* Option -00?
@ 2005-04-14 20:36 JS
2005-04-14 20:52 ` Daniel Jacobowitz
0 siblings, 1 reply; 4+ messages in thread
From: JS @ 2005-04-14 20:36 UTC (permalink / raw)
To: gdb
I read that you could give gcc an -00 or -OO option. Is it double zero or
double O and what does the option do?
I searched the "man gcc" for both -00 and -OO but found nothing.
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Option -00?
2005-04-14 20:36 Option -00? JS
@ 2005-04-14 20:52 ` Daniel Jacobowitz
2005-04-15 8:30 ` JS
0 siblings, 1 reply; 4+ messages in thread
From: Daniel Jacobowitz @ 2005-04-14 20:52 UTC (permalink / raw)
To: JS; +Cc: gdb
On Thu, Apr 14, 2005 at 10:35:47PM +0200, JS wrote:
> I read that you could give gcc an -00 or -OO option. Is it double zero or
> double O and what does the option do?
>
> I searched the "man gcc" for both -00 and -OO but found nothing.
Search a little harder?
-O0 Do not optimize. This is the default.
That's a zero.
--
Daniel Jacobowitz
CodeSourcery, LLC
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: Option -00?
2005-04-14 20:52 ` Daniel Jacobowitz
@ 2005-04-15 8:30 ` JS
2005-04-15 8:42 ` Re[2]: " Konstantin Karganov
0 siblings, 1 reply; 4+ messages in thread
From: JS @ 2005-04-15 8:30 UTC (permalink / raw)
To: gdb
Daniel Jacobowitz wrote:
> On Thu, Apr 14, 2005 at 10:35:47PM +0200, JS wrote:
>> I read that you could give gcc an -00 or -OO option. Is it double zero or
>> double O and what does the option do?
>>
>> I searched the "man gcc" for both -00 and -OO but found nothing.
>
> Search a little harder?
>
> -O0 Do not optimize. This is the default.
>
> That's a zero.
>
Is it an O like in ONE followed by a zero?
When you say its default does it mean that it is turned on even if I don't
specify it to gcc?
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re[2]: Option -00?
2005-04-15 8:30 ` JS
@ 2005-04-15 8:42 ` Konstantin Karganov
0 siblings, 0 replies; 4+ messages in thread
From: Konstantin Karganov @ 2005-04-15 8:42 UTC (permalink / raw)
To: JS; +Cc: GDB
Hello JS,
> Is it an O like in ONE followed by a zero?
Yes, a letter O followed by zero ("zero Optimization")
> When you say its default does it mean that it is turned on even if I don't
> specify it to gcc?
It means that if you do not ask for optimization, gcc does no
optimization :)
--
Best regards,
Konstantin
^ permalink raw reply [flat|nested] 4+ messages in thread
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2005-04-14 20:36 Option -00? JS
2005-04-14 20:52 ` Daniel Jacobowitz
2005-04-15 8:30 ` JS
2005-04-15 8:42 ` Re[2]: " Konstantin Karganov
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