2012/6/28 Georg-Johann Lay <a...@gjlay.de>: > This patch returns false in HARD_REGNO_CALL_PART_CLOBBERED if > !HARD_REGNO_MODE_OK. > > Returning true for such registers might lead to performance > degradation that eat up all performance gained from 4.6 to 4.7 > for example. > > Ok to apply? > > Johann > > PR 53595 > * config/avr/avr.c (avr_hard_regno_call_part_clobbered): New. > * config/avr/avr-protos.h (avr_hard_regno_call_part_clobbered): New. > * config/avr/avr.h (HARD_REGNO_CALL_PART_CLOBBERED): Forward to > avr_hard_regno_call_part_clobbered.
Please, apply. Denis
