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Do the int inlining only if the type is really an int, not whenever

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PyInt_Check() succeeds.  That returns true for subtypes of int, which
may override __add__ or __sub__.
This commit is contained in:
Guido van Rossum 2001-08-30 16:06:23 +00:00
parent 13228a6f09
commit 46add98758
1 changed files with 9 additions and 6 deletions
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15
Python/ceval.c
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@ -548,6 +548,9 @@ eval_frame(PyFrameObject *f)
#define POP() BASIC_POP()
#endif
/* Strict int check macros */
#define ISSTRICTINT(v) ((v)->ob_type == &PyInt_Type)
/* Local variable macros */
#define GETLOCAL(i) (fastlocals[i])
@ -909,7 +912,7 @@ eval_frame(PyFrameObject *f)
case BINARY_ADD:
w = POP();
v = POP();
if (PyInt_Check(v) && PyInt_Check(w)) {
if (ISSTRICTINT(v) && ISSTRICTINT(w)) {
/* INLINE: int + int */
register long a, b, i;
a = PyInt_AS_LONG(v);
@ -932,7 +935,7 @@ eval_frame(PyFrameObject *f)
case BINARY_SUBTRACT:
w = POP();
v = POP();
if (PyInt_Check(v) && PyInt_Check(w)) {
if (ISSTRICTINT(v) && ISSTRICTINT(w)) {
/* INLINE: int - int */
register long a, b, i;
a = PyInt_AS_LONG(v);
@ -955,7 +958,7 @@ eval_frame(PyFrameObject *f)
case BINARY_SUBSCR:
w = POP();
v = POP();
if (v->ob_type == &PyList_Type && PyInt_Check(w)) {
if (v->ob_type == &PyList_Type && ISSTRICTINT(w)) {
/* INLINE: list[int] */
long i = PyInt_AsLong(w);
if (i < 0)
@ -1092,7 +1095,7 @@ eval_frame(PyFrameObject *f)
case INPLACE_ADD:
w = POP();
v = POP();
if (PyInt_Check(v) && PyInt_Check(w)) {
if (ISSTRICTINT(v) && ISSTRICTINT(w)) {
/* INLINE: int + int */
register long a, b, i;
a = PyInt_AS_LONG(v);
@ -1115,7 +1118,7 @@ eval_frame(PyFrameObject *f)
case INPLACE_SUBTRACT:
w = POP();
v = POP();
if (PyInt_Check(v) && PyInt_Check(w)) {
if (ISSTRICTINT(v) && ISSTRICTINT(w)) {
/* INLINE: int - int */
register long a, b, i;
a = PyInt_AS_LONG(v);
@ -1718,7 +1721,7 @@ eval_frame(PyFrameObject *f)
case COMPARE_OP:
w = POP();
v = POP();
if (PyInt_Check(v) && PyInt_Check(w)) {
if (ISSTRICTINT(v) && ISSTRICTINT(w)) {
/* INLINE: cmp(int, int) */
register long a, b;
register int res;