[Bug target/80479] [7/8 Regression] strcmp() produces valgrind errors on ppc64le

jseward at acm dot org gcc-bugzilla@gcc.gnu.org
Fri Nov 17 12:58:00 GMT 2017


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80479

jseward at acm dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jseward at acm dot org

--- Comment #17 from jseward at acm dot org ---
(In reply to acsawdey from comment #13)
> The tests that I have done show that the inline code is 2-3x faster than
> glibc (depending on which glibc you are testing).

Are you sure this transformation is actually a win on real (big) programs?
The inline translation is so verbose that I wonder how many instances you
need before you wind up adversely affecting your icache miss rates.


More information about the Gcc-bugs mailing list