[patch, driver] Ignore -ftree-parallelize-loops={0,1}

[Tom de Vries]

On 07/07/15 09:53, Tom de Vries wrote:
> Hi,
>
> currently, we have these spec strings in gcc/gcc.c involving
> ftree-parallelize-loops:
> ...
> %{fopenacc|fopenmp|ftree-parallelize-loops=*:%:include(libgomp.spec)%(link_gomp)}
>
> %{fopenacc|fopenmp|ftree-parallelize-loops=*:-pthread}"
> ...
>
> Actually, ftree-parallelize-loops={0,1} means that no parallelization is
> done, but these spec strings still get activated for these values.
>
>
> Attached patch fixes that, by introducing a spec function gt (short for
> greather than), and using it in the spec lines.
>

Attached (untested) patch manages the same, without introducing the spec 
function 'gt'. But the solution is a bit convoluted, so I prefer the one 
with the gt function.

Thanks,
- Tom

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