2 Commits (cd1bb8f4c8afba318249c7b756a45aa1c46ea51e)

Author	SHA1	Message	Date
Slava Pestov	7e35723db0	compiler.tree.propagation: be more careful with intervals, ensuring that the inferred interval of a value is a subset of the value class's interval. This improves accuracy, for example [ >fixnum 1 + >fixnum most-positive-fixnum <= ] constant-folds to true	2009-08-10 01:16:49 -05:00
Slava Pestov	f2a5a30c6f	New front-end and high-level optimizer lands	2008-08-12 03:22:45 -05:00