Richard Henderson wrote:
> When a frame pointer is in use, we can optimize popping all
> queued parameters via a simple move from the frame pointer
> instead of an addition to the stack pointer.
>
> The new sequence is 4 insns, the old sequence was 9 insns.
>
> Committed.
>
> r~
4 insns is odd. You cannot move atomically to SP and the sequence
finally emit should be something like fiddling with IRQ-Flag.
*l = 5;
return (AS2 (in,__tmp_reg__,__SREG__) CR_TAB
"cli" CR_TAB
AS2 (out,__SP_H__,%B1) CR_TAB
AS2 (out,__SREG__,__tmp_reg__) CR_TAB
AS2 (out,__SP_L__,%A1));
Johann
