commit 6b519985d23bd0f0bd072b5d5d5f2c60a81a19f2
author animalize <animalize@users.noreply.github.com> Fri Sep 06 14:00:56 2019 +0800
committer Raymond Hettinger <rhettinger@users.noreply.github.com> Thu Sep 05 23:00:56 2019 -0700
tree e0d74dc749c4664dbcf80273d29e9fee7c4291dc
parent 3f43ceff186da09978d0aff257bb18b8ac7611f7

replace inline function `is_small_int` with a macro version (GH-15710)

Objects/longobject.c

diff --git a/Objects/longobject.c b/Objects/longobject.c
index 475b9bd..4cf2b07 100644
--- a/Objects/longobject.c
+++ b/Objects/longobject.c
@@ -42,11 +42,7 @@
 */
 static PyLongObject small_ints[NSMALLNEGINTS + NSMALLPOSINTS];
 
-static inline int
-is_small_int(long long ival)
-{
-    return -NSMALLNEGINTS <= ival && ival < NSMALLPOSINTS;
-}
+#define IS_SMALL_INT(ival) (-NSMALLNEGINTS <= (ival) && (ival) < NSMALLPOSINTS)
 
 #ifdef COUNT_ALLOCS
 Py_ssize_t _Py_quick_int_allocs, _Py_quick_neg_int_allocs;
@@ -56,7 +52,7 @@
 get_small_int(sdigit ival)
 {
     PyObject *v;
-    assert(is_small_int(ival));
+    assert(IS_SMALL_INT(ival));
     v = (PyObject *)&small_ints[ival + NSMALLNEGINTS];
     Py_INCREF(v);
 #ifdef COUNT_ALLOCS
@@ -73,7 +69,7 @@
 {
     if (v && Py_ABS(Py_SIZE(v)) <= 1) {
         sdigit ival = MEDIUM_VALUE(v);
-        if (is_small_int(ival)) {
+        if (IS_SMALL_INT(ival)) {
             Py_DECREF(v);
             return (PyLongObject *)get_small_int(ival);
         }
@@ -81,8 +77,8 @@
     return v;
 }
 #else
-#define is_small_int(ival) 0
-#define get_small_int(ival) (assert(0), NULL)
+#define IS_SMALL_INT(ival) 0
+#define get_small_int(ival) (Py_UNREACHABLE(), NULL)
 #define maybe_small_long(val) (val)
 #endif
 
@@ -297,7 +293,7 @@
         i = -(i);
     if (i < 2) {
         sdigit ival = MEDIUM_VALUE(src);
-        if (is_small_int(ival)) {
+        if (IS_SMALL_INT(ival)) {
             return get_small_int(ival);
         }
     }
@@ -321,7 +317,7 @@
     int ndigits = 0;
     int sign;
 
-    if (is_small_int(ival)) {
+    if (IS_SMALL_INT(ival)) {
         return get_small_int((sdigit)ival);
     }
 
@@ -1154,7 +1150,7 @@
     int ndigits = 0;
     int negative = 0;
 
-    if (is_small_int(ival)) {
+    if (IS_SMALL_INT(ival)) {
         return get_small_int((sdigit)ival);
     }
 
@@ -1229,7 +1225,7 @@
     int ndigits = 0;
     int negative = 0;
 
-    if (is_small_int(ival)) {
+    if (IS_SMALL_INT(ival)) {
         return get_small_int((sdigit)ival);
     }