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Re: PATCH: Enable TFmode for SSE2


On Fri, Jun 27, 2008 at 7:36 AM, Joseph S. Myers
<joseph@codesourcery.com> wrote:
> On Fri, 27 Jun 2008, H.J. Lu wrote:
>
>> Last time when I tried, soft-fp didn't support __float128 for ia32
>> since it needs TImode. Has it been changed? In any case, we
>> are planning to provide complete run-time __float128 support for
>> both ia32 and x86-64. Our implementation will be optimized for
>> x86 and may not use soft-fp. But I need to enable __float128 first.
>
> If you do add a new x86-specific __float128 runtime, may I strongly
> encourage at this point that it interoperate with the hardware exceptions
> and rounding modes as soft-fp does?  Systems where some floating-point
> types work with exceptions and rounding modes and others don't do not fit
> well with the ISO C model and can be troublesome.
>

Are there any tests for that?

Thanks.


-- 
H.J.


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