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Floating-point system registers in AArch32 state

Floating-point system registers are accessible in all implementations of floating-point.

For exception levels using AArch32, the following floating-point system registers are accessible in all floating-point implementations:

  • FPSCR, the floating-point status and control register.
  • FPEXC, the floating-point exception register.
  • FPSID, the floating-point system ID register.

A particular floating-point implementation can have additional registers. For more information, see the Technical Reference Manual for your processor.