This looks an awful lot like
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52856 (at least from the
familiar diff).
Peter
On Mon, Dec 30, 2013 at 7:07 AM, nick clifton <ni...@redhat.com> wrote:
> Hi Lorenzo,
> > Anyway I opened a bug on the gcc report system; I even devised a two
> > liner which reproduces the issue, so at least they can look at it
> > easily.
>
> For which I thank you very much... :-)
>
> I have a patch which fixes the problem - at least for the test case you
> supplied. I am running it through some local regressions tests before
> submitting it to the FSF, but if you fancy having a go yourself, here it
> is:
>
> Index: stor-layout.c
> ===================================================================
> --- stor-layout.c (revision 206241)
> +++ stor-layout.c (working copy)
> @@ -2816,7 +2816,8 @@
> enum machine_mode target_mode,
> rtx *mmin, rtx *mmax)
> {
> - unsigned size = GET_MODE_BITSIZE (mode);
> + /* PR 59613: Use the precision of the mode, not its bitsize. */
> + unsigned size = GET_MODE_PRECISION (mode);
> unsigned HOST_WIDE_INT min_val, max_val;
>
> gcc_assert (size <= HOST_BITS_PER_WIDE_INT);
>
> In my defense I should point out that this is a bug in generic gcc code
> and not the MSP430 backend. Of course I also should have picked up this
> problem a long time ago rather than letting it get out into the wilds.
> Ho Hum.
>
> Cheers
> Nick Clifton
>
> PS.
> For anyone following this thread who wants to see the GCC bug report,
> it can be found here:
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59613
>
>
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