Re: [PATCH] arc: Add --with-fpu support for ARCv2 cpus

[Jeff Law via Gcc-patches]

On 6/4/2021 1:29 AM, Claudiu Zissulescu via Gcc-patches wrote:
Hi Jeff,

I would like to add spport for selecting the ARCv2 FPU extension at
configuration-time.

The --with-fpu configuration option is ignored when -mfpu compiler
option is specified.

My concern is using `grep -P` when configuring. Is that ok?

Thanks,
Claudiu

gcc/
yyyy-mm-dd  Claudiu Zissulescu  <claz...@synopsys.com>

        * config.gcc (arc): Add support for with_cpu option.
        * config/arc/arc.h (OPTION_DEFAULT_SPECS): Add fpu.
I strongly suspect -P is a GNU-ism and probably won't work on other 
hosts were GCC is still used.  I'd avoid it and look for an alternate 
solution.

jeff