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[Bug rtl-optimization/32296] [4.3 Regression] Bootstrap failure in stage1 on hppa*-*-*
- From: "dave at hiauly1 dot hia dot nrc dot ca" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 12 Jun 2007 22:59:52 -0000
- Subject: [Bug rtl-optimization/32296] [4.3 Regression] Bootstrap failure in stage1 on hppa*-*-*
- References: <bug-32296-276@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- 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