$NetBSD$

Support Darwin/aarch64, from https://github.com/Homebrew/formula-patches.

--- gcc/target.def
+++ gcc/target.def
@@ -4680,6 +4680,13 @@ if you would like to apply the same rules given by @code{PROMOTE_MODE}.",
 		     const_tree funtype, int for_return),
  default_promote_function_mode)

+DEFHOOK
+(promote_function_mode_ca,
+ "Like @code{promote_function_mode}, but takes a cumulative_args pointer \
+  and a current arg to supply the input.",
+ machine_mode, (cumulative_args_t, function_arg_info, const_tree, int *, int),
+ default_promote_function_mode_ca)
+
 DEFHOOK
 (promote_prototypes,
  "This target hook returns @code{true} if an argument declared in a\n\
@@ -5133,6 +5140,18 @@ with the specified mode and type.  The default hook returns\n\
  unsigned int, (machine_mode mode, const_tree type),
  default_function_arg_boundary)

+DEFHOOK
+(function_arg_boundary_ca,
+ "This is the @code{cumulative_args_t}-based version of\n\
+@code{TARGET_FUNCTION_ARG_BOUNDARY}. Define this hook if you need more\n\
+fine-grained control over argument alignment, e.g. depending on whether\n\
+it is a named argument or not, or any other criteria that you choose to\n\
+place in the @var{ca} structure.\n\
+\n\
+The default hook will call @code{TARGET_FUNCTION_ARG_BOUNDARY}.",
+ unsigned int, (machine_mode mode, const_tree type, cumulative_args_t ca),
+ default_function_arg_boundary_ca)
+
 DEFHOOK
 (function_arg_round_boundary,
  "Normally, the size of an argument is rounded up to @code{PARM_BOUNDARY},\n\
@@ -5142,6 +5161,18 @@ value.",
  unsigned int, (machine_mode mode, const_tree type),
  default_function_arg_round_boundary)

+DEFHOOK
+(function_arg_round_boundary_ca,
+ "This is the @code{cumulative_args_t}-based version of\n\
+@code{TARGET_FUNCTION_ARG_ROUND_BOUNDARY}. Define this hook if you need more\n\
+fine-grained control over argument size rounding, e.g. depending on whether\n\
+it is a named argument or not, or any other criteria that you choose to\n\
+place in the @var{ca} structure.\n\
+\n\
+The default hook will call @code{TARGET_FUNCTION_ARG_ROUND_BOUNDARY}.",
+ unsigned int, (machine_mode mode, const_tree type, cumulative_args_t ca),
+ default_function_arg_round_boundary_ca)
+
 /* Return the diagnostic message string if function without a prototype
    is not allowed for this 'val' argument; NULL otherwise. */
 DEFHOOK
@@ -7389,6 +7420,16 @@ DEFHOOKPOD
 libatomic.  The default value is false.",
  bool, false)

+/* This value represents whether __builtin_unreachable should be expanded
+   as a trap instruction (or an abort() if the trap is not available).  */
+DEFHOOK
+(unreachable_should_trap,
+ "This hook should return @code{true} if the target wants \
+  @code{__builtin_unreachable} to expand to a trap or @code{abort ()}.\n\
+  The default value is false.",
+ bool, (void),
+ hook_bool_void_false)
+
 /* Close the 'struct gcc_target' definition.  */
 HOOK_VECTOR_END (C90_EMPTY_HACK)