Re: [PATCH 12/30] tcg/loongarch: Implement not/and/or/xor/nor/andc/orc ops

[Richard Henderson]

On 9/20/21 1:04 AM, WANG Xuerui wrote:
> +    case INDEX_op_andc_i32:
> +    case INDEX_op_andc_i64:
> +        tcg_out_opc_andn(s, a0, a1, a2);
> +        break;

You may want to add the constant case here, implemented with andi, with the constant 
inverted, similarly to the negation of the N constraint.  We do not (but probably should) 
canonicalize andc/orc/eqv constants to and/or/xor during optimization...

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>


r~