about summary refs log tree commit diff
path: root/REORG.TODO/sysdeps/alpha/fpu/fegetmode.c
diff options
context:
space:
mode:
Diffstat (limited to 'REORG.TODO/sysdeps/alpha/fpu/fegetmode.c')
-rw-r--r--REORG.TODO/sysdeps/alpha/fpu/fegetmode.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/alpha/fpu/fegetmode.c b/REORG.TODO/sysdeps/alpha/fpu/fegetmode.c
new file mode 100644
index 0000000000..18ab5d328a
--- /dev/null
+++ b/REORG.TODO/sysdeps/alpha/fpu/fegetmode.c
@@ -0,0 +1,33 @@
+/* Store current floating-point control modes.  Alpha version.
+   Copyright (C) 2016-2017 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_libc.h>
+
+int
+fegetmode (femode_t *modep)
+{
+  unsigned long int fpcr;
+  unsigned long int swcr;
+
+  /* As in fegetenv.  */
+  swcr = __ieee_get_fp_control ();
+  __asm__ __volatile__ ("mf_fpcr %0" : "=f" (fpcr));
+  *modep = ((fpcr & FPCR_ROUND_MASK) | (swcr & SWCR_ALL_MASK));
+
+  return 0;
+}