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function.c (put_var_into_stack): Don't reference DECL_ fields if input is a SAVE_EXPR.

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* function.c (put_var_into_stack): Don't reference DECL_ fields
	if input is a SAVE_EXPR.
	Use set_mem_attributes in COMPLEX case.

From-SVN: r34591
This commit is contained in:
Richard Kenner 2000-06-19 01:33:32 +00:00 committed by Richard Kenner
parent d4d17e95f1
commit c357082f8e
2 changed files with 17 additions and 25 deletions
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6
gcc/ChangeLog
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@ -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.

36
gcc/function.c
View File

@ -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. */