Re: LIM/Alias Analysis performance issue

2010-04-16 Thread Richard Guenther
On Fri, Apr 16, 2010 at 11:18 PM, Andrew Pinski wrote: > On Fri, Apr 16, 2010 at 10:40 AM, Lu, John wrote: >> Hi, >> >> I've encountered a performance issue in a port of GCC I'm working on, >> where the behavior of LIM is affected by the ordering of fields in a >> structure.  I've been able to re

Re: LIM/Alias Analysis performance issue

2010-04-16 Thread Richard Guenther
On Fri, Apr 16, 2010 at 7:40 PM, Lu, John wrote: > Hi, > > I've encountered a performance issue in a port of GCC I'm working on, > where the behavior of LIM is affected by the ordering of fields in a > structure.  I've been able to re-create it with a GCC 4.3.1 > Linux X86 compiler.  With GCC 4.3.

Re: LIM/Alias Analysis performance issue

2010-04-16 Thread Andrew Pinski
On Fri, Apr 16, 2010 at 10:40 AM, Lu, John wrote: > Hi, > > I've encountered a performance issue in a port of GCC I'm working on, > where the behavior of LIM is affected by the ordering of fields in a > structure.  I've been able to re-create it with a GCC 4.3.1 > Linux X86 compiler.  With GCC 4.3

LIM/Alias Analysis performance issue

2010-04-16 Thread Lu, John
Hi, I've encountered a performance issue in a port of GCC I'm working on, where the behavior of LIM is affected by the ordering of fields in a structure. I've been able to re-create it with a GCC 4.3.1 Linux X86 compiler. With GCC 4.3.1 Linux X86, when I compile: struct foo { int *p