* The method of determining the specific assignment of gcc optimization options
@ 2022-12-09 12:00 hongjie wu
2022-12-09 14:40 ` Jonathan Wakely
0 siblings, 1 reply; 3+ messages in thread
From: hongjie wu @ 2022-12-09 12:00 UTC (permalink / raw)
To: gcc
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Dear Sir or Madam，
I want to know how to obtain optimal level of the value of the
specific compiler options, for example - fexcess - precision = [fast |
standard] [default], including the default represent？Or how to determine?
I am looking forward to your favorable replay.
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: The method of determining the specific assignment of gcc optimization options
2022-12-09 12:00 The method of determining the specific assignment of gcc optimization options hongjie wu
@ 2022-12-09 14:40 ` Jonathan Wakely
2022-12-10 2:01 ` hongjie wu
0 siblings, 1 reply; 3+ messages in thread
From: Jonathan Wakely @ 2022-12-09 14:40 UTC (permalink / raw)
To: hongjie wu; +Cc: gcc
This question belongs on the gcc-help mailing list, not here.
On Fri, 9 Dec 2022 at 12:01, hongjie wu via Gcc <gcc@gcc.gnu.org> wrote:
>
> Dear Sir or Madam，
> I want to know how to obtain optimal level of the value of the
What do you mean by optimal?
They have pros and cons.
> specific compiler options, for example - fexcess - precision = [fast |
> standard] [default], including the default represent？Or how to determine?
gcc -Q --help=optim
> I am looking forward to your favorable replay.
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: The method of determining the specific assignment of gcc optimization options
2022-12-09 14:40 ` Jonathan Wakely
@ 2022-12-10 2:01 ` hongjie wu
0 siblings, 0 replies; 3+ messages in thread
From: hongjie wu @ 2022-12-10 2:01 UTC (permalink / raw)
To: Jonathan Wakely; +Cc: gcc
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Thank you for your response.
Jonathan Wakely <jwakely.gcc@gmail.com> 于2022年12月9日周五 22:40写道：
> This question belongs on the gcc-help mailing list, not here.
>
> On Fri, 9 Dec 2022 at 12:01, hongjie wu via Gcc <gcc@gcc.gnu.org> wrote:
> >
> > Dear Sir or Madam，
> > I want to know how to obtain optimal level of the value of the
>
> What do you mean by optimal?
>
> They have pros and cons.
>
> > specific compiler options, for example - fexcess - precision = [fast |
> > standard] [default], including the default represent？Or how to determine?
>
> gcc -Q --help=optim
>
> > I am looking forward to your favorable replay.
>
^ permalink raw reply [flat|nested] 3+ messages in thread
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2022-12-09 12:00 The method of determining the specific assignment of gcc optimization options hongjie wu
2022-12-09 14:40 ` Jonathan Wakely
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