[Bug middle-end/64928] [4.8/4.9/5 Regression] Inordinate cpu time and memory usage in phase opt and generate with -ftest-coverage -fprofile-arcs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64928 Richard Biener rguenth at gcc dot gnu.org changed: What|Removed |Added Priority|P3 |P2

[Bug middle-end/64928] [4.8/4.9/5 Regression] Inordinate cpu time and memory usage in phase opt and generate with -ftest-coverage -fprofile-arcs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64928 --- Comment #16 from Richard Biener rguenth at gcc dot gnu.org --- Created attachment 34974 -- https://gcc.gnu.org/bugzilla/attachment.cgi?id=34974action=edit Patch to limit coalescing amount The committed patch improves peak memory usage from

[Bug middle-end/64928] [4.8/4.9/5 Regression] Inordinate cpu time and memory usage in phase opt and generate with -ftest-coverage -fprofile-arcs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64928 --- Comment #18 from Richard Biener rguenth at gcc dot gnu.org --- (In reply to Richard Biener from comment #17) Created attachment 34975 [details] do not compute live/conflict for abnormal coalesces This is the other idea of simply not

[Bug middle-end/64928] [4.8/4.9/5 Regression] Inordinate cpu time and memory usage in phase opt and generate with -ftest-coverage -fprofile-arcs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64928 --- Comment #15 from Richard Biener rguenth at gcc dot gnu.org --- Author: rguenth Date: Fri Mar 6 12:34:28 2015 New Revision: 221237 URL: https://gcc.gnu.org/viewcvs?rev=221237root=gccview=rev Log: 2015-03-06 Richard Biener rguent...@suse.de

[Bug middle-end/64928] [4.8/4.9/5 Regression] Inordinate cpu time and memory usage in phase opt and generate with -ftest-coverage -fprofile-arcs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64928 --- Comment #17 from Richard Biener rguenth at gcc dot gnu.org --- Created attachment 34975 -- https://gcc.gnu.org/bugzilla/attachment.cgi?id=34975action=edit do not compute live/conflict for abnormal coalesces This is the other idea of simply

[Bug middle-end/64928] [4.8/4.9/5 Regression] Inordinate cpu time and memory usage in phase opt and generate with -ftest-coverage -fprofile-arcs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64928 --- Comment #14 from Richard Biener rguenth at gcc dot gnu.org --- Note that if we fix out-of-SSA coalescing (patch in testing) then RTL CSE explodes via DF.

[Bug middle-end/64928] [4.8/4.9/5 Regression] Inordinate cpu time and memory usage in phase opt and generate with -ftest-coverage -fprofile-arcs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64928 Steven Bosscher steven at gcc dot gnu.org changed: What|Removed |Added CC||steven at gcc

[Bug middle-end/64928] [4.8/4.9/5 Regression] Inordinate cpu time and memory usage in phase opt and generate with -ftest-coverage -fprofile-arcs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64928 --- Comment #13 from Jeffrey A. Law law at redhat dot com --- I think we've done similar things for Brad's large testcases in the past. You want to look at both the edge/bb density as well as the overall size. ie, a high density doesn't really

[Bug middle-end/64928] [4.8/4.9/5 Regression] Inordinate cpu time and memory usage in phase opt and generate with -ftest-coverage -fprofile-arcs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64928 --- Comment #11 from Richard Biener rguenth at gcc dot gnu.org --- Ok, so it's already calculate_live_ranges that takes much memory. I have a small patch to improve that somewhat. But what we really need is to get the must coalesce stuff

[Bug middle-end/64928] [4.8/4.9/5 Regression] Inordinate cpu time and memory usage in phase opt and generate with -ftest-coverage -fprofile-arcs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64928 Jeffrey A. Law law at redhat dot com changed: What|Removed |Added CC||law at redhat dot

[Bug middle-end/64928] [4.8/4.9/5 Regression] Inordinate cpu time and memory usage in phase opt and generate with -ftest-coverage -fprofile-arcs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64928 Richard Biener rguenth at gcc dot gnu.org changed: What|Removed |Added Status|NEW |ASSIGNED

[Bug middle-end/64928] [4.8/4.9/5 Regression] Inordinate cpu time and memory usage in phase opt and generate with -ftest-coverage -fprofile-arcs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64928 Richard Biener rguenth at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |NEW Last

[Bug middle-end/64928] [4.8/4.9/5 Regression] Inordinate cpu time and memory usage in phase opt and generate with -ftest-coverage -fprofile-arcs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64928 Richard Biener rguenth at gcc dot gnu.org changed: What|Removed |Added Keywords||memory-hog