tree 9f9a7b567735efff9ea61825e4fb875e47c89c8b
parent 80121491e083a3e80d482f73d201590083285d57
author Raymond Hettinger <python@rcn.com> 1108903614 +0000
committer Raymond Hettinger <python@rcn.com> 1108903614 +0000
HG:extra convert_revision:svn%3A6015fed2-1504-0410-9fe1-9d1591cc4771/python/branches/legacy-trunk%4038505

Teach the peepholer to fold unary operations on constants.

Afterwards, -0.5 loads in a single step and no longer requires a runtime
UNARY_NEGATIVE operation.