http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56522
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target| |x86_64-*-*
--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> 2013-03-08
15:28:29 UTC ---
I don't see any substantial differences in code-generation (register allocation
and some basic-block order differences appear), and I cannot reproduce a
slowdown.
Flags as you cited:
./xgcc -B. -o t t.c -O3 -march=corei7 -fomit-frame-pointer -funroll-loops
-ffast-math -static