On Sat, Oct 16, 2010 at 12:37 AM, Paolo Bonzini wrote:
> On 10/15/2010 07:41 PM, Blue Swirl wrote:
>>
>> Which functions are optimized away and which aren't?
>
> It's builtins only that are optimized away or otherwise inlined (printf,
> sprintf, etc.). Other calls stay, together with side effects
On 10/15/2010 07:41 PM, Blue Swirl wrote:
Which functions are optimized away and which aren't?
It's builtins only that are optimized away or otherwise inlined (printf,
sprintf, etc.). Other calls stay, together with side effects and clock
cycles.
Paolo
On Fri, Oct 15, 2010 at 1:33 AM, Paolo Bonzini wrote:
> On 10/14/2010 07:59 PM, Blue Swirl wrote:
>>>
>>> It is even more hypothetical when empty-format printfs are optimized away
>>> by
>>> GCC:
>>>
>>> $ gcc -x c - -O2 -S -o -
>>> #include
>>> main() { printf (""); }
>>>
>>> .file ""
>>
On 10/14/2010 07:59 PM, Blue Swirl wrote:
It is even more hypothetical when empty-format printfs are optimized away by
GCC:
$ gcc -x c - -O2 -S -o -
#include
main() { printf (""); }
.file ""
.text
.p2align 4,,15
.globl main
.type main, @function
main:
.LFB11:
On Thu, Oct 14, 2010 at 5:52 PM, Paolo Bonzini wrote:
> On 10/14/2010 06:38 PM, Blue Swirl wrote:
>>
>> On Thu, Oct 14, 2010 at 9:20 AM, Markus Armbruster
>> wrote:
>>>
>>> Blue Swirl writes:
>>>
On Wed, Oct 13, 2010 at 7:19 AM, Markus Armbruster
wrote:
>
> Blue Swirl writes:
On 10/14/2010 06:38 PM, Blue Swirl wrote:
On Thu, Oct 14, 2010 at 9:20 AM, Markus Armbruster wrote:
Blue Swirl writes:
On Wed, Oct 13, 2010 at 7:19 AM, Markus Armbruster wrote:
Blue Swirl writes:
On Mon, Oct 11, 2010 at 12:52 PM, Markus Armbruster wrote:
Warns about this line in check
On Thu, Oct 14, 2010 at 9:20 AM, Markus Armbruster wrote:
> Blue Swirl writes:
>
>> On Wed, Oct 13, 2010 at 7:19 AM, Markus Armbruster wrote:
>>> Blue Swirl writes:
>>>
On Mon, Oct 11, 2010 at 12:52 PM, Markus Armbruster
wrote:
> Warns about this line in check-qjson.c:
>
Blue Swirl writes:
> On Wed, Oct 13, 2010 at 7:19 AM, Markus Armbruster wrote:
>> Blue Swirl writes:
>>
>>> On Mon, Oct 11, 2010 at 12:52 PM, Markus Armbruster
>>> wrote:
Warns about this line in check-qjson.c:
QObject *obj = qobject_from_json("");
The obvious fix (add
On Wed, Oct 13, 2010 at 7:19 AM, Markus Armbruster wrote:
> Blue Swirl writes:
>
>> On Mon, Oct 11, 2010 at 12:52 PM, Markus Armbruster
>> wrote:
>>> Warns about this line in check-qjson.c:
>>> QObject *obj = qobject_from_json("");
>>>
>>> The obvious fix (add -Wno-format-zero-length to gcc_
Blue Swirl writes:
> On Mon, Oct 11, 2010 at 12:52 PM, Markus Armbruster wrote:
>> Warns about this line in check-qjson.c:
>> QObject *obj = qobject_from_json("");
>>
>> The obvious fix (add -Wno-format-zero-length to gcc_flags) doesn't
>> work, because -Wall switches it on again. Fix by put
On Mon, Oct 11, 2010 at 12:52 PM, Markus Armbruster wrote:
> Warns about this line in check-qjson.c:
> QObject *obj = qobject_from_json("");
>
> The obvious fix (add -Wno-format-zero-length to gcc_flags) doesn't
> work, because -Wall switches it on again. Fix by putting configured
> flags last
On 10/11/2010 02:52 PM, Markus Armbruster wrote:
Warns about this line in check-qjson.c:
QObject *obj = qobject_from_json("");
The obvious fix (add -Wno-format-zero-length to gcc_flags) doesn't
work, because -Wall switches it on again. Fix by putting configured
flags last.
Signed-off-by:
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