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-rw-r--r--gcc-4.8.3/gcc/common/config/aarch64/aarch64-common.c88
1 files changed, 88 insertions, 0 deletions
diff --git a/gcc-4.8.3/gcc/common/config/aarch64/aarch64-common.c b/gcc-4.8.3/gcc/common/config/aarch64/aarch64-common.c
new file mode 100644
index 000000000..bb1aeec65
--- /dev/null
+++ b/gcc-4.8.3/gcc/common/config/aarch64/aarch64-common.c
@@ -0,0 +1,88 @@
+/* Common hooks for AArch64.
+ Copyright (C) 2012-2013 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;