diff options
Diffstat (limited to 'gcc/builtins.c')
| -rw-r--r-- | gcc/builtins.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c index abe342e..00f6c55 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -178,7 +178,7 @@ static rtx expand_builtin_memory_chk (tree, rtx, machine_mode, enum built_in_function); static void maybe_emit_chk_warning (tree, enum built_in_function); static void maybe_emit_sprintf_chk_warning (tree, enum built_in_function); -static tree fold_builtin_object_size (tree, tree); +static tree fold_builtin_object_size (tree, tree, enum built_in_function); unsigned HOST_WIDE_INT target_newline; unsigned HOST_WIDE_INT target_percent; @@ -7909,6 +7909,7 @@ expand_builtin (tree exp, rtx target, rtx subtarget, machine_mode mode, return const0_rtx; case BUILT_IN_OBJECT_SIZE: + case BUILT_IN_DYNAMIC_OBJECT_SIZE: return expand_builtin_object_size (exp); case BUILT_IN_MEMCPY_CHK: @@ -9315,7 +9316,8 @@ fold_builtin_2 (location_t loc, tree expr, tree fndecl, tree arg0, tree arg1) break; case BUILT_IN_OBJECT_SIZE: - return fold_builtin_object_size (arg0, arg1); + case BUILT_IN_DYNAMIC_OBJECT_SIZE: + return fold_builtin_object_size (arg0, arg1, fcode); case BUILT_IN_ATOMIC_ALWAYS_LOCK_FREE: return fold_builtin_atomic_always_lock_free (arg0, arg1); @@ -10253,7 +10255,7 @@ maybe_emit_sprintf_chk_warning (tree exp, enum built_in_function fcode) if possible. */ static tree -fold_builtin_object_size (tree ptr, tree ost) +fold_builtin_object_size (tree ptr, tree ost, enum built_in_function fcode) { tree bytes; int object_size_type; @@ -10277,6 +10279,9 @@ fold_builtin_object_size (tree ptr, tree ost) if (TREE_SIDE_EFFECTS (ptr)) return build_int_cst_type (size_type_node, object_size_type < 2 ? -1 : 0); + if (fcode == BUILT_IN_DYNAMIC_OBJECT_SIZE) + object_size_type |= OST_DYNAMIC; + if (TREE_CODE (ptr) == ADDR_EXPR) { compute_builtin_object_size (ptr, object_size_type, &bytes); |