[Bug target/95674] Unnecessary move when doing division-by-multiplication

2023-04-22 Thread roger at nextmovesoftware dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95674 Roger Sayle changed: What|Removed |Added Resolution|--- |FIXED Target Milestone|---

[Bug target/95674] Unnecessary move when doing division-by-multiplication

2020-06-29 Thread vmakarov at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95674 --- Comment #5 from Vladimir Makarov --- (In reply to rsand...@gcc.gnu.org from comment #4) > (In reply to Vladimir Makarov from comment #3) > > I looked at this problem. > > > > All assignments are done in IRA (LRA does not change them). We

[Bug target/95674] Unnecessary move when doing division-by-multiplication

2020-06-27 Thread rsandifo at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95674 rsandifo at gcc dot gnu.org changed: What|Removed |Added CC||rsandifo at gcc dot

[Bug target/95674] Unnecessary move when doing division-by-multiplication

2020-06-26 Thread vmakarov at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95674 --- Comment #3 from Vladimir Makarov --- I looked at this problem. All assignments are done in IRA (LRA does not change them). We can not make a better assignment because scratches do not permit to store any preferences from instruction

[Bug target/95674] Unnecessary move when doing division-by-multiplication

2020-06-15 Thread hjl.tools at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95674 --- Comment #2 from H.J. Lu --- PR 95442 is also REG_DEAD related.

[Bug target/95674] Unnecessary move when doing division-by-multiplication

2020-06-15 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95674 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |NEW CC|