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Software can identify the Cortex-A72 processor Advanced SIMD and Floating-point features by using the feature identification registers in the AArch64 and AArch32 states.
MRSinstructions, for example:
MRS <Xt>, MVFR0_EL1 ; Read MVFR0_EL1 into Xt MRS <Xt>, MVFR1_EL1 ; Read MVFR1_EL1 into Xt MRS <Xt>, MVFR2_EL1 ; Read MVFR2_EL1 into Xt
VMRSinstruction, 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 14-1 Advanced SIMD and Floating-point feature identification registers