https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100693
Bug ID: 100693 Summary: PPC: missing 64-bit addg6s Product: gcc Version: 8.3.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: jens.seifert at de dot ibm.com Target Milestone: --- gcc only provides unsigned int __builtin_addg6s (unsigned int, unsigned int); but addg6s is a 64-bit operation. I require unsigned long long __builtin_addg6s (unsigned long long, unsigned long long); . I for now use inline assembly.