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Re: [PATCH]: Fix pointer arithmetic handling in tree-ssa-structalias.c
On Wed, Dec 13, 2006 at 08:26:15PM -0500, Daniel Berlin wrote:
> On 12/13/06, H. J. Lu <firstname.lastname@example.org> wrote:
> >On Wed, Dec 13, 2006 at 01:57:09PM -0500, Daniel Berlin wrote:
> >> On 12/13/06, Grigory Zagorodnev <email@example.com>
> >> >Daniel,
> >> >Your patch caused cpu2006/gcc to fail (results miscompare) at -O2
> >> >optimization level with 'test' dataset on ia32.
> >> Uh, I was told by HJ that it actually fixes CPU2006.
> >> Also, without a small testcase that doesn't involve CPU2006 (which i
> >> don't have access to), i can't do anything.
> >There are 2 issus. That patch fixes 464.h264ref in SPEC CPU 2006
> >on x86-64 and SPEC CPU 2006 runs ok on x86-64. But it breaks 403.gcc
> >in SPEC CPU 2006 on i686.
> Well, I still can't do anything without a small testcase.
I was told that
was the real cause. I will verify that.