commit 7c9e80328458de501a544b5c24342d969bcbe76d
author Mark Dickinson <mdickinson@enthought.com> Wed Mar 23 17:59:37 2011 +0000
committer Mark Dickinson <mdickinson@enthought.com> Wed Mar 23 17:59:37 2011 +0000
tree e2dc7e2c637c6b7584b8d1b9bfa84906905096ac
parent ba7b560c1d3aca8dac21e824c7d4a11e7f584e76

Issue #11244: Remove outdated peepholer check that was preventing the peepholer from folding -0 and -0.0.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

Python/peephole.c

diff --git a/Python/peephole.c b/Python/peephole.c
index 4bc65dc..69f6161 100644
--- a/Python/peephole.c
+++ b/Python/peephole.c
@@ -238,7 +238,7 @@
 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 @@
     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);