Their values are either unused or trivial, i.e. result k has reg_offset k.

* No \n at end; panic() adds one
* No punctuation mark at end
* Lowercase first letter

All other structs holding a register class call it cls, too.

This is necessary as the arm backend needs special calling conventions
(only even register numbers) in these cases.

It has been empty for nearly all systems. People who used to put stuff
in config.h can still create a config.h on their own and inject
-include (gcc) or /FI (msvc) into their CPPFLAGS.

Just state the copyright and the project the files belong to. You can
then find the COPYING file for the whole project.

Remove now redundant (and sometimes wrong) location info from the panic messages.

[r28204]

[r28072]

[r27788]

[r27737]

[r27726]