From c05b4211fafbc52be090039d7e2afd4d773588c1 Mon Sep 17 00:00:00 2001
From: "Justin C. Miller" <justin@devjustinian.com>
Date: Tue, 13 Feb 2024 20:06:10 -0800
Subject: [PATCH] [libj6] Make sure thread stacks are aligned

Stacks were not 16-byte aligned when coming into j6::thread::init_proc,
make sure it aligns stacks for SSE by adding the `force_align_arg_pointer`
attribute.
---
 src/libraries/j6/include/j6/thread.hh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/libraries/j6/include/j6/thread.hh b/src/libraries/j6/include/j6/thread.hh
index f61f222..e476541 100644
--- a/src/libraries/j6/include/j6/thread.hh
+++ b/src/libraries/j6/include/j6/thread.hh
@@ -69,6 +69,7 @@ public:
     thread(const thread&) = delete;
 
 private:
+    __attribute__ ((force_align_arg_pointer))
     static void init_proc(thread *t)
     {
         t->m_proc();