This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug tree-optimization/83262] SELECT CASE slower than IF/ELSE
- From: "sgk at troutmask dot apl.washington.edu" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 04 Dec 2017 17:38:46 +0000
- Subject: [Bug tree-optimization/83262] SELECT CASE slower than IF/ELSE
- Auto-submitted: auto-generated
- References: <bug-83262-4@http.gcc.gnu.org/bugzilla/>
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.