Comment update for find_reloads_address

[Joern Rennecke <amylaar at cygnus dot co dot uk>]

find_reloads_address still has a comment that became outdated when
regsiter elimination was changed so that no pseudos are replaced with
MEMs at that stage.

Index: reload.c
===================================================================
RCS file: /cvs/gcc/egcs/gcc/reload.c,v
retrieving revision 1.89
diff -p -r1.89 reload.c
*** reload.c	1999/11/03 12:43:35	1.89
--- reload.c	1999/11/10 19:26:21
*************** find_reloads_address (mode, memrefloc, a
*** 4699,4712 ****
       that the index needs a reload and find_reloads_address_1 will take care
       of it.
  
-      There is still a case when we might generate an extra reload,
-      however.  In certain cases eliminate_regs will return a MEM for a REG
-      (see the code there for details).  In those cases, memory_address_p
-      applied to our address will return 0 so we will think that our offset
-      must be too large.  But it might indeed be valid and the only problem
-      is that a MEM is present where a REG should be.  This case should be
-      very rare and there doesn't seem to be any way to avoid it.
- 
       If we decide to do something here, it must be that
       `double_reg_address_ok' is true and that this address rtl was made by
       eliminate_regs.  We generate a reload of the fp/sp/ap + constant and
--- 4699,4704 ----