ср, 22 янв. 2025 г. в 23:53, Georg-Johann Lay <a...@gjlay.de>: > > As it turns out, logical 32-bit shifts with an offset of 25..30 can > be performed in 7 instructions or less. This beats the 7 instruc- > tions required for the default code of a shift loop. > Plus, with zero overhead, these cases can be 3-operand. > > This is only relevant for -Oz because with -Os, 3op shifts are > split with -msplit-bit-shift (which is not performed with -Oz). > > Passes without new regressions. Ok for trunk?
Ok. Please apply. Denis
