[Patch,AVR] Print no-return functions as JMP

Richard Henderson rth@redhat.com
Thu Oct 13 19:05:00 GMT 2011


On 10/13/2011 11:16 AM, Georg-Johann Lay wrote:
> This patch saves some ticks and bytes on stack by JUMPing to no-return
> functions instead of CALLing them.
> 
> Passes without regression.
> 
> Ok for trunk?
> 
> Johann
> 
> 	* config/avr/avr-protos.h (avr_out_call): New prototype.
> 	* config/avr/avr.md (adjust_len): Add alternative "call".
> 	(call_insn, call_calue_insn): Use it.  Use avr_out_call to print
> 	assembler.
> 	* config/avr/avr.c (avr_out_call): New function.
> 	(adjust_insn_length): Handle ADJUST_LEN_CALL.

You should have a way to turn this off.  Otherwise this makes debugging
the call to abort impossible.


r~



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