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Diff of /sml/trunk/HISTORY

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revision 1184, Fri Mar 29 22:22:22 2002 UTC revision 1291, Sat Dec 7 03:41:00 2002 UTC
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14    
15  ----------------------------------------------------------------------  ----------------------------------------------------------------------
16  Name: Matthias Blume  Name: Matthias Blume
17    Date: 2002/12/06 22:40:00 EST
18    Tag: blume-20021206-cm-fileid
19    Description:
20    
21    Added a call of SrcPath.sync at the beginning of Parse.parse (in CM).
22    This fixes the problem of CM getting confused by files that suddenly
23    change their identity (e.g., by getting unlinked and recreated by some
24    text editor such as vi).  There might be a better/cheaper/cleaner way
25    of doing this, but for now this will have to do.
26    
27    ----------------------------------------------------------------------
28    Name: Matthias Blume
29    Date: 2002/10/28 09:50:00 EST
30    Tag: blume-20021028-typecheck
31    Description:
32    
33    Exported structure Typecheck from $smlnj/viscomp/core.cm.
34    
35    ----------------------------------------------------------------------
36    Name: Matthias Blume
37    Date: 2002/10/17 09:10:00 EDT
38    Tag: Release_110_42
39    Description:
40    
41    In good old tradition, there has been a slight hiccup so that we have
42    to patch 110.42 after the fact.   The old release tag has been replaced
43    (see below).
44    
45    The change solves a problem with two competing approaches the
46    configuration problem regarding MacOS 10.1 vs. MacOS 10.2 which got in
47    each other's way.
48    
49    This change only affects the runtime system code and the installer script.
50    (No new bootfiles.)
51    
52    ----------------------------------------------------------------------
53    Name: Matthias Blume
54    Date: 2002/10/16 12:00:00 EDT
55    Tag: Release_110_42_removed
56    Description:
57    
58    New working release.  New bootfiles.
59    
60    ----------------------------------------------------------------------
61    Name: Matthias Blume
62    Date: 2002/10/10 13:10:00 EDT
63    Tag: blume-20021010-ppc-divs
64    Description:
65    
66    The mltree operator DIVS must be implemented with an overflow check on
67    the PPC because the hardware indicates divide-by-zero using "overflow" as
68    well.
69    
70    ----------------------------------------------------------------------
71    Name: Matthias Blume
72    Date: 2002/07/23 11:45:00
73    Tag: blume-20020723-smlnj-home
74    Description:
75    
76    Sml now senses the SMLNJ_HOME environment variable.  If this is set,
77    then the bin dir is assumed to be in $SMLNJ_HOME/bin and (unless
78    CM_PATHCONFIG is also set), the path configuration file is assumed
79    to be in $SMLNJ_HOME/lib/pathconfig.  This way one can easily move
80    the entire tree to some other place and everything will "just work".
81    
82    (Companion commands such as ml-build and ml-makedepend also sense this
83    variable.)
84    
85    ----------------------------------------------------------------------
86    Name: Matthias Blume
87    Date: 2002/07/12 21:19:00 EDT
88    Tag: blume-20020712-liveness
89    Description:
90    
91    Exported two useful "step" functions from liveness module (MLRISC).
92    
93    ----------------------------------------------------------------------
94    Name: Matthias Blume
95    Date: 2002/07/05 16:00 EDT
96    Tag: Release_110_41
97    Description:
98    
99    New working release.  New bootfiles.
100    
101    ----------------------------------------------------------------------
102    Name: Matthias Blume
103    Date: 2002/07/05 10:25:00 EDT
104    Tag: blume-20020705-btimp
105    Description:
106    
107    Exported structure BTImp from $smlnj/viscomp/debugprof.cm so that
108    other clients can set up backtracing support.
109    
110    ----------------------------------------------------------------------
111    Name: Matthias Blume
112    Date: 2002/06/25 17:23:00 EDT
113    Tag: blume-20020625-fpmax
114    Description:
115    
116    Fixed a bug in translation of INLMAX (and INLMIN) for the floating-point
117    case.  (The sense of the isNaN test was reversed -- which made min and
118    max always return their first argument.)
119    
120    ----------------------------------------------------------------------
121    Name: Matthias Blume
122    Date: 2002/06/11
123    Tag: blume-20020611-unixpath
124    Description:
125    
126    Back-ported OS.Path.{from,to}UnixPath from idlbasis-devel branch.
127    
128    ----------------------------------------------------------------------
129    Name: Matthias Blume
130    Date: 2002/06/10 16:35:00 EDT
131    Tag: blume-20020610-ieeereal
132    Description:
133    
134    I back-ported my implementation of IEEEReal.fromString from the
135    idlbasis-devel branch so that we can test it.
136    
137    Another small change is that ppDec tries to give more information
138    than just "<sig>" in the case of functors.  However, this code is
139    broken in some mysterious way if the functor's body's signature
140    has not been declared by ascription but gets inferred from the
141    implementation.  This needs fixing...
142    
143    ----------------------------------------------------------------------
144    Name: Matthias Blume
145    Date: 2002/05/31
146    Tag: blume-20020531-btrace-mode
147    Description:
148    
149    Resurrected SMLofNJ.Internals.BTrace.mode.  (It accidentally fell by
150    the wayside when I switched over to using Controls everywhere.)
151    
152    ----------------------------------------------------------------------
153    Name: Lal George
154    Date: 2002/05/23 12:21:40 EDT
155    Tag: george-20020523-visual-labels
156    Description:
157    
158    Labels are now displayed in the graphical output to make
159    the fall-through and target blocks obvious.
160    
161    ----------------------------------------------------------------------
162    Name: Matthias Blume
163    Date: 2002/05/22 11:03:00 EDT
164    Tag: blume-20020522-shrink
165    Description:
166    
167    John tweaked yesterday's fix for 1131 to handle an out-of-memory
168    situation that comes up when allocating huge arrays.
169    
170    ----------------------------------------------------------------------
171    Name: Matthias Blume
172    Date: 2002/05/21 16:00:00 EDT
173    Tag: Release_110_40
174    Description:
175    
176    New working release (110.40).  New bootfiles.
177    
178    [Also: John Reppy fixed GC bug 1131.]
179    
180    ----------------------------------------------------------------------
181    Name: Matthias Blume
182    Date: 2002/05/21 12:35:00 EDT
183    Tag: blume-20020521-cmdoc
184    Description:
185    
186    CM documentation update.
187    
188    ----------------------------------------------------------------------
189    Name: Matthias Blume
190    Date: 2002/05/21 10:55:00 EDT
191    Tag: blume-20020521-misc
192    Description:
193    
194    - John tweaked runtime to be silent on heap export (except when
195      GC messages are on).
196    - I added a few more things (cross-compiling versions of CMB) to
197      config/preloads (as suggestions).
198    
199    ----------------------------------------------------------------------
200    Name: Matthias Blume
201    Date: 2002/05/20 22:25:00 EDT
202    Tag: blume-20020520-controls
203    Description:
204    
205    - Added ControlUtil structure to control-lib.cm.
206    - Use it throughout.
207    - Used Controls facility to define MLRISC controls (as opposed to
208      registering MLRISC control ref cells with Controls after the fact)
209    - Fixed messed-up controls priorities.
210    
211    * Removed again all the stuff from config/preloads that one wouldn't
212      be able to preload at the time the initial heap image is built.
213      (Many libraries, e.g., CML, do not exist yet at this time.  The
214       only libraries that can be preloaded via config/preloads are those
215       that come bundled with the bootfiles.)
216    
217    ----------------------------------------------------------------------
218    Name: Matthias Blume
219    Date: 2002/05/20 10:59:00 EDT
220    Tag: blume-20020520-preloads
221    Description:
222    
223    Added a lot of commented-out suggestions for things to be included
224    in config/preloads.
225    
226    ----------------------------------------------------------------------
227    Name: Allen Leung
228    Date: 2002/05/18 14:20:00 EDT
229    Tag: leunga-20020518-mdl
230    Description:
231    
232    o Made the mdl tool stuff compile and run again.
233    o I've disabled all the stuff that depends on RTL specifications; they
234      are all badly broken anyway.
235    
236    ----------------------------------------------------------------------
237    Name: Matthias Blume
238    Date: 2002/05/17 16:49:00 EDT
239    Tag: blume-20020517-controls
240    Description:
241    
242    0. John Reppy made several modifications to the SML/NJ library.
243       In particular, there is a shiny new controls-lib.cm.
244    
245    1. Pushed new controls interface through compiler so that everything
246       compiles again.
247    
248    2. Added FormatComb and FORMAT_COMB to the CML version of the
249       SML/NJ library (so that CML compiles again).
250    
251    3. Modified init scripts because XXX_DEFAULT environment variables
252       are no longer with us.  (Boot-time initialization is now done
253       using the same environment variables that are also used for
254       startup-time initialization of controls.)
255    
256    ----------------------------------------------------------------------
257    Name: Lal George
258    Date: 2002/05/15 09:20:10 EDT
259    Tag: george-20020515-pseudo-op-decls
260    Description:
261    
262            All pseudo-ops emitted before the first segment declaration
263    such as TEXT, DATA, and BSS directives are assumed to be global
264    declarations and are emitted first in the assembly file. This is
265    useful in a number of situations where one has pseudo-ops that are not
266    specific to any segment, and also works around the constraint that one
267    cannot have client pseudo-ops in the TEXT segment.
268    
269            Because no segment is associated with these declarations it is
270    an error to allocate any space or objects before the first segment
271    directive and an exception will be raised. However, we cannot make
272    this check for client pseudo-ops.
273    
274            These top level declarations are a field in the CFG graph_info.
275    In theory you can continue to add to this field after the CFG has been
276    built -- provided you know what you are doing;-)
277    
278    ----------------------------------------------------------------------
279    Name: Matthias Blume
280    Date: 2002/05/13 16:40:00 EDT
281    Tag: blume-20020513-pp-etc
282    Description:
283    
284    A few minor bugfixes:
285    
286      - Stopgap measure for bug recently reported by Elsa Gunter (ppDec).
287        (Bogus printouts for redefined bindings still occur.  Compiler
288        bug should no longer occur now.  We need to redo the prettyprinter
289        from scratch.)
290    
291      - CM pathname printer now also adds escape sequences for ( and )
292    
293      - commend and docu fixes for ml-nlffi
294    
295    ----------------------------------------------------------------------
296    Name: Matthias Blume
297    Date: 2002/05/10 16:40:00 EDT
298    Tag: blume-20020510-erg-textio
299    Description:
300    
301    Applied the following bugfix provided by Emden Gansner:
302    
303        Output is corrupted when outputSubstr is used rather than output.
304    
305        The problem occurs when a substring
306    
307            ss = (s, dataStart, dataLen)
308    
309        where dataStart > 0, fills a stream buffer with avail bytes left.
310        avail bytes of s, starting at index dataStart, are copied into the
311        buffer, the buffer is flushed, and then the remaining dataLen-avail
312        bytes of ss are copied into the beginning of the buffer. Instead of
313        starting this copy at index dataStart+avail in s, the current code
314        starts the copy at index avail.
315    
316        Fix:
317        In text-io-fn.sml, change line 695 from
318             val needsFlush = copyVec(v, avail, dataLen-avail, buf, 0)
319        to
320             val needsFlush = copyVec(v, dataStart+avail, dataLen-avail, buf, 0)
321    
322    ----------------------------------------------------------------------
323    Name: Matthias Blume
324    Date: 2002/04/12 13:55:00 EDT
325    Tag: blume-20020412-assyntax
326    Description:
327    
328    1. Grabbed newer assyntax.h from the XFree86 project.
329    2. Fiddled with how to compile X86.prim.asm without warnings.
330    3. (Very) Minor cleanup in CM.
331    
332    ----------------------------------------------------------------------
333    Name: Matthias Blume
334    Date: 2002/04/01 (no joke!) 17:07:00 EST
335    Tag: blume-20020401-x86div
336    Description:
337    
338    Added full support for div/mod/rem/quot on the x86, using the machine
339    instruction's two results (without clumsily recomputing the remainder)
340    directly where appropriate.
341    
342    Some more extensive power-of-two support was added to the x86 instruction
343    selector (avoiding expensive divs, mods, and muls where they can be
344    replaced with cheaper shifts and masks).  However, this sort of thing
345    ought to be done earlier, e.g., within the CPS optimizer so that
346    all architectures benefit from it.
347    
348    The compiler compiles to a fixed point, but changes might be somewhat
349    fragile nevertheless.  Please, report any strange things that you might
350    see wrt. div/mod/quot/rem...
351    
352    ----------------------------------------------------------------------
353    Name: Matthias Blume
354  Date: 2002/03/29 17:22:00  Date: 2002/03/29 17:22:00
355  Tag: blume-20020329-div  Tag: blume-20020329-div
356  Description:  Description:

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