[Bug target/84547] Suboptimal code for int128 masked shifts (ARM64)

2021-04-19 Thread rearnsha at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84547 --- Comment #2 from Richard Earnshaw --- (In reply to Andrew Pinski from comment #1) > Yes int128 (or rather double wide register) shifts are not optimized that > well. They are not used by many people even. I wonder if there is a way to > use

[Bug target/84547] Suboptimal code for int128 masked shifts (ARM64)

2021-04-16 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84547 Andrew Pinski changed: What|Removed |Added Summary|Suboptimal code for masked |Suboptimal code for int128