[Bug rtl-optimization/32296] [4.3 Regression] Bootstrap failure in stage1 on hppa*-*-*

[dave at hiauly1 dot hia dot nrc dot ca]

------- Comment #5 from dave at hiauly1 dot hia dot nrc dot ca  2007-06-12 22:59 -------
Subject: Re:  [4.3 Regression] Bootstrap failure in stage1 on hppa*-*-*

> @@ -4384,7 +4385,7 @@ hppa_can_use_return_insn_p (void)
>  {
>    return (reload_completed
>           && (compute_frame_size (get_frame_size (), 0) ? 0 : 1)
> -         && ! df_regs_ever_live_p (2)
> +         && df_hard_reg_used_count (2) == 1
>           && ! frame_pointer_needed);
>  }

Don't understand difference between df_regs_ever_live_p and
f->hard_regs_live_count, and why you are checking for a count of 1.

Dave


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32296