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Re: [Qemu-devel] [RFC v1 11/23] riscv: tcg-target: Add the relocation fu


From: Richard Henderson
Subject: Re: [Qemu-devel] [RFC v1 11/23] riscv: tcg-target: Add the relocation functions
Date: Wed, 21 Nov 2018 18:01:13 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.3.0

On 11/21/18 4:53 PM, Palmer Dabbelt wrote:
> 
> Per the memory model chapter (which is being ratified now), FSD is not atomic
> on rv32i:
> 
>    An FLD or FSD instruction for which XLEN<64 may also be decomposed into a  
>  
> set of component memory operations of any granularity.

Ah, thanks.  I knew I should have checked the manual.  Anyway, that means
*only* the indirect goto_tb method is viable for rv32.


r~



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