The FPSID is a read-only register. You
can read it to find out which implementation of the NEON or VFP
architecture your program is running on.
- bit[31:24]
Implementor code
- bit[23]
0 for hardware coprocessor, 1 for software implementation
- bit[22:16]
Subarchitecture version number
- bit[15:8]
Implementation defined part number
- bit[7:4]
Implementation defined variant number
- bit[3:0]
Implementation defined revision number.
See also- Concepts
- Reference
The Technical Reference Manual for your VFP coprocessor or floating-point capable processor.
PDF version