On 11/19/14 06:12, Richard Biener wrote:
PR63677 shows that late complete unrolling can expose quite some memory
CSE opportunities
Yes, we saw the same thing with unrolling in RTL. So this is not a
surprise at all.
(and followup simplifications) which we fail to
exploit because currently
PR63677 shows that late complete unrolling can expose quite some memory
CSE opportunities (and followup simplifications) which we fail to
exploit because currently DOMs ability to do memory CSE is quite
limited (it requires the redundant load to optimize to directly follow the
load or store). Thi
