Temp Registers

[Adi Lakshmi Devi N]

Hi,

> is it true, that the arm-elf-gcc uses the registers r0-r3 and r12(ip) as 
> temporary registers? Thus it shoulde be possible to use this registers in 
> an assembler routine without restoring?

  Yes, Its true.
> 
> And if this is true, where can i find some documentation about the 
> register allocation?


   Check the "CALL_USED_REGISTERS" macro in the arm.h file.

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Thanks & Regards,
Adilakshmi Devi.N