From 8081b5e747a61d4cf3dd97bbbf7368498a3f99be Mon Sep 17 00:00:00 2001 From: rguenth Date: Fri, 23 Apr 2010 15:46:23 +0000 Subject: [PATCH] 2010-04-23 Richard Guenther PR tree-optimization/43572 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@158671 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/ChangeLog | 5 +++++ gcc/tree-tailcall.c | 3 ++- 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 586f1e6b670..c7eecfb50f5 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2010-04-23 Richard Guenther + PR tree-optimization/43572 + * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses. + +2010-04-23 Richard Guenther + PR lto/43455 * tree-inline.c (tree_can_inline_p): Also check compatibility of return types. diff --git a/gcc/tree-tailcall.c b/gcc/tree-tailcall.c index 4d2422aa623..a9f01919b4d 100644 --- a/gcc/tree-tailcall.c +++ b/gcc/tree-tailcall.c @@ -458,7 +458,8 @@ find_tail_calls (basic_block bb, struct tailcall **ret) to local variables. */ FOR_EACH_REFERENCED_VAR (var, rvi) { - if (!is_global_var (var) + if (TREE_CODE (var) != PARM_DECL + && auto_var_in_fn_p (var, cfun->decl) && ref_maybe_used_by_stmt_p (call, var)) return; } -- 2.11.0