------- 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
