set given exception flags.  S/390 version.
+   Copyright (C) 2016 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   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.
+
+   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
+   Lesser General Public License for more details.
+
+   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 <fenv.h>
+#include <fpu_control.h>
+
+int
+fesetexcept (int excepts)
+{
+  fexcept_t temp, newexcepts;
+
+  _FPU_GETCW (temp);
+  temp |= (excepts & FE_ALL_EXCEPT) << FPC_FLAGS_SHIFT;
+  _FPU_SETCW (temp);
+
+  return 0;
+}