* function.c (put_var_into_stack): Don't reference DECL_ fields

	if input is a SAVE_EXPR.
	Use set_mem_attributes in COMPLEX case.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@34591 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index efd8221..3a5e0f8 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+Sun Jun 18 21:42:15 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * function.c (put_var_into_stack): Don't reference DECL_ fields
+       if input is a SAVE_EXPR.
+       Use set_mem_attributes in COMPLEX case.
+
 2000-06-18  Richard Henderson  <rth@cygnus.com>
 
        * config/ia64/ia64-protos.h (process_for_unwind_directive): Declare.

diff --git a/gcc/function.c b/gcc/function.c
index d2c8a52..ac8d03a 100644 (file)
--- a/gcc/function.c
+++ b/gcc/function.c
@@ -1335,6 +1335,9 @@ put_var_into_stack (decl)
   struct function *function = 0;
   tree context;
   int can_use_addressof;
+  int volatilep = TREE_CODE (decl) != SAVE_EXPR && TREE_THIS_VOLATILE (decl);
+  int usedp = (TREE_USED (decl)
+              || (TREE_CODE (decl) != SAVE_EXPR && DECL_INITIAL (decl) != 0));
 
   context = decl_function_context (decl);
 
@@ -1362,7 +1365,7 @@ put_var_into_stack (decl)
 
   /* If this is a variable-size object with a pseudo to address it,
      put that pseudo into the stack, if the var is nonlocal.  */
-  if (DECL_NONLOCAL (decl)
+  if (TREE_CODE (decl) != SAVE_EXPR && DECL_NONLOCAL (decl)
       && GET_CODE (reg) == MEM
       && GET_CODE (XEXP (reg, 0)) == REG
       && REGNO (XEXP (reg, 0)) > LAST_VIRTUAL_REGISTER)
@@ -1397,15 +1400,8 @@ put_var_into_stack (decl)
       if (can_use_addressof)
        gen_mem_addressof (reg, decl);
       else
-       put_reg_into_stack (function, reg, TREE_TYPE (decl),
-                           promoted_mode, decl_mode,
-                           (TREE_CODE (decl) != SAVE_EXPR
-                            && TREE_THIS_VOLATILE (decl)),
-                           0,
-                           (TREE_USED (decl)
-                            || (TREE_CODE (decl) != SAVE_EXPR
-                                && DECL_INITIAL (decl) != 0)),
-                           0);
+       put_reg_into_stack (function, reg, TREE_TYPE (decl), promoted_mode,
+                           decl_mode, volatilep, 0, usedp, 0);
     }
   else if (GET_CODE (reg) == CONCAT)
     {
@@ -1416,29 +1412,19 @@ put_var_into_stack (decl)
 #ifdef FRAME_GROWS_DOWNWARD
       /* Since part 0 should have a lower address, do it second.  */
       put_reg_into_stack (function, XEXP (reg, 1), part_type, part_mode,
-                         part_mode, TREE_SIDE_EFFECTS (decl), 0,
-                         TREE_USED (decl) || DECL_INITIAL (decl) != 0,
-                         0);
+                         part_mode, volatilep, 0, usedp, 0);
       put_reg_into_stack (function, XEXP (reg, 0), part_type, part_mode,
-                         part_mode, TREE_SIDE_EFFECTS (decl), 0,
-                         TREE_USED (decl) || DECL_INITIAL (decl) != 0,
-                         0);
+                         part_mode, volatilep, 0, usedp, 0);
 #else
       put_reg_into_stack (function, XEXP (reg, 0), part_type, part_mode,
-                         part_mode, TREE_SIDE_EFFECTS (decl), 0,
-                         TREE_USED (decl) || DECL_INITIAL (decl) != 0,
-                         0);
+                         part_mode, volatilep, 0, usedp, 0);
       put_reg_into_stack (function, XEXP (reg, 1), part_type, part_mode,
-                         part_mode, TREE_SIDE_EFFECTS (decl), 0,
-                         TREE_USED (decl) || DECL_INITIAL (decl) != 0,
-                         0);
+                         part_mode, volatilep, 0, usedp, 0);
 #endif
 
       /* Change the CONCAT into a combined MEM for both parts.  */
       PUT_CODE (reg, MEM);
-      MEM_VOLATILE_P (reg) = MEM_VOLATILE_P (XEXP (reg, 0));
-      MEM_ALIAS_SET (reg) = get_alias_set (decl);
-      MEM_SET_IN_STRUCT_P (reg, AGGREGATE_TYPE_P (TREE_TYPE (decl)));
+      set_mem_attributes (reg, decl, 1);
 
       /* The two parts are in memory order already.
         Use the lower parts address as ours.  */