From 10c47c5ab1c77cb59b64b6162cb70ec684248033 Mon Sep 17 00:00:00 2001
From: Jean Dao <jean@pfudke.fr>
Date: Fri, 4 Feb 2022 17:42:58 +0100
Subject: [PATCH] C backend: 128-bit ints on big endian arch is not yet
 supported

---
 src/codegen/c.zig | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/codegen/c.zig b/src/codegen/c.zig
index 8e793ed45f10..01f63f2f9422 100644
--- a/src/codegen/c.zig
+++ b/src/codegen/c.zig
@@ -404,6 +404,9 @@ pub const DeclGen = struct {
 
         comptime assert(int_info.bits <= 128);
 
+        // TODO support big endian arch
+        comptime assert(builtin.cpu.arch.endian() == .Little);
+
         // Clang and GCC don't support 128-bit integer constants but will hopefully unfold them
         // if we construct one manually.
         const magnitude = std.math.absCast(int_val);