---
title: sign_zero_ext_support
framework: Kernel
role: symbol
role_heading: Instance Property
platforms: [macOS 11.0+]
path: kernel/syscp_id_instructions_feat_1_reg/3609146-sign_zero_ext_support
---

# sign_zero_ext_support

## Declaration

```occ
uint32_t sign_zero_ext_support:4;
```