https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67985
Bug ID: 67985 Summary: -miamcu -march=haswell should allow x87 and AVX instructions Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: hjl.tools at gmail dot com CC: julia.koval at intel dot com, ubizjak at gmail dot com Target Milestone: --- Since -miamcu specifies how parameters are passed to functions, inside function, we can use any instructions -march= allows. -miamcu -march=haswell should allow x87 and AVX instructions