[Bug c/22278] gcc -O2 discards cast to volatile

gdr at integrable-solutions dot net gcc-bugzilla@gcc.gnu.org
Sat Jul 16 17:53:00 GMT 2005


------- Additional Comments From gdr at integrable-solutions dot net  2005-07-16 16:35 -------
Subject: Re:  gcc -O2 discards cast to volatile

"hugh at mimosa dot com" <gcc-bugzilla@gcc.gnu.org> writes:

[...]

| If GCC (a) wants to be C99-conforming, and (b) wants to provide useful
| semantics for `volatile', this is a bug.

Based on discussions via private mails, I've become even more
convinced that we should just honor the volatile access as written by
the programmer.  Furthermore, this should be clearly documented.
Patches are welcome!

-- Gaby


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22278



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