std.math performance (SSE vs. real)

[Walter Bright via Digitalmars-d]

On 6/30/2014 4:25 AM, "Ola Fosheim Grøstad" 
<ola.fosheim.grostad+dlang at gmail.com>" wrote:
> On Sunday, 29 June 2014 at 22:49:44 UTC, Walter Bright wrote:
>>> I guess we just hope that all future hardware is IEEE754 compliant.
>>
>> I'm not concerned about it. No CPU maker in their right head would do
>> something different.
>
> AFAIK they break compliance all the time.

Examples, please.