diff options
Diffstat (limited to 'src/codegen')
| -rw-r--r-- | src/codegen/llvm.zig | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/codegen/llvm.zig b/src/codegen/llvm.zig index 9dc20755eb..6ebbd2aaf8 100644 --- a/src/codegen/llvm.zig +++ b/src/codegen/llvm.zig @@ -2680,11 +2680,15 @@ pub const DeclGen = struct { comptime assert(struct_layout_version == 2); var offset: u64 = 0; var big_align: u32 = 0; + var any_underaligned_fields = false; for (struct_obj.fields.values()) |field| { if (field.is_comptime or !field.ty.hasRuntimeBitsIgnoreComptime()) continue; const field_align = field.normalAlignment(target); + const field_ty_align = field.ty.abiAlignment(target); + any_underaligned_fields = any_underaligned_fields or + field_align < field_ty_align; big_align = @maximum(big_align, field_align); const prev_offset = offset; offset = std.mem.alignForwardGeneric(u64, offset, field_align); @@ -2712,7 +2716,7 @@ pub const DeclGen = struct { llvm_struct_ty.structSetBody( llvm_field_types.items.ptr, @intCast(c_uint, llvm_field_types.items.len), - .False, + llvm.Bool.fromBool(any_underaligned_fields), ); return llvm_struct_ty; |