* tree.h (avoid_folding_inline_builtin): New prototype.

	* builtins.c (avoid_folding_inline_builtin): No longer static.
	* gimple-fold.c (gimple_fold_builtin): Give up if
	avoid_folding_inline_builtin returns true.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@179614 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 74b1139..445cf4a 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2011-10-06  Jakub Jelinek  <jakub@redhat.com>
+
+       * tree.h (avoid_folding_inline_builtin): New prototype.
+       * builtins.c (avoid_folding_inline_builtin): No longer static.
+       * gimple-fold.c (gimple_fold_builtin): Give up if
+       avoid_folding_inline_builtin returns true.
+
 2011-10-06  Richard Guenther  <rguenther@suse.de>
 
        * tree-vect-generic.c (vector_element): Look at previous

diff --git a/gcc/builtins.c b/gcc/builtins.c
index 3055927..8476b0e 100644 (file)
--- a/gcc/builtins.c
+++ b/gcc/builtins.c
@@ -10360,7 +10360,7 @@ fold_builtin_varargs (location_t loc, tree fndecl, tree exp,
    been inlined, otherwise e.g. -D_FORTIFY_SOURCE checking
    might not be performed.  */
 
-static bool
+bool
 avoid_folding_inline_builtin (tree fndecl)
 {
   return (DECL_DECLARED_INLINE_P (fndecl)

diff --git a/gcc/gimple-fold.c b/gcc/gimple-fold.c
index fcfbcc8..b4993fd 100644 (file)
--- a/gcc/gimple-fold.c
+++ b/gcc/gimple-fold.c
@@ -828,6 +828,11 @@ gimple_fold_builtin (gimple stmt)
   if (DECL_BUILT_IN_CLASS (callee) == BUILT_IN_MD)
     return NULL_TREE;
 
+  /* Give up for always_inline inline builtins until they are
+     inlined.  */
+  if (avoid_folding_inline_builtin (callee))
+    return NULL_TREE;
+
   /* If the builtin could not be folded, and it has no argument list,
      we're done.  */
   nargs = gimple_call_num_args (stmt);

diff --git a/gcc/tree.h b/gcc/tree.h
index f064bbe..e0f1a07 100644 (file)
--- a/gcc/tree.h
+++ b/gcc/tree.h
@@ -5352,6 +5352,7 @@ fold_build_pointer_plus_hwi_loc (location_t loc, tree ptr, HOST_WIDE_INT off)
        fold_build_pointer_plus_hwi_loc (UNKNOWN_LOCATION, p, o)
 
 /* In builtins.c */
+extern bool avoid_folding_inline_builtin (tree);
 extern tree fold_call_expr (location_t, tree, bool);
 extern tree fold_builtin_fputs (location_t, tree, tree, bool, bool, tree);
 extern tree fold_builtin_strcpy (location_t, tree, tree, tree, tree);