Where the comments just say "Fall through", or equivalent, and there's
no other explanation I think those comments are now redundant and should
be removed.
So remove:
/* Fall through. */
but keep things like:
/* Fall through - if the lane index isn't a constant then
2016-07-11 Marek Polacek
PR c/7652
* config/aarch64/aarch64-builtins.c (aarch64_simd_expand_args): Add
gcc_fallthrough.
* config/aarch64/aarch64-simd.md: Likewise.
* config/aarch64/aarch64.c (aarch64_expand_mov_immediate): Likewise.
(aarch64_print_operan
