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authorJoseph Myers <joseph@codesourcery.com>2013-11-28 18:01:41 +0000
committerJoseph Myers <joseph@codesourcery.com>2013-11-28 18:01:41 +0000
commit91a1f3fea0d6c5bc304562c313171d8cf765b910 (patch)
treecedfe14a991428df523ce3c88eb6ec5c7ce8bfdd /sysdeps/powerpc/nofpu/flt-rounds.c
parentc5df760908de1ccfd92571864bc44a3d54820ac6 (diff)
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Add powerpc-nofpu/e500 support functions for atomic compound assignment and FLT_ROUNDS.
Diffstat (limited to 'sysdeps/powerpc/nofpu/flt-rounds.c')
-rw-r--r--sysdeps/powerpc/nofpu/flt-rounds.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/sysdeps/powerpc/nofpu/flt-rounds.c b/sysdeps/powerpc/nofpu/flt-rounds.c
new file mode 100644
index 0000000000..ad2bf941d1
--- /dev/null
+++ b/sysdeps/powerpc/nofpu/flt-rounds.c
@@ -0,0 +1,38 @@
+/* Return current rounding mode as correct value for FLT_ROUNDS.
+   Copyright (C) 2013 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/>.  */
+
+#include "soft-fp.h"
+#include "soft-supp.h"
+
+int
+__flt_rounds (void)
+{
+  switch (__sim_round_mode_thread)
+    {
+    case FP_RND_ZERO:
+      return 0;
+    case FP_RND_NEAREST:
+      return 1;
+    case FP_RND_PINF:
+      return 2;
+    case FP_RND_MINF:
+      return 3;
+    default:
+      abort ();
+    }
+}