Re: [PATCH 0/5] MR706: vkd3d-shader/hlsl: Improve SM1 support for non-float operations, part 3.

[Giovanni Mascellani (＠giomasce)]

Giovanni Mascellani (@giomasce) commented about libs/vkd3d-shader/hlsl_codegen.c:
> +            struct hlsl_constant_value zero_value;
> +
> +            memset(operands, 0, sizeof(operands));
> +            operands[0] = arg2_cast;
> +            if (!(neg = hlsl_new_expr(ctx, HLSL_OP1_NEG, operands, float_type, &instr->loc)))
> +                return false;
> +            hlsl_block_add_instr(block, neg);
> +
> +            memset(operands, 0, sizeof(operands));
> +            operands[0] = arg1_cast;
> +            operands[1] = neg;
> +            if (!(sub = hlsl_new_expr(ctx, HLSL_OP2_ADD, operands, float_type, &instr->loc)))
> +                return false;
> +            hlsl_block_add_instr(block, sub);
> +
> +            /* Use MUL as a precarious ABS. */
> Why aren't you using ABS itself?

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https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/706#note_64374