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Issue #11244: Remove outdated peepholer check that was preventing the peepholer from folding -0 and -0.0. Thanks Eugene Toder for the patch.

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This commit is contained in:
Mark Dickinson 2011-03-23 17:59:37 +00:00
parent ba7b560c1d
commit 7c9e803284
4 changed files with 17 additions and 4 deletions
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6
Python/peephole.c
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@ -238,7 +238,7 @@ fold_binops_on_constants(unsigned char *codestr, PyObject *consts, PyObject **ob
static int
fold_unaryops_on_constants(unsigned char *codestr, PyObject *consts, PyObject *v)
{
PyObject *newconst=NULL/*, *v*/;
PyObject *newconst;
Py_ssize_t len_consts;
int opcode;
@ -250,9 +250,7 @@ fold_unaryops_on_constants(unsigned char *codestr, PyObject *consts, PyObject *v
opcode = codestr[3];
switch (opcode) {
case UNARY_NEGATIVE:
/* Preserve the sign of -0.0 */
if (PyObject_IsTrue(v) == 1)
newconst = PyNumber_Negative(v);
newconst = PyNumber_Negative(v);
break;
case UNARY_INVERT:
newconst = PyNumber_Invert(v);