Cortex-A9 NEON Media Processing Engine Technical Reference Manual: 2.4. Supported formats

2.4. Supported formats

Table 2.1 shows the formats supported for each of the Advanced SIMD and VFPv3 instruction sets implemented by the Cortex-A9 NEON MPE. All signed integers are two's complement representations.

Table 2.1. Supported number formats

Format	Advanced SIMD	VFPv3
8-bit signed/unsigned integer	Yes	No
16-bit signed/unsigned integer	Yes	No
32-bit signed/unsigned integer	Yes	Yes^[a]
64-bit signed/unsigned integer	Yes	No
16-bit half-precision floating-point	Yes^a	Yes^a
32-bit single-precision floating-point	Yes	Yes
64-bit double-precision floating-point	No	Yes
8-bit polynomials	Yes	No
16-bit polynomials	Yes	No
^[a]For conversion purposes only.

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