On 20.10.20 17:11, Richard Henderson wrote:
> On 10/20/20 7:17 AM, David Hildenbrand wrote:
>>> +    case CC_OP_ADDU:
>>
>> Can you give me a hint how we're converting the carry into a borrow?
>>
>> Can we apply something similar to compute_carry()?
>>
>>> +        tcg_gen_subi_i64(cc_src, cc_src, 1);
> 
> Right here: subtract one.
> 
>   carry = {1,0} -> borrow = {0,-1}

Ok, so it's really that simple :)

Thanks!

-- 
Thanks,

David / dhildenb


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