2012-10-25 Basile Starynkevitch <basile@starynkevitch.net>

	MELT branch merged with trunk rev 192797 using svnmerge.py



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/melt-branch@192798 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 88 insertions, 0 deletions

diff --git a/gcc/common/config/aarch64/aarch64-common.c b/gcc/common/config/aarch64/aarch64-common.c
new file mode 100644
index 00000000000..bd249e126ee
--- /dev/null
+++ b/gcc/common/config/aarch64/aarch64-common.c
@@ -0,0 +1,88 @@
+/* Common hooks for AArch64.
+   Copyright (C) 2012 Free Software Foundation, Inc.
+   Contributed by ARM Ltd.
+
+   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 3, 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 COPYING3.  If not see
+   <http://www.gnu.org/licenses/>.  */
+
+#include "config.h"
+#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
+#include "tm_p.h"
+#include "common/common-target.h"
+#include "common/common-target-def.h"
+#include "opts.h"
+#include "flags.h"
+
+#ifdef  TARGET_BIG_ENDIAN_DEFAULT
+#undef  TARGET_DEFAULT_TARGET_FLAGS
+#define TARGET_DEFAULT_TARGET_FLAGS (MASK_BIG_END)
+#endif
+
+#undef  TARGET_HANDLE_OPTION
+#define TARGET_HANDLE_OPTION aarch64_handle_option
+
+#undef	TARGET_OPTION_OPTIMIZATION_TABLE
+#define TARGET_OPTION_OPTIMIZATION_TABLE aarch_option_optimization_table
+
+/* Set default optimization options.  */
+static const struct default_options aarch_option_optimization_table[] =
+  {
+    /* Enable section anchors by default at -O1 or higher.  */
+    { OPT_LEVELS_1_PLUS, OPT_fsection_anchors, NULL, 1 },
+    { OPT_LEVELS_NONE, 0, NULL, 0 }
+  };
+
+/* Implement TARGET_HANDLE_OPTION.
+   This function handles the target specific options for CPU/target selection.
+
+   march wins over mcpu, so when march is defined, mcpu takes the same value,
+   otherwise march remains undefined. mtune can be used with either march or
+   mcpu. If march and mcpu are used together, the rightmost option wins.
+   mtune can be used with either march or mcpu.  */
+
+static bool
+aarch64_handle_option (struct gcc_options *opts,
+		       struct gcc_options *opts_set ATTRIBUTE_UNUSED,
+		       const struct cl_decoded_option *decoded,
+		       location_t loc ATTRIBUTE_UNUSED)
+{
+  size_t code = decoded->opt_index;
+  const char *arg = decoded->arg;
+
+  switch (code)
+    {
+    case OPT_march_:
+      opts->x_aarch64_arch_string = arg;
+      opts->x_aarch64_cpu_string = arg;
+      return true;
+
+    case OPT_mcpu_:
+      opts->x_aarch64_cpu_string = arg;
+      opts->x_aarch64_arch_string = NULL;
+      return true;
+
+    case OPT_mtune_:
+      opts->x_aarch64_tune_string = arg;
+      return true;
+
+    default:
+      return true;
+    }
+}
+
+struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;