[PATCH] ia64: define new get-rounding-mode.h header

[Mike Frysinger <vapier at gentoo dot org>]

The new strtod function wants rounding information from the C lib, so
move the guts of the ia64 version into a header file for it to use.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---
 ports/ChangeLog.ia64                       |  6 +++++
 ports/sysdeps/ia64/fpu/fegetround.c        | 10 +++-----
 ports/sysdeps/ia64/fpu/get-rounding-mode.h | 37 ++++++++++++++++++++++++++++++
 3 files changed, 46 insertions(+), 7 deletions(-)
 create mode 100644 ports/sysdeps/ia64/fpu/get-rounding-mode.h

diff --git a/ports/ChangeLog.ia64 b/ports/ChangeLog.ia64
index 3566b37..39ec5ff 100644
--- a/ports/ChangeLog.ia64
+++ b/ports/ChangeLog.ia64
@@ -1,5 +1,11 @@
 2012-09-24  Mike Frysinger  <vapier@gentoo.org>
 
+	* ports/sysdeps/ia64/fpu/fegetround.c (fegetround): Move contents
+	of function to ...
+	* ports/sysdeps/ia64/fpu/get-rounding-mode.h: ... here.
+
+2012-09-24  Mike Frysinger  <vapier@gentoo.org>
+
 	* sysdeps/ia64/Makeconfig: New file.
 
 2012-08-16  Carlos O'Donell  <carlos_odonell@mentor.com>
diff --git a/ports/sysdeps/ia64/fpu/fegetround.c b/ports/sysdeps/ia64/fpu/fegetround.c
index e672f61..403aadb 100644
--- a/ports/sysdeps/ia64/fpu/fegetround.c
+++ b/ports/sysdeps/ia64/fpu/fegetround.c
@@ -1,5 +1,5 @@
 /* Return current rounding direction.
-   Copyright (C) 1999, 2000 Free Software Foundation, Inc.
+   Copyright (C) 1999-2012 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Christian Boissat <Christian.Boissat@cern.ch>, 1999.
 
@@ -17,14 +17,10 @@
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
-#include <fenv.h>
+#include <get-rounding-mode.h>
 
 int
 fegetround (void)
 {
-  fenv_t fpsr;
-
-  __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr));
-
-  return (fpsr >> 10) & 3;
+  return get_rounding_mode ();
 }
diff --git a/ports/sysdeps/ia64/fpu/get-rounding-mode.h b/ports/sysdeps/ia64/fpu/get-rounding-mode.h
new file mode 100644
index 0000000..1e18473
--- /dev/null
+++ b/ports/sysdeps/ia64/fpu/get-rounding-mode.h
@@ -0,0 +1,37 @@
+/* Return current rounding direction within libc.  IA64 version.
+   Copyright (C) 1999-2012 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Christian Boissat <Christian.Boissat@cern.ch>, 1999.
+
+   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/>.  */
+
+#ifndef IA64_GET_ROUNDING_MODE_H
+#define IA64_GET_ROUNDING_MODE_H	1
+
+#include <fenv.h>
+
+/* Return the floating-point rounding mode.  */
+
+static inline int
+get_rounding_mode (void)
+{
+  fenv_t fpsr;
+
+  __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr));
+
+  return (fpsr >> 10) & 3;
+}
+
+#endif /* get-rounding-mode.h */
-- 
1.7.12