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authorKaz Kojima <kkojima@rr.iij4u.or.jp>2013-06-21 18:07:31 +0900
committerKaz Kojima <kkojima@rr.iij4u.or.jp>2013-06-21 18:07:31 +0900
commitbe09e8c9ec07e40da339a437cbd608027965ef58 (patch)
tree878bbdb860e4fafda4c178676425af6b19910340 /sysdeps/sh
parent85c2e6110c9a01ec817c30f1b7e20549d7229987 (diff)
downloadglibc-be09e8c9ec07e40da339a437cbd608027965ef58.tar.gz
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Add sh4 implementation of fegetexceptflag.
Diffstat (limited to 'sysdeps/sh')
-rw-r--r--sysdeps/sh/sh4/fpu/fgetexcptflg.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/sysdeps/sh/sh4/fpu/fgetexcptflg.c b/sysdeps/sh/sh4/fpu/fgetexcptflg.c
new file mode 100644
index 0000000000..6a2a0c0e67
--- /dev/null
+++ b/sysdeps/sh/sh4/fpu/fgetexcptflg.c
@@ -0,0 +1,38 @@
+/* Store current representation for exceptions.
+   Copyright (C) 2013 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
+fegetexceptflag (fexcept_t *flagp, int excepts)
+{
+  fpu_control_t temp;
+
+  /* Get the current exceptions.  */
+  _FPU_GETCW (temp);
+
+  /* We only save the relevant bits here. In particular, care has to be
+     taken with the CAUSE bits, as an inadvertent restore later on could
+     generate unexpected exceptions.  */
+
+  *flagp = temp & excepts & FE_ALL_EXCEPT;
+
+  /* Success.  */
+  return 0;
+}