GCSE considers read only memory clobbered by function calls.

[Jeffrey A Law]

On Mon, 2005-05-23 at 10:47 +0300, Mostafa Hagog wrote:
> 
> 
> 
> 
> Jeffrey A Law <law@redhat.com> wrote on 09/05/2005 18:17:45:
> 
> > Yes, it looks quite reasonable.  Please go ahead with the full testing
> > cycle and consider the patch pre-approved once complete.
> >
> I have changed the patch according to some feedbacks that I have got -- the
> main idea didn't change. One change is to check the MEM_READONLY_P flag
> also in load_killed_in_block. The new patch is attached below. bootstrap
> passed (with -O2 -g -fgcse -fgcse-las --param max-gcse-passes=3) and no new
> regressions on powerpc-apple-darwin.
> 
> Since I have changed the patch a bit I am asking again for approval to
> commit.
> 
> 2005-05-23 Mostafa Hagog <mustafa@il.ibm.com>
> 
>       * gcse.c (compute_transp, load_killed_in_block): use MEM_READONLY_P.
This is fine.  Please install.

Thanks,
Jeff