From: Carlos O'Donell <carlos@systemhalted.org>
Date: Mon, 19 Nov 2012 05:44:00 +0000 (-0500)
Subject: hppa: Fix fesetenv for FE_DFL_ENV.
X-Git-Tag: upstream/2.20~2936
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=da66ca0fc0d099b381b0bee96eae9be378417e0e;p=platform%2Fupstream%2Flinaro-glibc.git

hppa: Fix fesetenv for FE_DFL_ENV.

Switching back to FE_DFL_ENV should reset the FPU to the state
as it was at the start of the program.
---

diff --git a/ports/ChangeLog.hppa b/ports/ChangeLog.hppa
index 4088793..3f7bd6e 100644
--- a/ports/ChangeLog.hppa
+++ b/ports/ChangeLog.hppa
@@ -1,5 +1,7 @@
 2012-11-18  Carlos O'Donell  <carlos@systemhalted.org>
 
+	* sysdeps/hppa/fpu/fesetenv.c: Reset FPU to default for FE_DFL_ENV.
+
 	* sysdeps/hppa/get-rounding-mode.h: New file.
 	* sysdeps/hppa/fpu/fegetround.c: Use get_rounding_mode.
 
diff --git a/ports/sysdeps/hppa/fpu/fegetround.c b/ports/sysdeps/hppa/fpu/fegetround.c
index 70d2e47..d603e66 100644
--- a/ports/sysdeps/hppa/fpu/fegetround.c
+++ b/ports/sysdeps/hppa/fpu/fegetround.c
@@ -1,5 +1,5 @@
 /* Return current rounding direction.
-   Copyright (C) 2000 Free Software Foundation, Inc.
+   Copyright (C) 2000-2012 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by David Huggins-Daines <dhd@debian.org>, 2000
 
@@ -17,17 +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)
 {
-  union { unsigned long long l; unsigned int sw[2] } s;
-
-  /* Get the current status word. */
-  __asm__ ("fstd %%fr0,0(%1)	\n\t" 
-	   "fldd 0(%1),%%fr0	\n\t" 
-           : "=m" (s.l) : "r" (&s.l));
-
-  return (s.sw[0] & FE_DOWNWARD);
+  return get_rounding_mode ();
 }