3 May
2015
3 May
'15
10:02 p.m.
On Sat, 2 May 2015 20:53:15 +0000
Fons Adriaensen <fons(a)linuxaudio.org> wrote:
On Sat, May 02, 2015 at 08:57:25PM +0100, Will Godfrey
wrote:
No, the compiler will use one of the available int sizes (again
depending on CPU) and just test for zero/not-zero. It will not
try to use each bit separately.
For arrays of bool, GCC uses a char for each bool.
Ouch! that could get expensive - although I doubt it will ever be an issue for
me. Certainly worth remembering though.
--
Will J Godfrey
http://www.musically.me.uk
Say you have a poem and I have a tune.
Exchange them and we can both have a poem, a tune, and a song.
What
masking?
Presumably bits have to be masked when being set or read to provide the boolean
action. I wouldn't expect true single bit direct storage to be available.