* params.c (set_param_value_internal): New.

	(set_param_value): Use set_param_value_internal.
	(maybe_set_param_value, set_default_param_value): New.
	* params.h (PARAM_VALUE, PARAM_SET_P): Make into rvalues.
	(maybe_set_param_value, set_default_param_value): Declare.
	* config/arm/arm.c (arm_option_override): Use
	maybe_set_param_value.
	* config/i386/i386.c (ix86_option_override_internal): Use
	maybe_set_param_value.
	* config/ia64/ia64.c (ia64_option_default_params,
	TARGET_OPTION_DEFAULT_PARAMS): New.
	(ia64_option_optimization): Move some code to
	ia64_option_default_params.
	* config/picochip/picochip.c (picochip_option_override): Use
	maybe_set_param_value.
	* config/rs6000/rs6000.c (rs6000_option_default_params,
	TARGET_OPTION_DEFAULT_PARAMS): New.
	(rs6000_option_override_internal): Use maybe_set_param_value.
	(rs6000_option_optimization): Move some code to
	rs6000_option_default_params.
	* config/s390/s390.c (s390_option_override): Use
	maybe_set_param_value.
	* config/sh/sh.c (sh_option_default_params,
	TARGET_OPTION_DEFAULT_PARAMS): New.
	(sh_option_optimization): Move some code to
	sh_option_default_params.
	* config/sparc/sparc.c (sparc_option_override): Use
	maybe_set_param_value.
	* config/spu/spu.c (spu_option_default_params,
	TARGET_OPTION_DEFAULT_PARAMS): New.
	(spu_option_optimization): Move some code to
	spu_option_default_params.
	(spu_option_override): Use maybe_set_param_value.
	* doc/tm.texi.in (TARGET_OPTION_DEFAULT_PARAMS): New @hook.
	* doc/tm.texi: Regenerate.
	* ggc-common.c (init_ggc_heuristics): Use set_default_param_value.
	* opts.c (init_options_once): Use PARAM_VALUE not direct access to
	compiler_params.
	(default_options_optimization): Use maybe_set_param_value.
	(finish_options): Use maybe_set_param_value.
	* target.def (target_option.default_params): New hook.
	* toplev.c (general_init): Call
	targetm.target_option.default_params.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@165303 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 16 insertions, 5 deletions

diff --git a/gcc/params.h b/gcc/params.h
index aa96c818f26..b924e781a1e 100644
--- a/gcc/params.h
+++ b/gcc/params.h
@@ -1,5 +1,5 @@
 /* params.h - Run-time parameters.
-   Copyright (C) 2001, 2003, 2004, 2005, 2007, 2008, 2009
+   Copyright (C) 2001, 2003, 2004, 2005, 2007, 2008, 2009, 2010
    Free Software Foundation, Inc.
    Written by Mark Mitchell <mark@codesourcery.com>.
 
@@ -88,13 +88,24 @@ typedef enum compiler_param
   LAST_PARAM
 } compiler_param;
 
-/* The value of the parameter given by ENUM.  */
+/* The value of the parameter given by ENUM.  Not an lvalue.  */
 #define PARAM_VALUE(ENUM) \
-  (compiler_params[(int) ENUM].value)
+  ((int) compiler_params[(int) ENUM].value)
 
-/* True if the value of the parameter was explicitly changed.  */
+/* Set the value of the parameter given by NUM to VALUE, implicitly,
+   if it has not been set explicitly by the user.  */
+
+extern void maybe_set_param_value (compiler_param num, int value);
+
+/* Set the default value of a parameter given by NUM to VALUE, before
+   option processing.  */
+
+extern void set_default_param_value (compiler_param num, int value);
+
+/* True if the value of the parameter was explicitly changed.  Not an
+   lvalue.  */
 #define PARAM_SET_P(ENUM) \
-  (compiler_params[(int) ENUM].set)
+  ((bool) compiler_params[(int) ENUM].set)
 
 /* Macros for the various parameters.  */
 #define STRUCT_REORG_COLD_STRUCT_RATIO \