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-rw-r--r--sysdeps/powerpc/fpu/fsetexcptflg.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/sysdeps/powerpc/fpu/fsetexcptflg.c b/sysdeps/powerpc/fpu/fsetexcptflg.c
new file mode 100644
index 0000000000..9ce59ac320
--- /dev/null
+++ b/sysdeps/powerpc/fpu/fsetexcptflg.c
@@ -0,0 +1,54 @@
+/* Set floating-point environment exception handling.
+   Copyright (C) 1997, 1999 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 Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <fenv_libc.h>
+
+int
+__fesetexceptflag (const fexcept_t *flagp, int excepts)
+{
+  fenv_union_t u;
+  fexcept_t flag;
+
+  /* Get the current state.  */
+  u.fenv = fegetenv_register ();
+
+  /* Ignore exceptions not listed in 'excepts'.  */
+  flag = *flagp & excepts;
+
+  /* Replace the exception status */
+  u.l[1] = ((u.l[1] & ~(FPSCR_STICKY_BITS & excepts))
+	    | (flag & FPSCR_STICKY_BITS)
+	    | (flag >> ((31 - FPSCR_VX) - (31 - FPSCR_VXSOFT))
+	       & FE_INVALID_SOFTWARE));
+
+  /* Store the new status word (along with the rest of the environment).
+     This may cause floating-point exceptions if the restored state
+     requests it.  */
+  fesetenv_register (u.fenv);
+
+  /* Deal with FE_INVALID_SOFTWARE not being implemented on some chips.  */
+  if (flag & FE_INVALID)
+    feraiseexcept(FE_INVALID);
+
+  /* Success.  */
+  return 0;
+}
+strong_alias (__fesetexceptflag, __old_fesetexceptflag)
+symbol_version (__old_fesetexceptflag, fesetexceptflag, GLIBC_2.1);
+default_symbol_version (__fesetexceptflag, fesetexceptflag, GLIBC_2.1.3);