ailto:wdijk...@arm.com]
> Sent: 27 August 2014 17:25
> To: 'gcc@gcc.gnu.org'
> Subject: Register allocation: caller-save vs spilling
>
> Hi,
>
> I'm investigating various register allocation inefficiencies. The first thing
> that stands out
> is that GCC bot
Hi,
I'm investigating various register allocation inefficiencies. The first thing
that stands out is
that GCC both supports caller-saves as well as spilling. Spilling seems to
spill all definitions and
all uses of a liverange. This means you often end up with multiple reloads
close together, wh