12 Commits (3dd30d2f49512bd61aa1081d6e2bf064d6e92466)

Author	SHA1	Message	Date
Slava Pestov	5a3c5c7749	compiler.cfg.branch-splitting was totally broken	2011-02-27 16:43:26 -08:00
Slava Pestov	a55c8ee671	FFI rewrite part 6: deconcatenatize	2010-07-02 15:44:12 -04:00
Slava Pestov	c211c3e84e	FFI rewrite part 1: split up ##alien-invoke and friends into smaller instructions	2010-05-09 21:36:52 -04:00
Slava Pestov	d0c393aa60	compiler.cfg: new system to track when results of analyses need to be recomputed (reverse post order, linear order, predecessors, dominance, loops). Passes can now call needs-predecessors, needs-dominance, needs-loops at the beginning, and cfg-changed, predecessors-changd at the end. Linearization order now takes loop nesting into account, and linear scan now uses linearization order instead of RPO.	2009-08-08 20:02:56 -05:00
Slava Pestov	74766d1ccd	compiler.cfg.linear-scan.assignment: modifies instructions in place instead of storing a registers assoc for further compile-time performance improvement	2009-07-29 06:36:14 -05:00
Slava Pestov	d394dd3c36	compiler.cfg.branch-splitting: re-enable with a better heuristic	2009-07-28 08:48:05 -05:00
Slava Pestov	93c58a8bb5	compiler.cfg.branch-splitting: now that we do SSA construction we can split branches with fixnum overflow ops (which have a live-out)	2009-07-23 18:02:29 -05:00
Slava Pestov	e76dce8aff	Overflowing fixnum intrinsics now expand into several CFG nodes. This speeds up the common case since only the uncommon case is now a stack syncpoint	2009-07-16 18:29:40 -05:00
Slava Pestov	4ac74e9304	compiler.cfg.branch-splitting: don't split if there's one predecessor	2009-07-14 20:42:50 -05:00
Slava Pestov	d7aeae45be	compiler.cfg.branch-splitting: split blocks with successors	2009-07-13 10:44:08 -05:00
Slava Pestov	f412bbc6d6	Change branch splitting around a bit, rename useless-blocks to useless-conditionals and rewrite it	2009-06-30 22:11:15 -05:00
Doug Coleman	ea072731d4	add branch splitting pass to compiler.cfg	2009-06-30 15:31:48 -05:00