diff options
Diffstat (limited to 'gcc/builtins.c')
| -rw-r--r-- | gcc/builtins.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c index 62e0000..08d2bb7 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -3793,10 +3793,14 @@ fold_builtin_constant_p (arglist) has side effects, show we don't know it to be a constant. Likewise if it's a pointer or aggregate type since in those case we only want literals, since those are only optimized - when generating RTL, not later. */ + when generating RTL, not later. + And finally, if we are compiling an initializer, not code, we + need to return a definite result now; there's not going to be any + more optimization done. */ if (TREE_SIDE_EFFECTS (arglist) || cse_not_expected || AGGREGATE_TYPE_P (TREE_TYPE (arglist)) - || POINTER_TYPE_P (TREE_TYPE (arglist))) + || POINTER_TYPE_P (TREE_TYPE (arglist)) + || cfun == 0) return integer_zero_node; return 0; |