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Re: RTL definition
> I thought that RTL represented something close to the target machine,
> but not machine-dependent. I firstly thought that the output of the
> middle-end was an RTL machine-independent representation, to which is
> applied a few low-optimization machine-independent passes, and after
> that is translated to a RTL machine-dependent to be applied other
> optimization passes.
There are certain details that you will discover in the RTL that makes
it highly machine-dependent. For example, the register number where
functions place their values is defined by the ABI and implemented by
the backend. RTL is by no means machine neutral.
Ben Elliston <firstname.lastname@example.org>
Australia Development Lab, IBM