> Please look at builtins.def, grep for TYPEGENERIC. Sure, I can define it as TYPEGENERIC in the builtins.def, like this:
Index: builtins.def =================================================================== --- builtins.def (revision 225434) +++ builtins.def (working copy) @@ -489,7 +489,7 @@ DEF_C99_BUILTIN (BUILT_IN_SCALBLN DEF_C99_BUILTIN (BUILT_IN_SCALBN, "scalbn", BT_FN_DOUBLE_DOUBLE_INT, ATTR_MATHFN_FPROUNDING_ERRNO) DEF_C99_BUILTIN (BUILT_IN_SCALBNF, "scalbnf", BT_FN_FLOAT_FLOAT_INT, ATTR_MATHFN_FPROUNDING_ERRNO) DEF_C99_BUILTIN (BUILT_IN_SCALBNL, "scalbnl", BT_FN_LONGDOUBLE_LONGDOUBLE_INT, ATTR_MATHFN_FPROUNDING_ERRNO) -DEF_EXT_LIB_BUILTIN (BUILT_IN_SIGNBIT, "signbit", BT_FN_INT_DOUBLE, ATTR_CONST_NOTHROW_LEAF_LIST) +DEF_EXT_LIB_BUILTIN (BUILT_IN_SIGNBIT, "signbit", BT_FN_INT_VAR, ATTR_CONST_NOTHROW_TYPEGENERIC_LEAF) DEF_EXT_LIB_BUILTIN (BUILT_IN_SIGNBITF, "signbitf", BT_FN_INT_FLOAT, ATTR_CONST_NOTHROW_LEAF_LIST) DEF_EXT_LIB_BUILTIN (BUILT_IN_SIGNBITL, "signbitl", BT_FN_INT_LONGDOUBLE, ATTR_CONST_NOTHROW_LEAF_LIST) DEF_EXT_LIB_BUILTIN (BUILT_IN_SIGNBITD32, "signbitd32", BT_FN_INT_DFLOAT32, ATTR_CONST_NOTHROW_LEAF_LIST) But does that mean the middle-end will handle it completely? FX