Re: [PATCH v2] target/i386: reimplement fpatan using floatx80 operations

[Paolo Bonzini]

On 23/06/20 02:01, Joseph Myers wrote:
> The x87 fpatan emulation is currently based around conversion to
> double.  This is inherently unsuitable for a good emulation of any
> floatx80 operation.  Reimplement using the soft-float operations, as
> for other such instructions.
> 
> Signed-off-by: Joseph Myers <joseph@codesourcery.com>

Queued, thanks.

Just one question: do recent processors still use the same CORDIC
approximations as the 8087, and if so would it be better or simpler to
do that instead of using a good implementation such as this one?

Thanks,

Paolo