Zdenek Dvorak wrote:
Hello,
during a recent discussion, it was pointed to my attention that
update_stmt is performance critical. I wondered why; this is the number
of update_stmt calls for combine.i (all the other passes have less then
1000 calls):
<...>
I have a patch that decrease
On Wed, 2006-03-01 at 05:31 +0100, Zdenek Dvorak wrote:
> Hello,
>
> during a recent discussion, it was pointed to my attention that
> update_stmt is performance critical. I wondered why; this is the number
> of update_stmt calls for combine.i (all the other passes have less then
> 1000 calls):
>
On Feb 28, 2006, at 11:31 PM, Zdenek Dvorak wrote:
tree FRE : 2060 ( 1%)
I bet the reason why this is so high is because we really don't
remove useless casts before going into SSA so it pills up.
-- Pinski
On Feb 28, 2006, at 11:31 PM, Zdenek Dvorak wrote:
I have a patch that decreases number of update_stmt calls in tree alias
analysis to 46525; still, is it really that useful to run
pass_may_alias
*six* times during compilation? Obviously, we need the initial one,
and
there are comments after
