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Re: what optimizations are invalid in java?

From: Richard Henderson <rth at redhat dot com>
To: Andrew Haley <aph at redhat dot com>
Cc: Jan Hubicka <jh at suse dot cz>, Tom Tromey <tromey at redhat dot com>, gcc at gcc dot gnu dot org, java at gcc dot gnu dot org
Date: Wed, 13 Mar 2002 13:21:50 -0800
Subject: Re: what optimizations are invalid in java?
References: <20020310122105.GD13110@atrey.karlin.mff.cuni.cz> <87n0xd1s91.fsf@creche.redhat.com> <20020313100138.GD31812@atrey.karlin.mff.cuni.cz> <15503.10096.252359.827808@cuddles.cambridge.redhat.com>

On Wed, Mar 13, 2002 at 10:18:24AM +0000, Andrew Haley wrote:
>  > This is very good. Do we implement it?  I am pretty sure that currently
>  > we do add EH edges to each FP operation.  This is anoying especially for
>  > FP conditional branches, where CFG code is no longer able to recognize
>  > simple conditional in it.
> 
> That's annoying.

Perhaps the java front end should clear flag_trapping_math.


r~

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