[Patch 2/4] [libgcc] Add double to half conversions.

[Joseph Myers]

On Mon, 24 Oct 2016, James Greenhalgh wrote:

> Conversions from double precision floats to the ARM __fp16 are required
> to round only once.

I'd expect that when fixing this you need to update 
gcc.target/arm/fp16-rounding-ieee-1.c (and fp16-rounding-alt-1.c, I 
suppose) to expect rounding once.  But I don't see such a testsuite change 
anywhere in this patch series.

-- 
Joseph S. Myers
joseph@codesourcery.com