PATCH: optimization/5844: Bad code generated for -O2 -mcpu=i586

Richard Henderson
Wed Mar 6 13:45:00 GMT 2002

On Wed, Mar 06, 2002 at 09:53:02AM -0800, H . J . Lu wrote:
> How about this patch?

Your line of attack is incorrect.  The problem is not with
copyprop_hardreg_forward_1 at all.  The problem is shared rtl.

The mem in insn 83 is shared with the mem in insn 85.  This
is the bug.


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