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authorCarlos O'Donell <carlos@systemhalted.org>2012-11-19 00:44:00 -0500
committerCarlos O'Donell <carlos@systemhalted.org>2012-11-19 00:44:00 -0500
commitda66ca0fc0d099b381b0bee96eae9be378417e0e (patch)
tree0d478c61813b7ff079bf6d17705147b335b9d481
parent886ce148c046f5ecc0b2c60f2c6858c0722d601f (diff)
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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.
-rw-r--r--ports/ChangeLog.hppa2
-rw-r--r--ports/sysdeps/hppa/fpu/fegetround.c13
2 files changed, 5 insertions, 10 deletions
diff --git a/ports/ChangeLog.hppa b/ports/ChangeLog.hppa
index 4088793a43..3f7bd6e5e0 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 70d2e476fe..d603e66f13 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 ();
}