302 Commits

Author	SHA1	Message	Date
Nate Begeman	3fcf47d8f0	Teach the DAG->DAG ISel about FNEG, and how it can be used to invert ... several of the PowerPC opcodes that come in both negated and non-negated forms. llvm-svn: 22845	2005-08-17 23:46:35 +00:00
Chris Lattner	43ff01e2e6	initial hack at a dag->dag instruction selector. This is obviously woefully ... incomplete, but it is a start. It handles basic argument/retval stuff, immediates, add and sub. llvm-svn: 22836	2005-08-17 19:33:03 +00:00