reload is too eager to re-use reload registers, which means that reloads that should be available for inheritance by later insn do not even live past the end of the current insn. There should be a target hook to identify input reloads that should be kept.
-- Summary: reload is too earer to re-use reload registers Product: gcc Version: 4.4.0 Status: UNCONFIRMED Keywords: missed-optimization Severity: normal Priority: P3 Component: other AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: amylaar at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39374