On Thu, Dec 5, 2013 at 12:11 PM, dxq wrote:
> hi all,
>
> *We found that COND_EXEC is better than IF_THEN_ELSE when used as expressing
> condition move insns, because in sched, IF_THEN_ELSE insn has a dependence
> on itself, and COND_EXEC has not.
> * Besides, IF_THEN_ELSE is not good for SMS. som
hi all,
*We found that COND_EXEC is better than IF_THEN_ELSE when used as expressing
condition move insns, because in sched, IF_THEN_ELSE insn has a dependence
on itself, and COND_EXEC has not.
* Besides, IF_THEN_ELSE is not good for SMS. some backend (frv) expands
condition move as IF_THEN_ELSE