560 Commits

Author	SHA1	Message	Date
Chris Lattner	15b5c7ca84	remove some unused stuff ... llvm-svn: 22866	2005-08-18 18:34:00 +00:00
Nate Begeman	d32638706a	Improve ISD::Constant codegen. ... Now for int foo() { return -1; } we generate: _foo: li r3, -1 blr instead of _foo: lis r2, -1 ori r3, r2, 65535 blr llvm-svn: 22864	2005-08-18 18:01:39 +00:00
Nate Begeman	b3821a3943	Add support for ISD::AND, and its various optimized forms. ... llvm-svn: 22857	2005-08-18 07:30:46 +00:00
Nate Begeman	cfb9a74c2e	Maintain consistency in negating things ... llvm-svn: 22855	2005-08-18 05:44:50 +00:00
Nate Begeman	72d6f8800d	Implement XOR, remove a broken sign_extend_inreg case ... llvm-svn: 22854	2005-08-18 05:00:13 +00:00
Nate Begeman	4bfb4a215d	Add a bunch more simple nodes. ... llvm-svn: 22851	2005-08-18 03:04:18 +00:00
Nate Begeman	457367f14c	Add a couple more nodes that are easy to handle ... llvm-svn: 22850	2005-08-18 00:53:47 +00:00
Nate Begeman	74d5529b88	Be fruitful and multiply! ... llvm-svn: 22849	2005-08-18 00:21:41 +00:00
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