Hi is there a ABI / register usage description available somewhere which 
registers are caller/callee preserved or clobbered or globally used by V8, 
e.g. for optimized code. I believe not all registers are live in and out in 
the native code of optimized functions?

E.g. the following registers seem to be live in/out?

r1 seems to be live in/out for some reason?

cp (r7)

pp (r8, only if ool_constant_pool)

fp (r11)

sp (r13)

lr (r14)

pc (r15)

r10 root register, some global object?

any pointer appreciated

Best Regards,

Hendrik

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