* params.c: Include common/common-target.h. Don't include tm.h.

	(lang_independent_params): Move from toplev.c.
	(global_init_params): New.
	* params.h (global_init_params): Declare.
	* target.def (default_params): Move to common-target.def.
	* toplev.c (lang_independent_options): Remove.
	(lang_independent_params): Move to params.c.
	(general_init): Use global_init_params.
	* common/common-target.def (option_default_params): Move from
	target.def.
	* common/config/ia64/ia64-common.c: Include params.h.
	(ia64_option_default_params, TARGET_OPTION_DEFAULT_PARAMS): Move
	from ia64.c.
	* common/config/rs6000/rs6000-common.c: Include params.h.
	(rs6000_option_default_params, TARGET_OPTION_DEFAULT_PARAMS): Move
	from rs6000.c.
	* common/config/sh/sh-common.c: Include params.h.
	(sh_option_default_params, TARGET_OPTION_DEFAULT_PARAMS): Move
	from sh.c.
	* common/config/spu/spu-common.c: Include params.h.
	(spu_option_default_params, TARGET_OPTION_DEFAULT_PARAMS): Move
	from spu.c.
	* config/ia64/ia64.c (ia64_option_default_params,
	TARGET_OPTION_DEFAULT_PARAMS): Move to ia64-common.c.
	* config/rs6000/rs6000.c (rs6000_option_default_params,
	TARGET_OPTION_DEFAULT_PARAMS): Move to rs6000-common.c.
	* config/sh/sh.c (sh_option_default_params,
	TARGET_OPTION_DEFAULT_PARAMS): Move to sh-common.c.
	* config/spu/spu.c (spu_option_default_params,
	TARGET_OPTION_DEFAULT_PARAMS): Move to spu-common.c.
	* Makefile.in (OBJS): Remove params.o.
	(OBJS-libcommon-target): Add params.o.
	(params.o, $(common_out_object_file)): Update dependencies.
	* doc/tm.texi: Regenerate.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@175330 138bc75d-0d04-0410-961f-82ee72b054a4

5 files changed, 61 insertions, 0 deletions

diff --git a/gcc/common/common-target.def b/gcc/common/common-target.def
index ab89758221a..d8ede82e5b6 100644
--- a/gcc/common/common-target.def
+++ b/gcc/common/common-target.def
@@ -50,6 +50,13 @@ DEFHOOKPOD
  "",
  const struct default_options *, empty_optimization_table)
 
+DEFHOOK
+(option_default_params,
+"Set target-dependent default values for @option{--param} settings, using\
+ calls to @code{set_default_param_value}.",
+ void, (void),
+ hook_void_void)
+
 /* The initial value of target_flags.  */
 DEFHOOKPOD
 (default_target_flags,
diff --git a/gcc/common/config/ia64/ia64-common.c b/gcc/common/config/ia64/ia64-common.c
index 8c86ff49e68..11682532704 100644
--- a/gcc/common/config/ia64/ia64-common.c
+++ b/gcc/common/config/ia64/ia64-common.c
@@ -29,6 +29,7 @@ along with GCC; see the file COPYING3.  If not see
 #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[] =
@@ -83,8 +84,25 @@ ia64_except_unwind_info (struct gcc_options *opts)
   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
diff --git a/gcc/common/config/rs6000/rs6000-common.c b/gcc/common/config/rs6000/rs6000-common.c
index 0482c07d7a9..683240f27ba 100644
--- a/gcc/common/config/rs6000/rs6000-common.c
+++ b/gcc/common/config/rs6000/rs6000-common.c
@@ -28,6 +28,7 @@
 #include "common/common-target-def.h"
 #include "opts.h"
 #include "flags.h"
+#include "params.h"
 
 /* Implement TARGET_OPTION_OPTIMIZATION_TABLE.  */
 static const struct default_options rs6000_option_optimization_table[] =
@@ -51,6 +52,15 @@ rs6000_option_init_struct (struct gcc_options *opts)
     opts->x_flag_section_anchors = 1;
 }
 
+/* Implement TARGET_OPTION_DEFAULT_PARAMS.  */
+
+static void
+rs6000_option_default_params (void)
+{
+  /* Double growth factor to counter reduced min jump length.  */
+  set_default_param_value (PARAM_MAX_GROW_COPY_BB_INSNS, 16);
+}
+
 /* If not otherwise specified by a target, make 'long double' equivalent to
    'double'.  */
 
@@ -316,6 +326,9 @@ rs6000_handle_option (struct gcc_options *opts, struct gcc_options *opts_set,
 #undef TARGET_OPTION_INIT_STRUCT
 #define TARGET_OPTION_INIT_STRUCT rs6000_option_init_struct
 
+#undef TARGET_OPTION_DEFAULT_PARAMS
+#define TARGET_OPTION_DEFAULT_PARAMS rs6000_option_default_params
+
 #undef TARGET_OPTION_OPTIMIZATION_TABLE
 #define TARGET_OPTION_OPTIMIZATION_TABLE rs6000_option_optimization_table
 
diff --git a/gcc/common/config/sh/sh-common.c b/gcc/common/config/sh/sh-common.c
index 8677fd49174..5a0c062e709 100644
--- a/gcc/common/config/sh/sh-common.c
+++ b/gcc/common/config/sh/sh-common.c
@@ -27,6 +27,7 @@ along with GCC; see the file COPYING3.  If not see
 #include "common/common-target-def.h"
 #include "opts.h"
 #include "flags.h"
+#include "params.h"
 
 /* Set default optimization options.  */
 static const struct default_options sh_option_optimization_table[] =
@@ -196,10 +197,19 @@ sh_option_init_struct (struct gcc_options *opts)
   opts->x_flag_finite_math_only = 2;
 }
 
+/* Implement TARGET_OPTION_DEFAULT_PARAMS.  */
+static void
+sh_option_default_params (void)
+{
+  set_default_param_value (PARAM_SIMULTANEOUS_PREFETCHES, 2);
+}
+
 #undef TARGET_OPTION_OPTIMIZATION_TABLE
 #define TARGET_OPTION_OPTIMIZATION_TABLE sh_option_optimization_table
 #undef TARGET_OPTION_INIT_STRUCT
 #define TARGET_OPTION_INIT_STRUCT sh_option_init_struct
+#undef TARGET_OPTION_DEFAULT_PARAMS
+#define TARGET_OPTION_DEFAULT_PARAMS sh_option_default_params
 #undef TARGET_DEFAULT_TARGET_FLAGS
 #define TARGET_DEFAULT_TARGET_FLAGS TARGET_DEFAULT
 #undef TARGET_HANDLE_OPTION
diff --git a/gcc/common/config/spu/spu-common.c b/gcc/common/config/spu/spu-common.c
index d4a9f3c7cd9..421de7e847e 100644
--- a/gcc/common/config/spu/spu-common.c
+++ b/gcc/common/config/spu/spu-common.c
@@ -24,6 +24,7 @@
 #include "common/common-target-def.h"
 #include "opts.h"
 #include "flags.h"
+#include "params.h"
 
 static void
 spu_option_init_struct (struct gcc_options *opts)
@@ -32,12 +33,24 @@ spu_option_init_struct (struct gcc_options *opts)
   opts->x_flag_rename_registers = 1;
 }
 
+/* Implement TARGET_OPTION_DEFAULT_PARAMS.  */
+static void
+spu_option_default_params (void)
+{
+  /* Override some of the default param values.  With so many registers
+     larger values are better for these params.  */
+  set_default_param_value (PARAM_MAX_PENDING_LIST_LENGTH, 128);
+}
+
 #undef TARGET_DEFAULT_TARGET_FLAGS
 #define TARGET_DEFAULT_TARGET_FLAGS (TARGET_DEFAULT)
 
 #undef TARGET_OPTION_INIT_STRUCT
 #define TARGET_OPTION_INIT_STRUCT spu_option_init_struct
 
+#undef TARGET_OPTION_DEFAULT_PARAMS
+#define TARGET_OPTION_DEFAULT_PARAMS spu_option_default_params
+
 #undef TARGET_EXCEPT_UNWIND_INFO
 #define TARGET_EXCEPT_UNWIND_INFO  sjlj_except_unwind_info