On 09/19/16 16:23, Richard Biener wrote:
> On 19/09/16 15:49, Bernd Edlinger wrote:
>> On 09/19/16 11:28, Richard Biener wrote:
>>> On Sun, 18 Sep 2016, Jan Hubicka wrote:
>>>
> Hi,
>
>> when expanding code for
>> struct a {short a,b,c,d;} *a;
>> a->c;
>>
>>>
On 19/09/16 15:49, Bernd Edlinger wrote:
> On 09/19/16 11:28, Richard Biener wrote:
>> On Sun, 18 Sep 2016, Jan Hubicka wrote:
>>
Hi,
> when expanding code for
> struct a {short a,b,c,d;} *a;
> a->c;
>
> we first produce correct BLKmode MEM rtx represent
On 09/19/16 11:28, Richard Biener wrote:
> On Sun, 18 Sep 2016, Jan Hubicka wrote:
>
>>> Hi,
>>>
>>> > when expanding code for
>>> > struct a {short a,b,c,d;} *a;
>>> > a->c;
>>> >
>>> > we first produce correct BLKmode MEM rtx representing the whole
>>> > structure *a,
>>> > then we
On 09/18/2016 02:51 PM, Jan Hubicka wrote:
to_rtx = expand_expr (tem, NULL_RTX, VOIDmode, EXPAND_WRITE);
-
- /* If the field has a mode, we want to access it in the
-field's mode, not the computed mode.
-If a MEM has VOIDmode (external with incomplete type),
-
On Sun, 18 Sep 2016, Jan Hubicka wrote:
> > Hi,
> >
> > > when expanding code for
> > > struct a {short a,b,c,d;} *a;
> > > a->c;
> > >
> > > we first produce correct BLKmode MEM rtx representing the whole
> > > structure *a,
> > > then we use adjust_address to turn it into HImode MEM and
> Hi,
>
> > when expanding code for
> > struct a {short a,b,c,d;} *a;
> > a->c;
> >
> > we first produce correct BLKmode MEM rtx representing the whole
> > structure *a,
> > then we use adjust_address to turn it into HImode MEM and finally
> > extract_bitfield is used to offset it by 32 bi
Hi,
> when expanding code for
> struct a {short a,b,c,d;} *a;
> a->c;
>
> we first produce correct BLKmode MEM rtx representing the whole
> structure *a,
> then we use adjust_address to turn it into HImode MEM and finally
> extract_bitfield is used to offset it by 32 bits to get correct va
