On Mon, Nov 12, 2018 at 10:15 AM Richard Henderson
<richard.hender...@linaro.org> wrote:
>
> On 11/12/18 12:36 AM, Philippe Mathieu-Daudé wrote:
> > +dclz            011100 ..... ..... ..... ..... 100100   @rs_rt_rd   
> > ?ctx->insn_flags&ISA_MIPS64
> > +dclo            011100 ..... ..... ..... ..... 100101   @rs_rt_rd   
> > ?ctx->insn_flags&ISA_MIPS64
>
> This syntax I do not like.  I preferred your other form,
>
>   >isa(ISA_MIPS64)
>
> which, with a change to return false as I suggested, would
> have the same effect.
>
> As an aside, you could do
>
> #define check_isa(ctx, which)  ((ctx)->insn_flags & ISA_##which)
>
> to reduce the decode markup to
>
>   >isa(MIPS64)

Very good idea! Thanks :)

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