6 files changed, 210 insertions, 0 deletions
diff --git a/sysdeps/powerpc/fpu/fegetenv.c b/sysdeps/powerpc/fpu/fegetenv.c
new file mode 100644
index 0000000000..7a28500d6c
--- /dev/null
+++ b/sysdeps/powerpc/fpu/fegetenv.c
@@ -0,0 +1,32 @@
+/* Store current floating-point environment.
+   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
+__fegetenv (fenv_t *envp)
+{
+  *envp = fegetenv_register ();
+
+  /* Success.  */
+  return 0;
+}
+strong_alias (__fegetenv, __old_fegetenv)
+symbol_version (__old_fegetenv, fegetenv, GLIBC_2.1);
+default_symbol_version (__fegetenv, fegetenv, GLIBC_2.1.3);
diff --git a/sysdeps/powerpc/fpu/fegetround.c b/sysdeps/powerpc/fpu/fegetround.c
new file mode 100644
index 0000000000..3bb9fb49e0
--- /dev/null
+++ b/sysdeps/powerpc/fpu/fegetround.c
@@ -0,0 +1,29 @@
+/* Return current rounding direction.
+   Copyright (C) 1997 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>
+
+#undef fegetround
+int
+fegetround (void)
+{
+  int result;
+  asm ("mcrfs 7,7 ; mfcr %0" : "=r"(result) : : "cr7"); \
+  return result & 3;
+}
diff --git a/sysdeps/powerpc/fpu/fesetenv.c b/sysdeps/powerpc/fpu/fesetenv.c
new file mode 100644
index 0000000000..9f4288df56
--- /dev/null
+++ b/sysdeps/powerpc/fpu/fesetenv.c
@@ -0,0 +1,32 @@
+/* Install given floating-point environment.
+   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
+__fesetenv (const fenv_t *envp)
+{
+  fesetenv_register (*envp);
+
+  /* Success.  */
+  return 0;
+}
+strong_alias (__fesetenv, __old_fesetenv)
+symbol_version (__old_fesetenv, fesetenv, GLIBC_2.1);
+default_symbol_version (__fesetenv, fesetenv, GLIBC_2.1.3);
diff --git a/sysdeps/powerpc/fpu/fesetround.c b/sysdeps/powerpc/fpu/fesetround.c
new file mode 100644
index 0000000000..875c89768a
--- /dev/null
+++ b/sysdeps/powerpc/fpu/fesetround.c
@@ -0,0 +1,41 @@
+/* Set current rounding direction.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   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
+fesetround (int round)
+{
+  fenv_union_t u;
+
+  if ((unsigned int) round > 3)
+    return 0;
+
+  /* Get the current state.  */
+  u.fenv = fegetenv_register ();
+
+  /* Set the relevant bits.  */
+  u.l[1] = (u.l[1] & ~3)  |  (round & 3);
+
+  /* Put the new state in effect.  */
+  fesetenv_register (u.fenv);
+
+  return 1;
+}
diff --git a/sysdeps/powerpc/fpu/feupdateenv.c b/sysdeps/powerpc/fpu/feupdateenv.c
new file mode 100644
index 0000000000..26c2ddfef3
--- /dev/null
+++ b/sysdeps/powerpc/fpu/feupdateenv.c
@@ -0,0 +1,43 @@
+/* Install given floating-point environment and raise exceptions.
+   Copyright (C) 1997, 1999 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   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
+__feupdateenv (const fenv_t *envp)
+{
+  fenv_union_t old, new;
+
+  /* Save the currently set exceptions.  */
+  new.fenv = *envp;
+  old.fenv = fegetenv_register ();
+
+  /* Copy the set exceptions from `old' to `new'.  */
+  new.l[1] = (new.l[1] & 0xE00000FF) | (old.l[1] & 0x1FFFFF00);
+
+  /* Atomically enable and raise (if appropriate) exceptions set in `new'. */
+  fesetenv_register (new.fenv);
+
+  /* Success.  */
+  return 0;
+}
+strong_alias (__feupdateenv, __old_feupdateenv)
+symbol_version (__old_feupdateenv, feupdateenv, GLIBC_2.1);
+default_symbol_version (__feupdateenv, feupdateenv, GLIBC_2.1.3);
diff --git a/sysdeps/powerpc/fpu/ftestexcept.c b/sysdeps/powerpc/fpu/ftestexcept.c
new file mode 100644
index 0000000000..6cb8dd5e28
--- /dev/null
+++ b/sysdeps/powerpc/fpu/ftestexcept.c
@@ -0,0 +1,33 @@
+/* Test exception in current environment.
+   Copyright (C) 1997 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
+fetestexcept (int excepts)
+{
+  fenv_union_t u;
+
+  /* Get the current state.  */
+  u.fenv = fegetenv_register ();
+
+  /* The FE_INVALID bit is dealt with correctly by the hardware, so we can
+     just:  */
+  return u.l[1] & excepts;
+}