http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52883
Eric Botcazou <ebotcazou at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |ebotcazou at gcc dot | |gnu.org --- Comment #3 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2012-04-06 10:55:59 UTC --- > simplify_const_unary_operation tries to simplify: > > (zero_extend:DI (const_int 0 [0])) > > and trips on assert where: > > /* When zero-extending a CONST_INT, we need to know its > original mode. */ > > There is nothing wrong with the above RTX, so there is no justification to > trigger the ICE. Just that it makes no sense. Please fix whoever generated it instead.