integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer just like we…

integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer just like we would the virtual incoming args...


        * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
        just like we would the virtual incoming args register when
        integrating.

From-SVN: r28980

gcc/ChangeLog

+Mon Aug 30 01:02:09 1999  Jeffrey A Law  (law@cygnus.com)
+
+	* integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
+	just like we would the virtual incoming args register when
+	integrating.
+
 Sun Aug 29 23:17:54 1999  David Edelsohn  <edelsohn@gnu.org>
 
 	* rs6000.h (ASM_FILE_START): Specify complete filename, including

gcc/integrate.c

@@ -2291,7 +2291,9 @@ copy_rtx_and_substitute (orig, map)
 	 Small hard registers are returned as-is.  Pseudo-registers
 	 go through their `reg_map'.  */
       regno = REGNO (orig);
-      if (regno <= LAST_VIRTUAL_REGISTER)
+      if (regno <= LAST_VIRTUAL_REGISTER
+	  || (map->integrating
+	      && DECL_SAVED_INSNS (map->fndecl)->internal_arg_pointer == orig))
 	{
 	  /* Some hard registers are also mapped,
 	     but others are not translated.  */
@@ -2342,7 +2344,10 @@ copy_rtx_and_substitute (orig, map)
 	      emit_insn_after (seq, map->insns_at_start);
 	      return temp;
 	    }
-	  else if (regno == VIRTUAL_INCOMING_ARGS_REGNUM)
+	  else if (regno == VIRTUAL_INCOMING_ARGS_REGNUM
+		   || (map->integrating
+		       && (DECL_SAVED_INSNS (map->fndecl)->internal_arg_pointer
+			   == orig)))
 	    {
 	      /* Do the same for a block to contain any arguments referenced
 		 in memory.  */