AIX regression due to DFA scheduler merge
Sun Jun 2 20:12:00 GMT 2002

 In message <>, David Edelsohn 
 > With the libcall patch, insn 2951 (plus:SI) is scheduled before insn 1711
 > and insn 1715 on which it has anti-dependence.  Without the libcall patch,
 > it is scheduled after those instructions where reg:SI 791 is used.
 > 	I would really appreciate some help debugging why the instruction
 > is being moved across the dependency.  I will be happy to send
 > pre-processed input and any RTL dumps people want to browse.
I would recommend using -fsched-verbose to dump the dependencies to verify
that they actually are correct.


More information about the Gcc-patches mailing list