Richard,
This patch fixes PR 55315.
When compiling for the mips target with -O2, function f is folded to 0, while
the address of data is not known compile-time:
...
int data[4096];
int
f (void)
{
return (((unsigned int) &data[0]) == 0xdeadbea0U);
}
What happens is that expand turns the c
Tom de Vries writes:
> 2012-11-17 Tom de Vries
>
> PR rtl-optimization/55315
>
> * rtlanal.c (nonzero_address_p): Don't assume a nonzero address plus a
> const is a nonzero address.
>
> * gcc.target/mips/pr55315.c: New test.
OK, thanks.
Richard
On Sun, Nov 18, 2012 at 10:50:53AM +, Richard Sandiford wrote:
> Tom de Vries writes:
> > 2012-11-17 Tom de Vries
> >
> > PR rtl-optimization/55315
> >
> > * rtlanal.c (nonzero_address_p): Don't assume a nonzero address plus a
> > const is a nonzero address.
> >
> > * gcc.ta
On 19/11/12 14:00, Jakub Jelinek wrote:
> On Sun, Nov 18, 2012 at 10:50:53AM +, Richard Sandiford wrote:
>> Tom de Vries writes:
>>> 2012-11-17 Tom de Vries
>>>
>>> PR rtl-optimization/55315
>>>
>>> * rtlanal.c (nonzero_address_p): Don't assume a nonzero address plus a
>>> const
