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emit-rtl.c (unshare_all_decls): New function. 

* emit-rtl.c (unshare_all_decls): New function.
(unshare_all_rtl): Call it.

From-SVN: r34118
This commit is contained in:
Alexandre Oliva 2000-05-24 03:11:27 +00:00 committed by Alexandre Oliva
parent f8e2da56c1
commit 5c6df0588c
2 changed files with 26 additions and 0 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
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

21
gcc/emit-rtl.c
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@ -178,6 +178,7 @@ static rtx make_call_insn_raw PARAMS ((rtx));
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 *));
@ -1697,6 +1698,9 @@ unshare_all_rtl (fndecl, insn)
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);
@ -1754,6 +1758,23 @@ 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. */