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[smlnj] Annotation of /sml/branches/primop-branch-3/NOTES/HISTORY
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Annotation of /sml/branches/primop-branch-3/NOTES/HISTORY

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1 : dbm 570 This is the HISTORY file for the Yale SML/NJ CVS repository.
2 :    
3 :     An entry should be made for _every_ commit to the repository.
4 :     The entries in this file will be used when creating the README
5 :     for new versions, so keep that in mind when writing the
6 :     description.
7 :    
8 :     The form of an entry should be:
9 :    
10 : mblume 1615 Name:
11 : mblume 1480 Date: yyyy/mm/dd
12 :     Tag: <post-commit CVS tag>
13 :     Description:
14 :    
15 :     ----------------------------------------------------------------------
16 : mblume 1923 Name: Matthias Blume (http://www.tti-c.org/blume/)
17 :     Date: 2006/04/20 10:30:00 CDT
18 :     Tag: blume-20060420-heap2exec
19 :     Description:
20 :    
21 :     Committed patches received from Johannes 5 Joemann (joemann@befree.free.de)
22 :     that enable heap2exec under Linux and FreeBSD.
23 :    
24 :     ----------------------------------------------------------------------
25 : jhr 1921 Name: John Reppy
26 :     Date: 2006/04/14
27 :     Tag:
28 :     Description:
29 :    
30 :     MLRISC changes:
31 :     1) renamed GAS_PSEUDO_OPS to AS_PSEUDO_OPS and put it in its own file.
32 :     2) added support for NOTB and XORB operators in pseudo-op expressions
33 :     3) added DarwinPseudoOp functor that supports Darwin's assembler syntax.
34 :     4) added support for 64-bit integer literals
35 :    
36 :     ----------------------------------------------------------------------
37 : jhr 1922 Name: Matthias Blume (http://www.tti-c.org/blume/)
38 : mblume 1907 Date: yyyy/mm/dd
39 :     Tag: Release_110_58
40 :     Description:
41 :    
42 :     New working version (110.58). NEW BOOTFILES!
43 :    
44 :     ----------------------------------------------------------------------
45 : mblume 1896 Name: Matthias Blume (http://www.tti-c.org/blume/)
46 : mblume 1905 Date: 2006/03/01 22:15:00 CST
47 :     Tag: blume-20060301-lexgen
48 :     Description:
49 :    
50 :     Incorporated several bugfixes to lexgen. Compiler now compiles to
51 :     fixpoint when using lexgen instead of ml-lex.
52 :    
53 :     ----------------------------------------------------------------------
54 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
55 : mblume 1902 Date: 2006/02/28 22:45:00 CST
56 :     Tag: blume-20060228-lexgen
57 :     Description:
58 :    
59 :     Removed ml-flex and added lexgen instead, using Aaron Turon's newly
60 :     provided tarball. The generated lexers still have problems.
61 :    
62 :     ----------------------------------------------------------------------
63 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
64 : mblume 1898 Date: 2006/02/26 23:30:00 CST
65 :     Tag: blume-20060226-ml-flex
66 :     Description:
67 :    
68 :     Removed ml-flex' dependency on regexp-lib.cm. Turned installation
69 :     of ml-flex on by default.
70 :    
71 :     ----------------------------------------------------------------------
72 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
73 : mblume 1896 Date: 2006/02/24 16:30:00 CST
74 :     Tag: blume-20060224-ml-flex
75 :     Description:
76 :    
77 :     Added ml-flex sources. Partially integrated, but should not be
78 :     turned on yet! (Read: leave it commented-out in config/targets!)
79 :    
80 :     ----------------------------------------------------------------------
81 : jhr 1893 Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
82 :     Date: 2006/02/23
83 :     Tag: jhr-20060223-x86-64
84 :     Description:
85 :     Changes to support building on x86-64 systems (using the 32-bit mode).
86 :     Also cleaned up signal handling on Linux. Support for pre-2.2 Linux
87 :     kernels dropped.
88 :    
89 :     ----------------------------------------------------------------------
90 : allenleung 1890 Name: Allen Leung (leunga (at) reservoir (dot) com)
91 :     Date: 2006/02/22 15:07:00 EST
92 :     Tag: leunga-20060222-mdl-gen
93 :     Description:
94 :    
95 :     CM has changed. Updated the script for rebuilding the MLRISC generated
96 :     files.
97 :    
98 :     ----------------------------------------------------------------------
99 : mblume 1886 Name: Matthias Blume (http://www.tti-c.org/blume/)
100 :     Date: 2006/02/14 17:30:00 CST
101 :     Tag: blume-20060214-intel-mac
102 :     Description:
103 :    
104 :     Hooked code for Darwin-specific Intel ABI into main compiler.
105 :     (This is a temporary solution which relies on the fact that the
106 :     compiler itself does not use NLFFI. Eventually we need to divorce
107 :     intel mac from generic x86 unix code and make separate sets of binaries.)
108 :    
109 :     ----------------------------------------------------------------------
110 : jhr 1882 Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
111 : jhr 1885 Date: 2006/02/13
112 :     Tag: jhr-20060213-intel-mac
113 :     Description:
114 :     Changed MLRISC x86 CCalls for partial support of MacOS X ABI.
115 :    
116 :     ----------------------------------------------------------------------
117 :     Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
118 : jhr 1882 Date: 2006/02/06
119 :     Tag: jhr-20060206-intel-mac
120 :     Description:
121 :     Changes to support MacOS X on Intel hardware. The C-calls support in
122 :     MLRISC must also be updated to support the MacOS X ABI.
123 :    
124 :     ----------------------------------------------------------------------
125 : mblume 1863 Name: Matthias Blume (http://www.tti-c.org/blume/)
126 : mblume 1879 Date: 2005/12/16 00:15:00 CST
127 :     Tag: blume-20051216-cm
128 :     Description:
129 :    
130 :     Improved error reporting and handling in CM.
131 :    
132 :     ----------------------------------------------------------------------
133 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
134 : mblume 1878 Date: 2005/11/21 14:00:00 CST
135 :     Tag: blume-20051121-html-lib
136 :     Description:
137 :    
138 :     Enabling $/html-lib.cm in config/preloads did not work. This is fixed
139 :     now. (Since the anchor mapping for html-lib.cm is not yet in effect
140 :     at the time when config/preloads is processed, the library has to
141 :     be referred to by another name. In 110.57 this would be
142 :     $SMLNJ-LIB/HTML/html-lib.cm. I arranged for $smlnj/smlnj-lib/html-lib.cm
143 :     to be valid as well.)
144 :    
145 :     Thanks to Todd Wilson (Fresno) for alerting me to this issue.
146 :    
147 :     ----------------------------------------------------------------------
148 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
149 : mblume 1874 Date: 2005/11/19 13:45:00 CST
150 :     Tag: Release_110_57
151 :     Description:
152 :    
153 :     Moved release tag for 110.57.
154 :    
155 :     ----------------------------------------------------------------------
156 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
157 : mblume 1873 Date: 2005/11/19 23:35:00 CST
158 :     Tag: blume-20051119-fish
159 :     Description:
160 :    
161 :     Fixed a problem in config/install.sh where it tries to "fish" the
162 :     name of the CM metadata directory from the wrong place (because
163 :     the physical location of basis.cm has changed). Also, corrected the
164 :     path anchor for $/html-lib.cm. (Thanks to M. Fluet for pointing out
165 :     these problems.)
166 :    
167 :     ----------------------------------------------------------------------
168 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
169 : mblume 1867 Date: 2005/11/16 14:30:00 CST
170 : mblume 1874 Tag: blume-orig-110_57
171 : mblume 1867 Description:
172 :    
173 :     New working version (110.57). NEW BOOTFILES!
174 :    
175 : mblume 1874 UPDATE: The release tag has been moved to include a fix for a brown-paper-
176 :     bag glitch (see above).
177 :    
178 : mblume 1867 ----------------------------------------------------------------------
179 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
180 : mblume 1866 Date: 2005/11/16 10:25:00 CST
181 :     Tag: blume-22051116-btrace
182 :     Description:
183 :    
184 :     Fixed problem with bogus exception message when using back-trace
185 :     facility.
186 :    
187 :     ----------------------------------------------------------------------
188 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
189 : mblume 1865 Date: 2005/11/15 22:35:00 CST
190 :     Tag: blume-22051115-array2copy
191 :     Description:
192 :    
193 :     Added simple implementation of Array2.copy. (Warning: mostly untested.)
194 :    
195 :     ----------------------------------------------------------------------
196 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
197 : mblume 1864 Date: 2005/11/15 21:35:00 CST
198 :     Tag: blume-22051115-versiontool
199 :     Description:
200 :    
201 :     Reversed change to src/system/smlnj/internals/versiontool.cm. This
202 :     file gets loaded as a tool -- by the equivalent of CM.make during the
203 :     run of CMB.make. Thus, CMB's path configuration is meaningless for
204 :     it. Instead, it has the status of "user code", so it should use
205 :     $/basis.cm to refer to the Basis library. (At least that's true for
206 :     the purpose of bootstrapping the previous change. In the future it
207 :     might make sense to have versiontool.cm refer to
208 :     $smlnj/basis/basis.cm, i.e., the version of the Basis that the
209 :     compiler itself uses.)
210 :    
211 :     Also patched src/system/testml to have it activate those extra anchor
212 :     bindings in config/extrapathconfig.
213 :    
214 :     ----------------------------------------------------------------------
215 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
216 : mblume 1863 Date: 2005/11/15 16:35:00 CST
217 :     Tag: blume-22051115-libraries
218 :     Description:
219 :    
220 :     This change affects the way the following libraries are tied into
221 :     the system:
222 :    
223 :     $/basis.cm
224 :     $/smlnj-lib.cm
225 :     $/pp-lib.cm
226 :     $/controls-lib.cm
227 :     $/html-lib.cm
228 :     $/ml-yacc-lib.cm
229 :    
230 :     These libraries are now internally (as seen from the source code
231 :     of the implementation itself) known by the following names:
232 :    
233 :     $smlnj/basis/basis.cm
234 :     $smlnj/smlnj-lib/smlnj-lib.cm
235 :     $smlnj/smlnj-lib/pp-lib.cm
236 :     $smlnj/smlnj-lib/controls-lib.cm
237 :     $smlnj/smlnj-lib/html-lib.cm
238 :     $smlnj/ml-yacc/ml-yacc-lib.cm
239 :    
240 :     This makes it possible to work with code that requires different
241 :     versions of these libraries, and which refers to these libraries using
242 :     their "default" names (i.e., the first set of names above). In other
243 :     words, one can un-define or re-define those default names without
244 :     compromising the proper functioning of the compiler itself.
245 :    
246 :     A similar procedure had already been performed for several of the
247 :     MLRISC libraries that are linked into the compiler. I did some
248 :     cleanup on this code.
249 :    
250 :     A new file in the config directory (named extrapathconfig) is
251 :     responsible for setting up path anchors that the compiler itself does
252 :     not need, but that are typically required by user code.
253 :    
254 :     ----------------------------------------------------------------------
255 : mblume 1862 Name: Matthias Blume
256 :     Date: 2005/11/07 17:05:00 CST
257 :     Tag: blume-20051107-slice
258 :     Description:
259 :    
260 :     Fixed erroneous out-of-bounds test in the "update" function of
261 :     various *ArraySlice modules. (Thanks to Vesa A. Norrman for pointing
262 :     out the problem.)
263 :    
264 :     Pushed some Basis changes through ML-Lex, CML, and eXene.
265 :    
266 :     ----------------------------------------------------------------------
267 : jhr 1858 Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
268 : jhr 1861 Date: 2005/11/07
269 :     Description:
270 :     Fixed a Basis incompatibility: The depreciated function Substring.all
271 :     was removed (use Substring.full instead).
272 :    
273 :     ----------------------------------------------------------------------
274 :     Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
275 : jhr 1858 Date: 2005/11/05
276 :     Description:
277 :     Tweaked interval set API in SML/NJ library; see the CHANGES file for details.
278 :    
279 :     ----------------------------------------------------------------------
280 : mblume 1856 Name: Matthias Blume (http://www.tti-c.org/blume/)
281 :     Date: 2005/11/02 16:25:00 CST
282 :     Tag: blume-20051102-hex
283 :     Description:
284 :    
285 :     * Runtime system bootstrap code now accepts hex digits in BOOTLIST
286 :     in either upper case or lower case format.
287 :     * Pushed changes to names of Pack<N>{Big,Little} structures through
288 :     CML and eXene.
289 :    
290 :     ----------------------------------------------------------------------
291 : jhr 1852 Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
292 : jhr 1855 Date: 2005/11/02
293 :     Description:
294 :     Fixed a Basis incompatibility: Pack<N>{Big,Little} structures should
295 :     be called PackWord<N>{Big,Little}.
296 :    
297 :     ----------------------------------------------------------------------
298 :     Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
299 : jhr 1852 Date: 2005/10/28
300 :     Description:
301 :     Fixed a minor Basis incompatibility: hex digits should be upper case.
302 :    
303 :     ----------------------------------------------------------------------
304 : mblume 1846 Name: Matthias Blume (blume (at) tti - c (dot) org)
305 :     Date: 2005/10/25 16:00:00 CDT
306 :     Tag: Release_110_56
307 :     Description:
308 :    
309 :     New working version (110.56). NEW BOOTFILES!
310 :    
311 :     ----------------------------------------------------------------------
312 : jhr 1838 Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
313 : jhr 1840 Date: 2005/10/25
314 :     Description:
315 :     Added interval sets to utility library (signatures INTERVAL_DOMAIN
316 :     and INTERVAL_SET, and functor IntervalSetFn).
317 :    
318 :     ----------------------------------------------------------------------
319 :     Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
320 : jhr 1838 Date: 2005/10/14
321 :     Description:
322 :     Add Zhong Shao's fix for datatype equality functions.
323 :    
324 :     ----------------------------------------------------------------------
325 : allenleung 1836 Name: Allen Leung (leunga (at) reservoir (dot) com)
326 : allenleung 1837 Date: 2005/10/14 12:30:00 EST
327 :     Tag: leunga-20051014-x86-spill
328 :     Description:
329 :    
330 :     Bug fix a bug found by Carl Hauser.
331 :     There was a typo in the reload code for FCMP in x86SpillInstr.sml.
332 :    
333 :     ----------------------------------------------------------------------
334 :     Name: Allen Leung (leunga (at) reservoir (dot) com)
335 : allenleung 1836 Date: 2005/10/14 11:15:00 EST
336 :     Tag: leunga-20051014-x86-asm
337 :     Description:
338 :    
339 :     Removed some debugging code in file x86Asm.sml.
340 :     The function emit_operand was printing out debugging output.
341 :    
342 :     ----------------------------------------------------------------------
343 : jhr 1813 Name: John Reppy
344 : jhr 1831 Date: 2005/07/27
345 :     Tag:
346 :     Description:
347 :    
348 : jhr 1832 Fixed ml-lex to recognize "\r" as representing carriage return.
349 :    
350 :     ----------------------------------------------------------------------
351 :     Name: John Reppy
352 :     Date: 2005/07/27
353 :     Tag:
354 :     Description:
355 :    
356 : jhr 1831 Fixed ml-yacc to work on files with non-native end-of-line
357 :     encodings (e.g., Windows text file on a Unix system).
358 :    
359 :     ----------------------------------------------------------------------
360 :     Name: John Reppy
361 : jhr 1824 Date: 2005/07/20
362 :     Tag:
363 :     Description:
364 :    
365 :     Added changes from Dominic Evans (oldmanuk (at) gmail (dot) com)
366 :     to support HPUX 11.
367 :    
368 :     ----------------------------------------------------------------------
369 :     Name: John Reppy
370 : jhr 1813 Date: 2005/07/06
371 :     Tag:
372 :     Description:
373 :    
374 :     Changes to the SML/NJ library. See smlnj-lib/CHANGES for details.
375 :    
376 :     ----------------------------------------------------------------------
377 : mblume 1808 Name: Matthias Blume (blume (at) tti - c (dot) org)
378 :     Date: 2005/07/06 00:45:00 CDT
379 :     Tag: blume-20050706-slice-copy
380 :     Description:
381 :    
382 :     Fixed reversed logic for deciding whether to "copy up" or "copy down"
383 :     in *-array-slice.sml.
384 :    
385 :     ----------------------------------------------------------------------
386 : allenleung 1806 Name: Allen Leung (leunga (at) reservoir (dot) com)
387 : allenleung 1807 Date: 2005/05/31 17:00:00 EST
388 :     Tag: leunga-20050531-cygwin-fault-2
389 :     Description:
390 :    
391 :     A typo in the cygwin code fixed.
392 :    
393 :     ----------------------------------------------------------------------
394 :     Name: Allen Leung (leunga (at) reservoir (dot) com)
395 : allenleung 1806 Date: 2005/05/31 16:47:00 EST
396 :     Tag: leunga-20050531-cygwin-fault
397 :     Description:
398 :    
399 :     Updated Cygwin's fault/signal handling to match the Windows version.
400 :     Updated the export list.
401 :    
402 :     ----------------------------------------------------------------------
403 : mblume 1791 Name: Matthias Blume (blume (at) tti - c (dot) org)
404 : mblume 1795 Date: 2005/05/18 13:35:00 CDT
405 :     Tag: Release_110_54
406 :     Description:
407 :    
408 :     New working version (110.54). NEW BOOTFILES!
409 :    
410 :     ----------------------------------------------------------------------
411 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
412 : mblume 1794 Date: 2005/05/18 11:58:00 CDT
413 :     Tag: blume-20050518-installer
414 :     Description:
415 :    
416 :     Added support scripts for Mac OS X PackageMaker and modified
417 :     config/install.sh so that it supports re-dumping a heap image
418 :     after customization.
419 :    
420 :     ----------------------------------------------------------------------
421 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
422 : mblume 1793 Date: 2005/05/18 10:55:00 CDT
423 :     Tag: blume-20050518-realdiv-noovld
424 :     Description:
425 :    
426 :     Un-overloaded / to work around bug in overloading resolution code.
427 :    
428 :     ----------------------------------------------------------------------
429 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
430 : mblume 1792 Date: 2005/05/16 23:50:00 CDT
431 :     Tag: blume-20050516-redump-heap
432 :     Description:
433 :    
434 :     Added mechanism for re-creating a heap file for the interactive system
435 :     after configuration variables have been changed.
436 :    
437 :     CM.redump_heap : string -> unit
438 :    
439 :     This is much like SMLofNJ.exportML, but starting from the resulting
440 :     heap does not return to the caller of CM.redump_heap but
441 :     restarts the interactive system from scratch. The original call of
442 :     CM.redump_heap does not return but ends the interactive session.
443 :     Thus, CM.redump_heap is a lot like SMLofNJ.exportFn.
444 :    
445 :     Internally, redump_heap winds the dynamic execution context back to
446 :     the point where the original heap image was created and re-executes
447 :     the heap image generation code in the boot code.
448 :    
449 :     ----------------------------------------------------------------------
450 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
451 : mblume 1791 Date: 2005/05/09 21:55:00 CDT
452 :     Tag: blume-20050509-word64
453 :     Description:
454 :    
455 :     Added a hack to the existing hack known as Word64 to make fromString
456 :     behave correctly. I am still not sure whether Word64.scan will work
457 :     as specified with respect to the interaction of radix and prefix.
458 :    
459 :     ----------------------------------------------------------------------
460 : allenleung 1785 Name: Allen Leung (leunga (at) reservoir (dot) com)
461 :     Date: 2005/05/04 11:50:00 EST
462 :     Tag: leunga-20050504-checkgc
463 :     Description:
464 :    
465 :     Added a gc protocol checking phase. This phase is enabled with
466 :     the flag "check-gc". "debug-check-gc" turns on the verbose mode.
467 :    
468 :     ----------------------------------------------------------------------
469 : mblume 1741 Name: Matthias Blume (blume (at) tti - c (dot) org)
470 : mblume 1784 Date: 2005/05/04 10:45:00 CDT
471 :     Tag: blume-20050504-intinf
472 :     Description:
473 :    
474 :     Fixed a bug in the implementation of div and mod for IntInf.
475 :     Thanks to Neophytos Michael for reporting the problem.
476 :    
477 :     ----------------------------------------------------------------------
478 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
479 : mblume 1783 Date: 2005/05/04 10:35:00 CDT
480 :     Tag: blume-20050504-join
481 :     Description:
482 :    
483 :     Added a "join" combinator to the ParserComb module in smlnj-lib.cm.
484 :    
485 :     ----------------------------------------------------------------------
486 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
487 : mblume 1770 Date: 2005/02/28 23:40:00 CST
488 :     Tag: blume-20050228-mVar
489 :     Description:
490 :    
491 :     Fixed serious bug (brown paper bag variety) in new implementation of
492 :     structure Atom in CML. (I had accidentally used a mailbox instead of
493 :     an mvar, leaving the door open for races.)
494 :    
495 :     ----------------------------------------------------------------------
496 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
497 : mblume 1761 Date: 2005/02/25 15:00:00 CST
498 :     Tag: Release_110_53
499 :     Description:
500 :    
501 :     New working version (110.53). NEW BOOTFILES!
502 :    
503 :     ----------------------------------------------------------------------
504 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
505 : mblume 1760 Date: 2005/02/25 14:50:00 CST
506 :     Tag: blume-20050225-susp
507 :     Description:
508 :    
509 :     Brought back SMLofNJ.Susp. The underlying suspension type is the one
510 :     implemented in Core -- which means that it is the same as the one used
511 :     by the lazy extension.
512 :    
513 :     ----------------------------------------------------------------------
514 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
515 : mblume 1759 Date: 2005/02/24 16:50:00 CST
516 :     Tag: blume-20050224-cml-atom
517 :     Description:
518 :    
519 :     Simpler and at the same time more general implementation of structure
520 :     Atom in CML.
521 :    
522 :     ----------------------------------------------------------------------
523 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
524 : mblume 1758 Date: 2005/02/15 17:35:00 CST
525 :     Tag: blume-20050215-tools
526 :     Description:
527 :    
528 :     Created new "tools" directory under "src" and moved "TraceDebugProf"
529 :     there.
530 :    
531 :     ----------------------------------------------------------------------
532 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
533 : mblume 1755 Date: 2005/02/10 17:55:00 CST
534 :     Tag: blume-20050210-longlong
535 :     Description:
536 :    
537 :     Implemented "long long" arguments and results for NLFFI. (Only the
538 :     PPC/MacOS implementation is complete, the other backends still need to
539 :     be updated.)
540 :    
541 :     ----------------------------------------------------------------------
542 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
543 : mblume 1751 Date: 2005/01/24 17:40:00 CST
544 :     Tag: blume-20050124-mlyacc
545 :     Description:
546 :    
547 :     Minor cleanup in ML-Yacc rule printing mechanism. This should fix a
548 :     problem with certain "as" patterns which previously got rendered
549 :     using incorrect syntax.
550 :    
551 :     ----------------------------------------------------------------------
552 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
553 : mblume 1750 Date: 2005/01/18 12:00:00 CST
554 :     Tag: blume-20050118-profile
555 :     Description:
556 :    
557 :     Made time profiling code (interrupt handler) in runtime system aware
558 :     of new array representation.
559 :    
560 :     ----------------------------------------------------------------------
561 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
562 : mblume 1747 Date: 2005/01/14 18:00:00 CST
563 :     Tag: blume-20050114-heap2exec
564 :     Description:
565 :    
566 :     Implemented new (but still experimental) heap2exec facility. This is
567 :     tested under Mac OS X and should work under Linux (will test shortly).
568 :     It will probably also work on the Sparc (will test some time later).
569 :    
570 :     - removed old "HACKED_STANDALONE" hack from runtime
571 :    
572 :     To be able to test this, uncomment the request for "heap2asm" in
573 :     config/targets prior to installation. (Notice that this is different
574 :     from "heap2exec" mentioned below. Not a typo.)
575 :    
576 :     To perform an actual test, run the command
577 :    
578 :     $ bin/heap2exec heapfile execfile
579 :    
580 :     (You can put heap2exec on your shell's path.)
581 :    
582 :     For example, run
583 :    
584 :     $ bin/heap2exec bin/.heap/ml-yacc.ppc-darwin mly
585 :    
586 :     This will create a standalone executable called "mly" which you can
587 :     then invoke directly as a command.
588 :    
589 :     ----------------------------------------------------------------------
590 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
591 : mblume 1746 Date: 2005/01/07 11:44:00 CST
592 :     Tag: blume-20050107-mlstring
593 :     Description:
594 :    
595 :     fixed off-by-one error in ML_STRING macro (globals.c)
596 :    
597 :     ----------------------------------------------------------------------
598 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
599 : mblume 1744 Date: 2004/12/23 18:00:00 CST
600 :     Tag: blume-20041223-santa
601 :     Description:
602 :    
603 :     Made ml-build script "smarter" (but only very little).
604 :    
605 :     ----------------------------------------------------------------------
606 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
607 : mblume 1742 Date: 2004/12/21 15:05:00 CST
608 :     Tag: blume-20041221-longlong
609 :     Description:
610 :    
611 :     * Implemented access to signed and unsigned long long data in NLFFI.
612 :     (The parameter-passing part of the picture has not complete. But
613 :     data structure access seems to work.)
614 :    
615 :     * Fixed CM's incorrect assumption that the PPC is little-endian.
616 :     (On the Mac, it is big-endian. And that's currently our only
617 :     PPC platform.)
618 :    
619 :     ----------------------------------------------------------------------
620 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
621 : mblume 1741 Date: 2004/12/21 12:50:00 CST
622 :     Tag: blume-20041221-memory
623 :     Description:
624 :    
625 :     Some cleanup in the $c/memory.cm library: separated some concerns by
626 :     moving allocation code and memory access code each into their own
627 :     files.
628 :    
629 :     ----------------------------------------------------------------------
630 : allenleung 1740 Name: Allen Leung (leunga (at) reservoir (dot) com)
631 :     Date: 2004/12/17 16:12:00 EST
632 :     Tag: leunga-20041217-cygwin-smlnj-home
633 :     Description:
634 :    
635 :     The Unix I/O library of SML/NJ on cygwin does not understand
636 :     Windows style pathname, so problems arise when SMLNJ_HOME is set
637 :     to a Windows style pathname. _run-sml now converts SMLNJ_HOME
638 :     to a POSIX pathname on cygwin.
639 :    
640 :     ----------------------------------------------------------------------
641 : mblume 1737 Name: Matthias Blume (blume (at) tti - c (dot) org)
642 : mblume 1736 Date: 2004/12/16 13:35:00 CST
643 :     Tag: Release_110_52
644 :     Description:
645 :    
646 :     Last-minute changes incorporated into 110.52. Release tag moved.
647 :    
648 :     The changes:
649 :     - HashString.hashString' -> HashString.hashSubstring
650 :     - bug fix in UnivariateStats
651 :    
652 :     ----------------------------------------------------------------------
653 : mblume 1702 Name: Matthias Blume (blume (at) tti - c (dot) org)
654 : mblume 1733 Date: 2004/12/15 23:40:00 CST
655 :     Tag: blume-20041215-hashSubstring
656 :     Description:
657 :    
658 :     - HashString.hashString' -> HashString.hashSubstring
659 :     - corresponding changes in atom.sml
660 :     - "de-compressed" (aka. un-obfuscated) code for UnivariateStats and
661 :     added some comments
662 :    
663 :     ----------------------------------------------------------------------
664 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
665 : mblume 1728 Date: 2004/12/15 15:30:00 CST
666 : mblume 1736 Tag: (Release_110_52)
667 : mblume 1728 Description:
668 :    
669 :     New working version (110.52). NEW BOOTFILES!
670 :    
671 :     ----------------------------------------------------------------------
672 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
673 : mblume 1727 Date: 2004/12/15 12:45:00 CST
674 :     Tag: blume-20041215-spaces
675 :     Description:
676 :    
677 :     More on the space problem (this time for Win32).
678 :    
679 :     ----------------------------------------------------------------------
680 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
681 : mblume 1725 Date: 2004/12/14 17:30:00 CST
682 :     Tag: blume-20041214-spaces
683 :     Description:
684 :    
685 :     Hacked some of the scripts (in particular: the installer) to cope with
686 :     spaces in filenames a bit better. But beware: the current "solution"
687 :     is likely still full of bugs and inherently incomplete. (We need to
688 :     do away with those shell scripts for a comprehensive solution.)
689 :    
690 :     ----------------------------------------------------------------------
691 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
692 : mblume 1724 Date: 2004/12/13 14:45:00 CST
693 :     Tag: blume-20041213-ml-makedepend
694 :     Description:
695 :    
696 :     Fixed bug in code for ml-makedepend.
697 :    
698 :     ----------------------------------------------------------------------
699 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
700 : mblume 1720 Date: 2004/12/09 16:30:00 CST
701 :     Tag: blume-20041209-statistics
702 :     Description:
703 :    
704 :     Added two simple but potentially useful statistics modules to SML/NJ Library.
705 :     (See CHANGES file there.)
706 :    
707 :     ----------------------------------------------------------------------
708 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
709 : mblume 1718 Date: 2004/12/01 16:50:00 CST
710 :     Tag: blume-20041201-atom
711 :     Description:
712 :    
713 :     smlnj-lib:
714 :    
715 :     Added function HashString.hashString' for substrings.
716 :     Hand-inlined CharVector.foldl into HashString (for speed).
717 :     Modified implementation of structure Atom to avoid extracting
718 :     strings from substrings unless necessary.
719 :     (Also see CHANGES file for smlnj-lib.)
720 :    
721 :     ----------------------------------------------------------------------
722 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
723 : mblume 1717 Date: 2004/11/24 22:15:00 CST
724 :     Tag: blume-20041124-cml
725 :     Description:
726 :    
727 :     Made sure CML compiles when Position = Int64.
728 :    
729 :     ----------------------------------------------------------------------
730 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
731 : mblume 1715 Date: 2004/11/24 14:30:00 CST
732 :     Tag: blume-20041124-position
733 :     Description:
734 :    
735 :     The compiler can now be compiled in a mode that makes structure Position
736 :     equal to Int64. The default, however, is unchanged (Position = Int31)
737 :     for the time being.
738 :    
739 :     To enable 64-bit positions, use the following procedure:
740 :    
741 :     1. Start sml
742 :     2. Autoload $smlnj/cmb.cm (if not already autoloaded)
743 :     3. Type
744 :     #set (CMB.symval "USE_64_BIT_POSITIONS") (SOME 1);
745 :     4. Run CMB.make() as usual.
746 :    
747 :     This is barely tested. The only test so far was a little SML program
748 :     counting the number of characters in an 8-gigabyte file by
749 :     reading it character-by-character. That test was successful.
750 :    
751 :     In support of 64-bit positions, a number of new functions have been
752 :     added to the runtime system.
753 :    
754 :     ----------------------------------------------------------------------
755 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
756 : mblume 1716 Date: 2004/11/23 14:45:00 CST
757 :     Tag: blume-20041123-useFile
758 : mblume 1712 Description:
759 :    
760 :     Fixed a problem with unhelpful error messages related to problems with
761 :     .cm- or .sml files that appear as part of the sml command line.
762 :    
763 :     ----------------------------------------------------------------------
764 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
765 : mblume 1703 Date: 2004/11/18 15:40:00 CST
766 :     Tag: Release_110_51
767 :     Description:
768 :    
769 :     New working version (110.51). NEW BOOTFILES!
770 :    
771 :     ----------------------------------------------------------------------
772 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
773 : mblume 1702 Date: 2004/11/18 15:35:00 CST
774 :     Tag: <none>
775 :     Description:
776 :    
777 :     Enabled dlopen and friends for FreeBSD (as recommended by Johannes 5
778 :     Joemann).
779 :    
780 :     ----------------------------------------------------------------------
781 : allenleung 1701 Name: Allen Leung (leunga (at) reservoir (dot) com)
782 :     Date: 2004/11/17 16:05:21 EST 2004
783 :     Tag: leunga-20041117-mlrisc-live-kill
784 :     Description:
785 :    
786 :     Added support for MLTree constructs LIVE and KILL
787 :     to all the architectures.
788 :    
789 :     ----------------------------------------------------------------------
790 : mblume 1687 Name: Matthias Blume (blume (at) tti - c (dot) org)
791 : mblume 1689 Date: 2004/11/13 00:20:00 CST
792 :     Tag: blume-20041113-versiontool
793 :     Description:
794 :    
795 :     - Stripped down the versiontool: It now only handles the version number.
796 :     The date string is generated at bootstrap time (during makeml).
797 :    
798 :     - In a previous commit, fixed a minor issue with how polyequal is being
799 :     translated. In particular, the code now "looks through" abstractions.
800 :     This results in slightly fewer polyEqual warnings and hopefully slightly
801 :     more efficient code. Important examples for where this matters are
802 :     the new int64 and word64 types.
803 :    
804 :     ----------------------------------------------------------------------
805 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
806 : mblume 1687 Date: 2004/11/12 00:30:00 CST
807 :     Tag: blume-20041112-int64
808 :     Description:
809 :    
810 :     Structure Int64 fully hooked in. (The implementation is not very
811 :     efficient, though.)
812 :    
813 :     ----------------------------------------------------------------------
814 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
815 : mblume 1686 Date: 2004/11/11 17:30:00 CST
816 :     Tag: blume-20041111-more64
817 :     Description:
818 :    
819 :     All the pieces of Word64 are now there, with the exception of the
820 :     conversions from and to LargeWord. (Eventually these need to be identities,
821 :     but for the time being they don't even make sense because LargeWord is
822 :     32-bit wide.)
823 :    
824 :     Also started to add similar support for Int64, but major pieces of that
825 :     are still missing.
826 :    
827 :     ----------------------------------------------------------------------
828 : mblume 1668 Name: Matthias Blume (blume (at) tti - c (dot) org)
829 : mblume 1684 Date: 2004/11/11 00:15:00 CST
830 :     Tag: blume-20041111-word64
831 :     Description:
832 :    
833 :     Structure Word64 is now (almost) complete, word literals and patterns
834 :     seem to work. There are a few odd pieces missing. In particular,
835 :     I didn't do the {from,to}LargeWord parts because LargeWord is still Word32
836 :     at the moment.
837 :    
838 :     Making Word64 official would mean that LargeWord becomes Word64. But
839 :     this requires extreme care because most word-word conversions have to
840 :     go through LargeWord, so making a mistake means loss of efficiency or
841 :     worse. Eventually there will be a solution similar to (but actually
842 :     simpler than) what I did with IntInf.
843 :    
844 :     ----------------------------------------------------------------------
845 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
846 : mblume 1683 Date: 2004/11/10 18:12:00 CST
847 :     Tag: blume-20041110-64bit
848 :     Description:
849 :    
850 :     More 64-bit hacking (but still not even half-way there yet).
851 :     Also, some assorted improvements to the handling of 8-bit words.
852 :    
853 :     ----------------------------------------------------------------------
854 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
855 : mblume 1682 Date: 2004/11/09 17:50:00 CST
856 : mblume 1683 Tag: <none>
857 : mblume 1682 Description:
858 :    
859 :     Started adding some infrastructure for supporting 64-bit int- and
860 :     word-types. (Still in its very early stages.)
861 :    
862 :     ----------------------------------------------------------------------
863 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
864 : mblume 1672 Date: 2004/10/28 10:45:00 CDT
865 :     Tag: Release_110_50
866 :     Description:
867 :    
868 :     New working version (110.50). NEW BOOTFILES!
869 :    
870 :     =====================
871 :    
872 :     Also:
873 :    
874 :     - Changend config/srcarchiveurl from a file just
875 :     containing the URL string into a file containing
876 :     shell script code. The code has access to the $VERSION variable.
877 :     - Made corresponding changes to config/install.sh and config/unpack.
878 :     - Default contents of config/srcarchiveurl uses $VERSION and
879 :     normally does not have to be edited to reflect a version change.
880 :    
881 :     (As a result, a version change can be done by just editing
882 :     config/version, the rest is now automatic.)
883 :    
884 :     ----------------------------------------------------------------------
885 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
886 : mblume 1669 Date: 2004/10/27 17:50:00 CDT
887 :     Tag: blume-20041027-btrace-msg
888 :     Description:
889 :    
890 :     BackTrace.monitor now also reports the source of the exception that
891 :     triggered the trace.
892 :    
893 :     ----------------------------------------------------------------------
894 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
895 : mblume 1668 Date: 2004/10/27 17:20:00 CDT
896 :     Tag: blume-20041027-x86-c-calls
897 :     Description:
898 :    
899 :     This is the HISTORY entry for two earlier commits, both concerning
900 :     the x86 c-calls code in MLRISC:
901 :    
902 :     - added a missing LOAD in the code that deals with struct arguments
903 :     - made sure the caller does not add the wrong number of bytes to the
904 :     stack pointer after a call of a function returning a struct
905 :     (the callee already pops the implicit argument which points to
906 :     the space reserved for the result)
907 :    
908 :     ----------------------------------------------------------------------
909 : allenleung 1662 Name: Allen Leung (leunga (at) reservoir (dot) com)
910 :     Date: 2004/10/24 14:00:00 EST
911 :     Tag: leunga-20041024-x86-gas-fucomip
912 :     Description:
913 :    
914 :     John discovered a bug in the syntax of fucomip.
915 :     The opcodes FU?COMIP? have been changed to
916 :    
917 :     fu?comip? %st(i), %st
918 :    
919 :     ----------------------------------------------------------------------
920 : mblume 1622 Name: Matthias Blume (blume (at) tti - c (dot) org)
921 : mblume 1656 Date: 2004/10/20 15:06:00 CDT
922 :     Tag: blume-20041020-standalone-backtrace
923 :     Description:
924 :    
925 :     Added a mechanism for getting back-trace information from standalone
926 :     programs. Here is how it works:
927 :    
928 :     1. The part of the program from which you want to get backtrace
929 :     information (usually the whole program) should be wrapped with
930 :     BackTrace.monitor. This is a (unit->'a)->'a function, and your
931 :     main program could be modified from something like
932 :    
933 :     fun main (pgm, args) = ...
934 :    
935 :     to
936 :    
937 :     fun main (pgm, args) = BackTrace.monitor (fn () => ...)
938 :    
939 :     2. To be able to access BackTrace.monitor, you have to add
940 :     library $smlnj-tdp/plugins.cm to the .cm file that contains your
941 :     main function.
942 :    
943 :     3. Remove all compiled code (i.e., all the .cm/ subdirectories that
944 :     CM might have created in the past for your project).
945 :    
946 :     4. Build the system using this command line:
947 :    
948 :     ml-build -Ctdp.instrument=true \$smlnj-tdp/back-trace.cm \
949 :     myprog.cm MyProg.main myprog
950 :    
951 :     instead of the usual
952 :    
953 :     ml-build myprog.cm MyProg.main myprog
954 :    
955 :     I changed a library name:
956 :    
957 :     $/trace-debug-profile.cm --> $smlnj-tdp/plugins.cm
958 :    
959 :     New libraries:
960 :    
961 :     $smlnj-tdp/back-trace.cm
962 :     -- when loaded causes the back-trace plugin to be installed
963 :     $smlnj-tdp/coverage.cm
964 :     -- when loaded causes the coverage plugin to be installed
965 :    
966 :     ----------------------------------------------------------------------
967 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
968 : mblume 1655 Date: 2004/10/18 16:45:00 CDT
969 :     Tag: blume-20041018-groupowner
970 :     Description:
971 :    
972 :     Added an "obsolete" warning for the "group owner" syntax to CM's parser.
973 :    
974 :     Eliminated group owner specs from .cm files throughout the source tree.
975 :    
976 :     ----------------------------------------------------------------------
977 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
978 : mblume 1653 Date: 2004/10/15 15:45:00 CDT
979 :     Tag: blume-20041015-coverage
980 :     Description:
981 :    
982 :     * Test coverage tool added!
983 :     * Further reorganization of tracing-, debugging-, and profiling support:
984 :    
985 :     - moved original BTImp -- now called BackTrace -- into a separate
986 :     library called $/trace-debug-profile.cm
987 :     - eliminated all mentions of BTrace from SMLofNJ.Internals
988 :     - only the instrumentation mechanism is now left in the compiler proper
989 :     - BackTrace module is a plugin which is NOT plugged in by default
990 :     - Coverage module is another such plugin
991 :    
992 :     To get the benefits of any of these plugin modules, the code in
993 :     question must be compiled with tdp instrumentation turned on. This
994 :     can be done by setting SMLofNJ.Internals.TDP.mode to true.
995 :     (The ref cell is also controlled via the -Ctdp.instrument=... switch.)
996 :    
997 :     Plugins are selected at link time. (Pre-compiled instrumented code
998 :     can be re-loaded with different plugins in effect.) When an
999 :     instrumented module is linked, whatever plugins are at that time
1000 :     enabled will come into effect for that module.
1001 :    
1002 :     To enable the back-trace plugin, load library $/trace-debug-profile.cm
1003 :     and invoke BackTrace.install() (e.g., from the interactive prompt).
1004 :     To enable the coverage plugin, load the same library and invoke
1005 :     Coverage.install().
1006 :    
1007 :     Back-traces are generated automatically on uncaught exceptions and
1008 :     when the code in question explicitly invokes BackTrace.trigger().
1009 :    
1010 :     Coverage (and execution frequency-) information must be queried
1011 :     explicitly by calling Coverage.not_covered and Coverage.hot_spots.
1012 :    
1013 :     ----------------------------------------------------------------------
1014 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1015 : mblume 1652 Date: 2004/10/14 17:40:00 CDT
1016 :     Tag: blume-20041014-tdp-core
1017 :     Description:
1018 :    
1019 :     Snapshot of a significant overhaul of how the trace/debug/profile support
1020 :     is hooked into the system (specifically: Core and SMLofNJ.Internals).
1021 :    
1022 :     ----------------------------------------------------------------------
1023 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1024 : mblume 1650 Date: 2004/10/13 16:34:00 CDT
1025 :     Tag: blume-20041013-tdp
1026 :     Description:
1027 :    
1028 :     Some rationalization of names:
1029 :    
1030 :     structure BTrace -> structure TDPInstrument
1031 :     etc.
1032 :    
1033 :     This is is preparation of using the original back-trace
1034 :     instrumentation for other purposes. "TDP" stands for
1035 :     Trace/Debug/Profile.
1036 :    
1037 :     The control flag controlling whether instrumentation is on or off is now
1038 :     registered under a different name, so instead of running sml as
1039 :    
1040 :     sml -Cinstrument.btrace-mode=true
1041 :    
1042 :     one has to say
1043 :    
1044 :     sml -Ctdp.instrument=true
1045 :    
1046 :     ----------------------------------------------------------------------
1047 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1048 : mblume 1645 Date: 2004/10/11 16:37:00 CDT
1049 :     Tag: blume-20041011-regions
1050 :     Description:
1051 :    
1052 :     Made some minor modifications to elabcore.sml to have source regions
1053 :     be propagated more tightly -- resulting in better (i.e., smaller)
1054 :     regions being reported in error- and debug messages.
1055 :    
1056 :     ----------------------------------------------------------------------
1057 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1058 : mblume 1644 Date: 2004/10/08 22:50:00 CDT
1059 :     Tag: blume-20041008-cmkw
1060 :     Description:
1061 :    
1062 :     Fixed handling of keywords in .cm files: After seeing "is" the lexer
1063 :     treats subsequent occurrences of "group", "library", "source", "is",
1064 :     "*", and "-" as ordinary identifiers rather than keywords.
1065 :    
1066 :     Most seriously, this fixes a problem with CM's "shell" tool. The tool
1067 :     is supposed to accept a tool argument called "source", but this did
1068 :     not work because of the clash with the keyword.
1069 :    
1070 :     ----------------------------------------------------------------------
1071 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1072 : mblume 1642 Date: 2004/10/07 16:00:00 CDT
1073 :     Tag: blume-20041007-cleanup
1074 :     Description:
1075 :    
1076 :     Assorted cleanup work:
1077 :    
1078 :     - got rid of intstrmap in favor of using the library's
1079 :     hash table implementation
1080 :     - threw out most of the pathnames stuff, as it was not used anyway
1081 :     - simplified tokentable implementation
1082 :     - fixed some minor spelling errors
1083 :    
1084 :     ----------------------------------------------------------------------
1085 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1086 : mblume 1641 Date: 2004/10/06 15:15:15 CDT
1087 :     Tag: blume-20041006-handler
1088 :     Description:
1089 :    
1090 :     Cleaned up the absyn to reflect the invariant that HANDLE always
1091 :     carries a FNexp as part of the type definition. This eliminates some
1092 :     superfluous sanity checks at runtime down the road.
1093 :    
1094 :     Some minor cleanup of the btrace code.
1095 :    
1096 :     ----------------------------------------------------------------------
1097 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1098 : mblume 1640 Date: 2004/10/01 10:20:30 CDT
1099 :     Tag: blume-20041001-slave
1100 :     Description:
1101 :    
1102 :     Added hack to make slave mode work in the presence of the version
1103 :     tool. (Still, since the master does two passes over the code for
1104 :     CMB.make, the release number gets bumped twice when slaves are
1105 :     attached. I don't know if this is worth fixing...)
1106 :    
1107 :     ----------------------------------------------------------------------
1108 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1109 : mblume 1639 Date: 2004/09/30 10:55:00 CDT
1110 :     Tag: blume-20040930-version
1111 :     Description:
1112 :    
1113 :     * Moved the "version" magic into its own little library under
1114 : mblume 1672 src/system/smlnj/internal. This avoids expensive reconstruction of
1115 :     a stable src/compiler/core.cm.
1116 : mblume 1639
1117 : mblume 1672 * At the same time, structure CompilerVersion is now known as
1118 :     structure SMLNJVersion.
1119 : mblume 1639
1120 :     * Arranged for the version tool to NOT kick in when rebuilding the system
1121 :     (makeml -rebuild, fixpt). Otherwise one would never reach a fixpoint.
1122 :     Also, loading the versiontool does not work when rebuilding the system
1123 :     because CM is not properly initialized at that time.
1124 :    
1125 :     ----------------------------------------------------------------------
1126 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1127 : mblume 1638 Date: 2004/09/29 14:00:00 CDT
1128 :     Tag: blume-20040929-autoversion
1129 :     Description:
1130 :    
1131 :     Implemented some CM magic to have
1132 :     file src/compiler/TopLevel/main/version.sml
1133 :     generated automagically.
1134 :     The version is taken from two files: config/version and config/release.
1135 :     The first is expected to contain a two-part version number such as 110.49.
1136 :     The second should contain a single number, but it may be missing.
1137 :    
1138 :     If the environment variable VERSIONTOOL_BUMP_RELEASE is defined at the
1139 :     time the version tool is loaded (which is the first time you say CMB.make),
1140 :     then the tool will increment the value stored in config/release every
1141 :     time CMB.make is invoked.
1142 :    
1143 :     The binfile format is now insensitive to anything beyond the first
1144 :     two components of a version number, so bumping the release does not render
1145 :     binfiles incompatible. Auto-bumping can be used to keep track of versions
1146 :     during development without invalidating existing binfiles.
1147 :    
1148 :     In any case, every CMB.make updates the date information in version.sml.
1149 :     (This is the date that is printed in the banner.)
1150 :    
1151 :     ----------------------------------------------------------------------
1152 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1153 : mblume 1634 Date: 2004/09/28 10:53:00 CDT
1154 :     Tag: blume-20040928-controls
1155 :     Description:
1156 :    
1157 :     Some cleanup of the controls code.
1158 :    
1159 :     ----------------------------------------------------------------------
1160 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1161 : mblume 1633 Date: 2004/09/27 22:08:00 CDT
1162 :     Tag: blume-20040927-controls
1163 :     Description:
1164 :    
1165 :     Added two pieces of functionality to the Controls interface:
1166 :    
1167 :     1. val save'restore: 'a control -> unit -> unit
1168 :    
1169 :     grabs the current value of the control in stage 1 and restores it
1170 :     in stage 2.
1171 :    
1172 :     2. val set' : 'a control * 'a -> unit -> unit
1173 :    
1174 :     stores the given value into the control in stage 2 (i.e., delayed)
1175 :     but does all error checking in stage 1.
1176 :     (This is for string controls that need to do parse their argument --
1177 :     something that might fail. In some cases, notably in CM, one
1178 :     already knows the intended argument but wants to delay the actual
1179 :     assignment until a time when error recovery would be more difficult.)
1180 :    
1181 :     Changed the handling of controls in tool arguments to classes "sml" and
1182 :     "lazysml":
1183 :     - use Controls.save'restore as a more robust way of restoring the
1184 :     old value (in particular: without having to re-parse the string)
1185 :     - use controls to handle the "overload" keyword in the init group
1186 :     (I believe this change actually fixes a long-standing obscure bug.)
1187 :    
1188 :     ----------------------------------------------------------------------
1189 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1190 : mblume 1632 Date: 2004/09/27 17:00:00 CDT
1191 :     Tag: blume-20040927-lazysml
1192 :     Description:
1193 :    
1194 :     Added a new tool class called "lazysml" to CM's tool chest. The only
1195 :     difference to "sml" is that compilation is done with Control.lazysml
1196 :     set to true. A source of class "lazysml" is automatically recognized
1197 :     by a file name suffix of ".lml".
1198 :    
1199 :     In addition to the above feature, the original class "sml" now also
1200 :     supports a tool argument "lazy" which has the same effect. As a
1201 :     result, the following three lines are equivalent:
1202 :    
1203 :     foo.sml : lazysml
1204 :     foo.sml : sml (lazy)
1205 :     foo.sml (lazy)
1206 :    
1207 :     The setting goes into effect both during parsing and during
1208 :     compilation. The original setting is restored right after parsing and
1209 :     after compilation, respectively.
1210 :    
1211 :     In addition to all the above, there is also a general mechanism to set
1212 :     ANY of the "controls" that are available at the command line via
1213 :     "-C..." on a per-sml-file basis. The same rules that apply for "lazy"
1214 :     apply as well. (In fact, "lazy" is implemented as a special case of
1215 :     the general mechanism.)
1216 :    
1217 :     The .cm file syntax uses a new keyword tool argument called "with".
1218 :     There are several ways of indicating the desired settings:
1219 :    
1220 :     foo.sml (with:parser.quotations=true)
1221 :     foo.sml (with:(name:parser.quotations value:true))
1222 :     foo.sml (with:(name:name1 value:value1 name:name2 value:value2 ...))
1223 :     foo.sml (with:(name1=value1 name2=value2 ...))
1224 :     foo.sml (with:(name1=value1 name:name2 value:value2 name3=value3 ...))
1225 :    
1226 :     etc.
1227 :    
1228 :     Another possible abbreviation is to leave out the =v or value:v part
1229 :     if the name refers to a boolean control (in which case the value is
1230 :     taken to be true). Thus, one could get lazy sml also by saying:
1231 :    
1232 :     foo.sml (with:parser.lazy-keyword=true)
1233 :     foo.sml (with:parser.lazy-keyword)
1234 :     foo.sml (with:(name:parser.lazy-keyword value:true))
1235 :     foo.sml (with:(name:parser.lazy-keyword))
1236 :    
1237 :     ----------------------------------------------------------------------
1238 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1239 : mblume 1631 Date: 2004/09/24 16:22:00 CDT
1240 :     Tag: blume-20040924-ppc-long-branch
1241 :     Description:
1242 :    
1243 :     Turned message about "emiting long form of branch" off by default.
1244 :     Added a control flag to turn it back on when desired.
1245 :    
1246 :     ----------------------------------------------------------------------
1247 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1248 : mblume 1630 Date: 2004/09/24 16:05:00 CDT
1249 :     Tag: blume-20040924-rounding
1250 :     Description:
1251 :    
1252 :     Applied patch for setting rounding modes under Mac OS X. Thanks to
1253 :     Melissa O'Neill for providing the code!
1254 :    
1255 :     ----------------------------------------------------------------------
1256 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1257 : mblume 1629 Date: 2004/09/23 17:30:00 CDT
1258 :     Tag: blume-20040923-envvars
1259 :     Description:
1260 :    
1261 :     1. Changed definition of type ControlRegistry.registry_tree to
1262 :     include control_info (i.e., the name of the controlling environment
1263 :     variable).
1264 :    
1265 :     2. Added command-line flags -e and -E to print the names of environment
1266 :     variables that can be used to control internal settings.
1267 :     (This uses the new API mentioned in 1.)
1268 :    
1269 :     ----------------------------------------------------------------------
1270 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1271 : mblume 1622 Date: 2004/09/13 16:50:00 CDT
1272 :     Tag: Release_110_49
1273 :     Description:
1274 :    
1275 :     New working version (110.49). NEW BOOTFILES!
1276 :    
1277 :     ----------------------------------------------------------------------
1278 : mblume 1621 Name: Matthias Blume
1279 :     Date: 2004/09/13 16:20:00 CDT
1280 :     Tag: blume-20040913-config-mlrisc
1281 :     Description:
1282 :    
1283 :     Put target "mlrisc" back into the default list.
1284 :     (There is no harm in having it, and some users have expressed their
1285 :     wish to have "mlrisc" included by default.)
1286 :    
1287 :     ----------------------------------------------------------------------
1288 : jhr 1620 Name: John Reppy
1289 :     Date: 2004/09/13
1290 :     Tag: jhr-20040913-signals
1291 :     Description:
1292 :    
1293 :     Fixed the signal masking code to properly nest mask/unmask operations
1294 :     on a per-signal basis.
1295 :    
1296 :     ----------------------------------------------------------------------
1297 : mblume 1619 Name: Matthias Blume (blume (at) tti - c (dot) org)
1298 :     Date: 2004/09/08 13:20:00 CDT
1299 :     Tag: blume-20040908-heap-magic
1300 :     Description:
1301 :    
1302 :     Bumped the heap macig number to 0x09082004 to account for the changed
1303 :     layout of the ML frame under MacOS X.
1304 :    
1305 :     ----------------------------------------------------------------------
1306 : allenleung 1618 Name: Allen Leung (leunga (at) reservoir (dot) com)
1307 :     Date: 2004/09/03 11:26:00 EST
1308 :     Tag: leunga-20040903-cygwin-install
1309 :     Description:
1310 :    
1311 :     Added a patch to _arch-n-opsys to enable the Cygwin runtime.
1312 :     The Cygwin runtime is turned on by setting the environment
1313 :     variable SMLNJ_CYGWIN_RUNTIME to 1.
1314 :    
1315 :     ----------------------------------------------------------------------
1316 : mblume 1615 Name: Matthias Blume (blume (at) tti - c (dot) org)
1317 : mblume 1617 Date: 2004/08/31 17:15:00 CDT
1318 :     Tag: blume-20040831-core
1319 :     Description:
1320 :    
1321 :     Added some exports to src/compiler/core.cm upon request by J. Joemann.
1322 :    
1323 :     ----------------------------------------------------------------------
1324 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1325 : mblume 1616 Date: 2004/08/30 17:55:00 CDT
1326 :     Tag: blume-20040830-installer
1327 :     Description:
1328 :    
1329 :     Upon request by Johannes Joemann:
1330 :    
1331 :     - improved ML code of installer to fall back to coping when renaming
1332 :     fails (i.e., when source and target are on different file systems);
1333 :     the code compiles but has yet to be tested in anger
1334 :     - removed mlrisc from list of default targets (config/targets)
1335 :    
1336 :     ----------------------------------------------------------------------
1337 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1338 : mblume 1615 Date: 2004/08/27 17:20:00 CDT
1339 :     Tag: blume-20040827-ptreql
1340 :     Description:
1341 :    
1342 :     Added ptreql primop to structure InlineT (upon request from Larry
1343 :     Paulson).
1344 :    
1345 :     ----------------------------------------------------------------------
1346 : allenleung 1613 Name: Allen Leung (leunga (at) reservoir (dot) com)
1347 : allenleung 1614 Date: 2004/08/15 21:21:00 EST
1348 :     Tag: leunga-110_48-udgraph
1349 :     Description:
1350 :    
1351 :     Another bug fix from Carl Hauser:
1352 :    
1353 :     diff /net/niflab/smlnj48/src/MLRISC/graphs/udgraph.sml udgraph.sml
1354 :     > 48c48
1355 :     > < | rmv((e as (k,_))::es,L) = rmv(es,if k = i then es else
1356 :     > e::L)
1357 :     > ---
1358 :     > > | rmv((e as (k,_))::es,L) = rmv(es,if k = i then L else e::L)
1359 :     > Without this, any deletion of an edge in an undirected graph does severe
1360 :     > violence to the graph.
1361 :    
1362 :     ----------------------------------------------------------------------
1363 :     Name: Allen Leung (leunga (at) reservoir (dot) com)
1364 : allenleung 1613 Date: 2004/08/10 23:35:00 EST
1365 :     Tag: leunga-110_48-ppc
1366 :     Description:
1367 :    
1368 :     The IBM/MacOS syntax switch on PPC was incorrectly swapped.
1369 :    
1370 :     ----------------------------------------------------------------------
1371 : mblume 1602 Name: Matthias Blume (blume (at) tti - c (dot) org)
1372 : mblume 1615 Date: 2004/08/10 12:00:00 CDT
1373 : mblume 1602 Tag: Release_110_48
1374 :     Description:
1375 :    
1376 :     New working version (110.48). NEW BOOTFILES!
1377 :    
1378 :     ----------------------------------------------------------------------
1379 : allenleung 1599 Name: Allen Leung (leunga (at) reservoir (dot) com)
1380 :     Date: 2004/08/09 12:21:00 EST
1381 :     Tag: leunga-110_47-dijsktra
1382 :     Description:
1383 :    
1384 :     Bug fix from Carl Hauser:
1385 :    
1386 :     single_source_shortest_paths in dijkstra.sml was observed to get wrong
1387 :     answers (by comparing to single_source_shortest_paths in bellman-ford.sml).
1388 :    
1389 :     The problem is that following the expression A.update(dist,s,Num.zero)
1390 :     it is necessary to update the priority queue using Q.decreaseWeight(Q,s).
1391 :    
1392 :     ----------------------------------------------------------------------
1393 : mblume 1595 Name: Matthias Blume (blume (at) tti - c (dot) org)
1394 :     Date: 2004/08/06 18:10:00 CDT
1395 :     Tag: blume-20040806-cmdline
1396 :     Description:
1397 :    
1398 :     Fiddled with handling of command-line options:
1399 :    
1400 :     * sml now quits after processing the command line
1401 :     if -H, -S, -h<n>, or -s<n> appears as the last
1402 :     command-line argument
1403 :     * a new option -q terminates the session when encountered on
1404 :     the command line; subsequent arguments will be ignored
1405 :     * bug fixes: short (erroneous) arguments are no longer ignored
1406 :     completely
1407 :    
1408 :     ----------------------------------------------------------------------
1409 : allenleung 1593 Name: Allen Leung (leunga (at) reservoir (dot) com)
1410 :     Date: 2004/08/04 18:17:00 EST
1411 :     Tag: leunga-110_47-ppc-ibm-asm
1412 :     Description:
1413 :    
1414 :     - Added minimal IBM assembly syntax support for PowerPC.
1415 :    
1416 :     - Cygwin: manually changed the file cygwin.def. Some exported symbols have
1417 :     been altered in the runtime. We need an automatic way to keep the file
1418 :     in sync.
1419 :    
1420 :     ----------------------------------------------------------------------
1421 : mblume 1548 Name: Matthias Blume (blume (at) tti - c (dot) org)
1422 : mblume 1581 Date: 2004/08/04 14:00:00 CDT
1423 :     Tag: Release_110_47
1424 :     Description:
1425 :    
1426 :     New working version (110.47). NEW BOOTFILES!
1427 :    
1428 :     ----------------------------------------------------------------------
1429 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1430 : mblume 1580 Date: 2004/08/03 14:25:00 CDT
1431 :     Tag: blume-20040803-callingconv
1432 :     Description:
1433 :    
1434 :     Added low-level support for choosing C calling conventions by
1435 :     twiddling the type of rawccall. (See
1436 :     src/compiler/Semant/types/cproto.sml for details.)
1437 :    
1438 :     ----------------------------------------------------------------------
1439 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1440 : mblume 1579 Date: 2004/08/02 15:55:00 CDT
1441 :     Tag: blume-20040802-backout
1442 :     Description:
1443 :    
1444 :     Backed out of change to win32-filesys.c. The earlier patch to
1445 :     get_file_time caused CM to produce files with the wrong time stamp.
1446 :    
1447 :     ----------------------------------------------------------------------
1448 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1449 : mblume 1573 Date: 2004/08/02 14:45:00 CDT
1450 :     Tag: blume-20040802-nlffi-win32
1451 :     Description:
1452 :    
1453 :     Added NLFFI support for Win32, adapted from a patch provided by David
1454 :     Hansel. This is currently completely untested. Also, the issue
1455 :     concerning stdcall vs. ccall is still unresolved.
1456 :    
1457 :     ----------------------------------------------------------------------
1458 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1459 : mblume 1572 Date: 2004/07/30 17:55:00 CDT
1460 :     Tag: blume-20040730-various
1461 :     Description:
1462 :    
1463 :     Gearing up towards 110.47...
1464 :    
1465 :     - various minor bugfixes to ml-nlffigen
1466 :     - a beginning of a manual for nlffi
1467 :    
1468 :     - eliminated 'export name=value' in config/install.sh as this does
1469 :     not work with certain versions of /bin/sh
1470 :     (Thanks to David King at Motorola for catching this.)
1471 :    
1472 :     - several bugfixes provided or suggested by David Hansel at Reactive Systems:
1473 :     - added a test for tm==NULL to gmtime.c and localtime.c
1474 :     - applied patch for incorrect GetFileTime under win32
1475 :     - toSeconds -> toMilliseconds in Win32/win32-process.sml
1476 :    
1477 :     ----------------------------------------------------------------------
1478 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1479 : mblume 1557 Date: 2004/07/21 18:20:00 CDT
1480 :     Tag: blume-20040721-nlffigen
1481 :     Description:
1482 :    
1483 :     - Fixed minor issue in ml-nlffigen: Now generate structure T_foo
1484 :     for a typedef to an incomplete type, but leave out the "typ" member.
1485 :     (This is just for consistency.)
1486 :     - Started to produce what is supposed to become better (i.e., comprehensive)
1487 :     documentation of what ml-nlffigen does and produces.
1488 :    
1489 :     ----------------------------------------------------------------------
1490 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1491 : mblume 1548 Date: 2004/07/14 16:25:00 CDT
1492 :     Tag: blume-20040714-union
1493 :     Description:
1494 :    
1495 :     Added C_UNION to c-calls/c-types.sml and updated the machinery
1496 :     (ml-nlffigen, cproto.sml) that conveys C function interface
1497 :     information to the code generator.
1498 :    
1499 :     However, the actual architecture-specific implementation of function
1500 :     arguments and results that are C unions is still not implemented.
1501 :    
1502 :     ----------------------------------------------------------------------
1503 : allenleung 1539 Name: Allen Leung (leunga (at) reservoir (dot) com)
1504 : allenleung 1546 Date: 2004/07/14 14:38:00 EST
1505 :     Tag: leunga-110_46_1-ppc-lwzu
1506 :     Description:
1507 :    
1508 :     Added these instructions to the PowerPC architecture:
1509 :     LBZU(X), LHZU(X), LWZU(X),
1510 :     STWU(X), STFDU, STFSU
1511 :    
1512 :     etc...
1513 :    
1514 :     Note: I haven't added their instruction encoding into the description.
1515 :    
1516 :     ----------------------------------------------------------------------
1517 :     Name: Allen Leung (leunga (at) reservoir (dot) com)
1518 : allenleung 1539 Date: 2004/07/13 15:04:00 EST
1519 :     Tag: leunga-110_46_1-ppc-lwarx
1520 :     Description:
1521 :    
1522 :     Added the two instructions LWARX and STWCX to the PowerPC
1523 :     instruction set.
1524 :    
1525 :     A (untested) rewrite of loop-structure.sml. The old version
1526 :     is completely broken.
1527 :    
1528 :     ----------------------------------------------------------------------
1529 : mblume 1479 Name: Matthias Blume (blume (at) tti - c (dot) org)
1530 : mblume 1537 Date: 2004/07/13 13:50:00 CDT
1531 :     Tag: blume-20040713-nlffi
1532 :     Description:
1533 :    
1534 :     - use paramAlloc to report c-calls with too many arguments
1535 :     (for PPC version where parameter area is pre-allocated)
1536 :     - added ccall_maxargspace to machspec (to implement the above)
1537 :     - made "make" commend in CM's "make" tool configurable
1538 :     - added option (default: on) for passing the name of the SML/NJ's "bin"
1539 :     directory to "make"; the call looks like this:
1540 :    
1541 :     make <options> SMLNJ_BINDIR=<dir> <target>
1542 :    
1543 :     This can be used by the Makefile to, e.g., pick the "right" version
1544 :     of ml-nlffigen.
1545 :     - minor code tweaks
1546 :    
1547 :     ----------------------------------------------------------------------
1548 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1549 : mblume 1532 Date: 2004/07/12 22:50:00 CDT
1550 :     Tag: blume-110_46_1-macosx-nlffi
1551 :     Description:
1552 :    
1553 :     NLFFI under Mac OS X now working (sort of). This is largely untested,
1554 :     though.
1555 :    
1556 :     Note: 1. You have to make a new, clean build of the runtime system.
1557 :     2. There are new BOOTFILES, you have to use them!
1558 :     (Doing the bootstrap process yourself would be *very* painful!
1559 :     If you absolutely have to do it, build the system under
1560 :     a different architecture and then cross-compile.)
1561 :    
1562 :     Version bumped to 110.46.1 to account for runtime data format changes.
1563 :    
1564 :     ----------------------------------------------------------------------
1565 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1566 : mblume 1515 Date: 2004/06/18 14:30:00 CDT
1567 :     Tag: blume-20040618-unix
1568 :     Description:
1569 :    
1570 :     Changed the implementation of structure Unix so that the same stream
1571 :     is returned every time one of the {text,bin}{In,Out}streamOf functions
1572 :     is invoked on the same proc. This is not what the spec currently
1573 :     says -- although IMO it arguably should. (See discussion below.)
1574 :    
1575 :     ----------------------------------------------------------------------
1576 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1577 : mblume 1507 Date: 2004/06/17 18:15:00 CDT
1578 :     Tag: Release_110_46
1579 :     Description:
1580 :    
1581 :     New working version (110.46). NEW BOOTFILES!
1582 :    
1583 :     ----------------------------------------------------------------------
1584 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1585 : mblume 1506 Date: 2004/06/17 17:20:00 CDT
1586 :     Tag: blume-20040617-timer-unix
1587 :     Description:
1588 :    
1589 :     Changed the interface of structures Timer and Unix to match the most
1590 :     recent Basis spec.
1591 :    
1592 :     In the case of Unix there still seems to be an open/weird issue:
1593 :    
1594 :     The {text,bin}{In,Out}streamOf functions are supposed to create
1595 :     fresh streams whenever they are called -- as opposed to have them
1596 :     return the same stream every time. This design is supposed to
1597 :     prevent space leaks caused by proc values hanging on to streams.
1598 :    
1599 :     The reap function, on the other hand, is supposed to close the
1600 :     streams. This cannot be done without having a handle on the
1601 :     stream in proc after all...
1602 :    
1603 :     I took the liberty to implement the following stopgap solution:
1604 :    
1605 :     The proc value hangs on to the most recently created stream(s).
1606 :     Reap closes those. If either or both of the two streams hadn't
1607 :     been created at all yet, then reap will close the corresponding
1608 :     file descriptors directly.
1609 :    
1610 :     PS: I don't understand the original space leak argument anymore. If
1611 :     a proc hangs on to the imperative stream, then I/O operations on those
1612 :     will advance the state of the cached stream and avoid the space leak.
1613 :    
1614 :     ----------------------------------------------------------------------
1615 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1616 : mblume 1500 Date: 2004/05/28 16:45:00 CDT
1617 :     Tag: blume-20040528-basis
1618 :     Description:
1619 :    
1620 :     Added signature PACK_REAL and exported functor PrimIO.
1621 :    
1622 :     ----------------------------------------------------------------------
1623 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1624 : mblume 1498 Date: 2004/05/25 16:00:00 CDT
1625 :     Tag: blume-20040525-group-owner
1626 :     Description:
1627 :    
1628 :     CM now ignores (but still accepts) the "owner" information in group
1629 :     descriptions. The owner of a group is its next enclosing
1630 :     library. Each group must have a unique owner. (There is a virtual
1631 : mblume 1505 "toplevel" library that owns groups which are not nested within a real
1632 : mblume 1498 library.) Previously, each group had to explicitly declare its owner,
1633 :     and CM would check that such a declaration is correct. The new scheme
1634 :     is to have CM check that for each group there is precisely one owning
1635 :     library.
1636 :    
1637 :     The advantage of the new scheme is that the programmer no longer needs
1638 :     to maintain the somewhat annoying owner information. The downside is
1639 :     that CM cannot enforce the ownership rule across multiple runs of
1640 :     CM.make. Fortunately, enclosing the same group in two different
1641 :     libraries A and B which are not part of the same program does not
1642 :     cause real problems.
1643 :    
1644 :     ----------------------------------------------------------------------
1645 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1646 : mblume 1496 Date: 2004/05/20 16:00:00 CDT
1647 :     Tag: blume-20040520-win32
1648 :     Description:
1649 :    
1650 :     Made the win32 version work again. (Strangely, a misplaced comma had
1651 :     slipped into win32-process.c which prevented the runtime from being
1652 :     compiled correctly.)
1653 :    
1654 :     Also, included a minor addition to ml-build.bat analogous to what was
1655 :     done in blume-20040519-ml-build.
1656 :    
1657 :     ----------------------------------------------------------------------
1658 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1659 : mblume 1494 Date: 2004/05/19 22:10:00 CDT
1660 :     Tag: blume-20040519-ml-build
1661 :     Description:
1662 :    
1663 :     Arranged for ml-build to clean up after itself a little bit better.
1664 :     The script generates a temporary SML source file and compiles it using
1665 :     CM, so CM generates metadata (GUID, SKEL, objectfile) for it. It now
1666 :     gets rid of those at the end, so they don't accumulate under .cm.
1667 :    
1668 :     This required a minor change to install.sh because the name of the
1669 :     metadata directory (default: .cm) is actually configurable at
1670 :     installation time.
1671 :    
1672 :     ----------------------------------------------------------------------
1673 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1674 : mblume 1491 Date: 2004/05/18 15:50:00 CDT
1675 :     Tag: blume-20040518-mkreader
1676 :     Description:
1677 :    
1678 :     Added Posix.IO.mk{Bin,Text}{Reader,Writer} by lifting their respective
1679 :     implementations from internal modules PosixBinPrimIO and PosixTextPrimIO.
1680 :    
1681 :     ----------------------------------------------------------------------
1682 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1683 : mblume 1489 Date: 2004/05/11 14:35:00 CDT
1684 :     Tag: blume-20040511-win32sock
1685 :     Description:
1686 :    
1687 :     Added previously missing support for many socket-related functions
1688 :     under win32. Thanks to David Hansel <hansel@reactive-systems.com>
1689 :     for the voluminous patch!
1690 :    
1691 :     (I have not tested this patch under win32 yet.)
1692 :    
1693 : mblume 1490 Here is David's e-mail:
1694 :    
1695 :     Hi,
1696 :    
1697 :     Attached to this email you find a diff against sml/nj 110.45
1698 :     that will enable socket support under Windows.
1699 :    
1700 :     To apply the patch (using unix or cygwin)
1701 :     1) gunzip runtime.diff.gz
1702 :     2) "cd" into "src/runtime" in the source tree of a fresh
1703 :     110.45 installation.
1704 :     3) patch -p 1 < [your/path/to]runtime.diff
1705 :    
1706 :     The code compiles fine but has NOT yet been extensively tested.
1707 :     I only ran a few tests for basic socket client functionality
1708 :     (which worked fine). Especially the functions that use ioctl
1709 :     are not tested at all and might not work (see below).
1710 :    
1711 :     I implemented this since we want to move to a newer version of sml/nj
1712 :     but need socket support in order to use it. This is the first time I
1713 :     even had a look at the sml/nj source, so please review my changes
1714 :     before making this part of the distribution! Here are a few issues
1715 :     that I think might be better for someone to solve who is more
1716 :     familiar with the sml/nj source (and socket programming):
1717 :    
1718 :     - getnetbyaddr.c and getnetbyname.c will raise a "not implemented"
1719 :     exception since I could not figure out what the windows equivalent
1720 :     of these functions is
1721 :    
1722 :     - In sockets-osdep.h there are a some #include statements that are
1723 :     only used in a few files that include sockets-osdep.h
1724 :    
1725 :     - In smlnj-sock-lib.c, function init_fn() calls WSAStartup() but
1726 :     does not process its return value since I don't know how to
1727 :     report an error upwards.
1728 :    
1729 :     - It would probably be good to have a call to WSACleanup() when
1730 :     the library is unloaded (if there is such a possibility).
1731 :     Otherwise I think Windows will take care of this automatically
1732 :     when the process finishes.
1733 :    
1734 :     - I used ioctlsocket() as a replacement for ioctl() but I have
1735 :     no idea if that is actually the proper replacement on Windows.
1736 :    
1737 :     - All these issues are marked in the code by "FIXME" comments.
1738 :    
1739 :     We use sml/nj extensively in our products and are quite happy
1740 :     with it. I hope this contribution will help you.
1741 :    
1742 :     Keep up the good work!
1743 :    
1744 :     David
1745 :    
1746 : mblume 1489 ----------------------------------------------------------------------
1747 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1748 : mblume 1488 Date: 2004/05/11 14:20:00 CDT
1749 :     Tag: blume-20040511-installml
1750 :     Description:
1751 :    
1752 :     Fixed two bugs in installml script. (Thanks to Vesa A. Norrman for
1753 :     the patch.)
1754 :    
1755 :     ----------------------------------------------------------------------
1756 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1757 : mblume 1487 Date: 2004/05/11 14:05:00 CDT
1758 :     Tag: blume-20040511-nlffi-netbsd
1759 :     Description:
1760 :    
1761 :     Added support for nlffi under netbsd. (Thanks to Vesa A. Norrman for
1762 :     the patch.)
1763 :    
1764 :     ----------------------------------------------------------------------
1765 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1766 : mblume 1486 Date: 2004/05/11 12:05:00 CDT
1767 :     Tag: blume-20040511-exports
1768 :     Description:
1769 :    
1770 :     As per request by Adam Chlipala <adam@hcoop.net>, extended various
1771 :     export lists in compiler-related .cm-files.
1772 :    
1773 :     ----------------------------------------------------------------------
1774 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1775 : mblume 1485 Date: 2004/05/11 11:35:00 CDT
1776 :     Tag: blume-20040511-allsource
1777 :     Description:
1778 :    
1779 :     The installer now honors the "src-smlnj" target again, although its meaning
1780 :     has changed from "all sources required for the compiler" to "all sources
1781 :     the installer knows about". In other words, if you enable "src-smlnj"
1782 :     in the "targets" file, then the installer will pull in sources for
1783 :     everything. (Notice that this refers to source code only. Compiled
1784 :     code is still only installed for modules that were requested explicitly
1785 :     or which are required for other modules that were requested explicitly.)
1786 :    
1787 :     ----------------------------------------------------------------------
1788 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1789 : mblume 1482 Date: 2004/04/23 17:40:00 CDT
1790 :     Tag: blume-20040423-ieee-scan
1791 :     Description:
1792 :    
1793 :     Fixed IEEEReal.scan (and .fromString) so that if there is an overflow
1794 :     in the exponent calculation we get INF or ZERO (depending on the mantissa
1795 :     and the sign of the exponent).
1796 :    
1797 :     ----------------------------------------------------------------------
1798 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1799 : mblume 1480 Date: 2004/04/23 10:40:00 CDT
1800 :     Tag: blume-20040423-ml-build
1801 :     Description:
1802 :    
1803 :     The ml-build script now terminates with a non-0 status when something
1804 :     goes wrong.
1805 :    
1806 :     ----------------------------------------------------------------------
1807 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1808 : mblume 1479 Date: 2004/04/22 16:35:00 CDT
1809 :     Tag: blume-20040422-Option
1810 :     Description:
1811 :    
1812 :     Made exception Option to be the same as exception Option.Option
1813 :     (as it should be).
1814 :    
1815 :     ----------------------------------------------------------------------
1816 : allenleung 1468 Name: Allen Leung (leunga (at) reservoir (dot) com)
1817 :     Date: 2004/03/19 14:40:00 EST
1818 :     Tag: leunga-20040319-cygwin-nlffi
1819 :     Description:
1820 :    
1821 :     Fixed the runtime so that ml-nlffi-lib runs on the cygwin version
1822 :     of SML/NJ. The problem is that
1823 :    
1824 :     lib = dlopen(NULL, ...)
1825 :     f = dlsym(lib, "malloc");
1826 :    
1827 :     does not work on Windows unless we explicitly export symbols
1828 :     such as 'malloc' during linking. We fixed this by explicitly
1829 :     exporting the required symbols with the magic gcc incantation:
1830 :    
1831 :     -Wl,--export-all cygwin.def
1832 :    
1833 :     where cygwin.def is a file containing all the symbols that
1834 :     we wish to export.
1835 :    
1836 :     I suspect this is a Windows problem and we'll have to
1837 :     do the same (somehow with windows compilers) when
1838 :     we build the native win32 version with the system
1839 :     calls LoadLibrary/GetProcAddress.
1840 :    
1841 :     ----------------------------------------------------------------------
1842 : mblume 1384 Name: Matthias Blume (blume (at) tti - c (dot) org)
1843 : mblume 1465 Date: 2004/03/04 16:35:00 CST
1844 :     Tag: blume-20040304-intinf-fmt
1845 :     Description:
1846 :    
1847 :     Fixed problem with IntInf.fmt (sign would show up on the right instead
1848 :     of on the left for BIN, OCT, and HEX).
1849 :    
1850 :     ----------------------------------------------------------------------
1851 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1852 : mblume 1464 Date: 2004/03/04 11:25:00 CST
1853 :     Tag: blume-20040304-symlinks
1854 :     Description:
1855 :    
1856 :     Fixed problem with installer script (unix only) where bin/ml-yacc and
1857 :     friends pointed (via symlinks) to absolute locations instead of just
1858 :     .run-sml. This was reported by Vesa A Norrman.
1859 :    
1860 :     ----------------------------------------------------------------------
1861 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1862 : mblume 1455 Date: 2004/02/13 14:50:00 CST
1863 :     Tag: Release_110_45
1864 :     Description:
1865 :    
1866 :     New working version (110.45). New bootfiles.
1867 :    
1868 :     ----------------------------------------------------------------------
1869 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1870 : mblume 1448 Date: 2004/01/26 15:15:15 CST
1871 :     Tag: blume-20040126-toplevel
1872 :     Description:
1873 :    
1874 :     Improved handling of exceptions at the interactive toplevel.
1875 :    
1876 :     ----------------------------------------------------------------------
1877 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1878 :     Date: 2004/01/26 11:25:00
1879 : mblume 1446 Tag: blume-20040126-app
1880 :     Description:
1881 :    
1882 :     Type of top-level "app" corrected.
1883 : mblume 1447 Added code for setting vp_limitPtrMask to Win32-specific runtime.
1884 : mblume 1446
1885 :     ----------------------------------------------------------------------
1886 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1887 : mblume 1427 Date: 2003/11/18 17:10 CST
1888 :     Tag: blume-20031118-basis-fiddle
1889 :     Description:
1890 :    
1891 :     - changed Timer interface to what might become the spec
1892 :     - POSIX_FLAGS -> BIT_FLAGS according to spec
1893 :     - some other minor discrepancies wrt. spec eliminated
1894 :    
1895 :     ----------------------------------------------------------------------
1896 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1897 : mblume 1414 Date: 2003/11/06 12:00:00 CST
1898 :     Tag: Release_110_44
1899 :     Description:
1900 :    
1901 :     New working version (110.44). New bootfiles.
1902 :    
1903 :     ----------------------------------------------------------------------
1904 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1905 : mblume 1411 Date: 2003/11/04 11:50:00 CST
1906 :     Tag: blume-20031104-move-libraries
1907 :     Description:
1908 :    
1909 :     Eliminated the "dont_move_libraries" directive in config/targets.
1910 :     (The mechanism was broken and could not be fixed easily. Moreover,
1911 :     there does not seem to be any reason not to move all libraries into
1912 :     lib during installation. I originally implemented this directive as a
1913 :     backward-compatibility feature when I first introduced the new CM.
1914 :     Now that things have been stable for a long time and going back to the
1915 :     old CM is not an option, there is no reason to keep it around.)
1916 :    
1917 :     ----------------------------------------------------------------------
1918 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1919 : mblume 1409 Date: 2003/11/03 16:00:00 CST
1920 :     Tag: blume-20031103-installdir
1921 :     Description:
1922 :    
1923 :     Made installer honor INSTALLDIR variable again. (Thanks to Chris
1924 :     Richards for pointing out the problem and providing the solution.)
1925 :    
1926 :     ----------------------------------------------------------------------
1927 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1928 : mblume 1400 Date: 2003/10/01 17:05:00 CDT
1929 :     Tag: blume-20031001-lal-mlrisc
1930 :     Description:
1931 :    
1932 :     MLRISC bug fix from Lal.
1933 :    
1934 :     ----------------------------------------------------------------------
1935 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1936 : mblume 1399 Date: 2003/09/30 16:10:00 CDT
1937 :     Tag: blume-20030930-primio-bat
1938 : mblume 1398 Description:
1939 :    
1940 :     1. Added openVector, nullRd, and nullWr to PRIM_IO.
1941 :     2. Improved .bat files (for Win32 port) to make things work under Win95.
1942 :     (thanks to Aaron S. Hawley for this one)
1943 :    
1944 :     ----------------------------------------------------------------------
1945 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1946 : mblume 1395 Date: 2003/09/26 16:05:00 CDT
1947 :     Tag: blume-20030926-wrappriv
1948 :     Description:
1949 :    
1950 :     Added missing wrapper for privilege "primitive" in $smlnj/viscomp/core.cm.
1951 :    
1952 :     ----------------------------------------------------------------------
1953 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1954 : mblume 1394 Date: 2003/09/26 15:00:00 CDT
1955 :     Tag: blume-20030926-110_43_3
1956 :     Description:
1957 :    
1958 :     - additional cleanup
1959 :     - version number bump, NEW BOOTFILES
1960 :    
1961 :     ----------------------------------------------------------------------
1962 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1963 : mblume 1393 Date: 2003/09/26 12:00:00 CDT
1964 :     Tag: blume-20030926-ppautoload
1965 :     Description:
1966 :    
1967 :     I modified the read-eval-print loop so that the autoloader gets
1968 :     invoked whenever the prettyprinter tries to look up a symbol that
1969 :     is not currently defined in the toplevel environment but which
1970 :     appears in CM's autoload registry. As a result, we see far fewer of
1971 :     those ?.Foo.Bar.xxx names in the prettyprinter's output.
1972 :    
1973 :     In addition to this I tried to clean up some pieces of the Basis
1974 :     implementation (e.g., Socket, Word8Array) in order to prevent other
1975 :     instances of these ?.Foo.Bar.xxx names from being printed.
1976 :    
1977 :     The mechanism that picks names for types still needs some work, though.
1978 :     (Right now it seems that if there is a type A.t which is defined to
1979 : mblume 1394 be B.u, but B is unavailable at toplevel, then A.t gets printed as
1980 :     "?.B.u" although the perhaps more sensible solution would be to use
1981 : mblume 1393 "A.t" in this case. In other words, the prettyprinter should follow
1982 :     a chain of DEFtycs not farther than there are corresponding toplevel
1983 :     names in the current environment.)
1984 :    
1985 :     ----------------------------------------------------------------------
1986 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1987 : mblume 1391 Date: 2003/09/24 16:31:00 CDT
1988 :     Tag: blume-20030924-installer
1989 :     Description:
1990 :    
1991 :     Another installer tweak: All the ML code for the installer is now
1992 :     compiled during CMB.make and put into a little library called
1993 :     $smlnj/installer.cm. The installation then simply invokes
1994 :    
1995 :     sml -m $smlnj/installer.cm
1996 :    
1997 :     and everything happens automagically.
1998 :    
1999 :     Win32: ML code senses value of environment variable SMLNJ_HOME.
2000 :     Unix: ML code senses values of environment variables ROOT, CONFIGDIR,
2001 :     and BINDIR.
2002 :    
2003 :     The new scheme guarantees that the ML code responsible for the installation
2004 :     is in sync with the APIs of the main system. Also, the installer is
2005 :     somewhat faster because the installer script is precompiled.
2006 :    
2007 :     ----------------------------------------------------------------------
2008 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2009 : mblume 1390 Date: 2003/09/24 15:35:00 CDT
2010 :     Tag: blume-20030924-synsock
2011 :     Description:
2012 :    
2013 :     Added a signature SYNCHRONOUS_SOCKET to basis.cm. This is like SOCKET
2014 :     but excludes all non-blocking operations. Defined SOCKET (in Basis)
2015 :     and CML_SOCKET in terms of SYNCHRONOUS_SOCKET. Removed superfluous
2016 :     implementations of non-blocking operations from CML's Socket
2017 :     structure.
2018 :    
2019 :     ----------------------------------------------------------------------
2020 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2021 : mblume 1389 Date: 2003/09/24 15:10:05 CDT
2022 :     Tag: blume-20030924-sockets
2023 :     Description:
2024 :    
2025 :     1. Fixed SOCKET API and implementation to match Basis spec.
2026 :     This required changing the internal representation of sockets to one
2027 :     that remembers (for each socket file descriptor) whether it is currently
2028 :     blocking or non-blocking. This state is maintained lazily (i.e., a system
2029 :     call is made only if the state actually needs to change).
2030 :    
2031 :     2. OS-specific details of sockets were moved into separate files, thus
2032 :     making it possible to unify the bulk of the socket implementations
2033 :     between Unix and Win32.
2034 :    
2035 :     3. CML's socket API changed accordingly.
2036 :     (Note that we need to remove non-blocking functions from this API
2037 :     since they are redundant in the case of CML!)
2038 :    
2039 :     4. CML's socket implementation now makes use of non-blocking functions
2040 :     provided by Basis, thus removing all OS-dependent code from this part
2041 :     of CML.
2042 :    
2043 :     5. Changed Real64.precision from 52 to 53. Minor cleanup in Real64 code.
2044 :    
2045 :     ----------------------------------------------------------------------
2046 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2047 : mblume 1387 Date: 2003/09/22 12:10:00 CDT
2048 : mblume 1388 Tag: blume-20030922-110_43_2
2049 : mblume 1387 Description:
2050 :    
2051 :     Made a new interim version and bootfiles for developer's bootstrapping
2052 :     convenience.
2053 :    
2054 :     110.43.2 -- NEW BOOTFILES
2055 :    
2056 :     ----------------------------------------------------------------------
2057 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2058 : mblume 1385 Date: 2003/09/19 15:55:00 CDT
2059 :     Tag: blume-20030919-cmdir
2060 :     Description:
2061 :    
2062 :     1. new-install.sh -> install.sh
2063 :     2. changed default CM "metadata" directory name to ".cm" (instead of "CM")
2064 :     3. tweaked installer so that another name instead of .cm can be chosen
2065 :     at install time (by setting the CM_DIR_ARC environment variable
2066 :     during installation); once installation is complete, the name is
2067 :     fixed
2068 :    
2069 :     ----------------------------------------------------------------------
2070 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2071 : mblume 1384 Date: 2003/09/18 16:00:00 CDT
2072 :     Tag: blume-20030918-110_43_1
2073 :     Description:
2074 :    
2075 :     Made a new interim version and bootfiles for developer's bootstrapping
2076 :     convenience.
2077 :    
2078 :     110.43.1 -- NEW BOOTFILES
2079 :    
2080 :     ----------------------------------------------------------------------
2081 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2082 : mblume 1383 Date: 2003/09/18 15:20:00 CDT
2083 :     Tag: blume-20030918-misc
2084 :     Description:
2085 :    
2086 :     1. Exported fractionsPerSecond etc. from TimeImp (but not from Time as
2087 :     this seems to be controversial at the moment) and used those in
2088 :     Posix.ProcEnv.times.
2089 :    
2090 :     2. Added Time.{from,to}Nanoseconds to Time.
2091 :    
2092 :     3. Improved Real.{from,to}LargeInt by avoiding needless calculations.
2093 :     For example, fromLargeInt never needs to look at more than 3 "big
2094 :     digits" to get its 53 bits of precision.
2095 :    
2096 :     ----------------------------------------------------------------------
2097 : mblume 1384 Name: Matthias Blume (blume (at) tti - c (dot) org)
2098 : mblume 1381 Date: 2003/09/17 16:30:00 CDT
2099 :     Tag: blume-20030917-real32-slices
2100 :     Description:
2101 :    
2102 :     Added an entry to the primitive environment
2103 :     (compiler/Semant/statenv/prim.sml) for int32->real64 conversion and
2104 :     added code to compiler/CodeGen/main/mlriscGen.sml to implement it.
2105 :    
2106 :     Removed some of the "magic" constants in real64.sml and replaced them
2107 :     with code that generates these values from their corresponding
2108 :     integer counterparts.
2109 :    
2110 :     Made all(?) the slice-related changes to the Basis and made everything
2111 :     compile again...
2112 :    
2113 :     ----------------------------------------------------------------------
2114 : mblume 1368 Name: Matthias Blume (blume (at) tti - c (dot) org)
2115 : mblume 1375 Date: 2003/09/15 17:45:00 CDT
2116 :     Tag: blume-20030915-rbase
2117 :     Description:
2118 :    
2119 :     Fixed bug in Real.fromLargeInt.
2120 :    
2121 :     ----------------------------------------------------------------------
2122 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2123 : mblume 1369 Date: 2003/09/13 18:11:00 CDT
2124 :     Tag: blume-20030913-libinstall
2125 :     Description:
2126 :    
2127 :     Minor bugfix in config/libinstall (set anchor with path to
2128 :     standalone tool after installing it, otherwise libraries that
2129 :     need ml-lex or ml-yacc won't compile the first time the installer
2130 :     runs).
2131 :    
2132 :     ----------------------------------------------------------------------
2133 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2134 : mblume 1368 Date: 2003/09/12 11:45:00 CDT
2135 :     Tag: blume-20030912-various
2136 :     Description:
2137 :    
2138 :     - fixed bug in Real.toLargeInt
2139 :     - fixed bug in Posix.ProcEnv.times
2140 :     - changed inputLine functions to return an option
2141 :     - minor installer improvements / bugfixes
2142 :     - changed default @SMLalloc parameter for x86/celeron to 64k
2143 :    
2144 :     ----------------------------------------------------------------------
2145 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2146 : mblume 1356 Date: 2003/09/09 22:00:00 CDT
2147 :     Tag: Release_110_43
2148 :     Description:
2149 :    
2150 :     New working release 110.43. New bootfiles.
2151 :    
2152 :     ----------------------------------------------------------------------
2153 : mblume 1368 Name: Matthias Blume (blume (at) tti - c (dot) org)
2154 : mblume 1354 Date: 2003/09/09 19:20:00 CDT
2155 :     Tag: blume-20030909-installer
2156 :     Description:
2157 :    
2158 :     Rewrote large parts of config/install.sh in SML (config/libinstall.sml).
2159 :     Modified config/install.bat to take advantage of it. Also modified
2160 :     config/install.sh (and called it config/new-install.sh) to take advantage
2161 :     of it on Unix systems. (The SML code is (supposed to be) platform-
2162 :     independent.)
2163 :    
2164 :     The installer can now install everything under Win32
2165 :     as well as under *nix as long as it compiles.
2166 :    
2167 :     Other changes:
2168 :    
2169 :     - made CML compile again under Win32
2170 :     - made eXene compile under Win32 (by providing a fake structure UnixSock
2171 :     and by using OS.Process.getEnv instead of Posix.ProcEnv.getenv)
2172 :     - fixed a bug in nowhere: it assumed that type OS.Process.status is the
2173 :     same as type int; under Win32 it isn't
2174 :     - fixed some slice-related problems in the win32-specific parts of CML
2175 :     - added a functor argument "sameVol" to os-path-fn.sml in the Basis
2176 :     (under Win32, the volume name is case-insensitive, and the
2177 :     OS.Path code compares volume names for equality)
2178 :    
2179 :     ----------------------------------------------------------------------
2180 : mblume 1368 Name: Matthias Blume (blume (at) tti - c (dot) org)
2181 : mblume 1353 Date: 2003/09/08 11:55:00 CDT
2182 :     Tag: blume-20030908-fullpath
2183 :     Description:
2184 :    
2185 :     Made Win32 version of OS.FileSys.fullPath return current directory
2186 :     when given an empty string. This is what the spec says, and incidentally,
2187 :     CM depends on it. (CM otherwise goes into an infinite loop in certain
2188 :     cases when presented with the name of a non-existing .cm file.)
2189 :    
2190 :     ----------------------------------------------------------------------
2191 : mblume 1368 Name: Matthias Blume (blume (at) tti - c (dot) org)
2192 : mblume 1350 Date: 2003/09/04 16:30:00 CDT
2193 : mblume 1352 Tag: blume-20030905-slices-etc
2194 : mblume 1350 Description:
2195 :    
2196 :     1. Changed interface to vectors and arrays in Basis to match
2197 :     (draft) Basis spec.
2198 :     2. Added signatures and implementations of slices according to
2199 :     Basis spec.
2200 :     3. Edited source code throughout the system to make it compile again
2201 :     under 1. and 2. (In some cases code had to be added to have it
2202 :     match the new signatures.)
2203 :     4. MLRISC should be backward-compatible: the copies of the originals
2204 :     of files that needed to change under 3. were retained, the .cm files
2205 :     check the compiler version number and use old versions when
2206 :     appropriate.
2207 :     5. Changed type of OS.FileSys.readDir and Posix.FileSys.readdir to
2208 :     dirstream -> string option (in accordance with Basis spec).
2209 :     6. When generating code that counts lines, ml-lex used function
2210 :     CharVector.foldli, taking advantage of its old interface.
2211 :     This has been replaced with the corresponding code from
2212 :     CharVectorSlice. (html-lex must be re-lexed!)
2213 :     7. BitArray in smlnj-lib/Util has been extended/modified to match the
2214 :     new MONO_ARRAY signature. (Do we need BitArraySlice?)
2215 :     8. Removed temporary additions (fromInternal, toInternal) from the
2216 :     (now obsolete) IntInf in smlnj-lib/Util.
2217 :     9. Cleaned up structure Byte.
2218 :     10. Added localOffset, scan, and fromString to Date (according to spec).
2219 :     Cleaned/corrected implementation of Date.
2220 :     (Still need to check for correctness; implement better canonicalizeDate.)
2221 :     11. Added "scan" to signature IEEE_REAL.
2222 :     12. Some improvements to IntInf [in particular: efficiency-hack for
2223 :     mod and rem when second operand is 2 (for parity checks).]
2224 :     13. Changed representation of type Time.time, using a single IntInf.int
2225 :     value counting microseconds. This considerably simplified the
2226 :     implementation of structure Time. We now support negative time
2227 :     values; scan and fromString handle signs.
2228 :     14. Functor PrimIO now takes two additional arguments (VectorSlice and
2229 :     ArraySlice).
2230 :    
2231 :     ----------------------------------------------------------------------
2232 : mblume 1368 Name: Matthias Blume (blume (at) tti - c (dot) org)
2233 : mblume 1347 Date: 2003/08/28 17:00:00 CDT
2234 :     Tag: blume-20030828-intinf
2235 :     Description:
2236 :    
2237 :     This is a major update which comes with a version number bump
2238 :     (110.42.99 -- yes, we are really close to 110.43 :-), NEW BOOTFILES,
2239 :     and an implementation of IntInf in the Basis.
2240 :    
2241 :     There are a fairly large number of related changes and updates throughout
2242 :     the system:
2243 :    
2244 :     Basis:
2245 :     - Implemented IntInf.
2246 :     - Made LargeInt a projection of IntInf (by filtering through INTEGER).
2247 : mblume 1348 - Added some missing Real64 operations, most notably Real.toLargeInt.
2248 : mblume 1347 - Added FixedInt as a synonym for Int32.
2249 :    
2250 :     compiler:
2251 :     * Added support for a built-in intinf type.
2252 :     - literals
2253 :     - pattern matching
2254 :     - conversion shortcuts (Int32.fromLarge o Int.toLarge etc.)
2255 :     - overloading on literals and operations
2256 :    
2257 :     This required adding a primitive type intinf, some additional
2258 :     primops, and implementations for several non-trivial intinf
2259 :     operations in Core. (The intinf type is completely abstract
2260 :     to the compiler; all operations get delegated back to the Core.)
2261 :    
2262 :     * Intinf equality is handled by polyequal. However, the compiler
2263 :     does not print its usual warning in this case (since polyequal
2264 :     is the right thing to do there).
2265 :    
2266 :     * Improved the organization of structure InlineT.
2267 :    
2268 :     * A word about conversion primops:
2269 :     If conversions involving intinf do not cancel out during
2270 : mblume 1348 CPS contract, then the compiler must insert calls to Core functions.
2271 : mblume 1347 Since all core access must be resolved already during the FLINT
2272 :     translate phase, it would be too late a the time of CPS contract
2273 : mblume 1348 to add new Core calls. For this reason, conversion primops
2274 : mblume 1347 for intinf carry two arguments: 1. the numeric argument that
2275 :     they are supposed to convert, and 2. the Core function that
2276 :     can help with this conversion if necessary. If CPS contract
2277 : mblume 1348 eliminates a primop, then the associated Core function becomes
2278 :     dead and goes away. Intinf conversion primops that do not get
2279 :     eliminated by CPS contract get rewritten into calls of their
2280 :     core functions by a separate, new phase.
2281 : mblume 1347
2282 :     interactive system:
2283 :     - Control.Print.intinfDepth controls max length of intinf constants
2284 :     being printed. (Analogous to Control.Print.stringDepth.)
2285 :     - Cleanup in printutil and pputil: got rid of unused stuff and
2286 :     duplicates; replaced some of the code with code that makes better
2287 :     use of library functionality.
2288 :    
2289 :     CM:
2290 :     Bugfix: parse-errors in init group (system/smlnj/init/init.cmi)
2291 :     are no longer silent.
2292 :    
2293 :     CKIT:
2294 :     Fixed mismatched uses of Int32 and LargeInt. I always decided
2295 :     in favor of LargeInt -- which is now the same as IntInf.
2296 :     CKIT-knowledgable people should check whether this is what's
2297 :     intended and otherwise change things back to using Int32 or
2298 :     FixedInt.
2299 :    
2300 :     Throughout the code:
2301 : mblume 1348 Started using IntInf.int literals and built-in operations
2302 : mblume 1347 (e.g., comparison with 0) where this seems appropriate.
2303 :    
2304 :    
2305 :     ----------------------------------------------------------------------
2306 : macqueen 1343 Name: Dave MacQueen (dbm@cs.uchicago.edu)
2307 :     Date: 2003/08/13 11:36:00 CDT
2308 :     Tag: dbm-20030813-mcz-merge1
2309 :     Description:
2310 :    
2311 :     Merging changes from the mcz-branch development branch into trunk.
2312 :     These changes involve replacement of the emulated old prettyprinter
2313 :     interface with direct use of the SML/NJ Lib PP library, and fixing
2314 :     of a couple of bugs (895, 1186) relating to error messages. A new
2315 :     prettyprinter for ast datatypes (Elaborator/print/ppast.{sig,sml})
2316 :     has been added.
2317 :    
2318 :     ----------------------------------------------------------------------
2319 : mblume 1368 Name: Matthias Blume (blume (at) tti - c (dot) org)
2320 : mblume 1342 Date: 2003/08/11 15:45:00 CDT
2321 :     Tag: blume-20030811-windows
2322 :     Description:
2323 :    
2324 :     Version number bumped to 110.42.9. NEW BOOTFILES!!!
2325 :    
2326 :     http://smlnj.cs.uchicago.edu/dist/working/110.42.9/
2327 :    
2328 :     This patch restores SML/NJ's ability to run under win32. There are a
2329 :     number of changes, including fixes for several bugs that had gone
2330 :     unnoticed until now:
2331 :    
2332 :     - uname "CYGWIN_NT*" is recognized as win32 (This is relevant only when
2333 :     trying to run the win32 version from within cygwin.)
2334 :    
2335 :     - There are a number of simple .bat scripts that substitute for their
2336 :     corresponding Unix shell-scripts. (See below.)
2337 :    
2338 :     - The internals of ml-build have been modified slightly. The main
2339 :     difference is that instead of calling ".link-sml" (or link-sml.bat)
2340 :     using OS.Process.system, the ML process delegates this task back
2341 :     to the script. Otherwise problems arise in mixed environments such
2342 :     as Cygwin where scripts look and work like Unix scripts, but
2343 :     where OS.Process.system cannot run them.
2344 :    
2345 :     - In CM, the srcpath pickler used native pathname syntax -- which
2346 :     is incorrect in the case of cross-compilation. The new pickle format
2347 :     is independent of platform-specific naming conventions.
2348 :    
2349 :     - Path configuration files (such as lib/pathconfig) can now choose
2350 :     between native and standard syntax. Placing a line of the form
2351 :    
2352 :     standard!
2353 :    
2354 :     into the file causes all subsequent paths to be interpreted using
2355 :     CM standard pathname syntax (= Unix conventions); a line
2356 :    
2357 :     native!
2358 :    
2359 :     switches back to native style. This was needed so that
2360 :     path config files can be written portably, see src/system/pathconfig.
2361 :    
2362 :     - Runtime system:
2363 :    
2364 :     - win32-filesys.c: get_file_time and set_file_time now
2365 :     access modification time, not creation time.
2366 :    
2367 :     - I/O code made aware of new array representation.
2368 :    
2369 :     - Bug fixes in X86.prim.masm.
2370 :    
2371 :     - src/system/makeml made aware of win32. (For use under cygwin
2372 :     and other Unix-environments for windows.)
2373 :    
2374 :     - In Basis, fixed off-by-one error in win32-io.sml (function vecF)
2375 :     which caused BinIO.inputAll to fail consistently.
2376 :    
2377 :     .bat scripts:
2378 :    
2379 :     Windows .bat scripts assume that SMLNJ_HOME is defined.
2380 :    
2381 :     - sml.bat, ml-yacc.bat, ml-lex.bat: Driver scripts for standalone
2382 :     applications (sml, ml-yacc, ml-lex).
2383 :     - ml-build.bat: analogous to ml-build.
2384 :     - config\install.bat: Analogous to config/install.sh. This requires
2385 :     that SMLNJ_HOME is set and that Microsoft Visual C is ready to use.
2386 :     (nmake etc. must be on the path, and vcvars32 must have been run.)
2387 :     Moreover, sources for ml-lex and ml-yacc need to exist under src,
2388 :     and the bootfile hierarchy must have been unpacked under
2389 :     sml.boot.x86-win32.
2390 :     The script is very primitive and does a poor job at error checking.
2391 :     It only installs the base system, ml-lex, and ml-yacc. No other
2392 :     libraries are being installed (i.e., you get only those that
2393 :     are part of the compiler.)
2394 :     - link-sml.bat: analogous to .link-sml, but not currently used
2395 :    
2396 :     Unrelated bug fixes:
2397 :    
2398 :     - ml-nlffigen now exports structures ST_* corresponding to incomplete
2399 :     types.
2400 :     - Added getDevice to PP/src/pp-debug-fn.sml. (Would not compile
2401 :     otherwise.)
2402 :    
2403 :     ----------------------------------------------------------------------
2404 : macqueen 1337 Name: Dave MacQueen (macqueen@cs.uchicago.edu)
2405 :     Date: 2003/06/17
2406 :     Tag: macqueen-20030617-bug895
2407 :     Description:
2408 :    
2409 :     Modified compiler/Elaborator/print/pptype.sml to fix bug 895.
2410 :     Tag will be used for new development branch (mcz-branch) for
2411 :     use by MacQueen, (Lucasz) Zairek, and (George) Cao at uchicago.
2412 :    
2413 :     ----------------------------------------------------------------------
2414 : mblume 1368 Name: Matthias Blume (blume (at) tti - c (dot) org)
2415 : mblume 1335 Date: 2003/05/27 16:55:00 CDT
2416 :     Tag: blume-20030527-polyeq
2417 :     Description:
2418 :    
2419 :     Tried to eliminated most cases of polymorphic equality.
2420 :    
2421 :     ----------------------------------------------------------------------
2422 : mblume 1368 Name: Matthias Blume (blume (at) tti - c (dot) org)
2423 : mblume 1334 Date: 2003/05/21 17:45:00 CDT
2424 :     Tag: blume-20030517-complete
2425 :     Description:
2426 :    
2427 :     Two changes:
2428 :    
2429 :     1. Added a flag for controlling whether non-exhaustive bindings will
2430 :     be treated as errors (default is false).
2431 :     2. Cleaned up the *entire* source tree so that CMB.make goes through
2432 :     without a single non-exhaustive match- or bind warning.
2433 :    
2434 :     ----------------------------------------------------------------------
2435 : mblume 1368 Name: Matthias Blume (blume (at) tti - c (dot) org)
2436 : mblume 1332 Date: 2003/05/17 10:20:00 CDT
2437 :     Tag: blume-20030517-absyn
2438 :     Description:
2439 :    
2440 :     1. Added cases for IF, WHILE, ANDALSO, and ORELSE to Absyn.
2441 :    
2442 :     This mainly affects the quality of error messages. However, some
2443 :     of the code is now more straightforward than before. (Treatment of
2444 :     the above four constructs in translate.sml is much simpler than
2445 :     the "macro-expansion" that was going on before. Plus, the mach-
2446 :     compiler no longer gets invoked just to be able to compile an
2447 :     if-expression.)
2448 :    
2449 :     2. The ErrorMsg.Error exception is now caught and absorbed by the
2450 :     interactive loop.
2451 :    
2452 :     ----------------------------------------------------------------------
2453 : allenleung 1327 Name: Allen Leung
2454 :     Date: 2003/05/16 13:05:00 CDT
2455 :     Tag: leunga-20030516-cygwin-runtime
2456 :     Description:
2457 :    
2458 :     Ported the runtime system to cygwin, which uses the unix
2459 :     x86-unix bin files. Missing/buggy features:
2460 :    
2461 :     o getnetbyname, getnetbyaddr: these functions seem to be missing in
2462 :     the Cygwin library.
2463 :     o Ctrl-C handling may be flaky.
2464 :     o Windows system calls and Windows I/O are not supported.
2465 :    
2466 :     A new set of binfiles is located at:
2467 :    
2468 :     http://www.dorsai.org/~leunga/boot.x86-unix.tgz
2469 :    
2470 :     This is only needed for bootstrapping the cygwin version of smlnj.
2471 :     Other x86 versions can use the existing binfiles.
2472 :    
2473 :     ----------------------------------------------------------------------
2474 : mblume 1317 Name: Matthias Blume
2475 :     Date: 2003/04/08 15:42:00 CDT
2476 :     Tag: blume-20030408-listpair
2477 :     Description:
2478 :    
2479 :     1. Added a target 'mlrisc' to installer.
2480 :    
2481 :     2. Added missing elements to structure ListPair.
2482 :    
2483 :     ----------------------------------------------------------------------
2484 : leunga 1296 Name: Allen Leung
2485 :     Date: 2003/01/07 10:40:00 EST
2486 :     Tag: leunga-20030107-int-rem
2487 :     Description:
2488 :    
2489 :     Fixed a bug in Int.rem(x,y) where y is a power of 2 on x86.
2490 :     The arguments to the SUBL instruction were swapped.
2491 :    
2492 :     ----------------------------------------------------------------------
2493 : blume 1229 Name: Matthias Blume
2494 : blume 1294 Date: 2002/12/12 16:25:00 EST
2495 :     Tag: blume-20021212-risc-ra
2496 :     Description:
2497 :    
2498 :     Fixed a serious bug in the rewrite code for FP spilling/reloading that
2499 :     sent the RA into an infinite loop when floating point registers get
2500 :     spilled. (Because of this bug, e.g., nucleic stopped compiling between
2501 :     110.37 and 110.38.)
2502 :     There was another set of potential problems related to the handling of
2503 :     MLRISC annotations (but those did not yet cause real problems, apparently).
2504 :    
2505 :     ----------------------------------------------------------------------
2506 :     Name: Matthias Blume
2507 : blume 1291 Date: 2002/12/06 22:40:00 EST
2508 :     Tag: blume-20021206-cm-fileid
2509 :     Description:
2510 :    
2511 :     Added a call of SrcPath.sync at the beginning of Parse.parse (in CM).
2512 :     This fixes the problem of CM getting confused by files that suddenly
2513 :     change their identity (e.g., by getting unlinked and recreated by some
2514 :     text editor such as vi). There might be a better/cheaper/cleaner way
2515 :     of doing this, but for now this will have to do.
2516 :    
2517 :     ----------------------------------------------------------------------
2518 :     Name: Matthias Blume
2519 : blume 1288 Date: 2002/10/28 09:50:00 EST
2520 :     Tag: blume-20021028-typecheck
2521 :     Description:
2522 :    
2523 :     Exported structure Typecheck from $smlnj/viscomp/core.cm.
2524 :    
2525 :     ----------------------------------------------------------------------
2526 :     Name: Matthias Blume
2527 : blume 1282 Date: 2002/10/17 09:10:00 EDT
2528 : blume 1279 Tag: Release_110_42
2529 :     Description:
2530 :    
2531 : blume 1282 In good old tradition, there has been a slight hiccup so that we have
2532 :     to patch 110.42 after the fact. The old release tag has been replaced
2533 :     (see below).
2534 :    
2535 :     The change solves a problem with two competing approaches the
2536 :     configuration problem regarding MacOS 10.1 vs. MacOS 10.2 which got in
2537 :     each other's way.
2538 :    
2539 :     This change only affects the runtime system code and the installer script.
2540 :     (No new bootfiles.)
2541 :    
2542 :     ----------------------------------------------------------------------
2543 :     Name: Matthias Blume
2544 :     Date: 2002/10/16 12:00:00 EDT
2545 :     Tag: Release_110_42_removed
2546 :     Description:
2547 :    
2548 : blume 1279 New working release. New bootfiles.
2549 :    
2550 :     ----------------------------------------------------------------------
2551 :     Name: Matthias Blume
2552 : blume 1273 Date: 2002/10/10 13:10:00 EDT
2553 :     Tag: blume-20021010-ppc-divs
2554 :     Description:
2555 :    
2556 :     The mltree operator DIVS must be implemented with an overflow check on
2557 :     the PPC because the hardware indicates divide-by-zero using "overflow" as
2558 :     well.
2559 :    
2560 :     ----------------------------------------------------------------------
2561 :     Name: Matthias Blume
2562 : blume 1261 Date: 2002/07/23 11:45:00
2563 :     Tag: blume-20020723-smlnj-home
2564 :     Description:
2565 :    
2566 :     Sml now senses the SMLNJ_HOME environment variable. If this is set,
2567 :     then the bin dir is assumed to be in $SMLNJ_HOME/bin and (unless
2568 :     CM_PATHCONFIG is also set), the path configuration file is assumed
2569 :     to be in $SMLNJ_HOME/lib/pathconfig. This way one can easily move
2570 :     the entire tree to some other place and everything will "just work".
2571 :    
2572 :     (Companion commands such as ml-build and ml-makedepend also sense this
2573 :     variable.)
2574 :    
2575 :     ----------------------------------------------------------------------
2576 :     Name: Matthias Blume
2577 : blume 1259 Date: 2002/07/12 21:19:00 EDT
2578 :     Tag: blume-20020712-liveness
2579 :     Description:
2580 :    
2581 :     Exported two useful "step" functions from liveness module (MLRISC).
2582 :    
2583 :     ----------------------------------------------------------------------
2584 :     Name: Matthias Blume
2585 : blume 1253 Date: 2002/07/05 16:00 EDT
2586 :     Tag: Release_110_41
2587 :     Description:
2588 :    
2589 :     New working release. New bootfiles.
2590 :    
2591 :     ----------------------------------------------------------------------
2592 :     Name: Matthias Blume
2593 : blume 1250 Date: 2002/07/05 10:25:00 EDT
2594 :     Tag: blume-20020705-btimp
2595 :     Description:
2596 :    
2597 :     Exported structure BTImp from $smlnj/viscomp/debugprof.cm so that
2598 :     other clients can set up backtracing support.
2599 :    
2600 :     ----------------------------------------------------------------------
2601 :     Name: Matthias Blume
2602 : blume 1249 Date: 2002/06/25 17:23:00 EDT
2603 :     Tag: blume-20020625-fpmax
2604 :     Description:
2605 :    
2606 :     Fixed a bug in translation of INLMAX (and INLMIN) for the floating-point
2607 :     case. (The sense of the isNaN test was reversed -- which made min and
2608 :     max always return their first argument.)
2609 :    
2610 :     ----------------------------------------------------------------------
2611 :     Name: Matthias Blume
2612 : blume 1240 Date: 2002/06/11
2613 :     Tag: blume-20020611-unixpath
2614 :     Description:
2615 :    
2616 :     Back-ported OS.Path.{from,to}UnixPath from idlbasis-devel branch.
2617 :    
2618 :     ----------------------------------------------------------------------
2619 :     Name: Matthias Blume
2620 : blume 1238 Date: 2002/06/10 16:35:00 EDT
2621 :     Tag: blume-20020610-ieeereal
2622 :     Description:
2623 :    
2624 :     I back-ported my implementation of IEEEReal.fromString from the
2625 :     idlbasis-devel branch so that we can test it.
2626 :    
2627 :     Another small change is that ppDec tries to give more information
2628 :     than just "<sig>" in the case of functors. However, this code is
2629 :     broken in some mysterious way if the functor's body's signature
2630 :     has not been declared by ascription but gets inferred from the
2631 :     implementation. This needs fixing...
2632 :    
2633 :     ----------------------------------------------------------------------
2634 :     Name: Matthias Blume
2635 : blume 1229 Date: 2002/05/31
2636 :     Tag: blume-20020531-btrace-mode
2637 :     Description:
2638 :    
2639 :     Resurrected SMLofNJ.Internals.BTrace.mode. (It accidentally fell by
2640 :     the wayside when I switched over to using Controls everywhere.)
2641 :    
2642 :     ----------------------------------------------------------------------
2643 : george 1222 Name: Lal George
2644 :     Date: 2002/05/23 12:21:40 EDT
2645 :     Tag: george-20020523-visual-labels
2646 :     Description:
2647 :    
2648 :     Labels are now displayed in the graphical output to make
2649 :     the fall-through and target blocks obvious.
2650 :    
2651 :     ----------------------------------------------------------------------
2652 : blume 1204 Name: Matthias Blume
2653 : blume 1220 Date: 2002/05/22 11:03:00 EDT
2654 :     Tag: blume-20020522-shrink
2655 :     Description:
2656 :    
2657 :     John tweaked yesterday's fix for 1131 to handle an out-of-memory
2658 :     situation that comes up when allocating huge arrays.
2659 :    
2660 :     ----------------------------------------------------------------------
2661 :     Name: Matthias Blume
2662 : blume 1215 Date: 2002/05/21 16:00:00 EDT
2663 :     Tag: Release_110_40
2664 :     Description:
2665 :    
2666 :     New working release (110.40). New bootfiles.
2667 :    
2668 :     [Also: John Reppy fixed GC bug 1131.]
2669 :    
2670 :     ----------------------------------------------------------------------
2671 :     Name: Matthias Blume
2672 : blume 1212 Date: 2002/05/21 12:35:00 EDT
2673 :     Tag: blume-20020521-cmdoc
2674 :     Description:
2675 :    
2676 :     CM documentation update.
2677 :    
2678 :     ----------------------------------------------------------------------
2679 :     Name: Matthias Blume
2680 : blume 1211 Date: 2002/05/21 10:55:00 EDT
2681 :     Tag: blume-20020521-misc
2682 :     Description:
2683 :    
2684 :     - John tweaked runtime to be silent on heap export (except when
2685 :     GC messages are on).
2686 :     - I added a few more things (cross-compiling versions of CMB) to
2687 :     config/preloads (as suggestions).
2688 :    
2689 :     ----------------------------------------------------------------------
2690 :     Name: Matthias Blume
2691 : blume 1208 Date: 2002/05/20 22:25:00 EDT
2692 :     Tag: blume-20020520-controls
2693 :     Description:
2694 :    
2695 :     - Added ControlUtil structure to control-lib.cm.
2696 :     - Use it throughout.
2697 :     - Used Controls facility to define MLRISC controls (as opposed to
2698 :     registering MLRISC control ref cells with Controls after the fact)
2699 :     - Fixed messed-up controls priorities.
2700 :    
2701 :     * Removed again all the stuff from config/preloads that one wouldn't
2702 :     be able to preload at the time the initial heap image is built.
2703 :     (Many libraries, e.g., CML, do not exist yet at this time. The
2704 :     only libraries that can be preloaded via config/preloads are those
2705 :     that come bundled with the bootfiles.)
2706 :    
2707 :     ----------------------------------------------------------------------
2708 :     Name: Matthias Blume
2709 : blume 1204 Date: 2002/05/20 10:59:00 EDT
2710 :     Tag: blume-20020520-preloads
2711 :     Description:
2712 :    
2713 :     Added a lot of commented-out suggestions for things to be included
2714 :     in config/preloads.
2715 :    
2716 :     ----------------------------------------------------------------------
2717 : leunga 1203 Name: Allen Leung
2718 :     Date: 2002/05/18 14:20:00 EDT
2719 :     Tag: leunga-20020518-mdl
2720 :     Description:
2721 :    
2722 :     o Made the mdl tool stuff compile and run again.
2723 :     o I've disabled all the stuff that depends on RTL specifications; they
2724 :     are all badly broken anyway.
2725 :    
2726 :     ----------------------------------------------------------------------
2727 : blume 1201 Name: Matthias Blume
2728 :     Date: 2002/05/17 16:49:00 EDT
2729 :     Tag: blume-20020517-controls
2730 :     Description:
2731 :    
2732 :     0. John Reppy made several modifications to the SML/NJ library.
2733 :     In particular, there is a shiny new controls-lib.cm.
2734 :    
2735 :     1. Pushed new controls interface through compiler so that everything
2736 :     compiles again.
2737 :    
2738 :     2. Added FormatComb and FORMAT_COMB to the CML version of the
2739 :     SML/NJ library (so that CML compiles again).
2740 :    
2741 :     3. Modified init scripts because XXX_DEFAULT environment variables
2742 :     are no longer with us. (Boot-time initialization is now done
2743 :     using the same environment variables that are also used for
2744 :     startup-time initialization of controls.)
2745 :    
2746 :     ----------------------------------------------------------------------
2747 : george 1192 Name: Lal George
2748 :     Date: 2002/05/15 09:20:10 EDT
2749 :     Tag: george-20020515-pseudo-op-decls
2750 :     Description:
2751 :    
2752 :     All pseudo-ops emitted before the first segment declaration
2753 :     such as TEXT, DATA, and BSS directives are assumed to be global
2754 :     declarations and are emitted first in the assembly file. This is
2755 :     useful in a number of situations where one has pseudo-ops that are not
2756 :     specific to any segment, and also works around the constraint that one
2757 :     cannot have client pseudo-ops in the TEXT segment.
2758 :    
2759 :     Because no segment is associated with these declarations it is
2760 :     an error to allocate any space or objects before the first segment
2761 :     directive and an exception will be raised. However, we cannot make
2762 :     this check for client pseudo-ops.
2763 :    
2764 :     These top level declarations are a field in the CFG graph_info.
2765 :     In theory you can continue to add to this field after the CFG has been
2766 :     built -- provided you know what you are doing;-)
2767 :    
2768 :     ----------------------------------------------------------------------
2769 : blume 1175 Name: Matthias Blume
2770 : blume 1190 Date: 2002/05/13 16:40:00 EDT
2771 :     Tag: blume-20020513-pp-etc
2772 :     Description:
2773 :    
2774 :     A few minor bugfixes:
2775 :    
2776 :     - Stopgap measure for bug recently reported by Elsa Gunter (ppDec).
2777 :     (Bogus printouts for redefined bindings still occur. Compiler
2778 :     bug should no longer occur now. We need to redo the prettyprinter
2779 :     from scratch.)
2780 :    
2781 :     - CM pathname printer now also adds escape sequences for ( and )
2782 :    
2783 :     - commend and docu fixes for ml-nlffi
2784 :    
2785 :     ----------------------------------------------------------------------
2786 :     Name: Matthias Blume
2787 : blume 1189 Date: 2002/05/10 16:40:00 EDT
2788 :     Tag: blume-20020510-erg-textio
2789 :     Description:
2790 :    
2791 :     Applied the following bugfix provided by Emden Gansner:
2792 :    
2793 :     Output is corrupted when outputSubstr is used rather than output.
2794 :    
2795 :     The problem occurs when a substring
2796 :    
2797 :     ss = (s, dataStart, dataLen)
2798 :    
2799 :     where dataStart > 0, fills a stream buffer with avail bytes left.
2800 :     avail bytes of s, starting at index dataStart, are copied into the
2801 :     buffer, the buffer is flushed, and then the remaining dataLen-avail
2802 :     bytes of ss are copied into the beginning of the buffer. Instead of
2803 :     starting this copy at index dataStart+avail in s, the current code
2804 :     starts the copy at index avail.
2805 :    
2806 :     Fix:
2807 :     In text-io-fn.sml, change line 695 from
2808 :     val needsFlush = copyVec(v, avail, dataLen-avail, buf, 0)
2809 :     to
2810 :     val needsFlush = copyVec(v, dataStart+avail, dataLen-avail, buf, 0)
2811 :    
2812 :     ----------------------------------------------------------------------
2813 :     Name: Matthias Blume
2814 : blume 1186 Date: 2002/04/12 13:55:00 EDT
2815 :     Tag: blume-20020412-assyntax
2816 :     Description:
2817 :    
2818 :     1. Grabbed newer assyntax.h from the XFree86 project.
2819 :     2. Fiddled with how to compile X86.prim.asm without warnings.
2820 :     3. (Very) Minor cleanup in CM.
2821 :    
2822 :     ----------------------------------------------------------------------
2823 :     Name: Matthias Blume
2824 : blume 1185 Date: 2002/04/01 (no joke!) 17:07:00 EST
2825 :     Tag: blume-20020401-x86div
2826 :     Description:
2827 :    
2828 :     Added full support for div/mod/rem/quot on the x86, using the machine
2829 :     instruction's two results (without clumsily recomputing the remainder)
2830 :     directly where appropriate.
2831 :    
2832 :     Some more extensive power-of-two support was added to the x86 instruction
2833 :     selector (avoiding expensive divs, mods, and muls where they can be
2834 :     replaced with cheaper shifts and masks). However, this sort of thing
2835 :     ought to be done earlier, e.g., within the CPS optimizer so that
2836 :     all architectures benefit from it.
2837 :    
2838 :     The compiler compiles to a fixed point, but changes might be somewhat
2839 :     fragile nevertheless. Please, report any strange things that you might
2840 :     see wrt. div/mod/quot/rem...
2841 :    
2842 :     ----------------------------------------------------------------------
2843 :     Name: Matthias Blume
2844 : blume 1184 Date: 2002/03/29 17:22:00
2845 :     Tag: blume-20020329-div
2846 :     Description:
2847 :    
2848 :     Fixed my broken div/mod logic. Unfortunately, this means that the
2849 :     inline code for div/mod now has one more comparison than before.
2850 :     Fast paths (quotient > 0 or remainder = 0) are not affected, though.
2851 :     The problem was with quotient = 0, because that alone does not tell
2852 :     us which way the rounding went. One then has to look at whether
2853 :     remainder and divisor have the same sign... :(
2854 :    
2855 :     Anyway, I replaced the bootfiles with fresh ones...
2856 :    
2857 :     ----------------------------------------------------------------------
2858 :     Name: Matthias Blume
2859 : blume 1183 Date: 2002/03/29 14:10:00 EST
2860 :     Tag: blume-20020329-inlprims
2861 :     Description:
2862 :    
2863 :     NEW BOOTFILES!!! Version number bumped to 110.39.3.
2864 :    
2865 :     Primops have changed. This means that the bin/boot-file formats have
2866 :     changed as well.
2867 :    
2868 :     To make sure that there is no confusion, I made a new version.
2869 :    
2870 :    
2871 :     CHANGES:
2872 :    
2873 :     * removed REMT from mltree (remainder should never overflow).
2874 :    
2875 :     * added primops to deal with divisions of all flavors to the frontend
2876 :    
2877 :     * handled these primops all the way through so they map to their respective
2878 :     MLRISC support
2879 :    
2880 :     * used these primops in the implementation of Int, Int32, Word, Word32
2881 :    
2882 :     * removed INLDIV, INLMOD, and INLREM as they are no longer necessary
2883 :    
2884 :     * parameterized INLMIN, INLMAX, and INLABS by a numkind
2885 :    
2886 :     * translate.sml now deals with all flavors of INL{MIN,MAX,ABS}, including
2887 :     floating point
2888 :    
2889 :     * used INL{MIN,MAX,ABS} in the implementation of Int, Int32, Word, Word32,
2890 :     and Real (but Real.abs maps to a separate floating-point-only primop)
2891 :    
2892 :    
2893 :     TODO items:
2894 :    
2895 :     * Hacked Alpha32 instruction selection, disabling the selection of REMx
2896 :     instructions because the machine instruction encoder cannot handle
2897 :     them. (Hppa, PPC, and Sparc instruction selection did not handle
2898 :     REM in the first place, and REM is supported by the x86 machine coder.)
2899 :    
2900 :     * Handle DIV and MOD with DIV_TO_NEGINF directly in the x86 instruction
2901 :     selection phase. (The two can be streamlined because the hardware
2902 :     delivers both quotient and remainder at the same time anyway.)
2903 :    
2904 :     * Think about what to do with "valOf(Int32.minInt) div ~1" and friends.
2905 :     (Currently the behavior is inconsistent both across architectures and
2906 :     wrt. the draft Basis spec.)
2907 :    
2908 :     * Word8 should eventually be handled natively, too.
2909 :    
2910 :     * There seems to be one serious bug in mltree-gen.sml. It appears, though,
2911 :     as if there currently is no execution path that could trigger it in
2912 :     SML/NJ. (The assumptions underlying functions arith and promotable do not
2913 :     hold for things like multiplication and division.)
2914 :    
2915 :     ----------------------------------------------------------------------
2916 :     Name: Matthias Blume
2917 : blume 1181 Date: 2002/03/27 16:27:00 EST
2918 :     Tag: blume-20020327-mlrisc-divisions
2919 :     Description:
2920 :    
2921 :     Added support for all four division operations (ML's div, mod, quot,
2922 :     and rem) to MLRISC. In the course of doing so, I also rationalized
2923 :     the naming (no more annoying switch-around of DIV and QUOT), by
2924 :     parameterizing the operation by div_rounding_mode (which can be either
2925 :     DIV_TO_ZERO or DIV_TO_NEGINF).
2926 :    
2927 :     The generic MLTreeGen functor takes care of compiling all four
2928 :     operations down to only round-to-zero div.
2929 :    
2930 :     Missing pieces:
2931 :    
2932 :     * Doing something smarter than relying on MLTreeGen on architectures
2933 :     like, e.g., the x86 where hardware division delivers both quotient and
2934 :     remainder at the same time. With this, the implementation of the
2935 :     round-to-neginf operations could be further streamlined.
2936 :    
2937 :     * Remove inlining support for div/mod/rem from the frontend and replace it
2938 :     with primops that get carried through to the backend. Do this for all
2939 :     int and word types.
2940 :    
2941 :     ----------------------------------------------------------------------
2942 :     Name: Matthias Blume
2943 : blume 1180 Date: 2002/03/25 17:25:00 EST
2944 :     Tag: blume-20020325-divmod
2945 :     Description:
2946 :    
2947 :     I improved (hopefully without breaking them) the implementation of Int.div,
2948 :     Int.mod, and Int.rem. For this, the code in translate.sml now takes
2949 :     advantage of the following observations:
2950 :    
2951 :     Let q = x quot y r = x rem y
2952 :     d = x div y m = x mod y
2953 :    
2954 :     where "quot" is the round-to-zero version of integer division that
2955 :     hardware usually provides. Then we have:
2956 :    
2957 :     r = x - q * y where neither the * nor the - will overflow
2958 :     d = if q >= 0 orelse x = q * y then q else q - 1
2959 :     where neither the * nor the - will overflow
2960 :     m = if q >= 0 orelse r = 0 then r else r + y
2961 :     where the + will not overflow
2962 :    
2963 :     This results in substantial simplification of the generated code.
2964 :     The following table shows the number of CFG nodes and edges generated
2965 :     for
2966 :     fun f (x, y) = x OPER y
2967 :     (* with OPER \in div, mod, quot, rem *)
2968 :    
2969 :    
2970 :     OPER | nodes(old) | edges(old) | nodes(new) | edges(new)
2971 :     --------------------------------------------------------
2972 :     div | 24 | 39 | 12 | 16
2973 :     mod | 41 | 71 | 12 | 16
2974 :     quot | 8 | 10 | 8 | 10
2975 :     rem | 10 | 14 | 8 | 10
2976 :    
2977 :    
2978 :     ----------------------------------------------------------------------
2979 :     Name: Matthias Blume
2980 : blume 1179 Date: 2002/03/25 22:06:00 EST
2981 :     Tag: blume-20020325-cprotobug
2982 :     Description:
2983 :    
2984 :     Fixed a bug in cproto (c prototype decoder).
2985 :    
2986 :     ----------------------------------------------------------------------
2987 :     Name: Matthias Blume
2988 : blume 1178 Date: 2002/03/25 16:00:00 EST
2989 :     Tag: blume-20020325-raw-primops
2990 :     Description:
2991 :    
2992 :     I did some cleanup to Allen's new primop code and
2993 :     replaced yesterday's bootfiles with new ones.
2994 :     (But they are stored in the same place.)
2995 :    
2996 :     ----------------------------------------------------------------------
2997 :     Name: Matthias Blume
2998 : blume 1175 Date: 2002/03/24 22:40:00 EST
2999 :     Tag: blume-20020324-bootfiles
3000 :     Description:
3001 :    
3002 :     Made the bootfiles that Allen asked for.
3003 :    
3004 :     ----------------------------------------------------------------------
3005 : leunga 1174 Name: Allen Leung
3006 :     Date: 2002/03/23 15:50:00 EST
3007 :     Tag: leunga-20020323-flint-cps-rcc-primops
3008 :     Description:
3009 :    
3010 :     1. Changes to FLINT primops:
3011 :    
3012 :     (* make a call to a C-function;
3013 :     * The primop carries C function prototype information and specifies
3014 :     * which of its (ML-) arguments are floating point. C prototype
3015 :     * information is for use by the backend, ML information is for
3016 :     * use by the CPS converter. *)
3017 :     | RAW_CCALL of { c_proto: CTypes.c_proto,
3018 :     ml_args: ccall_type list,
3019 :     ml_res_opt: ccall_type option,
3020 :     reentrant : bool
3021 :     } option
3022 :     (* Allocate uninitialized storage on the heap.
3023 :     * The record is meant to hold short-lived C objects, i.e., they
3024 :     * are not ML pointers. With the tag, the representation is
3025 :     * the same as RECORD with tag tag_raw32 (sz=4), or tag_fblock (sz=8)
3026 :     *)
3027 :     | RAW_RECORD of {tag:bool,sz:int}
3028 :     and ccall_type = CCALL_INT32 | CCALL_REAL64 | CCALL_ML_PTR
3029 :    
3030 :     2. These CPS primops are now overloaded:
3031 :    
3032 :     rawload of {kind:numkind}
3033 :     rawstore of {kind:numkind}
3034 :    
3035 :     The one argument form is:
3036 :    
3037 :     rawload {kind} address
3038 :    
3039 :     The two argument form is:
3040 :    
3041 :     rawload {kind} [ml object, byte-offset]
3042 :    
3043 :     3. RAW_CCALL/RCC now takes two extra arguments:
3044 :    
3045 :     a. The first is whether the C call is reentrant, i.e., whether
3046 :     ML state should be saved and restored.
3047 :     b. The second argument is a string argument specifying the name of
3048 :     library and the C function.
3049 :    
3050 :     These things are currently not handled in the code generator, yet.
3051 :    
3052 :     4. In CProto,
3053 :    
3054 :     An encoding type of "bool" means "ml object" and is mapped into
3055 :     C prototype of PTR. Note that "bool" is different than "string",
3056 :     even though "string" is also mapped into PTR, because "bool"
3057 :     is assigned an CPS type of BOGt, while "string" is assigned INT32t.
3058 :    
3059 :     5. Pickler/unpicker
3060 :    
3061 :     Changed to handle RAW_RECORD and newest RAW_CCALL
3062 :    
3063 :     6. MLRiscGen,
3064 :    
3065 :     1. Changed to handle the new rawload/rawstore/rawrecord operators.
3066 :     2. Code for handling C Calls has been moved to a new module CPSCCalls,
3067 :     in the file CodeGen/cpscompile/cps-c-calls.sml
3068 :    
3069 :     7. Added the conditional move operator
3070 :    
3071 :     condmove of branch
3072 :    
3073 :     to cps. Generation of this is still buggy so it is currently
3074 :     disabled.
3075 :    
3076 :     ----------------------------------------------------------------------
3077 : george 1168 Name: Lal George
3078 :     Date: 2002/03/22 14:18:25 EST
3079 : george 1171 Tag: george-20020322-cps-branch-prob
3080 : george 1168 Description:
3081 :    
3082 : george 1171 Implemented the Ball-Larus branch prediction-heuristics, and
3083 : george 1168 incorporated graphical viewers for control flow graphs.
3084 :    
3085 : george 1171 Ball-Larus Heuristics:
3086 : george 1168 ---------------------
3087 :     See the file compiler/CodeGen/cpscompile/cpsBranchProb.sml.
3088 :    
3089 :     By design it uses the Dempster-Shafer theory for combining
3090 :     probabilities. For example, in the function:
3091 :    
3092 :     fun f(n,acc) = if n = 0 then acc else f(n-1, n*acc)
3093 :    
3094 :     the ball-larus heuristics predicts that the n=0 is unlikely
3095 :     (OH-heuristic), and the 'then' branch is unlikely because of the
3096 :     RH-heuristic -- giving the 'then' branch an even lower combined
3097 : george 1171 probability using the Dempster-Shafer theory.
3098 : george 1168
3099 :     Finally, John Reppy's loop analysis in MLRISC, further lowers the
3100 :     probability of the 'then' branch because of the loop in the else
3101 :     branch.
3102 :    
3103 :    
3104 :     Graphical Viewing:
3105 :     ------------------
3106 :     I merely plugged in Allen's graphical viewers into the compiler. The
3107 :     additional code is not much. At the top level, saying:
3108 :    
3109 :     Control.MLRISC.getFlag "cfg-graphical-view" := true;
3110 :    
3111 :     will display the graphical view of the control flow graph just before
3112 :     back-patching. daVinci must be in your path for this to work. If
3113 :     daVinci is not available, then the default viewer can be changed
3114 :     using:
3115 :    
3116 :     Control.MLRISC.getString "viewer"
3117 :    
3118 :     which can be set to "dot" or "vcg" for the corresponding viewers. Of
3119 :     course, these viewers must be in your path.
3120 :    
3121 :     The above will display the compilation unit at the level of clusters,
3122 :     many of which are small, boring, and un-interesting. Also setting:
3123 :    
3124 :     Control.MLRISC.getInt "cfg-graphical-view_size"
3125 :    
3126 :     will display clusters that are larger than the value set by the above.
3127 :    
3128 :    
3129 :     ----------------------------------------------------------------------
3130 : blume 1159 Name: Matthias Blume
3131 :     Date: 2002/03/21 22:20:00 EST
3132 :     Tag: blume-20020321-kmp-bugfix
3133 :     Description:
3134 :    
3135 :     Changed the interface to the KMP routine in PreString and fixed
3136 :     a minor bug in one place where it was used.
3137 :    
3138 :     ----------------------------------------------------------------------
3139 : leunga 1156 Name: Allen Leung
3140 : leunga 1158 Date: 2002/03/21 20:30:00 EST
3141 :     Tag: leunga-20020321-cfg
3142 :     Description:
3143 :    
3144 :     Fixed a potential problem in cfg edge splitting.
3145 :    
3146 :     ----------------------------------------------------------------------
3147 :     Name: Allen Leung
3148 : leunga 1156 Date: 2002/03/21 17:15:00 EST
3149 :     Tag: leunga-20020321-x86-fp-cfg
3150 :     Description:
3151 :    
3152 :     1. Recoded the buggy parts of x86-fp.
3153 :    
3154 :     a. All the block reordering code has been removed.
3155 :     We now depend on the block placement phases to do this work.
3156 :    
3157 :     b. Critical edge splitting code has been simplified and moved into the
3158 :     CFG modules, as where they belong.
3159 :    
3160 :     Both of these were quite buggy and complex. The code is now much, much
3161 :     simpler.
3162 :    
3163 :     2. X86 backend.
3164 :    
3165 :     a. Added instructions for 64-bit support. Instruction selection for
3166 :     64-bit has not been committed, however, since that
3167 :     requires changes to MLTREE which haven't been approved by
3168 :     Lal and John.
3169 :    
3170 :     b. Added support for FUCOMI and FUCOMIP when generating code for
3171 :     PentiumPro and above. We only generate these instructions in
3172 :     the fast-fp mode.
3173 :    
3174 :     c. Added cases for JP and JNP in X86FreqProps.
3175 :    
3176 :     3. CFG
3177 :    
3178 :     CFG now has a bunch of methods for edge splitting and merging.
3179 :    
3180 :     4. Machine description.
3181 :    
3182 :     John's simplification of MLTREE_BASIS.fcond broke a few machine
3183 :     description things:
3184 :    
3185 :     rtl-build.{sig,sml} and hppa.mdl fixed.
3186 :    
3187 :     NOTE: the machine description stuff in the repository is still broken.
3188 :     Again, I can't put my fixes in because that involves
3189 :     changes to MLTREE.
3190 :    
3191 :     ----------------------------------------------------------------------
3192 : blume 1145 Name: Matthias Blume
3193 : blume 1155 Date: 2002/03/20 15:55:00 EST
3194 :     Tag: blume-20020320-kmp
3195 :     Description:
3196 :    
3197 :     Implemented Knuth-Morris-Pratt string matching in PreString and used
3198 :     it for String.isSubstring, Substring.isSubstring, and
3199 :     Substring.position.
3200 :    
3201 :     (Might need some stress-testing. Simple examples worked fine.)
3202 :    
3203 :     ----------------------------------------------------------------------
3204 :     Name: Matthias Blume
3205 : blume 1152 Date: 2002/03/19 16:37:00 EST
3206 :     Tag: blume-20020319-witnesses
3207 :     Description:
3208 :    
3209 :     Added a structure C.W and functions convert/Ptr.convert to ml-nlffi-lib.
3210 :    
3211 :     This implements a generic mechanism for changing constness qualifiers
3212 :     anywhere within big C types without resorting to outright "casts".
3213 :     (So far, functions such as C.rw/C.ro or C.Ptr.rw/C.Ptr.ro only let you
3214 :     modify the constness at the outermost level.)
3215 :     The implementation of "convert" is based on the idea of "witness"
3216 :     values -- values that are not used by the operation but whose types
3217 :     "testify" to their applicability. On the implementation side, "convert"
3218 :     is simply a projection (returning its second curried argument). With
3219 :     cross-module inlining, it should not result in any machine code being
3220 :     generated.
3221 :    
3222 :     ----------------------------------------------------------------------
3223 :     Name: Matthias Blume
3224 : blume 1148 Date: 2002/03/15 16:40:00 EST
3225 :     Tag: blume-20020315-basis
3226 :     Description:
3227 :    
3228 :     Provided (preliminary?) implementations for
3229 :    
3230 :     {String,Substring}.{concatWith,isSuffix,isSubstring}
3231 :    
3232 :     and
3233 :    
3234 :     Substring.full
3235 :    
3236 :     Those are in the Basis spec but they were missing in SML/NJ.
3237 :    
3238 :     ----------------------------------------------------------------------
3239 :     Name: Matthias Blume
3240 : blume 1145 Date: 2002/03/14 21:30:00 EST
3241 :     Tag: blume-20020314-controls
3242 :     Description:
3243 :    
3244 :     Controls:
3245 :     ---------
3246 :    
3247 :     1. Factored out the recently-added Controls : CONTROLS stuff and put
3248 :     it into its own library $/controls-lib.cm. The source tree for
3249 :     this is under src/smlnj-lib/Controls.
3250 :    
3251 :     2. Changed the names of types and functions in this interface, so they
3252 :     make a bit more "sense":
3253 :    
3254 :     module -> registry
3255 :     'a registry -> 'a group
3256 :    
3257 :     3. The interface now deals in ref cells only. The getter/setter interface
3258 :     is (mostly) gone.
3259 :    
3260 :     4. Added a function that lets one register an already-existing ref cell.
3261 :    
3262 :     5. Made the corresponding modifications to the rest of the code so that
3263 :     everything compiles again.
3264 :    
3265 :     6. Changed the implementation of Controls.MLRISC back to something closer
3266 :     to the original. In particular, this module (and therefore MLRISC)
3267 :     does not depend on Controls. There now is some link-time code in
3268 :     int-sys.sml that registers the MLRISC controls with the Controls
3269 :     module.
3270 :    
3271 :     CM:
3272 :     ---
3273 :    
3274 :     * One can now specify the lambda-split aggressiveness in init.cmi.
3275 :    
3276 :     ----------------------------------------------------------------------
3277 : leunga 1142 Name: Allen Leung
3278 :     Date: 2002/03/13 17:30:00 EST
3279 :     Tag: leunga-20020313-x86-fp-unary
3280 :     Description:
3281 :    
3282 :     Bug fix for:
3283 :    
3284 :     > leunga@weaselbane:~/Yale/tmp/sml-dist{21} bin/sml
3285 :     > Standard ML of New Jersey v110.39.1 [FLINT v1.5], March 08, 2002
3286 :     > - fun f(x,(y,z)) = Real.~ y;
3287 :     > [autoloading]
3288 :     > [autoloading done]
3289 :     > fchsl (%eax), 184(%esp)
3290 :     > Error: MLRisc bug: X86MCEmitter.emitInstr
3291 :     >
3292 :     > uncaught exception Error
3293 :     > raised at: ../MLRISC/control/mlriscErrormsg.sml:16.14-16.19
3294 :    
3295 :     The problem was that the code generator did not generate any fp registers
3296 :     in this case, and the ra didn't know that it needed to run the X86FP phase to
3297 :     translate the pseudo fp instruction. This only happened with unary fp
3298 :     operators in certain situations.
3299 :    
3300 :     ----------------------------------------------------------------------
3301 : blume 1137 Name: Matthias Blume
3302 : blume 1140 Date: 2002/03/13 14:00:00 EST
3303 :     Tag: blume-20020313-overload-etc
3304 :     Description:
3305 :    
3306 :     1. Added _overload as a synonym for overload for backward compatibility.
3307 :     (Control.overloadKW must be true for either version to be accepted.)
3308 :    
3309 :     2. Fixed bug in install script that caused more things to be installed
3310 :     than what was requested in config/targets.
3311 :    
3312 :     3. Made CM aware of the (_)overload construct so that autoloading
3313 :     works.
3314 :    
3315 :     ----------------------------------------------------------------------
3316 :     Name: Matthias Blume
3317 : blume 1138 Date: 2002/03/12 22:03:00 EST
3318 :     Tag: blume-20020312-url
3319 :     Description:
3320 :    
3321 :     Forgot to update BOOT and srcarchiveurl.
3322 :    
3323 :     ----------------------------------------------------------------------
3324 :     Name: Matthias Blume
3325 : blume 1137 Date: 2002/03/12 17:30:00 EST
3326 :     Tag: blume-20020312-version110392
3327 :     Description:
3328 :    
3329 :     Yet another version number bump (because of small changes to the
3330 :     binfile format). Version number is now 110.39.2. NEW BOOTFILES!
3331 :    
3332 :     Changes:
3333 :    
3334 :     The new pid generation scheme described a few weeks ago was overly
3335 :     complicated. I implemented a new mechanism that is simpler and
3336 :     provides a bit more "stability": Once CM has seen a compilation
3337 :     unit, it keeps its identity constant (as long as you do not delete
3338 :     those crucial CM/GUID/* files). This means that when you change
3339 : blume 1145 an interface, compile, then go back to the old interface, and
3340 : blume 1137 compile again, you arrive at the original pid.
3341 :    
3342 :     There now also is a mechanism that instructs CM to use the plain
3343 :     environment hash as a module's pid (effectively making its GUID
3344 :     the empty string). For this, "noguid" must be specified as an
3345 :     option to the .sml file in question within its .cm file.
3346 :     This is most useful for code that is being generated by tools such
3347 :     as ml-nlffigen (because during development programmers tend to
3348 :     erase the tool's entire output directory tree including CM's cached
3349 :     GUIDs). "noguid" is somewhat dangerous (since it can be used to locally
3350 :     revert to the old, broken behavior of SML/NJ, but in specific cases
3351 :     where there is no danger of interface confusion, its use is ok
3352 :     (I think).
3353 :    
3354 :     ml-nlffigen by default generates "noguid" annotations. They can be
3355 :     turned off by specifying -guid in its command line.
3356 :    
3357 :     ----------------------------------------------------------------------
3358 : george 1136 Name: Lal George
3359 :     Date: 2002/03/12 12 14:42:36 EST
3360 :     Tag: george-20020312-frequency-computation
3361 :     Description:
3362 :    
3363 :     Integrated jump chaining and static block frequency into the
3364 :     compiler. More details and numbers later.
3365 : leunga 1025
3366 : george 1003 ----------------------------------------------------------------------
3367 : george 1133 Name: Lal George
3368 :     Date: 2002/03/11 11 22:38:53 EST
3369 :     Tag: george-20020311-jump-chain-elim
3370 :     Description:
3371 :    
3372 :     Tested the jump chain elimination on all architectures (except the
3373 :     hppa). This is on by default right now and is profitable for the
3374 :     alpha and x86, however, it may not be profitable for the sparc and ppc
3375 :     when compiling the compiler.
3376 :    
3377 :     The gc test will typically jump to a label at the end of the cluster,
3378 :     where there is another jump to an external cluster containing the actual
3379 :     code to invoke gc. This is to allow factoring of common gc invocation
3380 :     sequences. That is to say, we generate:
3381 :    
3382 :     f:
3383 :     testgc
3384 :     ja L1 % jump if above to L1
3385 :    
3386 :     L1:
3387 :     jmp L2
3388 :    
3389 :    
3390 :     After jump chain elimination the 'ja L1' instructions is converted to
3391 :     'ja L2'. On the sparc and ppc, many of the 'ja L2' instructions may end
3392 :     up being implemented in their long form (if L2 is far away) using:
3393 :    
3394 :     jbe L3 % jump if below or equal to L3
3395 :     jmp L2
3396 :     L3:
3397 :     ...
3398 :    
3399 :    
3400 :     For large compilation units L2 may be far away.
3401 :    
3402 :    
3403 :     ----------------------------------------------------------------------
3404 : blume 1132 Name: Matthias Blume
3405 :     Date: 2002/03/11 13:30:00 EST
3406 :     Tag: blume-20020311-mltreeeval
3407 :     Description:
3408 :    
3409 :     A functor parameter was missing.
3410 :    
3411 :     ----------------------------------------------------------------------
3412 : leunga 1130 Name: Allen Leung
3413 : leunga 1131 Date: 2002/03/11 10:30:00 EST
3414 : leunga 1142 Tag: leunga-20020311-runtime-string0
3415 : leunga 1131 Description:
3416 :    
3417 :     The representation of the empty string now points to a
3418 :     legal null terminated C string instead of unit. It is now possible
3419 :     to convert an ML string into C string with InlineT.CharVector.getData.
3420 :     This compiles into one single machine instruction.
3421 :    
3422 :     ----------------------------------------------------------------------
3423 :     Name: Allen Leung
3424 : leunga 1130 Date: 2002/03/10 23:55:00 EST
3425 :     Tag: leunga-20020310-x86-call
3426 :     Description:
3427 :    
3428 :     Added machine generation for CALL instruction (relative displacement mode)
3429 :    
3430 :     ----------------------------------------------------------------------
3431 : blume 1128 Name: Matthias Blume
3432 :     Date: 2002/03/08 16:05:00
3433 :     Tag: blume-20020308-entrypoints
3434 :     Description:
3435 :    
3436 :     Version number bumped to 110.39.1. NEW BOOTFILES!
3437 :    
3438 :     Entrypoints: non-zero offset into a code object where execution should begin.
3439 :    
3440 :     - Added the notion of an entrypoint to CodeObj.
3441 :     - Added reading/writing of entrypoint info to Binfile.
3442 :     - Made runtime system bootloader aware of entrypoints.
3443 :     - Use the address of the label of the first function given to mlriscGen
3444 :     as the entrypoint. This address is currently always 0, but it will
3445 :     not be 0 once we turn on block placement.
3446 :     - Removed the linkage cluster code (which was The Other Way(tm) of dealing
3447 :     with entry points) from mlriscGen.
3448 :    
3449 :     ----------------------------------------------------------------------
3450 : leunga 1127 Name: Allen Leung
3451 :     Date: 2002/03/07 20:45:00 EST
3452 :     Tag: leunga-20020307-x86-cmov
3453 :     Description:
3454 :    
3455 :     Bug fixes for CMOVcc on x86.
3456 :    
3457 :     1. Added machine code generation for CMOVcc
3458 :     2. CMOVcc is now generated in preference over SETcc on PentiumPro or above.
3459 :     3. CMOVcc cannot have an immediate operand as argument.
3460 :    
3461 :     ----------------------------------------------------------------------
3462 : blume 1126 Name: Matthias Blume
3463 :     Date: 2002/03/07 16:15:00 EST
3464 :     Tag: blume-20020307-controls
3465 :     Description:
3466 :    
3467 :     This is a very large but mostly boring patch which makes (almost)
3468 :     every tuneable compiler knob (i.e., pretty much everything under
3469 :     Control.* plus a few other things) configurable via both the command
3470 :     line and environment variables in the style CM did its configuration
3471 :     until now.
3472 :    
3473 :     Try starting sml with '-h' (or, if you are brave, '-H')
3474 :    
3475 :     To this end, I added a structure Controls : CONTROLS to smlnj-lib.cm which
3476 :     implements the underlying generic mechanism.
3477 :    
3478 :     The interface to some of the existing such facilities has changed somewhat.
3479 :     For example, the MLRiscControl module now provides mkFoo instead of getFoo.
3480 :     (The getFoo interface is still there for backward-compatibility, but its
3481 :     use is deprecated.)
3482 :    
3483 :     The ml-build script passes -Cxxx=yyy command-line arguments through so
3484 :     that one can now twiddle the compiler settings when using this "batch"
3485 :     compiler.
3486 :    
3487 :     TODO items:
3488 :    
3489 :     We should go through and throw out all controls that are no longer
3490 :     connected to anything. Moreover, we should go through and provide
3491 :     meaningful (and correct!) documentation strings for those controls
3492 :     that still are connected.
3493 :    
3494 :     Currently, multiple calls to Controls.new are accepted (only the first
3495 :     has any effect). Eventually we should make sure that every control
3496 :     is being made (via Controls.new) exactly once. Future access can then
3497 :     be done using Controls.acc.
3498 :    
3499 :     Finally, it would probably be a good idea to use the getter-setter
3500 :     interface to controls rather than ref cells. For the time being, both
3501 :     styles are provided by the Controls module, but getter-setter pairs are
3502 :     better if thread-safety is of any concern because they can be wrapped.
3503 :    
3504 :     *****************************************
3505 :    
3506 :     One bug fix: The function blockPlacement in three of the MLRISC
3507 :     backpatch files used to be hard-wired to one of two possibilities at
3508 :     link time (according to the value of the placementFlag). But (I
3509 :     think) it should rather sense the flag every time.
3510 :    
3511 :     *****************************************
3512 :    
3513 :     Other assorted changes (by other people who did not supply a HISTORY entry):
3514 :    
3515 :     1. the cross-module inliner now works much better (Monnier)
3516 :     2. representation of weights, frequencies, and probabilities in MLRISC
3517 :     changed in preparation of using those for weighted block placement
3518 :     (Reppy, George)
3519 :    
3520 :     ----------------------------------------------------------------------
3521 : george 1116 Name: Lal George
3522 : george 1124 Date: 2002/03/07 14:44:24 EST 2002
3523 :     Tag: george-20020307-weighted-block-placement
3524 :    
3525 :     Tested the weighted block placement optimization on all architectures
3526 :     (except the hppa) using AMPL to generate the block and edge frequencies.
3527 :     Changes were required in the machine properties to correctly
3528 :     categorize trap instructions. There is an MLRISC flag
3529 :     "weighted-block-placement" that can be used to enable weighted block
3530 :     placement, but this will be ineffective without block/edge
3531 :     frequencies (coming soon).
3532 :    
3533 :    
3534 :     ----------------------------------------------------------------------
3535 :     Name: Lal George
3536 : george 1116 Date: 2002/03/05 17:24:48 EST
3537 :     Tag: george-20020305-linkage-cluster
3538 :    
3539 : george 1124 In order to support the block placement optimization, a new cluster
3540 :     is generated as the very first cluster (called the linkage cluster).
3541 :     It contains a single jump to the 'real' entry point for the compilation
3542 :     unit. Block placement has no effect on the linkage cluster itself, but
3543 :     all the other clusters have full freedom in the manner in which they
3544 :     reorder blocks or functions.
3545 : george 1116
3546 :     On the x86 the typical linkage code that is generated is:
3547 :     ----------------------
3548 :     .align 2
3549 :     L0:
3550 :     addl $L1-L0, 72(%esp)
3551 : george 1124 jmp L1
3552 : george 1116
3553 :    
3554 :     .align 2
3555 :     L1:
3556 :     ----------------------
3557 :    
3558 :     72(%esp) is the memory location for the stdlink register. This
3559 :     must contain the address of the CPS function being called. In the
3560 : george 1124 above example, it contains the address of L0; before
3561 : george 1116 calling L1 (the real entry point for the compilation unit), it
3562 :     must contain the address for L1, and hence
3563 :    
3564 :     addl $L1-L0, 72(%esp)
3565 :    
3566 : george 1124 I have tested this on all architectures except the hppa.The increase
3567 :     in code size is of course negligible
3568 : george 1116
3569 :     ----------------------------------------------------------------------
3570 : leunga 1115 Name: Allen Leung
3571 :     Date: 2002/03/03 13:20:00 EST
3572 :     Tag: leunga-20020303-mlrisc-tools
3573 :    
3574 :     Added #[ ... ] expressions to mlrisc tools
3575 :    
3576 :     ----------------------------------------------------------------------
3577 : blume 1096 Name: Matthias Blume
3578 : blume 1098 Date: 2002/02/27 12:29:00 EST
3579 :     Tag: blume-20020227-cdebug
3580 :     Description:
3581 :    
3582 :     - made types in structure C and C_Debug to be equal
3583 :     - got rid of code duplication (c-int.sml vs. c-int-debug.sml)
3584 :     - there no longer is a C_Int_Debug (C_Debug is directly derived from C)
3585 :    
3586 :     ----------------------------------------------------------------------
3587 :     Name: Matthias Blume
3588 : blume 1096 Date: 2002/02/26 12:00:00 EST
3589 :     Tag: blume-20020226-ffi
3590 :     Description:
3591 :    
3592 :     1. Fixed a minor bug in CM's "noweb" tool:
3593 :     If numbering is turned off, then truly don't number (i.e., do not
3594 :     supply the -L option to noweb). The previous behavior was to supply
3595 :     -L'' -- which caused noweb to use the "default" line numbering scheme.
3596 :     Thanks to Chris Richards for pointing this out (and supplying the fix).
3597 :    
3598 :     2. Once again, I reworked some aspects of the FFI:
3599 :    
3600 :     A. The incomplete/complete type business:
3601 :    
3602 :     - Signatures POINTER_TO_INCOMPLETE_TYPE and accompanying functors are
3603 :     gone!
3604 :     - ML types representing an incomplete type are now *equal* to
3605 :     ML types representing their corresponding complete types (just like
3606 :     in C). This is still safe because ml-nlffigen will not generate
3607 :     RTTI for incomplete types, nor will it generate functions that
3608 :     require access to such RTTI. But when ML code generated from both
3609 :     incomplete and complete versions of the C type meet, the ML types
3610 :     are trivially interoperable.
3611 :    
3612 :     NOTE: These changes restore the full generality of the translation
3613 :     (which was previously lost when I eliminated functorization)!
3614 :    
3615 :     B. Enum types:
3616 :    
3617 :     - Structure C now has a type constructor "enum" that is similar to
3618 :     how the "su" constructor works. However, "enum" is not a phantom
3619 :     type because each "T enum" has values (and is isomorphic to
3620 :     MLRep.Signed.int).
3621 :     - There are generic access operations for enum objects (using
3622 :     MLRep.Signed.int).
3623 :     - ml-nlffigen will generate a structure E_foo for each "enum foo".
3624 :     * The structure contains the definition of type "mlrep" (the ML-side
3625 :     representation type of the enum). Normally, mlrep is the same
3626 :     as "MLRep.Signed.int", but if ml-nlffigen was invoked with "-ec",
3627 :     then mlrep will be defined as a datatype -- thus facilitating
3628 :     pattern matching on mlrep values.
3629 :     ("-ec" will be suppressed if there are duplicate values in an
3630 :     enumeration.)
3631 :     * Constructors ("-ec") or values (no "-ec") e_xxx of type mlrep
3632 :     will be generated for each C enum constant xxx.
3633 :     * Conversion functions m2i and i2m convert between mlrep and
3634 :     MLRep.Signed.int. (Without "-ec", these functions are identities.)
3635 :     * Coversion functions c and ml convert between mlrep and "tag enum".
3636 :     * Access functions (get/set) fetch and store mlrep values.
3637 :     - By default (unless ml-nlffigen was invoked with "-nocollect"), unnamed
3638 :     enumerations are merged into one single enumeration represented by
3639 :     structure E_'.
3640 :    
3641 :     ----------------------------------------------------------------------
3642 : leunga 1080 Name: Allen Leung
3643 : leunga 1094 Date: 2002/02/25 04:45:00 EST
3644 :     Tag: leunga-20020225-cps-spill
3645 :    
3646 :     This is a new implementation of the CPS spill phase.
3647 :     The new phase is in the new file compiler/CodeGen/cpscompile/spill-new.sml
3648 :     In case of problems, replace it with the old file spill.sml
3649 :    
3650 :     The current compiler runs into some serious performance problems when
3651 :     constructing a large record. This can happen when we try to compile a
3652 :     structure with many items. Even a very simple structure like the following
3653 :     makes the compiler slow down.
3654 :    
3655 :     structure Foo = struct
3656 :     val x_1 = 0w1 : Word32.int
3657 :     val x_2 = 0w2 : Word32.int
3658 :     val x_3 = 0w3 : Word32.int
3659 :     ...
3660 :     val x_N = 0wN : Word32.int
3661 :     end
3662 :    
3663 :     The following table shows the compile time, from N=1000 to N=4000,
3664 :     with the old compiler:
3665 :    
3666 :     N
3667 :     1000 CPS 100 spill 0.04u 0.00s 0.00g
3668 :     MLRISC ra 0.06u 0.00s 0.05g
3669 :     (spills = 0 reloads = 0)
3670 :     TOTAL 0.63u 0.07s 0.21g
3671 :    
3672 :     1100 CPS 100 spill 8.25u 0.32s 0.64g
3673 :     MLRISC ra 5.68u 0.59s 3.93g
3674 :     (spills = 0 reloads = 0)
3675 :     TOTAL 14.71u 0.99s 4.81g
3676 :    
3677 :     1500 CPS 100 spill 58.55u 2.34s 1.74g
3678 :     MLRISC ra 5.54u 0.65s 3.91g
3679 :     (spills = 543 reloads = 1082)
3680 :     TOTAL 65.40u 3.13s 6.00g
3681 :    
3682 :     2000 CPS 100 spill 126.69u 4.84s 3.08g
3683 :     MLRISC ra 0.80u 0.10s 0.55g
3684 :     (spills = 42 reloads = 84)
3685 :     TOTAL 129.42u 5.10s 4.13g
3686 :    
3687 :     3000 CPS 100 spill 675.59u 19.03s 11.64g
3688 :     MLRISC ra 2.69u 0.27s 1.38g
3689 :     (spills = 62 reloads = 124)
3690 :     TOTAL 682.48u 19.61s 13.99g
3691 :    
3692 :     4000 CPS 100 spill 2362.82u 56.28s 43.60g
3693 :     MLRISC ra 4.96u 0.27s 2.72g
3694 :     (spills = 85 reloads = 170)
3695 :     TOTAL 2375.26u 57.21s 48.00g
3696 :    
3697 :     As you can see the old cps spill module suffers from some serious
3698 : leunga 1115 performance problem. But since I cannot decipher the old code fully,
3699 :     instead of patching the problems up, I'm reimplementing it
3700 : leunga 1094 with a different algorithm. The new code is more modular,
3701 :     smaller when compiled, and substantially faster
3702 :     (O(n log n) time and O(n) space). Timing of the new spill module:
3703 :    
3704 :     4000 CPS 100 spill 0.02u 0.00s 0.00g
3705 :     MLRISC ra 0.25u 0.02s 0.15g
3706 :     (spills=1 reloads=3)
3707 :     TOTAL 7.74u 0.34s 1.62g
3708 :    
3709 :     Implementation details:
3710 :    
3711 :     As far as I can tell, the purpose of the CPS spill module is to make sure the
3712 :     number of live variables at any program point (the bandwidth)
3713 :     does not exceed a certain limit, which is determined by the
3714 :     size of the spill area.
3715 :    
3716 :     When the bandwidth is too large, we decrease the register pressure by
3717 :     packing live variables into spill records. How we achieve this is
3718 :     completely different than what we did in the old code.
3719 :    
3720 :     First, there is something about the MLRiscGen code generator
3721 :     that we should be aware of:
3722 :    
3723 :     o MLRiscGen performs code motion!
3724 :    
3725 :     In particular, it will move floating point computations and
3726 :     address computations involving only the heap pointer to
3727 :     their use sites (if there is only a single use).
3728 :     What this means is that if we have a CPS record construction
3729 :     statement
3730 :    
3731 :     RECORD(k,vl,w,e)
3732 :    
3733 :     we should never count the new record address w as live if w
3734 :     has only one use (which is often the case).
3735 :    
3736 :     We should do something similar to floating point, but the transformation
3737 :     there is much more complex, so I won't deal with that.
3738 :    
3739 :     Secondly, there are now two new cps primops at our disposal:
3740 :    
3741 :     1. rawrecord of record_kind option
3742 :     This pure operator allocates some uninitialized storage from the heap.
3743 :     There are two forms:
3744 :    
3745 :     rawrecord NONE [INT n] allocates a tagless record of length n
3746 :     rawrecord (SOME rk) [INT n] allocates a tagged record of length n
3747 :     and initializes the tag.
3748 :    
3749 :     2. rawupdate of cty
3750 :     rawupdate cty (v,i,x)
3751 :     Assigns to x to the ith component of record v.
3752 :     The storelist is not updated.
3753 :    
3754 :     We use these new primops for both spilling and increment record construction.
3755 :    
3756 :     1. Spilling.
3757 :    
3758 :     This is implemented with a linear scan algorithm (but generalized
3759 :     to trees). The algorithm will create a single spill record at the
3760 :     beginning of the cps function and use rawupdate to spill to it,
3761 :     and SELECT or SELp to reload from it. So both spills and reloads
3762 :     are fine-grain operations. In contrast, in the old algorithm
3763 :     "spills" have to be bundled together in records.
3764 :    
3765 :     Ideally, we should sink the spill record construction to where
3766 :     it is needed. We can even split the spill record into multiple ones
3767 :     at the places where they are needed. But CPS is not a good
3768 :     representation for global code motion, so I'll keep it simple and
3769 :     am not attempting this.
3770 :    
3771 :     2. Incremental record construction (aka record splitting).
3772 :    
3773 :     Long records with many component values which are simulatenously live
3774 :     (recall that single use record addresses are not considered to
3775 :     be live) are constructed with rawrecord and rawupdate.
3776 :     We allocate space on the heap with rawrecord first, then gradually
3777 :     fill it in with rawupdate. This is the technique suggested to me
3778 :     by Matthias.
3779 :    
3780 :     Some restrictions on when this is applicable:
3781 :     1. It is not a VECTOR record. The code generator currently does not handle
3782 :     this case. VECTOR record uses double indirection like arrays.
3783 :     2. All the record component values are defined in the same "basic block"
3784 :     as the record constructor. This is to prevent speculative
3785 :     record construction.
3786 :    
3787 :     ----------------------------------------------------------------------
3788 :     Name: Allen Leung
3789 : leunga 1086 Date: 2002/02/22 01:02:00 EST
3790 :     Tag: leunga-20020222-mlrisc-tools
3791 :    
3792 :     Minor bug fixes in the parser and rewriter
3793 :    
3794 :     ----------------------------------------------------------------------
3795 :     Name: Allen Leung
3796 : leunga 1085 Date: 2002/02/21 20:20:00 EST
3797 :     Tag: leunga-20020221-peephole
3798 :    
3799 :     Regenerated the peephole files. Some contained typos in the specification
3800 :     and some didn't compile because of pretty printing bugs in the old version
3801 :     of 'nowhere'.
3802 :    
3803 :     ----------------------------------------------------------------------
3804 :     Name: Allen Leung
3805 : leunga 1079 Date: 2002/02/19 20:20:00 EST
3806 :     Tag: leunga-20020219-mlrisc-tools
3807 :     Description:
3808 :    
3809 :     Minor bug fixes to the mlrisc-tools library:
3810 :    
3811 :     1. Fixed up parsing colon suffixed keywords
3812 :     2. Added the ability to shut the error messages up
3813 :     3. Reimplemented the pretty printer and fixed up/improved
3814 :     the pretty printing of handle and -> types.
3815 :     4. Fixed up generation of literal symbols in the nowhere tool.
3816 :     5. Added some SML keywords to to sml.sty
3817 :    
3818 :     ----------------------------------------------------------------------
3819 :     Name: Matthias Blume
3820 : blume 1078 Date: 2002/02/19 16:20:00 EST
3821 :     Tag: blume-20020219-cmffi
3822 :     Description:
3823 :    
3824 :     A wild mix of changes, some minor, some major:
3825 :    
3826 :     * All C FFI-related libraries are now anchored under $c:
3827 :     $/c.cm --> $c/c.cm
3828 :     $/c-int.cm --> $c/internals/c-int.cm
3829 :     $/memory.cm --> $c/memory/memory.cm
3830 :    
3831 :     * "make" tool (in CM) now treats its argument pathname slightly
3832 :     differently:
3833 :     1. If the native expansion is an absolute name, then before invoking
3834 :     the "make" command on it, CM will apply OS.Path.mkRelative
3835 :     (with relativeTo = OS.FileSys.getDir()) to it.
3836 :     2. The argument will be passed through to subsequent phases of CM
3837 :     processing without "going native". In particular, if the argument
3838 :     was an anchored path, then "make" will not lose track of that anchor.
3839 :    
3840 :     * Compiler backends now "know" their respective C calling conventions
3841 :     instead of having to be told about it by ml-nlffigen. This relieves
3842 :     ml-nlffigen from one of its burdens.
3843 :    
3844 :     * The X86Backend has been split into X86CCallBackend and X86StdCallBackend.
3845 :    
3846 :     * Export C_DEBUG and C_Debug from $c/c.cm.
3847 :    
3848 :     * C type encoding in ml-nlffi-lib has been improved to model the conceptual
3849 :     subtyping relationship between incomplete pointers and their complete
3850 :     counterparts. For this, ('t, 'c) ptr has been changed to 'o ptr --
3851 :     with the convention of instantiating 'o with ('t, 'c) obj whenever
3852 :     the pointer target type is complete. In the incomplete case, 'o
3853 :     will be instantiated with some "'c iobj" -- a type obtained by
3854 :     using one of the functors PointerToIncompleteType or PointerToCompleteType.
3855 :    
3856 :     Operations that work on both incomplete and complete pointer types are
3857 :     typed as taking an 'o ptr while operations that require the target to
3858 :     be known are typed as taking some ('t, 'c) obj ptr.
3859 :    
3860 :     voidptr is now a bit "more concrete", namely "type voidptr = void ptr'"
3861 :     where void is an eqtype without any values. This makes it possible
3862 :     to work on voidptr values using functions meant to operate on light
3863 :     incomplete pointers.
3864 :    
3865 :     * As a result of the above, signature POINTER_TO_INCOMPLETE_TYPE has
3866 :     been vastly simplified.
3867 :    
3868 :     ----------------------------------------------------------------------
3869 :     Name: Matthias Blume
3870 : blume 1076 Date: 2002/02/19 10:48:00 EST
3871 :     Tag: blume-20020219-pqfix
3872 :     Description:
3873 :    
3874 :     Applied Chris Okasaki's bug fix for priority queues.
3875 :    
3876 :     ----------------------------------------------------------------------
3877 :     Name: Matthias Blume
3878 : blume 1073 Date: 2002/02/15 17:05:00
3879 : blume 1069 Tag: Release_110_39
3880 :     Description:
3881 :    
3882 : blume 1073 Last-minute retagging is becoming a tradition... :-(
3883 :    
3884 :     This is the working release 110.39.
3885 :    
3886 :     ----------------------------------------------------------------------
3887 :     Name: Matthias Blume
3888 :     Date: 2002/02/15 16:00:00 EST
3889 :     Tag: Release_110_39-orig
3890 :     Description:
3891 :    
3892 : blume 1069 Working release 110.39. New bootfiles.
3893 :    
3894 : blume 1073 (Update: There was a small bug in the installer so it wouldn't work
3895 :     with all shells. So I retagged. -Matthias)
3896 :    
3897 : blume 1069 ----------------------------------------------------------------------
3898 :     Name: Matthias Blume
3899 : blume 1068 Date: 2002/02/15 14:17:00 EST
3900 :     Tag: blume-20020215-showbindings
3901 :     Description:
3902 :    
3903 :     Added EnvRef.listBoundSymbols and CM.State.showBindings. Especially
3904 :     the latter can be useful for exploring what bindings are available at
3905 :     the interactive prompt. (The first function returns only the list
3906 :     of symbols that are really bound, the second prints those but also the
3907 :     ones that CM's autoloading mechanism knows about.)
3908 :    
3909 :     ----------------------------------------------------------------------
3910 :     Name: Matthias Blume
3911 : blume 1067 Date: 2002/02/15 12:08:00 EST
3912 :     Tag: blume-20020215-iptrs
3913 :     Description:
3914 :    
3915 :     Two improvements to ml-nlffigen:
3916 :    
3917 :     1. Write files only if they do not exist or if their current contents
3918 :     do not coincide with what's being written. (That is, avoid messing
3919 :     with the time stamps unless absolutely necessary.)
3920 :    
3921 :     2. Implement a "repository" mechanism for generated files related
3922 :     to "incomplete pointer types". See the README file for details.
3923 :    
3924 :     ----------------------------------------------------------------------
3925 :     Name: Matthias Blume
3926 : blume 1066 Date: 2002/02/14 11:50:00 EST
3927 :     Tag: blume-20020214-quote
3928 :     Description:
3929 :    
3930 :     Added a type 't t_' to tag.sml (in ml-nlffi-lib.cm). This is required
3931 :     because of the new and improved tag generation scheme. (Thanks to Allen
3932 :     Leung for pointing it out.)
3933 :    
3934 :     ----------------------------------------------------------------------
3935 : george 1065 Name: Lal George
3936 :     Date: 2002/02/14 09:55:27 EST 2002
3937 :     Tag: george-20020214-isabelle-bug
3938 :     Description:
3939 :    
3940 :     Fixed the MLRISC bug sent by Markus Wenzel regarding the compilation
3941 :     of Isabelle on the x86.
3942 :    
3943 :     From Allen:
3944 :     -----------
3945 :     I've found the problem:
3946 :    
3947 :     in ra-core.sml, I use the counter "blocked" to keep track of the
3948 :     true number of elements in the freeze queue. When the counter goes
3949 :     to zero, I skip examining the queue. But I've messed up the
3950 :     bookkeeping in combine():
3951 :    
3952 :     else ();
3953 :     case !ucol of
3954 :     PSEUDO => (if !cntv > 0 then
3955 :     (if !cntu > 0 then blocked := !blocked - 1 else ();
3956 :     ^^^^^^^^^^^^^^^^^^^^^^^
3957 :     moveu := mergeMoveList(!movev, !moveu)
3958 :     )
3959 :     else ();
3960 :    
3961 :     combine() is called to coalesce two nodes u and v.
3962 :     I think I was thinking that if the move counts of u and v are both
3963 :     greater than zero then after they are coalesced then one node is
3964 :     removed from the freeze queue. Apparently I was thinking that
3965 :     both u and v are of low degree, but that's clearly not necessarily true.
3966 :    
3967 :    
3968 :     02/12/2002:
3969 :     Here's the patch. HOL now compiles.
3970 :    
3971 :     I don't know how this impact on performance (compile
3972 :     time or runtime). This bug caused the RA (especially on the x86)
3973 :     to go thru the potential spill phase when there are still nodes on the
3974 :     freeze queue.
3975 :    
3976 :    
3977 :    
3978 :    
3979 :     ----------------------------------------------------------------------
3980 : blume 1058 Name: Matthias Blume
3981 : blume 1064 Date: 2002/02/13 22:40:00 EST
3982 :     Tag: blume-20020213-fptr-rtti
3983 :     Description:
3984 :    
3985 :     Fixed a bug in ml-nlffigen that was introduced with one of the previous
3986 :     updates.
3987 :    
3988 :     ----------------------------------------------------------------------
3989 :     Name: Matthias Blume
3990 : blume 1063 Date: 2002/02/13 16:41:00 EST
3991 :     Tag: blume-20020213-cmlpq
3992 :     Description:
3993 :    
3994 :     Added new priority queue export symbols (which have just been added to
3995 :     smlnj-lib.cm) to CML's version of smlnj-lib.cm. (Otherwise CML would
3996 :     not compile and the installer would choke.)
3997 :    
3998 :     ----------------------------------------------------------------------
3999 :     Name: Matthias Blume
4000 : blume 1062 Date: 2002/02/13 16:15:00 EST
4001 :     Tag: blume-20020213-various
4002 :     Description:
4003 :    
4004 :     1. More tweaks to ml-nlffigen:
4005 :    
4006 :     - better internal datastructures (resulting in slight speedup)
4007 :     - "-match" option requires exact match
4008 :     - "localized" gensym counters (untagged structs/unions nested within
4009 :     other structs/unions or within typedefs get a fresh counter; their
4010 :     tag will be prefixed by a concatenation of their parents' tags)
4011 :     - bug fixes (related to calculation of transitive closure of types
4012 :     to be included in the output)
4013 :    
4014 :     2. Minor Basis updates:
4015 :    
4016 :     - added implementations for List.collate and Option.app
4017 :    
4018 :     ----------------------------------------------------------------------
4019 :     Name: Matthias Blume
4020 : blume 1060 Date: 2002/02/11 15:55:00 EST
4021 :     Tag: blume-20020211-gensym
4022 :     Description:
4023 :    
4024 :     Added a "-gensym" option to command line of ml-nlffigen. This can be
4025 :     used to specify a "stem" -- a string that is inserted in all "gensym'd"
4026 :     names (ML structure names that correspond to unnamed C structs, unions,
4027 :     and enums), so that separate runs of ml-nlffigen do not clash.
4028 :    
4029 :     ----------------------------------------------------------------------
4030 :     Name: Matthias Blume
4031 : blume 1059 Date: 2002/02/11 12:05:00 EST
4032 :     Tag: blume-20020211-gensml
4033 :     Description:
4034 :    
4035 :     A quick fix for a problem with GenSML (in the pgraph-util library):
4036 :     Make generation of toplevel "local" optional. (Strictly speaking,
4037 :     signature definitions within "local" are not legal SML.)
4038 :    
4039 :     Other than that: updates to INSTALL and cm/TODO.
4040 :    
4041 :     ----------------------------------------------------------------------
4042 :     Name: Matthias Blume
4043 : blume 1058 Date: 2002/02/08 15:00:00 EST
4044 :     Tag: blume-20020208-uniquepid
4045 :     Description:
4046 :    
4047 :     0. Version number has been bumped to 110.38.1. NEW BOOTFILES!!!
4048 :    
4049 :     1. The installer (config/install.sh) has gotten smarter:
4050 :    
4051 :     - Configuration options are a bit easier to specify now
4052 :     (in config/targets).
4053 :     - Bug in recognizing .tar.bz2 files fixed.
4054 :     - Installer automatically resolves dependencies between
4055 :     configuration options (e.g., if you ask for eXene, you will
4056 :     also get cml -- regardless whether you asked for it or not).
4057 :     - Installer can run in "quieter mode" by setting the environment
4058 :     variable INSTALL_QUIETLY to "true". "Quieter" does not mean
4059 :     "completely silent", though.
4060 :     - Build HashCons library as part of smlnj-lib.
4061 :    
4062 :     2. A new scheme for assigning persistent identifiers to compilation
4063 :     units (and, by extension, to types etc.) has been put into place.
4064 :     This fixes a long-standing bug where types and even dynamic values
4065 :     can get internally confused, thereby compromising type safety
4066 :     (abstraction) and dynamic correctness. See
4067 :    
4068 :     http://cm.bell-labs.com/cm/cs/who/blume/pid-confusion.tgz
4069 :    
4070 :     for an example of how things could go wrong until now.
4071 :    
4072 :     The downside of the new scheme is that pids are not quite as
4073 :     persistent as they used to be: CM will generate a fresh pid
4074 :     for every compilation unit that it thinks it sees for the first
4075 :     time. That means that if you compile starting from a clean, fresh
4076 :     source tree at two different times, you end up with different
4077 :     binaries.
4078 :    
4079 :     Cutoff recompilation, however, has not been compromised because
4080 :     CM keeps pid information in special caches between runs.
4081 :    
4082 :     ----------------------------------------------------------------------
4083 : george 1053 Name: Lal George
4084 : george 1055 Date: 2002/02/07 15:34:13 EST 2002
4085 :     Tag: <none>
4086 :     Description:
4087 :    
4088 :     Compilers that generate assembly code may produce global labels
4089 :     whose value is resolved at link time. The various peephole optimization
4090 :     modules did not take this in account.
4091 :    
4092 :     TODO. The Labels.addrOf function should really return an option
4093 :     type so that clients are forced to deal with this issue, rather
4094 :     than an exception being raised.
4095 :    
4096 :     ----------------------------------------------------------------------
4097 :     Name: Lal George
4098 : george 1053 Date: 2002/02/06 13:55:02 EST
4099 :     Tag: george-20020206-ra-breakup
4100 :     Description:
4101 :    
4102 :     1. A bug fix from Allen.
4103 :    
4104 :     A typo causes extra fstp %st(0)'s to be generated at compensation
4105 :     edges, which might cause stack underflow traps at runtime. This
4106 :     occurs in fft where there are extraneous fstps right before the 'into'
4107 :     trap instruction (in this case they are harmless since none of the
4108 :     integers overflow.)
4109 :    
4110 : george 1054 2. Pulled out various utility modules that were embedded in the modules
4111 : george 1053 of the register allocator. I need these modules for other purposes, but
4112 : george 1054 they are not complete enough to put into a library (just yet).
4113 : george 1053 ----------------------------------------------------------------------
4114 : blume 1049 Name: Matthias Blume
4115 :     Date: 2002/01/31 16:05:00 EST
4116 :     Tag: blume-20020131-sparc-ccalls
4117 :     Description:
4118 :    
4119 :     1. C-calls on Sparc needlessly allocated a huge chunk (96 bytes)
4120 :     of extra stack space by mistake. Fixed.
4121 :    
4122 :     2. Bug in logic of handling of command-line options in ml-nlffigen fixed.
4123 :    
4124 :     ----------------------------------------------------------------------
4125 : leunga 1048 Name: Allen Leung
4126 :     Date: 2002/01/30
4127 :     Tag: leunga-20020130-nowhere-bug-fix
4128 :     Description:
4129 :    
4130 :     MLRISC bug fixes:
4131 :     1. Fixed a bindings computation bug in the 'nowhere' program generator tool.
4132 :     2. MachineInt.fromString was negating its value.
4133 :    
4134 :     ----------------------------------------------------------------------
4135 : blume 1039 Name: Matthias Blume
4136 : blume 1047 Date: 2002/01/29
4137 :     Tag: blume-20020129-INSTALL
4138 :     Description:
4139 :    
4140 :     - Added somewhat detailed installation instructions (file INSTALL).
4141 :     - Fixed curl-detection bug in config/install.sh.
4142 :     - It is now possible to select the URL getter using the URLGETTER
4143 :     environment variable:
4144 :    
4145 :     not set / "unknown" --> automatic detection (script tries wget,
4146 :     curl, and lynx)
4147 :     "wget" / "curl" / "lynx" --> use the specified program (script "knows"
4148 :     how to properly invoke them)
4149 :     other --> use $URLGETTER directly, it must take
4150 :     precisely two command-line arguments
4151 :     (source URL and destination file name)
4152 :    
4153 :     ----------------------------------------------------------------------
4154 :     Name: Matthias Blume
4155 : blume 1044 Date: 2002/01/28
4156 : blume 1045 Tag: blume-20020128-sparc-ccalls
4157 :     Description:
4158 :    
4159 :     - Fixed problem with calculation of "used" registers in sparc-c-calls.
4160 :     - Make use of the allocParam argument in sparc-c-calls.
4161 :    
4162 :     ----------------------------------------------------------------------
4163 :     Name: Matthias Blume
4164 :     Date: 2002/01/28
4165 : blume 1044 Tag: blume-20020128-allocParam
4166 :     Description:
4167 :    
4168 :     John Reppy: Changes c-calls API to accept client-callback for
4169 :     allocating extra stack space.
4170 :     me: Corresponding changes to mlriscGen (using a dummy argument that
4171 :     does not change the current behavior).
4172 :    
4173 :     ----------------------------------------------------------------------
4174 :     Name: Matthias Blume
4175 : blume 1040 Date: 2002/01/28 12:00:00
4176 :     Tag: Release_110_38
4177 :     Description:
4178 :    
4179 :     This time for real!!!
4180 :    
4181 :     ----------------------------------------------------------------------
4182 :     Name: Matthias Blume
4183 : blume 1039 Date: 2002/01/28 10:56:00 EST
4184 :     Tag: blume-20020128-retraction
4185 :     Description:
4186 :    
4187 :     0. Retracted earlier 110.38. (The Release_110_38 tag has been replaced
4188 :     with blume-Release_110_38-retracted.)
4189 :    
4190 :     1. Fixed a problem with incorrect rounding modes in real64.sml.
4191 :     (Thanks to Andrew Mccreight <andrew.mccreight@yale.edu>.)
4192 :    
4193 :     2. A bug in ml-nlffigen related to the handling of unnamed structs, unions,
4194 :     and enums fixed. The naming of corresponding ML identifiers should
4195 :     now be consistent again.
4196 :    
4197 :     ----------------------------------------------------------------------
4198 : leunga 1038 Name: Allen Leung
4199 :     Date: 2002/01/27
4200 :     Tag: leunga-20020127-nowhere
4201 :     Description:
4202 :    
4203 :     Added a target called nowhere in the configuration scripts.
4204 :     Enabling this will build the MLRISC 'nowhere' tool (for translating
4205 :     programs with where-clauses into legal SML code) during installation.
4206 :    
4207 :     ----------------------------------------------------------------------
4208 : blume 1036 Name: Matthias Blume
4209 : leunga 1038 Date: 2002/01/25 21:27:00 EST
4210 : blume 1039 Tag: blume-Release_110_38-retracted
4211 : blume 1037 Description:
4212 :    
4213 :     Call it a (working) release! Version is 110.38. Bootfiles are ready.
4214 :    
4215 :     README will be added later.
4216 :    
4217 : blume 1039 !!! NOTE: Re-tagged as blume-Release_110_38-retracted. Original tag
4218 :     (Release_110_38) removed. Reason: Last-minute bug fixes.
4219 :    
4220 : blume 1037 ----------------------------------------------------------------------
4221 :     Name: Matthias Blume
4222 : blume 1036 Date: 2002/01/25
4223 :     Tag: blume-20020125-ffi
4224 :     Description:
4225 :    
4226 :     A large number of tweaks and improvements to ml-nlffi-lib and
4227 :     ml-nlffigen:
4228 :    
4229 :     - ML represenation types have been streamlined
4230 :     - getter and setter functions work with concrete values, not abstract
4231 :     ones where possible
4232 :     - ml-nlffigen command line more flexible (see README file there)
4233 :     - some bugs have been fixed (hopefully)
4234 :    
4235 :     ----------------------------------------------------------------------
4236 : george 1034 Name: Lal George
4237 :     Date: 2002/01/24
4238 :     Tag: george-20020124-risc-ra-interface
4239 :     Description:
4240 :    
4241 :     There is a dramatic simplification in the interface to the
4242 :     register allocator for RISC architectures as a result of making
4243 :     parallel copy instructions explicit.
4244 :    
4245 :     ----------------------------------------------------------------------
4246 : blume 1028 Name: Matthias Blume
4247 : blume 1032 Date: 2002/01/22
4248 :     Tag: blume-20020122-x86-ccalls
4249 :     Description:
4250 :    
4251 :     Bug fix for c-calls on x86 (having to do with how char- and
4252 :     short-arguments are being handled).
4253 :    
4254 :     ----------------------------------------------------------------------
4255 :     Name: Matthias Blume
4256 : blume 1031 Date: 2002/01/21
4257 :     Tag: blume-20020121-ff
4258 :     Description:
4259 :    
4260 :     Another day of fiddling with the FFI...
4261 :    
4262 :     1. Bug fix/workaround: CKIT does not complain about negative array
4263 :     dimensions, so ml-nlffigen has to guard itself against this possibility.
4264 :     (Otherwise a negative dimension would send it into an infinite loop.)
4265 :    
4266 :     2. Some of the abstract types (light objects, light pointers, most "base"
4267 :     types) in structure C are now eqtypes.
4268 :    
4269 :     3. Added constructors and test functions for NULL function pointers.
4270 :    
4271 :     ----------------------------------------------------------------------
4272 :     Name: Matthias Blume
4273 : blume 1028 Date: 2002/01/18
4274 : blume 1030 Tag: blume-20020118-ready-for-new-release
4275 :     Description:
4276 :    
4277 :     Made config/srcarchiveurl point to a new place. (Will provide boot
4278 :     files shortly.)
4279 :    
4280 :     Maybe we christen this to be 110.38?
4281 :    
4282 :     ----------------------------------------------------------------------
4283 :     Name: Matthias Blume
4284 :     Date: 2002/01/18
4285 : blume 1029 Tag: blume-20020118-more-ffifiddle
4286 :     Description: