Regressions on trunk at revision 166520 vs revision 166486

[H.J. Lu Intel64]

New failures:
FAIL: gcc.target/i386/recip-vec-sqrtf-avx.c scan-assembler-times vrsqrtps[ \\t]+[^\n]*%ymm 4

New passes:
FAIL: gcc.dg/guality/sra-1.c  -Os  line 20 a.j == 14
FAIL: gcc.dg/guality/sra-1.c  -Os  line 31 a[1] == 14