------- Comment #2 from ebotcazou at gcc dot gnu dot org 2010-01-11 22:00
-------
The REG_EQUAL note is correct after fwprop but not after combine, so the
problem lies in combine. The note should have been removed by
adjust_for_new_dest since the destination of I3 has changed.
--
ebotcazou at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |ebotcazou at gcc dot gnu dot
| |org
Component|middle-end |rtl-optimization
Summary|Wrong REG_EQUAL note is |problematic REG_EQUAL note
|added to SUBREG node |added to SUBREG
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42691
