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Re: [PATCH] gcc.dg/vect/vect-77a.c: xfail for lp64
On Wed, Dec 22, 2004 at 05:17:18PM +0200, Dorit Naishlos wrote:
> actually we would still fail to vectorize for sparc and alpha because of
> lack of alignment support.
No, alpha fails because of lp64-ness. We've got misalignment support.
> The reason this testcase gets vectorized on
> i?86-*-* and x86_64-*-* is that this test uses -mmmx for which misaligned
> accesses are modeled (as opposed to -msse*).
Actually, it fails on x86_64 becuase 64-bit implies sse, which we're
not turning off. And I have a patch to implement misalignment support
for sse (which I'm not totally happy with), and then x86_64 fails
because of lp64-ness.