Move m68k from ports to libc

1 files changed, 50 insertions, 0 deletions

diff --git a/sysdeps/m68k/fpu/feupdateenv.c b/sysdeps/m68k/fpu/feupdateenv.c
new file mode 100644
index 0000000000..3ed7ed00c6
--- /dev/null
+++ b/sysdeps/m68k/fpu/feupdateenv.c
@@ -0,0 +1,50 @@
+/* Install given floating-point environment and raise exceptions.
+   Copyright (C) 1997-2014 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <fenv.h>
+
+int
+__feupdateenv (const fenv_t *envp)
+{
+  fexcept_t fpsr;
+
+  /* Save current exceptions.  */
+  __asm__ ("fmove%.l %/fpsr,%0" : "=dm" (fpsr));
+  fpsr &= FE_ALL_EXCEPT;
+
+  /* Install new environment.  */
+  fesetenv (envp);
+
+  /* Raise the saved exception.  Incidently for us the implementation
+     defined format of the values in objects of type fexcept_t is the
+     same as the ones specified using the FE_* constants.  */
+  feraiseexcept ((int) fpsr);
+
+  /* Success.  */
+  return 0;
+}
+
+#include <shlib-compat.h>
+#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2)
+strong_alias (__feupdateenv, __old_feupdateenv)
+compat_symbol (libm, __old_feupdateenv, feupdateenv, GLIBC_2_1);
+#endif
+
+libm_hidden_ver (__feupdateenv, feupdateenv)
+versioned_symbol (libm, __feupdateenv, feupdateenv, GLIBC_2_2);