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Software can identify the Advanced SIMD and floating-point features using the feature identification registers in the AArch32 execution state.
You can access the feature identification registers in the AArch32 execution
state using the
VMRS instruction, for example:
VMRS <Rt>, FPSID ; Read FPSID into Rt VMRS <Rt>, MVFR0 ; Read MVFR0 into Rt VMRS <Rt>, MVFR1 ; Read MFFR1 into Rt VMRS <Rt>, MVFR2 ; Read MVFR2 into Rt
Table 3-1 AArch32 Advanced SIMD and scalar floating-point feature identification registers