diff options
Diffstat (limited to 'gcc/builtins.c')
-rw-r--r-- | gcc/builtins.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c index 5162927..d949dbb 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -5460,8 +5460,17 @@ expand_builtin_atomic_fetch_op (enum machine_mode mode, tree exp, rtx target, /* Then issue the arithmetic correction to return the right result. */ if (!ignore) - ret = expand_simple_binop (mode, code, ret, val, NULL_RTX, true, - OPTAB_LIB_WIDEN); + { + if (code == NOT) + { + ret = expand_simple_binop (mode, AND, ret, val, NULL_RTX, true, + OPTAB_LIB_WIDEN); + ret = expand_simple_unop (mode, NOT, ret, target, true); + } + else + ret = expand_simple_binop (mode, code, ret, val, target, true, + OPTAB_LIB_WIDEN); + } return ret; } |