3cec74867d
Improving write barrier elimination; change to compiler.cfg.utilities to support this
2009-08-14 19:41:41 -05:00
8197d9356b
Write barriers are hoisted out of loops when their target is slot-available
2009-08-13 20:26:44 -05:00
5a3e350490
Global write barrier elimination tracks newly allocated objects
2009-08-13 15:18:47 -05:00
d35e1eb76c
Fixing write-barrier elimination; adding bb as a parameter to join-sets in dataflow analysis
2009-08-12 23:52:29 -05:00
1a7ab59f56
Making write barrier elimination global
2009-08-11 21:21:21 -05:00
4b7ba38aab
compiler.cfg: virtual registers are integers now, and representations are stored off to the side. Fix bug in representation selection that would manifest if a value was used as a float and a fixnum in different branches; cannot globally unbox float in this case
2009-08-08 04:02:18 -05:00
13c3fdcb5c
compiler.cfg: Fixing test failures
2009-07-24 06:08:07 -05:00
de73534424
compiler.cfg.write-barrier: simplify a little bit. It doesn't need to do copy propagation, since its a separate pass now
2009-07-24 05:29:28 -05:00
21a012e3d7
compiler.cfg: Major restructuring -- do not compute liveness before local optimization, and instead change local optimizations to be more permissive of undefined values. Now, liveness is only computed once, after phi elimination and before register allocation. This means liveness analysis does not need to take phi nodes into account and can now use the new compiler.cfg.dataflow-analysis framework
2009-07-22 03:08:28 -05:00
692b479302
Split off local-optimization combinator into compiler.cfg.local, factor out CFG -> MR into compiler.cfg.mr, split off GC check insertion into a new compiler.cfg.gc-checks pass
2009-05-31 12:20:46 -05:00
e04df76f60
Various codegen improvements:
...
- new-insn word to construct instructions
- cache RPO in the CFG
- re-organize low-level optimizer so that MR is built after register allocation
- register allocation now stores instruction numbers in the instructions themselves
- split defs-vregs into defs-vregs and temp-vregs
2009-05-29 13:11:34 -05:00
117cb78d6b
Fixing local optimizations
2009-05-27 18:58:41 -05:00
ce25e0ad8d
New local-optimization combinator removes some boilerplate
2009-05-26 19:56:56 -05:00
1db81da264
Refactoring low-level optimizer to support stack analysis pass
2009-05-26 19:31:19 -05:00
6b25e99470
Add summary for heaps more vocabs
2009-02-16 21:05:13 -06:00
4f0a9f311e
Untangling some dependencies
2008-12-08 14:58:00 -06:00
492a15e345
Move insn class to compiler.cfg.instructions
2008-10-24 09:17:06 -05:00
6d812aaa52
Write barrier elimination
2008-10-22 18:41:10 -05:00
Daniel Ehrenberg
Slava Pestov
Slava Pestov