hppa: Implement get-rounding-mode.h

Implement get_rounding_mode using the new fpu_control.h
support. Use get_rounding_mode from fegetround.

diff --git a/ports/ChangeLog.hppa b/ports/ChangeLog.hppa
index 3d8e9e666137728cff9e14ee47950cb9fd888272..4088793a4399112fdeb9a436a41a5962d5ec7483 100644 (file)
--- a/ports/ChangeLog.hppa
+++ b/ports/ChangeLog.hppa
@@ -1,5 +1,8 @@
 2012-11-18  Carlos O'Donell  <carlos@systemhalted.org>
 
+       * sysdeps/hppa/get-rounding-mode.h: New file.
+       * sysdeps/hppa/fpu/fegetround.c: Use get_rounding_mode.
+
        * ports/sysdeps/hppa/fpu/fpu_control.h: New file.
 
        * ports/sysdeps/hppa/__longjmp.S: Removed.

diff --git a/ports/sysdeps/hppa/fpu/fesetenv.c b/ports/sysdeps/hppa/fpu/fesetenv.c
index e768bb2c3736282e5f23dc450544e86c847fbb6d..7a09e4de79dc137b81c8f739599c1e79ea8ca952 100644 (file)
--- a/ports/sysdeps/hppa/fpu/fesetenv.c
+++ b/ports/sysdeps/hppa/fpu/fesetenv.c
@@ -40,7 +40,7 @@ fesetenv (const fenv_t *envp)
                            | (FE_ALL_EXCEPT << 27)
                            | FE_DOWNWARD);
   if (envp == FE_DFL_ENV)
-    ;
+    temp.env.__status_word = 0;
   else if (envp == FE_NOMASK_ENV)
     temp.env.__status_word |= FE_ALL_EXCEPT;
   else

diff --git a/ports/sysdeps/hppa/get-rounding-mode.h b/ports/sysdeps/hppa/get-rounding-mode.h
new file mode 100644 (file)
index 0000000..16e5671
--- /dev/null
+++ b/ports/sysdeps/hppa/get-rounding-mode.h
@@ -0,0 +1,35 @@
+/* Determine floating-point rounding mode within libc.  HP-PARISC 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 _HPPA_GET_ROUNDING_MODE_H
+#define _HPPA_GET_ROUNDING_MODE_H      1
+
+#include <fenv.h>
+#include <fpu_control.h>
+
+/* Return the floating-point rounding mode.  */
+
+static inline int
+get_rounding_mode (void)
+{
+  fpu_control_t fc;
+  _FPU_GETCW (fc);
+  return fc & _FPU_HPPA_MASK_RM;
+}
+
+#endif /* get-rounding-mode.h */