function.h (struct function): Remove x_last_parm_insn, inl_last_parm_insn.

        * function.h (struct function): Remove x_last_parm_insn,
        inl_last_parm_insn.
        (last_parm_insn): Remove.
        * function.c (free_after_compilation): Don't clear them.
        (fixup_var_refs_insn, assign_parms): Don't set them.

From-SVN: r83939

gcc/ChangeLog

 2004-06-30  Richard Henderson  <rth@redhat.com>
 
+	* function.h (struct function): Remove x_last_parm_insn,
+	inl_last_parm_insn.
+	(last_parm_insn): Remove.
+	* function.c (free_after_compilation): Don't clear them.
+	(fixup_var_refs_insn, assign_parms): Don't set them.
+
 	* function.c, rtl.h (get_first_nonparm_insn): Remove.
 
 2004-06-30  Joseph S. Myers  <jsm@polyomino.org.uk>

gcc/function.c

@@ -446,12 +446,10 @@ free_after_compilation (struct function *f)
   f->x_tail_recursion_reentry = NULL;
   f->x_arg_pointer_save_area = NULL;
   f->x_parm_birth_insn = NULL;
-  f->x_last_parm_insn = NULL;
   f->x_parm_reg_stack_loc = NULL;
   f->fixup_var_refs_queue = NULL;
   f->original_arg_vector = NULL;
   f->original_decl_initial = NULL;
-  f->inl_last_parm_insn = NULL;
   f->epilogue_delay_list = NULL;
 }
 
@@ -1824,12 +1822,6 @@ fixup_var_refs_insn (rtx insn, rtx var, enum machine_mode promoted_mode,
       fixup_var_refs_1 (var, promoted_mode, &PATTERN (insn), insn,
 			&replacements, no_share);
 
-      /* If this is last_parm_insn, and any instructions were output
-	 after it to fix it up, then we must set last_parm_insn to
-	 the last such instruction emitted.  */
-      if (insn == last_parm_insn)
-	last_parm_insn = PREV_INSN (next_insn);
-
       while (replacements)
 	{
 	  struct fixup_replacement *next;
@@ -5292,8 +5284,6 @@ assign_parms (tree fndecl)
       SET_DECL_RTL (result, x);
     }
 
-  last_parm_insn = get_last_insn ();
-
   /* We have aligned all the args, so add space for the pretend args.  */
   stack_args_size.constant += extra_pretend_bytes;
   current_function_args_size = stack_args_size.constant;

gcc/function.h

@@ -296,10 +296,6 @@ struct function GTY(())
   /* Insn after which register parms and SAVE_EXPRs are born, if nonopt.  */
   rtx x_parm_birth_insn;
 
-  /* Last insn of those whose job was to put parms into their nominal
-     homes.  */
-  rtx x_last_parm_insn;
-
   /* 1 + last pseudo register number possibly used for loading a copy
      of a parameter of this function.  */
   unsigned int x_max_parm_reg;
@@ -337,9 +333,6 @@ struct function GTY(())
   int no_debugging_symbols;
   rtvec original_arg_vector;
   tree original_decl_initial;
-  /* Last insn of those whose job was to put parms into their nominal
-     homes.  */
-  rtx inl_last_parm_insn;
   /* Highest label number in current function.  */
   int inl_max_label_num;
 
@@ -550,7 +543,6 @@ extern int trampolines_created;
 #define tail_recursion_reentry (cfun->x_tail_recursion_reentry)
 #define arg_pointer_save_area (cfun->x_arg_pointer_save_area)
 #define rtl_expr_chain (cfun->x_rtl_expr_chain)
-#define last_parm_insn (cfun->x_last_parm_insn)
 #define function_call_count (cfun->x_function_call_count)
 #define used_temp_slots (cfun->x_used_temp_slots)
 #define avail_temp_slots (cfun->x_avail_temp_slots)