On Mon, Apr 09, 2012 at 03:29:05AM -0300, Alexandre Oliva wrote:
> from Alexandre Oliva
>
> PR debug/50826
> * df-problems.c (df_note_bb_compute): Do not take note of
> debug uses for whose REGs we won't emit DEAD or UNUSED notes.
> Index: gcc/df-problems.c
>
This patch is a small improvement to DF, for an issue I noticed while
investigating PR 50826. We take note of, and may emit debug temps for,
REGs for which we won't emit REG_DEAD/REG_UNUSED notes. This is a
waste, removed with this patch.
Regstrapped on x86_64-linux-gnu and i686-linux-gnu. Ok t
