[Bug optimization/14848] [tree-ssa] prefer EQ_EXPR and NE_EXPR to ordered comparisons

[dnovillo at redhat dot com]

------- Additional Comments From dnovillo at redhat dot com  2004-04-08 23:08 -------
Subject: Re:  [tree-ssa] prefer EQ_EXPR and NE_EXPR
	to ordered comparisons

On Thu, 2004-04-08 at 18:53, law at redhat dot com wrote:

> Interestingly it also fixes a couple of the execute/loop-blah.c failures
> probably because we pass slightly better trees down to the RTL optimizers
> and thus avoiding some latent backend bug.
> 
Excellent.

> It initially appeared that the patch was causing 12658_thread.cc to 
> regress.  However, further testing has shown that 12658_thread.cc appears
> to randomly fail -- same binary works sometimes and fails other times.
> That behavior is independent of this patch.
> 
Yes.  12658_thread.cc is very volatile.  I get the same behaviour out of
it.


Diego.



-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14848