$NetBSD$

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

--- gcc/doc/tm.texi.in
+++ gcc/doc/tm.texi.in
@@ -949,6 +949,8 @@ applied.

 @hook TARGET_PROMOTE_FUNCTION_MODE

+@hook TARGET_PROMOTE_FUNCTION_MODE_CA
+
 @defmac PARM_BOUNDARY
 Normal alignment required for function parameters on the stack, in
 bits.  All stack parameters receive at least this much alignment
@@ -3441,8 +3443,12 @@ required.

 @hook TARGET_FUNCTION_ARG_BOUNDARY

+@hook TARGET_FUNCTION_ARG_BOUNDARY_CA
+
 @hook TARGET_FUNCTION_ARG_ROUND_BOUNDARY

+@hook TARGET_FUNCTION_ARG_ROUND_BOUNDARY_CA
+
 @defmac FUNCTION_ARG_REGNO_P (@var{regno})
 A C expression that is nonzero if @var{regno} is the number of a hard
 register in which function arguments are sometimes passed.  This does
@@ -8099,6 +8105,8 @@ maintainer is familiar with.

 @hook TARGET_RUN_TARGET_SELFTESTS

+@hook TARGET_UNREACHABLE_SHOULD_TRAP
+
 @hook TARGET_MEMTAG_CAN_TAG_ADDRESSES

 @hook TARGET_MEMTAG_TAG_SIZE