+2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
+
+ * emit-rtl.c (unshare_all_decls): New function.
+ (unshare_all_rtl): Call it.
+
2000-05-23 Nick Clifton <nickc@cygnus.com>
* configure.in: Treat 'strongarm' as if it were 'arm' when
static rtx find_line_note PARAMS ((rtx));
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 hashval_t const_int_htab_hash PARAMS ((const void *));
static int const_int_htab_eq PARAMS ((const void *,
const void *));
for (decl = DECL_ARGUMENTS (fndecl); decl; decl = TREE_CHAIN (decl))
DECL_RTL (decl) = copy_rtx_if_shared (DECL_RTL (decl));
+ /* Make sure that virtual stack slots are not shared. */
+ unshare_all_decls (DECL_INITIAL (fndecl));
+
/* Unshare just about everything else. */
unshare_all_rtl_1 (insn);
}
}
+/* Go through all virtual stack slots of a function and copy any
+ shared structure. */
+static void
+unshare_all_decls (blk)
+ tree blk;
+{
+ tree t;
+
+ /* Copy shared decls. */
+ for (t = BLOCK_VARS (blk); t; t = TREE_CHAIN (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);
+}
+
/* Mark ORIG as in use, and return a copy of it if it was already in use.
Recursively does the same for subexpressions. */