Re: Xoscope nuisance console messages on Pi4 running -current
bob prohaska <[email protected]>
| Newsgroups | gmane.os.freebsd.devel.arm,gmane.os.freebsd.devel.ports |
|---|---|
| Message-ID | <[email protected]> |
On Mon, May 03, 2021 at 01:00:03AM -0700, Mark Millard via freebsd-ports wrote: [detailed code tour omitted] > > My guess would be xoscope used a signed 32-bit type > that got a value with sign extension to 64 bits > before the value started being treated as unsigned. > If it had used an unsigned type instead, the padding > would have been a zero fill instead (presuming that > I've guessed right). > So this was an artifact of compiling a 32 program on a 64 bit machine? And, perhaps unnecessary use of signed versus unsigned integers? This begs two more questions: It is harmless (seemingly not always), and would it go away if compiled and run on a 32 bit machine, say armv7? Many thanks for the detailed explanation, but I'll admit not understanding much more than the quoted part above 8-( bob prohaska _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-arm To unsubscribe, send any mail to "[email protected]"