Regressions on trunk at revision 148233 vs revision 148205

[H.J. Lu Intel64]

New failures:
FAIL: gcc.dg/vect/no-section-anchors-vect-66.c scan-tree-dump-times vect "Alignment of access forced using peeling" 1
FAIL: gcc.dg/vect/no-section-anchors-vect-66.c scan-tree-dump-times vect "Alignment of access forced using peeling" 1
FAIL: gcc.dg/vect/no-section-anchors-vect-66.c scan-tree-dump-times vect "Vectorizing an unaligned access" 0
FAIL: gcc.dg/vect/no-section-anchors-vect-66.c scan-tree-dump-times vect "Vectorizing an unaligned access" 0
FAIL: gcc.dg/vect/pr25413.c scan-tree-dump-times vect "not vectorized: unsupported unaligned store" 1
FAIL: gcc.dg/vect/pr25413.c scan-tree-dump-times vect "vector alignment may not be reachable" 1
FAIL: gcc.dg/vect/pr25413.c scan-tree-dump-times vect "vectorized 1 loops" 0
FAIL: gcc.dg/vect/vect-58.c scan-tree-dump-times vect "Alignment of access forced using peeling" 1
FAIL: gcc.dg/vect/vect-58.c scan-tree-dump-times vect "Alignment of access forced using peeling" 1
FAIL: gcc.dg/vect/vect-58.c scan-tree-dump-times vect "Vectorizing an unaligned access" 0
FAIL: gcc.dg/vect/vect-58.c scan-tree-dump-times vect "Vectorizing an unaligned access" 0
FAIL: gcc.dg/vect/vect-88.c scan-tree-dump-times vect "Alignment of access forced using peeling" 1
FAIL: gcc.dg/vect/vect-88.c scan-tree-dump-times vect "Alignment of access forced using peeling" 1
FAIL: gcc.dg/vect/vect-88.c scan-tree-dump-times vect "Vectorizing an unaligned access" 0
FAIL: gcc.dg/vect/vect-88.c scan-tree-dump-times vect "Vectorizing an unaligned access" 0

New passes: