RVV didn't explictly enable DIV_POW2 optab but we cen vectorize it.
We should check pattern recognition instead of explicit pattern check.
gcc/testsuite/ChangeLog:
* gcc.dg/vect/vect-sdiv-pow2-1.c: Fix dump check.
return 0;
}
-/* { dg-final { scan-tree-dump {\.DIV_POW2} "vect" { target vect_sdiv_pow2_si } } } */
+/* { dg-final { scan-tree-dump "vect_recog_divmod_pattern: detected" "vect" } } */
/* { dg-final { scan-tree-dump-times "vectorized 1 loop" 18 "vect" { target vect_sdiv_pow2_si } } } */