Genode Compilation Flags - Optimization

[Stefan Kalkowski]

On 06/23/2016 11:42 AM, Martin Stein wrote:
> You can try compiling it by modifying CC_OLEVEL in your
> <build_dir>/etc/tools.conf (by the default, this file doesn't exist, so
> you would have to create it):
> 
> CC_OLEVEL = -O3

As supplement: this will change the optimization flag for all Genode
components including the kernel.
If you want to change it for a component only, add above line into its
target.mk file instead of the global <build_dir>/etc/tools.conf file.

Regards
Stefan

> 
> You can verify if it is applied by adding VERBOSE= to your make call:
> 
> VERBOSE= make <target>
> 
> Cheers,
> Martin
> 
> Am 23.06.2016 um 10:32 schrieb Tiago Brito:
>> Hi, I've been trying to benchmark two similar programs, one running in
>> the NW and another running in the SW of a i.MX53 QSB. I've adapted the
>> tz_vmm example to run the SW program and the NW program is running on
>> top of Linux.
>>
>> I compiled my NW program with the -O3 optimization flag and I'm
>> wondering if the code in tz_vmm can also be compiled with this flag in
>> order to have the same optimization flag in both scenarios.
>>
>> If it's possible, what do I have to change in order to achieve this?
>>
>> Thanks in advance! Tiago
>>
>>
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-- 
Stefan Kalkowski
Genode Labs

http://www.genode-labs.com/ · http://genode.org/