On Tue, 13 Mar 2012, Uros Bizjak wrote: > A small no-op change - there is no need for a constraint in an expand > pattern. Plus some formatting.
If you want to remove it, then remove it, don't just empty it. ;) > 2012-03-13 Uros Bizjak <ubiz...@gmail.com> > > * config/i386/i386.md (xbegin): Remove constraint from expander. > > Tested on x86_64-pc-linux-gnu, committed to mainline SVN. > > Uros. > > Index: i386.md > =================================================================== > --- i386.md (revision 185350) > +++ i386.md (working copy) > @@ -18206,7 +18206,7 @@ > (set_attr "memory" "unknown")]) > > (define_expand "xbegin" > - [(set (match_operand:SI 0 "register_operand" "=a") > + [(set (match_operand:SI 0 "register_operand" "") + [(set (match_operand:SI 0 "register_operand") brgds, H-P