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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: 13 Jun 2007 13:28:37 -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 #10 from dave at hiauly1 dot hia dot nrc dot ca 2007-06-13 13:28 -------
Subject: Re: [4.3 Regression] Bootstrap failure in stage1 on hppa*-*-*
> It's my turn to ask: so what information does hppa_can_use_return_p
> need to make the decision ?
We need to know that the return pointer (r2) is not used and that
the function is a leaf function (i.e., that the incoming value in
r2 is unchanged). Calls clobber r2.
Dave
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32296