Re: [Qemu-devel] [PATCH 02/10] compiler.h: add QEMU_CACHELINE + QEMU_ALIGN() + QEMU_CACHELINE_ALIGNED

[Peter Maydell]

On 5 April 2016 at 17:31, Richard Henderson <address@hidden> 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.

Doesn't work on OSX x86 either, since the gcc-to-clang wrapper
doesn't support --help=params :-)

thanks
-- PMM