Peter Maydell writes: > On 5 April 2016 at 17:31, Richard Henderson <r...@twiddle.net> wrote: >> On 04/05/2016 09:23 AM, Lluís Vilanova wrote: >>> >>> Got it! >>> >>> gcc -march=native --help=params -v 2>&1 | grep "param >>> l1-cache-line-size" | sed -e 's/.* --param l1-cache-line-size=\([0-9]\+\) >>> .*/\1/' >> >> >> That will only work on x86, where we can be pretty sure it's 64 anyway.
Oh, you mean l1-cache-line-size is an x86-only parameter in GCC? > Doesn't work on OSX x86 either, since the gcc-to-clang wrapper > doesn't support --help=params :-) Well, my suggestion of adding a configure flag still applies :) Cheers, Lluis
