Re: [PATCH 05/30] tcg/loongarch: Add register names, allocation order and input/output sets

[WANG Xuerui]

Hi Richard,

On 9/20/21 23:57, Richard Henderson wrote:
> On 9/20/21 1:04 AM, WANG Xuerui wrote:
> > +    /* Argument registers */
> > +    TCG_REG_A0,
> > +    TCG_REG_A1,
> > +    TCG_REG_A2,
> > +    TCG_REG_A3,
> > +    TCG_REG_A4,
> > +    TCG_REG_A5,
> > +    TCG_REG_A6,
> > +    TCG_REG_A7,
> > +};
>
> Generally I'd place the argument registers in reverse usage order.  It 
> means that we'll try to use A7 before A0, which may work to our favor 
> if the called function has less than 8 arguments.
Hmm, is that a trick already employed by other TCG ports? I'll check the 
code and adjust if that proves beneficial indeed.
> But otherwise,
> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
>
>
> r~