------- Comment #8 from zadeck at naturalbridge dot com 2007-06-25 23:27 ------- Subject: Re: ICE in df_refs_verify, at df-scan.c:4058
spark at gcc dot gnu dot org wrote: > ------- Comment #6 from spark at gcc dot gnu dot org 2007-06-25 23:13 ------- > This patch: > > diff -r 36792eca786a gcc/combine.c > --- a/gcc/combine.c Sat Jun 23 16:21:43 2007 +0000 > +++ b/gcc/combine.c Mon Jun 25 23:10:32 2007 +0000 > @@ -2849,6 +2849,7 @@ try_combine (rtx i3, rtx i2, rtx i1, int > > PATTERN (i3) = newpat; > adjust_for_new_dest (i3); > + df_insn_rescan (i3); > } > } > } > > at least fixes the immediate problem, > though it's not yet completely clear whether this is the right approach > as I don't know whether the PATTERN (i3) change above > is supposed to be permanent or not. > > > do not do this. this is the wrong fix for the problem. wait till tomorrow to talk to iant. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32481
