[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [RP] cleaning event handler
From: |
sabetts |
Subject: |
Re: [RP] cleaning event handler |
Date: |
Fri, 20 Apr 2001 10:16:45 -0700 (PDT) |
At Fri, 20 Apr 2001 07:39:28 -0700 (PDT) , Jonathan Walther <address@hidden>
wrote:
>-----BEGIN PGP SIGNED MESSAGE-----
>
>I could be wrong on this, but I was always tought in school that using
>"register" keyword made a variable off-limits for optimizations. Plus
>it doesn't even gaurantee that the variable will be stuffed in a register
>in the first place; its just a hint. Have you benchmarked the two
>different ways and found a difference? Less code, more code? Faster,
>slower?
Its from the GNU libc manual. volatile is the keyword that tells the compiler
the
variable will be doing some harsh-wack stuff and it should stay away from it.
register tells the compiler to put the variable in a register if it can.