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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)
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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 0000000..6a2a0c0
--- /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;
+}