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
Snapshot gcc-7-20190214 is now available on
ftp://gcc.gnu.org/pub/gcc/snapshots/7-20190214/
and on various mirrors, see http://gcc.gnu.org/mirrors.html for details.
This snapshot has been generated from the GCC 7 SVN branch
with the following options: svn://gcc.gnu.org/svn/gcc/branches/gcc-7
I have a question about SPEC CPU 2017 and what GCC can and cannot do
with -flto. As part of some SPEC analysis I am doing I found that with
-Ofast, ICC and GCC were not that far apart (especially spec int rate,
spec fp rate was a slightly larger difference).
But when I added -ipo to the ICC comma
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
Hello,
While working on a private port of riscv, I noticed that upstream shows
the same behaviour.
For the code:
#define TYPE unsigned short
struct foo_t
{
TYPE a;
TYPE b;
TYPE c;
};
void
func (struct foo_t *x, struct foo_t *y)
{
y->a = x->a;
y->b = x->b;
y->c = x->c;
}
If I compil
> -Original Message-
> From: Michael Matz [mailto:m...@suse.de]
> Sent: 2019年2月13日 22:45
> To: Peng Fan
> Cc: gcc@gcc.gnu.org; james.greenha...@arm.com; n...@arm.com;
> jailhouse-...@googlegroups.com; will.dea...@arm.com; Catalin Marinas
>
> Subject: RE: Warning: unpredictable: identica
