https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66589
Bug ID: 66589 Summary: AVX instruction set extension is not enabled by default for bdver2 Product: gcc Version: 5.1.0 Status: UNCONFIRMED Severity: minor Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: joseph.kogut at gmail dot com Target Milestone: --- "gcc -march=bdver2 -Q --help=target" reports: -mavx [disabled] When the extension is supported by the microarchitecture.