The option -xbuiltin does not work because it enables all kind of
compiler built in functions, even those which affect errno. There is
no option to select individual functions.
Olga
2010/3/30 Garrett D'Amore <garr...@damore.org>:
> On 03/30/10 12:10 PM, ольга крыжановская wrote:
>>
>> I'm told that Niagara T1 only has few VIS instructions which run in a
>> shared FPU and emulates others but Niagara T2 implements the full set
>> running in a per core FPU.
>>
>
> Ok; but that also means that if you optimize any code you need to make sure
> that the "optimizations" are actually appropriate for the CPU you're running
> on.
>
> I think the idea of -xbuiltin (someone else mentioned) is better -- compiler
> generated inlines will probably save more than just the logic associated
> with alignment checks, but also function call overhead -- at least for small
> strings.
>
> - Garrett
>
>
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