[Bug tree-optimization/83262] SELECT CASE slower than IF/ELSE

sgk at troutmask dot apl.washington.edu gcc-bugzilla@gcc.gnu.org
Mon Dec 4 17:38:00 GMT 2017


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83262

--- Comment #8 from Steve Kargl <sgk at troutmask dot apl.washington.edu> ---
On Mon, Dec 04, 2017 at 10:03:01AM +0000, dominiq at lps dot ens.fr wrote:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83262
> 
> --- Comment #7 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
> > Dick Henderson in clf claims that there is a bug in the code.
> > You're comparing apples and oranges.  Mike Metcalf ran the
> > code with Dick's suggested change.
> 
> All my timings after comment 3 are done with the change of 'n' to 'i'.
> 

Then you may want to update the testcase.


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