diff options
Diffstat (limited to 'gcc/builtins.c')
| -rw-r--r-- | gcc/builtins.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c index e8974e1bbc2..6d755a1b5c7 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -5748,6 +5748,7 @@ expand_builtin (tree exp, rtx target, rtx subtarget, enum machine_mode mode, tree fndecl = get_callee_fndecl (exp); enum built_in_function fcode = DECL_FUNCTION_CODE (fndecl); enum machine_mode target_mode = TYPE_MODE (TREE_TYPE (exp)); + int flags; if (DECL_BUILT_IN_CLASS (fndecl) == BUILT_IN_MD) return targetm.expand_builtin (exp, target, subtarget, mode, ignore); @@ -5770,8 +5771,8 @@ expand_builtin (tree exp, rtx target, rtx subtarget, enum machine_mode mode, none of its arguments are volatile, we can avoid expanding the built-in call and just evaluate the arguments for side-effects. */ if (target == const0_rtx - && (DECL_PURE_P (fndecl) || TREE_READONLY (fndecl)) - && !DECL_LOOPING_CONST_OR_PURE_P (fndecl)) + && ((flags = flags_from_decl_or_type (fndecl)) & (ECF_CONST | ECF_PURE)) + && !(flags & ECF_LOOPING_CONST_OR_PURE)) { bool volatilep = false; tree arg; |