(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.

1 files changed, 39 insertions, 0 deletions

diff --git a/sysdeps/m68k/fpu/feholdexcpt.c b/sysdeps/m68k/fpu/feholdexcpt.c
new file mode 100644
index 0000000000..88fb1c59ac
--- /dev/null
+++ b/sysdeps/m68k/fpu/feholdexcpt.c
@@ -0,0 +1,39 @@
+/* Store current floating-point environment and clear exceptions.
+   Copyright (C) 1997, 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+   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
+feholdexcept (fenv_t *envp)
+{
+  fexcept_t fpcr, fpsr;
+
+  /* Store the environment.  */
+  __asm__ ("fmovem%.l %/fpcr/%/fpsr/%/fpiar,%0" : "=m" (*envp));
+
+  /* Now clear all exceptions.  */
+  fpsr = envp->__status_register & ~FE_ALL_EXCEPT;
+  __asm__ __volatile__ ("fmove%.l %0,%/fpsr" : : "dm" (fpsr));
+  /* And set all exceptions to non-stop.  */
+  fpcr = envp->__control_register & ~(FE_ALL_EXCEPT << 6);
+  __asm__ __volatile__ ("fmove%.l %0,%!" : : "dm" (fpcr));
+
+  return 0;
+}