diff --git a/Zend/zend_operators.c b/Zend/zend_operators.c
index 312ba833987e1..00286cac388c7 100644
--- a/Zend/zend_operators.c
+++ b/Zend/zend_operators.c
@@ -2109,7 +2109,7 @@ ZEND_API int ZEND_FASTCALL numeric_compare_function(zval *op1, zval *op2) /* {{{
 	d1 = zval_get_double(op1);
 	d2 = zval_get_double(op2);
 
-	return ZEND_NORMALIZE_BOOL(d1 - d2);
+	return ZEND_THREEWAY_COMPARE(d1, d2);
 }
 /* }}} */
 
@@ -2131,8 +2131,7 @@ static int compare_long_to_string(zend_long lval, zend_string *str) /* {{{ */
 	}
 
 	if (type == IS_DOUBLE) {
-		double diff = (double) lval - str_dval;
-		return ZEND_NORMALIZE_BOOL(diff);
+		return ZEND_THREEWAY_COMPARE((double) lval, str_dval);
 	}
 
 	zend_string *lval_as_str = zend_long_to_str(lval);
@@ -2150,15 +2149,11 @@ static int compare_double_to_string(double dval, zend_string *str) /* {{{ */
 	uint8_t type = is_numeric_string(ZSTR_VAL(str), ZSTR_LEN(str), &str_lval, &str_dval, 0);
 
 	if (type == IS_LONG) {
-		double diff = dval - (double) str_lval;
-		return ZEND_NORMALIZE_BOOL(diff);
+		return ZEND_THREEWAY_COMPARE(dval, (double) str_lval);
 	}
 
 	if (type == IS_DOUBLE) {
-		if (dval == str_dval) {
-			return 0;
-		}
-		return ZEND_NORMALIZE_BOOL(dval - str_dval);
+		return ZEND_THREEWAY_COMPARE(dval, str_dval);
 	}
 
 	zend_string *dval_as_str = zend_double_to_str(dval);
@@ -2180,17 +2175,13 @@ ZEND_API int ZEND_FASTCALL zend_compare(zval *op1, zval *op2) /* {{{ */
 				return Z_LVAL_P(op1)>Z_LVAL_P(op2)?1:(Z_LVAL_P(op1)<Z_LVAL_P(op2)?-1:0);
 
 			case TYPE_PAIR(IS_DOUBLE, IS_LONG):
-				return ZEND_NORMALIZE_BOOL(Z_DVAL_P(op1) - (double)Z_LVAL_P(op2));
+				return ZEND_THREEWAY_COMPARE(Z_DVAL_P(op1), (double)Z_LVAL_P(op2));
 
 			case TYPE_PAIR(IS_LONG, IS_DOUBLE):
-				return ZEND_NORMALIZE_BOOL((double)Z_LVAL_P(op1) - Z_DVAL_P(op2));
+				return ZEND_THREEWAY_COMPARE((double)Z_LVAL_P(op1), Z_DVAL_P(op2));
 
 			case TYPE_PAIR(IS_DOUBLE, IS_DOUBLE):
-				if (Z_DVAL_P(op1) == Z_DVAL_P(op2)) {
-					return 0;
-				} else {
-					return ZEND_NORMALIZE_BOOL(Z_DVAL_P(op1) - Z_DVAL_P(op2));
-				}
+				return ZEND_THREEWAY_COMPARE(Z_DVAL_P(op1), Z_DVAL_P(op2));
 
 			case TYPE_PAIR(IS_ARRAY, IS_ARRAY):
 				return zend_compare_arrays(op1, op2);
diff --git a/ext/spl/spl_heap.c b/ext/spl/spl_heap.c
index a95595e631c16..d781ff4ca010d 100644
--- a/ext/spl/spl_heap.c
+++ b/ext/spl/spl_heap.c
@@ -247,7 +247,7 @@ static int spl_ptr_pqueue_elem_cmp_long(void *x, void *y, zval *object) {
 static int spl_ptr_pqueue_elem_cmp_double(void *x, void *y, zval *object) {
 	double a = Z_DVAL(((spl_pqueue_elem*) x)->priority);
 	double b = Z_DVAL(((spl_pqueue_elem*) y)->priority);
-	return ZEND_NORMALIZE_BOOL(a - b);
+	return ZEND_THREEWAY_COMPARE(a, b);
 }
 
 static spl_ptr_heap *spl_ptr_heap_init(spl_ptr_heap_cmp_func cmp, spl_ptr_heap_ctor_func ctor, spl_ptr_heap_dtor_func dtor, size_t elem_size) /* {{{ */
diff --git a/ext/standard/array.c b/ext/standard/array.c
index dc0d434d1883e..b7ab04e5deea3 100644
--- a/ext/standard/array.c
+++ b/ext/standard/array.c
@@ -164,7 +164,7 @@ static zend_always_inline int php_array_key_compare_numeric_unstable_i(Bucket *f
 		} else {
 			d2 = (double)(zend_long)s->h;
 		}
-		return ZEND_NORMALIZE_BOOL(d1 - d2);
+		return ZEND_THREEWAY_COMPARE(d1, d2);
 	}
 }
 /* }}} */