[lno] need help with setting may-aliases in the vectorizer

[Dorit Naishlos]

> Set a breakpoint in get_stmt_operands for statement #3 and see why it
> doesn't get any V_MAY_DEFs when the call to bar() isn't present.

thanks, this helped! a fix is coming up

dorit




                                                                                                                                  
                      Diego Novillo                                                                                               
                      <dnovillo@redhat.        To:       Dorit Naishlos/Haifa/IBM@IBMIL                                           
                      com>                     cc:       Richard Henderson <rth@redhat.com>, "gcc@gcc.gnu.org" <gcc@gcc.gnu.org>  
                                               Subject:  Re: [lno] need help with setting may-aliases in the vectorizer           
                      17/06/2004 06:48                                                                                            
                                                                                                                                  




On Wed, 2004-06-16 at 11:02, Dorit Naishlos wrote:

> 3) marking all the may-aliases of 'sa' for renaming
>
Don't you mean, may-aliases of 'tag'?

> 4) pointing vect_ptr to the relevant address (which in this case is the
> pointer 'sa').
>
> 5) creating a data reference using vect_ptr (*vect_p[idx]), and giving it
> an ssa_name.
>
Are you marking the statements you rewrite as modified (modify_stmt)?


> help?
>
Set a breakpoint in get_stmt_operands for statement #3 and see why it
doesn't get any V_MAY_DEFs when the call to bar() isn't present.


Diego.