diff -c2 orig/tm-3b1.h ./tm-3b1.h
*** orig/tm-3b1.h	Wed Jan  9 18:51:44 1991
--- ./tm-3b1.h	Wed Jan  9 19:23:35 1991
***************
*** 35,39 ****
  
  #undef ASM_SPEC
! #define ASM_SPEC "%{m68020:-68020}%{!m68020:-68010}"
  
  /* we use /lib/libp/lib*  when profiling */
--- 35,39 ----
  
  #undef ASM_SPEC
! #define ASM_SPEC "%{m68020:-68020}%{!m68020:-68010} %{m68881:-68881}"
  
  /* we use /lib/libp/lib*  when profiling */
***************
*** 97,100 ****
--- 97,101 ----
  
  #undef TARGET_VERSION
+ #undef REGISTER_NAMES
  #undef ASM_FORMAT_PRIVATE_NAME
  #undef ASM_OUTPUT_DOUBLE
***************
*** 116,119 ****
--- 117,125 ----
  #define TARGET_VERSION fprintf (stderr, " (68k, SGS/AT&T unixpc syntax)");
  
+ #define REGISTER_NAMES \
+ {"%d0", "%d1", "%d2", "%d3", "%d4", "%d5", "%d6", "%d7",	\
+  "%a0", "%a1", "%a2", "%a3", "%a4", "%a5", "%fp", "%sp",	\
+  "%f0", "%f1", "%f2", "%f3", "%f4", "%f5", "%f6", "%f7"}
+ 
  /* Store in OUTPUT a string (made with alloca) containing
     an assembler-name for a local static variable named NAME.
***************
*** 299,303 ****
  		     CODE_LABEL_NUMBER (XEXP (addr, 0)),		\
  		     reg_names[REGNO (ireg)]);				\
! 	  if (scale != 1) fprintf (FILE, ":%d", scale);			\
  	  fprintf (FILE, ")");						\
  	  break; }							\
--- 305,309 ----
  		     CODE_LABEL_NUMBER (XEXP (addr, 0)),		\
  		     reg_names[REGNO (ireg)]);				\
! 	  if (scale != 1) fprintf (FILE, "*%d", scale);			\
  	  fprintf (FILE, ")");						\
  	  break; }							\
***************
*** 324,328 ****
  	  else if (ireg != 0)						\
  	    fprintf (FILE, "%s.l", reg_names[REGNO (ireg)]);		\
! 	  if (scale != 1) fprintf (FILE, ":%d", scale);			\
  	  putc (')', FILE);						\
  	  break;							\
--- 330,334 ----
  	  else if (ireg != 0)						\
  	    fprintf (FILE, "%s.l", reg_names[REGNO (ireg)]);		\
! 	  if (scale != 1) fprintf (FILE, "*%d", scale);			\
  	  putc (')', FILE);						\
  	  break;							\
***************
*** 384,389 ****
        if (!strncmp ((PTR), "fmove", 5))			\
  	{ fprintf ((FILE), "fmov"); (PTR) += 5; }	\
!       else if (!strncmp ((PTR), "ftst", 4))		\
! 	{ fprintf ((FILE), "ftest"); (PTR) += 4; }	\
      }							\
  /* MOVE, MOVEA, MOVEQ, MOVEC ==> MOV	*/		\
--- 390,395 ----
        if (!strncmp ((PTR), "fmove", 5))			\
  	{ fprintf ((FILE), "fmov"); (PTR) += 5; }	\
!       else if (!strncmp ((PTR), "fbne", 4))		\
! 	{ fprintf ((FILE), "fbneq"); (PTR) += 4; }	\
      }							\
  /* MOVE, MOVEA, MOVEQ, MOVEC ==> MOV	*/		\
diff -c2 orig/tm-3b1g.h ./tm-3b1g.h
*** orig/tm-3b1g.h	Wed Jan  9 19:21:04 1991
--- ./tm-3b1g.h	Wed Jan  9 18:23:20 1991
***************
*** 23,31 ****
  #define TARGET_DEFAULT 0
  
  /* Define __HAVE_68881 in preprocessor only if -m68881 is specified.
     This will control the use of inline 68881 insns in certain macros.
     Also inform the program which CPU this is for.  */
! #define CPP_SPEC "%{m68881:-D__HAVE_68881__} \
! %{!ansi:%{m68020:-Dmc68020}%{mc68020:-Dmc68020}%{!mc68020:%{!m68020:-Dmc68010}}}"
  
  /* -m68020 requires special flags to the assembler.  */
--- 23,33 ----
  #define TARGET_DEFAULT 0
  
+ #undef TARGET_VERSION
+ #define TARGET_VERSION fprintf (stderr, " (68k, AT&T UnixPC/gas)");
+ 
  /* Define __HAVE_68881 in preprocessor only if -m68881 is specified.
     This will control the use of inline 68881 insns in certain macros.
     Also inform the program which CPU this is for.  */
! #define CPP_SPEC "%{m68881:-D__HAVE_68881__}"
  
  /* -m68020 requires special flags to the assembler.  */
***************
*** 34,41 ****
  
  /* Names to predefine in the preprocessor for this target machine.  */
! #define CPP_PREDEFINES "-Dmc68000 -Dmc68k -Dunix -Dunixpc"
  
! /* This is (not really) BSD, so (but) it wants DBX format.  */
! #define DBX_DEBUGGING_INFO
  
  /* Brain damage. */
--- 36,60 ----
  
  /* Names to predefine in the preprocessor for this target machine.  */
! #define CPP_PREDEFINES "-Dmc68k -Dunix -Dunixpc"
! 
! /* we use /lib/libp/lib*  when profiling */
! 
! #undef LIB_SPEC
! #define LIB_SPEC "%{!shlib:%{p:-L/lib/libp} %{pg:-L/lib/libp} -lc}"
! 
! /* shared libraries need to use crt0s.o  */
! 
! #undef STARTFILE_SPEC
! #define STARTFILE_SPEC \
!   "%{!shlib:%{pg:mcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}}\
!    %{shlib:crt0s.o%s shlib.ifile%s} "
! 
! /* Even though we're using gas, we still use sdb debugging info. */
! #define SDB_DEBUGGING_INFO
! 
! /* The .file command should always begin the output.  */
  
! #undef ASM_FILE_START
! #define ASM_FILE_START(FILE) sdbout_filename ((FILE), main_input_filename)
  
  /* Brain damage. */
***************
*** 42,55 ****
  #define SCCS_DIRECTIVE
  
- /* Specify how to pad function arguments.
-    Value should be `upward', `downward' or `none'.
-    Same as the default, except no padding for large or variable-size args.  */
- #define FUNCTION_ARG_PADDING(mode, size)				\
-   (((mode) == BLKmode							\
-     ? (GET_CODE (size) == CONST_INT					\
-        && INTVAL (size) < PARM_BOUNDARY / BITS_PER_UNIT)		\
-     : GET_MODE_BITSIZE (mode) < PARM_BOUNDARY)				\
-    ? downward : none)
- 
  /* Override part of the obstack macros.  */
  #define __PTR_TO_INT(P) ((int)(P))
--- 61,64 ----
***************
*** 62,63 ****
--- 71,81 ----
  #define TARGET_MEM_FUNCTIONS
  
+ /* Define subroutines to call to handle multiply, divide, and remainder.
+    Use the subroutines that the 3b1's library provides.			*/
+ 
+ #define DIVSI3_LIBCALL "ldiv"
+ #define UDIVSI3_LIBCALL "uldiv"
+ #define MODSI3_LIBCALL "lrem"
+ #define UMODSI3_LIBCALL "ulrem"
+ #define MULSI3_LIBCALL "lmul"
+ #define UMULSI3_LIBCALL "ulmul"
diff -c2 orig/xm-3b1.h ./xm-3b1.h
*** orig/xm-3b1.h	Wed Jan  9 19:23:53 1991
--- ./xm-3b1.h	Thu Apr 27 10:25:01 1989
***************
*** 1,3 ****
--- 1,4 ----
  #define USG
+ #define HAVE_VPRINTF
  
  #include "xm-m68k.h"