ping? Thanks, Kugan
On 15/04/15 17:53, Kugan wrote: > As mentioned in PR65768, ARM gcc generates suboptimal code for constant > Uses in loop. Part of the reason is cprop is undoing what loop invariant > code motion did. > > Zhenqiang posted a patch at to fix this based on rtx costs: > https://gcc.gnu.org/ml/gcc-patches/2014-06/msg01321.html > > I cleaned it up and bootstrapped, regression tested on x86_64-linux-gnu; > no new regressions. Is this OK for trunk? > > Thanks, > Kugan > > gcc/ChangeLog: > > 2015-04-15 Kugan Vivekanandarajah <kug...@linaro.org> > Zhenqiang Chen <zhenqiang.c...@linaro.org> > > PR target/65768 > * cprop.c (try_replace_reg): Check cost of constants before propagating. >
