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VMSR

11.22 VMSR

Transfer the contents of an ARM register to a VFP system register.

Syntax

VMSR{cond} extsysreg, Rd
where:
cond
is an optional condition code.
extsysreg
is the VFP system register, usually FPSCR, FPSID, or FPEXC.
Rd
is the ARM register. Rd must not be PC.

Operation

The VMSR instruction transfers the contents of Rd into extsysreg.

Note

This instruction stalls the processor until all current VFP operations complete.

Example

    VMSR    FPSCR, r4
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