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From: "Dario Saccavino" <kathoum@gmail.com>
To: "Tom Browder" <tom.browder@gmail.com>
Cc: "Andrew Haley" <aph@redhat.com>,
	 	"Lasse Kliemann" <lasse-list-gcc-2008@mail.plastictree.net>,
	 	gcc-help@gcc.gnu.org
Subject: Re: 4.3.0 strange problem with computation and optimization
Date: Thu, 13 Mar 2008 10:37:00 -0000	[thread overview]
Message-ID: <b6621a6e0803130336r9c80013iee38fc082f28af2c@mail.gmail.com> (raw)
In-Reply-To: <8bc817ee0803130330o2f0f03c3q75fd535f640fc1c1@mail.gmail.com>

> > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=323
>
>
> Did all lose interest?  Or is there a plan to do some kind of fix?
>

I haven't found any comment on the effect of sse/sse2 on this "bug".

Anybody knows if using -msse2 -mfpmath=sse can help obtain a better
conformant assembly? The sse regs should have the correct precision
(32 for float, 64 for double), so maybe part of the undesired
behaviour can be avoided.

    Dario

  parent reply	other threads:[~2008-03-13 10:37 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-03-12 17:26 Lasse Kliemann
2008-03-12 17:34 ` Andrew Haley
2008-03-12 17:35   ` Andrew Haley
2008-03-13 10:31     ` Tom Browder
2008-03-13 10:36       ` Andrew Haley
2008-03-13 10:37       ` Dario Saccavino [this message]
2008-03-14 15:12         ` Ian Lance Taylor
2008-03-14 17:09         ` Lasse Kliemann
2008-03-15  1:20 ` Tim Prince

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