So, the validation is ok with this patch, I'm just not able to say if
the original performance issue is still fixed with it. Could you
check it Kyrylo ?
Yvan
2013-11-17 Yvan Roux <yvan.r...@linaro.org>
* config/arm/arm.md (store_minmaxsi): Use only when
optimize_function_for_size_p.
On 15 November 2013 15:59, Yvan Roux <yvan.r...@linaro.org> wrote:
>> Sometimes 4 will be needed, since both original register values may
>> remain live.
>
> Indeed.
>
>> However, I'm inclined to agree that while it should be possible to
>> decide at the *function* level whether or not an insn is valid, doing so
>> at the block level is probably unsafe.
>
> Ok, so the attached patch should fix the issue, its validation is ongoing.
