2.2.2. IEEE 754 standard implementation choices

Some of the implementation choices permitted by the IEEE 754 standard and used in the VFPv3 architecture are described in the ARM Architecture Reference Manual.

Supported formats

The VFP supports:

  • Single-precision and double-precision for all operations

    • no extended format is supported.

  • Half-precision formats

    • IEEE half-precision

    • alternative half-precision.

  • Integer formats:

    • unsigned 32-bit integers

    • two’s complement signed 32-bit integers.

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