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-rw-r--r--gcc-4.9/gcc/common/config/ia64/ia64-common.c113
1 files changed, 113 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/common/config/ia64/ia64-common.c b/gcc-4.9/gcc/common/config/ia64/ia64-common.c
new file mode 100644
index 000000000..44cfa316a
--- /dev/null
+++ b/gcc-4.9/gcc/common/config/ia64/ia64-common.c
@@ -0,0 +1,113 @@
+/* Common hooks for IA64.
+ Copyright (C) 1999-2014 Free Software Foundation, Inc.
+
+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 "diagnostic-core.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"
+#include "params.h"
+
+/* Implement overriding of the optimization options. */
+static const struct default_options ia64_option_optimization_table[] =
+ {
+ { OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 },
+#ifdef SUBTARGET_OPTIMIZATION_OPTIONS
+ SUBTARGET_OPTIMIZATION_OPTIONS,
+#endif
+ { OPT_LEVELS_NONE, 0, NULL, 0 }
+ };
+
+/* Implement TARGET_HANDLE_OPTION. */
+
+static bool
+ia64_handle_option (struct gcc_options *opts ATTRIBUTE_UNUSED,
+ struct gcc_options *opts_set ATTRIBUTE_UNUSED,
+ const struct cl_decoded_option *decoded,
+ location_t loc)
+{
+ size_t code = decoded->opt_index;
+ const char *arg = decoded->arg;
+ int value = decoded->value;
+
+ switch (code)
+ {
+ case OPT_mtls_size_:
+ if (value != 14 && value != 22 && value != 64)
+ error_at (loc, "bad value %<%s%> for -mtls-size= switch", arg);
+ return true;
+
+ default:
+ return true;
+ }
+}
+
+/* Implement TARGET_EXCEPT_UNWIND_INFO. */
+
+enum unwind_info_type
+ia64_except_unwind_info (struct gcc_options *opts)
+{
+ /* Honor the --enable-sjlj-exceptions configure switch. */
+#ifdef CONFIG_SJLJ_EXCEPTIONS
+ if (CONFIG_SJLJ_EXCEPTIONS)
+ return UI_SJLJ;
+#endif
+
+ /* For simplicity elsewhere in this file, indicate that all unwind
+ info is disabled if we're not emitting unwind tables. */
+ if (!opts->x_flag_exceptions && !opts->x_flag_unwind_tables)
+ return UI_NONE;
+
+ return UI_TARGET;
+}
+
+/* Implement TARGET_OPTION_DEFAULT_PARAMS. */
+
+static void
+ia64_option_default_params (void)
+{
+ /* Let the scheduler form additional regions. */
+ set_default_param_value (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS, 2);
+
+ /* Set the default values for cache-related parameters. */
+ set_default_param_value (PARAM_SIMULTANEOUS_PREFETCHES, 6);
+ set_default_param_value (PARAM_L1_CACHE_LINE_SIZE, 32);
+
+ set_default_param_value (PARAM_SCHED_MEM_TRUE_DEP_COST, 4);
+}
+
+#undef TARGET_OPTION_OPTIMIZATION_TABLE
+#define TARGET_OPTION_OPTIMIZATION_TABLE ia64_option_optimization_table
+#undef TARGET_OPTION_DEFAULT_PARAMS
+#define TARGET_OPTION_DEFAULT_PARAMS ia64_option_default_params
+
+#undef TARGET_EXCEPT_UNWIND_INFO
+#define TARGET_EXCEPT_UNWIND_INFO ia64_except_unwind_info
+
+#undef TARGET_DEFAULT_TARGET_FLAGS
+#define TARGET_DEFAULT_TARGET_FLAGS (TARGET_DEFAULT | TARGET_CPU_DEFAULT)
+#undef TARGET_HANDLE_OPTION
+#define TARGET_HANDLE_OPTION ia64_handle_option
+
+struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;