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Re: initial vectorization functionality now in mainline
- From: Richard Henderson <rth at redhat dot com>
- To: Dorit Naishlos <DORIT at il dot ibm dot com>
- Cc: gcc-patches at gcc dot gnu dot org, gcc at gcc dot gnu dot org, mitchell at mail dot codesourcery dot com, Devang Patel <dpatel at apple dot com>, Olga Golovanevsky <OLGA at il dot ibm dot com>, Ira Rosen <IRAR at il dot ibm dot com>
- Date: Tue, 17 Aug 2004 10:02:17 -0700
- Subject: Re: initial vectorization functionality now in mainline
- References: <20040816213123.GC23964@redhat.com> <OFB70863E2.65647FCD-ONC2256EF3.00466173-C2256EF3.005B4463@il.ibm.com>
On Tue, Aug 17, 2004 at 07:36:52PM +0300, Dorit Naishlos wrote:
> 1) Most of the xfails on i*86 and x86_64 are due to the new restriction I
> added that considers STACK_BOUNDARY. Can something better be done for these
> platforms? (should I check against PREFERRED_STACK_BOUNDARY instead?)
We're supposed to hope, but not rely, on PREFERRED_STACK_BOUNDARY
being correct. But I guess until someone implements forced stack
alignment, we can't really use SSE otherwise.
I guess so. Need a comment that it's not 100% correct there.