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09627175
2015 Dec 22
2
Reserve registers not to be used by the compiler
Does anyone know if there is a way to reserve a register set not to be used
by a compiler? For example there are 64 available registers and the
compiler can use only registers 0-31 and 40-45, and the others should be
left alone.
I know that the simplest solution is to simply change number registers in
one of the .td files, but what I'm looking is an option to use at run time.
I need this to