Diff of /sml/trunk/HISTORY

Parent Directory | Revision Log | Patch

	revision 640, Tue May 9 02:33:09 2000 UTC	revision 641, Thu May 11 01:16:45 2000 UTC
#	Line 13	Line 13
13	Description:	Description:
14	----------------------------------------------------------------------	----------------------------------------------------------------------
15	Name: Allen Leung	Name: Allen Leung
16		Date: 2000/05/10 21:17 EDT
17		Tag: leunga-20000510-moby-c--ssa
18		Description:
19
20		Various bug fixes and new features for C--, Moby and MLRISC optimizations.
21		None of these affect SML/NJ.
22
23		1. Register Allocation
24
25		a. A new ra spilling module (ra/ra-spill-with-renaming) is implemented.
26		This module tries to remove local (i.e. basic block level) redundancies
27		during spilling.
28
29		b. A new framework for performing region based register allocation.
30		Not yet entirely functional.
31
32		2. X86
33
34		a. DefUse for POP was missing the stack pointer [found by Lal]
35		b. Reload for CALL was incorrect in X86Spill [found by John]
36		c. Various fixes in X86Spill so that it can be used correctly for
37		the new spilling module.
38
39		3. SSA/IR
40
41		a. New module ir/dj-dataflow.sml implements elimination based
42		data flow analysis.
43
44		4. MLRiscGen
45
46		a. Fix for gc type annotation
47
48		5. MDGen
49
50		Various fixes for machine description -> ml code translation.  For ssa
51		only.
52
53		----------------------------------------------------------------------
54		Name: Allen Leung
55	Date: 2000/05/08 22:17 EDT	Date: 2000/05/08 22:17 EDT
56	Tag: leunga-20000508-labexp	Tag: leunga-20000508-labexp
57	Description:	Description:

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