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Date: Thu, 7 Nov 2019 11:30:38 +0200
From: Adrian Bunk <bunk@stusta.de>
To: Khem Raj <raj.khem@gmail.com>
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Subject: Re: [PATCH 1/2] tune-riscv: Add support for hard and soft float
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On Wed, Nov 06, 2019 at 04:55:05PM -0800, Khem Raj wrote:
> On Wed, Nov 6, 2019 at 4:48 PM Alistair Francis <Alistair.Francis@wdc.com>
> wrote:
>...
> > -march is another can of worms that I was trying to avoid. I don't have
> > a good way of handling the ISA strings at the moment without some crazy
> > number of tune options.
> 
> We need to handle that but I think that should be in meta-riscv since I
> think for Linux we should just stick to rv64gc ABI and something cross
> distro agreed upon abi for riscv32 and bare metal is another story that’s
> where probably we need to address the ABIs

We have the same problem even worse on arm64,
with billions of combinations available.

A solution is needed in both cases.

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed