Conditional execution of A32/T32 Advanced SIMD instructions
Most Advanced SIMD instructions always execute unconditionally.
You cannot use any of the following Advanced SIMD instructions in an IT block:
- All instructions in the Crypto extension.
In addition, specifying any other Advanced SIMD instruction in an IT block is deprecated.
Arm deprecates conditionally executing any Advanced SIMD instruction unless it is a shared Advanced SIMD and floating-point instruction.