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Re: [Qemu-devel] [RFC v3 15/24] riscv: tcg-target: Add the add2 and sub2


From: Richard Henderson
Subject: Re: [Qemu-devel] [RFC v3 15/24] riscv: tcg-target: Add the add2 and sub2 instructions
Date: Tue, 11 Dec 2018 20:51:40 -0600
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.3.1

On 12/7/18 6:48 PM, Alistair Francis wrote:
> +static void tcg_out_addsub2(TCGContext *s,
> +                            TCGReg rl, TCGReg rh,
> +                            TCGReg al, TCGReg ah,
> +                            TCGReg bl, TCGReg bh,
> +                            bool cbl, bool cbh, bool is_sub, bool is32bit)

bl and bh must be TCGArg, since they may be constants, as indicated by cbl+cbh.


r~



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