------- Comment #9 from spark at gcc dot gnu dot org 2007-06-13 03:48 ------- (In reply to comment #8) > Subject: Re: [4.3 Regression] Bootstrap failure in stage1 on hppa*-*-* > > > I think the solution is to remove this check from the insn definition > > in pa.md and change the check in hppa_can_use_return_insn_p() > > to ! df_hard_reg_used_p(). > > This doesn't work. The problem seems to be that df_regs_ever_live (2) > doesn't provide an indication that a function isn't a leaf function > anymore. Calls clobber register r2 but they don't us it.
It's my turn to ask: so what information does hppa_can_use_return_p need to make the decision ? -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32296
