[Bug tree-optimization/83298] [8 Regression] wrong code at -O1, -O2 and -O3 on x86_64-linux-gnu

2017-12-06 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83298 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug tree-optimization/83298] [8 Regression] wrong code at -O1, -O2 and -O3 on x86_64-linux-gnu

2017-12-06 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83298 --- Comment #2 from Jakub Jelinek --- This goes wrong during dom2, before that we have: [local count: 161061274]: b.1_11 = b; if (b.1_11 <= 0) goto ; [85.00%] else goto ; [15.00%] [local count: 136902083]: [local count: 9

[Bug tree-optimization/83298] [8 Regression] wrong code at -O1, -O2 and -O3 on x86_64-linux-gnu

2017-12-06 Thread law at redhat dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83298 Jeffrey A. Law changed: What|Removed |Added Priority|P3 |P1

[Bug tree-optimization/83298] [8 Regression] wrong code at -O1, -O2 and -O3 on x86_64-linux-gnu

2017-12-06 Thread law at redhat dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83298 --- Comment #3 from Jeffrey A. Law --- I see what's going on here. I'm a bit concerned there's a deeper issue. Some planned gcc-9 work would take care of this, but I was hoping to avoid those changes in the gcc-8 cycle. Investigating the deepe

[Bug tree-optimization/83298] [8 Regression] wrong code at -O1, -O2 and -O3 on x86_64-linux-gnu

2017-12-11 Thread law at redhat dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83298 Jeffrey A. Law changed: What|Removed |Added CC||zsojka at seznam dot cz --- Comment #4

[Bug tree-optimization/83298] [8 Regression] wrong code at -O1, -O2 and -O3 on x86_64-linux-gnu

2017-12-12 Thread law at redhat dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83298 Jeffrey A. Law changed: What|Removed |Added CC||babokin at gmail dot com --- Comment #5

[Bug tree-optimization/83298] [8 Regression] wrong code at -O1, -O2 and -O3 on x86_64-linux-gnu

2017-12-12 Thread law at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83298 --- Comment #6 from Jeffrey A. Law --- Author: law Date: Tue Dec 12 22:46:46 2017 New Revision: 255593 URL: https://gcc.gnu.org/viewcvs?rev=255593&root=gcc&view=rev Log: PR tree-optimization/83298 PR tree-optimization/83362

[Bug tree-optimization/83298] [8 Regression] wrong code at -O1, -O2 and -O3 on x86_64-linux-gnu

2017-12-12 Thread law at redhat dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83298 Jeffrey A. Law changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---