diff options
Diffstat (limited to 'src/arch/arm/CodeGen.zig')
| -rw-r--r-- | src/arch/arm/CodeGen.zig | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/arch/arm/CodeGen.zig b/src/arch/arm/CodeGen.zig index fc89b2e26b..01a1d6b7eb 100644 --- a/src/arch/arm/CodeGen.zig +++ b/src/arch/arm/CodeGen.zig @@ -2973,6 +2973,11 @@ fn airFieldParentPtr(self: *Self, inst: Air.Inst.Index) !void { const result: MCValue = if (self.liveness.isUnused(inst)) .dead else result: { const field_ptr = try self.resolveInst(extra.field_ptr); const struct_ty = self.air.getRefType(ty_pl.ty).childType(); + + if (struct_ty.zigTypeTag() == .Union) { + return self.fail("TODO implement @fieldParentPtr codegen for unions", .{}); + } + const struct_field_offset = @intCast(u32, struct_ty.structFieldOffset(extra.field_index, self.target.*)); switch (field_ptr) { .ptr_stack_offset => |off| { |