[dpdk-dev] [PATCH] build: add -moutline-atomics to default Arm build

[Thomas Monjalon]

01/10/2020 08:19, Juraj Linkeš:
> -moutline-atomics allows LSE instructions to be used if available when
> compiling for ARMv8.0 instruction set. It's enabled by default on newer
> compilers, such as gcc-10.1. Enable the option so that earlier compiler
> versions that support it but don't enable it by default build with it.
> 
> Signed-off-by: Juraj Linkeš <juraj.linkes at pantheon.tech>
> ---
>  machine_args_generic = [
> -	['default', ['-march=armv8-a+crc']],
> +	['default', ['-march=armv8-a+crc', '-moutline-atomics']],
>  	['native', ['-march=native']],
>  	['0xd03', ['-mcpu=cortex-a53']],
>  	['0xd04', ['-mcpu=cortex-a35']],

Why is it added only to the target "default"?