Patch to improve jump_optimize_1

[Richard Henderson]

On Mon, Apr 09, 2001 at 12:07:52AM -0400, John Wehle wrote:
> Why does this piece of code still exist in jump_optimize_1?

Because no one's gotten around to removing it.

> This piece of code does seem a little redundant given the existence of
> delete_trivially_dead_insns.  Possibly the whole for loop should just
> be replaced with a call to delete_trivially_dead_insns which also
> addresses the libcall issue.  What do you think?

That plus the delete_noop_moves call just above.  Plus
it needn't be done only after_regscan, since cse does
its own counting.


r~