Re: Should __attribute__((optimize("align-loops=32"))) work ? (for x86_64)

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On 28 January 2018 at 11:25, Chris Hall wrote:
>
> With apologies for the noise...
>
> ...with v7.2.1, compiling for recent x86_64, the command line option
> "-falign-loops=32" is accepted and has the desired effect.
>
> However I find that both:
>
>     _Pragma("GCC optimize(\"align-loops=32\")")
>
> and:
>
>     __attribute__((optimize("align-loops=32")))
>
> are rejected with a "warning: bad option '-falign-loops=32'" -- reported for
> each and every affected function.
>
> Should I report this as a bug ?

Yes, if you can't find an existing report for it.



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