[Bug middle-end/112098] suboptimal optimization of inverted bit extraction

2023-10-26 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112098 --- Comment #3 from Andrew Pinski --- Trying 6, 7, 8 -> 9: 6: {r105:SI=r108:SI 0>>0x9;clobber flags:CC;} REG_DEAD r108:SI REG_UNUSED flags:CC 7: {r106:SI=r105:SI&0x1;clobber flags:CC;} REG_DEAD r105:SI REG_UNUSED

[Bug middle-end/112098] suboptimal optimization of inverted bit extraction

2023-10-26 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112098 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Assignee|unassigned

[Bug middle-end/112098] suboptimal optimization of inverted bit extraction

2023-10-26 Thread bruno at clisp dot org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112098 --- Comment #1 from Bruno Haible --- The code that gets executed inside gcc is maybe the one mentioned in https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109907#c2 .