This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]

Re: Paradoxical subreg in compare


  In message <oraeh92ord.fsf@saci.lsd.ic.unicamp.br>you write:
  > On May 29, 2000, Jeffrey A Law <law@cygnus.com> wrote:
  > 
  > >   In message <orsnv245h7.fsf@saci.lsd.ic.unicamp.br>you write:
  > 
  > > Then you need to be looking to fix reload inheritance, not combine.
  > > Combine's actions are OK given the current state of register_operand
  > > and friends.
  > 
  > Ok, so, of the three relevant steps in my message, which one do you
  > think is the wrong one? 
I do not know, I havne't looked into them in detail.  I do know that the
code combine created is reasonable.  Thus the fix isn't in combine, but
in whatever code is not handling the paradoxical subreg correctly.

jeff



Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]