Linux/HPPA specific fegetenv implementation.

diff --git a/sysdeps/hppa/fpu/feenablxcpt.c b/sysdeps/hppa/fpu/feenablxcpt.c
new file mode 100644 (file)
index 0000000..ac46722
--- /dev/null
+++ b/sysdeps/hppa/fpu/feenablxcpt.c
@@ -0,0 +1,37 @@
+/* Enable floating-point exceptions.
+   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 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.h>
+
+int
+feenableexcept (int excepts)
+{
+  unsigned int sw[2], old_exc;
+
+  /* Get the current status word. */
+  __asm__ ("fstd %%fr0,0(%1)" : "=m" (*sw) : "r" (sw));
+
+  old_exc = sw[0] & FE_ALL_EXCEPT;
+
+  sw[0] |= (excepts & FE_ALL_EXCEPT);
+  __asm__ ("fldd 0(%0),%%fr0" : : "r" (sw));
+
+  return old_exc;
+}

diff --git a/sysdeps/hppa/fpu/fegetenv.c b/sysdeps/hppa/fpu/fegetenv.c
new file mode 100644 (file)
index 0000000..0fe9773
--- /dev/null
+++ b/sysdeps/hppa/fpu/fegetenv.c
@@ -0,0 +1,33 @@
+/* Store 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 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.h>
+
+int
+fegetenv (fenv_t *envp)
+{
+  __asm__ (
+          "fstd %%fr0,0(%2)\n"
+          "fstd,ma %%fr1,8(%2)\n"
+          "fstd,ma %%fr2,8(%2)\n"
+          "fstd %%fr3,0(%2)\n"
+          : "=m" (*envp), "=r" (envp) : "1" (envp));
+  return 0;
+}