------- Comment #2 from ebotcazou at gcc dot gnu dot org 2007-07-15 15:43 ------- > I get something similiar with my 16-bit x86 port compiling libgcc:
Same on SPARC/Solaris: http://gcc.gnu.org/ml/gcc-patches/2007-06/msg02135.html > This patch seems to fix it: > > Index: gcc/df-problems.c > =================================================================== > --- gcc/df-problems.c (revision 126653) > +++ gcc/df-problems.c (working copy) > @@ -4023,8 +4023,9 @@ df_note_bb_compute (unsigned int bb_inde > while (*mws_rec) > { > struct df_mw_hardreg *mws = *mws_rec; > + rtx reg = REG_P (mws->mw_reg) ? mws->mw_reg : SUBREG_REG > (mws->mw_reg); > if ((mws->type != DF_REF_REG_DEF) > - && !df_ignore_stack_reg (REGNO (mws->mw_reg))) > + && !df_ignore_stack_reg (REGNO (reg))) > old_dead_notes > = df_set_dead_notes_for_mw (insn, old_dead_notes, > mws, live, do_not_gen, See the discussion at http://gcc.gnu.org/ml/gcc-patches/2007-06/msg01894.html -- ebotcazou at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |ebotcazou at gcc dot gnu dot | |org Status|UNCONFIRMED |NEW Ever Confirmed|0 |1 Last reconfirmed|0000-00-00 00:00:00 |2007-07-15 15:43:00 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32557
