+2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
+
+ * emit-rtl.c (reset_used_decls): New function.
+ (unshare_all_rtl_again): Call it.
+
2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
* cpplex.c (maybe_macroexpand): Warn about function-like
static void mark_sequence_stack PARAMS ((struct sequence_stack *));
static void unshare_all_rtl_1 PARAMS ((rtx));
static void unshare_all_decls PARAMS ((tree));
+static void reset_used_decls PARAMS ((tree));
static hashval_t const_int_htab_hash PARAMS ((const void *));
static int const_int_htab_eq PARAMS ((const void *,
const void *));
reset_used_flags (LOG_LINKS (p));
}
+ /* Make sure that virtual stack slots are not shared. */
+ reset_used_decls (DECL_INITIAL (cfun->decl));
+
/* Make sure that virtual parameters are not shared. */
for (decl = DECL_ARGUMENTS (cfun->decl); decl; decl = TREE_CHAIN (decl))
reset_used_flags (DECL_RTL (decl));
/* Copy shared decls. */
for (t = BLOCK_VARS (blk); t; t = TREE_CHAIN (t))
- DECL_RTL (t) = copy_rtx_if_shared (DECL_RTL (t));
+ DECL_RTL (t) = copy_rtx_if_shared (DECL_RTL (t));
/* Now process sub-blocks. */
for (t = BLOCK_SUBBLOCKS (blk); t; t = TREE_CHAIN (t))
unshare_all_decls (t);
}
+/* Go through all virtual stack slots of a function and mark them as
+ not shared. */
+static void
+reset_used_decls (blk)
+ tree blk;
+{
+ tree t;
+
+ /* Mark decls. */
+ for (t = BLOCK_VARS (blk); t; t = TREE_CHAIN (t))
+ reset_used_flags (DECL_RTL (t));
+
+ /* Now process sub-blocks. */
+ for (t = BLOCK_SUBBLOCKS (blk); t; t = TREE_CHAIN (t))
+ reset_used_decls (t);
+}
+
/* Mark ORIG as in use, and return a copy of it if it was already in use.
Recursively does the same for subexpressions. */