[Bug middle-end/58529] Loop 30% faster with Intel than with GCC

[glisse at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58529

--- Comment #5 from Marc Glisse <glisse at gcc dot gnu.org> ---
I actually see gcc 4 times (not just 30%) slower than icpc here using the same
command lines. The asm produced by gcc contains tons of mov insn.