[Bug tree-optimization/90437] Overflow detection too late for VRP

2021-11-22 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90437 Andrew Pinski changed: What|Removed |Added Resolution|--- |FIXED Target Milestone|---

[Bug tree-optimization/90437] Overflow detection too late for VRP

2019-05-16 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90437 --- Comment #3 from Richard Biener --- (In reply to JunMa from comment #2) > (In reply to Richard Biener from comment #1) > > VRP obviously only sees a + b in [0, 20] and [0, 20] < [0, 10] as unknown. > > we do have pattern x+y < y in match.pd,

[Bug tree-optimization/90437] Overflow detection too late for VRP

2019-05-16 Thread JunMa at linux dot alibaba.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90437 JunMa changed: What|Removed |Added CC||JunMa at linux dot alibaba.com --- Comment #2

[Bug tree-optimization/90437] Overflow detection too late for VRP

2019-05-13 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90437 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|