[PATCH] Fix store motion, revised PRE memory handling

[Richard Henderson]

On Mon, Jul 16, 2001 at 01:45:02AM -0400, Daniel Berlin wrote:
> There is a consistent pattern of
> 
> if (load_killed_in_block_p (...)) <which is the way you want to handle it>
> if (mem_*set_* crap) <which is what we used to do>

Wow, that's ... stunning.  I can only guess that there was
a botched cvs merge at some point in the past.

> This patch won't be committed until a proper fix is committed to df.c
> to fix the not marking all the right regs as def'd in call insns, but
> i'd still like it reviewed anyway, since that's just a simple matter
> to fix anyway.

I'm working on that.

This is a somewhat large-ish.  Would you split out the stupidity
killing into a separate patch?  It would make it easier to examine
the actual logic changes you've got in there.


r~