Thanks for your prompt support.
Now the task is to check the different compilers.
Is someone knows some of them is actually using the ARMv5t extended
instructions please let me know.
Clifford Slocombe wrote:
> Michele venturi Misha wrote:
>> How is it possible to enable the usage of ARMv5T core DSP extensions in
>> AT91SAM9G20 at the gcc compiler level ?
> The DSP extensions are an intrinsic part of the ARM926EJ-S, so you will
> at least have to set the -mcpu option to -mcpu=arm926ej-s (that much you
> could get from the manual:
> Of course that is no guarantee that the compiler will use such
> extensions, in fact I would say that it is unlikely, however it should
> make the instructions available to the in-line assembler so you can
> hand-optimise your code in assembler.