[Bug testsuite/52563] FAIL: gcc.dg/tree-ssa/scev-[3,4].c scan-tree-dump-times optimized "&a" 1

[liujiangning at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52563

--- Comment #6 from Jiangning Liu <liujiangning at gcc dot gnu.org> 2012-03-20 02:32:12 UTC ---
> We cannot fix it without relaxing the POINTER_PLUS_EXPR constraints.
> I was working on that, but as usual the TYPE_IS_SIZETYPE removal
> has priority.

Do you mean you are also working on removing TYPE_IS_SIZETYPE?

> 
> Please consider fixing/XFAILing the testcases as they still FAIL and you
> are responsible for this.  You can open a new enhancement PR covering
> this.
> 

I think 64-bit mode should also have this optimization enabled. XFAIL implies
the missing of this optimization is a correct behavior. But I think this is not
what I expected. So I don't think we should add XFAIL for this case. Instead I
want to add a new test case scev-5.c to cover 64-bit testing.

Thanks,
-Jiangning