[Bug target/30961] [4.1/4.2 regression] redundant reg/mem stores/moves

[hjl at lucon dot org]

------- Comment #17 from hjl at lucon dot org  2007-08-02 14:20 -------
(In reply to comment #16)
> (In reply to comment #15)
> > (In reply to comment #14)
> > > (In reply to comment #13)
> > > > Created an attachment (id=13550)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=13550&action=view) [edit]
> > > > An experimental patch
> > > > 
> > > > This patch works for the testcase.
> > > 
> > > i've applied this patch to 4.2.1 and compile testcases:
> > > 
> > > convert/m32/m64 look fine. load/m32/m64 still look unoptimal.
> > > 
> > 
> > Gcc 4.3 works:
> 
> naturally but its not even been released yet.
> users awaiting regression fixes for released compilers ;)
> 

Load is fixed by dataflow merge.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30961