Fused Multiply-Add extension

The Fused Multiply-Add extension is an optional architecture that extends both the VFPv3 and the NEON architectures. It provides VFP and NEON instructions that perform multiply and accumulate operations with a single rounding step, so suffers from less loss of accuracy than performing a multiplication followed by an add.

The fused multiply-add instructions are only available on NEON or VFP systems that implement the fused multiply-add extension. The VFP system that implements the fused multiply-add extension is VFPv4.

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