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: x86 inc/dec on core2

On Mon, Apr 09, 2007 at 11:13:17AM -0700, H. J. Lu wrote:
> On Mon, Apr 09, 2007 at 10:51:22AM -0700, Mike Stump wrote:
> > On Apr 8, 2007, at 8:51 PM, Zuxy Meng wrote:
> > >Intel's optimization reference manual says that:
> > 
> > I wasn't going off the documentation...  I'd be more interested in  
> > either benchmarks or in recommendations by Intel people that know the  
> > details of the core2 and the performance impact of those details.
> 
> I am double checking it now.

I have confirmed that inc/dec is good on Core 2 Duo.


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