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Advanced SIMD is a 64-bit and 128-bit hybrid Single Instruction Multiple Data (SIMD) technology targeted at advanced media and signal processing applications and embedded processors.
Advanced SIMD is implemented as part of an Arm®-based processor, but has its own execution pipelines and a register bank that is distinct from the general-purpose register bank.
Advanced SIMD instructions are available in both A32 and A64. The A64 Advanced SIMD instructions are based on those in A32. The main differences are the following: