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-rw-r--r--gcc/tree-into-ssa.c19
1 files changed, 10 insertions, 9 deletions
diff --git a/gcc/tree-into-ssa.c b/gcc/tree-into-ssa.c
index 0d01613..1493b32 100644
--- a/gcc/tree-into-ssa.c
+++ b/gcc/tree-into-ssa.c
@@ -41,6 +41,7 @@ along with GCC; see the file COPYING3. If not see
#include "stringpool.h"
#include "attribs.h"
#include "asan.h"
+#include "attr-fnspec.h"
#define PERCENT(x,y) ((float)(x) * 100.0 / (float)(y))
@@ -2492,19 +2493,19 @@ pass_build_ssa::execute (function *fun)
}
/* Initialize SSA_NAME_POINTS_TO_READONLY_MEMORY. */
- tree fnspec = lookup_attribute ("fn spec",
- TYPE_ATTRIBUTES (TREE_TYPE (fun->decl)));
- if (fnspec)
+ tree fnspec_tree
+ = lookup_attribute ("fn spec",
+ TYPE_ATTRIBUTES (TREE_TYPE (fun->decl)));
+ if (fnspec_tree)
{
- fnspec = TREE_VALUE (TREE_VALUE (fnspec));
- unsigned i = 1;
+ attr_fnspec fnspec (TREE_VALUE (TREE_VALUE (fnspec_tree)));
+ unsigned i = 0;
for (tree arg = DECL_ARGUMENTS (cfun->decl);
arg; arg = DECL_CHAIN (arg), ++i)
{
- if (i >= (unsigned) TREE_STRING_LENGTH (fnspec))
- break;
- if (TREE_STRING_POINTER (fnspec)[i] == 'R'
- || TREE_STRING_POINTER (fnspec)[i] == 'r')
+ if (!fnspec.arg_specified_p (i))
+ break;
+ if (fnspec.arg_readonly_p (i))
{
tree name = ssa_default_def (fun, arg);
if (name)