On 15/02/2019 19:15, Jim Wilson wrote:
> On Thu, Feb 14, 2019 at 11:33 PM Paulo Matos wrote:
>> Are global variables not supposed to alias each other?
>> If I indeed do that, gcc still won't group loads and stores:
>> https://cx.rv8.io/g/rFjGLa
>
> I meant something like
> struct foo_t x, y;
>
On Thu, Feb 14, 2019 at 11:33 PM Paulo Matos wrote:
> Are global variables not supposed to alias each other?
> If I indeed do that, gcc still won't group loads and stores:
> https://cx.rv8.io/g/rFjGLa
I meant something like
struct foo_t x, y;
and now they clearly don't alias. As global pointers
On 14/02/2019 19:56, Jim Wilson wrote:
> On 2/14/19 3:13 AM, Paulo Matos wrote:
>> If I compile this with -O2, sched1 groups all loads and all stores
>> together. That's perfect. However, if I change TYPE to unsigned char and
>> recompile, the stores and loads are interleaved.
>>
>> Further inve
On 2/14/19 3:13 AM, Paulo Matos wrote:
If I compile this with -O2, sched1 groups all loads and all stores
together. That's perfect. However, if I change TYPE to unsigned char and
recompile, the stores and loads are interleaved.
Further investigation shows that for unsigned char there are extra
d
