[Bug c/46186] Clang creates code running 1600 times faster than gcc's

[jak@jak-linux.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46186

--- Comment #5 from Julian Andres Klode <jak@jak-linux.org> 2010-10-26 14:53:24 UTC ---
(In reply to comment #4)
> GCC's output is significantly faster at -O3 or without the noinline attribute

I just tested and at -O3, gcc-4.4 creates slow code and gcc-4.5 fast code. At
-O2, both are equally fast. The clang 1.1 code at -O2 is as fast as GCC 4.5's
code at -O3.