[Bug tree-optimization/55860] Turn segmented iteration into nested loops

2018-06-29 Thread egallager at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55860 Eric Gallager changed: What|Removed |Added Assignee|law at redhat dot com |unassigned at gcc dot gnu.org --

[Bug tree-optimization/55860] Turn segmented iteration into nested loops

2018-06-29 Thread law at redhat dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55860 --- Comment #6 from Jeffrey A. Law --- Doesn't matter much to me either way. I review all the jump threading PRs every release.

[Bug tree-optimization/55860] Turn segmented iteration into nested loops

2018-06-28 Thread egallager at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55860 Eric Gallager changed: What|Removed |Added CC||egallager at gcc dot gnu.org --- Comment

[Bug tree-optimization/55860] Turn segmented iteration into nested loops

2013-09-20 Thread law at redhat dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55860 --- Comment #4 from Jeffrey A. Law --- BTW, I did look at walking up the CFG to discover edge equivalences we could add to our tables. We don't have access to the path through the dominator tree that we've followed, so I had to use a fairly conse

[Bug tree-optimization/55860] Turn segmented iteration into nested loops

2013-09-18 Thread law at redhat dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55860 --- Comment #3 from Jeffrey A. Law --- The other issue here is the loop header which looks like: bb4: # iii_16 = PHI # jkl_17 = PHI L1: if (m_8(D) > iii_16) goto ; else goto ; [... ] bb7 # iii_12 = PHI <0(6), iii_10(5)> # jkl_4 = PHI L2:

[Bug tree-optimization/55860] Turn segmented iteration into nested loops

2013-09-13 Thread law at redhat dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55860 Jeffrey A. Law changed: What|Removed |Added CC||law at redhat dot com --- Comment #2 fro

[Bug tree-optimization/55860] Turn segmented iteration into nested loops

2013-01-03 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55860 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|