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Re: stop using P_, __P in header files
From: |
Juanma Barranquero |
Subject: |
Re: stop using P_, __P in header files |
Date: |
Sun, 11 Jul 2010 01:51:19 +0200 |
On Sat, Jul 10, 2010 at 10:45, David Kastrup <address@hidden> wrote:
> Naive or not, "register" is a guarantee that noone is going to take or
> store the address of the named variable. For compilers not building a
> complete parse tree before code generation, that can be useful
> information.
Agreed.
But the question still stands: are there many current compilers who
benefit from register declarations, and if so, it is enough of an
improvement to make a difference?
On the computers I use, there's not that much difference even between
optimized and non-optimized Emacs builds (with GCC 3.X and 4.X).
Juanma
- Re: stop using P_, __P in header files, (continued)
- Re: stop using P_, __P in header files, Juanma Barranquero, 2010/07/04
- Re: stop using P_, __P in header files, Eli Zaretskii, 2010/07/04
- Re: stop using P_, __P in header files, Juanma Barranquero, 2010/07/04
- Re: stop using P_, __P in header files, Eli Zaretskii, 2010/07/05
- Re: stop using P_, __P in header files, Ken Raeburn, 2010/07/05
- Re: stop using P_, __P in header files, Juanma Barranquero, 2010/07/05
- Re: stop using P_, __P in header files, Eli Zaretskii, 2010/07/05
- Re: stop using P_, __P in header files, Dan Nicolaescu, 2010/07/05
- Re: stop using P_, __P in header files, Dan Nicolaescu, 2010/07/09
- Re: stop using P_, __P in header files, David Kastrup, 2010/07/10
- Re: stop using P_, __P in header files,
Juanma Barranquero <=
- Re: stop using P_, __P in header files, Ken Raeburn, 2010/07/04
- Re: stop using P_, __P in header files, Stephen J. Turnbull, 2010/07/06
- Re: stop using P_, __P in header files, Ken Raeburn, 2010/07/06
- Re: stop using P_, __P in header files, Stephen J. Turnbull, 2010/07/06
- Re: stop using P_, __P in header files, Dan Nicolaescu, 2010/07/05
- Re: stop using P_, __P in header files, Ken Raeburn, 2010/07/05
- Re: stop using P_, __P in header files, Dan Nicolaescu, 2010/07/05
Re: stop using P_, __P in header files, Andreas Schwab, 2010/07/02