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[06/12] Add fesetexcept: ia64
- From: Joseph Myers <joseph at codesourcery dot com>
- To: <libc-alpha at sourceware dot org>
- Cc: <vapier at gentoo dot org>
- Date: Thu, 11 Aug 2016 21:01:00 +0000
- Subject: [06/12] Add fesetexcept: ia64
- Authentication-results: sourceware.org; auth=none
- References: <alpine.DEB.2.20.1608112053120.1591@digraph.polyomino.org.uk>
This patch adds an IA64 version of fesetexcept. Untested.
2016-08-11 Joseph Myers <joseph@codesourcery.com>
* sysdeps/ia64/fpu/fesetexcept.c: New file.
diff --git a/sysdeps/ia64/fpu/fesetexcept.c b/sysdeps/ia64/fpu/fesetexcept.c
new file mode 100644
index 0000000..d6004b6
--- /dev/null
+++ b/sysdeps/ia64/fpu/fesetexcept.c
@@ -0,0 +1,31 @@
+/* Set given exception flags. IA64 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>
+
+int
+fesetexcept (int excepts)
+{
+ fenv_t fpsr;
+
+ __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr));
+ fpsr |= ((excepts & FE_ALL_EXCEPT) << 13);
+ __asm__ __volatile__ ("mov.m ar.fpsr=%0" :: "r" (fpsr) : "memory");
+
+ return 0;
+}
--
Joseph S. Myers
joseph@codesourcery.com