This is the mail archive of the gcc@gcc.gnu.org mailing list for the GCC project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

Re: ifcvt related i386 misscompilation (3.1 branch and mainline)

From: Jan Hubicka <jh at suse dot cz>
To: Richard Henderson <rth at redhat dot com>, Jan Hubicka <jh at suse dot cz>,gcc at gcc dot gnu dot org, aj at suse dot de
Date: Mon, 22 Apr 2002 23:35:44 +0200
Subject: Re: ifcvt related i386 misscompilation (3.1 branch and mainline)
References: <20020422203440.GF15912@atrey.karlin.mff.cuni.cz> <20020422143336.B32370@redhat.com>

> On Mon, Apr 22, 2002 at 10:34:40PM +0200, Jan Hubicka wrote:
> > I am attaching testcase that does reproduce misscompilation.
> 
> You didn't give compilation options.  I can't reproduce this
> with -O2 -msse2 or -O2 -msse2 -mfpmath=sse.
 
Ooops, sorry
It definitly reproduces on x86_64 compilation (--target=x86_64-unknown-linux
-O2). I was testing it with -O2 -msse2 -march=athlon-xp -mfpmath=sse and it
seemed to do the same.

I can double check.

Honza
> 
> 
> r~

Follow-Ups:
- Re: ifcvt related i386 misscompilation (3.1 branch and mainline)
  - From: Richard Henderson

References:
- ifcvt related i386 misscompilation (3.1 branch and mainline)
  - From: Jan Hubicka
- Re: ifcvt related i386 misscompilation (3.1 branch and mainline)
  - From: Richard Henderson

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]