Re: kernel: -mpreferred-stack-boundary=2 ??

[Dmitrij Tejblum]

Bruce Evans wrote:
>  I would have
> expected the most generally efficient way to align doubles and the new PIII
> obkects to be aligning the stack only in functions that have such objects
> on the stack.  This requires at most one extra instruction:
> 
>       andl $~0xf,$esp         16-byte alignment

I think, it's not that simple in the usual case when the object is accessed via 
(%ebp-<someconstant>).

Dima




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