Add sh4 implementation of fegetexceptflag.

2 files changed, 43 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index 6c65453eb4..b02c895a91 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2013-06-21  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
+
+	[BZ #15655]
+	* sysdeps/sh/sh4/fpu/fgetexcptflg.c: New file.
+
 2013-06-20  Adhemerval Zanella  <azanella@linux.vnet.ibm.com>
 
 	* config.h.in (HAVE_CC_INHIBIT_LOOP_TO_LIBCALL): New define.
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;
+}