5.1.1. VFP architectures

There are two versions of the VFP architecture. VFPv2 has all the instructions that VFPv1 has, and four additional instructions.

The additional instructions enable you to transfer two 32-bit words between ARM registers and VFP registers with one instruction.

Note

Support for VFPv1 is obsolete. The default is VFPv2.

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