WRFSTATUS

Operation

Write the FPU status/control register from an Rn register.

Assembler Syntax

WRFSTATUS Rn(s)

Privilege

Unprivileged

Required CPUID flags

FP

WRFSTATUS writes only the architectural 16-bit FSTATUS register from the low 16 bits of the source Rn register. Reserved FSTATUS bits must be zero. WRFSTATUS requires the floating-point extension.

2.75in

Encodings

WRFSTATUS Rn(s)

Format: Instruction format for WRFSTATUS Rn(s)