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VMRS
Transfer contents from an Advanced SIMD system register to an ARM register.
Syntax
VMRS{condRdextsysreg
where:
cond- is an optional condition code.
extsysreg- is the Advanced SIMD and floating-point system register,usually FPSCR, FPSID,or FPEXC.
Rdis the ARM register.
RdIt can be
APSR_nzcv, ifextsysregFPSCR.In this case, the floating-point status flags are transferred intothe corresponding flags in the ARM APSR.
Usage
The VMRS instruction transfersthe contents of extsysreg into Rd.
Note
The instruction stalls the processor until all current Advanced SIMD or floating-point operations complete.Example
VMRS r2,FPCID VMRS APSR_nzcv, FPSCR ; transfer FP status register to ARM APSR