uops.info Alder Lake-E false dependency on FLAGS for int #34
Description
From https://stackoverflow.com/questions/36510095/inc-instruction-vs-add-1-does-it-matter
Update: the Efficiency cores on Alder Lake are Gracemont, and run inc reg as a single uop, but at only 1/clock, vs. 4/clock for add reg, 1 (https://uops.info/). This may be a false dependency on FLAGS like P4 had; the uops.info tests didn't try adding a dep-breaking instruction.