Hi Richard,
> Is the separate need_temps scan required for correctness? It looked
> like we could test:
>
> if (reg_overlap_mentioned_p (dest, cond))
> ...
>
> on-the-fly during the main noce_convert_multiple_sets loop.
right, I didn't re-check it but after changes during interal
Robin Dapp writes:
> noce_convert_multiple_sets creates temporaries for the destination of
> every emitted cmov and expects subsequent passes to get rid of them. This
> does not happen every time and even if the temporaries are removed, code
> generation can be affected adversely. In this
noce_convert_multiple_sets creates temporaries for the destination of
every emitted cmov and expects subsequent passes to get rid of them. This
does not happen every time and even if the temporaries are removed, code
generation can be affected adversely. In this patch, temporaries are
only
