From: Ulrich Drepper <drepper@redhat.com>
Date: Sun, 15 Oct 2000 03:35:05 +0000 (+0000)
Subject: Linux/HPPA specific fesetround implementation.
X-Git-Tag: upstream/2.30~10627^2~2164
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8c34028d3e197956caa1c786b45eff871ed9792e;p=external%2Fglibc.git

Linux/HPPA specific fesetround implementation.
---

diff --git a/sysdeps/hppa/fpu/fesetround.c b/sysdeps/hppa/fpu/fesetround.c
new file mode 100644
index 0000000..0d5858f
--- /dev/null
+++ b/sysdeps/hppa/fpu/fesetround.c
@@ -0,0 +1,39 @@
+/* Set current rounding direction.
+   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
+fesetround (int round)
+{
+  unsigned int sw[2];
+
+  if (round & ~FE_DOWNWARD)
+    /* ROUND is not a valid rounding mode.  */
+    return 1;
+
+  /* Get the current status word. */
+  __asm__ ("fstd %%fr0,0(%1)" : "=m" (*sw) : "r" (sw));
+  sw[0] &= ~FE_UPWARD;
+  sw[0] |= round;
+  __asm__ ("fldd 0(%0),%%fr0" : : "r" (sw));
+
+  return 0;
+}