From f3a463000d4d777cf255bfebda3f51fba4ce8fcc Mon Sep 17 00:00:00 2001
From: gingerBill <bill@gingerbill.org>
Date: Mon, 29 May 2023 22:50:28 +0100
Subject: [PATCH] Fix #2561 - ARM64 ABI bug for homogenous structs with more
 than 4 elements

---
 src/llvm_abi.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/llvm_abi.cpp b/src/llvm_abi.cpp
index dabdd6829ea..82eeac5fb2b 100644
--- a/src/llvm_abi.cpp
+++ b/src/llvm_abi.cpp
@@ -1179,7 +1179,11 @@ namespace lbAbiArm64 {
 			if (is_register(type)) {
 				args[i] = non_struct(c, type);
 			} else if (is_homogenous_aggregate(c, type, &homo_base_type, &homo_member_count)) {
-				args[i] = lb_arg_type_direct(type, LLVMArrayType(homo_base_type, homo_member_count), nullptr, nullptr);
+				if (is_homogenous_aggregate_small_enough(homo_base_type, homo_member_count)) {
+					args[i] = lb_arg_type_direct(type, LLVMArrayType(homo_base_type, homo_member_count), nullptr, nullptr);
+				} else {
+					args[i] = lb_arg_type_indirect(type, nullptr);;
+				}
 			} else {
 				i64 size = lb_sizeof(type);
 				if (size <= 16) {