C backend: 128-bit ints on big endian arch is not yet supported

ziglang · Feb 4, 2022 · 10c47c5 · 10c47c5
1 parent 829ea92
commit 10c47c5
Showing 1 changed file with 3 additions and 0 deletions.
diff --git 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);