https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91257
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2019-07-25
Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot
gnu.org
Ever confirmed|0 |1
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Using -O2 doesn't help, and -O1 makes it even worse (236s, 5.9GB):
tree PTA : 50.83 ( 22%) 0.63 ( 19%) 51.41 ( 21%)
46076 kB ( 1%)
dominator optimization : 18.76 ( 8%) 0.23 ( 7%) 19.02 ( 8%)
997246 kB ( 17%)
tree CCP : 21.28 ( 9%) 0.40 ( 12%) 21.71 ( 9%)
378 kB ( 0%)
tree FRE : 24.94 ( 11%) 0.20 ( 6%) 25.23 ( 11%)
609 kB ( 0%)
out of ssa : 38.49 ( 16%) 0.04 ( 1%) 38.58 ( 16%)
271 kB ( 0%)
I'm going to poke a bit.
