From b945d3eb902113317ff66a6e830316c4d7ce10f5 Mon Sep 17 00:00:00 2001
From: Jacob Young <jacobly0@users.noreply.github.com>
Date: Mon, 31 Oct 2022 20:18:15 -0400
Subject: cbe: improve support for non-native float types

 * Fix _start on aarch64.
 * Add fallbacks when a float type is unsupported.

Fixes #13357
---
 lib/std/start.zig | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'lib/std')

diff --git a/lib/std/start.zig b/lib/std/start.zig
index 14903b0bc9..7ba24ad78c 100644
--- a/lib/std/start.zig
+++ b/lib/std/start.zig
@@ -281,7 +281,15 @@ fn _start() callconv(.Naked) noreturn {
                     \\ andl $-16, %%esp
                     \\ jmp _posixCallMainAndExit
                 ),
-                .aarch64, .aarch64_be, .arm, .armeb, .thumb => asm volatile (
+                .aarch64, .aarch64_be => asm volatile (
+                    \\ mov fp, #0
+                    \\ mov lr, #0
+                    \\ mov x0, sp
+                    \\ adrp x1, argc_argv_ptr
+                    \\ str x0, [x1, :lo12:argc_argv_ptr]
+                    \\ b _posixCallMainAndExit
+                ),
+                .arm, .armeb, .thumb => asm volatile (
                     \\ mov fp, #0
                     \\ mov lr, #0
                     \\ str sp, argc_argv_ptr
-- 
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