From 6c9b0f68267cf365d060d4e51e7cb8f61498b875 Mon Sep 17 00:00:00 2001
From: Joseph Myers <joseph@codesourcery.com>
Date: Wed, 12 Sep 2012 23:36:19 +0000
Subject: Make strtod respect the rounding mode (bug 14518).

---
 ports/ChangeLog.arm                             |  4 +++
 ports/ChangeLog.powerpc                         |  4 +++
 ports/sysdeps/arm/get-rounding-mode.h           | 42 +++++++++++++++++++++++++
 ports/sysdeps/powerpc/nofpu/get-rounding-mode.h | 35 +++++++++++++++++++++
 4 files changed, 85 insertions(+)
 create mode 100644 ports/sysdeps/arm/get-rounding-mode.h
 create mode 100644 ports/sysdeps/powerpc/nofpu/get-rounding-mode.h

(limited to 'ports')

diff --git a/ports/ChangeLog.arm b/ports/ChangeLog.arm
index 1fae5f7..a0c583b 100644
--- a/ports/ChangeLog.arm
+++ b/ports/ChangeLog.arm
@@ -1,3 +1,7 @@
+2012-09-12  Joseph Myers  <joseph@codesourcery.com>
+
+	* sysdeps/arm/get-rounding-mode.h: New file.
+
 2012-08-27  Joseph Myers  <joseph@codesourcery.com>
 
 	* sysdeps/unix/sysv/linux/arm/kernel-features.h
diff --git a/ports/ChangeLog.powerpc b/ports/ChangeLog.powerpc
index c8a8584..af98f82 100644
--- a/ports/ChangeLog.powerpc
+++ b/ports/ChangeLog.powerpc
@@ -1,3 +1,7 @@
+2012-09-12  Joseph Myers  <joseph@codesourcery.com>
+
+	* sysdeps/powerpc/nofpu/get-rounding-mode.h: New file.
+
 2012-07-25  Florian Weimer  <fweimer@redhat.com>
 
 	* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/nptl/libc.abilist:
diff --git a/ports/sysdeps/arm/get-rounding-mode.h b/ports/sysdeps/arm/get-rounding-mode.h
new file mode 100644
index 0000000..a614fe4
--- /dev/null
+++ b/ports/sysdeps/arm/get-rounding-mode.h
@@ -0,0 +1,42 @@
+/* Determine floating-point rounding mode within libc.  ARM version.
+   Copyright (C) 2012 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 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 _ARM_GET_ROUNDING_MODE_H
+#define _ARM_GET_ROUNDING_MODE_H	1
+
+#include <arm-features.h>
+#include <fenv.h>
+#include <fpu_control.h>
+
+/* Return the floating-point rounding mode.  */
+
+static inline int
+get_rounding_mode (void)
+{
+  if (ARM_HAVE_VFP)
+    {
+      fpu_control_t fc;
+
+      _FPU_GETCW (fc);
+      return fc & FE_TOWARDZERO;
+    }
+  else
+    return FE_TONEAREST;
+}
+
+#endif /* get-rounding-mode.h */
diff --git a/ports/sysdeps/powerpc/nofpu/get-rounding-mode.h b/ports/sysdeps/powerpc/nofpu/get-rounding-mode.h
new file mode 100644
index 0000000..14be20f
--- /dev/null
+++ b/ports/sysdeps/powerpc/nofpu/get-rounding-mode.h
@@ -0,0 +1,35 @@
+/* Determine floating-point rounding mode within libc.  PowerPC
+   soft-float version.
+   Copyright (C) 2012 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 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 _POWERPC_NOFPU_GET_ROUNDING_MODE_H
+#define _POWERPC_NOFPU_GET_ROUNDING_MODE_H	1
+
+#include <fenv.h>
+
+#include "soft-supp.h"
+
+/* Return the floating-point rounding mode.  */
+
+static inline int
+get_rounding_mode (void)
+{
+  return __sim_round_mode;
+}
+
+#endif /* get-rounding-mode.h */
-- 
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