Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > comp.lang.c > #104378
| From | GOTHIER Nathan <nathan.gothier@gmail.com> |
|---|---|
| Newsgroups | comp.lang.c |
| Subject | Re: modifying local const variable run time |
| Date | 2017-02-22 17:34 +0100 |
| Organization | A noiseless patient Spider |
| Message-ID | <20170222173450.4fe314b3c852b242bb2dc35a@gmail.com> (permalink) |
| References | <c5e88b2a-20a5-4083-a40a-a17d57aa42f7@googlegroups.com> <20170222160611.91c1f3085d6c9e3571a68156@gmail.com> <3cba5f3c-735a-45b7-87f2-d03dd8a18720@googlegroups.com> |
On Wed, 22 Feb 2017 07:26:47 -0800 (PST) rahul.dev.agg@gmail.com wrote: > But, how this would be implemented ? > I read that const variable can be stored in read only memory. > In that case, it's value should be known at compile time. > Or is there I am missing something ? I'm not an assembly expert but from my understanding the "const" keyword indicates to the compiler that the object shouldn't be POP from the stack, thus limiting moves in register. This is an optimization to keep write enabled objects on the top of the stack.
Back to comp.lang.c | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
modifying local const variable run time rahul.dev.agg@gmail.com - 2017-02-22 06:39 -0800
Re: modifying local const variable run time GOTHIER Nathan <nathan.gothier@gmail.com> - 2017-02-22 16:06 +0100
Re: modifying local const variable run time rahul.dev.agg@gmail.com - 2017-02-22 07:26 -0800
Re: modifying local const variable run time David Brown <david.brown@hesbynett.no> - 2017-02-22 16:31 +0100
Re: modifying local const variable run time rahul.dev.agg@gmail.com - 2017-02-22 07:43 -0800
Re: modifying local const variable run time Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-02-22 16:06 +0000
Re: modifying local const variable run time James Kuyper <jameskuyper@verizon.net> - 2017-02-22 11:13 -0500
Re: modifying local const variable run time supercat@casperkitty.com - 2017-02-22 08:34 -0800
Re: modifying local const variable run time David Brown <david.brown@hesbynett.no> - 2017-02-22 23:03 +0100
Re: modifying local const variable run time GOTHIER Nathan <nathan.gothier@gmail.com> - 2017-02-22 17:34 +0100
Re: modifying local const variable run time Robert Wessel <robertwessel2@yahoo.com> - 2017-02-22 10:52 -0600
Re: modifying local const variable run time GOTHIER Nathan <nathan.gothier@gmail.com> - 2017-02-22 17:52 +0100
Re: modifying local const variable run time Keith Thompson <kst-u@mib.org> - 2017-02-22 09:33 -0800
Re: modifying local const variable run time James Kuyper <jameskuyper@verizon.net> - 2017-02-22 15:50 -0500
Re: modifying local const variable run time supercat@casperkitty.com - 2017-02-22 13:13 -0800
Re: modifying local const variable run time Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-02-22 21:55 +0000
Re: modifying local const variable run time supercat@casperkitty.com - 2017-02-22 14:43 -0800
Re: modifying local const variable run time Keith Thompson <kst-u@mib.org> - 2017-02-22 09:23 -0800
Re: modifying local const variable run time GOTHIER Nathan <nathan.gothier@gmail.com> - 2017-02-22 18:32 +0100
Re: modifying local const variable run time Keith Thompson <kst-u@mib.org> - 2017-02-22 09:50 -0800
Re: modifying local const variable run time David Brown <david.brown@hesbynett.no> - 2017-02-22 23:07 +0100
Re: modifying local const variable run time Keith Thompson <kst-u@mib.org> - 2017-02-22 15:20 -0800
Re: modifying local const variable run time David Brown <david.brown@hesbynett.no> - 2017-02-23 09:50 +0100
Re: modifying local const variable run time James Kuyper <jameskuyper@verizon.net> - 2017-02-22 10:16 -0500
Re: modifying local const variable run time Keith Thompson <kst-u@mib.org> - 2017-02-22 09:17 -0800
csiph-web