586 vs 686

[Ralf Corsepius]

Warren Togami wrote:
> Ralf Corsepius wrote:
>> Kevin Kofler wrote:
>>> Jesse Keating wrote:
>>>> No, they're being made to be able to produce those for those reasons.
>>>> It is yet to be seen if it will be successful, and using the x86_64
>>>> kernel on i586 installs hinges upon this functionality so I recall.
>>>
>>> AFAIK, Debian has been shipping i386 GCC with -m64 support for ages.  
>>> The
>>> drawback is that it's slower even when not using -m64 because some 
>>> internal
>>> types (HOST_WIDE_INT and related stuff) are larger.
>>
>> Not true. -m64/-32 cause gcc to switch between multilibs, when using a 
>> multilibbed setup. Unless something is broken somewhere, the internal 
>> types, library search paths etc. will be set up correctly.
>>
> 
> Debian has multilib?
Not that I am a aware off (I don't use Debian nor Ubuntu).

I was commenting on Kevin's remark on type-sizes from a GCC focused 
perspective: Unless something is bugged, it switches type-sizes and 
library paths corresponding to its multilib-switches.

I don't know about the kernel related issues.

Ralf