need help with 176.gcc from SPEC CPU2000 on LP64 with GCC 3

Janis Johnson janis187@us.ibm.com
Tue Feb 12 11:18:00 GMT 2002


On Tue, Feb 12, 2002 at 10:45:21AM -0800, Dale Johannesen wrote:
> 
> On Tuesday, February 12, 2002, at 10:32 AM, Janis Johnson wrote:
> 
> > When I build 176.gcc from SPEC CPU2000 on ia64-unknown-linux-gnu, no
> > matter what options I use, it gets a segv in memset called from
> > life_analysis.  Has anyone successfully run this benchmark in an LP64
> > environment using GCC 3.x?  If so, would you please let me know which
> > extra flags you used and anything else you needed to do?  The SPEC web
> > site has a config file used for Alpha, but I didn't recognize anything
> > else as IA64 and the Alpha configuration didn't seem to do anything
> > special.
> 
> -DSPEC_CPU2000_LP64 looks worth a try (see 176.gcc/src/config.h).  They
> claim it's not required but you never know

Yes, I've tried with and without that.  I've also tried
-Dalloca=__builtin_alloca, as is done on Alpha, but I think GCC uses
builtins by default.

Janis



More information about the Gcc mailing list