Regressions on trunk at revision 180599 vs revision 180562

[H.J. Lu x32]

New failures:
FAIL: gcc.target/i386/avx-cvt-2.c scan-assembler vcvtpd2ps(y[^\n\r]*%xmm|[^\n\r]*xmm[^\n\r]*YMMWORD PTR)
FAIL: gcc.target/i386/avx-cvt-2.c scan-assembler vcvttpd2dq(y[^\n\r]*%xmm|[^\n\r]*xmm[^\n\r]*YMMWORD PTR)
FAIL: gcc.target/i386/avx-cvt-2.c scan-tree-dump-times vect "note: vectorized 1 loops in function" 6
FAIL: gcc.target/i386/avx2-cvt-2.c scan-assembler vcvtpd2ps(y[^\n\r]*%xmm|[^\n\r]*xmm[^\n\r]*YMMWORD PTR)
FAIL: gcc.target/i386/avx2-cvt-2.c scan-assembler vcvttpd2dq(y[^\n\r]*%xmm|[^\n\r]*xmm[^\n\r]*YMMWORD PTR)
FAIL: gcc.target/i386/avx2-cvt-2.c scan-tree-dump-times vect "note: vectorized 1 loops in function" 6
FAIL: gcc.target/i386/sse2-cvt-2.c scan-assembler cvtpd2ps
FAIL: gcc.target/i386/sse2-cvt-2.c scan-assembler cvttpd2dq
FAIL: gcc.target/i386/sse2-cvt-2.c scan-tree-dump-times vect "note: vectorized 1 loops in function" 6

New passes:
FAIL: gcc.dg/torture/vector-shift2.c  -O0  execution test