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-rw-r--r--sysdeps/hppa/fpu/fclrexcpt.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/sysdeps/hppa/fpu/fclrexcpt.c b/sysdeps/hppa/fpu/fclrexcpt.c
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index 0000000000..a7c698206e
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+++ b/sysdeps/hppa/fpu/fclrexcpt.c
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+/* Clear given exceptions in current floating-point environment.
+   Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David Huggins-Daines <dhd@debian.org>, 2000
+
+   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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <fenv.h>
+
+int
+feclearexcept (int excepts)
+{
+  unsigned int sw[2];
+
+  /* Get the current status word. */
+  __asm__ ("fstd %%fr0,0(%1)" : "=m" (*sw) : "r" (sw));
+
+  /* Clear all the relevant bits. */
+  sw[0] &= ~((excepts & FE_ALL_EXCEPT) << 27);
+  __asm__ ("fldd 0(%0),%%fr0" : : "r" (sw));
+
+  /* Success.  */
+  return 0;
+}