Volatile MEMs in statement expressions and functions inlined as trees
Alexandre Oliva
aoliva@redhat.com
Fri Dec 14 13:07:00 GMT 2001
On Dec 14, 2001, Linus Torvalds <torvalds@transmeta.com> wrote:
> int c;
> (char) c;
> then that expression _is_ in fact an lvalue (in gcc, not in C in general),
Hmm... So, if I have:
volatile int c;
(volatile char)c;
Do I read a char or an int from c's address?
Does it matter if one of the `volatile's is ommitted?
And now, an easy question: is this yet another GCC extension whose
consequences were not fully thought-out in advance? :-)
--
Alexandre Oliva Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer aoliva@{cygnus.com, redhat.com}
CS PhD student at IC-Unicamp oliva@{lsd.ic.unicamp.br, gnu.org}
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