Regressions on trunk at revision 275023 vs revision 274983

[H.J. Lu (Intel64 Core i7)]

New failures:
FAIL: gcc.dg/ira-loop-pressure.c scan-rtl-dump loop2_invariant "Decided to move invariant"
FAIL: g++.dg/pr80481.C  -std=gnu++14  scan-assembler-not vmovaps
FAIL: g++.dg/pr80481.C  -std=gnu++17  scan-assembler-not vmovaps
FAIL: g++.dg/pr80481.C  -std=gnu++98  scan-assembler-not vmovaps

New passes:
FAIL: gcc.target/i386/minmax-6.c scan-assembler-not rsp
FAIL: libgomp.c/scan-13.c scan-tree-dump-times vect "vectorized [2-6] loops" 2
FAIL: libgomp.c/scan-17.c scan-tree-dump-times vect "vectorized [2-6] loops" 2