Transfer contents from an floating-point system register to an ARM register.
- is an optional condition code.
- is the floating-point system register, usually FPSCR, FPSID, or FPEXC.
is the ARM register.
must not be PC.
It can be
FPSCR. In this case, the floating-point status flags are transferred into the corresponding flags in the ARM APSR.
VMRS instruction transfers
the contents of
NoteThe instruction stalls the processor until all current floating-point operations complete.
VMRS r2,FPCID VMRS APSR_nzcv, FPSCR ; transfer FP status register to ARM APSR