[Bug optimization/14272] [tree-ssa] miscompilation of __exchange_and_add (atomicity.h)

[dnovillo at redhat dot com]

------- Additional Comments From dnovillo at redhat dot com  2004-02-25 19:52 -------
Subject: Re:  [tree-ssa] miscompilation of
	__exchange_and_add (atomicity.h)

On Wed, 2004-02-25 at 13:20, amacleod at redhat dot com wrote:
> ------- Additional Comments From amacleod at redhat dot com  2004-02-25 18:20 -------
> Err, did you try that patch on a testsuite run?
> 
Nope.  I only checked that it fixed this specific problem.  I didn't
mean to apply the patch until you checked it out.

> It seems to me that you still need to look through the operands and kill any
> active partition experssions which are dependent on the uses and defs. Ie, you
> wouldn't make anything replaceable, but you do need to remove things from the
> current search list.
> 
Yes, I had the feeling that it was a bit heavy handed.


Diego.



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14272