On 5/5/21 7:15 PM, Keith Busch wrote:
Thank you, that makes sense. In this case, we are talking about an
integer constant expression for the value of a 'const' symbol. That
seems like perfect fodder for a compiler to optimize. I understand it's
not obligated to do that, but I assumed it would.
On 5/5/21 2:10 PM, Philippe Mathieu-Daudé wrote:
The compiler isn't clever enough to figure 'SEG_CHUNK_SIZE' is
a constant! Help it by using a definitions instead.
This isn't about being clever or not, it's semantics.
In C++, "const int" is a proper constant, but in C it is a variable with a
On 5/6/21 4:15 AM, Keith Busch wrote:
> On Wed, May 05, 2021 at 06:09:10PM -0500, Eric Blake wrote:
>> On 5/5/21 5:07 PM, Philippe Mathieu-Daudé wrote:
>>> +Eric
>>>
>>> On 5/5/21 11:22 PM, Keith Busch wrote:
On Wed, May 05, 2021 at 11:10:31PM +0200, Philippe Mathieu-Daudé wrote:
> The
On May 5 23:10, Philippe Mathieu-Daudé wrote:
The compiler isn't clever enough to figure 'SEG_CHUNK_SIZE' is
a constant! Help it by using a definitions instead.
Signed-off-by: Philippe Mathieu-Daudé
---
hw/block/nvme.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git
On Wed, May 05, 2021 at 06:09:10PM -0500, Eric Blake wrote:
> On 5/5/21 5:07 PM, Philippe Mathieu-Daudé wrote:
> > +Eric
> >
> > On 5/5/21 11:22 PM, Keith Busch wrote:
> >> On Wed, May 05, 2021 at 11:10:31PM +0200, Philippe Mathieu-Daudé wrote:
> >>> The compiler isn't clever enough to figure
On Wed, May 5, 2021, 5:10 PM Eric Blake wrote:
> On 5/5/21 5:07 PM, Philippe Mathieu-Daudé wrote:
> > +Eric
> >
> > On 5/5/21 11:22 PM, Keith Busch wrote:
> >> On Wed, May 05, 2021 at 11:10:31PM +0200, Philippe Mathieu-Daudé wrote:
> >>> The compiler isn't clever enough to figure
On 5/5/21 5:07 PM, Philippe Mathieu-Daudé wrote:
> +Eric
>
> On 5/5/21 11:22 PM, Keith Busch wrote:
>> On Wed, May 05, 2021 at 11:10:31PM +0200, Philippe Mathieu-Daudé wrote:
>>> The compiler isn't clever enough to figure 'SEG_CHUNK_SIZE' is
>>> a constant! Help it by using a definitions instead.
+Eric
On 5/5/21 11:22 PM, Keith Busch wrote:
> On Wed, May 05, 2021 at 11:10:31PM +0200, Philippe Mathieu-Daudé wrote:
>> The compiler isn't clever enough to figure 'SEG_CHUNK_SIZE' is
>> a constant! Help it by using a definitions instead.
>
> I don't understand.
Neither do I TBH...
> It's
On Wed, May 05, 2021 at 11:10:31PM +0200, Philippe Mathieu-Daudé wrote:
> The compiler isn't clever enough to figure 'SEG_CHUNK_SIZE' is
> a constant! Help it by using a definitions instead.
I don't understand. It's labeled 'const', so any reasonable compiler
will place it in the 'text' segment
