From d3bf6c518f304741140a6a51236daefe5c87c0ef Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alex=20R=C3=B8nne=20Petersen?= <alex@alexrp.com>
Date: Mon, 7 Apr 2025 13:08:40 +0200
Subject: [PATCH] start: Align the stack on m68k.

---
 lib/std/start.zig | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/std/start.zig b/lib/std/start.zig
index e91201a0bb..90255e0a1b 100644
--- a/lib/std/start.zig
+++ b/lib/std/start.zig
@@ -366,7 +366,11 @@ fn _start() callconv(.naked) noreturn {
             // Note that the - 8 is needed because pc in the jsr instruction points into the middle
             // of the jsr instruction. (The lea is 6 bytes, the jsr is 4 bytes.)
             \\ suba.l %%fp, %%fp
-            \\ move.l %%sp, -(%%sp)
+            \\ move.l %%sp, %%a0
+            \\ move.l %%a0, %%d0
+            \\ and.l #-4, %%d0
+            \\ move.l %%d0, %%sp
+            \\ move.l %%a0, -(%%sp)
             \\ lea %[posixCallMainAndExit] - . - 8, %%a0
             \\ jsr (%%pc, %%a0)
             ,