[Bug tree-optimization/58570] [4.9 Regression] wrong code for bitfields at -O2 and above

2013-10-08 Thread bernd.edlinger at hotmail dot de
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58570 --- Comment #6 from Bernd Edlinger bernd.edlinger at hotmail dot de --- (In reply to Eric Botcazou from comment #5) I think we just want to copy the following from nonoverlapping_component_refs_p: /* If we're left with accessing

[Bug tree-optimization/58570] [4.9 Regression] wrong code for bitfields at -O2 and above

2013-10-08 Thread ebotcazou at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58570 --- Comment #7 from Eric Botcazou ebotcazou at gcc dot gnu.org --- What if both bit fields have different DECL_BIT_FIELD_REPRESENTATIVE? Then they can't possibly overlap? Probably, yes, that could be a nice enhancement.

[Bug tree-optimization/58570] [4.9 Regression] wrong code for bitfields at -O2 and above

2013-10-07 Thread ebotcazou at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58570 Eric Botcazou ebotcazou at gcc dot gnu.org changed: What|Removed |Added CC|bernd.edlinger at hotmail dot de |