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

1 files changed, 56 insertions, 0 deletions

diff --git a/sysdeps/hppa/fpu/feholdexcpt.c b/sysdeps/hppa/fpu/feholdexcpt.c
new file mode 100644
index 0000000000..5aec0151f8
--- /dev/null
+++ b/sysdeps/hppa/fpu/feholdexcpt.c
@@ -0,0 +1,56 @@
+/* Store current floating-point environment and clear 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 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>
+#include <string.h>
+
+int
+feholdexcept (fenv_t *envp)
+{
+  fenv_t clear;
+  fenv_t * _regs = envp;
+
+  /* Store the environment.  */
+  __asm__ (
+	   "fstd,ma %%fr0,8(%1)\n"
+	   "fstd,ma %%fr1,8(%1)\n"
+	   "fstd,ma %%fr2,8(%1)\n"
+	   "fstd %%fr3,0(%1)\n"
+	   : "=m" (*_regs), "+r" (_regs));
+  memcpy (&clear, envp, sizeof (clear));
+
+  /* Now clear all exceptions.  */
+  clear.__status_word &= ~(FE_ALL_EXCEPT << 27);
+  memset (clear.__exception, 0, sizeof (clear.__exception));
+
+  /* And set all exceptions to non-stop.  */
+  clear.__status_word &= ~FE_ALL_EXCEPT;
+
+  /* Load the new environment. */
+  _regs = &clear;
+  __asm__ (
+	   "fldd,ma 8(%0),%%fr0\n"
+	   "fldd,ma 8(%0),%%fr1\n"
+	   "fldd,ma 8(%0),%%fr2\n"
+	   "fldd 0(%0),%%fr3\n"
+	   : : "r" (_regs));
+
+  return 0;
+}