https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78005
Bug ID: 78005 Summary: [7 Regression] 172.mgrid miscompares Product: gcc Version: 7.0 Status: UNCONFIRMED Keywords: wrong-code Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: rguenth at gcc dot gnu.org Target Milestone: --- Target: x86_64-*-*, i?86-*-* With -Ofast on core-avx2 and bdver2, works fine with generic tuning. Last known good rev. is r241084, first kown bad r241120.