PATCH: Doc fix for mn10300_analyze_prologue

[Jim Blandy <jimb@zwingli.cygnus.com>]

2001-11-25  Jim Blandy  <jimb@redhat.com>

	* mn10300-tdep.c (mn10300_analyze_prologue): Doc fixes.

Index: mn10300-tdep.c
===================================================================
RCS file: /cvs/src/src/gdb/mn10300-tdep.c,v
retrieving revision 1.22
diff -c -c -b -F'^(' -r1.22 mn10300-tdep.c
*** mn10300-tdep.c	2001/10/10 21:22:44	1.22
--- mn10300-tdep.c	2001/11/25 23:42:57
***************
*** 294,300 ****
     In gcc/config/mn13000/mn10300.c, the expand_prologue prologue
     function is pretty readable, and has a nice explanation of how the
     prologue is generated.  The prologues generated by that code will
!    have the following form:
  
     + If this is an old-style varargs function, then its arguments
       need to be flushed back to the stack:
--- 294,301 ----
     In gcc/config/mn13000/mn10300.c, the expand_prologue prologue
     function is pretty readable, and has a nice explanation of how the
     prologue is generated.  The prologues generated by that code will
!    have the following form (NOTE: the current code doesn't handle all
!    this!):
  
     + If this is an old-style varargs function, then its arguments
       need to be flushed back to the stack:
***************
*** 322,327 ****
--- 323,331 ----
          fmov fsN,(OFFSETN,sp)
          fmov fsM,(OFFSETM,sp)
          ...
+ 
+        Note that, if OFFSETN happens to be zero, you'll get the
+        different opcode: fmov fsN,(sp)
  
         . Or, set a0 to the start of the save area, and then use
         post-increment addressing to save the FP registers.