Re: [AD] 4.3 error handling |
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On 2006-06-08, Chris <chris.kcat@xxxxxxxxxx> wrote:
> On Thursday 08 June 2006 18:40, Peter Wang wrote:
> > No, local variables can be in registers.
>
> I thought the only way to get a local variable onto a register was to use the
> register keyword. Something compilers don't support anymore because the
> optimizer can do a better and safer job at deciding what should be in
> registers and when.
And I assume they put that caveat in the manual precisely so the
optimiser doesn't need to think about setjmps when allocating registers.
It's supposed to be a rare usage, after all...
I'm out of my depth, though.
Peter