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Re: gcc 3.4.0 running error for 173.applu on Itanium 2


I tried O1, and it works.  By turning off individual compilation
flag in O2, I found "-O2 -fno-gcse" works.   It seems "gcse" causes
the problem.

Maybe I should tried other versions compilers and submit a bug report.

Qiong


On Thu, May 13, 2004 at 11:21:50PM -0700, Jim Wilson wrote:
> Qiong Cai wrote:
> >I just tried spec2000(C/C++/F77) by using gcc 3.4.0, and 173.applu failed.
> >Linux laplace 2.4.17-mckinley-smp #1 SMP Tue May 14 21:57:05 MDT 2002 ia64 
> >unknown
> 
> I care about SPEC and IA-64.  I will try looking at this.  I am very 
> busy though, so it may take a while.  It would be reasonable to submit a 
> bug report for this so that it doesn't get forgotten.
> 
> At the moment, I don't have SPEC2000 set up on my IA-64 machine, so I am 
> starting from scratch here.
> 
> >All of the benchmarks are compiled under "-O2".  
> > Could anyone please tell me extra gcc  flag to compile applu?
> 
> You can find example config files on the www.spec.org site.  There don't 
> appear to be any special options for 173.applu needed on ia64-linux.
> 
> If you have time, you could try playing with optimization options.  Try 
> just "-O" to see if it works.  If that doesn't work, try "-O0".  If 
> "-O1" works, then you can try adding -f options to try to isolate which 
> one is causing the problem.
> 
> You could also try other compilers, 3.3, mainline (aka 3.5) to see if 
> maybe it is a gcc-3.4 bug.
> -- 
> Jim Wilson, GNU Tools Support, http://www.SpecifixInc.com


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