static int some_nonzerop (tree t) { int zerop = false; if (TREE_CODE (t) == REAL_CST) zerop = REAL_VALUES_IDENTICAL (TREE_REAL_CST (t), dconst0); else if (TREE_CODE (t) == FIXED_CST) zerop = fixed_zerop (t); else if (TREE_CODE (t) == INTEGER_CST) zerop = integer_zerop (t); return !zerop; }
static int some_nonzerop (tree t) { int zerop = false; /* Operations with real or imaginary part of a complex number zero cannot be treated the same as operations with a real or imaginary operand if we care about the signs of zeros in the result. */ if (TREE_CODE (t) == REAL_CST && !flag_signed_zeros) zerop = REAL_VALUES_IDENTICAL (TREE_REAL_CST (t), dconst0); else if (TREE_CODE (t) == FIXED_CST) zerop = fixed_zerop (t); else if (TREE_CODE (t) == INTEGER_CST) zerop = integer_zerop (t); return !zerop; }