"Scott Johnson" <[EMAIL PROTECTED]> wrote in message
news:62545@palm-dev-forum...
>
> > From: Ben Combee [mailto:[EMAIL PROTECTED]]
> > I don't know of other situations where that would pop-up at opt 0,
> > but we'd be glad to see examples. Its more likely that its a
debugger
> > bug than a code generation bug.
>
> I think I've seen local variables placed in registers even at minimum
> optimization. The CW7 debugger release notes say this:
>
> - Under certain scenarios, the debugger may display '*Register
> not available*' for register-based local variables. This is due
> to a change in the IDE for IDE 4.1. To get around this behavior,
> you can declare the variable(s) as 'volatile'.
You may be right -- I was basing my compiler knowledge on what the x86
compiler did, but I'm not intimately familiar with the 68K compiler used
for Palm OS work. I wonder if its an issue with the SYM info not
providing good information about saved register value for caller-saved
registers.
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