Happened between revs 151305 (good) and 151347 (bad). This range includes the VTA merge and the SRA useless transformation fix.
-- Summary: [4.5 Regression] 252.eon performance regression Product: gcc Version: 4.5.0 Status: UNCONFIRMED Keywords: missed-optimization Severity: normal Priority: P3 Component: target AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: rguenth at gcc dot gnu dot org GCC target triplet: ia64-*-* http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41279