From c357082f8e632d4fdf9a55db763c9ec67bc65c82 Mon Sep 17 00:00:00 2001
From: Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
Date: Mon, 19 Jun 2000 01:33:32 +0000
Subject: [PATCH] function.c (put_var_into_stack): Don't reference DECL_ fields
if input is a SAVE_EXPR.
* 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
---
gcc/ChangeLog | 6 ++++++
gcc/function.c | 36 +++++++++++-------------------------
2 files changed, 17 insertions(+), 25 deletions(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index efd8221db9fc..3a5e0f8ea3cb 100644
--- 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 d2c8a5202392..ac8d03ac4880 100644
--- 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. */
--
GitLab