Re: [Tinycc-devel] Ready for Release 0.9.27

[Michael Matz]

Hi,

On Fri, 10 Feb 2017, grischka wrote:

> > FYI, GCC 6 behaves in the same way with -std=c89, -std=c99 and -std=c11.
> > Ditto for Clang 3.9.
>
> I wouldn't really mind if we change the behavior.

I think we should.  If still for 0.9.27 I don't know.  It's a subtle 
change breaking stuff in strange corners.


Ciao,
Michael.

> Basically tccgen.c contains 8 lines (in gen_op/expr_cond) similar to
>
>     if ((t1 & (VT_BTYPE | VT_UNSIGNED)) == (VT_LLONG | VT_UNSIGNED) ...
>     if ((t1 & (VT_BTYPE | VT_UNSIGNED)) == (VT_INT | VT_UNSIGNED) ...
>
> Maybe we just need to change these like this
>     if ((t1 & (VT_BTYPE | VT_UNSIGNED | VT_BITFIELD)) == ....
>
> Note that VT_BITFIELD set implies bit-field width < original type width.
>
> --- grischka
>
>
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