[LLVMdev] Limit loop vectorizer to SSE

[Frank Winter]

I am asking because the option 'force-vector-width' is too restrictive.
I would like to leave open the possibility to use vector width 2.

Frank


On 12/11/13 10:05, Frank Winter wrote:
> The AVX + JIT bug is hitting more frequently now. On a AVX machine the
> loop vectorizer goes for a vector length of 8 for some of my functions
> which in turn causes a SEGFAULT.
>
> Is there a way to limit the loop vectorizer to a certain vector length,
> say 4, such that I can work around the bug?
>
> Frank
>
>