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Diff of /sml/trunk/HISTORY

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revision 593, Tue Apr 4 07:26:33 2000 UTC revision 635, Tue May 2 15:09:12 2000 UTC
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12  Tag: <post-commit CVS tag>  Tag: <post-commit CVS tag>
13  Description:  Description:
14  ----------------------------------------------------------------------  ----------------------------------------------------------------------
15    Name: Dave MacQueen
16    Date: 2000/04/09 14:00 EDT
17    Tag: dbm-20000502-Version_110_28
18    Description:
19    
20    1. Updated src/compiler/TopLevel/main/version.sml to version 110.28
21    
22    2. Updated config/version to 110.28
23    
24    3. Updated config/srcarchiveurl
25    
26    3. New boot files!
27       ftp://ftp.research.bell-labs.com/dist/smlnj/working/110.28/
28    
29    ----------------------------------------------------------------------
30    Name: Matthias Blume
31    Date: 2000/05/01 19:05:00 JST
32    Tag: blume-20000501-noweb
33    Description:
34    
35    A new noweb tool has been added.  The existing system is entirely
36    unaffected by this, but some CM users have asked for renewed noweb
37    support.  Everything is documented in the CM manual.
38    
39    New (plugin) libraries:
40    
41       noweb-tool.cm
42       nw-ext.cm
43    
44    ----------------------------------------------------------------------
45    Name: Dave MacQueen
46    Date: 2000/04/30 12:40PM EDT
47    Tag: dbm-20000430-bug_fixes
48    Description:
49    
50    1. Fix for bug 1498
51       smlnj/src/system/Basis/Implementation/Unsafe/object.sig
52       smlnj/src/system/Basis/Implementation/Unsafe/object.sml
53         added toRealArray function
54       smlnj/src/compiler/MiscUtil/print/ppobj.sml
55         added check for tag Obj.RealArray to array printing case in ppObj
56    
57    2. Fix for bug 1510
58       smlnj/src/compiler/Semant/types/typesutil.sml
59         fixed definition of dummyargs (used by equalTycon) so that
60         dummy args are distinct types
61    
62    ----------------------------------------------------------------------
63    Name: Matthias Blume
64    Date: 2000/04/30 01:00:00 JST
65    Tag: blume-20000430-versions
66    Description:
67    
68    1. CM version numbering added.  This is an implementation of Lal's
69       proposal for adding version numbers and version checking to .cm
70       files.  Lal said that his proposal was just that -- a proposal.
71       For the time being I went ahead and implemented it so that people
72       can comment on it.  Everything is completely backward-compatible
73       (except for the stable library format, i.e., new bootfiles!).
74    
75       As usual, see the CM manual for details.
76    
77    2. An alternative syntax for anchored paths has been implemented.
78       Dave has recently voiced the same concerns that I had when I did
79       this, so there should be some support.  My take is that eventually
80       I will let support for the current syntax (where anchors are
81       "implicit") fade out in favor of the new, explicit syntax.
82       In order to be backward-compatible, both old and new syntax are
83       currently supported.
84    
85       Again, see the CM manual for details.
86    
87    3. Parallel make is trying to be slightly smarter:  When the master
88       process finds a "bottleneck", i.e., when there is only one
89       compilation unit that can be compiled and everybody else is
90       waiting on it, then it will simply compile it directly instead
91       of clumsily telling one of the slaves to do it.
92    
93    4. Support for "unsharing" added.  This is necessary in order to be
94       able to have two different versions of the same library running
95       at the same time (e.g., for trying out a new MLRISC while still
96       having the old MLRISC linked into the current compiler, etc.)
97       See the CM manual.
98    
99    5. Simple "makedepend" functionality added for generating Makefile
100       dependency information.  (This is rather crude at the moment.
101       Expect some changes here in the future.)
102    
103    6. ".fun" added as a recognized suffix for ML files. Also documented
104       explicitly in the manual that the fallback behavior (unknown suffix
105       -> ML file) is not an official feature!
106    
107    7. Small changes to the pickler for stable libraries.
108    
109    8. Several internal changes to CM (for cleanup/improvement).
110    
111    
112    !!!! NEW BINFILES !!!!
113    
114    ----------------------------------------------------------------------
115    Name: Matthias Blume
116    Date: 2000/04/28 17:30:00 JST
117    Tag: blume-20000428-pathconfig
118    Description:
119    
120    1. I changed config/install.sh to remove duplicate entries from the
121       lib/pathconfig file at the end.  Moreover, the final version of
122       lib/pathconfig is sorted alphabetically.  The same (sorting) is done
123       in src/system/installml.
124    
125    2. The config/install.sh script now consistently uses relative
126       pathnames in lib/pathconfig whenever the anchor is in the lib
127       directory.  (So far this was true for the libraries that come
128       pre-compiled and bundled as part of the bootfiles but not for
129       libraries that are compiled by the script itself.)
130    
131    ----------------------------------------------------------------------
132    Name: Matthias Blume
133    Date: 2000/04/26 13:10:00 JST
134    Tag: blume-20000426-fun_suffix
135    Description:
136    
137    Added ".fun" as a recognized file name suffix (for ML code).
138    
139    ----------------------------------------------------------------------
140    Name: Allen Leung
141    Date: 2000/04/25 17:00:00 EST
142    Tag: leunga-20000425-alpha-ra
143    Description:
144    
145    1. Alpha
146    
147        PSEUDOARITH was missing in AlphaRewrite.  This causes an endless loop
148    in C--.
149    
150    2. RA
151    
152       Added a flag "ra-dump-size" to print out the size of the flowgraph
153       and the interference graph.
154    
155    ----------------------------------------------------------------------
156    Name: Dave MacQueen
157    Date: 2000/04/25/
158    Tag: dbm-20000425-mlyacc_doc_examples
159    Description:
160      Updated mlyacc.tex sections 5 and 7 for SML '97 and CM.
161      Updated all three examples in src/ml-yacc/examples to run
162      under 110.* using CM.make.
163    
164    ----------------------------------------------------------------------
165    Name: Allen Leung
166    Date: 2000/04/20 23:04:00 EST
167    Tag: leunga-20000420-ssa-c---stuff
168    Description:
169    
170      This update synchronizes my repository with Yale's.  Most of these
171    changes, however, do not affect SML/NJ at all (the RA is an exception).
172    
173    1. Register Allocator
174    
175       a. An improvement in the interference graph construction:
176          Given a copy
177    
178                s <- t
179    
180          no interference edge between s and t is added for this definition of s.
181    
182       b. I've added two new spill heuristic modules that Fermin and I developed
183          (in the new library RA.cm). These are unused in SML/NJ but maybe
184          useful for others (Moby?)
185    
186    2. X86
187    
188       a. Various fixes in the backend provided by Fermin [C--] and Lal.
189    
190    3. Alpha
191    
192       a. Added the BSR instruction and code generation that goes with it [C--]
193       b. Other fixes too numerous to recount provided by Fermin [C--]
194    
195    4. Regmaps
196    
197       a. The regmaps are not initialized with the identity physical bindings
198          at creation time.  This is unneeded.
199    
200    5. MLRISC Optimizations
201    
202       a. The DJ-Graph module can now compute the iterated dominance frontiers
203          intersects with liveness incrementally in linear time! Woohoo!
204          This is now used in my new SSA construction algorithm.
205    
206       b. THe branch reorganization module is now smarter about linear chains of
207          basic blocks.
208    
209    
210    ----------------------------------------------------------------------
211    Name: Matthias Blume
212    Date: 2000/04/12 13:52:00 JST
213    Tag: blume_main_v110p27_1
214    Description:
215    
216    Changed install.sh script to handle archive files without version number
217    and to use "boot.<arch>-<os>" instead of "sml.boot.<arch>-<os>" for the
218    name of the boot file archive.
219    
220    ----------------------------------------------------------------------
221    Name: Dave MacQueen
222    Date: 2000/04/09 14:00 EDT
223    Tag: dbm-20000410-Version_110_27
224    Description:
225    
226    1. Updated src/compiler/TopLevel/main/version.sml to version 110.27
227    
228    2. Updated src/config/version to 110.27
229    
230    3. New boot files!
231    
232    ----------------------------------------------------------------------
233    Name: Allen Leung
234    Date: 2000/04/09 19:09:00 EST
235    Tag: leunga-20000409-misc
236    Description:
237    
238    1.  Yet another fix for x86 assembly for idivl, imull, mull and friends.
239    
240    2.  Miscellaneous improvements to MLRISC (unused in sml/nj)
241    
242    ----------------------------------------------------------------------
243    Name: Stefan
244    Date: 2000/04/07 10:00:00 EDT
245    Tag: monnier-20000406-branch-handling
246    Description:
247    
248    Improved handling of branches (mostly those generated from
249    polymorphic equality), removed switchoff and changed the
250    default optimization settings (more cpsopt and less flintopt).
251    
252    ----------------------------------------------------------------------
253    Name: Allen Leung
254    Date: 2000/04/06 01:30:00 EST
255    Tag: leunga-20000406-peephole-x86-SSA-2
256    Description:
257    
258       Forgot a few files.
259    
260    ----------------------------------------------------------------------
261    Name: Allen Leung
262    Date: 2000/04/06 00:36:00 EST
263    Tag: leunga-20000406-peephole-x86-SSA
264    Description:
265    
266    1.  New Peephole code
267    
268    2.  Minor improvement to X86 instruction selection
269    
270    3.  Various fixes to SSA and machine description -> code translator
271    
272    ----------------------------------------------------------------------
273    Name: Matthias Blume
274    Date: 2000/04/05 12:30:00 JST
275    Tag: blume_main_v110p26p2_3
276    Description:
277    
278    This update just merges three minor cosmetic updates to CM's sources
279    to get ready for the 110.27 code freeze on Friday.  No functionality
280    has changed.
281    
282    ----------------------------------------------------------------------
283    Name: Allen Leung
284    Date: 2000/04/04 19:39:00 EST
285    Tag: leunga-20000404-x86-asm
286    Description:
287    
288    1.  Fixed a problem in X86 assembly.
289    
290        Things like
291    
292           jmp %eax
293           jmp (%eax)
294    
295        should be output as
296    
297           jmp *%eax
298           jmp *(%eax)
299    
300    2.  Assembly output
301    
302          Added a new flag
303    
304              "asm-indent-copies" (default to false)
305    
306          When this flag is on, parallel copies will be indented an extra level.
307    
308    ----------------------------------------------------------------------
309  Name: Allen Leung  Name: Allen Leung
310  Date: 2000/04/04 03:18:00 EST  Date: 2000/04/04 03:18:00 EST
311  Tag: leunga-20000404-C--Moby  Tag: leunga-20000404-C--Moby

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