https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67320
Bug ID: 67320 Summary: Incorrect standard names for wide addition Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end Assignee: unassigned at gcc dot gnu.org Reporter: michael.collison at linaro dot org Target Milestone: --- The internals documentation shows the standard names for widen addition as: ssum_widenm3 usum_widenm3 In fact the standard names used by the compiler are: widen_ssumm3 widen_usumm3