[PATCH] PPC32 Linuxthreads Chance MALLOC_ALIGNMENT for VMX

Segher Boessenkool segher@kernel.crashing.org
Fri Mar 12 08:29:00 GMT 2004


> This becomes a bigger issue in the future when autovectorization 
> becomes
> available (gcc-3.5+). Here "normal applications" using "standard types"
> may be using VMX instructions.
>
> Something to consider anyway.

Well, not all auto-vectorized code will use malloc'ed memory, so GCC
will have to handle the misalignment issues in a more general way
anyway; I don't see VMX-aligning all malloc'ed memory will buy us
much for this?


Segher



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