On 10/17/2017 03:03 PM, Emilio G. Cota wrote: > On Mon, Oct 16, 2017 at 10:25:29 -0700, Richard Henderson wrote: >> From: Richard Henderson <r...@twiddle.net> >> >> Copy s->nb_globals or s->nb_temps to a local variable for the purposes >> of iteration. This should allow the compiler to use low-overhead >> looping constructs on some hosts. >> >> Reviewed-by: Alex Bennée <alex.ben...@linaro.org> >> Signed-off-by: Richard Henderson <r...@twiddle.net> > > Reviewed-by: Emilio G. Cota <c...@braap.org> > > FWIW on a Skylake host I couldn't measure a difference. However, the > generated code is indeed slightly different.
I wouldn't expect so. Low-overhead loops are more of a ppc thing. r~
