[AArch64][8/14] Implement TARGET_OPTION_VALID_ATTRIBUTE_P

	* common/config/aarch64/aarch64-common.c (aarch64_handle_option):
	Remove static.  Handle OPT_mgeneral_regs_only,
	OPT_mfix_cortex_a53_835769, OPT_mstrict_align,
	OPT_momit_leaf_frame_pointer.
	* config/aarch64/aarch64.c: Include opts.h and diagnostic.h
	(aarch64_attr_opt_type): New enum.
	(aarch64_attribute_info): New struct.
	(aarch64_handle_attr_arch): New function.
	(aarch64_handle_attr_cpu): Likewise.
	(aarch64_handle_attr_tune): Likewise.
	(aarch64_handle_attr_isa_flags): Likewise.
	(aarch64_attributes): New table.
	(aarch64_process_one_target_attr): New function.
	(num_occurences_in_str): Likewise.
	(aarch64_process_target_attr): Likewise.
	(aarch64_option_valid_attribute_p): Likewise.
	(TARGET_OPTION_VALID_ATTRIBUTE_P): Define.
	* config/aarch64/aarch64-protos.h: Include input.h
	(aarch64_handle_option): Declare prototype.

From-SVN: r226560

gcc/ChangeLog

 2015-08-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 
+	* common/config/aarch64/aarch64-common.c (aarch64_handle_option):
+	Remove static.  Handle OPT_mgeneral_regs_only,
+	OPT_mfix_cortex_a53_835769, OPT_mstrict_align,
+	OPT_momit_leaf_frame_pointer.
+	* config/aarch64/aarch64.c: Include opts.h and diagnostic.h
+	(aarch64_attr_opt_type): New enum.
+	(aarch64_attribute_info): New struct.
+	(aarch64_handle_attr_arch): New function.
+	(aarch64_handle_attr_cpu): Likewise.
+	(aarch64_handle_attr_tune): Likewise.
+	(aarch64_handle_attr_isa_flags): Likewise.
+	(aarch64_attributes): New table.
+	(aarch64_process_one_target_attr): New function.
+	(num_occurences_in_str): Likewise.
+	(aarch64_process_target_attr): Likewise.
+	(aarch64_option_valid_attribute_p): Likewise.
+	(TARGET_OPTION_VALID_ATTRIBUTE_P): Define.
+	* config/aarch64/aarch64-protos.h: Include input.h
+	(aarch64_handle_option): Declare prototype.
+
+2015-08-04  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
+
 	* config/aarch64/aarch64.h (SWITCHABLE_TARGET): Define.
 	* config/aarch64/aarch64.c: Include target-globals.h
 	(aarch64_previous_fndecl): New variable.

gcc/common/config/aarch64/aarch64-common.c

@@ -60,7 +60,7 @@ static const struct default_options aarch_option_optimization_table[] =
    respective component of -mcpu.  This logic is implemented
    in config/aarch64/aarch64.c:aarch64_override_options.  */
 
-static bool
+bool
 aarch64_handle_option (struct gcc_options *opts,
 		       struct gcc_options *opts_set ATTRIBUTE_UNUSED,
 		       const struct cl_decoded_option *decoded,
@@ -68,6 +68,7 @@ aarch64_handle_option (struct gcc_options *opts,
 {
   size_t code = decoded->opt_index;
   const char *arg = decoded->arg;
+  int val = decoded->value;
 
   switch (code)
     {
@@ -83,6 +84,22 @@ aarch64_handle_option (struct gcc_options *opts,
       opts->x_aarch64_tune_string = arg;
       return true;
 
+    case OPT_mgeneral_regs_only:
+      opts->x_target_flags |= MASK_GENERAL_REGS_ONLY;
+      return true;
+
+    case OPT_mfix_cortex_a53_835769:
+      opts->x_aarch64_fix_a53_err835769 = val;
+      return true;
+
+    case OPT_mstrict_align:
+      opts->x_target_flags |= MASK_STRICT_ALIGN;
+      return true;
+
+    case OPT_momit_leaf_frame_pointer:
+      opts->x_flag_omit_frame_pointer = val;
+      return true;
+
     default:
       return true;
     }

gcc/config/aarch64/aarch64-protos.h

@@ -22,6 +22,8 @@
 #ifndef GCC_AARCH64_PROTOS_H
 #define GCC_AARCH64_PROTOS_H
 
+#include "input.h"
+
 /*
   SYMBOL_CONTEXT_ADR
   The symbol is used in a load-address operation.
@@ -252,6 +254,8 @@ bool aarch64_float_const_zero_rtx_p (rtx);
 bool aarch64_function_arg_regno_p (unsigned);
 bool aarch64_gen_movmemqi (rtx *);
 bool aarch64_gimple_fold_builtin (gimple_stmt_iterator *);
+bool aarch64_handle_option (struct gcc_options *, struct gcc_options *,
+			     const struct cl_decoded_option *, location_t);
 bool aarch64_is_extend_from_extract (machine_mode, rtx, rtx);
 bool aarch64_is_long_call_p (rtx);
 bool aarch64_label_mentioned_p (rtx);