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Re: [PING][PATCH][REVISED] Fix PR middle-end/PR28690, modify swap_commutative_operands_p

Hi,

On Thu, 21 Jun 2007, H. J. Lu wrote:

> > I had to refresh the patch (attached below) since the last time I 
> > posted it due to the dataflow merge.  I bootstrapped and regtested it 
> > on powerpc64-linux and everything still looks good.  Is this patch ok 
> > for mainline once the freeze is over?
> 
> Gcc 4.3 revision 125901 miscompiles 447.dealII in SPEC CPU 2006 and 
> revision 125849 is OK. I have to rebuild my gcc with revision 125849 and 
> restart my SPEC 2000/2006 runs. It will take a while.

Note that trunk miscomples dealII anyway, see PR32303 (an instance of 
PR30252), which is fixed (or worked around depending on whom you ask) in 
4.2 but not on trunk.  The nature of the bug makes it possible that it's 
randomly exposed or hidden by unrelated changes.


Ciao,
Michael.
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