Hello,

> This
> +      /* Skip instructions that do not set a register.  */
> +      if (set && !REG_P (SET_DEST (set)))
> +        continue;
> is ok. Can you also prevent !set insns from having reg_moves? (To be updated
> once auto_inc insns will be supported, if they'll deserve reg_moves too.)

Do you mean leaving any anti-dep edges to !set instructions similar to
what is done for auto_inc addresses in part 2 of this patch?

Thanks,
Revital

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