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Re: [patch] (4.1 project list, stage 1.1) vectorizer alignmentimprovements
- From: Richard Earnshaw <rearnsha at gcc dot gnu dot org>
- To: Ulrich Weigand <uweigand at de dot ibm dot com>
- Cc: Dorit Naishlos <DORIT at il dot ibm dot com>, gcc-patches <gcc-patches at gcc dot gnu dot org>, Mark Mitchell <mark at codesourcery dot com>
- Date: Wed, 16 Mar 2005 08:59:07 +0000
- Subject: Re: [patch] (4.1 project list, stage 1.1) vectorizer alignmentimprovements
- Organization: GNU
- References: <200503152206.j2FM6MsZ018434@53v30g15.boeblingen.de.ibm.com>
On Tue, 2005-03-15 at 22:06, Ulrich Weigand wrote:
> Dorit Naishlos wrote:
>
> >! DR_MISALIGNMENT (dr) %= UNITS_PER_SIMD_WORD;
>
> This gives a compile-time "division by zero" bootstrap error
> on platforms where UNITS_PER_SIMD_WORD is undefined (and thus
> defaults to zero).
>
> Bye,
> Ulrich
I think we should start a 48-hour timer on this one. It breaks a
significant number of platforms and prevents building cc1.
R.