From 81232f7c91ca8e0969e9d3f92cc11caeedc017d0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alex=20R=C3=B8nne=20Petersen?= <alex@alexrp.com>
Date: Mon, 22 Jul 2024 01:23:04 +0200
Subject: [PATCH] start: Add clrrdi to align the stack pointer on powerpc64.

---
 lib/std/start.zig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/std/start.zig b/lib/std/start.zig
index 28c77fa49e..e0f99b4762 100644
--- a/lib/std/start.zig
+++ b/lib/std/start.zig
@@ -340,10 +340,10 @@ fn _start() callconv(.Naked) noreturn {
             ,
             .powerpc64, .powerpc64le =>
             // Setup the initial stack frame and clear the back chain pointer.
-            // TODO: Support powerpc64 (big endian) on ELFv2.
             \\ addis 2, 12, .TOC. - _start@ha
             \\ addi 2, 2, .TOC. - _start@l
             \\ mr 3, 1
+            \\ clrrdi 1, 1, 4
             \\ li 0, 0
             \\ stdu 0, -32(1)
             \\ mtlr 0