------- Comment #3 from rguenth at gcc dot gnu dot org 2007-01-23 21:55 ------- Honza, we're not folding the comparison on inlining and later ICE in tree-vrp because of this (from the einline dump):
# fp1_5 = PHI <fp1_7(5), fp1_4(8), fp1_4(9)> <L7>:; i_30 = fp0_6; goto <bb 14> (<L10>); <L18>:; D.1689_35 = unicount[i_3]; D.1690_36 = D.1689_35 == 0; D.1691_37 = i_3 != i_3; D.1692_38 = D.1690_36 && D.1691_37; if (D.1692_38) goto <L15>; else goto <L17>; <L15>:; RawOrEnc = 1; look at the i_3 != i_3 -- rguenth at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |hubicka at gcc dot gnu dot | |org Status|UNCONFIRMED |NEW Component|tree-optimization |c Ever Confirmed|0 |1 Keywords|ice-on-valid-code | Last reconfirmed|0000-00-00 00:00:00 |2007-01-23 21:55:31 date| | Summary|[4.3 Regression] ice for |ice for legal code with -O3 |legal code with -O3 | Target Milestone|4.3.0 |--- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30564