Messages in this thread | | | Date | Sun, 13 May 2007 19:26:13 -0400 | From | Bill Davidsen <> | Subject | Re: [PATCH] "volatile considered harmful" document |
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Krzysztof Halasa wrote: > Robert Hancock <hancockr@shaw.ca> writes: > > >> You don't need volatile in that case, rmb() can be used. >> > > rmb() invalidates all compiler assumptions, it can be much slower. > Yes, why would you use rmb() when a read of a volatile generates optimal code?
-- bill davidsen <davidsen@tmr.com> CTO TMR Associates, Inc Doing interesting things with small computers since 1979
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