Re: ICE on alpha with -O2 with proposed fix

[Jeffrey A Law <law at cygnus dot com>]

  In message <199906011013.MAA22813@waldorf.appli.se>you write:
  > Hi!
  > 
  > As the OpenBSD project is in the process of converting to current egcs
  > as its main compiler we are facing a few problems.  One of them is
  > that our hash.c in the DB library causes an internal compiler error in
  > alpha.c, line 939.  After the patch below, the specific test-case is
  > included.  Compiling that file with -O2 will trigger the bug on an
  > alpha-unknown-openbsd2.5 configuration.
  > 
  > To me it seems to be that during reload pseudo-registers can be seen
  > as memory, which is all good.  However in config/alpha/alpha.c there
  > is a function get_aligned_mem that has not been taught this fact.
  > This patch removes the abort in our case:
  > 
  > Tue Jun  1 12:00:00 1999  Niklas Hallqvist  <niklas@appli.se>
  > 
  > 	* alpha.c (get_aligned_mem): Pseudo-registers can be seen as
  > 	memory while we are in reload, so be more permissve about how
  > 	memory may look in the case where we try to get an aligned
  > 	word consisting of a specific byte we are looking for.
rth already fixed this bug in a different way.

Thanks,
jeff