--- a/gcc/params.h	Sun Aug 21 07:07:55 2011 +0900
+++ b/gcc/params.h	Fri Oct 27 22:46:09 2017 +0900
@@ -1,6 +1,5 @@
 /* params.h - Run-time parameters.
-   Copyright (C) 2001, 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011
-   Free Software Foundation, Inc.
+   Copyright (C) 2001-2017 Free Software Foundation, Inc.
    Written by Mark Mitchell <mark@codesourcery.com>.
 
 This file is part of GCC.
@@ -39,11 +38,11 @@
 
 /* The information associated with each parameter.  */
 
-typedef struct param_info
+struct param_info
 {
   /* The name used with the `--param <name>=<value>' switch to set this
      value.  */
-  const char *const option;
+  const char *option;
 
   /* The default value.  */
   int default_value;
@@ -55,8 +54,11 @@
   int max_value;
 
   /* A short description of the option.  */
-  const char *const help;
-} param_info;
+  const char *help;
+
+  /* The optional names corresponding to the values.  */
+  const char **value_names;
+};
 
 /* An array containing the compiler parameters and their current
    values.  */
@@ -80,14 +82,15 @@
 
 /* The parameters in use by language-independent code.  */
 
-typedef enum compiler_param
+enum compiler_param
 {
-#define DEFPARAM(enumerator, option, msgid, default, min, max) \
-  enumerator,
-#include "params.def"
-#undef DEFPARAM
+#include "params.list"
   LAST_PARAM
-} compiler_param;
+};
+
+extern bool find_param (const char *, enum compiler_param *);
+extern const char *find_param_fuzzy (const char *name);
+extern bool param_string_value_p (enum compiler_param, const char *, int *);
 
 /* The value of the parameter given by ENUM.  Not an lvalue.  */
 #define PARAM_VALUE(ENUM) \
@@ -105,10 +108,19 @@
 
 extern void set_default_param_value (compiler_param num, int value);
 
+/* Add all parameters and default values that can be set in both the
+   driver and the compiler proper.  */
+
+extern void global_init_params (void);
+
 /* Note that all parameters have been added and all default values
    set.  */
 extern void finish_params (void);
 
+/* Reset all state in params.c  */
+
+extern void params_c_finalize (void);
+
 /* Return the default value of parameter NUM.  */
 
 extern int default_param_value (compiler_param num);
@@ -118,8 +130,6 @@
 extern void init_param_values (int *params);
 
 /* Macros for the various parameters.  */
-#define STRUCT_REORG_COLD_STRUCT_RATIO \
-  PARAM_VALUE (PARAM_STRUCT_REORG_COLD_STRUCT_RATIO)
 #define MAX_INLINE_INSNS_SINGLE \
   PARAM_VALUE (PARAM_MAX_INLINE_INSNS_SINGLE)
 #define MAX_INLINE_INSNS \
@@ -194,6 +204,10 @@
   PARAM_VALUE (PARAM_IRA_MAX_CONFLICT_TABLE_SIZE)
 #define IRA_LOOP_RESERVED_REGS \
   PARAM_VALUE (PARAM_IRA_LOOP_RESERVED_REGS)
+#define LRA_MAX_CONSIDERED_RELOAD_PSEUDOS \
+  PARAM_VALUE (PARAM_LRA_MAX_CONSIDERED_RELOAD_PSEUDOS)
+#define LRA_INHERITANCE_EBB_PROBABILITY_CUTOFF \
+  PARAM_VALUE (PARAM_LRA_INHERITANCE_EBB_PROBABILITY_CUTOFF)
 #define SWITCH_CONVERSION_BRANCH_RATIO \
   PARAM_VALUE (PARAM_SWITCH_CONVERSION_BRANCH_RATIO)
 #define LOOP_INVARIANT_MAX_BBS_IN_LOOP \
@@ -206,4 +220,33 @@
   PARAM_VALUE (PARAM_PREFETCH_MIN_INSN_TO_MEM_RATIO)
 #define MIN_NONDEBUG_INSN_UID \
   PARAM_VALUE (PARAM_MIN_NONDEBUG_INSN_UID)
+#define MAX_STORES_TO_SINK \
+  PARAM_VALUE (PARAM_MAX_STORES_TO_SINK)
+#define ALLOW_LOAD_DATA_RACES \
+  PARAM_VALUE (PARAM_ALLOW_LOAD_DATA_RACES)
+#define ALLOW_STORE_DATA_RACES \
+  PARAM_VALUE (PARAM_ALLOW_STORE_DATA_RACES)
+#define ALLOW_PACKED_LOAD_DATA_RACES \
+  PARAM_VALUE (PARAM_ALLOW_PACKED_LOAD_DATA_RACES)
+#define ALLOW_PACKED_STORE_DATA_RACES \
+  PARAM_VALUE (PARAM_ALLOW_PACKED_STORE_DATA_RACES)
+#define ASAN_STACK \
+  PARAM_VALUE (PARAM_ASAN_STACK)
+#define ASAN_PROTECT_ALLOCAS \
+  PARAM_VALUE (PARAM_ASAN_PROTECT_ALLOCAS)
+#define ASAN_GLOBALS \
+  PARAM_VALUE (PARAM_ASAN_GLOBALS)
+#define ASAN_INSTRUMENT_READS \
+  PARAM_VALUE (PARAM_ASAN_INSTRUMENT_READS)
+#define ASAN_INSTRUMENT_WRITES \
+  PARAM_VALUE (PARAM_ASAN_INSTRUMENT_WRITES)
+#define ASAN_MEMINTRIN \
+  PARAM_VALUE (PARAM_ASAN_MEMINTRIN)
+#define ASAN_USE_AFTER_RETURN \
+  PARAM_VALUE (PARAM_ASAN_USE_AFTER_RETURN)
+#define ASAN_INSTRUMENTATION_WITH_CALL_THRESHOLD \
+  PARAM_VALUE (PARAM_ASAN_INSTRUMENTATION_WITH_CALL_THRESHOLD)
+#define ASAN_PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD \
+  ((unsigned) PARAM_VALUE (PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD))
+
 #endif /* ! GCC_PARAMS_H */