[Bug target/60778] shift not folded into shift on x86-64

2021-09-27 Thread ubizjak at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60778 --- Comment #5 from Uroš Bizjak --- (In reply to Jakub Jelinek from comment #4) > > > We have 2->2 combine now but it looks like we don't try to split inside a > > > mem ... > > > > This address looks similar to how Alpha implemented unaligned l

[Bug target/60778] shift not folded into shift on x86-64

2021-09-27 Thread jakub at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60778 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #4

[Bug target/60778] shift not folded into shift on x86-64

2021-09-27 Thread ubizjak at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60778 --- Comment #3 from Uroš Bizjak --- (In reply to Andrew Pinski from comment #2) > Trying 7 -> 8: > 7: {r87:DI=r89:DI>>0x3;clobber flags:CC;} > REG_DEAD r89:DI > REG_UNUSED flags:CC > 8: r88:DF=[r87:DI*0x8+`mem'] > REG_DE

[Bug target/60778] shift not folded into shift on x86-64

2021-09-26 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60778 Andrew Pinski changed: What|Removed |Added Last reconfirmed|2014-04-08 00:00:00 |2021-9-26 --- Comment #2 from Andrew Pin

[Bug target/60778] shift not folded into shift on x86-64

2014-04-08 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60778 Richard Biener changed: What|Removed |Added Target||x86_64-*-*, i?86-*-* Status|