Re: BIT_ANDTC_EXPR - kill it?

[Geoff Keating <geoffk at geoffk dot org>]

Josef Zlomek <zlomj9am@artax.karlin.mff.cuni.cz> writes:

> > what means the operation with tree code BIT_ANDTC_EXPR?
> > I can't find a documentation about it.
> 
> In fold-const.c, I have found this:
> 
>     case BIT_ANDTC_EXPR:
>       low = int1l & ~int2l, hi = int1h & ~int2h;
>       break;
> 
> In ./gcc/cp/lex.c:
>   operator_name_info [(int) BIT_ANDTC_EXPR].name = "&~";
> 
> As I expected, it seems to be X & ~Y.
> 
> 
> 
> 
> What do you think about killing BIT_ANDTC_EXPR ?
> 
> There are only few uses of it, majority of them is in something like
> this:
> case BIT_AND_EXPR:
> case BIT_ANDTC_EXPR:
> case BIT_OR_EXPR:
>   something;
>   break;

It does seem to be unnecessary.  Would you like to make a patch?

-- 
- Geoffrey Keating <geoffk@geoffk.org>