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Re: [Qemu-devel] [PATCH 44/60] AArch64: Add division instruction family


From: Richard Henderson
Subject: Re: [Qemu-devel] [PATCH 44/60] AArch64: Add division instruction family emulation
Date: Fri, 27 Sep 2013 13:54:01 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130805 Thunderbird/17.0.8

On 09/26/2013 05:48 PM, Alexander Graf wrote:
> +    if (is_32bit) {
> +        if (is_signed) {
> +            tcg_gen_ext32s_i64(cpu_reg(rd), cpu_reg(rd));
> +        } else {
> +            tcg_gen_ext32u_i64(cpu_reg(rd), cpu_reg(rd));
> +        }
> +    }

Incorrect.  Result is always zero-extended.


r~



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