56 		 * this whole chain will have to be marked as precise later  in subprog_result_precise()
66 		/* here r0->r1->r6 chain is forced to be precise and has to be  in subprog_result_precise()
99 		 * to be marked precise (with no effect on r6, though)  in global_subprog_result_precise()
106 		/* here r0 is forced to be precise and has to be  in global_subprog_result_precise()
108 		 * shouldn't go all the way to mark r6 as precise  in global_subprog_result_precise()
123  * r1 and r4 are always precise for bpf_loop() calls.
175 		/* here r6 is forced to be precise and has to be propagated  in callback_result_precise()
214 		/* here r6 is forced to be precise and has to be propagated  in parent_callee_saved_reg_precise()
248 		/* here r6 is forced to be precise and has to be propagated  in parent_callee_saved_reg_precise_global()
282 /* r1, r4 are always precise for bpf_loop(),
308 		/* here r6 is forced to be precise and has to be propagated  in parent_callee_saved_reg_precise_with_callback()
358 		/* here r6 is forced to be precise and has to be propagated  in parent_stack_slot_precise()
404 		/* here r6 is forced to be precise and has to be propagated  in parent_stack_slot_precise_global()
440 /* r1, r4 are always precise for bpf_loop(),
472 		/* here r6 is forced to be precise and has to be propagated  in parent_stack_slot_precise_with_callback()
489 	return vals[x]; /* x is forced to be precise */  in subprog_with_precise_arg()
507 		 * precise, so r1->r6 will be marked precise from inside the  in subprog_arg_precise()
545  * so we won't be able to mark stack slot fp-8 as precise, and so will
546  * fallback to forcing all as precise
548 __msg("mark_precise: frame0: falling back to forcing all scalars precise")
555 		 * r6 will be marked precise and spilled into fp-8 slot, which  in subprog_spill_into_parent_stack_slot_precise()
556 		 * also should be marked precise  in subprog_spill_into_parent_stack_slot_precise()
571 		/* here r7 is forced to be precise and has to be propagated  in subprog_spill_into_parent_stack_slot_precise()