* config.gcc: Add support for --enable-e500_double.

[pf3gnuchains/gcc-fork.git] / gcc / config / rs6000 / e500-double.h

diff --git a/gcc/config/rs6000/e500-double.h b/gcc/config/rs6000/e500-double.h
new file mode 100644 (file)
index 0000000..5f0c734
--- /dev/null
+++ b/gcc/config/rs6000/e500-double.h
@@ -0,0 +1,25 @@
+/* Target definitions for E500 with double precision FP.
+   Copyright (C) 2004 Free Software Foundation, Inc.
+   Contributed by Aldy Hernandez (aldyh@redhat.com).
+
+   This file is part of GCC.
+
+   GCC is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published
+   by the Free Software Foundation; either version 2, or (at your
+   option) any later version.
+
+   GCC 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 General Public
+   License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with GCC; see the file COPYING.  If not, write to the
+   Free Software Foundation, 59 Temple Place - Suite 330, Boston,
+   MA 02111-1307, USA.  */
+
+#undef  SUB3TARGET_OVERRIDE_OPTIONS
+#define SUB3TARGET_OVERRIDE_OPTIONS \
+  if (rs6000_float_gprs_string == NULL) \
+    rs6000_float_gprs = 2;