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[smlnj] Annotation of /pages/trunk/dist/working/110.61/NOTES/HISTORY
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Annotation of /pages/trunk/dist/working/110.61/NOTES/HISTORY

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1 : blume 2237 This is the HISTORY file for the SML/NJ repository.
2 : dbm 570
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 1931
11 :     Name: Your Name (web page or e-mail)
12 : blume 2155 Date: yyyy/mm/dd hh:mm:ss
13 : mblume 1931 Tag: cvs-tag-for-this-change
14 : mblume 1480 Description:
15 :    
16 :     ----------------------------------------------------------------------
17 : blume 2237 Name: Matthias Blume (http://www.tti-c.org/blume/)
18 : blume 2262 Date: 2006/12/15 11:10:00 CST
19 : blume 2237 Tag: release-110.61
20 :     Description:
21 :    
22 :     New working release (110.61). NEW BOOTFILES!
23 :    
24 : blume 2262 This supersedes the pre-brown-paper-bug release (see below).
25 :    
26 : blume 2237 ----------------------------------------------------------------------
27 : blume 2262 Name: Matthias Blume (http://www.tti-c.org/blume/)
28 :     Date: 2006/12/15 11:00:00 CST
29 :     Description:
30 :    
31 :     Fixed brown-paper-bag bug with CM's pathname handling, which made
32 :     installation fail under Win32.
33 :    
34 :     ----------------------------------------------------------------------
35 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
36 :     Date: 2006/12/14 12:00:00 CST
37 :     Description:
38 :    
39 :     Obsolete!
40 :    
41 :     [New working release (110.61). NEW BOOTFILES!]
42 :    
43 :     ----------------------------------------------------------------------
44 : jhr 2234 Name: John Reppy (http://cs.uchicago.edu/~jhr)
45 :     Date: 2006/14/06 09:50:00 CST
46 :     Description:
47 :    
48 :     Fixed the code in runtime/c-libs/posix-tty/{tcgetattr,tcsetattr}.c to
49 :     get the c_cc termios data copied correctly. Also moved the allocation
50 :     of the string to avoid problems if it caused a GC.
51 :    
52 :     Thanks to Timothy Bourke for the bug report and fix.
53 :    
54 :     ----------------------------------------------------------------------
55 : blume 2232 Name: Matthias Blume (http://www.tti-c.org/blume)
56 :     Date: 2006/12/08 09:50:00 CST
57 :     Description:
58 :    
59 :     Added code to CM's "standard shell tool" implementation which
60 :     causes it to tolerate (with a warning) the situation where the shell
61 :     command fails (e.g., due to the shell command's non-existence)
62 :     as long as all target files exist.
63 :    
64 :     This makes it possible to, e.g., build ml-yacc from sources even if
65 :     svn checkout messed up the time stamps on files in such a way that
66 :     yacc.grm is younger than yacc.grm.sml or yacc.grm.sig. (Ml-yacc would
67 :     be needed to re-process yacc.grm, but obviously it might not yet be
68 :     available at that time.)
69 :    
70 :     ----------------------------------------------------------------------
71 : jhr 2228 Name: John Reppy (http://cs.uchicago.edu/~jhr)
72 :     Date: 2006/12/06 12:06:00 CST
73 :     Description:
74 :    
75 :     Fixed the types of recvVecFrom, recvVecFrom', recvVecFromNB, and
76 :     recvVecFromNB' in the SOCKET signature. This error is actually
77 :     in the SML Basis specification too.
78 :    
79 :     ----------------------------------------------------------------------
80 : mblume 1923 Name: Matthias Blume (http://www.tti-c.org/blume/)
81 : blume 2226 Date: 2006/12/05 22:40:00 CST
82 :     Description:
83 :    
84 :     CM now reports undefined anchors as errors and aborts execution
85 :     rather than silently pressing on using bogus values.
86 :    
87 :     ----------------------------------------------------------------------
88 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
89 : blume 2224 Date: 2006/11/29 10:00:00 CST
90 :     Description:
91 :    
92 :     Use Say.vsay for printing the "[autoloading]" message, so
93 :     #set CM.Control.verbose false (or -Ccm.verbose=false) can be used
94 :     to suppress them.
95 :    
96 :     ----------------------------------------------------------------------
97 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
98 : blume 2219 Date: 2006/11/10 11:00:00 CST
99 :     Description:
100 :    
101 :     Fixed bug in CM where "with:" specifications that affect compilation
102 :     (as opposed to parsing) were ignored.
103 :    
104 :     ----------------------------------------------------------------------
105 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
106 : blume 2193 Date: 2006/11/09 14:30:00 CST
107 :     Tag: release-110.60
108 :     Description:
109 :    
110 :     New working release (110.60). NEW BOOTFILES!
111 :    
112 :     This is the first subversion-hosted release. There are also changes
113 :     to the directory layout. Here is a table:
114 :    
115 :     (All pathnames are relative to the SML/NJ "root" directory.)
116 :    
117 :     config -> config
118 :    
119 :     src/cm -> base/cm
120 :     src/compiler -> base/compiler
121 :     src/runtime -> base/runtime
122 :     src/system -> base/system
123 :    
124 :     src/cm/pgraph -> pgraph
125 :    
126 :     src/READMES -> base/READMES
127 :     src/$notefile -> base/NOTES/$notefile
128 :     for <notefile> in BOOT CVSNOTES CYGWININSTALL HISTORY INSTALL
129 :     MACOSXINSTALL WININSTALL
130 :    
131 :     src/smlnj-lib -> smlnj-lib
132 :     src/MLRISC -> MLRISC
133 :     ckit -> ckit
134 :     src/cml -> cml
135 :     src/eXene -> eXene
136 :     src/heap2asm -> heap2asm
137 :     src/lexgen -> lexgen
138 :     src/ml-burg -> ml-burg
139 :     src/ml-lex -> ml-lex
140 :     src/ml-yacc -> ml-yacc
141 :     src/ml-nlffi-lib -> nlffi/lib
142 :     src/ml-nlffigen -> nlffi/gen
143 :     src/smlnj-c -> smlnj-c
144 :     src/tools/TraceDebugProf -> trace-debug-profile
145 :    
146 :     In addition, there is also a new
147 :    
148 :     ml-lpt
149 :    
150 :     directory containing two new program generator tools: ml-ulex and
151 :     ml-antlr (a lexer generator that handles unicode and an ANTRL-inspired
152 :     LL(k) parser generator). These tools are currently "beta-quality"
153 :    
154 :     The latest versios of the sources can now be obtained anonymously
155 :     via subversion. For this, it is useful to first check out
156 :    
157 :     svn://smlnj-gforge.cs.uchicago.edu/smlnj/admin
158 :    
159 :     and put the resulting directory on your shell's PATH. This provides
160 :     access to three shell scripts: checkout-all.sh, stat-all.sh,
161 :     and refresh-all.sh.
162 :    
163 :     To create a freshly checked-out copy of the sources, do
164 :    
165 :     checkout-all.sh [dir]
166 :    
167 :     where dir is the optional SML/NJ root directory (default is ".").
168 :    
169 :     This creates the above directory layout. Each subdirectory of
170 :     the root is under individual subversion control. The stat-all.sh
171 :     and refresh-al.sh scripts apply "svn stat" or "svn update" to
172 :     each of these subtrees.
173 :    
174 :     ----------------------------------------------------------------------
175 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
176 : blume 2155 Date: 2006/11/02 12:20:00 CST
177 :     Description:
178 :    
179 :     Reorganized directory layout.
180 :    
181 :     This is a temporary solution, more reorganization is to come.
182 :    
183 :     The basic idea is to have a number of toplevel trees, each corresponding
184 :     to a well-defined part of the overall system. Each part can be
185 :     maintained individually, even in separate source repositories,
186 :     although currently we still serve everything out of the main
187 :     smlnj-gforge tree.
188 :    
189 :     Installer and and scripts have been updated to reflect the new
190 :     layout. The installer (base/src/system/smlnj/installer) is now
191 :     "scriptable" to avoid burning too much knowledge about the
192 :     layout into SML source code. The main script used by the installer
193 :     is in config/actions.
194 :    
195 :     The main change is that many of the subdirectories of what used to
196 :     be known as "src" have moved to the toplevel. The "src" directory
197 :     itself has moved down into a subtree called "base". (We may eventually
198 :     get rid of the extra level of indirection represented by "src".)
199 :    
200 :     The layout is now as follows:
201 :    
202 :     toplevel tree name | default repository
203 :     | (using gf=svn://smlnj-gforge.cs.uchicago.edu/smlnj)
204 :     -------------------+----------------------------------------------------
205 :     config | $gf/config/trunk
206 :     |
207 :     base | $gf/sml/trunk
208 :     |
209 :     smlnj-lib | $gf/smlnj-lib/trunk
210 :     MLRISC | $gf/MLRISC/trunk
211 :     |
212 :     ml-yacc | $gf/ml-yacc/trunk
213 :     ml-lex | $gf/ml-lex/trunk
214 :     ml-burg | $gf/ml-burg/trunk
215 :     lexgen | $gf/lexgen/trunk
216 :     heap2asm | $gf/heap2asm/trunk
217 :     |
218 :     cml | $gf/cml/trunk
219 :     eXene | $gf/eXene/trunk
220 :     ckit | $gf/ckit/trunk
221 :     nlffi | $gf/nlffi/trunk
222 :     |
223 :     smlnj-c | $gf/smlnj-c/trunk
224 :    
225 :     In $gf/admin there are a few useful shell scripts for checking out
226 :     and maintaining the entire collection of trees:
227 :    
228 :     admin/checkout-all.sh [dir]
229 :     -- optionally creates dir and checks out all trees from their
230 :     default repositories; if dir is missing, checkout into .
231 :     admin/refresh-all.sh [dir]
232 :     -- looks at all trees (from the above list) in dir (default: .)
233 :     and runs "svn update" if the tree exists and is under
234 :     subversion control;
235 :     non-existing or non-subversion trees are skipped
236 :     admin/stat-all.sh [dir]
237 :     -- like refresh-all.sh, but runs "svn stat" instead
238 :    
239 :     ----------------------------------------------------------------------
240 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
241 :     Date: 2006/10/05 11:30:00 CDT
242 : mblume 2066 Tag: blume-20061005-merge-amd64
243 :     Description:
244 :    
245 :     Merged code for AMD64 backend (Mike Rainey's work).
246 :     Everything is hooked up but untested.
247 :    
248 :     ----------------------------------------------------------------------
249 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
250 : mblume 1931 Date: 2006/05/17 14:00:00 CST
251 :     Tag: Release_110_59
252 :     Description:
253 :    
254 : blume 2193 New working version (110.59). NEW BOOTFILES!
255 : mblume 1931
256 :     I am freezing 110.59. Changes other than the version-number increase:
257 :    
258 :     eXene:
259 :    
260 :     * committed changes to eXene from Alley Stoughton:
261 :     "fixed bugs in X authorization and resource handling, as well
262 :     as in the pile and viewport widgets"
263 :    
264 :     Runtime:
265 :     * fixed linking problem with NetBSD 3.x.
266 :    
267 :     Lexgen:
268 :     * lexgen tool handles non-ascii characters in 7-bit mode the same
269 :     way that ml-lex does
270 :    
271 :     * lexgen propagates exceptions the same way that ml-lex does
272 :    
273 :     CML:
274 :     * Fixed a bug in the SyncVar polling functions (iGetPoll,
275 :     mTakePoll, and mGetPoll) that could lead to livelock.
276 :    
277 :     ----------------------------------------------------------------------
278 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
279 : mblume 1926 Date: 2006/05/12 15:20:00 CST
280 :     Tag: blume-20060515-makedepend
281 :     Description:
282 :    
283 :     Implemented ml-makedepend (i.e., CM.sources) in a better (more robust)
284 :     way. This should hopefully fix the ml-makedepend problem permanently.
285 :    
286 :     ----------------------------------------------------------------------
287 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
288 : mblume 1925 Date: 2006/05/12 15:15:00 CST
289 :     Tag: blume-20060512-makedepend
290 :     Description:
291 :    
292 :     Fixed long-standing bug with ml-makedepend where it would output a
293 :     spurious dependency to a non-existing file. (This is a simple fix.
294 :     It might need further looking into.)
295 :    
296 :     ----------------------------------------------------------------------
297 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
298 : mblume 1923 Date: 2006/04/20 10:30:00 CDT
299 :     Tag: blume-20060420-heap2exec
300 :     Description:
301 :    
302 :     Committed patches received from Johannes 5 Joemann (joemann@befree.free.de)
303 :     that enable heap2exec under Linux and FreeBSD.
304 :    
305 :     ----------------------------------------------------------------------
306 : jhr 1921 Name: John Reppy
307 :     Date: 2006/04/14
308 : blume 2155 Tag:
309 : jhr 1921 Description:
310 :    
311 :     MLRISC changes:
312 :     1) renamed GAS_PSEUDO_OPS to AS_PSEUDO_OPS and put it in its own file.
313 :     2) added support for NOTB and XORB operators in pseudo-op expressions
314 :     3) added DarwinPseudoOp functor that supports Darwin's assembler syntax.
315 :     4) added support for 64-bit integer literals
316 :    
317 :     ----------------------------------------------------------------------
318 : jhr 1922 Name: Matthias Blume (http://www.tti-c.org/blume/)
319 : mblume 1907 Date: yyyy/mm/dd
320 :     Tag: Release_110_58
321 :     Description:
322 :    
323 :     New working version (110.58). NEW BOOTFILES!
324 :    
325 :     ----------------------------------------------------------------------
326 : mblume 1896 Name: Matthias Blume (http://www.tti-c.org/blume/)
327 : mblume 1905 Date: 2006/03/01 22:15:00 CST
328 :     Tag: blume-20060301-lexgen
329 :     Description:
330 :    
331 :     Incorporated several bugfixes to lexgen. Compiler now compiles to
332 :     fixpoint when using lexgen instead of ml-lex.
333 :    
334 :     ----------------------------------------------------------------------
335 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
336 : mblume 1902 Date: 2006/02/28 22:45:00 CST
337 :     Tag: blume-20060228-lexgen
338 :     Description:
339 :    
340 :     Removed ml-flex and added lexgen instead, using Aaron Turon's newly
341 :     provided tarball. The generated lexers still have problems.
342 :    
343 :     ----------------------------------------------------------------------
344 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
345 : mblume 1898 Date: 2006/02/26 23:30:00 CST
346 :     Tag: blume-20060226-ml-flex
347 :     Description:
348 :    
349 :     Removed ml-flex' dependency on regexp-lib.cm. Turned installation
350 :     of ml-flex on by default.
351 :    
352 :     ----------------------------------------------------------------------
353 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
354 : mblume 1896 Date: 2006/02/24 16:30:00 CST
355 :     Tag: blume-20060224-ml-flex
356 :     Description:
357 :    
358 :     Added ml-flex sources. Partially integrated, but should not be
359 :     turned on yet! (Read: leave it commented-out in config/targets!)
360 :    
361 :     ----------------------------------------------------------------------
362 : jhr 1893 Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
363 :     Date: 2006/02/23
364 :     Tag: jhr-20060223-x86-64
365 :     Description:
366 :     Changes to support building on x86-64 systems (using the 32-bit mode).
367 :     Also cleaned up signal handling on Linux. Support for pre-2.2 Linux
368 :     kernels dropped.
369 :    
370 :     ----------------------------------------------------------------------
371 : allenleung 1890 Name: Allen Leung (leunga (at) reservoir (dot) com)
372 :     Date: 2006/02/22 15:07:00 EST
373 :     Tag: leunga-20060222-mdl-gen
374 :     Description:
375 :    
376 :     CM has changed. Updated the script for rebuilding the MLRISC generated
377 :     files.
378 :    
379 :     ----------------------------------------------------------------------
380 : mblume 1886 Name: Matthias Blume (http://www.tti-c.org/blume/)
381 :     Date: 2006/02/14 17:30:00 CST
382 :     Tag: blume-20060214-intel-mac
383 :     Description:
384 :    
385 :     Hooked code for Darwin-specific Intel ABI into main compiler.
386 :     (This is a temporary solution which relies on the fact that the
387 :     compiler itself does not use NLFFI. Eventually we need to divorce
388 :     intel mac from generic x86 unix code and make separate sets of binaries.)
389 :    
390 :     ----------------------------------------------------------------------
391 : jhr 1882 Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
392 : jhr 1885 Date: 2006/02/13
393 :     Tag: jhr-20060213-intel-mac
394 :     Description:
395 :     Changed MLRISC x86 CCalls for partial support of MacOS X ABI.
396 :    
397 :     ----------------------------------------------------------------------
398 :     Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
399 : jhr 1882 Date: 2006/02/06
400 :     Tag: jhr-20060206-intel-mac
401 :     Description:
402 :     Changes to support MacOS X on Intel hardware. The C-calls support in
403 :     MLRISC must also be updated to support the MacOS X ABI.
404 :    
405 :     ----------------------------------------------------------------------
406 : mblume 1863 Name: Matthias Blume (http://www.tti-c.org/blume/)
407 : mblume 1879 Date: 2005/12/16 00:15:00 CST
408 :     Tag: blume-20051216-cm
409 :     Description:
410 :    
411 :     Improved error reporting and handling in CM.
412 :    
413 :     ----------------------------------------------------------------------
414 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
415 : mblume 1878 Date: 2005/11/21 14:00:00 CST
416 :     Tag: blume-20051121-html-lib
417 :     Description:
418 :    
419 :     Enabling $/html-lib.cm in config/preloads did not work. This is fixed
420 :     now. (Since the anchor mapping for html-lib.cm is not yet in effect
421 : blume 2155 at the time when config/preloads is processed, the library has to
422 : mblume 1878 be referred to by another name. In 110.57 this would be
423 :     $SMLNJ-LIB/HTML/html-lib.cm. I arranged for $smlnj/smlnj-lib/html-lib.cm
424 :     to be valid as well.)
425 :    
426 :     Thanks to Todd Wilson (Fresno) for alerting me to this issue.
427 :    
428 :     ----------------------------------------------------------------------
429 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
430 : mblume 1874 Date: 2005/11/19 13:45:00 CST
431 :     Tag: Release_110_57
432 :     Description:
433 :    
434 :     Moved release tag for 110.57.
435 :    
436 :     ----------------------------------------------------------------------
437 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
438 : mblume 1873 Date: 2005/11/19 23:35:00 CST
439 :     Tag: blume-20051119-fish
440 :     Description:
441 :    
442 :     Fixed a problem in config/install.sh where it tries to "fish" the
443 :     name of the CM metadata directory from the wrong place (because
444 :     the physical location of basis.cm has changed). Also, corrected the
445 :     path anchor for $/html-lib.cm. (Thanks to M. Fluet for pointing out
446 :     these problems.)
447 :    
448 :     ----------------------------------------------------------------------
449 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
450 : mblume 1867 Date: 2005/11/16 14:30:00 CST
451 : mblume 1874 Tag: blume-orig-110_57
452 : mblume 1867 Description:
453 :    
454 :     New working version (110.57). NEW BOOTFILES!
455 :    
456 : mblume 1874 UPDATE: The release tag has been moved to include a fix for a brown-paper-
457 :     bag glitch (see above).
458 :    
459 : mblume 1867 ----------------------------------------------------------------------
460 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
461 : mblume 1866 Date: 2005/11/16 10:25:00 CST
462 :     Tag: blume-22051116-btrace
463 :     Description:
464 :    
465 :     Fixed problem with bogus exception message when using back-trace
466 :     facility.
467 :    
468 :     ----------------------------------------------------------------------
469 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
470 : mblume 1865 Date: 2005/11/15 22:35:00 CST
471 :     Tag: blume-22051115-array2copy
472 :     Description:
473 :    
474 :     Added simple implementation of Array2.copy. (Warning: mostly untested.)
475 :    
476 :     ----------------------------------------------------------------------
477 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
478 : mblume 1864 Date: 2005/11/15 21:35:00 CST
479 :     Tag: blume-22051115-versiontool
480 :     Description:
481 :    
482 :     Reversed change to src/system/smlnj/internals/versiontool.cm. This
483 :     file gets loaded as a tool -- by the equivalent of CM.make during the
484 :     run of CMB.make. Thus, CMB's path configuration is meaningless for
485 :     it. Instead, it has the status of "user code", so it should use
486 :     $/basis.cm to refer to the Basis library. (At least that's true for
487 :     the purpose of bootstrapping the previous change. In the future it
488 :     might make sense to have versiontool.cm refer to
489 :     $smlnj/basis/basis.cm, i.e., the version of the Basis that the
490 :     compiler itself uses.)
491 :    
492 :     Also patched src/system/testml to have it activate those extra anchor
493 :     bindings in config/extrapathconfig.
494 :    
495 :     ----------------------------------------------------------------------
496 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
497 : mblume 1863 Date: 2005/11/15 16:35:00 CST
498 :     Tag: blume-22051115-libraries
499 :     Description:
500 :    
501 :     This change affects the way the following libraries are tied into
502 :     the system:
503 :    
504 :     $/basis.cm
505 :     $/smlnj-lib.cm
506 :     $/pp-lib.cm
507 :     $/controls-lib.cm
508 :     $/html-lib.cm
509 :     $/ml-yacc-lib.cm
510 :    
511 :     These libraries are now internally (as seen from the source code
512 :     of the implementation itself) known by the following names:
513 :    
514 :     $smlnj/basis/basis.cm
515 :     $smlnj/smlnj-lib/smlnj-lib.cm
516 :     $smlnj/smlnj-lib/pp-lib.cm
517 :     $smlnj/smlnj-lib/controls-lib.cm
518 :     $smlnj/smlnj-lib/html-lib.cm
519 :     $smlnj/ml-yacc/ml-yacc-lib.cm
520 :    
521 :     This makes it possible to work with code that requires different
522 :     versions of these libraries, and which refers to these libraries using
523 :     their "default" names (i.e., the first set of names above). In other
524 :     words, one can un-define or re-define those default names without
525 :     compromising the proper functioning of the compiler itself.
526 :    
527 :     A similar procedure had already been performed for several of the
528 :     MLRISC libraries that are linked into the compiler. I did some
529 :     cleanup on this code.
530 :    
531 :     A new file in the config directory (named extrapathconfig) is
532 :     responsible for setting up path anchors that the compiler itself does
533 :     not need, but that are typically required by user code.
534 :    
535 :     ----------------------------------------------------------------------
536 : mblume 1862 Name: Matthias Blume
537 :     Date: 2005/11/07 17:05:00 CST
538 :     Tag: blume-20051107-slice
539 :     Description:
540 :    
541 :     Fixed erroneous out-of-bounds test in the "update" function of
542 :     various *ArraySlice modules. (Thanks to Vesa A. Norrman for pointing
543 :     out the problem.)
544 :    
545 :     Pushed some Basis changes through ML-Lex, CML, and eXene.
546 :    
547 :     ----------------------------------------------------------------------
548 : jhr 1858 Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
549 : jhr 1861 Date: 2005/11/07
550 :     Description:
551 :     Fixed a Basis incompatibility: The depreciated function Substring.all
552 :     was removed (use Substring.full instead).
553 :    
554 :     ----------------------------------------------------------------------
555 :     Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
556 : jhr 1858 Date: 2005/11/05
557 :     Description:
558 :     Tweaked interval set API in SML/NJ library; see the CHANGES file for details.
559 :    
560 :     ----------------------------------------------------------------------
561 : mblume 1856 Name: Matthias Blume (http://www.tti-c.org/blume/)
562 :     Date: 2005/11/02 16:25:00 CST
563 :     Tag: blume-20051102-hex
564 :     Description:
565 :    
566 :     * Runtime system bootstrap code now accepts hex digits in BOOTLIST
567 :     in either upper case or lower case format.
568 :     * Pushed changes to names of Pack<N>{Big,Little} structures through
569 :     CML and eXene.
570 :    
571 :     ----------------------------------------------------------------------
572 : jhr 1852 Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
573 : jhr 1855 Date: 2005/11/02
574 :     Description:
575 :     Fixed a Basis incompatibility: Pack<N>{Big,Little} structures should
576 :     be called PackWord<N>{Big,Little}.
577 :    
578 :     ----------------------------------------------------------------------
579 :     Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
580 : jhr 1852 Date: 2005/10/28
581 :     Description:
582 :     Fixed a minor Basis incompatibility: hex digits should be upper case.
583 :    
584 :     ----------------------------------------------------------------------
585 : mblume 1846 Name: Matthias Blume (blume (at) tti - c (dot) org)
586 :     Date: 2005/10/25 16:00:00 CDT
587 :     Tag: Release_110_56
588 :     Description:
589 :    
590 :     New working version (110.56). NEW BOOTFILES!
591 :    
592 :     ----------------------------------------------------------------------
593 : jhr 1838 Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
594 : jhr 1840 Date: 2005/10/25
595 :     Description:
596 :     Added interval sets to utility library (signatures INTERVAL_DOMAIN
597 :     and INTERVAL_SET, and functor IntervalSetFn).
598 :    
599 :     ----------------------------------------------------------------------
600 :     Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
601 : jhr 1838 Date: 2005/10/14
602 :     Description:
603 :     Add Zhong Shao's fix for datatype equality functions.
604 :    
605 :     ----------------------------------------------------------------------
606 : allenleung 1836 Name: Allen Leung (leunga (at) reservoir (dot) com)
607 : allenleung 1837 Date: 2005/10/14 12:30:00 EST
608 :     Tag: leunga-20051014-x86-spill
609 :     Description:
610 :    
611 :     Bug fix a bug found by Carl Hauser.
612 :     There was a typo in the reload code for FCMP in x86SpillInstr.sml.
613 :    
614 :     ----------------------------------------------------------------------
615 :     Name: Allen Leung (leunga (at) reservoir (dot) com)
616 : allenleung 1836 Date: 2005/10/14 11:15:00 EST
617 :     Tag: leunga-20051014-x86-asm
618 :     Description:
619 :    
620 :     Removed some debugging code in file x86Asm.sml.
621 :     The function emit_operand was printing out debugging output.
622 :    
623 :     ----------------------------------------------------------------------
624 : jhr 1813 Name: John Reppy
625 : jhr 1831 Date: 2005/07/27
626 :     Tag:
627 :     Description:
628 :    
629 : jhr 1832 Fixed ml-lex to recognize "\r" as representing carriage return.
630 :    
631 :     ----------------------------------------------------------------------
632 :     Name: John Reppy
633 :     Date: 2005/07/27
634 :     Tag:
635 :     Description:
636 :    
637 : jhr 1831 Fixed ml-yacc to work on files with non-native end-of-line
638 :     encodings (e.g., Windows text file on a Unix system).
639 :    
640 :     ----------------------------------------------------------------------
641 :     Name: John Reppy
642 : jhr 1824 Date: 2005/07/20
643 :     Tag:
644 :     Description:
645 :    
646 :     Added changes from Dominic Evans (oldmanuk (at) gmail (dot) com)
647 :     to support HPUX 11.
648 :    
649 :     ----------------------------------------------------------------------
650 :     Name: John Reppy
651 : jhr 1813 Date: 2005/07/06
652 :     Tag:
653 :     Description:
654 :    
655 :     Changes to the SML/NJ library. See smlnj-lib/CHANGES for details.
656 :    
657 :     ----------------------------------------------------------------------
658 : mblume 1808 Name: Matthias Blume (blume (at) tti - c (dot) org)
659 :     Date: 2005/07/06 00:45:00 CDT
660 :     Tag: blume-20050706-slice-copy
661 :     Description:
662 :    
663 :     Fixed reversed logic for deciding whether to "copy up" or "copy down"
664 :     in *-array-slice.sml.
665 :    
666 :     ----------------------------------------------------------------------
667 : allenleung 1806 Name: Allen Leung (leunga (at) reservoir (dot) com)
668 : allenleung 1807 Date: 2005/05/31 17:00:00 EST
669 :     Tag: leunga-20050531-cygwin-fault-2
670 :     Description:
671 :    
672 :     A typo in the cygwin code fixed.
673 :    
674 :     ----------------------------------------------------------------------
675 :     Name: Allen Leung (leunga (at) reservoir (dot) com)
676 : allenleung 1806 Date: 2005/05/31 16:47:00 EST
677 :     Tag: leunga-20050531-cygwin-fault
678 :     Description:
679 :    
680 : blume 2155 Updated Cygwin's fault/signal handling to match the Windows version.
681 : allenleung 1806 Updated the export list.
682 :    
683 :     ----------------------------------------------------------------------
684 : mblume 1791 Name: Matthias Blume (blume (at) tti - c (dot) org)
685 : mblume 1795 Date: 2005/05/18 13:35:00 CDT
686 :     Tag: Release_110_54
687 :     Description:
688 :    
689 :     New working version (110.54). NEW BOOTFILES!
690 :    
691 :     ----------------------------------------------------------------------
692 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
693 : mblume 1794 Date: 2005/05/18 11:58:00 CDT
694 :     Tag: blume-20050518-installer
695 :     Description:
696 :    
697 :     Added support scripts for Mac OS X PackageMaker and modified
698 :     config/install.sh so that it supports re-dumping a heap image
699 :     after customization.
700 :    
701 :     ----------------------------------------------------------------------
702 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
703 : mblume 1793 Date: 2005/05/18 10:55:00 CDT
704 :     Tag: blume-20050518-realdiv-noovld
705 :     Description:
706 :    
707 :     Un-overloaded / to work around bug in overloading resolution code.
708 :    
709 :     ----------------------------------------------------------------------
710 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
711 : mblume 1792 Date: 2005/05/16 23:50:00 CDT
712 :     Tag: blume-20050516-redump-heap
713 :     Description:
714 :    
715 :     Added mechanism for re-creating a heap file for the interactive system
716 :     after configuration variables have been changed.
717 :    
718 :     CM.redump_heap : string -> unit
719 :    
720 :     This is much like SMLofNJ.exportML, but starting from the resulting
721 : blume 2155 heap does not return to the caller of CM.redump_heap but
722 : mblume 1792 restarts the interactive system from scratch. The original call of
723 :     CM.redump_heap does not return but ends the interactive session.
724 :     Thus, CM.redump_heap is a lot like SMLofNJ.exportFn.
725 :    
726 :     Internally, redump_heap winds the dynamic execution context back to
727 :     the point where the original heap image was created and re-executes
728 :     the heap image generation code in the boot code.
729 :    
730 :     ----------------------------------------------------------------------
731 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
732 : mblume 1791 Date: 2005/05/09 21:55:00 CDT
733 :     Tag: blume-20050509-word64
734 :     Description:
735 :    
736 :     Added a hack to the existing hack known as Word64 to make fromString
737 :     behave correctly. I am still not sure whether Word64.scan will work
738 :     as specified with respect to the interaction of radix and prefix.
739 :    
740 :     ----------------------------------------------------------------------
741 : allenleung 1785 Name: Allen Leung (leunga (at) reservoir (dot) com)
742 :     Date: 2005/05/04 11:50:00 EST
743 :     Tag: leunga-20050504-checkgc
744 :     Description:
745 :    
746 : blume 2155 Added a gc protocol checking phase. This phase is enabled with
747 : allenleung 1785 the flag "check-gc". "debug-check-gc" turns on the verbose mode.
748 :    
749 :     ----------------------------------------------------------------------
750 : mblume 1741 Name: Matthias Blume (blume (at) tti - c (dot) org)
751 : mblume 1784 Date: 2005/05/04 10:45:00 CDT
752 :     Tag: blume-20050504-intinf
753 :     Description:
754 :    
755 :     Fixed a bug in the implementation of div and mod for IntInf.
756 :     Thanks to Neophytos Michael for reporting the problem.
757 :    
758 :     ----------------------------------------------------------------------
759 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
760 : mblume 1783 Date: 2005/05/04 10:35:00 CDT
761 :     Tag: blume-20050504-join
762 :     Description:
763 :    
764 :     Added a "join" combinator to the ParserComb module in smlnj-lib.cm.
765 :    
766 :     ----------------------------------------------------------------------
767 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
768 : mblume 1770 Date: 2005/02/28 23:40:00 CST
769 :     Tag: blume-20050228-mVar
770 :     Description:
771 :    
772 :     Fixed serious bug (brown paper bag variety) in new implementation of
773 :     structure Atom in CML. (I had accidentally used a mailbox instead of
774 :     an mvar, leaving the door open for races.)
775 :    
776 :     ----------------------------------------------------------------------
777 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
778 : mblume 1761 Date: 2005/02/25 15:00:00 CST
779 :     Tag: Release_110_53
780 :     Description:
781 :    
782 :     New working version (110.53). NEW BOOTFILES!
783 :    
784 :     ----------------------------------------------------------------------
785 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
786 : mblume 1760 Date: 2005/02/25 14:50:00 CST
787 :     Tag: blume-20050225-susp
788 :     Description:
789 :    
790 :     Brought back SMLofNJ.Susp. The underlying suspension type is the one
791 :     implemented in Core -- which means that it is the same as the one used
792 :     by the lazy extension.
793 :    
794 :     ----------------------------------------------------------------------
795 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
796 : mblume 1759 Date: 2005/02/24 16:50:00 CST
797 :     Tag: blume-20050224-cml-atom
798 :     Description:
799 :    
800 :     Simpler and at the same time more general implementation of structure
801 :     Atom in CML.
802 :    
803 :     ----------------------------------------------------------------------
804 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
805 : mblume 1758 Date: 2005/02/15 17:35:00 CST
806 :     Tag: blume-20050215-tools
807 :     Description:
808 :    
809 :     Created new "tools" directory under "src" and moved "TraceDebugProf"
810 :     there.
811 :    
812 :     ----------------------------------------------------------------------
813 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
814 : mblume 1755 Date: 2005/02/10 17:55:00 CST
815 :     Tag: blume-20050210-longlong
816 :     Description:
817 :    
818 :     Implemented "long long" arguments and results for NLFFI. (Only the
819 :     PPC/MacOS implementation is complete, the other backends still need to
820 :     be updated.)
821 :    
822 :     ----------------------------------------------------------------------
823 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
824 : mblume 1751 Date: 2005/01/24 17:40:00 CST
825 :     Tag: blume-20050124-mlyacc
826 :     Description:
827 :    
828 :     Minor cleanup in ML-Yacc rule printing mechanism. This should fix a
829 :     problem with certain "as" patterns which previously got rendered
830 :     using incorrect syntax.
831 :    
832 :     ----------------------------------------------------------------------
833 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
834 : mblume 1750 Date: 2005/01/18 12:00:00 CST
835 :     Tag: blume-20050118-profile
836 :     Description:
837 :    
838 :     Made time profiling code (interrupt handler) in runtime system aware
839 :     of new array representation.
840 :    
841 :     ----------------------------------------------------------------------
842 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
843 : mblume 1747 Date: 2005/01/14 18:00:00 CST
844 :     Tag: blume-20050114-heap2exec
845 :     Description:
846 :    
847 :     Implemented new (but still experimental) heap2exec facility. This is
848 :     tested under Mac OS X and should work under Linux (will test shortly).
849 :     It will probably also work on the Sparc (will test some time later).
850 :    
851 :     - removed old "HACKED_STANDALONE" hack from runtime
852 :    
853 :     To be able to test this, uncomment the request for "heap2asm" in
854 :     config/targets prior to installation. (Notice that this is different
855 :     from "heap2exec" mentioned below. Not a typo.)
856 :    
857 :     To perform an actual test, run the command
858 :    
859 :     $ bin/heap2exec heapfile execfile
860 :    
861 :     (You can put heap2exec on your shell's path.)
862 :    
863 :     For example, run
864 :    
865 :     $ bin/heap2exec bin/.heap/ml-yacc.ppc-darwin mly
866 :    
867 :     This will create a standalone executable called "mly" which you can
868 :     then invoke directly as a command.
869 :    
870 :     ----------------------------------------------------------------------
871 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
872 : mblume 1746 Date: 2005/01/07 11:44:00 CST
873 :     Tag: blume-20050107-mlstring
874 :     Description:
875 :    
876 :     fixed off-by-one error in ML_STRING macro (globals.c)
877 :    
878 :     ----------------------------------------------------------------------
879 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
880 : mblume 1744 Date: 2004/12/23 18:00:00 CST
881 :     Tag: blume-20041223-santa
882 :     Description:
883 :    
884 :     Made ml-build script "smarter" (but only very little).
885 :    
886 :     ----------------------------------------------------------------------
887 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
888 : mblume 1742 Date: 2004/12/21 15:05:00 CST
889 :     Tag: blume-20041221-longlong
890 :     Description:
891 :    
892 :     * Implemented access to signed and unsigned long long data in NLFFI.
893 :     (The parameter-passing part of the picture has not complete. But
894 :     data structure access seems to work.)
895 :    
896 :     * Fixed CM's incorrect assumption that the PPC is little-endian.
897 :     (On the Mac, it is big-endian. And that's currently our only
898 :     PPC platform.)
899 :    
900 :     ----------------------------------------------------------------------
901 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
902 : mblume 1741 Date: 2004/12/21 12:50:00 CST
903 :     Tag: blume-20041221-memory
904 :     Description:
905 :    
906 :     Some cleanup in the $c/memory.cm library: separated some concerns by
907 :     moving allocation code and memory access code each into their own
908 :     files.
909 :    
910 :     ----------------------------------------------------------------------
911 : allenleung 1740 Name: Allen Leung (leunga (at) reservoir (dot) com)
912 :     Date: 2004/12/17 16:12:00 EST
913 :     Tag: leunga-20041217-cygwin-smlnj-home
914 :     Description:
915 :    
916 : blume 2155 The Unix I/O library of SML/NJ on cygwin does not understand
917 :     Windows style pathname, so problems arise when SMLNJ_HOME is set
918 :     to a Windows style pathname. _run-sml now converts SMLNJ_HOME
919 :     to a POSIX pathname on cygwin.
920 : allenleung 1740
921 :     ----------------------------------------------------------------------
922 : mblume 1737 Name: Matthias Blume (blume (at) tti - c (dot) org)
923 : mblume 1736 Date: 2004/12/16 13:35:00 CST
924 :     Tag: Release_110_52
925 :     Description:
926 :    
927 :     Last-minute changes incorporated into 110.52. Release tag moved.
928 :    
929 :     The changes:
930 :     - HashString.hashString' -> HashString.hashSubstring
931 :     - bug fix in UnivariateStats
932 :    
933 :     ----------------------------------------------------------------------
934 : mblume 1702 Name: Matthias Blume (blume (at) tti - c (dot) org)
935 : mblume 1733 Date: 2004/12/15 23:40:00 CST
936 :     Tag: blume-20041215-hashSubstring
937 :     Description:
938 :    
939 :     - HashString.hashString' -> HashString.hashSubstring
940 :     - corresponding changes in atom.sml
941 :     - "de-compressed" (aka. un-obfuscated) code for UnivariateStats and
942 :     added some comments
943 :    
944 :     ----------------------------------------------------------------------
945 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
946 : mblume 1728 Date: 2004/12/15 15:30:00 CST
947 : mblume 1736 Tag: (Release_110_52)
948 : mblume 1728 Description:
949 :    
950 :     New working version (110.52). NEW BOOTFILES!
951 :    
952 :     ----------------------------------------------------------------------
953 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
954 : mblume 1727 Date: 2004/12/15 12:45:00 CST
955 :     Tag: blume-20041215-spaces
956 :     Description:
957 :    
958 :     More on the space problem (this time for Win32).
959 :    
960 :     ----------------------------------------------------------------------
961 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
962 : mblume 1725 Date: 2004/12/14 17:30:00 CST
963 :     Tag: blume-20041214-spaces
964 :     Description:
965 :    
966 :     Hacked some of the scripts (in particular: the installer) to cope with
967 :     spaces in filenames a bit better. But beware: the current "solution"
968 :     is likely still full of bugs and inherently incomplete. (We need to
969 :     do away with those shell scripts for a comprehensive solution.)
970 :    
971 :     ----------------------------------------------------------------------
972 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
973 : mblume 1724 Date: 2004/12/13 14:45:00 CST
974 :     Tag: blume-20041213-ml-makedepend
975 :     Description:
976 :    
977 :     Fixed bug in code for ml-makedepend.
978 :    
979 :     ----------------------------------------------------------------------
980 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
981 : mblume 1720 Date: 2004/12/09 16:30:00 CST
982 :     Tag: blume-20041209-statistics
983 :     Description:
984 :    
985 :     Added two simple but potentially useful statistics modules to SML/NJ Library.
986 :     (See CHANGES file there.)
987 :    
988 :     ----------------------------------------------------------------------
989 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
990 : mblume 1718 Date: 2004/12/01 16:50:00 CST
991 :     Tag: blume-20041201-atom
992 :     Description:
993 :    
994 :     smlnj-lib:
995 :    
996 :     Added function HashString.hashString' for substrings.
997 :     Hand-inlined CharVector.foldl into HashString (for speed).
998 :     Modified implementation of structure Atom to avoid extracting
999 :     strings from substrings unless necessary.
1000 :     (Also see CHANGES file for smlnj-lib.)
1001 :    
1002 :     ----------------------------------------------------------------------
1003 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1004 : mblume 1717 Date: 2004/11/24 22:15:00 CST
1005 :     Tag: blume-20041124-cml
1006 :     Description:
1007 :    
1008 :     Made sure CML compiles when Position = Int64.
1009 :    
1010 :     ----------------------------------------------------------------------
1011 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1012 : mblume 1715 Date: 2004/11/24 14:30:00 CST
1013 :     Tag: blume-20041124-position
1014 :     Description:
1015 :    
1016 :     The compiler can now be compiled in a mode that makes structure Position
1017 :     equal to Int64. The default, however, is unchanged (Position = Int31)
1018 :     for the time being.
1019 :    
1020 :     To enable 64-bit positions, use the following procedure:
1021 :    
1022 :     1. Start sml
1023 :     2. Autoload $smlnj/cmb.cm (if not already autoloaded)
1024 :     3. Type
1025 :     #set (CMB.symval "USE_64_BIT_POSITIONS") (SOME 1);
1026 :     4. Run CMB.make() as usual.
1027 :    
1028 :     This is barely tested. The only test so far was a little SML program
1029 :     counting the number of characters in an 8-gigabyte file by
1030 :     reading it character-by-character. That test was successful.
1031 :    
1032 :     In support of 64-bit positions, a number of new functions have been
1033 :     added to the runtime system.
1034 :    
1035 :     ----------------------------------------------------------------------
1036 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1037 : mblume 1716 Date: 2004/11/23 14:45:00 CST
1038 :     Tag: blume-20041123-useFile
1039 : mblume 1712 Description:
1040 :    
1041 :     Fixed a problem with unhelpful error messages related to problems with
1042 :     .cm- or .sml files that appear as part of the sml command line.
1043 :    
1044 :     ----------------------------------------------------------------------
1045 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1046 : mblume 1703 Date: 2004/11/18 15:40:00 CST
1047 :     Tag: Release_110_51
1048 :     Description:
1049 :    
1050 :     New working version (110.51). NEW BOOTFILES!
1051 :    
1052 :     ----------------------------------------------------------------------
1053 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1054 : mblume 1702 Date: 2004/11/18 15:35:00 CST
1055 :     Tag: <none>
1056 :     Description:
1057 :    
1058 :     Enabled dlopen and friends for FreeBSD (as recommended by Johannes 5
1059 :     Joemann).
1060 :    
1061 :     ----------------------------------------------------------------------
1062 : allenleung 1701 Name: Allen Leung (leunga (at) reservoir (dot) com)
1063 :     Date: 2004/11/17 16:05:21 EST 2004
1064 :     Tag: leunga-20041117-mlrisc-live-kill
1065 :     Description:
1066 :    
1067 : blume 2155 Added support for MLTree constructs LIVE and KILL
1068 : allenleung 1701 to all the architectures.
1069 :    
1070 :     ----------------------------------------------------------------------
1071 : mblume 1687 Name: Matthias Blume (blume (at) tti - c (dot) org)
1072 : mblume 1689 Date: 2004/11/13 00:20:00 CST
1073 :     Tag: blume-20041113-versiontool
1074 :     Description:
1075 :    
1076 :     - Stripped down the versiontool: It now only handles the version number.
1077 :     The date string is generated at bootstrap time (during makeml).
1078 :    
1079 :     - In a previous commit, fixed a minor issue with how polyequal is being
1080 :     translated. In particular, the code now "looks through" abstractions.
1081 :     This results in slightly fewer polyEqual warnings and hopefully slightly
1082 :     more efficient code. Important examples for where this matters are
1083 :     the new int64 and word64 types.
1084 :    
1085 :     ----------------------------------------------------------------------
1086 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1087 : mblume 1687 Date: 2004/11/12 00:30:00 CST
1088 :     Tag: blume-20041112-int64
1089 :     Description:
1090 :    
1091 :     Structure Int64 fully hooked in. (The implementation is not very
1092 :     efficient, though.)
1093 :    
1094 :     ----------------------------------------------------------------------
1095 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1096 : mblume 1686 Date: 2004/11/11 17:30:00 CST
1097 :     Tag: blume-20041111-more64
1098 :     Description:
1099 :    
1100 :     All the pieces of Word64 are now there, with the exception of the
1101 :     conversions from and to LargeWord. (Eventually these need to be identities,
1102 :     but for the time being they don't even make sense because LargeWord is
1103 :     32-bit wide.)
1104 :    
1105 :     Also started to add similar support for Int64, but major pieces of that
1106 :     are still missing.
1107 :    
1108 :     ----------------------------------------------------------------------
1109 : mblume 1668 Name: Matthias Blume (blume (at) tti - c (dot) org)
1110 : mblume 1684 Date: 2004/11/11 00:15:00 CST
1111 :     Tag: blume-20041111-word64
1112 :     Description:
1113 :    
1114 :     Structure Word64 is now (almost) complete, word literals and patterns
1115 :     seem to work. There are a few odd pieces missing. In particular,
1116 :     I didn't do the {from,to}LargeWord parts because LargeWord is still Word32
1117 :     at the moment.
1118 :    
1119 :     Making Word64 official would mean that LargeWord becomes Word64. But
1120 :     this requires extreme care because most word-word conversions have to
1121 :     go through LargeWord, so making a mistake means loss of efficiency or
1122 :     worse. Eventually there will be a solution similar to (but actually
1123 :     simpler than) what I did with IntInf.
1124 :    
1125 :     ----------------------------------------------------------------------
1126 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1127 : mblume 1683 Date: 2004/11/10 18:12:00 CST
1128 :     Tag: blume-20041110-64bit
1129 :     Description:
1130 :    
1131 :     More 64-bit hacking (but still not even half-way there yet).
1132 :     Also, some assorted improvements to the handling of 8-bit words.
1133 :    
1134 :     ----------------------------------------------------------------------
1135 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1136 : mblume 1682 Date: 2004/11/09 17:50:00 CST
1137 : mblume 1683 Tag: <none>
1138 : mblume 1682 Description:
1139 :    
1140 :     Started adding some infrastructure for supporting 64-bit int- and
1141 :     word-types. (Still in its very early stages.)
1142 :    
1143 :     ----------------------------------------------------------------------
1144 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1145 : mblume 1672 Date: 2004/10/28 10:45:00 CDT
1146 :     Tag: Release_110_50
1147 :     Description:
1148 :    
1149 :     New working version (110.50). NEW BOOTFILES!
1150 :    
1151 :     =====================
1152 :    
1153 :     Also:
1154 :    
1155 :     - Changend config/srcarchiveurl from a file just
1156 :     containing the URL string into a file containing
1157 :     shell script code. The code has access to the $VERSION variable.
1158 :     - Made corresponding changes to config/install.sh and config/unpack.
1159 :     - Default contents of config/srcarchiveurl uses $VERSION and
1160 :     normally does not have to be edited to reflect a version change.
1161 :    
1162 :     (As a result, a version change can be done by just editing
1163 :     config/version, the rest is now automatic.)
1164 :    
1165 :     ----------------------------------------------------------------------
1166 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1167 : mblume 1669 Date: 2004/10/27 17:50:00 CDT
1168 :     Tag: blume-20041027-btrace-msg
1169 :     Description:
1170 :    
1171 :     BackTrace.monitor now also reports the source of the exception that
1172 :     triggered the trace.
1173 :    
1174 :     ----------------------------------------------------------------------
1175 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1176 : mblume 1668 Date: 2004/10/27 17:20:00 CDT
1177 :     Tag: blume-20041027-x86-c-calls
1178 :     Description:
1179 :    
1180 :     This is the HISTORY entry for two earlier commits, both concerning
1181 :     the x86 c-calls code in MLRISC:
1182 :    
1183 :     - added a missing LOAD in the code that deals with struct arguments
1184 :     - made sure the caller does not add the wrong number of bytes to the
1185 :     stack pointer after a call of a function returning a struct
1186 :     (the callee already pops the implicit argument which points to
1187 :     the space reserved for the result)
1188 :    
1189 :     ----------------------------------------------------------------------
1190 : allenleung 1662 Name: Allen Leung (leunga (at) reservoir (dot) com)
1191 :     Date: 2004/10/24 14:00:00 EST
1192 :     Tag: leunga-20041024-x86-gas-fucomip
1193 :     Description:
1194 :    
1195 :     John discovered a bug in the syntax of fucomip.
1196 :     The opcodes FU?COMIP? have been changed to
1197 :    
1198 :     fu?comip? %st(i), %st
1199 :    
1200 :     ----------------------------------------------------------------------
1201 : mblume 1622 Name: Matthias Blume (blume (at) tti - c (dot) org)
1202 : mblume 1656 Date: 2004/10/20 15:06:00 CDT
1203 :     Tag: blume-20041020-standalone-backtrace
1204 :     Description:
1205 :    
1206 :     Added a mechanism for getting back-trace information from standalone
1207 :     programs. Here is how it works:
1208 :    
1209 :     1. The part of the program from which you want to get backtrace
1210 :     information (usually the whole program) should be wrapped with
1211 :     BackTrace.monitor. This is a (unit->'a)->'a function, and your
1212 :     main program could be modified from something like
1213 :    
1214 :     fun main (pgm, args) = ...
1215 :    
1216 :     to
1217 :    
1218 :     fun main (pgm, args) = BackTrace.monitor (fn () => ...)
1219 :    
1220 :     2. To be able to access BackTrace.monitor, you have to add
1221 :     library $smlnj-tdp/plugins.cm to the .cm file that contains your
1222 :     main function.
1223 :    
1224 :     3. Remove all compiled code (i.e., all the .cm/ subdirectories that
1225 :     CM might have created in the past for your project).
1226 :    
1227 :     4. Build the system using this command line:
1228 :    
1229 :     ml-build -Ctdp.instrument=true \$smlnj-tdp/back-trace.cm \
1230 :     myprog.cm MyProg.main myprog
1231 :    
1232 :     instead of the usual
1233 :    
1234 :     ml-build myprog.cm MyProg.main myprog
1235 :    
1236 :     I changed a library name:
1237 :    
1238 :     $/trace-debug-profile.cm --> $smlnj-tdp/plugins.cm
1239 :    
1240 :     New libraries:
1241 :    
1242 :     $smlnj-tdp/back-trace.cm
1243 :     -- when loaded causes the back-trace plugin to be installed
1244 :     $smlnj-tdp/coverage.cm
1245 :     -- when loaded causes the coverage plugin to be installed
1246 :    
1247 :     ----------------------------------------------------------------------
1248 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1249 : mblume 1655 Date: 2004/10/18 16:45:00 CDT
1250 :     Tag: blume-20041018-groupowner
1251 :     Description:
1252 :    
1253 :     Added an "obsolete" warning for the "group owner" syntax to CM's parser.
1254 :    
1255 :     Eliminated group owner specs from .cm files throughout the source tree.
1256 :    
1257 :     ----------------------------------------------------------------------
1258 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1259 : mblume 1653 Date: 2004/10/15 15:45:00 CDT
1260 :     Tag: blume-20041015-coverage
1261 :     Description:
1262 :    
1263 :     * Test coverage tool added!
1264 :     * Further reorganization of tracing-, debugging-, and profiling support:
1265 :    
1266 :     - moved original BTImp -- now called BackTrace -- into a separate
1267 :     library called $/trace-debug-profile.cm
1268 :     - eliminated all mentions of BTrace from SMLofNJ.Internals
1269 :     - only the instrumentation mechanism is now left in the compiler proper
1270 :     - BackTrace module is a plugin which is NOT plugged in by default
1271 :     - Coverage module is another such plugin
1272 :    
1273 :     To get the benefits of any of these plugin modules, the code in
1274 :     question must be compiled with tdp instrumentation turned on. This
1275 :     can be done by setting SMLofNJ.Internals.TDP.mode to true.
1276 :     (The ref cell is also controlled via the -Ctdp.instrument=... switch.)
1277 :    
1278 :     Plugins are selected at link time. (Pre-compiled instrumented code
1279 :     can be re-loaded with different plugins in effect.) When an
1280 :     instrumented module is linked, whatever plugins are at that time
1281 :     enabled will come into effect for that module.
1282 :    
1283 :     To enable the back-trace plugin, load library $/trace-debug-profile.cm
1284 :     and invoke BackTrace.install() (e.g., from the interactive prompt).
1285 :     To enable the coverage plugin, load the same library and invoke
1286 :     Coverage.install().
1287 :    
1288 :     Back-traces are generated automatically on uncaught exceptions and
1289 :     when the code in question explicitly invokes BackTrace.trigger().
1290 :    
1291 :     Coverage (and execution frequency-) information must be queried
1292 :     explicitly by calling Coverage.not_covered and Coverage.hot_spots.
1293 :    
1294 :     ----------------------------------------------------------------------
1295 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1296 : mblume 1652 Date: 2004/10/14 17:40:00 CDT
1297 :     Tag: blume-20041014-tdp-core
1298 :     Description:
1299 :    
1300 :     Snapshot of a significant overhaul of how the trace/debug/profile support
1301 :     is hooked into the system (specifically: Core and SMLofNJ.Internals).
1302 :    
1303 :     ----------------------------------------------------------------------
1304 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1305 : mblume 1650 Date: 2004/10/13 16:34:00 CDT
1306 :     Tag: blume-20041013-tdp
1307 :     Description:
1308 :    
1309 :     Some rationalization of names:
1310 :    
1311 :     structure BTrace -> structure TDPInstrument
1312 :     etc.
1313 :    
1314 :     This is is preparation of using the original back-trace
1315 :     instrumentation for other purposes. "TDP" stands for
1316 :     Trace/Debug/Profile.
1317 :    
1318 :     The control flag controlling whether instrumentation is on or off is now
1319 :     registered under a different name, so instead of running sml as
1320 :    
1321 :     sml -Cinstrument.btrace-mode=true
1322 :    
1323 :     one has to say
1324 :    
1325 :     sml -Ctdp.instrument=true
1326 :    
1327 :     ----------------------------------------------------------------------
1328 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1329 : mblume 1645 Date: 2004/10/11 16:37:00 CDT
1330 :     Tag: blume-20041011-regions
1331 :     Description:
1332 :    
1333 :     Made some minor modifications to elabcore.sml to have source regions
1334 :     be propagated more tightly -- resulting in better (i.e., smaller)
1335 :     regions being reported in error- and debug messages.
1336 :    
1337 :     ----------------------------------------------------------------------
1338 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1339 : mblume 1644 Date: 2004/10/08 22:50:00 CDT
1340 :     Tag: blume-20041008-cmkw
1341 :     Description:
1342 :    
1343 :     Fixed handling of keywords in .cm files: After seeing "is" the lexer
1344 :     treats subsequent occurrences of "group", "library", "source", "is",
1345 :     "*", and "-" as ordinary identifiers rather than keywords.
1346 :    
1347 :     Most seriously, this fixes a problem with CM's "shell" tool. The tool
1348 :     is supposed to accept a tool argument called "source", but this did
1349 :     not work because of the clash with the keyword.
1350 :    
1351 :     ----------------------------------------------------------------------
1352 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1353 : mblume 1642 Date: 2004/10/07 16:00:00 CDT
1354 :     Tag: blume-20041007-cleanup
1355 :     Description:
1356 :    
1357 :     Assorted cleanup work:
1358 :    
1359 :     - got rid of intstrmap in favor of using the library's
1360 :     hash table implementation
1361 :     - threw out most of the pathnames stuff, as it was not used anyway
1362 :     - simplified tokentable implementation
1363 :     - fixed some minor spelling errors
1364 :    
1365 :     ----------------------------------------------------------------------
1366 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1367 : mblume 1641 Date: 2004/10/06 15:15:15 CDT
1368 :     Tag: blume-20041006-handler
1369 :     Description:
1370 :    
1371 :     Cleaned up the absyn to reflect the invariant that HANDLE always
1372 :     carries a FNexp as part of the type definition. This eliminates some
1373 :     superfluous sanity checks at runtime down the road.
1374 :    
1375 :     Some minor cleanup of the btrace code.
1376 :    
1377 :     ----------------------------------------------------------------------
1378 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1379 : mblume 1640 Date: 2004/10/01 10:20:30 CDT
1380 :     Tag: blume-20041001-slave
1381 :     Description:
1382 :    
1383 :     Added hack to make slave mode work in the presence of the version
1384 :     tool. (Still, since the master does two passes over the code for
1385 :     CMB.make, the release number gets bumped twice when slaves are
1386 :     attached. I don't know if this is worth fixing...)
1387 :    
1388 :     ----------------------------------------------------------------------
1389 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1390 : mblume 1639 Date: 2004/09/30 10:55:00 CDT
1391 :     Tag: blume-20040930-version
1392 :     Description:
1393 :    
1394 :     * Moved the "version" magic into its own little library under
1395 : mblume 1672 src/system/smlnj/internal. This avoids expensive reconstruction of
1396 :     a stable src/compiler/core.cm.
1397 : mblume 1639
1398 : mblume 1672 * At the same time, structure CompilerVersion is now known as
1399 :     structure SMLNJVersion.
1400 : mblume 1639
1401 :     * Arranged for the version tool to NOT kick in when rebuilding the system
1402 :     (makeml -rebuild, fixpt). Otherwise one would never reach a fixpoint.
1403 :     Also, loading the versiontool does not work when rebuilding the system
1404 :     because CM is not properly initialized at that time.
1405 :    
1406 :     ----------------------------------------------------------------------
1407 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1408 : mblume 1638 Date: 2004/09/29 14:00:00 CDT
1409 :     Tag: blume-20040929-autoversion
1410 :     Description:
1411 :    
1412 :     Implemented some CM magic to have
1413 :     file src/compiler/TopLevel/main/version.sml
1414 :     generated automagically.
1415 :     The version is taken from two files: config/version and config/release.
1416 :     The first is expected to contain a two-part version number such as 110.49.
1417 :     The second should contain a single number, but it may be missing.
1418 :    
1419 :     If the environment variable VERSIONTOOL_BUMP_RELEASE is defined at the
1420 :     time the version tool is loaded (which is the first time you say CMB.make),
1421 :     then the tool will increment the value stored in config/release every
1422 :     time CMB.make is invoked.
1423 :    
1424 :     The binfile format is now insensitive to anything beyond the first
1425 :     two components of a version number, so bumping the release does not render
1426 :     binfiles incompatible. Auto-bumping can be used to keep track of versions
1427 :     during development without invalidating existing binfiles.
1428 :    
1429 :     In any case, every CMB.make updates the date information in version.sml.
1430 :     (This is the date that is printed in the banner.)
1431 :    
1432 :     ----------------------------------------------------------------------
1433 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1434 : mblume 1634 Date: 2004/09/28 10:53:00 CDT
1435 :     Tag: blume-20040928-controls
1436 :     Description:
1437 :    
1438 :     Some cleanup of the controls code.
1439 :    
1440 :     ----------------------------------------------------------------------
1441 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1442 : mblume 1633 Date: 2004/09/27 22:08:00 CDT
1443 :     Tag: blume-20040927-controls
1444 :     Description:
1445 :    
1446 :     Added two pieces of functionality to the Controls interface:
1447 :    
1448 :     1. val save'restore: 'a control -> unit -> unit
1449 :    
1450 :     grabs the current value of the control in stage 1 and restores it
1451 :     in stage 2.
1452 :    
1453 :     2. val set' : 'a control * 'a -> unit -> unit
1454 :    
1455 :     stores the given value into the control in stage 2 (i.e., delayed)
1456 :     but does all error checking in stage 1.
1457 :     (This is for string controls that need to do parse their argument --
1458 :     something that might fail. In some cases, notably in CM, one
1459 :     already knows the intended argument but wants to delay the actual
1460 :     assignment until a time when error recovery would be more difficult.)
1461 :    
1462 :     Changed the handling of controls in tool arguments to classes "sml" and
1463 :     "lazysml":
1464 :     - use Controls.save'restore as a more robust way of restoring the
1465 :     old value (in particular: without having to re-parse the string)
1466 :     - use controls to handle the "overload" keyword in the init group
1467 :     (I believe this change actually fixes a long-standing obscure bug.)
1468 :    
1469 :     ----------------------------------------------------------------------
1470 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1471 : mblume 1632 Date: 2004/09/27 17:00:00 CDT
1472 :     Tag: blume-20040927-lazysml
1473 :     Description:
1474 :    
1475 :     Added a new tool class called "lazysml" to CM's tool chest. The only
1476 :     difference to "sml" is that compilation is done with Control.lazysml
1477 :     set to true. A source of class "lazysml" is automatically recognized
1478 :     by a file name suffix of ".lml".
1479 :    
1480 :     In addition to the above feature, the original class "sml" now also
1481 :     supports a tool argument "lazy" which has the same effect. As a
1482 :     result, the following three lines are equivalent:
1483 :    
1484 :     foo.sml : lazysml
1485 :     foo.sml : sml (lazy)
1486 :     foo.sml (lazy)
1487 :    
1488 :     The setting goes into effect both during parsing and during
1489 :     compilation. The original setting is restored right after parsing and
1490 :     after compilation, respectively.
1491 :    
1492 :     In addition to all the above, there is also a general mechanism to set
1493 :     ANY of the "controls" that are available at the command line via
1494 :     "-C..." on a per-sml-file basis. The same rules that apply for "lazy"
1495 :     apply as well. (In fact, "lazy" is implemented as a special case of
1496 :     the general mechanism.)
1497 :    
1498 :     The .cm file syntax uses a new keyword tool argument called "with".
1499 :     There are several ways of indicating the desired settings:
1500 :    
1501 :     foo.sml (with:parser.quotations=true)
1502 :     foo.sml (with:(name:parser.quotations value:true))
1503 :     foo.sml (with:(name:name1 value:value1 name:name2 value:value2 ...))
1504 :     foo.sml (with:(name1=value1 name2=value2 ...))
1505 :     foo.sml (with:(name1=value1 name:name2 value:value2 name3=value3 ...))
1506 :    
1507 :     etc.
1508 :    
1509 :     Another possible abbreviation is to leave out the =v or value:v part
1510 :     if the name refers to a boolean control (in which case the value is
1511 :     taken to be true). Thus, one could get lazy sml also by saying:
1512 :    
1513 :     foo.sml (with:parser.lazy-keyword=true)
1514 :     foo.sml (with:parser.lazy-keyword)
1515 :     foo.sml (with:(name:parser.lazy-keyword value:true))
1516 :     foo.sml (with:(name:parser.lazy-keyword))
1517 :    
1518 :     ----------------------------------------------------------------------
1519 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1520 : mblume 1631 Date: 2004/09/24 16:22:00 CDT
1521 :     Tag: blume-20040924-ppc-long-branch
1522 :     Description:
1523 :    
1524 :     Turned message about "emiting long form of branch" off by default.
1525 :     Added a control flag to turn it back on when desired.
1526 :    
1527 :     ----------------------------------------------------------------------
1528 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1529 : mblume 1630 Date: 2004/09/24 16:05:00 CDT
1530 :     Tag: blume-20040924-rounding
1531 :     Description:
1532 :    
1533 :     Applied patch for setting rounding modes under Mac OS X. Thanks to
1534 :     Melissa O'Neill for providing the code!
1535 :    
1536 :     ----------------------------------------------------------------------
1537 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1538 : mblume 1629 Date: 2004/09/23 17:30:00 CDT
1539 :     Tag: blume-20040923-envvars
1540 :     Description:
1541 :    
1542 :     1. Changed definition of type ControlRegistry.registry_tree to
1543 :     include control_info (i.e., the name of the controlling environment
1544 :     variable).
1545 :    
1546 :     2. Added command-line flags -e and -E to print the names of environment
1547 :     variables that can be used to control internal settings.
1548 :     (This uses the new API mentioned in 1.)
1549 :    
1550 :     ----------------------------------------------------------------------
1551 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1552 : mblume 1622 Date: 2004/09/13 16:50:00 CDT
1553 :     Tag: Release_110_49
1554 :     Description:
1555 :    
1556 :     New working version (110.49). NEW BOOTFILES!
1557 :    
1558 :     ----------------------------------------------------------------------
1559 : mblume 1621 Name: Matthias Blume
1560 :     Date: 2004/09/13 16:20:00 CDT
1561 :     Tag: blume-20040913-config-mlrisc
1562 :     Description:
1563 :    
1564 :     Put target "mlrisc" back into the default list.
1565 :     (There is no harm in having it, and some users have expressed their
1566 :     wish to have "mlrisc" included by default.)
1567 :    
1568 :     ----------------------------------------------------------------------
1569 : jhr 1620 Name: John Reppy
1570 :     Date: 2004/09/13
1571 :     Tag: jhr-20040913-signals
1572 :     Description:
1573 :    
1574 :     Fixed the signal masking code to properly nest mask/unmask operations
1575 :     on a per-signal basis.
1576 :    
1577 :     ----------------------------------------------------------------------
1578 : mblume 1619 Name: Matthias Blume (blume (at) tti - c (dot) org)
1579 :     Date: 2004/09/08 13:20:00 CDT
1580 :     Tag: blume-20040908-heap-magic
1581 :     Description:
1582 :    
1583 :     Bumped the heap macig number to 0x09082004 to account for the changed
1584 :     layout of the ML frame under MacOS X.
1585 :    
1586 :     ----------------------------------------------------------------------
1587 : allenleung 1618 Name: Allen Leung (leunga (at) reservoir (dot) com)
1588 :     Date: 2004/09/03 11:26:00 EST
1589 :     Tag: leunga-20040903-cygwin-install
1590 :     Description:
1591 :    
1592 :     Added a patch to _arch-n-opsys to enable the Cygwin runtime.
1593 :     The Cygwin runtime is turned on by setting the environment
1594 :     variable SMLNJ_CYGWIN_RUNTIME to 1.
1595 :    
1596 :     ----------------------------------------------------------------------
1597 : mblume 1615 Name: Matthias Blume (blume (at) tti - c (dot) org)
1598 : mblume 1617 Date: 2004/08/31 17:15:00 CDT
1599 :     Tag: blume-20040831-core
1600 :     Description:
1601 :    
1602 :     Added some exports to src/compiler/core.cm upon request by J. Joemann.
1603 :    
1604 :     ----------------------------------------------------------------------
1605 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1606 : mblume 1616 Date: 2004/08/30 17:55:00 CDT
1607 :     Tag: blume-20040830-installer
1608 :     Description:
1609 :    
1610 :     Upon request by Johannes Joemann:
1611 :    
1612 :     - improved ML code of installer to fall back to coping when renaming
1613 :     fails (i.e., when source and target are on different file systems);
1614 :     the code compiles but has yet to be tested in anger
1615 :     - removed mlrisc from list of default targets (config/targets)
1616 :    
1617 :     ----------------------------------------------------------------------
1618 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1619 : mblume 1615 Date: 2004/08/27 17:20:00 CDT
1620 :     Tag: blume-20040827-ptreql
1621 :     Description:
1622 :    
1623 :     Added ptreql primop to structure InlineT (upon request from Larry
1624 :     Paulson).
1625 :    
1626 :     ----------------------------------------------------------------------
1627 : allenleung 1613 Name: Allen Leung (leunga (at) reservoir (dot) com)
1628 : allenleung 1614 Date: 2004/08/15 21:21:00 EST
1629 :     Tag: leunga-110_48-udgraph
1630 :     Description:
1631 :    
1632 :     Another bug fix from Carl Hauser:
1633 :    
1634 :     diff /net/niflab/smlnj48/src/MLRISC/graphs/udgraph.sml udgraph.sml
1635 :     > 48c48
1636 :     > < | rmv((e as (k,_))::es,L) = rmv(es,if k = i then es else
1637 :     > e::L)
1638 :     > ---
1639 :     > > | rmv((e as (k,_))::es,L) = rmv(es,if k = i then L else e::L)
1640 :     > Without this, any deletion of an edge in an undirected graph does severe
1641 :     > violence to the graph.
1642 :    
1643 :     ----------------------------------------------------------------------
1644 :     Name: Allen Leung (leunga (at) reservoir (dot) com)
1645 : allenleung 1613 Date: 2004/08/10 23:35:00 EST
1646 :     Tag: leunga-110_48-ppc
1647 :     Description:
1648 :    
1649 :     The IBM/MacOS syntax switch on PPC was incorrectly swapped.
1650 :    
1651 :     ----------------------------------------------------------------------
1652 : mblume 1602 Name: Matthias Blume (blume (at) tti - c (dot) org)
1653 : mblume 1615 Date: 2004/08/10 12:00:00 CDT
1654 : mblume 1602 Tag: Release_110_48
1655 :     Description:
1656 :    
1657 :     New working version (110.48). NEW BOOTFILES!
1658 :    
1659 :     ----------------------------------------------------------------------
1660 : allenleung 1599 Name: Allen Leung (leunga (at) reservoir (dot) com)
1661 :     Date: 2004/08/09 12:21:00 EST
1662 :     Tag: leunga-110_47-dijsktra
1663 :     Description:
1664 :    
1665 :     Bug fix from Carl Hauser:
1666 :    
1667 : blume 2155 single_source_shortest_paths in dijkstra.sml was observed to get wrong
1668 : allenleung 1599 answers (by comparing to single_source_shortest_paths in bellman-ford.sml).
1669 :    
1670 : blume 2155 The problem is that following the expression A.update(dist,s,Num.zero)
1671 : allenleung 1599 it is necessary to update the priority queue using Q.decreaseWeight(Q,s).
1672 :    
1673 :     ----------------------------------------------------------------------
1674 : mblume 1595 Name: Matthias Blume (blume (at) tti - c (dot) org)
1675 :     Date: 2004/08/06 18:10:00 CDT
1676 :     Tag: blume-20040806-cmdline
1677 :     Description:
1678 :    
1679 :     Fiddled with handling of command-line options:
1680 :    
1681 :     * sml now quits after processing the command line
1682 :     if -H, -S, -h<n>, or -s<n> appears as the last
1683 :     command-line argument
1684 :     * a new option -q terminates the session when encountered on
1685 :     the command line; subsequent arguments will be ignored
1686 :     * bug fixes: short (erroneous) arguments are no longer ignored
1687 :     completely
1688 :    
1689 :     ----------------------------------------------------------------------
1690 : allenleung 1593 Name: Allen Leung (leunga (at) reservoir (dot) com)
1691 :     Date: 2004/08/04 18:17:00 EST
1692 :     Tag: leunga-110_47-ppc-ibm-asm
1693 :     Description:
1694 :    
1695 :     - Added minimal IBM assembly syntax support for PowerPC.
1696 :    
1697 : blume 2155 - Cygwin: manually changed the file cygwin.def. Some exported symbols have
1698 : allenleung 1593 been altered in the runtime. We need an automatic way to keep the file
1699 :     in sync.
1700 :    
1701 :     ----------------------------------------------------------------------
1702 : mblume 1548 Name: Matthias Blume (blume (at) tti - c (dot) org)
1703 : mblume 1581 Date: 2004/08/04 14:00:00 CDT
1704 :     Tag: Release_110_47
1705 :     Description:
1706 :    
1707 :     New working version (110.47). NEW BOOTFILES!
1708 :    
1709 :     ----------------------------------------------------------------------
1710 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1711 : mblume 1580 Date: 2004/08/03 14:25:00 CDT
1712 :     Tag: blume-20040803-callingconv
1713 :     Description:
1714 :    
1715 :     Added low-level support for choosing C calling conventions by
1716 :     twiddling the type of rawccall. (See
1717 :     src/compiler/Semant/types/cproto.sml for details.)
1718 :    
1719 :     ----------------------------------------------------------------------
1720 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1721 : mblume 1579 Date: 2004/08/02 15:55:00 CDT
1722 :     Tag: blume-20040802-backout
1723 :     Description:
1724 :    
1725 :     Backed out of change to win32-filesys.c. The earlier patch to
1726 :     get_file_time caused CM to produce files with the wrong time stamp.
1727 :    
1728 :     ----------------------------------------------------------------------
1729 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1730 : mblume 1573 Date: 2004/08/02 14:45:00 CDT
1731 :     Tag: blume-20040802-nlffi-win32
1732 :     Description:
1733 :    
1734 :     Added NLFFI support for Win32, adapted from a patch provided by David
1735 :     Hansel. This is currently completely untested. Also, the issue
1736 :     concerning stdcall vs. ccall is still unresolved.
1737 :    
1738 :     ----------------------------------------------------------------------
1739 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1740 : mblume 1572 Date: 2004/07/30 17:55:00 CDT
1741 :     Tag: blume-20040730-various
1742 :     Description:
1743 :    
1744 :     Gearing up towards 110.47...
1745 :    
1746 :     - various minor bugfixes to ml-nlffigen
1747 :     - a beginning of a manual for nlffi
1748 :    
1749 :     - eliminated 'export name=value' in config/install.sh as this does
1750 :     not work with certain versions of /bin/sh
1751 :     (Thanks to David King at Motorola for catching this.)
1752 :    
1753 :     - several bugfixes provided or suggested by David Hansel at Reactive Systems:
1754 :     - added a test for tm==NULL to gmtime.c and localtime.c
1755 :     - applied patch for incorrect GetFileTime under win32
1756 :     - toSeconds -> toMilliseconds in Win32/win32-process.sml
1757 :    
1758 :     ----------------------------------------------------------------------
1759 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1760 : mblume 1557 Date: 2004/07/21 18:20:00 CDT
1761 :     Tag: blume-20040721-nlffigen
1762 :     Description:
1763 :    
1764 :     - Fixed minor issue in ml-nlffigen: Now generate structure T_foo
1765 :     for a typedef to an incomplete type, but leave out the "typ" member.
1766 :     (This is just for consistency.)
1767 :     - Started to produce what is supposed to become better (i.e., comprehensive)
1768 :     documentation of what ml-nlffigen does and produces.
1769 :    
1770 :     ----------------------------------------------------------------------
1771 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1772 : mblume 1548 Date: 2004/07/14 16:25:00 CDT
1773 :     Tag: blume-20040714-union
1774 :     Description:
1775 :    
1776 :     Added C_UNION to c-calls/c-types.sml and updated the machinery
1777 :     (ml-nlffigen, cproto.sml) that conveys C function interface
1778 :     information to the code generator.
1779 :    
1780 :     However, the actual architecture-specific implementation of function
1781 :     arguments and results that are C unions is still not implemented.
1782 :    
1783 :     ----------------------------------------------------------------------
1784 : allenleung 1539 Name: Allen Leung (leunga (at) reservoir (dot) com)
1785 : allenleung 1546 Date: 2004/07/14 14:38:00 EST
1786 :     Tag: leunga-110_46_1-ppc-lwzu
1787 :     Description:
1788 :    
1789 :     Added these instructions to the PowerPC architecture:
1790 :     LBZU(X), LHZU(X), LWZU(X),
1791 : blume 2155 STWU(X), STFDU, STFSU
1792 :    
1793 : allenleung 1546 etc...
1794 :    
1795 :     Note: I haven't added their instruction encoding into the description.
1796 :    
1797 :     ----------------------------------------------------------------------
1798 :     Name: Allen Leung (leunga (at) reservoir (dot) com)
1799 : allenleung 1539 Date: 2004/07/13 15:04:00 EST
1800 :     Tag: leunga-110_46_1-ppc-lwarx
1801 :     Description:
1802 :    
1803 :     Added the two instructions LWARX and STWCX to the PowerPC
1804 : blume 2155 instruction set.
1805 : allenleung 1539
1806 :     A (untested) rewrite of loop-structure.sml. The old version
1807 :     is completely broken.
1808 :    
1809 :     ----------------------------------------------------------------------
1810 : mblume 1479 Name: Matthias Blume (blume (at) tti - c (dot) org)
1811 : mblume 1537 Date: 2004/07/13 13:50:00 CDT
1812 :     Tag: blume-20040713-nlffi
1813 :     Description:
1814 :    
1815 :     - use paramAlloc to report c-calls with too many arguments
1816 :     (for PPC version where parameter area is pre-allocated)
1817 :     - added ccall_maxargspace to machspec (to implement the above)
1818 :     - made "make" commend in CM's "make" tool configurable
1819 :     - added option (default: on) for passing the name of the SML/NJ's "bin"
1820 :     directory to "make"; the call looks like this:
1821 :    
1822 :     make <options> SMLNJ_BINDIR=<dir> <target>
1823 :    
1824 :     This can be used by the Makefile to, e.g., pick the "right" version
1825 :     of ml-nlffigen.
1826 :     - minor code tweaks
1827 :    
1828 :     ----------------------------------------------------------------------
1829 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1830 : mblume 1532 Date: 2004/07/12 22:50:00 CDT
1831 :     Tag: blume-110_46_1-macosx-nlffi
1832 :     Description:
1833 :    
1834 :     NLFFI under Mac OS X now working (sort of). This is largely untested,
1835 :     though.
1836 :    
1837 :     Note: 1. You have to make a new, clean build of the runtime system.
1838 :     2. There are new BOOTFILES, you have to use them!
1839 :     (Doing the bootstrap process yourself would be *very* painful!
1840 :     If you absolutely have to do it, build the system under
1841 :     a different architecture and then cross-compile.)
1842 :    
1843 :     Version bumped to 110.46.1 to account for runtime data format changes.
1844 :    
1845 :     ----------------------------------------------------------------------
1846 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1847 : mblume 1515 Date: 2004/06/18 14:30:00 CDT
1848 :     Tag: blume-20040618-unix
1849 :     Description:
1850 :    
1851 :     Changed the implementation of structure Unix so that the same stream
1852 :     is returned every time one of the {text,bin}{In,Out}streamOf functions
1853 :     is invoked on the same proc. This is not what the spec currently
1854 :     says -- although IMO it arguably should. (See discussion below.)
1855 :    
1856 :     ----------------------------------------------------------------------
1857 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1858 : mblume 1507 Date: 2004/06/17 18:15:00 CDT
1859 :     Tag: Release_110_46
1860 :     Description:
1861 :    
1862 :     New working version (110.46). NEW BOOTFILES!
1863 :    
1864 :     ----------------------------------------------------------------------
1865 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1866 : mblume 1506 Date: 2004/06/17 17:20:00 CDT
1867 :     Tag: blume-20040617-timer-unix
1868 :     Description:
1869 :    
1870 :     Changed the interface of structures Timer and Unix to match the most
1871 :     recent Basis spec.
1872 :    
1873 :     In the case of Unix there still seems to be an open/weird issue:
1874 :    
1875 :     The {text,bin}{In,Out}streamOf functions are supposed to create
1876 :     fresh streams whenever they are called -- as opposed to have them
1877 :     return the same stream every time. This design is supposed to
1878 :     prevent space leaks caused by proc values hanging on to streams.
1879 :    
1880 :     The reap function, on the other hand, is supposed to close the
1881 :     streams. This cannot be done without having a handle on the
1882 :     stream in proc after all...
1883 :    
1884 :     I took the liberty to implement the following stopgap solution:
1885 :    
1886 :     The proc value hangs on to the most recently created stream(s).
1887 :     Reap closes those. If either or both of the two streams hadn't
1888 :     been created at all yet, then reap will close the corresponding
1889 :     file descriptors directly.
1890 :    
1891 :     PS: I don't understand the original space leak argument anymore. If
1892 :     a proc hangs on to the imperative stream, then I/O operations on those
1893 :     will advance the state of the cached stream and avoid the space leak.
1894 :    
1895 :     ----------------------------------------------------------------------
1896 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1897 : mblume 1500 Date: 2004/05/28 16:45:00 CDT
1898 :     Tag: blume-20040528-basis
1899 :     Description:
1900 :    
1901 :     Added signature PACK_REAL and exported functor PrimIO.
1902 :    
1903 :     ----------------------------------------------------------------------
1904 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1905 : mblume 1498 Date: 2004/05/25 16:00:00 CDT
1906 :     Tag: blume-20040525-group-owner
1907 :     Description:
1908 :    
1909 :     CM now ignores (but still accepts) the "owner" information in group
1910 :     descriptions. The owner of a group is its next enclosing
1911 :     library. Each group must have a unique owner. (There is a virtual
1912 : mblume 1505 "toplevel" library that owns groups which are not nested within a real
1913 : mblume 1498 library.) Previously, each group had to explicitly declare its owner,
1914 :     and CM would check that such a declaration is correct. The new scheme
1915 :     is to have CM check that for each group there is precisely one owning
1916 :     library.
1917 :    
1918 :     The advantage of the new scheme is that the programmer no longer needs
1919 :     to maintain the somewhat annoying owner information. The downside is
1920 :     that CM cannot enforce the ownership rule across multiple runs of
1921 :     CM.make. Fortunately, enclosing the same group in two different
1922 :     libraries A and B which are not part of the same program does not
1923 :     cause real problems.
1924 :    
1925 :     ----------------------------------------------------------------------
1926 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1927 : mblume 1496 Date: 2004/05/20 16:00:00 CDT
1928 :     Tag: blume-20040520-win32
1929 :     Description:
1930 :    
1931 :     Made the win32 version work again. (Strangely, a misplaced comma had
1932 :     slipped into win32-process.c which prevented the runtime from being
1933 :     compiled correctly.)
1934 :    
1935 :     Also, included a minor addition to ml-build.bat analogous to what was
1936 :     done in blume-20040519-ml-build.
1937 :    
1938 :     ----------------------------------------------------------------------
1939 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1940 : mblume 1494 Date: 2004/05/19 22:10:00 CDT
1941 :     Tag: blume-20040519-ml-build
1942 :     Description:
1943 :    
1944 :     Arranged for ml-build to clean up after itself a little bit better.
1945 :     The script generates a temporary SML source file and compiles it using
1946 :     CM, so CM generates metadata (GUID, SKEL, objectfile) for it. It now
1947 :     gets rid of those at the end, so they don't accumulate under .cm.
1948 :    
1949 :     This required a minor change to install.sh because the name of the
1950 :     metadata directory (default: .cm) is actually configurable at
1951 :     installation time.
1952 :    
1953 :     ----------------------------------------------------------------------
1954 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1955 : mblume 1491 Date: 2004/05/18 15:50:00 CDT
1956 :     Tag: blume-20040518-mkreader
1957 :     Description:
1958 :    
1959 :     Added Posix.IO.mk{Bin,Text}{Reader,Writer} by lifting their respective
1960 :     implementations from internal modules PosixBinPrimIO and PosixTextPrimIO.
1961 :    
1962 :     ----------------------------------------------------------------------
1963 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1964 : mblume 1489 Date: 2004/05/11 14:35:00 CDT
1965 :     Tag: blume-20040511-win32sock
1966 :     Description:
1967 :    
1968 :     Added previously missing support for many socket-related functions
1969 :     under win32. Thanks to David Hansel <hansel@reactive-systems.com>
1970 :     for the voluminous patch!
1971 :    
1972 :     (I have not tested this patch under win32 yet.)
1973 :    
1974 : mblume 1490 Here is David's e-mail:
1975 :    
1976 :     Hi,
1977 :    
1978 :     Attached to this email you find a diff against sml/nj 110.45
1979 :     that will enable socket support under Windows.
1980 :    
1981 :     To apply the patch (using unix or cygwin)
1982 :     1) gunzip runtime.diff.gz
1983 :     2) "cd" into "src/runtime" in the source tree of a fresh
1984 :     110.45 installation.
1985 :     3) patch -p 1 < [your/path/to]runtime.diff
1986 :    
1987 : blume 2155 The code compiles fine but has NOT yet been extensively tested.
1988 :     I only ran a few tests for basic socket client functionality
1989 :     (which worked fine). Especially the functions that use ioctl
1990 : mblume 1490 are not tested at all and might not work (see below).
1991 :    
1992 :     I implemented this since we want to move to a newer version of sml/nj
1993 :     but need socket support in order to use it. This is the first time I
1994 :     even had a look at the sml/nj source, so please review my changes
1995 :     before making this part of the distribution! Here are a few issues
1996 : blume 2155 that I think might be better for someone to solve who is more
1997 : mblume 1490 familiar with the sml/nj source (and socket programming):
1998 :    
1999 :     - getnetbyaddr.c and getnetbyname.c will raise a "not implemented"
2000 :     exception since I could not figure out what the windows equivalent
2001 :     of these functions is
2002 :    
2003 :     - In sockets-osdep.h there are a some #include statements that are
2004 :     only used in a few files that include sockets-osdep.h
2005 :    
2006 :     - In smlnj-sock-lib.c, function init_fn() calls WSAStartup() but
2007 :     does not process its return value since I don't know how to
2008 :     report an error upwards.
2009 :    
2010 :     - It would probably be good to have a call to WSACleanup() when
2011 : blume 2155 the library is unloaded (if there is such a possibility).
2012 : mblume 1490 Otherwise I think Windows will take care of this automatically
2013 :     when the process finishes.
2014 :    
2015 :     - I used ioctlsocket() as a replacement for ioctl() but I have
2016 :     no idea if that is actually the proper replacement on Windows.
2017 :    
2018 :     - All these issues are marked in the code by "FIXME" comments.
2019 :    
2020 : blume 2155 We use sml/nj extensively in our products and are quite happy
2021 :     with it. I hope this contribution will help you.
2022 : mblume 1490
2023 :     Keep up the good work!
2024 :    
2025 :     David
2026 :    
2027 : mblume 1489 ----------------------------------------------------------------------
2028 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2029 : mblume 1488 Date: 2004/05/11 14:20:00 CDT
2030 :     Tag: blume-20040511-installml
2031 :     Description:
2032 :    
2033 :     Fixed two bugs in installml script. (Thanks to Vesa A. Norrman for
2034 :     the patch.)
2035 :    
2036 :     ----------------------------------------------------------------------
2037 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2038 : mblume 1487 Date: 2004/05/11 14:05:00 CDT
2039 :     Tag: blume-20040511-nlffi-netbsd
2040 :     Description:
2041 :    
2042 :     Added support for nlffi under netbsd. (Thanks to Vesa A. Norrman for
2043 :     the patch.)
2044 :    
2045 :     ----------------------------------------------------------------------
2046 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2047 : mblume 1486 Date: 2004/05/11 12:05:00 CDT
2048 :     Tag: blume-20040511-exports
2049 :     Description:
2050 :    
2051 :     As per request by Adam Chlipala <adam@hcoop.net>, extended various
2052 :     export lists in compiler-related .cm-files.
2053 :    
2054 :     ----------------------------------------------------------------------
2055 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2056 : mblume 1485 Date: 2004/05/11 11:35:00 CDT
2057 :     Tag: blume-20040511-allsource
2058 :     Description:
2059 :    
2060 :     The installer now honors the "src-smlnj" target again, although its meaning
2061 :     has changed from "all sources required for the compiler" to "all sources
2062 :     the installer knows about". In other words, if you enable "src-smlnj"
2063 :     in the "targets" file, then the installer will pull in sources for
2064 :     everything. (Notice that this refers to source code only. Compiled
2065 :     code is still only installed for modules that were requested explicitly
2066 :     or which are required for other modules that were requested explicitly.)
2067 :    
2068 :     ----------------------------------------------------------------------
2069 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2070 : mblume 1482 Date: 2004/04/23 17:40:00 CDT
2071 :     Tag: blume-20040423-ieee-scan
2072 :     Description:
2073 :    
2074 :     Fixed IEEEReal.scan (and .fromString) so that if there is an overflow
2075 :     in the exponent calculation we get INF or ZERO (depending on the mantissa
2076 :     and the sign of the exponent).
2077 :    
2078 :     ----------------------------------------------------------------------
2079 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2080 : mblume 1480 Date: 2004/04/23 10:40:00 CDT
2081 :     Tag: blume-20040423-ml-build
2082 :     Description:
2083 :    
2084 :     The ml-build script now terminates with a non-0 status when something
2085 :     goes wrong.
2086 :    
2087 :     ----------------------------------------------------------------------
2088 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2089 : mblume 1479 Date: 2004/04/22 16:35:00 CDT
2090 :     Tag: blume-20040422-Option
2091 :     Description:
2092 :    
2093 :     Made exception Option to be the same as exception Option.Option
2094 :     (as it should be).
2095 :    
2096 :     ----------------------------------------------------------------------
2097 : allenleung 1468 Name: Allen Leung (leunga (at) reservoir (dot) com)
2098 :     Date: 2004/03/19 14:40:00 EST
2099 :     Tag: leunga-20040319-cygwin-nlffi
2100 :     Description:
2101 :    
2102 :     Fixed the runtime so that ml-nlffi-lib runs on the cygwin version
2103 :     of SML/NJ. The problem is that
2104 :    
2105 :     lib = dlopen(NULL, ...)
2106 :     f = dlsym(lib, "malloc");
2107 :    
2108 : blume 2155 does not work on Windows unless we explicitly export symbols
2109 :     such as 'malloc' during linking. We fixed this by explicitly
2110 : allenleung 1468 exporting the required symbols with the magic gcc incantation:
2111 :    
2112 :     -Wl,--export-all cygwin.def
2113 :    
2114 :     where cygwin.def is a file containing all the symbols that
2115 : blume 2155 we wish to export.
2116 : allenleung 1468
2117 : blume 2155 I suspect this is a Windows problem and we'll have to
2118 :     do the same (somehow with windows compilers) when
2119 : allenleung 1468 we build the native win32 version with the system
2120 : blume 2155 calls LoadLibrary/GetProcAddress.
2121 : allenleung 1468
2122 :     ----------------------------------------------------------------------
2123 : mblume 1384 Name: Matthias Blume (blume (at) tti - c (dot) org)
2124 : mblume 1465 Date: 2004/03/04 16:35:00 CST
2125 :     Tag: blume-20040304-intinf-fmt
2126 :     Description:
2127 :    
2128 :     Fixed problem with IntInf.fmt (sign would show up on the right instead
2129 :     of on the left for BIN, OCT, and HEX).
2130 :    
2131 :     ----------------------------------------------------------------------
2132 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2133 : mblume 1464 Date: 2004/03/04 11:25:00 CST
2134 :     Tag: blume-20040304-symlinks
2135 :     Description:
2136 :    
2137 :     Fixed problem with installer script (unix only) where bin/ml-yacc and
2138 :     friends pointed (via symlinks) to absolute locations instead of just
2139 :     .run-sml. This was reported by Vesa A Norrman.
2140 :    
2141 :     ----------------------------------------------------------------------
2142 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2143 : mblume 1455 Date: 2004/02/13 14:50:00 CST
2144 :     Tag: Release_110_45
2145 :     Description:
2146 :    
2147 :     New working version (110.45). New bootfiles.
2148 :    
2149 :     ----------------------------------------------------------------------
2150 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2151 : mblume 1448 Date: 2004/01/26 15:15:15 CST
2152 :     Tag: blume-20040126-toplevel
2153 :     Description:
2154 :    
2155 :     Improved handling of exceptions at the interactive toplevel.
2156 :    
2157 :     ----------------------------------------------------------------------
2158 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2159 :     Date: 2004/01/26 11:25:00
2160 : mblume 1446 Tag: blume-20040126-app
2161 :     Description:
2162 :    
2163 :     Type of top-level "app" corrected.
2164 : mblume 1447 Added code for setting vp_limitPtrMask to Win32-specific runtime.
2165 : mblume 1446
2166 :     ----------------------------------------------------------------------
2167 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2168 : mblume 1427 Date: 2003/11/18 17:10 CST
2169 :     Tag: blume-20031118-basis-fiddle
2170 :     Description:
2171 :    
2172 :     - changed Timer interface to what might become the spec
2173 :     - POSIX_FLAGS -> BIT_FLAGS according to spec
2174 :     - some other minor discrepancies wrt. spec eliminated
2175 :    
2176 :     ----------------------------------------------------------------------
2177 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2178 : mblume 1414 Date: 2003/11/06 12:00:00 CST
2179 :     Tag: Release_110_44
2180 :     Description:
2181 :    
2182 :     New working version (110.44). New bootfiles.
2183 :    
2184 :     ----------------------------------------------------------------------
2185 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2186 : mblume 1411 Date: 2003/11/04 11:50:00 CST
2187 :     Tag: blume-20031104-move-libraries
2188 :     Description:
2189 :    
2190 :     Eliminated the "dont_move_libraries" directive in config/targets.
2191 :     (The mechanism was broken and could not be fixed easily. Moreover,
2192 :     there does not seem to be any reason not to move all libraries into
2193 :     lib during installation. I originally implemented this directive as a
2194 :     backward-compatibility feature when I first introduced the new CM.
2195 :     Now that things have been stable for a long time and going back to the
2196 :     old CM is not an option, there is no reason to keep it around.)
2197 :    
2198 :     ----------------------------------------------------------------------
2199 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2200 : mblume 1409 Date: 2003/11/03 16:00:00 CST
2201 :     Tag: blume-20031103-installdir
2202 :     Description:
2203 :    
2204 :     Made installer honor INSTALLDIR variable again. (Thanks to Chris
2205 :     Richards for pointing out the problem and providing the solution.)
2206 :    
2207 :     ----------------------------------------------------------------------
2208 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2209 : mblume 1400 Date: 2003/10/01 17:05:00 CDT
2210 :     Tag: blume-20031001-lal-mlrisc
2211 :     Description:
2212 :    
2213 :     MLRISC bug fix from Lal.
2214 :    
2215 :     ----------------------------------------------------------------------
2216 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2217 : mblume 1399 Date: 2003/09/30 16:10:00 CDT
2218 :     Tag: blume-20030930-primio-bat
2219 : mblume 1398 Description:
2220 :    
2221 :     1. Added openVector, nullRd, and nullWr to PRIM_IO.
2222 :     2. Improved .bat files (for Win32 port) to make things work under Win95.
2223 :     (thanks to Aaron S. Hawley for this one)
2224 :    
2225 :     ----------------------------------------------------------------------
2226 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2227 : mblume 1395 Date: 2003/09/26 16:05:00 CDT
2228 :     Tag: blume-20030926-wrappriv
2229 :     Description:
2230 :    
2231 :     Added missing wrapper for privilege "primitive" in $smlnj/viscomp/core.cm.
2232 :    
2233 :     ----------------------------------------------------------------------
2234 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2235 : mblume 1394 Date: 2003/09/26 15:00:00 CDT
2236 :     Tag: blume-20030926-110_43_3
2237 :     Description:
2238 :    
2239 :     - additional cleanup
2240 :     - version number bump, NEW BOOTFILES
2241 :    
2242 :     ----------------------------------------------------------------------
2243 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2244 : mblume 1393 Date: 2003/09/26 12:00:00 CDT
2245 :     Tag: blume-20030926-ppautoload
2246 :     Description:
2247 :    
2248 :     I modified the read-eval-print loop so that the autoloader gets
2249 :     invoked whenever the prettyprinter tries to look up a symbol that
2250 :     is not currently defined in the toplevel environment but which
2251 :     appears in CM's autoload registry. As a result, we see far fewer of
2252 :     those ?.Foo.Bar.xxx names in the prettyprinter's output.
2253 :    
2254 :     In addition to this I tried to clean up some pieces of the Basis
2255 :     implementation (e.g., Socket, Word8Array) in order to prevent other
2256 :     instances of these ?.Foo.Bar.xxx names from being printed.
2257 :    
2258 :     The mechanism that picks names for types still needs some work, though.
2259 :     (Right now it seems that if there is a type A.t which is defined to
2260 : mblume 1394 be B.u, but B is unavailable at toplevel, then A.t gets printed as
2261 :     "?.B.u" although the perhaps more sensible solution would be to use
2262 : mblume 1393 "A.t" in this case. In other words, the prettyprinter should follow
2263 :     a chain of DEFtycs not farther than there are corresponding toplevel
2264 :     names in the current environment.)
2265 :    
2266 :     ----------------------------------------------------------------------
2267 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2268 : mblume 1391 Date: 2003/09/24 16:31:00 CDT
2269 :     Tag: blume-20030924-installer
2270 :     Description:
2271 :    
2272 :     Another installer tweak: All the ML code for the installer is now
2273 :     compiled during CMB.make and put into a little library called
2274 :     $smlnj/installer.cm. The installation then simply invokes
2275 :    
2276 :     sml -m $smlnj/installer.cm
2277 :    
2278 :     and everything happens automagically.
2279 :    
2280 :     Win32: ML code senses value of environment variable SMLNJ_HOME.
2281 :     Unix: ML code senses values of environment variables ROOT, CONFIGDIR,
2282 :     and BINDIR.
2283 :    
2284 :     The new scheme guarantees that the ML code responsible for the installation
2285 :     is in sync with the APIs of the main system. Also, the installer is
2286 :     somewhat faster because the installer script is precompiled.
2287 :    
2288 :     ----------------------------------------------------------------------
2289 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2290 : mblume 1390 Date: 2003/09/24 15:35:00 CDT
2291 :     Tag: blume-20030924-synsock
2292 :     Description:
2293 :    
2294 :     Added a signature SYNCHRONOUS_SOCKET to basis.cm. This is like SOCKET
2295 :     but excludes all non-blocking operations. Defined SOCKET (in Basis)
2296 :     and CML_SOCKET in terms of SYNCHRONOUS_SOCKET. Removed superfluous
2297 :     implementations of non-blocking operations from CML's Socket
2298 :     structure.
2299 :    
2300 :     ----------------------------------------------------------------------
2301 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2302 : mblume 1389 Date: 2003/09/24 15:10:05 CDT
2303 :     Tag: blume-20030924-sockets
2304 :     Description:
2305 :    
2306 :     1. Fixed SOCKET API and implementation to match Basis spec.
2307 :     This required changing the internal representation of sockets to one
2308 :     that remembers (for each socket file descriptor) whether it is currently
2309 :     blocking or non-blocking. This state is maintained lazily (i.e., a system
2310 :     call is made only if the state actually needs to change).
2311 :    
2312 :     2. OS-specific details of sockets were moved into separate files, thus
2313 :     making it possible to unify the bulk of the socket implementations
2314 :     between Unix and Win32.
2315 :    
2316 :     3. CML's socket API changed accordingly.
2317 :     (Note that we need to remove non-blocking functions from this API
2318 :     since they are redundant in the case of CML!)
2319 :    
2320 :     4. CML's socket implementation now makes use of non-blocking functions
2321 :     provided by Basis, thus removing all OS-dependent code from this part
2322 :     of CML.
2323 :    
2324 :     5. Changed Real64.precision from 52 to 53. Minor cleanup in Real64 code.
2325 :    
2326 :     ----------------------------------------------------------------------
2327 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2328 : mblume 1387 Date: 2003/09/22 12:10:00 CDT
2329 : mblume 1388 Tag: blume-20030922-110_43_2
2330 : mblume 1387 Description:
2331 :    
2332 :     Made a new interim version and bootfiles for developer's bootstrapping
2333 :     convenience.
2334 :    
2335 :     110.43.2 -- NEW BOOTFILES
2336 :    
2337 :     ----------------------------------------------------------------------
2338 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2339 : mblume 1385 Date: 2003/09/19 15:55:00 CDT
2340 :     Tag: blume-20030919-cmdir
2341 :     Description:
2342 :    
2343 :     1. new-install.sh -> install.sh
2344 :     2. changed default CM "metadata" directory name to ".cm" (instead of "CM")
2345 :     3. tweaked installer so that another name instead of .cm can be chosen
2346 :     at install time (by setting the CM_DIR_ARC environment variable
2347 :     during installation); once installation is complete, the name is
2348 :     fixed
2349 :    
2350 :     ----------------------------------------------------------------------
2351 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2352 : mblume 1384 Date: 2003/09/18 16:00:00 CDT
2353 :     Tag: blume-20030918-110_43_1
2354 :     Description:
2355 :    
2356 :     Made a new interim version and bootfiles for developer's bootstrapping
2357 :     convenience.
2358 :    
2359 :     110.43.1 -- NEW BOOTFILES
2360 :    
2361 :     ----------------------------------------------------------------------
2362 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2363 : mblume 1383 Date: 2003/09/18 15:20:00 CDT
2364 :     Tag: blume-20030918-misc
2365 :     Description:
2366 :    
2367 :     1. Exported fractionsPerSecond etc. from TimeImp (but not from Time as
2368 :     this seems to be controversial at the moment) and used those in
2369 :     Posix.ProcEnv.times.
2370 :    
2371 :     2. Added Time.{from,to}Nanoseconds to Time.
2372 :    
2373 :     3. Improved Real.{from,to}LargeInt by avoiding needless calculations.
2374 :     For example, fromLargeInt never needs to look at more than 3 "big
2375 :     digits" to get its 53 bits of precision.
2376 :    
2377 :     ----------------------------------------------------------------------
2378 : mblume 1384 Name: Matthias Blume (blume (at) tti - c (dot) org)
2379 : mblume 1381 Date: 2003/09/17 16:30:00 CDT
2380 :     Tag: blume-20030917-real32-slices
2381 :     Description:
2382 :    
2383 :     Added an entry to the primitive environment
2384 :     (compiler/Semant/statenv/prim.sml) for int32->real64 conversion and
2385 :     added code to compiler/CodeGen/main/mlriscGen.sml to implement it.
2386 :    
2387 :     Removed some of the "magic" constants in real64.sml and replaced them
2388 :     with code that generates these values from their corresponding
2389 :     integer counterparts.
2390 :    
2391 :     Made all(?) the slice-related changes to the Basis and made everything
2392 :     compile again...
2393 :    
2394 :     ----------------------------------------------------------------------
2395 : mblume 1368 Name: Matthias Blume (blume (at) tti - c (dot) org)
2396 : mblume 1375 Date: 2003/09/15 17:45:00 CDT
2397 :     Tag: blume-20030915-rbase
2398 :     Description:
2399 :    
2400 :     Fixed bug in Real.fromLargeInt.
2401 :    
2402 :     ----------------------------------------------------------------------
2403 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2404 : mblume 1369 Date: 2003/09/13 18:11:00 CDT
2405 :     Tag: blume-20030913-libinstall
2406 :     Description:
2407 :    
2408 :     Minor bugfix in config/libinstall (set anchor with path to
2409 :     standalone tool after installing it, otherwise libraries that
2410 :     need ml-lex or ml-yacc won't compile the first time the installer
2411 :     runs).
2412 :    
2413 :     ----------------------------------------------------------------------
2414 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2415 : mblume 1368 Date: 2003/09/12 11:45:00 CDT
2416 :     Tag: blume-20030912-various
2417 :     Description:
2418 :    
2419 :     - fixed bug in Real.toLargeInt
2420 :     - fixed bug in Posix.ProcEnv.times
2421 :     - changed inputLine functions to return an option
2422 :     - minor installer improvements / bugfixes
2423 :     - changed default @SMLalloc parameter for x86/celeron to 64k
2424 :    
2425 :     ----------------------------------------------------------------------
2426 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2427 : mblume 1356 Date: 2003/09/09 22:00:00 CDT
2428 :     Tag: Release_110_43
2429 :     Description:
2430 :    
2431 :     New working release 110.43. New bootfiles.
2432 :    
2433 :     ----------------------------------------------------------------------
2434 : mblume 1368 Name: Matthias Blume (blume (at) tti - c (dot) org)
2435 : mblume 1354 Date: 2003/09/09 19:20:00 CDT
2436 :     Tag: blume-20030909-installer
2437 :     Description:
2438 :    
2439 :     Rewrote large parts of config/install.sh in SML (config/libinstall.sml).
2440 :     Modified config/install.bat to take advantage of it. Also modified
2441 :     config/install.sh (and called it config/new-install.sh) to take advantage
2442 :     of it on Unix systems. (The SML code is (supposed to be) platform-
2443 :     independent.)
2444 :    
2445 :     The installer can now install everything under Win32
2446 :     as well as under *nix as long as it compiles.
2447 :    
2448 :     Other changes:
2449 :    
2450 :     - made CML compile again under Win32
2451 :     - made eXene compile under Win32 (by providing a fake structure UnixSock
2452 :     and by using OS.Process.getEnv instead of Posix.ProcEnv.getenv)
2453 :     - fixed a bug in nowhere: it assumed that type OS.Process.status is the
2454 :     same as type int; under Win32 it isn't
2455 :     - fixed some slice-related problems in the win32-specific parts of CML
2456 :     - added a functor argument "sameVol" to os-path-fn.sml in the Basis
2457 :     (under Win32, the volume name is case-insensitive, and the
2458 :     OS.Path code compares volume names for equality)
2459 :    
2460 :     ----------------------------------------------------------------------
2461 : mblume 1368 Name: Matthias Blume (blume (at) tti - c (dot) org)
2462 : mblume 1353 Date: 2003/09/08 11:55:00 CDT
2463 :     Tag: blume-20030908-fullpath
2464 :     Description:
2465 :    
2466 :     Made Win32 version of OS.FileSys.fullPath return current directory
2467 :     when given an empty string. This is what the spec says, and incidentally,
2468 :     CM depends on it. (CM otherwise goes into an infinite loop in certain
2469 :     cases when presented with the name of a non-existing .cm file.)
2470 :    
2471 :     ----------------------------------------------------------------------
2472 : mblume 1368 Name: Matthias Blume (blume (at) tti - c (dot) org)
2473 : mblume 1350 Date: 2003/09/04 16:30:00 CDT
2474 : mblume 1352 Tag: blume-20030905-slices-etc
2475 : mblume 1350 Description:
2476 :    
2477 :     1. Changed interface to vectors and arrays in Basis to match
2478 :     (draft) Basis spec.
2479 :     2. Added signatures and implementations of slices according to
2480 :     Basis spec.
2481 :     3. Edited source code throughout the system to make it compile again
2482 :     under 1. and 2. (In some cases code had to be added to have it
2483 :     match the new signatures.)
2484 :     4. MLRISC should be backward-compatible: the copies of the originals
2485 :     of files that needed to change under 3. were retained, the .cm files
2486 :     check the compiler version number and use old versions when
2487 :     appropriate.
2488 :     5. Changed type of OS.FileSys.readDir and Posix.FileSys.readdir to
2489 :     dirstream -> string option (in accordance with Basis spec).
2490 :     6. When generating code that counts lines, ml-lex used function
2491 :     CharVector.foldli, taking advantage of its old interface.
2492 :     This has been replaced with the corresponding code from
2493 :     CharVectorSlice. (html-lex must be re-lexed!)
2494 :     7. BitArray in smlnj-lib/Util has been extended/modified to match the
2495 :     new MONO_ARRAY signature. (Do we need BitArraySlice?)
2496 :     8. Removed temporary additions (fromInternal, toInternal) from the
2497 :     (now obsolete) IntInf in smlnj-lib/Util.
2498 :     9. Cleaned up structure Byte.
2499 :     10. Added localOffset, scan, and fromString to Date (according to spec).
2500 :     Cleaned/corrected implementation of Date.
2501 :     (Still need to check for correctness; implement better canonicalizeDate.)
2502 :     11. Added "scan" to signature IEEE_REAL.
2503 :     12. Some improvements to IntInf [in particular: efficiency-hack for
2504 :     mod and rem when second operand is 2 (for parity checks).]
2505 :     13. Changed representation of type Time.time, using a single IntInf.int
2506 :     value counting microseconds. This considerably simplified the
2507 :     implementation of structure Time. We now support negative time
2508 :     values; scan and fromString handle signs.
2509 :     14. Functor PrimIO now takes two additional arguments (VectorSlice and
2510 :     ArraySlice).
2511 :    
2512 :     ----------------------------------------------------------------------
2513 : mblume 1368 Name: Matthias Blume (blume (at) tti - c (dot) org)
2514 : mblume 1347 Date: 2003/08/28 17:00:00 CDT
2515 :     Tag: blume-20030828-intinf
2516 :     Description:
2517 :    
2518 :     This is a major update which comes with a version number bump
2519 :     (110.42.99 -- yes, we are really close to 110.43 :-), NEW BOOTFILES,
2520 :     and an implementation of IntInf in the Basis.
2521 :    
2522 :     There are a fairly large number of related changes and updates throughout
2523 :     the system:
2524 :    
2525 :     Basis:
2526 :     - Implemented IntInf.
2527 :     - Made LargeInt a projection of IntInf (by filtering through INTEGER).
2528 : mblume 1348 - Added some missing Real64 operations, most notably Real.toLargeInt.
2529 : mblume 1347 - Added FixedInt as a synonym for Int32.
2530 :    
2531 :     compiler:
2532 :     * Added support for a built-in intinf type.
2533 :     - literals
2534 :     - pattern matching
2535 :     - conversion shortcuts (Int32.fromLarge o Int.toLarge etc.)
2536 :     - overloading on literals and operations
2537 :    
2538 :     This required adding a primitive type intinf, some additional
2539 :     primops, and implementations for several non-trivial intinf
2540 :     operations in Core. (The intinf type is completely abstract
2541 :     to the compiler; all operations get delegated back to the Core.)
2542 :    
2543 :     * Intinf equality is handled by polyequal. However, the compiler
2544 :     does not print its usual warning in this case (since polyequal
2545 :     is the right thing to do there).
2546 :    
2547 :     * Improved the organization of structure InlineT.
2548 :    
2549 :     * A word about conversion primops:
2550 :     If conversions involving intinf do not cancel out during
2551 : mblume 1348 CPS contract, then the compiler must insert calls to Core functions.
2552 : mblume 1347 Since all core access must be resolved already during the FLINT
2553 :     translate phase, it would be too late a the time of CPS contract
2554 : mblume 1348 to add new Core calls. For this reason, conversion primops
2555 : mblume 1347 for intinf carry two arguments: 1. the numeric argument that
2556 :     they are supposed to convert, and 2. the Core function that
2557 :     can help with this conversion if necessary. If CPS contract
2558 : mblume 1348 eliminates a primop, then the associated Core function becomes
2559 :     dead and goes away. Intinf conversion primops that do not get
2560 :     eliminated by CPS contract get rewritten into calls of their
2561 :     core functions by a separate, new phase.
2562 : mblume 1347
2563 :     interactive system:
2564 :     - Control.Print.intinfDepth controls max length of intinf constants
2565 :     being printed. (Analogous to Control.Print.stringDepth.)
2566 :     - Cleanup in printutil and pputil: got rid of unused stuff and
2567 :     duplicates; replaced some of the code with code that makes better
2568 :     use of library functionality.
2569 :    
2570 :     CM:
2571 :     Bugfix: parse-errors in init group (system/smlnj/init/init.cmi)
2572 :     are no longer silent.
2573 :    
2574 :     CKIT:
2575 :     Fixed mismatched uses of Int32 and LargeInt. I always decided
2576 :     in favor of LargeInt -- which is now the same as IntInf.
2577 :     CKIT-knowledgable people should check whether this is what's
2578 :     intended and otherwise change things back to using Int32 or
2579 :     FixedInt.
2580 :    
2581 :     Throughout the code:
2582 : mblume 1348 Started using IntInf.int literals and built-in operations
2583 : mblume 1347 (e.g., comparison with 0) where this seems appropriate.
2584 :    
2585 :    
2586 :     ----------------------------------------------------------------------
2587 : macqueen 1343 Name: Dave MacQueen (dbm@cs.uchicago.edu)
2588 :     Date: 2003/08/13 11:36:00 CDT
2589 :     Tag: dbm-20030813-mcz-merge1
2590 :     Description:
2591 :    
2592 :     Merging changes from the mcz-branch development branch into trunk.
2593 :     These changes involve replacement of the emulated old prettyprinter
2594 :     interface with direct use of the SML/NJ Lib PP library, and fixing
2595 :     of a couple of bugs (895, 1186) relating to error messages. A new
2596 :     prettyprinter for ast datatypes (Elaborator/print/ppast.{sig,sml})
2597 :     has been added.
2598 :    
2599 :     ----------------------------------------------------------------------
2600 : mblume 1368 Name: Matthias Blume (blume (at) tti - c (dot) org)
2601 : mblume 1342 Date: 2003/08/11 15:45:00 CDT
2602 :     Tag: blume-20030811-windows
2603 :     Description:
2604 :    
2605 :     Version number bumped to 110.42.9. NEW BOOTFILES!!!
2606 :    
2607 :     http://smlnj.cs.uchicago.edu/dist/working/110.42.9/
2608 :    
2609 :     This patch restores SML/NJ's ability to run under win32. There are a
2610 :     number of changes, including fixes for several bugs that had gone
2611 :     unnoticed until now:
2612 :    
2613 :     - uname "CYGWIN_NT*" is recognized as win32 (This is relevant only when
2614 :     trying to run the win32 version from within cygwin.)
2615 :    
2616 :     - There are a number of simple .bat scripts that substitute for their
2617 :     corresponding Unix shell-scripts. (See below.)
2618 :    
2619 :     - The internals of ml-build have been modified slightly. The main
2620 :     difference is that instead of calling ".link-sml" (or link-sml.bat)
2621 :     using OS.Process.system, the ML process delegates this task back
2622 :     to the script. Otherwise problems arise in mixed environments such
2623 :     as Cygwin where scripts look and work like Unix scripts, but
2624 :     where OS.Process.system cannot run them.
2625 :    
2626 :     - In CM, the srcpath pickler used native pathname syntax -- which
2627 :     is incorrect in the case of cross-compilation. The new pickle format
2628 :     is independent of platform-specific naming conventions.
2629 :    
2630 :     - Path configuration files (such as lib/pathconfig) can now choose
2631 :     between native and standard syntax. Placing a line of the form
2632 :    
2633 :     standard!
2634 :    
2635 :     into the file causes all subsequent paths to be interpreted using
2636 :     CM standard pathname syntax (= Unix conventions); a line
2637 :    
2638 :     native!
2639 :    
2640 :     switches back to native style. This was needed so that
2641 :     path config files can be written portably, see src/system/pathconfig.
2642 :    
2643 :     - Runtime system:
2644 :    
2645 :     - win32-filesys.c: get_file_time and set_file_time now
2646 :     access modification time, not creation time.
2647 :    
2648 :     - I/O code made aware of new array representation.
2649 :    
2650 :     - Bug fixes in X86.prim.masm.
2651 :    
2652 :     - src/system/makeml made aware of win32. (For use under cygwin
2653 :     and other Unix-environments for windows.)
2654 :    
2655 :     - In Basis, fixed off-by-one error in win32-io.sml (function vecF)
2656 :     which caused BinIO.inputAll to fail consistently.
2657 :    
2658 :     .bat scripts:
2659 :    
2660 :     Windows .bat scripts assume that SMLNJ_HOME is defined.
2661 :    
2662 :     - sml.bat, ml-yacc.bat, ml-lex.bat: Driver scripts for standalone
2663 :     applications (sml, ml-yacc, ml-lex).
2664 :     - ml-build.bat: analogous to ml-build.
2665 :     - config\install.bat: Analogous to config/install.sh. This requires
2666 :     that SMLNJ_HOME is set and that Microsoft Visual C is ready to use.
2667 :     (nmake etc. must be on the path, and vcvars32 must have been run.)
2668 :     Moreover, sources for ml-lex and ml-yacc need to exist under src,
2669 :     and the bootfile hierarchy must have been unpacked under
2670 :     sml.boot.x86-win32.
2671 :     The script is very primitive and does a poor job at error checking.
2672 :     It only installs the base system, ml-lex, and ml-yacc. No other
2673 :     libraries are being installed (i.e., you get only those that
2674 :     are part of the compiler.)
2675 :     - link-sml.bat: analogous to .link-sml, but not currently used
2676 :    
2677 :     Unrelated bug fixes:
2678 :    
2679 :     - ml-nlffigen now exports structures ST_* corresponding to incomplete
2680 :     types.
2681 :     - Added getDevice to PP/src/pp-debug-fn.sml. (Would not compile
2682 :     otherwise.)
2683 :    
2684 :     ----------------------------------------------------------------------
2685 : macqueen 1337 Name: Dave MacQueen (macqueen@cs.uchicago.edu)
2686 :     Date: 2003/06/17
2687 :     Tag: macqueen-20030617-bug895
2688 :     Description:
2689 :    
2690 :     Modified compiler/Elaborator/print/pptype.sml to fix bug 895.
2691 :     Tag will be used for new development branch (mcz-branch) for
2692 :     use by MacQueen, (Lucasz) Zairek, and (George) Cao at uchicago.
2693 :    
2694 :     ----------------------------------------------------------------------
2695 : mblume 1368 Name: Matthias Blume (blume (at) tti - c (dot) org)
2696 : mblume 1335 Date: 2003/05/27 16:55:00 CDT
2697 :     Tag: blume-20030527-polyeq
2698 :     Description:
2699 :    
2700 :     Tried to eliminated most cases of polymorphic equality.
2701 :    
2702 :     ----------------------------------------------------------------------
2703 : mblume 1368 Name: Matthias Blume (blume (at) tti - c (dot) org)
2704 : mblume 1334 Date: 2003/05/21 17:45:00 CDT
2705 :     Tag: blume-20030517-complete
2706 :     Description:
2707 :    
2708 :     Two changes:
2709 :    
2710 :     1. Added a flag for controlling whether non-exhaustive bindings will
2711 :     be treated as errors (default is false).
2712 :     2. Cleaned up the *entire* source tree so that CMB.make goes through
2713 :     without a single non-exhaustive match- or bind warning.
2714 :    
2715 :     ----------------------------------------------------------------------
2716 : mblume 1368 Name: Matthias Blume (blume (at) tti - c (dot) org)
2717 : mblume 1332 Date: 2003/05/17 10:20:00 CDT
2718 :     Tag: blume-20030517-absyn
2719 :     Description:
2720 :    
2721 :     1. Added cases for IF, WHILE, ANDALSO, and ORELSE to Absyn.
2722 :    
2723 :     This mainly affects the quality of error messages. However, some
2724 :     of the code is now more straightforward than before. (Treatment of
2725 :     the above four constructs in translate.sml is much simpler than
2726 :     the "macro-expansion" that was going on before. Plus, the mach-
2727 :     compiler no longer gets invoked just to be able to compile an
2728 :     if-expression.)
2729 :    
2730 :     2. The ErrorMsg.Error exception is now caught and absorbed by the
2731 :     interactive loop.
2732 :    
2733 :     ----------------------------------------------------------------------
2734 : allenleung 1327 Name: Allen Leung
2735 :     Date: 2003/05/16 13:05:00 CDT
2736 :     Tag: leunga-20030516-cygwin-runtime
2737 :     Description:
2738 :    
2739 : blume 2155 Ported the runtime system to cygwin, which uses the unix
2740 : allenleung 1327 x86-unix bin files. Missing/buggy features:
2741 :    
2742 : blume 2155 o getnetbyname, getnetbyaddr: these functions seem to be missing in
2743 : allenleung 1327 the Cygwin library.
2744 :     o Ctrl-C handling may be flaky.
2745 :     o Windows system calls and Windows I/O are not supported.
2746 :    
2747 :     A new set of binfiles is located at:
2748 :    
2749 :     http://www.dorsai.org/~leunga/boot.x86-unix.tgz
2750 :    
2751 :     This is only needed for bootstrapping the cygwin version of smlnj.
2752 :     Other x86 versions can use the existing binfiles.
2753 :    
2754 :     ----------------------------------------------------------------------
2755 : mblume 1317 Name: Matthias Blume
2756 :     Date: 2003/04/08 15:42:00 CDT
2757 :     Tag: blume-20030408-listpair
2758 :     Description:
2759 :    
2760 :     1. Added a target 'mlrisc' to installer.
2761 :    
2762 :     2. Added missing elements to structure ListPair.
2763 :    
2764 :     ----------------------------------------------------------------------
2765 : leunga 1296 Name: Allen Leung
2766 :     Date: 2003/01/07 10:40:00 EST
2767 :     Tag: leunga-20030107-int-rem
2768 :     Description:
2769 :    
2770 :     Fixed a bug in Int.rem(x,y) where y is a power of 2 on x86.
2771 :     The arguments to the SUBL instruction were swapped.
2772 :    
2773 :     ----------------------------------------------------------------------
2774 : blume 1229 Name: Matthias Blume
2775 : blume 1294 Date: 2002/12/12 16:25:00 EST
2776 :     Tag: blume-20021212-risc-ra
2777 :     Description:
2778 :    
2779 :     Fixed a serious bug in the rewrite code for FP spilling/reloading that
2780 :     sent the RA into an infinite loop when floating point registers get
2781 :     spilled. (Because of this bug, e.g., nucleic stopped compiling between
2782 :     110.37 and 110.38.)
2783 :     There was another set of potential problems related to the handling of
2784 :     MLRISC annotations (but those did not yet cause real problems, apparently).
2785 :    
2786 :     ----------------------------------------------------------------------
2787 :     Name: Matthias Blume
2788 : blume 1291 Date: 2002/12/06 22:40:00 EST
2789 :     Tag: blume-20021206-cm-fileid
2790 :     Description:
2791 :    
2792 :     Added a call of SrcPath.sync at the beginning of Parse.parse (in CM).
2793 :     This fixes the problem of CM getting confused by files that suddenly
2794 :     change their identity (e.g., by getting unlinked and recreated by some
2795 :     text editor such as vi). There might be a better/cheaper/cleaner way
2796 :     of doing this, but for now this will have to do.
2797 :    
2798 :     ----------------------------------------------------------------------
2799 :     Name: Matthias Blume
2800 : blume 1288 Date: 2002/10/28 09:50:00 EST
2801 : blume 2155 Tag: blume-20021028-typecheck
2802 : blume 1288 Description:
2803 :    
2804 :     Exported structure Typecheck from $smlnj/viscomp/core.cm.
2805 :    
2806 :     ----------------------------------------------------------------------
2807 :     Name: Matthias Blume
2808 : blume 1282 Date: 2002/10/17 09:10:00 EDT
2809 : blume 1279 Tag: Release_110_42
2810 :     Description:
2811 :    
2812 : blume 1282 In good old tradition, there has been a slight hiccup so that we have
2813 :     to patch 110.42 after the fact. The old release tag has been replaced
2814 :     (see below).
2815 :    
2816 :     The change solves a problem with two competing approaches the
2817 :     configuration problem regarding MacOS 10.1 vs. MacOS 10.2 which got in
2818 :     each other's way.
2819 :    
2820 :     This change only affects the runtime system code and the installer script.
2821 :     (No new bootfiles.)
2822 :    
2823 :     ----------------------------------------------------------------------
2824 :     Name: Matthias Blume
2825 :     Date: 2002/10/16 12:00:00 EDT
2826 :     Tag: Release_110_42_removed
2827 :     Description:
2828 :    
2829 : blume 1279 New working release. New bootfiles.
2830 :    
2831 :     ----------------------------------------------------------------------
2832 :     Name: Matthias Blume
2833 : blume 1273 Date: 2002/10/10 13:10:00 EDT
2834 :     Tag: blume-20021010-ppc-divs
2835 :     Description:
2836 :    
2837 :     The mltree operator DIVS must be implemented with an overflow check on
2838 :     the PPC because the hardware indicates divide-by-zero using "overflow" as
2839 :     well.
2840 :    
2841 :     ----------------------------------------------------------------------
2842 :     Name: Matthias Blume
2843 : blume 1261 Date: 2002/07/23 11:45:00
2844 :     Tag: blume-20020723-smlnj-home
2845 :     Description:
2846 :    
2847 :     Sml now senses the SMLNJ_HOME environment variable. If this is set,
2848 :     then the bin dir is assumed to be in $SMLNJ_HOME/bin and (unless
2849 :     CM_PATHCONFIG is also set), the path configuration file is assumed
2850 :     to be in $SMLNJ_HOME/lib/pathconfig. This way one can easily move
2851 :     the entire tree to some other place and everything will "just work".
2852 :    
2853 :     (Companion commands such as ml-build and ml-makedepend also sense this
2854 :     variable.)
2855 :    
2856 :     ----------------------------------------------------------------------
2857 :     Name: Matthias Blume
2858 : blume 1259 Date: 2002/07/12 21:19:00 EDT
2859 :     Tag: blume-20020712-liveness
2860 :     Description:
2861 :    
2862 :     Exported two useful "step" functions from liveness module (MLRISC).
2863 :    
2864 :     ----------------------------------------------------------------------
2865 :     Name: Matthias Blume
2866 : blume 1253 Date: 2002/07/05 16:00 EDT
2867 :     Tag: Release_110_41
2868 :     Description:
2869 :    
2870 :     New working release. New bootfiles.
2871 :    
2872 :     ----------------------------------------------------------------------
2873 :     Name: Matthias Blume
2874 : blume 1250 Date: 2002/07/05 10:25:00 EDT
2875 :     Tag: blume-20020705-btimp
2876 :     Description:
2877 :    
2878 :     Exported structure BTImp from $smlnj/viscomp/debugprof.cm so that
2879 :     other clients can set up backtracing support.
2880 :    
2881 :     ----------------------------------------------------------------------
2882 :     Name: Matthias Blume
2883 : blume 1249 Date: 2002/06/25 17:23:00 EDT
2884 :     Tag: blume-20020625-fpmax
2885 :     Description:
2886 :    
2887 :     Fixed a bug in translation of INLMAX (and INLMIN) for the floating-point
2888 :     case. (The sense of the isNaN test was reversed -- which made min and
2889 :     max always return their first argument.)
2890 :    
2891 :     ----------------------------------------------------------------------
2892 :     Name: Matthias Blume
2893 : blume 1240 Date: 2002/06/11
2894 :     Tag: blume-20020611-unixpath
2895 :     Description:
2896 :    
2897 :     Back-ported OS.Path.{from,to}UnixPath from idlbasis-devel branch.
2898 :    
2899 :     ----------------------------------------------------------------------
2900 :     Name: Matthias Blume
2901 : blume 1238 Date: 2002/06/10 16:35:00 EDT
2902 :     Tag: blume-20020610-ieeereal
2903 :     Description:
2904 :    
2905 :     I back-ported my implementation of IEEEReal.fromString from the
2906 :     idlbasis-devel branch so that we can test it.
2907 :    
2908 :     Another small change is that ppDec tries to give more information
2909 :     than just "<sig>" in the case of functors. However, this code is
2910 :     broken in some mysterious way if the functor's body's signature
2911 :     has not been declared by ascription but gets inferred from the
2912 :     implementation. This needs fixing...
2913 :    
2914 :     ----------------------------------------------------------------------
2915 :     Name: Matthias Blume
2916 : blume 1229 Date: 2002/05/31
2917 :     Tag: blume-20020531-btrace-mode
2918 :     Description:
2919 :    
2920 :     Resurrected SMLofNJ.Internals.BTrace.mode. (It accidentally fell by
2921 :     the wayside when I switched over to using Controls everywhere.)
2922 :    
2923 :     ----------------------------------------------------------------------
2924 : george 1222 Name: Lal George
2925 :     Date: 2002/05/23 12:21:40 EDT
2926 :     Tag: george-20020523-visual-labels
2927 :     Description:
2928 :    
2929 :     Labels are now displayed in the graphical output to make
2930 :     the fall-through and target blocks obvious.
2931 :    
2932 :     ----------------------------------------------------------------------
2933 : blume 1204 Name: Matthias Blume
2934 : blume 1220 Date: 2002/05/22 11:03:00 EDT
2935 :     Tag: blume-20020522-shrink
2936 :     Description:
2937 :    
2938 :     John tweaked yesterday's fix for 1131 to handle an out-of-memory
2939 :     situation that comes up when allocating huge arrays.
2940 :    
2941 :     ----------------------------------------------------------------------
2942 :     Name: Matthias Blume
2943 : blume 1215 Date: 2002/05/21 16:00:00 EDT
2944 :     Tag: Release_110_40
2945 :     Description:
2946 :    
2947 :     New working release (110.40). New bootfiles.
2948 :    
2949 :     [Also: John Reppy fixed GC bug 1131.]
2950 :    
2951 :     ----------------------------------------------------------------------
2952 :     Name: Matthias Blume
2953 : blume 1212 Date: 2002/05/21 12:35:00 EDT
2954 :     Tag: blume-20020521-cmdoc
2955 :     Description:
2956 :    
2957 :     CM documentation update.
2958 :    
2959 :     ----------------------------------------------------------------------
2960 :     Name: Matthias Blume
2961 : blume 1211 Date: 2002/05/21 10:55:00 EDT
2962 :     Tag: blume-20020521-misc
2963 :     Description:
2964 :    
2965 :     - John tweaked runtime to be silent on heap export (except when
2966 :     GC messages are on).
2967 :     - I added a few more things (cross-compiling versions of CMB) to
2968 :     config/preloads (as suggestions).
2969 :    
2970 :     ----------------------------------------------------------------------
2971 :     Name: Matthias Blume
2972 : blume 1208 Date: 2002/05/20 22:25:00 EDT
2973 :     Tag: blume-20020520-controls
2974 :     Description:
2975 :    
2976 :     - Added ControlUtil structure to control-lib.cm.
2977 :     - Use it throughout.
2978 :     - Used Controls facility to define MLRISC controls (as opposed to
2979 :     registering MLRISC control ref cells with Controls after the fact)
2980 :     - Fixed messed-up controls priorities.
2981 :    
2982 :     * Removed again all the stuff from config/preloads that one wouldn't
2983 :     be able to preload at the time the initial heap image is built.
2984 :     (Many libraries, e.g., CML, do not exist yet at this time. The
2985 :     only libraries that can be preloaded via config/preloads are those
2986 :     that come bundled with the bootfiles.)
2987 :    
2988 :     ----------------------------------------------------------------------
2989 :     Name: Matthias Blume
2990 : blume 1204 Date: 2002/05/20 10:59:00 EDT
2991 :     Tag: blume-20020520-preloads
2992 :     Description:
2993 :    
2994 :     Added a lot of commented-out suggestions for things to be included
2995 :     in config/preloads.
2996 :    
2997 :     ----------------------------------------------------------------------
2998 : leunga 1203 Name: Allen Leung
2999 :     Date: 2002/05/18 14:20:00 EDT
3000 :     Tag: leunga-20020518-mdl
3001 :     Description:
3002 :    
3003 :     o Made the mdl tool stuff compile and run again.
3004 :     o I've disabled all the stuff that depends on RTL specifications; they
3005 :     are all badly broken anyway.
3006 :    
3007 :     ----------------------------------------------------------------------
3008 : blume 1201 Name: Matthias Blume
3009 :     Date: 2002/05/17 16:49:00 EDT
3010 :     Tag: blume-20020517-controls
3011 :     Description:
3012 :    
3013 :     0. John Reppy made several modifications to the SML/NJ library.
3014 :     In particular, there is a shiny new controls-lib.cm.
3015 :    
3016 :     1. Pushed new controls interface through compiler so that everything
3017 :     compiles again.
3018 :    
3019 :     2. Added FormatComb and FORMAT_COMB to the CML version of the
3020 :     SML/NJ library (so that CML compiles again).
3021 :    
3022 :     3. Modified init scripts because XXX_DEFAULT environment variables
3023 :     are no longer with us. (Boot-time initialization is now done
3024 :     using the same environment variables that are also used for
3025 :     startup-time initialization of controls.)
3026 :    
3027 :     ----------------------------------------------------------------------
3028 : george 1192 Name: Lal George
3029 :     Date: 2002/05/15 09:20:10 EDT
3030 :     Tag: george-20020515-pseudo-op-decls
3031 :     Description:
3032 :    
3033 :     All pseudo-ops emitted before the first segment declaration
3034 :     such as TEXT, DATA, and BSS directives are assumed to be global
3035 :     declarations and are emitted first in the assembly file. This is
3036 :     useful in a number of situations where one has pseudo-ops that are not
3037 :     specific to any segment, and also works around the constraint that one
3038 :     cannot have client pseudo-ops in the TEXT segment.
3039 :    
3040 :     Because no segment is associated with these declarations it is
3041 :     an error to allocate any space or objects before the first segment
3042 :     directive and an exception will be raised. However, we cannot make
3043 :     this check for client pseudo-ops.
3044 :    
3045 :     These top level declarations are a field in the CFG graph_info.
3046 :     In theory you can continue to add to this field after the CFG has been
3047 :     built -- provided you know what you are doing;-)
3048 :    
3049 :     ----------------------------------------------------------------------
3050 : blume 1175 Name: Matthias Blume
3051 : blume 1190 Date: 2002/05/13 16:40:00 EDT
3052 :     Tag: blume-20020513-pp-etc
3053 :     Description:
3054 :    
3055 :     A few minor bugfixes:
3056 :    
3057 :     - Stopgap measure for bug recently reported by Elsa Gunter (ppDec).
3058 :     (Bogus printouts for redefined bindings still occur. Compiler
3059 :     bug should no longer occur now. We need to redo the prettyprinter
3060 :     from scratch.)
3061 :    
3062 :     - CM pathname printer now also adds escape sequences for ( and )
3063 :    
3064 :     - commend and docu fixes for ml-nlffi
3065 :    
3066 :     ----------------------------------------------------------------------
3067 :     Name: Matthias Blume
3068 : blume 1189 Date: 2002/05/10 16:40:00 EDT
3069 :     Tag: blume-20020510-erg-textio
3070 :     Description:
3071 :    
3072 :     Applied the following bugfix provided by Emden Gansner:
3073 :    
3074 :     Output is corrupted when outputSubstr is used rather than output.
3075 :    
3076 : blume 2155 The problem occurs when a substring
3077 : blume 1189
3078 :     ss = (s, dataStart, dataLen)
3079 :    
3080 : blume 2155 where dataStart > 0, fills a stream buffer with avail bytes left.
3081 :     avail bytes of s, starting at index dataStart, are copied into the
3082 : blume 1189 buffer, the buffer is flushed, and then the remaining dataLen-avail
3083 : blume 2155 bytes of ss are copied into the beginning of the buffer. Instead of
3084 :     starting this copy at index dataStart+avail in s, the current code
3085 : blume 1189 starts the copy at index avail.
3086 :    
3087 :     Fix:
3088 :     In text-io-fn.sml, change line 695 from
3089 :     val needsFlush = copyVec(v, avail, dataLen-avail, buf, 0)
3090 : blume 2155 to
3091 : blume 1189 val needsFlush = copyVec(v, dataStart+avail, dataLen-avail, buf, 0)
3092 :    
3093 :     ----------------------------------------------------------------------
3094 :     Name: Matthias Blume
3095 : blume 1186 Date: 2002/04/12 13:55:00 EDT
3096 :     Tag: blume-20020412-assyntax
3097 :     Description:
3098 :    
3099 :     1. Grabbed newer assyntax.h from the XFree86 project.
3100 :     2. Fiddled with how to compile X86.prim.asm without warnings.
3101 :     3. (Very) Minor cleanup in CM.
3102 :    
3103 :     ----------------------------------------------------------------------
3104 :     Name: Matthias Blume
3105 : blume 1185 Date: 2002/04/01 (no joke!) 17:07:00 EST
3106 :     Tag: blume-20020401-x86div
3107 :     Description:
3108 :    
3109 :     Added full support for div/mod/rem/quot on the x86, using the machine
3110 :     instruction's two results (without clumsily recomputing the remainder)
3111 :     directly where appropriate.
3112 :    
3113 :     Some more extensive power-of-two support was added to the x86 instruction
3114 :     selector (avoiding expensive divs, mods, and muls where they can be
3115 :     replaced with cheaper shifts and masks). However, this sort of thing
3116 :     ought to be done earlier, e.g., within the CPS optimizer so that
3117 :     all architectures benefit from it.
3118 :    
3119 :     The compiler compiles to a fixed point, but changes might be somewhat
3120 :     fragile nevertheless. Please, report any strange things that you might
3121 :     see wrt. div/mod/quot/rem...
3122 :    
3123 :     ----------------------------------------------------------------------
3124 :     Name: Matthias Blume
3125 : blume 1184 Date: 2002/03/29 17:22:00
3126 :     Tag: blume-20020329-div
3127 :     Description:
3128 :    
3129 :     Fixed my broken div/mod logic. Unfortunately, this means that the
3130 :     inline code for div/mod now has one more comparison than before.
3131 :     Fast paths (quotient > 0 or remainder = 0) are not affected, though.
3132 :     The problem was with quotient = 0, because that alone does not tell
3133 :     us which way the rounding went. One then has to look at whether
3134 :     remainder and divisor have the same sign... :(
3135 :    
3136 :     Anyway, I replaced the bootfiles with fresh ones...
3137 :    
3138 :     ----------------------------------------------------------------------
3139 :     Name: Matthias Blume
3140 : blume 1183 Date: 2002/03/29 14:10:00 EST
3141 :     Tag: blume-20020329-inlprims
3142 :     Description:
3143 :    
3144 :     NEW BOOTFILES!!! Version number bumped to 110.39.3.
3145 :    
3146 :     Primops have changed. This means that the bin/boot-file formats have
3147 :     changed as well.
3148 :    
3149 :     To make sure that there is no confusion, I made a new version.
3150 :    
3151 :    
3152 :     CHANGES:
3153 :    
3154 :     * removed REMT from mltree (remainder should never overflow).
3155 :    
3156 :     * added primops to deal with divisions of all flavors to the frontend
3157 :    
3158 :     * handled these primops all the way through so they map to their respective
3159 :     MLRISC support
3160 :    
3161 :     * used these primops in the implementation of Int, Int32, Word, Word32
3162 :    
3163 :     * removed INLDIV, INLMOD, and INLREM as they are no longer necessary
3164 :    
3165 :     * parameterized INLMIN, INLMAX, and INLABS by a numkind
3166 :    
3167 :     * translate.sml now deals with all flavors of INL{MIN,MAX,ABS}, including
3168 :     floating point
3169 :    
3170 :     * used INL{MIN,MAX,ABS} in the implementation of Int, Int32, Word, Word32,
3171 :     and Real (but Real.abs maps to a separate floating-point-only primop)
3172 :    
3173 :    
3174 :     TODO items:
3175 :    
3176 :     * Hacked Alpha32 instruction selection, disabling the selection of REMx
3177 :     instructions because the machine instruction encoder cannot handle
3178 :     them. (Hppa, PPC, and Sparc instruction selection did not handle
3179 :     REM in the first place, and REM is supported by the x86 machine coder.)
3180 :    
3181 :     * Handle DIV and MOD with DIV_TO_NEGINF directly in the x86 instruction
3182 :     selection phase. (The two can be streamlined because the hardware
3183 :     delivers both quotient and remainder at the same time anyway.)
3184 :    
3185 :     * Think about what to do with "valOf(Int32.minInt) div ~1" and friends.
3186 :     (Currently the behavior is inconsistent both across architectures and
3187 :     wrt. the draft Basis spec.)
3188 :    
3189 :     * Word8 should eventually be handled natively, too.
3190 :    
3191 :     * There seems to be one serious bug in mltree-gen.sml. It appears, though,
3192 :     as if there currently is no execution path that could trigger it in
3193 :     SML/NJ. (The assumptions underlying functions arith and promotable do not
3194 :     hold for things like multiplication and division.)
3195 :    
3196 :     ----------------------------------------------------------------------
3197 :     Name: Matthias Blume
3198 : blume 1181 Date: 2002/03/27 16:27:00 EST
3199 :     Tag: blume-20020327-mlrisc-divisions
3200 :     Description:
3201 :    
3202 :     Added support for all four division operations (ML's div, mod, quot,
3203 :     and rem) to MLRISC. In the course of doing so, I also rationalized
3204 :     the naming (no more annoying switch-around of DIV and QUOT), by
3205 :     parameterizing the operation by div_rounding_mode (which can be either
3206 :     DIV_TO_ZERO or DIV_TO_NEGINF).
3207 :    
3208 :     The generic MLTreeGen functor takes care of compiling all four
3209 :     operations down to only round-to-zero div.
3210 :    
3211 :     Missing pieces:
3212 :    
3213 :     * Doing something smarter than relying on MLTreeGen on architectures
3214 :     like, e.g., the x86 where hardware division delivers both quotient and
3215 :     remainder at the same time. With this, the implementation of the
3216 :     round-to-neginf operations could be further streamlined.
3217 :    
3218 :     * Remove inlining support for div/mod/rem from the frontend and replace it
3219 :     with primops that get carried through to the backend. Do this for all
3220 :     int and word types.
3221 :    
3222 :     ----------------------------------------------------------------------
3223 :     Name: Matthias Blume
3224 : blume 1180 Date: 2002/03/25 17:25:00 EST
3225 :     Tag: blume-20020325-divmod
3226 :     Description:
3227 :    
3228 :     I improved (hopefully without breaking them) the implementation of Int.div,
3229 :     Int.mod, and Int.rem. For this, the code in translate.sml now takes
3230 :     advantage of the following observations:
3231 :    
3232 :     Let q = x quot y r = x rem y
3233 :     d = x div y m = x mod y
3234 :    
3235 :     where "quot" is the round-to-zero version of integer division that
3236 :     hardware usually provides. Then we have:
3237 :    
3238 :     r = x - q * y where neither the * nor the - will overflow
3239 :     d = if q >= 0 orelse x = q * y then q else q - 1
3240 :     where neither the * nor the - will overflow
3241 :     m = if q >= 0 orelse r = 0 then r else r + y
3242 :     where the + will not overflow
3243 :    
3244 :     This results in substantial simplification of the generated code.
3245 :     The following table shows the number of CFG nodes and edges generated
3246 :     for
3247 :     fun f (x, y) = x OPER y
3248 :     (* with OPER \in div, mod, quot, rem *)
3249 :    
3250 :    
3251 :     OPER | nodes(old) | edges(old) | nodes(new) | edges(new)
3252 :     --------------------------------------------------------
3253 :     div | 24 | 39 | 12 | 16
3254 :     mod | 41 | 71 | 12 | 16
3255 :     quot | 8 | 10 | 8 | 10
3256 :     rem | 10 | 14 | 8 | 10
3257 :    
3258 :    
3259 :     ----------------------------------------------------------------------
3260 :     Name: Matthias Blume
3261 : blume 1179 Date: 2002/03/25 22:06:00 EST
3262 :     Tag: blume-20020325-cprotobug
3263 :     Description:
3264 :    
3265 :     Fixed a bug in cproto (c prototype decoder).
3266 :    
3267 :     ----------------------------------------------------------------------
3268 :     Name: Matthias Blume
3269 : blume 1178 Date: 2002/03/25 16:00:00 EST
3270 :     Tag: blume-20020325-raw-primops
3271 :     Description:
3272 :    
3273 :     I did some cleanup to Allen's new primop code and
3274 :     replaced yesterday's bootfiles with new ones.
3275 :     (But they are stored in the same place.)
3276 :    
3277 :     ----------------------------------------------------------------------
3278 :     Name: Matthias Blume
3279 : blume 1175 Date: 2002/03/24 22:40:00 EST
3280 :     Tag: blume-20020324-bootfiles
3281 :     Description:
3282 :    
3283 :     Made the bootfiles that Allen asked for.
3284 :    
3285 :     ----------------------------------------------------------------------
3286 : leunga 1174 Name: Allen Leung
3287 :     Date: 2002/03/23 15:50:00 EST
3288 :     Tag: leunga-20020323-flint-cps-rcc-primops
3289 :     Description:
3290 :    
3291 :     1. Changes to FLINT primops:
3292 :    
3293 :     (* make a call to a C-function;
3294 :     * The primop carries C function prototype information and specifies
3295 :     * which of its (ML-) arguments are floating point. C prototype
3296 :     * information is for use by the backend, ML information is for
3297 :     * use by the CPS converter. *)
3298 :     | RAW_CCALL of { c_proto: CTypes.c_proto,
3299 :     ml_args: ccall_type list,
3300 :     ml_res_opt: ccall_type option,
3301 :     reentrant : bool
3302 :     } option
3303 :     (* Allocate uninitialized storage on the heap.
3304 :     * The record is meant to hold short-lived C objects, i.e., they
3305 : blume 2155 * are not ML pointers. With the tag, the representation is
3306 : leunga 1174 * the same as RECORD with tag tag_raw32 (sz=4), or tag_fblock (sz=8)
3307 :     *)
3308 : blume 2155 | RAW_RECORD of {tag:bool,sz:int}
3309 : leunga 1174 and ccall_type = CCALL_INT32 | CCALL_REAL64 | CCALL_ML_PTR
3310 :    
3311 :     2. These CPS primops are now overloaded:
3312 :    
3313 :     rawload of {kind:numkind}
3314 :     rawstore of {kind:numkind}
3315 :    
3316 :     The one argument form is:
3317 :    
3318 :     rawload {kind} address
3319 :    
3320 :     The two argument form is:
3321 : blume 2155
3322 : leunga 1174 rawload {kind} [ml object, byte-offset]
3323 :    
3324 :     3. RAW_CCALL/RCC now takes two extra arguments:
3325 :    
3326 :     a. The first is whether the C call is reentrant, i.e., whether
3327 :     ML state should be saved and restored.
3328 :     b. The second argument is a string argument specifying the name of
3329 :     library and the C function.
3330 :    
3331 :     These things are currently not handled in the code generator, yet.
3332 :    
3333 :     4. In CProto,
3334 :    
3335 : blume 2155 An encoding type of "bool" means "ml object" and is mapped into
3336 :     C prototype of PTR. Note that "bool" is different than "string",
3337 : leunga 1174 even though "string" is also mapped into PTR, because "bool"
3338 :     is assigned an CPS type of BOGt, while "string" is assigned INT32t.
3339 :    
3340 :     5. Pickler/unpicker
3341 :    
3342 :     Changed to handle RAW_RECORD and newest RAW_CCALL
3343 :    
3344 :     6. MLRiscGen,
3345 :    
3346 :     1. Changed to handle the new rawload/rawstore/rawrecord operators.
3347 :     2. Code for handling C Calls has been moved to a new module CPSCCalls,
3348 :     in the file CodeGen/cpscompile/cps-c-calls.sml
3349 :    
3350 :     7. Added the conditional move operator
3351 :    
3352 :     condmove of branch
3353 :    
3354 : blume 2155 to cps. Generation of this is still buggy so it is currently
3355 : leunga 1174 disabled.
3356 : blume 2155
3357 : leunga 1174 ----------------------------------------------------------------------
3358 : george 1168 Name: Lal George
3359 : blume 2155 Date: 2002/03/22 14:18:25 EST
3360 : george 1171 Tag: george-20020322-cps-branch-prob
3361 : george 1168 Description:
3362 :    
3363 : blume 2155 Implemented the Ball-Larus branch prediction-heuristics, and
3364 : george 1168 incorporated graphical viewers for control flow graphs.
3365 :    
3366 : george 1171 Ball-Larus Heuristics:
3367 : george 1168 ---------------------
3368 :     See the file compiler/CodeGen/cpscompile/cpsBranchProb.sml.
3369 :    
3370 :     By design it uses the Dempster-Shafer theory for combining
3371 :     probabilities. For example, in the function:
3372 :    
3373 :     fun f(n,acc) = if n = 0 then acc else f(n-1, n*acc)
3374 :    
3375 :     the ball-larus heuristics predicts that the n=0 is unlikely
3376 :     (OH-heuristic), and the 'then' branch is unlikely because of the
3377 :     RH-heuristic -- giving the 'then' branch an even lower combined
3378 : george 1171 probability using the Dempster-Shafer theory.
3379 : george 1168
3380 :     Finally, John Reppy's loop analysis in MLRISC, further lowers the
3381 :     probability of the 'then' branch because of the loop in the else
3382 :     branch.
3383 :    
3384 :    
3385 :     Graphical Viewing:
3386 : blume 2155 ------------------
3387 : george 1168 I merely plugged in Allen's graphical viewers into the compiler. The
3388 :     additional code is not much. At the top level, saying:
3389 :    
3390 :     Control.MLRISC.getFlag "cfg-graphical-view" := true;
3391 :    
3392 :     will display the graphical view of the control flow graph just before
3393 :     back-patching. daVinci must be in your path for this to work. If
3394 :     daVinci is not available, then the default viewer can be changed
3395 :     using:
3396 :    
3397 :     Control.MLRISC.getString "viewer"
3398 :    
3399 :     which can be set to "dot" or "vcg" for the corresponding viewers. Of
3400 :     course, these viewers must be in your path.
3401 :    
3402 :     The above will display the compilation unit at the level of clusters,
3403 :     many of which are small, boring, and un-interesting. Also setting:
3404 :    
3405 :     Control.MLRISC.getInt "cfg-graphical-view_size"
3406 :    
3407 :     will display clusters that are larger than the value set by the above.
3408 :    
3409 : blume 2155
3410 : george 1168 ----------------------------------------------------------------------
3411 : blume 1159 Name: Matthias Blume
3412 :     Date: 2002/03/21 22:20:00 EST
3413 :     Tag: blume-20020321-kmp-bugfix
3414 :     Description:
3415 :    
3416 :     Changed the interface to the KMP routine in PreString and fixed
3417 :     a minor bug in one place where it was used.
3418 :    
3419 :     ----------------------------------------------------------------------
3420 : leunga 1156 Name: Allen Leung
3421 : leunga 1158 Date: 2002/03/21 20:30:00 EST
3422 :     Tag: leunga-20020321-cfg
3423 :     Description:
3424 :    
3425 :     Fixed a potential problem in cfg edge splitting.
3426 :    
3427 :     ----------------------------------------------------------------------
3428 :     Name: Allen Leung
3429 : leunga 1156 Date: 2002/03/21 17:15:00 EST
3430 :     Tag: leunga-20020321-x86-fp-cfg
3431 :     Description:
3432 :    
3433 : blume 2155 1. Recoded the buggy parts of x86-fp.
3434 : leunga 1156
3435 :     a. All the block reordering code has been removed.
3436 :     We now depend on the block placement phases to do this work.
3437 :    
3438 :     b. Critical edge splitting code has been simplified and moved into the
3439 :     CFG modules, as where they belong.
3440 :    
3441 :     Both of these were quite buggy and complex. The code is now much, much
3442 :     simpler.
3443 :    
3444 :     2. X86 backend.
3445 :    
3446 :     a. Added instructions for 64-bit support. Instruction selection for
3447 :     64-bit has not been committed, however, since that
3448 : blume 2155 requires changes to MLTREE which haven't been approved by
3449 : leunga 1156 Lal and John.
3450 :    
3451 : blume 2155 b. Added support for FUCOMI and FUCOMIP when generating code for
3452 : leunga 1156 PentiumPro and above. We only generate these instructions in
3453 :     the fast-fp mode.
3454 :    
3455 : blume 2155 c. Added cases for JP and JNP in X86FreqProps.
3456 :    
3457 : leunga 1156 3. CFG
3458 :    
3459 :     CFG now has a bunch of methods for edge splitting and merging.
3460 :    
3461 :     4. Machine description.
3462 :    
3463 :     John's simplification of MLTREE_BASIS.fcond broke a few machine
3464 :     description things:
3465 :    
3466 :     rtl-build.{sig,sml} and hppa.mdl fixed.
3467 :    
3468 : blume 2155 NOTE: the machine description stuff in the repository is still broken.
3469 :     Again, I can't put my fixes in because that involves
3470 :     changes to MLTREE.
3471 : leunga 1156
3472 :     ----------------------------------------------------------------------
3473 : blume 1145 Name: Matthias Blume
3474 : blume 1155 Date: 2002/03/20 15:55:00 EST
3475 :     Tag: blume-20020320-kmp
3476 :     Description:
3477 :    
3478 :     Implemented Knuth-Morris-Pratt string matching in PreString and used
3479 :     it for String.isSubstring, Substring.isSubstring, and
3480 :     Substring.position.
3481 :    
3482 :     (Might need some stress-testing. Simple examples worked fine.)
3483 :    
3484 :     ----------------------------------------------------------------------
3485 :     Name: Matthias Blume
3486 : blume 1152 Date: 2002/03/19 16:37:00 EST
3487 :     Tag: blume-20020319-witnesses
3488 :     Description:
3489 :    
3490 :     Added a structure C.W and functions convert/Ptr.convert to ml-nlffi-lib.
3491 :    
3492 :     This implements a generic mechanism for changing constness qualifiers
3493 :     anywhere within big C types without resorting to outright "casts".
3494 :     (So far, functions such as C.rw/C.ro or C.Ptr.rw/C.Ptr.ro only let you
3495 :     modify the constness at the outermost level.)
3496 :     The implementation of "convert" is based on the idea of "witness"
3497 :     values -- values that are not used by the operation but whose types
3498 :     "testify" to their applicability. On the implementation side, "convert"
3499 :     is simply a projection (returning its second curried argument). With
3500 :     cross-module inlining, it should not result in any machine code being
3501 :     generated.
3502 :    
3503 :     ----------------------------------------------------------------------
3504 :     Name: Matthias Blume
3505 : blume 1148 Date: 2002/03/15 16:40:00 EST
3506 :     Tag: blume-20020315-basis
3507 :     Description:
3508 :    
3509 :     Provided (preliminary?) implementations for
3510 :    
3511 :     {String,Substring}.{concatWith,isSuffix,isSubstring}
3512 :    
3513 :     and
3514 :    
3515 :     Substring.full
3516 :    
3517 :     Those are in the Basis spec but they were missing in SML/NJ.
3518 :    
3519 :     ----------------------------------------------------------------------
3520 :     Name: Matthias Blume
3521 : blume 1145 Date: 2002/03/14 21:30:00 EST
3522 :     Tag: blume-20020314-controls
3523 :     Description:
3524 :    
3525 :     Controls:
3526 :     ---------
3527 :    
3528 :     1. Factored out the recently-added Controls : CONTROLS stuff and put
3529 :     it into its own library $/controls-lib.cm. The source tree for
3530 :     this is under src/smlnj-lib/Controls.
3531 :    
3532 :     2. Changed the names of types and functions in this interface, so they
3533 :     make a bit more "sense":
3534 :    
3535 :     module -> registry
3536 :     'a registry -> 'a group
3537 :    
3538 :     3. The interface now deals in ref cells only. The getter/setter interface
3539 :     is (mostly) gone.
3540 :    
3541 :     4. Added a function that lets one register an already-existing ref cell.
3542 :    
3543 :     5. Made the corresponding modifications to the rest of the code so that
3544 :     everything compiles again.
3545 :    
3546 :     6. Changed the implementation of Controls.MLRISC back to something closer
3547 :     to the original. In particular, this module (and therefore MLRISC)
3548 :     does not depend on Controls. There now is some link-time code in
3549 :     int-sys.sml that registers the MLRISC controls with the Controls
3550 :     module.
3551 :    
3552 :     CM:
3553 :     ---
3554 :    
3555 :     * One can now specify the lambda-split aggressiveness in init.cmi.
3556 :    
3557 :     ----------------------------------------------------------------------
3558 : leunga 1142 Name: Allen Leung
3559 :     Date: 2002/03/13 17:30:00 EST
3560 :     Tag: leunga-20020313-x86-fp-unary
3561 :     Description:
3562 :    
3563 :     Bug fix for:
3564 :    
3565 :     > leunga@weaselbane:~/Yale/tmp/sml-dist{21} bin/sml
3566 :     > Standard ML of New Jersey v110.39.1 [FLINT v1.5], March 08, 2002
3567 :     > - fun f(x,(y,z)) = Real.~ y;
3568 :     > [autoloading]
3569 :     > [autoloading done]
3570 :     > fchsl (%eax), 184(%esp)
3571 :     > Error: MLRisc bug: X86MCEmitter.emitInstr
3572 : blume 2155 >
3573 : leunga 1142 > uncaught exception Error
3574 :     > raised at: ../MLRISC/control/mlriscErrormsg.sml:16.14-16.19
3575 :    
3576 :     The problem was that the code generator did not generate any fp registers
3577 :     in this case, and the ra didn't know that it needed to run the X86FP phase to
3578 :     translate the pseudo fp instruction. This only happened with unary fp
3579 :     operators in certain situations.
3580 :    
3581 :     ----------------------------------------------------------------------
3582 : blume 1137 Name: Matthias Blume
3583 : blume 1140 Date: 2002/03/13 14:00:00 EST
3584 :     Tag: blume-20020313-overload-etc
3585 :     Description:
3586 :    
3587 :     1. Added _overload as a synonym for overload for backward compatibility.
3588 :     (Control.overloadKW must be true for either version to be accepted.)
3589 :    
3590 :     2. Fixed bug in install script that caused more things to be installed
3591 :     than what was requested in config/targets.
3592 :    
3593 :     3. Made CM aware of the (_)overload construct so that autoloading
3594 :     works.
3595 :    
3596 :     ----------------------------------------------------------------------
3597 :     Name: Matthias Blume
3598 : blume 1138 Date: 2002/03/12 22:03:00 EST
3599 :     Tag: blume-20020312-url
3600 :     Description:
3601 :    
3602 :     Forgot to update BOOT and srcarchiveurl.
3603 :    
3604 :     ----------------------------------------------------------------------
3605 :     Name: Matthias Blume
3606 : blume 1137 Date: 2002/03/12 17:30:00 EST
3607 :     Tag: blume-20020312-version110392
3608 :     Description:
3609 :    
3610 :     Yet another version number bump (because of small changes to the
3611 :     binfile format). Version number is now 110.39.2. NEW BOOTFILES!
3612 :    
3613 :     Changes:
3614 :    
3615 :     The new pid generation scheme described a few weeks ago was overly
3616 :     complicated. I implemented a new mechanism that is simpler and
3617 :     provides a bit more "stability": Once CM has seen a compilation
3618 :     unit, it keeps its identity constant (as long as you do not delete
3619 :     those crucial CM/GUID/* files). This means that when you change
3620 : blume 1145 an interface, compile, then go back to the old interface, and
3621 : blume 1137 compile again, you arrive at the original pid.
3622 :    
3623 :     There now also is a mechanism that instructs CM to use the plain
3624 :     environment hash as a module's pid (effectively making its GUID
3625 :     the empty string). For this, "noguid" must be specified as an
3626 :     option to the .sml file in question within its .cm file.
3627 :     This is most useful for code that is being generated by tools such
3628 :     as ml-nlffigen (because during development programmers tend to
3629 :     erase the tool's entire output directory tree including CM's cached
3630 :     GUIDs). "noguid" is somewhat dangerous (since it can be used to locally
3631 :     revert to the old, broken behavior of SML/NJ, but in specific cases
3632 :     where there is no danger of interface confusion, its use is ok
3633 :     (I think).
3634 :    
3635 :     ml-nlffigen by default generates "noguid" annotations. They can be
3636 :     turned off by specifying -guid in its command line.
3637 :    
3638 :     ----------------------------------------------------------------------
3639 : george 1136 Name: Lal George
3640 :     Date: 2002/03/12 12 14:42:36 EST
3641 :     Tag: george-20020312-frequency-computation
3642 :     Description:
3643 : blume 2155
3644 : george 1136 Integrated jump chaining and static block frequency into the
3645 :     compiler. More details and numbers later.
3646 : leunga 1025
3647 : george 1003 ----------------------------------------------------------------------
3648 : george 1133 Name: Lal George
3649 :     Date: 2002/03/11 11 22:38:53 EST
3650 :     Tag: george-20020311-jump-chain-elim
3651 :     Description:
3652 :    
3653 :     Tested the jump chain elimination on all architectures (except the
3654 :     hppa). This is on by default right now and is profitable for the
3655 :     alpha and x86, however, it may not be profitable for the sparc and ppc
3656 :     when compiling the compiler.
3657 :    
3658 : blume 2155 The gc test will typically jump to a label at the end of the cluster,
3659 :     where there is another jump to an external cluster containing the actual
3660 : george 1133 code to invoke gc. This is to allow factoring of common gc invocation
3661 :     sequences. That is to say, we generate:
3662 :    
3663 :     f:
3664 :     testgc
3665 :     ja L1 % jump if above to L1
3666 :    
3667 :     L1:
3668 :     jmp L2
3669 :    
3670 :    
3671 :     After jump chain elimination the 'ja L1' instructions is converted to
3672 :     'ja L2'. On the sparc and ppc, many of the 'ja L2' instructions may end
3673 :     up being implemented in their long form (if L2 is far away) using:
3674 :    
3675 :     jbe L3 % jump if below or equal to L3
3676 :     jmp L2
3677 :     L3:
3678 :     ...
3679 :    
3680 :    
3681 :     For large compilation units L2 may be far away.
3682 :    
3683 :    
3684 :     ----------------------------------------------------------------------
3685 : blume 1132 Name: Matthias Blume
3686 :     Date: 2002/03/11 13:30:00 EST
3687 :     Tag: blume-20020311-mltreeeval
3688 :     Description:
3689 :    
3690 :     A functor parameter was missing.
3691 :    
3692 :     ----------------------------------------------------------------------
3693 : leunga 1130 Name: Allen Leung
3694 : leunga 1131 Date: 2002/03/11 10:30:00 EST
3695 : leunga 1142 Tag: leunga-20020311-runtime-string0
3696 : leunga 1131 Description:
3697 :    
3698 : blume 2155 The representation of the empty string now points to a
3699 :     legal null terminated C string instead of unit. It is now possible
3700 :     to convert an ML string into C string with InlineT.CharVector.getData.
3701 : leunga 1131 This compiles into one single machine instruction.
3702 :    
3703 :     ----------------------------------------------------------------------
3704 :     Name: Allen Leung
3705 : leunga 1130 Date: 2002/03/10 23:55:00 EST
3706 :     Tag: leunga-20020310-x86-call
3707 :     Description:
3708 :    
3709 :     Added machine generation for CALL instruction (relative displacement mode)
3710 :    
3711 :     ----------------------------------------------------------------------
3712 : blume 1128 Name: Matthias Blume
3713 :     Date: 2002/03/08 16:05:00
3714 :     Tag: blume-20020308-entrypoints
3715 :     Description:
3716 :    
3717 :     Version number bumped to 110.39.1. NEW BOOTFILES!
3718 :    
3719 :     Entrypoints: non-zero offset into a code object where execution should begin.
3720 :    
3721 :     - Added the notion of an entrypoint to CodeObj.
3722 :     - Added reading/writing of entrypoint info to Binfile.
3723 :     - Made runtime system bootloader aware of entrypoints.
3724 :     - Use the address of the label of the first function given to mlriscGen
3725 :     as the entrypoint. This address is currently always 0, but it will
3726 :     not be 0 once we turn on block placement.
3727 :     - Removed the linkage cluster code (which was The Other Way(tm) of dealing
3728 :     with entry points) from mlriscGen.
3729 :    
3730 :     ----------------------------------------------------------------------
3731 : leunga 1127 Name: Allen Leung
3732 :     Date: 2002/03/07 20:45:00 EST
3733 :     Tag: leunga-20020307-x86-cmov
3734 :     Description:
3735 :    
3736 :     Bug fixes for CMOVcc on x86.
3737 :    
3738 :     1. Added machine code generation for CMOVcc
3739 :     2. CMOVcc is now generated in preference over SETcc on PentiumPro or above.
3740 :     3. CMOVcc cannot have an immediate operand as argument.
3741 :    
3742 :     ----------------------------------------------------------------------
3743 : blume 1126 Name: Matthias Blume
3744 :     Date: 2002/03/07 16:15:00 EST
3745 :     Tag: blume-20020307-controls
3746 :     Description:
3747 :    
3748 :     This is a very large but mostly boring patch which makes (almost)
3749 :     every tuneable compiler knob (i.e., pretty much everything under
3750 :     Control.* plus a few other things) configurable via both the command
3751 :     line and environment variables in the style CM did its configuration
3752 :     until now.
3753 :    
3754 :     Try starting sml with '-h' (or, if you are brave, '-H')
3755 :    
3756 :     To this end, I added a structure Controls : CONTROLS to smlnj-lib.cm which
3757 :     implements the underlying generic mechanism.
3758 :    
3759 :     The interface to some of the existing such facilities has changed somewhat.
3760 :     For example, the MLRiscControl module now provides mkFoo instead of getFoo.
3761 :     (The getFoo interface is still there for backward-compatibility, but its
3762 :     use is deprecated.)
3763 :    
3764 :     The ml-build script passes -Cxxx=yyy command-line arguments through so
3765 :     that one can now twiddle the compiler settings when using this "batch"
3766 :     compiler.
3767 :    
3768 :     TODO items:
3769 :    
3770 :     We should go through and throw out all controls that are no longer
3771 :     connected to anything. Moreover, we should go through and provide
3772 :     meaningful (and correct!) documentation strings for those controls
3773 :     that still are connected.
3774 :    
3775 :     Currently, multiple calls to Controls.new are accepted (only the first
3776 :     has any effect). Eventually we should make sure that every control
3777 :     is being made (via Controls.new) exactly once. Future access can then
3778 :     be done using Controls.acc.
3779 :    
3780 :     Finally, it would probably be a good idea to use the getter-setter
3781 :     interface to controls rather than ref cells. For the time being, both
3782 :     styles are provided by the Controls module, but getter-setter pairs are
3783 :     better if thread-safety is of any concern because they can be wrapped.
3784 :    
3785 :     *****************************************
3786 :    
3787 :     One bug fix: The function blockPlacement in three of the MLRISC
3788 :     backpatch files used to be hard-wired to one of two possibilities at
3789 :     link time (according to the value of the placementFlag). But (I
3790 :     think) it should rather sense the flag every time.
3791 :    
3792 :     *****************************************
3793 :    
3794 :     Other assorted changes (by other people who did not supply a HISTORY entry):
3795 :    
3796 :     1. the cross-module inliner now works much better (Monnier)
3797 :     2. representation of weights, frequencies, and probabilities in MLRISC
3798 :     changed in preparation of using those for weighted block placement
3799 :     (Reppy, George)
3800 :    
3801 :     ----------------------------------------------------------------------
3802 : george 1116 Name: Lal George
3803 : george 1124 Date: 2002/03/07 14:44:24 EST 2002
3804 :     Tag: george-20020307-weighted-block-placement
3805 :    
3806 :     Tested the weighted block placement optimization on all architectures
3807 :     (except the hppa) using AMPL to generate the block and edge frequencies.
3808 :     Changes were required in the machine properties to correctly
3809 : blume 2155 categorize trap instructions. There is an MLRISC flag
3810 :     "weighted-block-placement" that can be used to enable weighted block
3811 : george 1124 placement, but this will be ineffective without block/edge
3812 :     frequencies (coming soon).
3813 :    
3814 :    
3815 :     ----------------------------------------------------------------------
3816 :     Name: Lal George
3817 : blume 2155 Date: 2002/03/05 17:24:48 EST
3818 : george 1116 Tag: george-20020305-linkage-cluster
3819 :    
3820 : george 1124 In order to support the block placement optimization, a new cluster
3821 :     is generated as the very first cluster (called the linkage cluster).
3822 : blume 2155 It contains a single jump to the 'real' entry point for the compilation
3823 : george 1124 unit. Block placement has no effect on the linkage cluster itself, but
3824 :     all the other clusters have full freedom in the manner in which they
3825 : blume 2155 reorder blocks or functions.
3826 : george 1116
3827 :     On the x86 the typical linkage code that is generated is:
3828 :     ----------------------
3829 :     .align 2
3830 :     L0:
3831 :     addl $L1-L0, 72(%esp)
3832 : george 1124 jmp L1
3833 : george 1116
3834 :    
3835 :     .align 2
3836 :     L1:
3837 :     ----------------------
3838 :    
3839 : blume 2155 72(%esp) is the memory location for the stdlink register. This
3840 : george 1116 must contain the address of the CPS function being called. In the
3841 : george 1124 above example, it contains the address of L0; before
3842 : george 1116 calling L1 (the real entry point for the compilation unit), it
3843 :     must contain the address for L1, and hence
3844 :    
3845 :     addl $L1-L0, 72(%esp)
3846 :    
3847 : george 1124 I have tested this on all architectures except the hppa.The increase
3848 :     in code size is of course negligible
3849 : george 1116
3850 :     ----------------------------------------------------------------------
3851 : leunga 1115 Name: Allen Leung
3852 :     Date: 2002/03/03 13:20:00 EST
3853 :     Tag: leunga-20020303-mlrisc-tools
3854 :    
3855 :     Added #[ ... ] expressions to mlrisc tools
3856 :    
3857 :     ----------------------------------------------------------------------
3858 : blume 1096 Name: Matthias Blume
3859 : blume 1098 Date: 2002/02/27 12:29:00 EST
3860 :     Tag: blume-20020227-cdebug
3861 :     Description:
3862 :    
3863 :     - made types in structure C and C_Debug to be equal
3864 :     - got rid of code duplication (c-int.sml vs. c-int-debug.sml)
3865 :     - there no longer is a C_Int_Debug (C_Debug is directly derived from C)
3866 :    
3867 :     ----------------------------------------------------------------------
3868 :     Name: Matthias Blume
3869 : blume 1096 Date: 2002/02/26 12:00:00 EST
3870 :     Tag: blume-20020226-ffi
3871 :     Description:
3872 :    
3873 :     1. Fixed a minor bug in CM's "noweb" tool:
3874 :     If numbering is turned off, then truly don't number (i.e., do not
3875 :     supply the -L option to noweb). The previous behavior was to supply
3876 :     -L'' -- which caused noweb to use the "default" line numbering scheme.
3877 :     Thanks to Chris Richards for pointing this out (and supplying the fix).
3878 :    
3879 :     2. Once again, I reworked some aspects of the FFI:
3880 :    
3881 :     A. The incomplete/complete type business:
3882 :    
3883 :     - Signatures POINTER_TO_INCOMPLETE_TYPE and accompanying functors are
3884 :     gone!
3885 :     - ML types representing an incomplete type are now *equal* to
3886 :     ML types representing their corresponding complete types (just like
3887 :     in C). This is still safe because ml-nlffigen will not generate
3888 :     RTTI for incomplete types, nor will it generate functions that
3889 :     require access to such RTTI. But when ML code generated from both
3890 :     incomplete and complete versions of the C type meet, the ML types
3891 :     are trivially interoperable.
3892 :    
3893 :     NOTE: These changes restore the full generality of the translation
3894 :     (which was previously lost when I eliminated functorization)!
3895 :    
3896 :     B. Enum types:
3897 :    
3898 :     - Structure C now has a type constructor "enum" that is similar to
3899 :     how the "su" constructor works. However, "enum" is not a phantom
3900 :     type because each "T enum" has values (and is isomorphic to
3901 :     MLRep.Signed.int).
3902 :     - There are generic access operations for enum objects (using
3903 :     MLRep.Signed.int).
3904 :     - ml-nlffigen will generate a structure E_foo for each "enum foo".
3905 :     * The structure contains the definition of type "mlrep" (the ML-side
3906 :     representation type of the enum). Normally, mlrep is the same
3907 :     as "MLRep.Signed.int", but if ml-nlffigen was invoked with "-ec",
3908 :     then mlrep will be defined as a datatype -- thus facilitating
3909 :     pattern matching on mlrep values.
3910 :     ("-ec" will be suppressed if there are duplicate values in an
3911 :     enumeration.)
3912 :     * Constructors ("-ec") or values (no "-ec") e_xxx of type mlrep
3913 :     will be generated for each C enum constant xxx.
3914 :     * Conversion functions m2i and i2m convert between mlrep and
3915 :     MLRep.Signed.int. (Without "-ec", these functions are identities.)
3916 :     * Coversion functions c and ml convert between mlrep and "tag enum".
3917 :     * Access functions (get/set) fetch and store mlrep values.
3918 :     - By default (unless ml-nlffigen was invoked with "-nocollect"), unnamed
3919 :     enumerations are merged into one single enumeration represented by
3920 :     structure E_'.
3921 :    
3922 :     ----------------------------------------------------------------------
3923 : leunga 1080 Name: Allen Leung
3924 : leunga 1094 Date: 2002/02/25 04:45:00 EST
3925 :     Tag: leunga-20020225-cps-spill
3926 :    
3927 :     This is a new implementation of the CPS spill phase.
3928 :     The new phase is in the new file compiler/CodeGen/cpscompile/spill-new.sml
3929 :     In case of problems, replace it with the old file spill.sml
3930 :    
3931 : blume 2155 The current compiler runs into some serious performance problems when
3932 : leunga 1094 constructing a large record. This can happen when we try to compile a
3933 :     structure with many items. Even a very simple structure like the following
3934 :     makes the compiler slow down.
3935 :    
3936 :     structure Foo = struct
3937 :     val x_1 = 0w1 : Word32.int
3938 :     val x_2 = 0w2 : Word32.int
3939 :     val x_3 = 0w3 : Word32.int
3940 :     ...
3941 :     val x_N = 0wN : Word32.int
3942 :     end
3943 :    
3944 : blume 2155 The following table shows the compile time, from N=1000 to N=4000,
3945 : leunga 1094 with the old compiler:
3946 :    
3947 :     N
3948 : blume 2155 1000 CPS 100 spill 0.04u 0.00s 0.00g
3949 :     MLRISC ra 0.06u 0.00s 0.05g
3950 : leunga 1094 (spills = 0 reloads = 0)
3951 : blume 2155 TOTAL 0.63u 0.07s 0.21g
3952 : leunga 1094
3953 : blume 2155 1100 CPS 100 spill 8.25u 0.32s 0.64g
3954 :     MLRISC ra 5.68u 0.59s 3.93g
3955 : leunga 1094 (spills = 0 reloads = 0)
3956 : blume 2155 TOTAL 14.71u 0.99s 4.81g
3957 : leunga 1094
3958 : blume 2155 1500 CPS 100 spill 58.55u 2.34s 1.74g
3959 :     MLRISC ra 5.54u 0.65s 3.91g
3960 : leunga 1094 (spills = 543 reloads = 1082)
3961 : blume 2155 TOTAL 65.40u 3.13s 6.00g
3962 : leunga 1094
3963 : blume 2155 2000 CPS 100 spill 126.69u 4.84s 3.08g
3964 :     MLRISC ra 0.80u 0.10s 0.55g
3965 : leunga 1094 (spills = 42 reloads = 84)
3966 : blume 2155 TOTAL 129.42u 5.10s 4.13g
3967 : leunga 1094
3968 : blume 2155 3000 CPS 100 spill 675.59u 19.03s 11.64g
3969 :     MLRISC ra 2.69u 0.27s 1.38g
3970 : leunga 1094 (spills = 62 reloads = 124)
3971 : blume 2155 TOTAL 682.48u 19.61s 13.99g
3972 : leunga 1094
3973 : blume 2155 4000 CPS 100 spill 2362.82u 56.28s 43.60g
3974 :     MLRISC ra 4.96u 0.27s 2.72g
3975 : leunga 1094 (spills = 85 reloads = 170)
3976 : blume 2155 TOTAL 2375.26u 57.21s 48.00g
3977 : leunga 1094
3978 : blume 2155 As you can see the old cps spill module suffers from some serious
3979 :     performance problem. But since I cannot decipher the old code fully,
3980 :     instead of patching the problems up, I'm reimplementing it
3981 :     with a different algorithm. The new code is more modular,
3982 :     smaller when compiled, and substantially faster
3983 :     (O(n log n) time and O(n) space). Timing of the new spill module:
3984 : leunga 1094
3985 : blume 2155 4000 CPS 100 spill 0.02u 0.00s 0.00g
3986 :     MLRISC ra 0.25u 0.02s 0.15g
3987 :     (spills=1 reloads=3)
3988 :     TOTAL 7.74u 0.34s 1.62g
3989 : leunga 1094
3990 :     Implementation details:
3991 :    
3992 : blume 2155 As far as I can tell, the purpose of the CPS spill module is to make sure the
3993 :     number of live variables at any program point (the bandwidth)
3994 :     does not exceed a certain limit, which is determined by the
3995 :     size of the spill area.
3996 : leunga 1094
3997 : blume 2155 When the bandwidth is too large, we decrease the register pressure by
3998 : leunga 1094 packing live variables into spill records. How we achieve this is
3999 :     completely different than what we did in the old code.
4000 :    
4001 : blume 2155 First, there is something about the MLRiscGen code generator
4002 : leunga 1094 that we should be aware of:
4003 :    
4004 :     o MLRiscGen performs code motion!
4005 : blume 2155
4006 : leunga 1094 In particular, it will move floating point computations and
4007 : blume 2155 address computations involving only the heap pointer to
4008 :     their use sites (if there is only a single use).
4009 : leunga 1094 What this means is that if we have a CPS record construction
4010 :     statement
4011 : blume 2155
4012 : leunga 1094 RECORD(k,vl,w,e)
4013 : blume 2155
4014 :     we should never count the new record address w as live if w
4015 : leunga 1094 has only one use (which is often the case).
4016 : blume 2155
4017 : leunga 1094 We should do something similar to floating point, but the transformation
4018 :     there is much more complex, so I won't deal with that.
4019 :    
4020 :     Secondly, there are now two new cps primops at our disposal:
4021 :    
4022 : blume 2155 1. rawrecord of record_kind option
4023 : leunga 1094 This pure operator allocates some uninitialized storage from the heap.
4024 :     There are two forms:
4025 : blume 2155
4026 : leunga 1094 rawrecord NONE [INT n] allocates a tagless record of length n
4027 :     rawrecord (SOME rk) [INT n] allocates a tagged record of length n
4028 :     and initializes the tag.
4029 : blume 2155
4030 : leunga 1094 2. rawupdate of cty
4031 : blume 2155 rawupdate cty (v,i,x)
4032 : leunga 1094 Assigns to x to the ith component of record v.
4033 :     The storelist is not updated.
4034 : blume 2155
4035 : leunga 1094 We use these new primops for both spilling and increment record construction.
4036 : blume 2155
4037 : leunga 1094 1. Spilling.
4038 : blume 2155
4039 : leunga 1094 This is implemented with a linear scan algorithm (but generalized
4040 :     to trees). The algorithm will create a single spill record at the
4041 :     beginning of the cps function and use rawupdate to spill to it,
4042 :     and SELECT or SELp to reload from it. So both spills and reloads
4043 : blume 2155 are fine-grain operations. In contrast, in the old algorithm
4044 :     "spills" have to be bundled together in records.
4045 :    
4046 : leunga 1094 Ideally, we should sink the spill record construction to where
4047 :     it is needed. We can even split the spill record into multiple ones
4048 :     at the places where they are needed. But CPS is not a good
4049 :     representation for global code motion, so I'll keep it simple and
4050 :     am not attempting this.
4051 : blume 2155
4052 : leunga 1094 2. Incremental record construction (aka record splitting).
4053 :    
4054 :     Long records with many component values which are simulatenously live
4055 : blume 2155 (recall that single use record addresses are not considered to
4056 : leunga 1094 be live) are constructed with rawrecord and rawupdate.
4057 :     We allocate space on the heap with rawrecord first, then gradually
4058 :     fill it in with rawupdate. This is the technique suggested to me
4059 :     by Matthias.
4060 : blume 2155
4061 : leunga 1094 Some restrictions on when this is applicable:
4062 :     1. It is not a VECTOR record. The code generator currently does not handle
4063 :     this case. VECTOR record uses double indirection like arrays.
4064 : blume 2155 2. All the record component values are defined in the same "basic block"
4065 :     as the record constructor. This is to prevent speculative
4066 :     record construction.
4067 : leunga 1094
4068 :     ----------------------------------------------------------------------
4069 :     Name: Allen Leung
4070 : leunga 1086 Date: 2002/02/22 01:02:00 EST
4071 :     Tag: leunga-20020222-mlrisc-tools
4072 :    
4073 :     Minor bug fixes in the parser and rewriter
4074 :    
4075 :     ----------------------------------------------------------------------
4076 :     Name: Allen Leung
4077 : leunga 1085 Date: 2002/02/21 20:20:00 EST
4078 :     Tag: leunga-20020221-peephole
4079 :    
4080 :     Regenerated the peephole files. Some contained typos in the specification
4081 :     and some didn't compile because of pretty printing bugs in the old version
4082 :     of 'nowhere'.
4083 :    
4084 :     ----------------------------------------------------------------------
4085 :     Name: Allen Leung
4086 : leunga 1079 Date: 2002/02/19 20:20:00 EST
4087 :     Tag: leunga-20020219-mlrisc-tools
4088 :     Description:
4089 :    
4090 :     Minor bug fixes to the mlrisc-tools library:
4091 :    
4092 :     1. Fixed up parsing colon suffixed keywords
4093 :     2. Added the ability to shut the error messages up
4094 :     3. Reimplemented the pretty printer and fixed up/improved
4095 :     the pretty printing of handle and -> types.
4096 :     4. Fixed up generation of literal symbols in the nowhere tool.
4097 :     5. Added some SML keywords to to sml.sty
4098 :    
4099 :     ----------------------------------------------------------------------
4100 :     Name: Matthias Blume
4101 : blume 1078 Date: 2002/02/19 16:20:00 EST
4102 :     Tag: blume-20020219-cmffi
4103 :     Description:
4104 :    
4105 :     A wild mix of changes, some minor, some major:
4106 :    
4107 :     * All C FFI-related libraries are now anchored under $c:
4108 :     $/c.cm --> $c/c.cm
4109 :     $/c-int.cm --> $c/internals/c-int.cm
4110 :     $/memory.cm --> $c/memory/memory.cm
4111 :    
4112 :     * "make" tool (in CM) now treats its argument pathname slightly
4113 :     differently:
4114 :     1. If the native expansion is an absolute name, then before invoking
4115 :     the "make" command on it, CM will apply OS.Path.mkRelative
4116 :     (with relativeTo = OS.FileSys.getDir()) to it.
4117 :     2. The argument will be passed through to subsequent phases of CM
4118 :     processing without "going native". In particular, if the argument
4119 :     was an anchored path, then "make" will not lose track of that anchor.
4120 :    
4121 :     * Compiler backends now "know" their respective C calling conventions
4122 :     instead of having to be told about it by ml-nlffigen. This relieves
4123 :     ml-nlffigen from one of its burdens.
4124 :    
4125 :     * The X86Backend has been split into X86CCallBackend and X86StdCallBackend.
4126 :    
4127 :     * Export C_DEBUG and C_Debug from $c/c.cm.
4128 :    
4129 :     * C type encoding in ml-nlffi-lib has been improved to model the conceptual
4130 :     subtyping relationship between incomplete pointers and their complete
4131 :     counterparts. For this, ('t, 'c) ptr has been changed to 'o ptr --
4132 :     with the convention of instantiating 'o with ('t, 'c) obj whenever
4133 :     the pointer target type is complete. In the incomplete case, 'o
4134 :     will be instantiated with some "'c iobj" -- a type obtained by
4135 :     using one of the functors PointerToIncompleteType or PointerToCompleteType.
4136 :    
4137 :     Operations that work on both incomplete and complete pointer types are
4138 :     typed as taking an 'o ptr while operations that require the target to
4139 :     be known are typed as taking some ('t, 'c) obj ptr.
4140 :    
4141 :     voidptr is now a bit "more concrete", namely "type voidptr = void ptr'"
4142 :     where void is an eqtype without any values. This makes it possible
4143 :     to work on voidptr values using functions meant to operate on light
4144 :     incomplete pointers.
4145 :    
4146 :     * As a result of the above, signature POINTER_TO_INCOMPLETE_TYPE has
4147 :     been vastly simplified.
4148 :    
4149 :     ----------------------------------------------------------------------
4150 : &