Re: [PATCH v2 36/45] target/arm: Implement fp16 for Neon float-integer VCVT

[Richard Henderson]

On 8/28/20 11:33 AM, Peter Maydell wrote:
> Convert the Neon float-integer VCVT insns to gvec, and use this
> to implement fp16 support for them.
> 
> Note that unlike the VFP int<->fp16 VCVT insns we converted
> earlier and which convert to/from a 32-bit integer, these
> Neon insns convert to/from 16-bit integers. So we can use
> the existing vfp conversion helpers for the f32<->u32/i32
> case but need to provide our own for f16<->u16/i16.
> 
> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
> ---
>  target/arm/helper.h             |  9 +++++++++
>  target/arm/vec_helper.c         | 29 +++++++++++++++++++++++++++++
>  target/arm/translate-neon.c.inc | 15 ++++-----------
>  3 files changed, 42 insertions(+), 11 deletions(-)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~