remove #if ARGS_GROW_DOWNWARD

gcc/ChangeLog:

2015-04-27  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* calls.c (save_fixed_argument_area): Don't check
	ARGS_GROW_DOWNWARD with the preprocessor.
	(restore_fixed_argument_area): Likewise.
	(mem_overlaps_already_clobbered_arg_p): Likewise.
	(check_sibcall_argument_overlap): Likewise.
	(expand_call): Likewise.
	(emit_library_call_value_1): Likewise.
	(store_one_arg): Likewise.
	* function.c (assign_parms): Likewise.
	(locate_and_pad_parm): Likewise.
	(pad_to_arg_alignment): Likewise.
	* targhooks.c (std_gimplify_va_arg_expr): Likewise.

From-SVN: r222508

gcc/ChangeLog

 2015-04-27  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
 
+	* calls.c (save_fixed_argument_area): Don't check
+	ARGS_GROW_DOWNWARD with the preprocessor.
+	(restore_fixed_argument_area): Likewise.
+	(mem_overlaps_already_clobbered_arg_p): Likewise.
+	(check_sibcall_argument_overlap): Likewise.
+	(expand_call): Likewise.
+	(emit_library_call_value_1): Likewise.
+	(store_one_arg): Likewise.
+	* function.c (assign_parms): Likewise.
+	(locate_and_pad_parm): Likewise.
+	(pad_to_arg_alignment): Likewise.
+	* targhooks.c (std_gimplify_va_arg_expr): Likewise.
+
+2015-04-27  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>
+
 	* config/pa/pa.h (ARGS_GROW_DOWNWARD): Define to 1.
 	* defaults.h (ARGS_GROW_DOWNWARD): Define it to 0 by default.
 	* calls.c (save_fixed_argument_area): Don't chekc if

gcc/calls.c

@@ -948,9 +948,9 @@ save_fixed_argument_area (int reg_parm_stack_space, rtx argblock, int *low_to_sa
 
   /* Compute the boundary of the area that needs to be saved, if any.  */
   high = reg_parm_stack_space;
-#if ARGS_GROW_DOWNWARD
-  high += 1;
-#endif
+  if (ARGS_GROW_DOWNWARD)
+    high += 1;
+
   if (high > highest_outgoing_arg_in_use)
     high = highest_outgoing_arg_in_use;
 
@@ -979,11 +979,11 @@ save_fixed_argument_area (int reg_parm_stack_space, rtx argblock, int *low_to_sa
 			 BIGGEST_ALIGNMENT / UNITS_PER_WORD) - 1)))
 	  save_mode = BLKmode;
 
-#if ARGS_GROW_DOWNWARD
-	delta = -high;
-#else
-	delta = low;
-#endif
+	if (ARGS_GROW_DOWNWARD)
+	  delta = -high;
+	else
+	  delta = low;
+
 	addr = plus_constant (Pmode, argblock, delta);
 	stack_area = gen_rtx_MEM (save_mode, memory_address (save_mode, addr));
 
@@ -1013,11 +1013,11 @@ restore_fixed_argument_area (rtx save_area, rtx argblock, int high_to_save, int
   int delta;
   rtx addr, stack_area;
 
-#if ARGS_GROW_DOWNWARD
-  delta = -high_to_save;
-#else
-  delta = low_to_save;
-#endif
+  if (ARGS_GROW_DOWNWARD)
+    delta = -high_to_save;
+  else
+    delta = low_to_save;
+
   addr = plus_constant (Pmode, argblock, delta);
   stack_area = gen_rtx_MEM (save_mode, memory_address (save_mode, addr));
   set_mem_align (stack_area, PARM_BOUNDARY);
@@ -1980,9 +1980,9 @@ mem_overlaps_already_clobbered_arg_p (rtx addr, unsigned HOST_WIDE_INT size)
   i += crtl->args.pretend_args_size;
 #endif
 
-#if ARGS_GROW_DOWNWARD
-  i = -i - size;
-#endif
+  if (ARGS_GROW_DOWNWARD)
+    i = -i - size;
+
   if (size > 0)
     {
       unsigned HOST_WIDE_INT k;
@@ -2286,11 +2286,10 @@ check_sibcall_argument_overlap (rtx_insn *insn, struct arg_data *arg,
 
   if (mark_stored_args_map)
     {
-#if ARGS_GROW_DOWNWARD
-      low = -arg->locate.slot_offset.constant - arg->locate.size.constant;
-#else
-      low = arg->locate.slot_offset.constant;
-#endif
+      if (ARGS_GROW_DOWNWARD)
+	low = -arg->locate.slot_offset.constant - arg->locate.size.constant;
+      else
+	low = arg->locate.slot_offset.constant;
 
       for (high = low + arg->locate.size.constant; low < high; low++)
 	bitmap_set_bit (stored_args_map, low);
@@ -2979,13 +2978,13 @@ expand_call (tree exp, rtx target, int ignore)
 		  if (! OUTGOING_REG_PARM_STACK_SPACE ((!fndecl ? fntype : TREE_TYPE (fndecl))))
 		    needed += reg_parm_stack_space;
 
-#if ARGS_GROW_DOWNWARD
-		  highest_outgoing_arg_in_use = MAX (initial_highest_arg_in_use,
-						     needed + 1);
-#else
-		  highest_outgoing_arg_in_use = MAX (initial_highest_arg_in_use,
-						     needed);
-#endif
+		  if (ARGS_GROW_DOWNWARD)
+		    highest_outgoing_arg_in_use
+		      = MAX (initial_highest_arg_in_use, needed + 1);
+		  else
+		    highest_outgoing_arg_in_use
+		      = MAX (initial_highest_arg_in_use, needed);
+
 		  free (stack_usage_map_buf);
 		  stack_usage_map_buf = XNEWVEC (char, highest_outgoing_arg_in_use);
 		  stack_usage_map = stack_usage_map_buf;
@@ -3047,9 +3046,8 @@ expand_call (tree exp, rtx target, int ignore)
 		  else
 		    {
 		      argblock = push_block (GEN_INT (needed), 0, 0);
-#if ARGS_GROW_DOWNWARD
-		      argblock = plus_constant (Pmode, argblock, needed);
-#endif
+		      if (ARGS_GROW_DOWNWARD)
+			argblock = plus_constant (Pmode, argblock, needed);
 		    }
 
 		  /* We only really need to call `copy_to_reg' in the case
@@ -4122,13 +4120,12 @@ emit_library_call_value_1 (int retval, rtx orgfun, rtx value,
       if (! OUTGOING_REG_PARM_STACK_SPACE ((!fndecl ? fntype : TREE_TYPE (fndecl))))
 	needed += reg_parm_stack_space;
 
-#if ARGS_GROW_DOWNWARD
-      highest_outgoing_arg_in_use = MAX (initial_highest_arg_in_use,
-					 needed + 1);
-#else
-      highest_outgoing_arg_in_use = MAX (initial_highest_arg_in_use,
-					 needed);
-#endif
+      if (ARGS_GROW_DOWNWARD)
+	highest_outgoing_arg_in_use = MAX (initial_highest_arg_in_use,
+					   needed + 1);
+      else
+	highest_outgoing_arg_in_use = MAX (initial_highest_arg_in_use, needed);
+
       stack_usage_map_buf = XNEWVEC (char, highest_outgoing_arg_in_use);
       stack_usage_map = stack_usage_map_buf;
 
@@ -4213,15 +4210,18 @@ emit_library_call_value_1 (int retval, rtx orgfun, rtx value,
 	      /* If this is being stored into a pre-allocated, fixed-size,
 		 stack area, save any previous data at that location.  */
 
-#if ARGS_GROW_DOWNWARD
-	      /* stack_slot is negative, but we want to index stack_usage_map
-		 with positive values.  */
-	      upper_bound = -argvec[argnum].locate.slot_offset.constant + 1;
-	      lower_bound = upper_bound - argvec[argnum].locate.size.constant;
-#else
-	      lower_bound = argvec[argnum].locate.slot_offset.constant;
-	      upper_bound = lower_bound + argvec[argnum].locate.size.constant;
-#endif
+	      if (ARGS_GROW_DOWNWARD)
+		{
+		  /* stack_slot is negative, but we want to index stack_usage_map
+		     with positive values.  */
+		  upper_bound = -argvec[argnum].locate.slot_offset.constant + 1;
+		  lower_bound = upper_bound - argvec[argnum].locate.size.constant;
+		}
+	      else
+		{
+		  lower_bound = argvec[argnum].locate.slot_offset.constant;
+		  upper_bound = lower_bound + argvec[argnum].locate.size.constant;
+		}
 
 	      i = lower_bound;
 	      /* Don't worry about things in the fixed argument area;
@@ -4702,23 +4702,26 @@ store_one_arg (struct arg_data *arg, rtx argblock, int flags,
 	 save any previous data at that location.  */
       if (argblock && ! variable_size && arg->stack)
 	{
-#if ARGS_GROW_DOWNWARD
-	  /* stack_slot is negative, but we want to index stack_usage_map
-	     with positive values.  */
-	  if (GET_CODE (XEXP (arg->stack_slot, 0)) == PLUS)
-	    upper_bound = -INTVAL (XEXP (XEXP (arg->stack_slot, 0), 1)) + 1;
-	  else
-	    upper_bound = 0;
+	  if (ARGS_GROW_DOWNWARD)
+	    {
+	      /* stack_slot is negative, but we want to index stack_usage_map
+		 with positive values.  */
+	      if (GET_CODE (XEXP (arg->stack_slot, 0)) == PLUS)
+		upper_bound = -INTVAL (XEXP (XEXP (arg->stack_slot, 0), 1)) + 1;
+	      else
+		upper_bound = 0;
 
-	  lower_bound = upper_bound - arg->locate.size.constant;
-#else
-	  if (GET_CODE (XEXP (arg->stack_slot, 0)) == PLUS)
-	    lower_bound = INTVAL (XEXP (XEXP (arg->stack_slot, 0), 1));
+	      lower_bound = upper_bound - arg->locate.size.constant;
+	    }
 	  else
-	    lower_bound = 0;
+	    {
+	      if (GET_CODE (XEXP (arg->stack_slot, 0)) == PLUS)
+		lower_bound = INTVAL (XEXP (XEXP (arg->stack_slot, 0), 1));
+	      else
+		lower_bound = 0;
 
-	  upper_bound = lower_bound + arg->locate.size.constant;
-#endif
+	      upper_bound = lower_bound + arg->locate.size.constant;
+	    }
 
 	  i = lower_bound;
 	  /* Don't worry about things in the fixed argument area;

gcc/function.c

@@ -3771,15 +3771,16 @@ assign_parms (tree fndecl)
   crtl->args.size = CEIL_ROUND (crtl->args.size,
 					   PARM_BOUNDARY / BITS_PER_UNIT);
 
-#if ARGS_GROW_DOWNWARD
-  crtl->args.arg_offset_rtx
-    = (all.stack_args_size.var == 0 ? GEN_INT (-all.stack_args_size.constant)
-       : expand_expr (size_diffop (all.stack_args_size.var,
-				   size_int (-all.stack_args_size.constant)),
-		      NULL_RTX, VOIDmode, EXPAND_NORMAL));
-#else
-  crtl->args.arg_offset_rtx = ARGS_SIZE_RTX (all.stack_args_size);
-#endif
+  if (ARGS_GROW_DOWNWARD)
+    {
+      crtl->args.arg_offset_rtx
+	= (all.stack_args_size.var == 0 ? GEN_INT (-all.stack_args_size.constant)
+	   : expand_expr (size_diffop (all.stack_args_size.var,
+				       size_int (-all.stack_args_size.constant)),
+			  NULL_RTX, VOIDmode, EXPAND_NORMAL));
+    }
+  else
+    crtl->args.arg_offset_rtx = ARGS_SIZE_RTX (all.stack_args_size);
 
   /* See how many bytes, if any, of its args a function should try to pop
      on return.  */
@@ -4070,68 +4071,71 @@ locate_and_pad_parm (machine_mode passed_mode, tree type, int in_regs,
   if (crtl->preferred_stack_boundary < boundary)
     crtl->preferred_stack_boundary = boundary;
 
-#if ARGS_GROW_DOWNWARD
-  locate->slot_offset.constant = -initial_offset_ptr->constant;
-  if (initial_offset_ptr->var)
-    locate->slot_offset.var = size_binop (MINUS_EXPR, ssize_int (0),
-					  initial_offset_ptr->var);
+  if (ARGS_GROW_DOWNWARD)
+    {
+      locate->slot_offset.constant = -initial_offset_ptr->constant;
+      if (initial_offset_ptr->var)
+	locate->slot_offset.var = size_binop (MINUS_EXPR, ssize_int (0),
+					      initial_offset_ptr->var);
 
-  {
-    tree s2 = sizetree;
-    if (where_pad != none
-	&& (!tree_fits_uhwi_p (sizetree)
-	    || (tree_to_uhwi (sizetree) * BITS_PER_UNIT) % round_boundary))
-      s2 = round_up (s2, round_boundary / BITS_PER_UNIT);
-    SUB_PARM_SIZE (locate->slot_offset, s2);
-  }
+	{
+	  tree s2 = sizetree;
+	  if (where_pad != none
+	      && (!tree_fits_uhwi_p (sizetree)
+		  || (tree_to_uhwi (sizetree) * BITS_PER_UNIT) % round_boundary))
+	    s2 = round_up (s2, round_boundary / BITS_PER_UNIT);
+	  SUB_PARM_SIZE (locate->slot_offset, s2);
+	}
+
+      locate->slot_offset.constant += part_size_in_regs;
+
+      if (!in_regs || reg_parm_stack_space > 0)
+	pad_to_arg_alignment (&locate->slot_offset, boundary,
+			      &locate->alignment_pad);
+
+      locate->size.constant = (-initial_offset_ptr->constant
+			       - locate->slot_offset.constant);
+      if (initial_offset_ptr->var)
+	locate->size.var = size_binop (MINUS_EXPR,
+				       size_binop (MINUS_EXPR,
+						   ssize_int (0),
+						   initial_offset_ptr->var),
+				       locate->slot_offset.var);
 
-  locate->slot_offset.constant += part_size_in_regs;
-
-  if (!in_regs || reg_parm_stack_space > 0)
-    pad_to_arg_alignment (&locate->slot_offset, boundary,
-			  &locate->alignment_pad);
-
-  locate->size.constant = (-initial_offset_ptr->constant
-			   - locate->slot_offset.constant);
-  if (initial_offset_ptr->var)
-    locate->size.var = size_binop (MINUS_EXPR,
-				   size_binop (MINUS_EXPR,
-					       ssize_int (0),
-					       initial_offset_ptr->var),
-				   locate->slot_offset.var);
-
-  /* Pad_below needs the pre-rounded size to know how much to pad
-     below.  */
-  locate->offset = locate->slot_offset;
-  if (where_pad == downward)
-    pad_below (&locate->offset, passed_mode, sizetree);
-
-#else /* !ARGS_GROW_DOWNWARD */
-  if (!in_regs || reg_parm_stack_space > 0)
-    pad_to_arg_alignment (initial_offset_ptr, boundary,
-			  &locate->alignment_pad);
-  locate->slot_offset = *initial_offset_ptr;
+      /* Pad_below needs the pre-rounded size to know how much to pad
+	 below.  */
+      locate->offset = locate->slot_offset;
+      if (where_pad == downward)
+	pad_below (&locate->offset, passed_mode, sizetree);
+
+    }
+  else
+    {
+      if (!in_regs || reg_parm_stack_space > 0)
+	pad_to_arg_alignment (initial_offset_ptr, boundary,
+			      &locate->alignment_pad);
+      locate->slot_offset = *initial_offset_ptr;
 
 #ifdef PUSH_ROUNDING
-  if (passed_mode != BLKmode)
-    sizetree = size_int (PUSH_ROUNDING (TREE_INT_CST_LOW (sizetree)));
+      if (passed_mode != BLKmode)
+	sizetree = size_int (PUSH_ROUNDING (TREE_INT_CST_LOW (sizetree)));
 #endif
 
-  /* Pad_below needs the pre-rounded size to know how much to pad below
-     so this must be done before rounding up.  */
-  locate->offset = locate->slot_offset;
-  if (where_pad == downward)
-    pad_below (&locate->offset, passed_mode, sizetree);
+      /* Pad_below needs the pre-rounded size to know how much to pad below
+	 so this must be done before rounding up.  */
+      locate->offset = locate->slot_offset;
+      if (where_pad == downward)
+	pad_below (&locate->offset, passed_mode, sizetree);
 
-  if (where_pad != none
-      && (!tree_fits_uhwi_p (sizetree)
-	  || (tree_to_uhwi (sizetree) * BITS_PER_UNIT) % round_boundary))
-    sizetree = round_up (sizetree, round_boundary / BITS_PER_UNIT);
+      if (where_pad != none
+	  && (!tree_fits_uhwi_p (sizetree)
+	      || (tree_to_uhwi (sizetree) * BITS_PER_UNIT) % round_boundary))
+	sizetree = round_up (sizetree, round_boundary / BITS_PER_UNIT);
 
-  ADD_PARM_SIZE (locate->size, sizetree);
+      ADD_PARM_SIZE (locate->size, sizetree);
 
-  locate->size.constant -= part_size_in_regs;
-#endif /* ARGS_GROW_DOWNWARD */
+      locate->size.constant -= part_size_in_regs;
+    }
 
 #ifdef FUNCTION_ARG_OFFSET
   locate->offset.constant += FUNCTION_ARG_OFFSET (passed_mode, type);
@@ -4175,11 +4179,11 @@ pad_to_arg_alignment (struct args_size *offset_ptr, int boundary,
 	  tree offset = size_binop (PLUS_EXPR,
 				    ARGS_SIZE_TREE (*offset_ptr),
 				    sp_offset_tree);
-#if ARGS_GROW_DOWNWARD
-	  tree rounded = round_down (offset, boundary / BITS_PER_UNIT);
-#else
-	  tree rounded = round_up   (offset, boundary / BITS_PER_UNIT);
-#endif
+	  tree rounded;
+	  if (ARGS_GROW_DOWNWARD)
+	    rounded = round_down (offset, boundary / BITS_PER_UNIT);
+	  else
+	    rounded = round_up   (offset, boundary / BITS_PER_UNIT);
 
 	  offset_ptr->var = size_binop (MINUS_EXPR, rounded, sp_offset_tree);
 	  /* ARGS_SIZE_TREE includes constant term.  */
@@ -4191,11 +4195,10 @@ pad_to_arg_alignment (struct args_size *offset_ptr, int boundary,
       else
 	{
 	  offset_ptr->constant = -sp_offset +
-#if ARGS_GROW_DOWNWARD
-	    FLOOR_ROUND (offset_ptr->constant + sp_offset, boundary_in_bytes);
-#else
+	    ARGS_GROW_DOWNWARD ?
+	    FLOOR_ROUND (offset_ptr->constant + sp_offset, boundary_in_bytes) :
 	    CEIL_ROUND (offset_ptr->constant + sp_offset, boundary_in_bytes);
-#endif
+
 	    if (boundary > PARM_BOUNDARY)
 	      alignment_pad->constant = offset_ptr->constant - save_constant;
 	}

gcc/targhooks.c

@@ -1786,12 +1786,11 @@ std_gimplify_va_arg_expr (tree valist, tree type, gimple_seq *pre_p,
   unsigned HOST_WIDE_INT align, boundary;
   bool indirect;
 
-#if ARGS_GROW_DOWNWARD
   /* All of the alignment and movement below is for args-grow-up machines.
      As of 2004, there are only 3 ARGS_GROW_DOWNWARD targets, and they all
      implement their own specialized gimplify_va_arg_expr routines.  */
-  gcc_unreachable ();
-#endif
+  if (ARGS_GROW_DOWNWARD)
+    gcc_unreachable ();
 
   indirect = pass_by_reference (NULL, TYPE_MODE (type), type, false);
   if (indirect)