From 0ecc6332b4eb1ced547ffa38f57471134aaa4d13 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alex=20R=C3=B8nne=20Petersen?= <alex@alexrp.com>
Date: Thu, 29 Aug 2024 16:07:46 +0200
Subject: [PATCH] start: Fix arm stack alignment code to work for thumb too.

---
 lib/std/start.zig | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/std/start.zig b/lib/std/start.zig
index ea6f347bd6..5c94a4b591 100644
--- a/lib/std/start.zig
+++ b/lib/std/start.zig
@@ -283,7 +283,9 @@ fn _start() callconv(.Naked) noreturn {
             \\ mov fp, #0
             \\ mov lr, #0
             \\ mov a1, sp
-            \\ and sp, #-16
+            \\ mov ip, sp
+            \\ and ip, ip, #-16
+            \\ mov sp, ip
             \\ b %[posixCallMainAndExit]
             ,
             .csky =>