On Thu, 8 Oct 2026, Trevor Gross wrote:

> _Float16 pretty much always needs some soft float routines in the form
> of __extendhfsf2 and __truncsfhf2 conversions, not just for targets that
> are entirely soft float.  Unless AVX512-FP16 is available (on x86).

Shouldn't F16C (Ivy Bridge and later) suffice for the conversions?  (But 
using new software on a processor without F16C is a lot more likely than 
using one without SSE.)

-- 
Joseph S. Myers
[email protected]

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