[patch]: Fix PR53595 (hard_regno_call_part_clobbered called with invalid regno)

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_re

Re: [patch]: Fix PR53595 (hard_regno_call_part_clobbered called with invalid regno)

2012/6/28 Georg-Johann Lay : > 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 > >