This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug middle-end/32398] [4.3 Regression] checking for suffix of object files... configure: error: cannot compute suffix of f object files: cannot compile
- 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: 8 Jul 2007 02:29:58 -0000
- Subject: [Bug middle-end/32398] [4.3 Regression] checking for suffix of object files... configure: error: cannot compute suffix of f object files: cannot compile
- References: <bug-32398-276@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #12 from dave at hiauly1 dot hia dot nrc dot ca 2007-07-08 02:29 -------
Subject: Re: [4.3 Regression] checking for suffix of object files...
configure: error: cannot compute suffix of f objeRO
> Why can't you put something in the prologue that sets the reg and has an
> unspec as the lhs to make this reg live? I thought that the purpose of
> the unspecs was to be used in this manner since the unspec does not have
> actually map to any real insns.
I believe that's too late. The prologue expansion occurs after the
greg pass. The problem is the arg pointer gets used in the greg pass
since it isn't alive at entry.
Dave
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32398