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

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Original Path: sml/trunk/NOTES/HISTORY

1 : dbm 570 This is the HISTORY file for the Yale SML/NJ CVS repository.
2 :    
3 :     An entry should be made for _every_ commit to the repository.
4 :     The entries in this file will be used when creating the README
5 :     for new versions, so keep that in mind when writing the
6 :     description.
7 :    
8 :     The form of an entry should be:
9 :    
10 : mblume 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 : mblume 1923 Name: Matthias Blume (http://www.tti-c.org/blume/)
18 : blume 2219 Date: 2006/11/10 11:00:00 CST
19 :     Description:
20 :    
21 :     Fixed bug in CM where "with:" specifications that affect compilation
22 :     (as opposed to parsing) were ignored.
23 :    
24 :     ----------------------------------------------------------------------
25 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
26 : blume 2193 Date: 2006/11/09 14:30:00 CST
27 :     Tag: release-110.60
28 :     Description:
29 :    
30 :     New working release (110.60). NEW BOOTFILES!
31 :    
32 :     This is the first subversion-hosted release. There are also changes
33 :     to the directory layout. Here is a table:
34 :    
35 :     (All pathnames are relative to the SML/NJ "root" directory.)
36 :    
37 :     config -> config
38 :    
39 :     src/cm -> base/cm
40 :     src/compiler -> base/compiler
41 :     src/runtime -> base/runtime
42 :     src/system -> base/system
43 :    
44 :     src/cm/pgraph -> pgraph
45 :    
46 :     src/READMES -> base/READMES
47 :     src/$notefile -> base/NOTES/$notefile
48 :     for <notefile> in BOOT CVSNOTES CYGWININSTALL HISTORY INSTALL
49 :     MACOSXINSTALL WININSTALL
50 :    
51 :     src/smlnj-lib -> smlnj-lib
52 :     src/MLRISC -> MLRISC
53 :     ckit -> ckit
54 :     src/cml -> cml
55 :     src/eXene -> eXene
56 :     src/heap2asm -> heap2asm
57 :     src/lexgen -> lexgen
58 :     src/ml-burg -> ml-burg
59 :     src/ml-lex -> ml-lex
60 :     src/ml-yacc -> ml-yacc
61 :     src/ml-nlffi-lib -> nlffi/lib
62 :     src/ml-nlffigen -> nlffi/gen
63 :     src/smlnj-c -> smlnj-c
64 :     src/tools/TraceDebugProf -> trace-debug-profile
65 :    
66 :     In addition, there is also a new
67 :    
68 :     ml-lpt
69 :    
70 :     directory containing two new program generator tools: ml-ulex and
71 :     ml-antlr (a lexer generator that handles unicode and an ANTRL-inspired
72 :     LL(k) parser generator). These tools are currently "beta-quality"
73 :    
74 :     The latest versios of the sources can now be obtained anonymously
75 :     via subversion. For this, it is useful to first check out
76 :    
77 :     svn://smlnj-gforge.cs.uchicago.edu/smlnj/admin
78 :    
79 :     and put the resulting directory on your shell's PATH. This provides
80 :     access to three shell scripts: checkout-all.sh, stat-all.sh,
81 :     and refresh-all.sh.
82 :    
83 :     To create a freshly checked-out copy of the sources, do
84 :    
85 :     checkout-all.sh [dir]
86 :    
87 :     where dir is the optional SML/NJ root directory (default is ".").
88 :    
89 :     This creates the above directory layout. Each subdirectory of
90 :     the root is under individual subversion control. The stat-all.sh
91 :     and refresh-al.sh scripts apply "svn stat" or "svn update" to
92 :     each of these subtrees.
93 :    
94 :     ----------------------------------------------------------------------
95 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
96 : blume 2155 Date: 2006/11/02 12:20:00 CST
97 :     Description:
98 :    
99 :     Reorganized directory layout.
100 :    
101 :     This is a temporary solution, more reorganization is to come.
102 :    
103 :     The basic idea is to have a number of toplevel trees, each corresponding
104 :     to a well-defined part of the overall system. Each part can be
105 :     maintained individually, even in separate source repositories,
106 :     although currently we still serve everything out of the main
107 :     smlnj-gforge tree.
108 :    
109 :     Installer and and scripts have been updated to reflect the new
110 :     layout. The installer (base/src/system/smlnj/installer) is now
111 :     "scriptable" to avoid burning too much knowledge about the
112 :     layout into SML source code. The main script used by the installer
113 :     is in config/actions.
114 :    
115 :     The main change is that many of the subdirectories of what used to
116 :     be known as "src" have moved to the toplevel. The "src" directory
117 :     itself has moved down into a subtree called "base". (We may eventually
118 :     get rid of the extra level of indirection represented by "src".)
119 :    
120 :     The layout is now as follows:
121 :    
122 :     toplevel tree name | default repository
123 :     | (using gf=svn://smlnj-gforge.cs.uchicago.edu/smlnj)
124 :     -------------------+----------------------------------------------------
125 :     config | $gf/config/trunk
126 :     |
127 :     base | $gf/sml/trunk
128 :     |
129 :     smlnj-lib | $gf/smlnj-lib/trunk
130 :     MLRISC | $gf/MLRISC/trunk
131 :     |
132 :     ml-yacc | $gf/ml-yacc/trunk
133 :     ml-lex | $gf/ml-lex/trunk
134 :     ml-burg | $gf/ml-burg/trunk
135 :     lexgen | $gf/lexgen/trunk
136 :     heap2asm | $gf/heap2asm/trunk
137 :     |
138 :     cml | $gf/cml/trunk
139 :     eXene | $gf/eXene/trunk
140 :     ckit | $gf/ckit/trunk
141 :     nlffi | $gf/nlffi/trunk
142 :     |
143 :     smlnj-c | $gf/smlnj-c/trunk
144 :    
145 :     In $gf/admin there are a few useful shell scripts for checking out
146 :     and maintaining the entire collection of trees:
147 :    
148 :     admin/checkout-all.sh [dir]
149 :     -- optionally creates dir and checks out all trees from their
150 :     default repositories; if dir is missing, checkout into .
151 :     admin/refresh-all.sh [dir]
152 :     -- looks at all trees (from the above list) in dir (default: .)
153 :     and runs "svn update" if the tree exists and is under
154 :     subversion control;
155 :     non-existing or non-subversion trees are skipped
156 :     admin/stat-all.sh [dir]
157 :     -- like refresh-all.sh, but runs "svn stat" instead
158 :    
159 :     ----------------------------------------------------------------------
160 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
161 :     Date: 2006/10/05 11:30:00 CDT
162 : mblume 2066 Tag: blume-20061005-merge-amd64
163 :     Description:
164 :    
165 :     Merged code for AMD64 backend (Mike Rainey's work).
166 :     Everything is hooked up but untested.
167 :    
168 :     ----------------------------------------------------------------------
169 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
170 : mblume 1931 Date: 2006/05/17 14:00:00 CST
171 :     Tag: Release_110_59
172 :     Description:
173 :    
174 : blume 2193 New working version (110.59). NEW BOOTFILES!
175 : mblume 1931
176 :     I am freezing 110.59. Changes other than the version-number increase:
177 :    
178 :     eXene:
179 :    
180 :     * committed changes to eXene from Alley Stoughton:
181 :     "fixed bugs in X authorization and resource handling, as well
182 :     as in the pile and viewport widgets"
183 :    
184 :     Runtime:
185 :     * fixed linking problem with NetBSD 3.x.
186 :    
187 :     Lexgen:
188 :     * lexgen tool handles non-ascii characters in 7-bit mode the same
189 :     way that ml-lex does
190 :    
191 :     * lexgen propagates exceptions the same way that ml-lex does
192 :    
193 :     CML:
194 :     * Fixed a bug in the SyncVar polling functions (iGetPoll,
195 :     mTakePoll, and mGetPoll) that could lead to livelock.
196 :    
197 :     ----------------------------------------------------------------------
198 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
199 : mblume 1926 Date: 2006/05/12 15:20:00 CST
200 :     Tag: blume-20060515-makedepend
201 :     Description:
202 :    
203 :     Implemented ml-makedepend (i.e., CM.sources) in a better (more robust)
204 :     way. This should hopefully fix the ml-makedepend problem permanently.
205 :    
206 :     ----------------------------------------------------------------------
207 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
208 : mblume 1925 Date: 2006/05/12 15:15:00 CST
209 :     Tag: blume-20060512-makedepend
210 :     Description:
211 :    
212 :     Fixed long-standing bug with ml-makedepend where it would output a
213 :     spurious dependency to a non-existing file. (This is a simple fix.
214 :     It might need further looking into.)
215 :    
216 :     ----------------------------------------------------------------------
217 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
218 : mblume 1923 Date: 2006/04/20 10:30:00 CDT
219 :     Tag: blume-20060420-heap2exec
220 :     Description:
221 :    
222 :     Committed patches received from Johannes 5 Joemann (joemann@befree.free.de)
223 :     that enable heap2exec under Linux and FreeBSD.
224 :    
225 :     ----------------------------------------------------------------------
226 : jhr 1921 Name: John Reppy
227 :     Date: 2006/04/14
228 : blume 2155 Tag:
229 : jhr 1921 Description:
230 :    
231 :     MLRISC changes:
232 :     1) renamed GAS_PSEUDO_OPS to AS_PSEUDO_OPS and put it in its own file.
233 :     2) added support for NOTB and XORB operators in pseudo-op expressions
234 :     3) added DarwinPseudoOp functor that supports Darwin's assembler syntax.
235 :     4) added support for 64-bit integer literals
236 :    
237 :     ----------------------------------------------------------------------
238 : jhr 1922 Name: Matthias Blume (http://www.tti-c.org/blume/)
239 : mblume 1907 Date: yyyy/mm/dd
240 :     Tag: Release_110_58
241 :     Description:
242 :    
243 :     New working version (110.58). NEW BOOTFILES!
244 :    
245 :     ----------------------------------------------------------------------
246 : mblume 1896 Name: Matthias Blume (http://www.tti-c.org/blume/)
247 : mblume 1905 Date: 2006/03/01 22:15:00 CST
248 :     Tag: blume-20060301-lexgen
249 :     Description:
250 :    
251 :     Incorporated several bugfixes to lexgen. Compiler now compiles to
252 :     fixpoint when using lexgen instead of ml-lex.
253 :    
254 :     ----------------------------------------------------------------------
255 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
256 : mblume 1902 Date: 2006/02/28 22:45:00 CST
257 :     Tag: blume-20060228-lexgen
258 :     Description:
259 :    
260 :     Removed ml-flex and added lexgen instead, using Aaron Turon's newly
261 :     provided tarball. The generated lexers still have problems.
262 :    
263 :     ----------------------------------------------------------------------
264 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
265 : mblume 1898 Date: 2006/02/26 23:30:00 CST
266 :     Tag: blume-20060226-ml-flex
267 :     Description:
268 :    
269 :     Removed ml-flex' dependency on regexp-lib.cm. Turned installation
270 :     of ml-flex on by default.
271 :    
272 :     ----------------------------------------------------------------------
273 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
274 : mblume 1896 Date: 2006/02/24 16:30:00 CST
275 :     Tag: blume-20060224-ml-flex
276 :     Description:
277 :    
278 :     Added ml-flex sources. Partially integrated, but should not be
279 :     turned on yet! (Read: leave it commented-out in config/targets!)
280 :    
281 :     ----------------------------------------------------------------------
282 : jhr 1893 Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
283 :     Date: 2006/02/23
284 :     Tag: jhr-20060223-x86-64
285 :     Description:
286 :     Changes to support building on x86-64 systems (using the 32-bit mode).
287 :     Also cleaned up signal handling on Linux. Support for pre-2.2 Linux
288 :     kernels dropped.
289 :    
290 :     ----------------------------------------------------------------------
291 : allenleung 1890 Name: Allen Leung (leunga (at) reservoir (dot) com)
292 :     Date: 2006/02/22 15:07:00 EST
293 :     Tag: leunga-20060222-mdl-gen
294 :     Description:
295 :    
296 :     CM has changed. Updated the script for rebuilding the MLRISC generated
297 :     files.
298 :    
299 :     ----------------------------------------------------------------------
300 : mblume 1886 Name: Matthias Blume (http://www.tti-c.org/blume/)
301 :     Date: 2006/02/14 17:30:00 CST
302 :     Tag: blume-20060214-intel-mac
303 :     Description:
304 :    
305 :     Hooked code for Darwin-specific Intel ABI into main compiler.
306 :     (This is a temporary solution which relies on the fact that the
307 :     compiler itself does not use NLFFI. Eventually we need to divorce
308 :     intel mac from generic x86 unix code and make separate sets of binaries.)
309 :    
310 :     ----------------------------------------------------------------------
311 : jhr 1882 Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
312 : jhr 1885 Date: 2006/02/13
313 :     Tag: jhr-20060213-intel-mac
314 :     Description:
315 :     Changed MLRISC x86 CCalls for partial support of MacOS X ABI.
316 :    
317 :     ----------------------------------------------------------------------
318 :     Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
319 : jhr 1882 Date: 2006/02/06
320 :     Tag: jhr-20060206-intel-mac
321 :     Description:
322 :     Changes to support MacOS X on Intel hardware. The C-calls support in
323 :     MLRISC must also be updated to support the MacOS X ABI.
324 :    
325 :     ----------------------------------------------------------------------
326 : mblume 1863 Name: Matthias Blume (http://www.tti-c.org/blume/)
327 : mblume 1879 Date: 2005/12/16 00:15:00 CST
328 :     Tag: blume-20051216-cm
329 :     Description:
330 :    
331 :     Improved error reporting and handling in CM.
332 :    
333 :     ----------------------------------------------------------------------
334 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
335 : mblume 1878 Date: 2005/11/21 14:00:00 CST
336 :     Tag: blume-20051121-html-lib
337 :     Description:
338 :    
339 :     Enabling $/html-lib.cm in config/preloads did not work. This is fixed
340 :     now. (Since the anchor mapping for html-lib.cm is not yet in effect
341 : blume 2155 at the time when config/preloads is processed, the library has to
342 : mblume 1878 be referred to by another name. In 110.57 this would be
343 :     $SMLNJ-LIB/HTML/html-lib.cm. I arranged for $smlnj/smlnj-lib/html-lib.cm
344 :     to be valid as well.)
345 :    
346 :     Thanks to Todd Wilson (Fresno) for alerting me to this issue.
347 :    
348 :     ----------------------------------------------------------------------
349 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
350 : mblume 1874 Date: 2005/11/19 13:45:00 CST
351 :     Tag: Release_110_57
352 :     Description:
353 :    
354 :     Moved release tag for 110.57.
355 :    
356 :     ----------------------------------------------------------------------
357 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
358 : mblume 1873 Date: 2005/11/19 23:35:00 CST
359 :     Tag: blume-20051119-fish
360 :     Description:
361 :    
362 :     Fixed a problem in config/install.sh where it tries to "fish" the
363 :     name of the CM metadata directory from the wrong place (because
364 :     the physical location of basis.cm has changed). Also, corrected the
365 :     path anchor for $/html-lib.cm. (Thanks to M. Fluet for pointing out
366 :     these problems.)
367 :    
368 :     ----------------------------------------------------------------------
369 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
370 : mblume 1867 Date: 2005/11/16 14:30:00 CST
371 : mblume 1874 Tag: blume-orig-110_57
372 : mblume 1867 Description:
373 :    
374 :     New working version (110.57). NEW BOOTFILES!
375 :    
376 : mblume 1874 UPDATE: The release tag has been moved to include a fix for a brown-paper-
377 :     bag glitch (see above).
378 :    
379 : mblume 1867 ----------------------------------------------------------------------
380 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
381 : mblume 1866 Date: 2005/11/16 10:25:00 CST
382 :     Tag: blume-22051116-btrace
383 :     Description:
384 :    
385 :     Fixed problem with bogus exception message when using back-trace
386 :     facility.
387 :    
388 :     ----------------------------------------------------------------------
389 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
390 : mblume 1865 Date: 2005/11/15 22:35:00 CST
391 :     Tag: blume-22051115-array2copy
392 :     Description:
393 :    
394 :     Added simple implementation of Array2.copy. (Warning: mostly untested.)
395 :    
396 :     ----------------------------------------------------------------------
397 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
398 : mblume 1864 Date: 2005/11/15 21:35:00 CST
399 :     Tag: blume-22051115-versiontool
400 :     Description:
401 :    
402 :     Reversed change to src/system/smlnj/internals/versiontool.cm. This
403 :     file gets loaded as a tool -- by the equivalent of CM.make during the
404 :     run of CMB.make. Thus, CMB's path configuration is meaningless for
405 :     it. Instead, it has the status of "user code", so it should use
406 :     $/basis.cm to refer to the Basis library. (At least that's true for
407 :     the purpose of bootstrapping the previous change. In the future it
408 :     might make sense to have versiontool.cm refer to
409 :     $smlnj/basis/basis.cm, i.e., the version of the Basis that the
410 :     compiler itself uses.)
411 :    
412 :     Also patched src/system/testml to have it activate those extra anchor
413 :     bindings in config/extrapathconfig.
414 :    
415 :     ----------------------------------------------------------------------
416 :     Name: Matthias Blume (http://www.tti-c.org/blume/)
417 : mblume 1863 Date: 2005/11/15 16:35:00 CST
418 :     Tag: blume-22051115-libraries
419 :     Description:
420 :    
421 :     This change affects the way the following libraries are tied into
422 :     the system:
423 :    
424 :     $/basis.cm
425 :     $/smlnj-lib.cm
426 :     $/pp-lib.cm
427 :     $/controls-lib.cm
428 :     $/html-lib.cm
429 :     $/ml-yacc-lib.cm
430 :    
431 :     These libraries are now internally (as seen from the source code
432 :     of the implementation itself) known by the following names:
433 :    
434 :     $smlnj/basis/basis.cm
435 :     $smlnj/smlnj-lib/smlnj-lib.cm
436 :     $smlnj/smlnj-lib/pp-lib.cm
437 :     $smlnj/smlnj-lib/controls-lib.cm
438 :     $smlnj/smlnj-lib/html-lib.cm
439 :     $smlnj/ml-yacc/ml-yacc-lib.cm
440 :    
441 :     This makes it possible to work with code that requires different
442 :     versions of these libraries, and which refers to these libraries using
443 :     their "default" names (i.e., the first set of names above). In other
444 :     words, one can un-define or re-define those default names without
445 :     compromising the proper functioning of the compiler itself.
446 :    
447 :     A similar procedure had already been performed for several of the
448 :     MLRISC libraries that are linked into the compiler. I did some
449 :     cleanup on this code.
450 :    
451 :     A new file in the config directory (named extrapathconfig) is
452 :     responsible for setting up path anchors that the compiler itself does
453 :     not need, but that are typically required by user code.
454 :    
455 :     ----------------------------------------------------------------------
456 : mblume 1862 Name: Matthias Blume
457 :     Date: 2005/11/07 17:05:00 CST
458 :     Tag: blume-20051107-slice
459 :     Description:
460 :    
461 :     Fixed erroneous out-of-bounds test in the "update" function of
462 :     various *ArraySlice modules. (Thanks to Vesa A. Norrman for pointing
463 :     out the problem.)
464 :    
465 :     Pushed some Basis changes through ML-Lex, CML, and eXene.
466 :    
467 :     ----------------------------------------------------------------------
468 : jhr 1858 Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
469 : jhr 1861 Date: 2005/11/07
470 :     Description:
471 :     Fixed a Basis incompatibility: The depreciated function Substring.all
472 :     was removed (use Substring.full instead).
473 :    
474 :     ----------------------------------------------------------------------
475 :     Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
476 : jhr 1858 Date: 2005/11/05
477 :     Description:
478 :     Tweaked interval set API in SML/NJ library; see the CHANGES file for details.
479 :    
480 :     ----------------------------------------------------------------------
481 : mblume 1856 Name: Matthias Blume (http://www.tti-c.org/blume/)
482 :     Date: 2005/11/02 16:25:00 CST
483 :     Tag: blume-20051102-hex
484 :     Description:
485 :    
486 :     * Runtime system bootstrap code now accepts hex digits in BOOTLIST
487 :     in either upper case or lower case format.
488 :     * Pushed changes to names of Pack<N>{Big,Little} structures through
489 :     CML and eXene.
490 :    
491 :     ----------------------------------------------------------------------
492 : jhr 1852 Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
493 : jhr 1855 Date: 2005/11/02
494 :     Description:
495 :     Fixed a Basis incompatibility: Pack<N>{Big,Little} structures should
496 :     be called PackWord<N>{Big,Little}.
497 :    
498 :     ----------------------------------------------------------------------
499 :     Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
500 : jhr 1852 Date: 2005/10/28
501 :     Description:
502 :     Fixed a minor Basis incompatibility: hex digits should be upper case.
503 :    
504 :     ----------------------------------------------------------------------
505 : mblume 1846 Name: Matthias Blume (blume (at) tti - c (dot) org)
506 :     Date: 2005/10/25 16:00:00 CDT
507 :     Tag: Release_110_56
508 :     Description:
509 :    
510 :     New working version (110.56). NEW BOOTFILES!
511 :    
512 :     ----------------------------------------------------------------------
513 : jhr 1838 Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
514 : jhr 1840 Date: 2005/10/25
515 :     Description:
516 :     Added interval sets to utility library (signatures INTERVAL_DOMAIN
517 :     and INTERVAL_SET, and functor IntervalSetFn).
518 :    
519 :     ----------------------------------------------------------------------
520 :     Name: John Reppy (http://www.cs.uchicago.edu/~jhr)
521 : jhr 1838 Date: 2005/10/14
522 :     Description:
523 :     Add Zhong Shao's fix for datatype equality functions.
524 :    
525 :     ----------------------------------------------------------------------
526 : allenleung 1836 Name: Allen Leung (leunga (at) reservoir (dot) com)
527 : allenleung 1837 Date: 2005/10/14 12:30:00 EST
528 :     Tag: leunga-20051014-x86-spill
529 :     Description:
530 :    
531 :     Bug fix a bug found by Carl Hauser.
532 :     There was a typo in the reload code for FCMP in x86SpillInstr.sml.
533 :    
534 :     ----------------------------------------------------------------------
535 :     Name: Allen Leung (leunga (at) reservoir (dot) com)
536 : allenleung 1836 Date: 2005/10/14 11:15:00 EST
537 :     Tag: leunga-20051014-x86-asm
538 :     Description:
539 :    
540 :     Removed some debugging code in file x86Asm.sml.
541 :     The function emit_operand was printing out debugging output.
542 :    
543 :     ----------------------------------------------------------------------
544 : jhr 1813 Name: John Reppy
545 : jhr 1831 Date: 2005/07/27
546 :     Tag:
547 :     Description:
548 :    
549 : jhr 1832 Fixed ml-lex to recognize "\r" as representing carriage return.
550 :    
551 :     ----------------------------------------------------------------------
552 :     Name: John Reppy
553 :     Date: 2005/07/27
554 :     Tag:
555 :     Description:
556 :    
557 : jhr 1831 Fixed ml-yacc to work on files with non-native end-of-line
558 :     encodings (e.g., Windows text file on a Unix system).
559 :    
560 :     ----------------------------------------------------------------------
561 :     Name: John Reppy
562 : jhr 1824 Date: 2005/07/20
563 :     Tag:
564 :     Description:
565 :    
566 :     Added changes from Dominic Evans (oldmanuk (at) gmail (dot) com)
567 :     to support HPUX 11.
568 :    
569 :     ----------------------------------------------------------------------
570 :     Name: John Reppy
571 : jhr 1813 Date: 2005/07/06
572 :     Tag:
573 :     Description:
574 :    
575 :     Changes to the SML/NJ library. See smlnj-lib/CHANGES for details.
576 :    
577 :     ----------------------------------------------------------------------
578 : mblume 1808 Name: Matthias Blume (blume (at) tti - c (dot) org)
579 :     Date: 2005/07/06 00:45:00 CDT
580 :     Tag: blume-20050706-slice-copy
581 :     Description:
582 :    
583 :     Fixed reversed logic for deciding whether to "copy up" or "copy down"
584 :     in *-array-slice.sml.
585 :    
586 :     ----------------------------------------------------------------------
587 : allenleung 1806 Name: Allen Leung (leunga (at) reservoir (dot) com)
588 : allenleung 1807 Date: 2005/05/31 17:00:00 EST
589 :     Tag: leunga-20050531-cygwin-fault-2
590 :     Description:
591 :    
592 :     A typo in the cygwin code fixed.
593 :    
594 :     ----------------------------------------------------------------------
595 :     Name: Allen Leung (leunga (at) reservoir (dot) com)
596 : allenleung 1806 Date: 2005/05/31 16:47:00 EST
597 :     Tag: leunga-20050531-cygwin-fault
598 :     Description:
599 :    
600 : blume 2155 Updated Cygwin's fault/signal handling to match the Windows version.
601 : allenleung 1806 Updated the export list.
602 :    
603 :     ----------------------------------------------------------------------
604 : mblume 1791 Name: Matthias Blume (blume (at) tti - c (dot) org)
605 : mblume 1795 Date: 2005/05/18 13:35:00 CDT
606 :     Tag: Release_110_54
607 :     Description:
608 :    
609 :     New working version (110.54). NEW BOOTFILES!
610 :    
611 :     ----------------------------------------------------------------------
612 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
613 : mblume 1794 Date: 2005/05/18 11:58:00 CDT
614 :     Tag: blume-20050518-installer
615 :     Description:
616 :    
617 :     Added support scripts for Mac OS X PackageMaker and modified
618 :     config/install.sh so that it supports re-dumping a heap image
619 :     after customization.
620 :    
621 :     ----------------------------------------------------------------------
622 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
623 : mblume 1793 Date: 2005/05/18 10:55:00 CDT
624 :     Tag: blume-20050518-realdiv-noovld
625 :     Description:
626 :    
627 :     Un-overloaded / to work around bug in overloading resolution code.
628 :    
629 :     ----------------------------------------------------------------------
630 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
631 : mblume 1792 Date: 2005/05/16 23:50:00 CDT
632 :     Tag: blume-20050516-redump-heap
633 :     Description:
634 :    
635 :     Added mechanism for re-creating a heap file for the interactive system
636 :     after configuration variables have been changed.
637 :    
638 :     CM.redump_heap : string -> unit
639 :    
640 :     This is much like SMLofNJ.exportML, but starting from the resulting
641 : blume 2155 heap does not return to the caller of CM.redump_heap but
642 : mblume 1792 restarts the interactive system from scratch. The original call of
643 :     CM.redump_heap does not return but ends the interactive session.
644 :     Thus, CM.redump_heap is a lot like SMLofNJ.exportFn.
645 :    
646 :     Internally, redump_heap winds the dynamic execution context back to
647 :     the point where the original heap image was created and re-executes
648 :     the heap image generation code in the boot code.
649 :    
650 :     ----------------------------------------------------------------------
651 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
652 : mblume 1791 Date: 2005/05/09 21:55:00 CDT
653 :     Tag: blume-20050509-word64
654 :     Description:
655 :    
656 :     Added a hack to the existing hack known as Word64 to make fromString
657 :     behave correctly. I am still not sure whether Word64.scan will work
658 :     as specified with respect to the interaction of radix and prefix.
659 :    
660 :     ----------------------------------------------------------------------
661 : allenleung 1785 Name: Allen Leung (leunga (at) reservoir (dot) com)
662 :     Date: 2005/05/04 11:50:00 EST
663 :     Tag: leunga-20050504-checkgc
664 :     Description:
665 :    
666 : blume 2155 Added a gc protocol checking phase. This phase is enabled with
667 : allenleung 1785 the flag "check-gc". "debug-check-gc" turns on the verbose mode.
668 :    
669 :     ----------------------------------------------------------------------
670 : mblume 1741 Name: Matthias Blume (blume (at) tti - c (dot) org)
671 : mblume 1784 Date: 2005/05/04 10:45:00 CDT
672 :     Tag: blume-20050504-intinf
673 :     Description:
674 :    
675 :     Fixed a bug in the implementation of div and mod for IntInf.
676 :     Thanks to Neophytos Michael for reporting the problem.
677 :    
678 :     ----------------------------------------------------------------------
679 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
680 : mblume 1783 Date: 2005/05/04 10:35:00 CDT
681 :     Tag: blume-20050504-join
682 :     Description:
683 :    
684 :     Added a "join" combinator to the ParserComb module in smlnj-lib.cm.
685 :    
686 :     ----------------------------------------------------------------------
687 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
688 : mblume 1770 Date: 2005/02/28 23:40:00 CST
689 :     Tag: blume-20050228-mVar
690 :     Description:
691 :    
692 :     Fixed serious bug (brown paper bag variety) in new implementation of
693 :     structure Atom in CML. (I had accidentally used a mailbox instead of
694 :     an mvar, leaving the door open for races.)
695 :    
696 :     ----------------------------------------------------------------------
697 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
698 : mblume 1761 Date: 2005/02/25 15:00:00 CST
699 :     Tag: Release_110_53
700 :     Description:
701 :    
702 :     New working version (110.53). NEW BOOTFILES!
703 :    
704 :     ----------------------------------------------------------------------
705 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
706 : mblume 1760 Date: 2005/02/25 14:50:00 CST
707 :     Tag: blume-20050225-susp
708 :     Description:
709 :    
710 :     Brought back SMLofNJ.Susp. The underlying suspension type is the one
711 :     implemented in Core -- which means that it is the same as the one used
712 :     by the lazy extension.
713 :    
714 :     ----------------------------------------------------------------------
715 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
716 : mblume 1759 Date: 2005/02/24 16:50:00 CST
717 :     Tag: blume-20050224-cml-atom
718 :     Description:
719 :    
720 :     Simpler and at the same time more general implementation of structure
721 :     Atom in CML.
722 :    
723 :     ----------------------------------------------------------------------
724 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
725 : mblume 1758 Date: 2005/02/15 17:35:00 CST
726 :     Tag: blume-20050215-tools
727 :     Description:
728 :    
729 :     Created new "tools" directory under "src" and moved "TraceDebugProf"
730 :     there.
731 :    
732 :     ----------------------------------------------------------------------
733 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
734 : mblume 1755 Date: 2005/02/10 17:55:00 CST
735 :     Tag: blume-20050210-longlong
736 :     Description:
737 :    
738 :     Implemented "long long" arguments and results for NLFFI. (Only the
739 :     PPC/MacOS implementation is complete, the other backends still need to
740 :     be updated.)
741 :    
742 :     ----------------------------------------------------------------------
743 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
744 : mblume 1751 Date: 2005/01/24 17:40:00 CST
745 :     Tag: blume-20050124-mlyacc
746 :     Description:
747 :    
748 :     Minor cleanup in ML-Yacc rule printing mechanism. This should fix a
749 :     problem with certain "as" patterns which previously got rendered
750 :     using incorrect syntax.
751 :    
752 :     ----------------------------------------------------------------------
753 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
754 : mblume 1750 Date: 2005/01/18 12:00:00 CST
755 :     Tag: blume-20050118-profile
756 :     Description:
757 :    
758 :     Made time profiling code (interrupt handler) in runtime system aware
759 :     of new array representation.
760 :    
761 :     ----------------------------------------------------------------------
762 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
763 : mblume 1747 Date: 2005/01/14 18:00:00 CST
764 :     Tag: blume-20050114-heap2exec
765 :     Description:
766 :    
767 :     Implemented new (but still experimental) heap2exec facility. This is
768 :     tested under Mac OS X and should work under Linux (will test shortly).
769 :     It will probably also work on the Sparc (will test some time later).
770 :    
771 :     - removed old "HACKED_STANDALONE" hack from runtime
772 :    
773 :     To be able to test this, uncomment the request for "heap2asm" in
774 :     config/targets prior to installation. (Notice that this is different
775 :     from "heap2exec" mentioned below. Not a typo.)
776 :    
777 :     To perform an actual test, run the command
778 :    
779 :     $ bin/heap2exec heapfile execfile
780 :    
781 :     (You can put heap2exec on your shell's path.)
782 :    
783 :     For example, run
784 :    
785 :     $ bin/heap2exec bin/.heap/ml-yacc.ppc-darwin mly
786 :    
787 :     This will create a standalone executable called "mly" which you can
788 :     then invoke directly as a command.
789 :    
790 :     ----------------------------------------------------------------------
791 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
792 : mblume 1746 Date: 2005/01/07 11:44:00 CST
793 :     Tag: blume-20050107-mlstring
794 :     Description:
795 :    
796 :     fixed off-by-one error in ML_STRING macro (globals.c)
797 :    
798 :     ----------------------------------------------------------------------
799 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
800 : mblume 1744 Date: 2004/12/23 18:00:00 CST
801 :     Tag: blume-20041223-santa
802 :     Description:
803 :    
804 :     Made ml-build script "smarter" (but only very little).
805 :    
806 :     ----------------------------------------------------------------------
807 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
808 : mblume 1742 Date: 2004/12/21 15:05:00 CST
809 :     Tag: blume-20041221-longlong
810 :     Description:
811 :    
812 :     * Implemented access to signed and unsigned long long data in NLFFI.
813 :     (The parameter-passing part of the picture has not complete. But
814 :     data structure access seems to work.)
815 :    
816 :     * Fixed CM's incorrect assumption that the PPC is little-endian.
817 :     (On the Mac, it is big-endian. And that's currently our only
818 :     PPC platform.)
819 :    
820 :     ----------------------------------------------------------------------
821 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
822 : mblume 1741 Date: 2004/12/21 12:50:00 CST
823 :     Tag: blume-20041221-memory
824 :     Description:
825 :    
826 :     Some cleanup in the $c/memory.cm library: separated some concerns by
827 :     moving allocation code and memory access code each into their own
828 :     files.
829 :    
830 :     ----------------------------------------------------------------------
831 : allenleung 1740 Name: Allen Leung (leunga (at) reservoir (dot) com)
832 :     Date: 2004/12/17 16:12:00 EST
833 :     Tag: leunga-20041217-cygwin-smlnj-home
834 :     Description:
835 :    
836 : blume 2155 The Unix I/O library of SML/NJ on cygwin does not understand
837 :     Windows style pathname, so problems arise when SMLNJ_HOME is set
838 :     to a Windows style pathname. _run-sml now converts SMLNJ_HOME
839 :     to a POSIX pathname on cygwin.
840 : allenleung 1740
841 :     ----------------------------------------------------------------------
842 : mblume 1737 Name: Matthias Blume (blume (at) tti - c (dot) org)
843 : mblume 1736 Date: 2004/12/16 13:35:00 CST
844 :     Tag: Release_110_52
845 :     Description:
846 :    
847 :     Last-minute changes incorporated into 110.52. Release tag moved.
848 :    
849 :     The changes:
850 :     - HashString.hashString' -> HashString.hashSubstring
851 :     - bug fix in UnivariateStats
852 :    
853 :     ----------------------------------------------------------------------
854 : mblume 1702 Name: Matthias Blume (blume (at) tti - c (dot) org)
855 : mblume 1733 Date: 2004/12/15 23:40:00 CST
856 :     Tag: blume-20041215-hashSubstring
857 :     Description:
858 :    
859 :     - HashString.hashString' -> HashString.hashSubstring
860 :     - corresponding changes in atom.sml
861 :     - "de-compressed" (aka. un-obfuscated) code for UnivariateStats and
862 :     added some comments
863 :    
864 :     ----------------------------------------------------------------------
865 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
866 : mblume 1728 Date: 2004/12/15 15:30:00 CST
867 : mblume 1736 Tag: (Release_110_52)
868 : mblume 1728 Description:
869 :    
870 :     New working version (110.52). NEW BOOTFILES!
871 :    
872 :     ----------------------------------------------------------------------
873 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
874 : mblume 1727 Date: 2004/12/15 12:45:00 CST
875 :     Tag: blume-20041215-spaces
876 :     Description:
877 :    
878 :     More on the space problem (this time for Win32).
879 :    
880 :     ----------------------------------------------------------------------
881 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
882 : mblume 1725 Date: 2004/12/14 17:30:00 CST
883 :     Tag: blume-20041214-spaces
884 :     Description:
885 :    
886 :     Hacked some of the scripts (in particular: the installer) to cope with
887 :     spaces in filenames a bit better. But beware: the current "solution"
888 :     is likely still full of bugs and inherently incomplete. (We need to
889 :     do away with those shell scripts for a comprehensive solution.)
890 :    
891 :     ----------------------------------------------------------------------
892 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
893 : mblume 1724 Date: 2004/12/13 14:45:00 CST
894 :     Tag: blume-20041213-ml-makedepend
895 :     Description:
896 :    
897 :     Fixed bug in code for ml-makedepend.
898 :    
899 :     ----------------------------------------------------------------------
900 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
901 : mblume 1720 Date: 2004/12/09 16:30:00 CST
902 :     Tag: blume-20041209-statistics
903 :     Description:
904 :    
905 :     Added two simple but potentially useful statistics modules to SML/NJ Library.
906 :     (See CHANGES file there.)
907 :    
908 :     ----------------------------------------------------------------------
909 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
910 : mblume 1718 Date: 2004/12/01 16:50:00 CST
911 :     Tag: blume-20041201-atom
912 :     Description:
913 :    
914 :     smlnj-lib:
915 :    
916 :     Added function HashString.hashString' for substrings.
917 :     Hand-inlined CharVector.foldl into HashString (for speed).
918 :     Modified implementation of structure Atom to avoid extracting
919 :     strings from substrings unless necessary.
920 :     (Also see CHANGES file for smlnj-lib.)
921 :    
922 :     ----------------------------------------------------------------------
923 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
924 : mblume 1717 Date: 2004/11/24 22:15:00 CST
925 :     Tag: blume-20041124-cml
926 :     Description:
927 :    
928 :     Made sure CML compiles when Position = Int64.
929 :    
930 :     ----------------------------------------------------------------------
931 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
932 : mblume 1715 Date: 2004/11/24 14:30:00 CST
933 :     Tag: blume-20041124-position
934 :     Description:
935 :    
936 :     The compiler can now be compiled in a mode that makes structure Position
937 :     equal to Int64. The default, however, is unchanged (Position = Int31)
938 :     for the time being.
939 :    
940 :     To enable 64-bit positions, use the following procedure:
941 :    
942 :     1. Start sml
943 :     2. Autoload $smlnj/cmb.cm (if not already autoloaded)
944 :     3. Type
945 :     #set (CMB.symval "USE_64_BIT_POSITIONS") (SOME 1);
946 :     4. Run CMB.make() as usual.
947 :    
948 :     This is barely tested. The only test so far was a little SML program
949 :     counting the number of characters in an 8-gigabyte file by
950 :     reading it character-by-character. That test was successful.
951 :    
952 :     In support of 64-bit positions, a number of new functions have been
953 :     added to the runtime system.
954 :    
955 :     ----------------------------------------------------------------------
956 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
957 : mblume 1716 Date: 2004/11/23 14:45:00 CST
958 :     Tag: blume-20041123-useFile
959 : mblume 1712 Description:
960 :    
961 :     Fixed a problem with unhelpful error messages related to problems with
962 :     .cm- or .sml files that appear as part of the sml command line.
963 :    
964 :     ----------------------------------------------------------------------
965 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
966 : mblume 1703 Date: 2004/11/18 15:40:00 CST
967 :     Tag: Release_110_51
968 :     Description:
969 :    
970 :     New working version (110.51). NEW BOOTFILES!
971 :    
972 :     ----------------------------------------------------------------------
973 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
974 : mblume 1702 Date: 2004/11/18 15:35:00 CST
975 :     Tag: <none>
976 :     Description:
977 :    
978 :     Enabled dlopen and friends for FreeBSD (as recommended by Johannes 5
979 :     Joemann).
980 :    
981 :     ----------------------------------------------------------------------
982 : allenleung 1701 Name: Allen Leung (leunga (at) reservoir (dot) com)
983 :     Date: 2004/11/17 16:05:21 EST 2004
984 :     Tag: leunga-20041117-mlrisc-live-kill
985 :     Description:
986 :    
987 : blume 2155 Added support for MLTree constructs LIVE and KILL
988 : allenleung 1701 to all the architectures.
989 :    
990 :     ----------------------------------------------------------------------
991 : mblume 1687 Name: Matthias Blume (blume (at) tti - c (dot) org)
992 : mblume 1689 Date: 2004/11/13 00:20:00 CST
993 :     Tag: blume-20041113-versiontool
994 :     Description:
995 :    
996 :     - Stripped down the versiontool: It now only handles the version number.
997 :     The date string is generated at bootstrap time (during makeml).
998 :    
999 :     - In a previous commit, fixed a minor issue with how polyequal is being
1000 :     translated. In particular, the code now "looks through" abstractions.
1001 :     This results in slightly fewer polyEqual warnings and hopefully slightly
1002 :     more efficient code. Important examples for where this matters are
1003 :     the new int64 and word64 types.
1004 :    
1005 :     ----------------------------------------------------------------------
1006 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1007 : mblume 1687 Date: 2004/11/12 00:30:00 CST
1008 :     Tag: blume-20041112-int64
1009 :     Description:
1010 :    
1011 :     Structure Int64 fully hooked in. (The implementation is not very
1012 :     efficient, though.)
1013 :    
1014 :     ----------------------------------------------------------------------
1015 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1016 : mblume 1686 Date: 2004/11/11 17:30:00 CST
1017 :     Tag: blume-20041111-more64
1018 :     Description:
1019 :    
1020 :     All the pieces of Word64 are now there, with the exception of the
1021 :     conversions from and to LargeWord. (Eventually these need to be identities,
1022 :     but for the time being they don't even make sense because LargeWord is
1023 :     32-bit wide.)
1024 :    
1025 :     Also started to add similar support for Int64, but major pieces of that
1026 :     are still missing.
1027 :    
1028 :     ----------------------------------------------------------------------
1029 : mblume 1668 Name: Matthias Blume (blume (at) tti - c (dot) org)
1030 : mblume 1684 Date: 2004/11/11 00:15:00 CST
1031 :     Tag: blume-20041111-word64
1032 :     Description:
1033 :    
1034 :     Structure Word64 is now (almost) complete, word literals and patterns
1035 :     seem to work. There are a few odd pieces missing. In particular,
1036 :     I didn't do the {from,to}LargeWord parts because LargeWord is still Word32
1037 :     at the moment.
1038 :    
1039 :     Making Word64 official would mean that LargeWord becomes Word64. But
1040 :     this requires extreme care because most word-word conversions have to
1041 :     go through LargeWord, so making a mistake means loss of efficiency or
1042 :     worse. Eventually there will be a solution similar to (but actually
1043 :     simpler than) what I did with IntInf.
1044 :    
1045 :     ----------------------------------------------------------------------
1046 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1047 : mblume 1683 Date: 2004/11/10 18:12:00 CST
1048 :     Tag: blume-20041110-64bit
1049 :     Description:
1050 :    
1051 :     More 64-bit hacking (but still not even half-way there yet).
1052 :     Also, some assorted improvements to the handling of 8-bit words.
1053 :    
1054 :     ----------------------------------------------------------------------
1055 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1056 : mblume 1682 Date: 2004/11/09 17:50:00 CST
1057 : mblume 1683 Tag: <none>
1058 : mblume 1682 Description:
1059 :    
1060 :     Started adding some infrastructure for supporting 64-bit int- and
1061 :     word-types. (Still in its very early stages.)
1062 :    
1063 :     ----------------------------------------------------------------------
1064 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1065 : mblume 1672 Date: 2004/10/28 10:45:00 CDT
1066 :     Tag: Release_110_50
1067 :     Description:
1068 :    
1069 :     New working version (110.50). NEW BOOTFILES!
1070 :    
1071 :     =====================
1072 :    
1073 :     Also:
1074 :    
1075 :     - Changend config/srcarchiveurl from a file just
1076 :     containing the URL string into a file containing
1077 :     shell script code. The code has access to the $VERSION variable.
1078 :     - Made corresponding changes to config/install.sh and config/unpack.
1079 :     - Default contents of config/srcarchiveurl uses $VERSION and
1080 :     normally does not have to be edited to reflect a version change.
1081 :    
1082 :     (As a result, a version change can be done by just editing
1083 :     config/version, the rest is now automatic.)
1084 :    
1085 :     ----------------------------------------------------------------------
1086 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1087 : mblume 1669 Date: 2004/10/27 17:50:00 CDT
1088 :     Tag: blume-20041027-btrace-msg
1089 :     Description:
1090 :    
1091 :     BackTrace.monitor now also reports the source of the exception that
1092 :     triggered the trace.
1093 :    
1094 :     ----------------------------------------------------------------------
1095 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1096 : mblume 1668 Date: 2004/10/27 17:20:00 CDT
1097 :     Tag: blume-20041027-x86-c-calls
1098 :     Description:
1099 :    
1100 :     This is the HISTORY entry for two earlier commits, both concerning
1101 :     the x86 c-calls code in MLRISC:
1102 :    
1103 :     - added a missing LOAD in the code that deals with struct arguments
1104 :     - made sure the caller does not add the wrong number of bytes to the
1105 :     stack pointer after a call of a function returning a struct
1106 :     (the callee already pops the implicit argument which points to
1107 :     the space reserved for the result)
1108 :    
1109 :     ----------------------------------------------------------------------
1110 : allenleung 1662 Name: Allen Leung (leunga (at) reservoir (dot) com)
1111 :     Date: 2004/10/24 14:00:00 EST
1112 :     Tag: leunga-20041024-x86-gas-fucomip
1113 :     Description:
1114 :    
1115 :     John discovered a bug in the syntax of fucomip.
1116 :     The opcodes FU?COMIP? have been changed to
1117 :    
1118 :     fu?comip? %st(i), %st
1119 :    
1120 :     ----------------------------------------------------------------------
1121 : mblume 1622 Name: Matthias Blume (blume (at) tti - c (dot) org)
1122 : mblume 1656 Date: 2004/10/20 15:06:00 CDT
1123 :     Tag: blume-20041020-standalone-backtrace
1124 :     Description:
1125 :    
1126 :     Added a mechanism for getting back-trace information from standalone
1127 :     programs. Here is how it works:
1128 :    
1129 :     1. The part of the program from which you want to get backtrace
1130 :     information (usually the whole program) should be wrapped with
1131 :     BackTrace.monitor. This is a (unit->'a)->'a function, and your
1132 :     main program could be modified from something like
1133 :    
1134 :     fun main (pgm, args) = ...
1135 :    
1136 :     to
1137 :    
1138 :     fun main (pgm, args) = BackTrace.monitor (fn () => ...)
1139 :    
1140 :     2. To be able to access BackTrace.monitor, you have to add
1141 :     library $smlnj-tdp/plugins.cm to the .cm file that contains your
1142 :     main function.
1143 :    
1144 :     3. Remove all compiled code (i.e., all the .cm/ subdirectories that
1145 :     CM might have created in the past for your project).
1146 :    
1147 :     4. Build the system using this command line:
1148 :    
1149 :     ml-build -Ctdp.instrument=true \$smlnj-tdp/back-trace.cm \
1150 :     myprog.cm MyProg.main myprog
1151 :    
1152 :     instead of the usual
1153 :    
1154 :     ml-build myprog.cm MyProg.main myprog
1155 :    
1156 :     I changed a library name:
1157 :    
1158 :     $/trace-debug-profile.cm --> $smlnj-tdp/plugins.cm
1159 :    
1160 :     New libraries:
1161 :    
1162 :     $smlnj-tdp/back-trace.cm
1163 :     -- when loaded causes the back-trace plugin to be installed
1164 :     $smlnj-tdp/coverage.cm
1165 :     -- when loaded causes the coverage plugin to be installed
1166 :    
1167 :     ----------------------------------------------------------------------
1168 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1169 : mblume 1655 Date: 2004/10/18 16:45:00 CDT
1170 :     Tag: blume-20041018-groupowner
1171 :     Description:
1172 :    
1173 :     Added an "obsolete" warning for the "group owner" syntax to CM's parser.
1174 :    
1175 :     Eliminated group owner specs from .cm files throughout the source tree.
1176 :    
1177 :     ----------------------------------------------------------------------
1178 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1179 : mblume 1653 Date: 2004/10/15 15:45:00 CDT
1180 :     Tag: blume-20041015-coverage
1181 :     Description:
1182 :    
1183 :     * Test coverage tool added!
1184 :     * Further reorganization of tracing-, debugging-, and profiling support:
1185 :    
1186 :     - moved original BTImp -- now called BackTrace -- into a separate
1187 :     library called $/trace-debug-profile.cm
1188 :     - eliminated all mentions of BTrace from SMLofNJ.Internals
1189 :     - only the instrumentation mechanism is now left in the compiler proper
1190 :     - BackTrace module is a plugin which is NOT plugged in by default
1191 :     - Coverage module is another such plugin
1192 :    
1193 :     To get the benefits of any of these plugin modules, the code in
1194 :     question must be compiled with tdp instrumentation turned on. This
1195 :     can be done by setting SMLofNJ.Internals.TDP.mode to true.
1196 :     (The ref cell is also controlled via the -Ctdp.instrument=... switch.)
1197 :    
1198 :     Plugins are selected at link time. (Pre-compiled instrumented code
1199 :     can be re-loaded with different plugins in effect.) When an
1200 :     instrumented module is linked, whatever plugins are at that time
1201 :     enabled will come into effect for that module.
1202 :    
1203 :     To enable the back-trace plugin, load library $/trace-debug-profile.cm
1204 :     and invoke BackTrace.install() (e.g., from the interactive prompt).
1205 :     To enable the coverage plugin, load the same library and invoke
1206 :     Coverage.install().
1207 :    
1208 :     Back-traces are generated automatically on uncaught exceptions and
1209 :     when the code in question explicitly invokes BackTrace.trigger().
1210 :    
1211 :     Coverage (and execution frequency-) information must be queried
1212 :     explicitly by calling Coverage.not_covered and Coverage.hot_spots.
1213 :    
1214 :     ----------------------------------------------------------------------
1215 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1216 : mblume 1652 Date: 2004/10/14 17:40:00 CDT
1217 :     Tag: blume-20041014-tdp-core
1218 :     Description:
1219 :    
1220 :     Snapshot of a significant overhaul of how the trace/debug/profile support
1221 :     is hooked into the system (specifically: Core and SMLofNJ.Internals).
1222 :    
1223 :     ----------------------------------------------------------------------
1224 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1225 : mblume 1650 Date: 2004/10/13 16:34:00 CDT
1226 :     Tag: blume-20041013-tdp
1227 :     Description:
1228 :    
1229 :     Some rationalization of names:
1230 :    
1231 :     structure BTrace -> structure TDPInstrument
1232 :     etc.
1233 :    
1234 :     This is is preparation of using the original back-trace
1235 :     instrumentation for other purposes. "TDP" stands for
1236 :     Trace/Debug/Profile.
1237 :    
1238 :     The control flag controlling whether instrumentation is on or off is now
1239 :     registered under a different name, so instead of running sml as
1240 :    
1241 :     sml -Cinstrument.btrace-mode=true
1242 :    
1243 :     one has to say
1244 :    
1245 :     sml -Ctdp.instrument=true
1246 :    
1247 :     ----------------------------------------------------------------------
1248 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1249 : mblume 1645 Date: 2004/10/11 16:37:00 CDT
1250 :     Tag: blume-20041011-regions
1251 :     Description:
1252 :    
1253 :     Made some minor modifications to elabcore.sml to have source regions
1254 :     be propagated more tightly -- resulting in better (i.e., smaller)
1255 :     regions being reported in error- and debug messages.
1256 :    
1257 :     ----------------------------------------------------------------------
1258 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1259 : mblume 1644 Date: 2004/10/08 22:50:00 CDT
1260 :     Tag: blume-20041008-cmkw
1261 :     Description:
1262 :    
1263 :     Fixed handling of keywords in .cm files: After seeing "is" the lexer
1264 :     treats subsequent occurrences of "group", "library", "source", "is",
1265 :     "*", and "-" as ordinary identifiers rather than keywords.
1266 :    
1267 :     Most seriously, this fixes a problem with CM's "shell" tool. The tool
1268 :     is supposed to accept a tool argument called "source", but this did
1269 :     not work because of the clash with the keyword.
1270 :    
1271 :     ----------------------------------------------------------------------
1272 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1273 : mblume 1642 Date: 2004/10/07 16:00:00 CDT
1274 :     Tag: blume-20041007-cleanup
1275 :     Description:
1276 :    
1277 :     Assorted cleanup work:
1278 :    
1279 :     - got rid of intstrmap in favor of using the library's
1280 :     hash table implementation
1281 :     - threw out most of the pathnames stuff, as it was not used anyway
1282 :     - simplified tokentable implementation
1283 :     - fixed some minor spelling errors
1284 :    
1285 :     ----------------------------------------------------------------------
1286 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1287 : mblume 1641 Date: 2004/10/06 15:15:15 CDT
1288 :     Tag: blume-20041006-handler
1289 :     Description:
1290 :    
1291 :     Cleaned up the absyn to reflect the invariant that HANDLE always
1292 :     carries a FNexp as part of the type definition. This eliminates some
1293 :     superfluous sanity checks at runtime down the road.
1294 :    
1295 :     Some minor cleanup of the btrace code.
1296 :    
1297 :     ----------------------------------------------------------------------
1298 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1299 : mblume 1640 Date: 2004/10/01 10:20:30 CDT
1300 :     Tag: blume-20041001-slave
1301 :     Description:
1302 :    
1303 :     Added hack to make slave mode work in the presence of the version
1304 :     tool. (Still, since the master does two passes over the code for
1305 :     CMB.make, the release number gets bumped twice when slaves are
1306 :     attached. I don't know if this is worth fixing...)
1307 :    
1308 :     ----------------------------------------------------------------------
1309 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1310 : mblume 1639 Date: 2004/09/30 10:55:00 CDT
1311 :     Tag: blume-20040930-version
1312 :     Description:
1313 :    
1314 :     * Moved the "version" magic into its own little library under
1315 : mblume 1672 src/system/smlnj/internal. This avoids expensive reconstruction of
1316 :     a stable src/compiler/core.cm.
1317 : mblume 1639
1318 : mblume 1672 * At the same time, structure CompilerVersion is now known as
1319 :     structure SMLNJVersion.
1320 : mblume 1639
1321 :     * Arranged for the version tool to NOT kick in when rebuilding the system
1322 :     (makeml -rebuild, fixpt). Otherwise one would never reach a fixpoint.
1323 :     Also, loading the versiontool does not work when rebuilding the system
1324 :     because CM is not properly initialized at that time.
1325 :    
1326 :     ----------------------------------------------------------------------
1327 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1328 : mblume 1638 Date: 2004/09/29 14:00:00 CDT
1329 :     Tag: blume-20040929-autoversion
1330 :     Description:
1331 :    
1332 :     Implemented some CM magic to have
1333 :     file src/compiler/TopLevel/main/version.sml
1334 :     generated automagically.
1335 :     The version is taken from two files: config/version and config/release.
1336 :     The first is expected to contain a two-part version number such as 110.49.
1337 :     The second should contain a single number, but it may be missing.
1338 :    
1339 :     If the environment variable VERSIONTOOL_BUMP_RELEASE is defined at the
1340 :     time the version tool is loaded (which is the first time you say CMB.make),
1341 :     then the tool will increment the value stored in config/release every
1342 :     time CMB.make is invoked.
1343 :    
1344 :     The binfile format is now insensitive to anything beyond the first
1345 :     two components of a version number, so bumping the release does not render
1346 :     binfiles incompatible. Auto-bumping can be used to keep track of versions
1347 :     during development without invalidating existing binfiles.
1348 :    
1349 :     In any case, every CMB.make updates the date information in version.sml.
1350 :     (This is the date that is printed in the banner.)
1351 :    
1352 :     ----------------------------------------------------------------------
1353 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1354 : mblume 1634 Date: 2004/09/28 10:53:00 CDT
1355 :     Tag: blume-20040928-controls
1356 :     Description:
1357 :    
1358 :     Some cleanup of the controls code.
1359 :    
1360 :     ----------------------------------------------------------------------
1361 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1362 : mblume 1633 Date: 2004/09/27 22:08:00 CDT
1363 :     Tag: blume-20040927-controls
1364 :     Description:
1365 :    
1366 :     Added two pieces of functionality to the Controls interface:
1367 :    
1368 :     1. val save'restore: 'a control -> unit -> unit
1369 :    
1370 :     grabs the current value of the control in stage 1 and restores it
1371 :     in stage 2.
1372 :    
1373 :     2. val set' : 'a control * 'a -> unit -> unit
1374 :    
1375 :     stores the given value into the control in stage 2 (i.e., delayed)
1376 :     but does all error checking in stage 1.
1377 :     (This is for string controls that need to do parse their argument --
1378 :     something that might fail. In some cases, notably in CM, one
1379 :     already knows the intended argument but wants to delay the actual
1380 :     assignment until a time when error recovery would be more difficult.)
1381 :    
1382 :     Changed the handling of controls in tool arguments to classes "sml" and
1383 :     "lazysml":
1384 :     - use Controls.save'restore as a more robust way of restoring the
1385 :     old value (in particular: without having to re-parse the string)
1386 :     - use controls to handle the "overload" keyword in the init group
1387 :     (I believe this change actually fixes a long-standing obscure bug.)
1388 :    
1389 :     ----------------------------------------------------------------------
1390 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1391 : mblume 1632 Date: 2004/09/27 17:00:00 CDT
1392 :     Tag: blume-20040927-lazysml
1393 :     Description:
1394 :    
1395 :     Added a new tool class called "lazysml" to CM's tool chest. The only
1396 :     difference to "sml" is that compilation is done with Control.lazysml
1397 :     set to true. A source of class "lazysml" is automatically recognized
1398 :     by a file name suffix of ".lml".
1399 :    
1400 :     In addition to the above feature, the original class "sml" now also
1401 :     supports a tool argument "lazy" which has the same effect. As a
1402 :     result, the following three lines are equivalent:
1403 :    
1404 :     foo.sml : lazysml
1405 :     foo.sml : sml (lazy)
1406 :     foo.sml (lazy)
1407 :    
1408 :     The setting goes into effect both during parsing and during
1409 :     compilation. The original setting is restored right after parsing and
1410 :     after compilation, respectively.
1411 :    
1412 :     In addition to all the above, there is also a general mechanism to set
1413 :     ANY of the "controls" that are available at the command line via
1414 :     "-C..." on a per-sml-file basis. The same rules that apply for "lazy"
1415 :     apply as well. (In fact, "lazy" is implemented as a special case of
1416 :     the general mechanism.)
1417 :    
1418 :     The .cm file syntax uses a new keyword tool argument called "with".
1419 :     There are several ways of indicating the desired settings:
1420 :    
1421 :     foo.sml (with:parser.quotations=true)
1422 :     foo.sml (with:(name:parser.quotations value:true))
1423 :     foo.sml (with:(name:name1 value:value1 name:name2 value:value2 ...))
1424 :     foo.sml (with:(name1=value1 name2=value2 ...))
1425 :     foo.sml (with:(name1=value1 name:name2 value:value2 name3=value3 ...))
1426 :    
1427 :     etc.
1428 :    
1429 :     Another possible abbreviation is to leave out the =v or value:v part
1430 :     if the name refers to a boolean control (in which case the value is
1431 :     taken to be true). Thus, one could get lazy sml also by saying:
1432 :    
1433 :     foo.sml (with:parser.lazy-keyword=true)
1434 :     foo.sml (with:parser.lazy-keyword)
1435 :     foo.sml (with:(name:parser.lazy-keyword value:true))
1436 :     foo.sml (with:(name:parser.lazy-keyword))
1437 :    
1438 :     ----------------------------------------------------------------------
1439 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1440 : mblume 1631 Date: 2004/09/24 16:22:00 CDT
1441 :     Tag: blume-20040924-ppc-long-branch
1442 :     Description:
1443 :    
1444 :     Turned message about "emiting long form of branch" off by default.
1445 :     Added a control flag to turn it back on when desired.
1446 :    
1447 :     ----------------------------------------------------------------------
1448 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1449 : mblume 1630 Date: 2004/09/24 16:05:00 CDT
1450 :     Tag: blume-20040924-rounding
1451 :     Description:
1452 :    
1453 :     Applied patch for setting rounding modes under Mac OS X. Thanks to
1454 :     Melissa O'Neill for providing the code!
1455 :    
1456 :     ----------------------------------------------------------------------
1457 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1458 : mblume 1629 Date: 2004/09/23 17:30:00 CDT
1459 :     Tag: blume-20040923-envvars
1460 :     Description:
1461 :    
1462 :     1. Changed definition of type ControlRegistry.registry_tree to
1463 :     include control_info (i.e., the name of the controlling environment
1464 :     variable).
1465 :    
1466 :     2. Added command-line flags -e and -E to print the names of environment
1467 :     variables that can be used to control internal settings.
1468 :     (This uses the new API mentioned in 1.)
1469 :    
1470 :     ----------------------------------------------------------------------
1471 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1472 : mblume 1622 Date: 2004/09/13 16:50:00 CDT
1473 :     Tag: Release_110_49
1474 :     Description:
1475 :    
1476 :     New working version (110.49). NEW BOOTFILES!
1477 :    
1478 :     ----------------------------------------------------------------------
1479 : mblume 1621 Name: Matthias Blume
1480 :     Date: 2004/09/13 16:20:00 CDT
1481 :     Tag: blume-20040913-config-mlrisc
1482 :     Description:
1483 :    
1484 :     Put target "mlrisc" back into the default list.
1485 :     (There is no harm in having it, and some users have expressed their
1486 :     wish to have "mlrisc" included by default.)
1487 :    
1488 :     ----------------------------------------------------------------------
1489 : jhr 1620 Name: John Reppy
1490 :     Date: 2004/09/13
1491 :     Tag: jhr-20040913-signals
1492 :     Description:
1493 :    
1494 :     Fixed the signal masking code to properly nest mask/unmask operations
1495 :     on a per-signal basis.
1496 :    
1497 :     ----------------------------------------------------------------------
1498 : mblume 1619 Name: Matthias Blume (blume (at) tti - c (dot) org)
1499 :     Date: 2004/09/08 13:20:00 CDT
1500 :     Tag: blume-20040908-heap-magic
1501 :     Description:
1502 :    
1503 :     Bumped the heap macig number to 0x09082004 to account for the changed
1504 :     layout of the ML frame under MacOS X.
1505 :    
1506 :     ----------------------------------------------------------------------
1507 : allenleung 1618 Name: Allen Leung (leunga (at) reservoir (dot) com)
1508 :     Date: 2004/09/03 11:26:00 EST
1509 :     Tag: leunga-20040903-cygwin-install
1510 :     Description:
1511 :    
1512 :     Added a patch to _arch-n-opsys to enable the Cygwin runtime.
1513 :     The Cygwin runtime is turned on by setting the environment
1514 :     variable SMLNJ_CYGWIN_RUNTIME to 1.
1515 :    
1516 :     ----------------------------------------------------------------------
1517 : mblume 1615 Name: Matthias Blume (blume (at) tti - c (dot) org)
1518 : mblume 1617 Date: 2004/08/31 17:15:00 CDT
1519 :     Tag: blume-20040831-core
1520 :     Description:
1521 :    
1522 :     Added some exports to src/compiler/core.cm upon request by J. Joemann.
1523 :    
1524 :     ----------------------------------------------------------------------
1525 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1526 : mblume 1616 Date: 2004/08/30 17:55:00 CDT
1527 :     Tag: blume-20040830-installer
1528 :     Description:
1529 :    
1530 :     Upon request by Johannes Joemann:
1531 :    
1532 :     - improved ML code of installer to fall back to coping when renaming
1533 :     fails (i.e., when source and target are on different file systems);
1534 :     the code compiles but has yet to be tested in anger
1535 :     - removed mlrisc from list of default targets (config/targets)
1536 :    
1537 :     ----------------------------------------------------------------------
1538 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1539 : mblume 1615 Date: 2004/08/27 17:20:00 CDT
1540 :     Tag: blume-20040827-ptreql
1541 :     Description:
1542 :    
1543 :     Added ptreql primop to structure InlineT (upon request from Larry
1544 :     Paulson).
1545 :    
1546 :     ----------------------------------------------------------------------
1547 : allenleung 1613 Name: Allen Leung (leunga (at) reservoir (dot) com)
1548 : allenleung 1614 Date: 2004/08/15 21:21:00 EST
1549 :     Tag: leunga-110_48-udgraph
1550 :     Description:
1551 :    
1552 :     Another bug fix from Carl Hauser:
1553 :    
1554 :     diff /net/niflab/smlnj48/src/MLRISC/graphs/udgraph.sml udgraph.sml
1555 :     > 48c48
1556 :     > < | rmv((e as (k,_))::es,L) = rmv(es,if k = i then es else
1557 :     > e::L)
1558 :     > ---
1559 :     > > | rmv((e as (k,_))::es,L) = rmv(es,if k = i then L else e::L)
1560 :     > Without this, any deletion of an edge in an undirected graph does severe
1561 :     > violence to the graph.
1562 :    
1563 :     ----------------------------------------------------------------------
1564 :     Name: Allen Leung (leunga (at) reservoir (dot) com)
1565 : allenleung 1613 Date: 2004/08/10 23:35:00 EST
1566 :     Tag: leunga-110_48-ppc
1567 :     Description:
1568 :    
1569 :     The IBM/MacOS syntax switch on PPC was incorrectly swapped.
1570 :    
1571 :     ----------------------------------------------------------------------
1572 : mblume 1602 Name: Matthias Blume (blume (at) tti - c (dot) org)
1573 : mblume 1615 Date: 2004/08/10 12:00:00 CDT
1574 : mblume 1602 Tag: Release_110_48
1575 :     Description:
1576 :    
1577 :     New working version (110.48). NEW BOOTFILES!
1578 :    
1579 :     ----------------------------------------------------------------------
1580 : allenleung 1599 Name: Allen Leung (leunga (at) reservoir (dot) com)
1581 :     Date: 2004/08/09 12:21:00 EST
1582 :     Tag: leunga-110_47-dijsktra
1583 :     Description:
1584 :    
1585 :     Bug fix from Carl Hauser:
1586 :    
1587 : blume 2155 single_source_shortest_paths in dijkstra.sml was observed to get wrong
1588 : allenleung 1599 answers (by comparing to single_source_shortest_paths in bellman-ford.sml).
1589 :    
1590 : blume 2155 The problem is that following the expression A.update(dist,s,Num.zero)
1591 : allenleung 1599 it is necessary to update the priority queue using Q.decreaseWeight(Q,s).
1592 :    
1593 :     ----------------------------------------------------------------------
1594 : mblume 1595 Name: Matthias Blume (blume (at) tti - c (dot) org)
1595 :     Date: 2004/08/06 18:10:00 CDT
1596 :     Tag: blume-20040806-cmdline
1597 :     Description:
1598 :    
1599 :     Fiddled with handling of command-line options:
1600 :    
1601 :     * sml now quits after processing the command line
1602 :     if -H, -S, -h<n>, or -s<n> appears as the last
1603 :     command-line argument
1604 :     * a new option -q terminates the session when encountered on
1605 :     the command line; subsequent arguments will be ignored
1606 :     * bug fixes: short (erroneous) arguments are no longer ignored
1607 :     completely
1608 :    
1609 :     ----------------------------------------------------------------------
1610 : allenleung 1593 Name: Allen Leung (leunga (at) reservoir (dot) com)
1611 :     Date: 2004/08/04 18:17:00 EST
1612 :     Tag: leunga-110_47-ppc-ibm-asm
1613 :     Description:
1614 :    
1615 :     - Added minimal IBM assembly syntax support for PowerPC.
1616 :    
1617 : blume 2155 - Cygwin: manually changed the file cygwin.def. Some exported symbols have
1618 : allenleung 1593 been altered in the runtime. We need an automatic way to keep the file
1619 :     in sync.
1620 :    
1621 :     ----------------------------------------------------------------------
1622 : mblume 1548 Name: Matthias Blume (blume (at) tti - c (dot) org)
1623 : mblume 1581 Date: 2004/08/04 14:00:00 CDT
1624 :     Tag: Release_110_47
1625 :     Description:
1626 :    
1627 :     New working version (110.47). NEW BOOTFILES!
1628 :    
1629 :     ----------------------------------------------------------------------
1630 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1631 : mblume 1580 Date: 2004/08/03 14:25:00 CDT
1632 :     Tag: blume-20040803-callingconv
1633 :     Description:
1634 :    
1635 :     Added low-level support for choosing C calling conventions by
1636 :     twiddling the type of rawccall. (See
1637 :     src/compiler/Semant/types/cproto.sml for details.)
1638 :    
1639 :     ----------------------------------------------------------------------
1640 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1641 : mblume 1579 Date: 2004/08/02 15:55:00 CDT
1642 :     Tag: blume-20040802-backout
1643 :     Description:
1644 :    
1645 :     Backed out of change to win32-filesys.c. The earlier patch to
1646 :     get_file_time caused CM to produce files with the wrong time stamp.
1647 :    
1648 :     ----------------------------------------------------------------------
1649 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1650 : mblume 1573 Date: 2004/08/02 14:45:00 CDT
1651 :     Tag: blume-20040802-nlffi-win32
1652 :     Description:
1653 :    
1654 :     Added NLFFI support for Win32, adapted from a patch provided by David
1655 :     Hansel. This is currently completely untested. Also, the issue
1656 :     concerning stdcall vs. ccall is still unresolved.
1657 :    
1658 :     ----------------------------------------------------------------------
1659 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1660 : mblume 1572 Date: 2004/07/30 17:55:00 CDT
1661 :     Tag: blume-20040730-various
1662 :     Description:
1663 :    
1664 :     Gearing up towards 110.47...
1665 :    
1666 :     - various minor bugfixes to ml-nlffigen
1667 :     - a beginning of a manual for nlffi
1668 :    
1669 :     - eliminated 'export name=value' in config/install.sh as this does
1670 :     not work with certain versions of /bin/sh
1671 :     (Thanks to David King at Motorola for catching this.)
1672 :    
1673 :     - several bugfixes provided or suggested by David Hansel at Reactive Systems:
1674 :     - added a test for tm==NULL to gmtime.c and localtime.c
1675 :     - applied patch for incorrect GetFileTime under win32
1676 :     - toSeconds -> toMilliseconds in Win32/win32-process.sml
1677 :    
1678 :     ----------------------------------------------------------------------
1679 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1680 : mblume 1557 Date: 2004/07/21 18:20:00 CDT
1681 :     Tag: blume-20040721-nlffigen
1682 :     Description:
1683 :    
1684 :     - Fixed minor issue in ml-nlffigen: Now generate structure T_foo
1685 :     for a typedef to an incomplete type, but leave out the "typ" member.
1686 :     (This is just for consistency.)
1687 :     - Started to produce what is supposed to become better (i.e., comprehensive)
1688 :     documentation of what ml-nlffigen does and produces.
1689 :    
1690 :     ----------------------------------------------------------------------
1691 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1692 : mblume 1548 Date: 2004/07/14 16:25:00 CDT
1693 :     Tag: blume-20040714-union
1694 :     Description:
1695 :    
1696 :     Added C_UNION to c-calls/c-types.sml and updated the machinery
1697 :     (ml-nlffigen, cproto.sml) that conveys C function interface
1698 :     information to the code generator.
1699 :    
1700 :     However, the actual architecture-specific implementation of function
1701 :     arguments and results that are C unions is still not implemented.
1702 :    
1703 :     ----------------------------------------------------------------------
1704 : allenleung 1539 Name: Allen Leung (leunga (at) reservoir (dot) com)
1705 : allenleung 1546 Date: 2004/07/14 14:38:00 EST
1706 :     Tag: leunga-110_46_1-ppc-lwzu
1707 :     Description:
1708 :    
1709 :     Added these instructions to the PowerPC architecture:
1710 :     LBZU(X), LHZU(X), LWZU(X),
1711 : blume 2155 STWU(X), STFDU, STFSU
1712 :    
1713 : allenleung 1546 etc...
1714 :    
1715 :     Note: I haven't added their instruction encoding into the description.
1716 :    
1717 :     ----------------------------------------------------------------------
1718 :     Name: Allen Leung (leunga (at) reservoir (dot) com)
1719 : allenleung 1539 Date: 2004/07/13 15:04:00 EST
1720 :     Tag: leunga-110_46_1-ppc-lwarx
1721 :     Description:
1722 :    
1723 :     Added the two instructions LWARX and STWCX to the PowerPC
1724 : blume 2155 instruction set.
1725 : allenleung 1539
1726 :     A (untested) rewrite of loop-structure.sml. The old version
1727 :     is completely broken.
1728 :    
1729 :     ----------------------------------------------------------------------
1730 : mblume 1479 Name: Matthias Blume (blume (at) tti - c (dot) org)
1731 : mblume 1537 Date: 2004/07/13 13:50:00 CDT
1732 :     Tag: blume-20040713-nlffi
1733 :     Description:
1734 :    
1735 :     - use paramAlloc to report c-calls with too many arguments
1736 :     (for PPC version where parameter area is pre-allocated)
1737 :     - added ccall_maxargspace to machspec (to implement the above)
1738 :     - made "make" commend in CM's "make" tool configurable
1739 :     - added option (default: on) for passing the name of the SML/NJ's "bin"
1740 :     directory to "make"; the call looks like this:
1741 :    
1742 :     make <options> SMLNJ_BINDIR=<dir> <target>
1743 :    
1744 :     This can be used by the Makefile to, e.g., pick the "right" version
1745 :     of ml-nlffigen.
1746 :     - minor code tweaks
1747 :    
1748 :     ----------------------------------------------------------------------
1749 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1750 : mblume 1532 Date: 2004/07/12 22:50:00 CDT
1751 :     Tag: blume-110_46_1-macosx-nlffi
1752 :     Description:
1753 :    
1754 :     NLFFI under Mac OS X now working (sort of). This is largely untested,
1755 :     though.
1756 :    
1757 :     Note: 1. You have to make a new, clean build of the runtime system.
1758 :     2. There are new BOOTFILES, you have to use them!
1759 :     (Doing the bootstrap process yourself would be *very* painful!
1760 :     If you absolutely have to do it, build the system under
1761 :     a different architecture and then cross-compile.)
1762 :    
1763 :     Version bumped to 110.46.1 to account for runtime data format changes.
1764 :    
1765 :     ----------------------------------------------------------------------
1766 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1767 : mblume 1515 Date: 2004/06/18 14:30:00 CDT
1768 :     Tag: blume-20040618-unix
1769 :     Description:
1770 :    
1771 :     Changed the implementation of structure Unix so that the same stream
1772 :     is returned every time one of the {text,bin}{In,Out}streamOf functions
1773 :     is invoked on the same proc. This is not what the spec currently
1774 :     says -- although IMO it arguably should. (See discussion below.)
1775 :    
1776 :     ----------------------------------------------------------------------
1777 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1778 : mblume 1507 Date: 2004/06/17 18:15:00 CDT
1779 :     Tag: Release_110_46
1780 :     Description:
1781 :    
1782 :     New working version (110.46). NEW BOOTFILES!
1783 :    
1784 :     ----------------------------------------------------------------------
1785 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1786 : mblume 1506 Date: 2004/06/17 17:20:00 CDT
1787 :     Tag: blume-20040617-timer-unix
1788 :     Description:
1789 :    
1790 :     Changed the interface of structures Timer and Unix to match the most
1791 :     recent Basis spec.
1792 :    
1793 :     In the case of Unix there still seems to be an open/weird issue:
1794 :    
1795 :     The {text,bin}{In,Out}streamOf functions are supposed to create
1796 :     fresh streams whenever they are called -- as opposed to have them
1797 :     return the same stream every time. This design is supposed to
1798 :     prevent space leaks caused by proc values hanging on to streams.
1799 :    
1800 :     The reap function, on the other hand, is supposed to close the
1801 :     streams. This cannot be done without having a handle on the
1802 :     stream in proc after all...
1803 :    
1804 :     I took the liberty to implement the following stopgap solution:
1805 :    
1806 :     The proc value hangs on to the most recently created stream(s).
1807 :     Reap closes those. If either or both of the two streams hadn't
1808 :     been created at all yet, then reap will close the corresponding
1809 :     file descriptors directly.
1810 :    
1811 :     PS: I don't understand the original space leak argument anymore. If
1812 :     a proc hangs on to the imperative stream, then I/O operations on those
1813 :     will advance the state of the cached stream and avoid the space leak.
1814 :    
1815 :     ----------------------------------------------------------------------
1816 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1817 : mblume 1500 Date: 2004/05/28 16:45:00 CDT
1818 :     Tag: blume-20040528-basis
1819 :     Description:
1820 :    
1821 :     Added signature PACK_REAL and exported functor PrimIO.
1822 :    
1823 :     ----------------------------------------------------------------------
1824 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1825 : mblume 1498 Date: 2004/05/25 16:00:00 CDT
1826 :     Tag: blume-20040525-group-owner
1827 :     Description:
1828 :    
1829 :     CM now ignores (but still accepts) the "owner" information in group
1830 :     descriptions. The owner of a group is its next enclosing
1831 :     library. Each group must have a unique owner. (There is a virtual
1832 : mblume 1505 "toplevel" library that owns groups which are not nested within a real
1833 : mblume 1498 library.) Previously, each group had to explicitly declare its owner,
1834 :     and CM would check that such a declaration is correct. The new scheme
1835 :     is to have CM check that for each group there is precisely one owning
1836 :     library.
1837 :    
1838 :     The advantage of the new scheme is that the programmer no longer needs
1839 :     to maintain the somewhat annoying owner information. The downside is
1840 :     that CM cannot enforce the ownership rule across multiple runs of
1841 :     CM.make. Fortunately, enclosing the same group in two different
1842 :     libraries A and B which are not part of the same program does not
1843 :     cause real problems.
1844 :    
1845 :     ----------------------------------------------------------------------
1846 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1847 : mblume 1496 Date: 2004/05/20 16:00:00 CDT
1848 :     Tag: blume-20040520-win32
1849 :     Description:
1850 :    
1851 :     Made the win32 version work again. (Strangely, a misplaced comma had
1852 :     slipped into win32-process.c which prevented the runtime from being
1853 :     compiled correctly.)
1854 :    
1855 :     Also, included a minor addition to ml-build.bat analogous to what was
1856 :     done in blume-20040519-ml-build.
1857 :    
1858 :     ----------------------------------------------------------------------
1859 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1860 : mblume 1494 Date: 2004/05/19 22:10:00 CDT
1861 :     Tag: blume-20040519-ml-build
1862 :     Description:
1863 :    
1864 :     Arranged for ml-build to clean up after itself a little bit better.
1865 :     The script generates a temporary SML source file and compiles it using
1866 :     CM, so CM generates metadata (GUID, SKEL, objectfile) for it. It now
1867 :     gets rid of those at the end, so they don't accumulate under .cm.
1868 :    
1869 :     This required a minor change to install.sh because the name of the
1870 :     metadata directory (default: .cm) is actually configurable at
1871 :     installation time.
1872 :    
1873 :     ----------------------------------------------------------------------
1874 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1875 : mblume 1491 Date: 2004/05/18 15:50:00 CDT
1876 :     Tag: blume-20040518-mkreader
1877 :     Description:
1878 :    
1879 :     Added Posix.IO.mk{Bin,Text}{Reader,Writer} by lifting their respective
1880 :     implementations from internal modules PosixBinPrimIO and PosixTextPrimIO.
1881 :    
1882 :     ----------------------------------------------------------------------
1883 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1884 : mblume 1489 Date: 2004/05/11 14:35:00 CDT
1885 :     Tag: blume-20040511-win32sock
1886 :     Description:
1887 :    
1888 :     Added previously missing support for many socket-related functions
1889 :     under win32. Thanks to David Hansel <hansel@reactive-systems.com>
1890 :     for the voluminous patch!
1891 :    
1892 :     (I have not tested this patch under win32 yet.)
1893 :    
1894 : mblume 1490 Here is David's e-mail:
1895 :    
1896 :     Hi,
1897 :    
1898 :     Attached to this email you find a diff against sml/nj 110.45
1899 :     that will enable socket support under Windows.
1900 :    
1901 :     To apply the patch (using unix or cygwin)
1902 :     1) gunzip runtime.diff.gz
1903 :     2) "cd" into "src/runtime" in the source tree of a fresh
1904 :     110.45 installation.
1905 :     3) patch -p 1 < [your/path/to]runtime.diff
1906 :    
1907 : blume 2155 The code compiles fine but has NOT yet been extensively tested.
1908 :     I only ran a few tests for basic socket client functionality
1909 :     (which worked fine). Especially the functions that use ioctl
1910 : mblume 1490 are not tested at all and might not work (see below).
1911 :    
1912 :     I implemented this since we want to move to a newer version of sml/nj
1913 :     but need socket support in order to use it. This is the first time I
1914 :     even had a look at the sml/nj source, so please review my changes
1915 :     before making this part of the distribution! Here are a few issues
1916 : blume 2155 that I think might be better for someone to solve who is more
1917 : mblume 1490 familiar with the sml/nj source (and socket programming):
1918 :    
1919 :     - getnetbyaddr.c and getnetbyname.c will raise a "not implemented"
1920 :     exception since I could not figure out what the windows equivalent
1921 :     of these functions is
1922 :    
1923 :     - In sockets-osdep.h there are a some #include statements that are
1924 :     only used in a few files that include sockets-osdep.h
1925 :    
1926 :     - In smlnj-sock-lib.c, function init_fn() calls WSAStartup() but
1927 :     does not process its return value since I don't know how to
1928 :     report an error upwards.
1929 :    
1930 :     - It would probably be good to have a call to WSACleanup() when
1931 : blume 2155 the library is unloaded (if there is such a possibility).
1932 : mblume 1490 Otherwise I think Windows will take care of this automatically
1933 :     when the process finishes.
1934 :    
1935 :     - I used ioctlsocket() as a replacement for ioctl() but I have
1936 :     no idea if that is actually the proper replacement on Windows.
1937 :    
1938 :     - All these issues are marked in the code by "FIXME" comments.
1939 :    
1940 : blume 2155 We use sml/nj extensively in our products and are quite happy
1941 :     with it. I hope this contribution will help you.
1942 : mblume 1490
1943 :     Keep up the good work!
1944 :    
1945 :     David
1946 :    
1947 : mblume 1489 ----------------------------------------------------------------------
1948 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1949 : mblume 1488 Date: 2004/05/11 14:20:00 CDT
1950 :     Tag: blume-20040511-installml
1951 :     Description:
1952 :    
1953 :     Fixed two bugs in installml script. (Thanks to Vesa A. Norrman for
1954 :     the patch.)
1955 :    
1956 :     ----------------------------------------------------------------------
1957 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1958 : mblume 1487 Date: 2004/05/11 14:05:00 CDT
1959 :     Tag: blume-20040511-nlffi-netbsd
1960 :     Description:
1961 :    
1962 :     Added support for nlffi under netbsd. (Thanks to Vesa A. Norrman for
1963 :     the patch.)
1964 :    
1965 :     ----------------------------------------------------------------------
1966 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1967 : mblume 1486 Date: 2004/05/11 12:05:00 CDT
1968 :     Tag: blume-20040511-exports
1969 :     Description:
1970 :    
1971 :     As per request by Adam Chlipala <adam@hcoop.net>, extended various
1972 :     export lists in compiler-related .cm-files.
1973 :    
1974 :     ----------------------------------------------------------------------
1975 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1976 : mblume 1485 Date: 2004/05/11 11:35:00 CDT
1977 :     Tag: blume-20040511-allsource
1978 :     Description:
1979 :    
1980 :     The installer now honors the "src-smlnj" target again, although its meaning
1981 :     has changed from "all sources required for the compiler" to "all sources
1982 :     the installer knows about". In other words, if you enable "src-smlnj"
1983 :     in the "targets" file, then the installer will pull in sources for
1984 :     everything. (Notice that this refers to source code only. Compiled
1985 :     code is still only installed for modules that were requested explicitly
1986 :     or which are required for other modules that were requested explicitly.)
1987 :    
1988 :     ----------------------------------------------------------------------
1989 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
1990 : mblume 1482 Date: 2004/04/23 17:40:00 CDT
1991 :     Tag: blume-20040423-ieee-scan
1992 :     Description:
1993 :    
1994 :     Fixed IEEEReal.scan (and .fromString) so that if there is an overflow
1995 :     in the exponent calculation we get INF or ZERO (depending on the mantissa
1996 :     and the sign of the exponent).
1997 :    
1998 :     ----------------------------------------------------------------------
1999 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2000 : mblume 1480 Date: 2004/04/23 10:40:00 CDT
2001 :     Tag: blume-20040423-ml-build
2002 :     Description:
2003 :    
2004 :     The ml-build script now terminates with a non-0 status when something
2005 :     goes wrong.
2006 :    
2007 :     ----------------------------------------------------------------------
2008 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2009 : mblume 1479 Date: 2004/04/22 16:35:00 CDT
2010 :     Tag: blume-20040422-Option
2011 :     Description:
2012 :    
2013 :     Made exception Option to be the same as exception Option.Option
2014 :     (as it should be).
2015 :    
2016 :     ----------------------------------------------------------------------
2017 : allenleung 1468 Name: Allen Leung (leunga (at) reservoir (dot) com)
2018 :     Date: 2004/03/19 14:40:00 EST
2019 :     Tag: leunga-20040319-cygwin-nlffi
2020 :     Description:
2021 :    
2022 :     Fixed the runtime so that ml-nlffi-lib runs on the cygwin version
2023 :     of SML/NJ. The problem is that
2024 :    
2025 :     lib = dlopen(NULL, ...)
2026 :     f = dlsym(lib, "malloc");
2027 :    
2028 : blume 2155 does not work on Windows unless we explicitly export symbols
2029 :     such as 'malloc' during linking. We fixed this by explicitly
2030 : allenleung 1468 exporting the required symbols with the magic gcc incantation:
2031 :    
2032 :     -Wl,--export-all cygwin.def
2033 :    
2034 :     where cygwin.def is a file containing all the symbols that
2035 : blume 2155 we wish to export.
2036 : allenleung 1468
2037 : blume 2155 I suspect this is a Windows problem and we'll have to
2038 :     do the same (somehow with windows compilers) when
2039 : allenleung 1468 we build the native win32 version with the system
2040 : blume 2155 calls LoadLibrary/GetProcAddress.
2041 : allenleung 1468
2042 :     ----------------------------------------------------------------------
2043 : mblume 1384 Name: Matthias Blume (blume (at) tti - c (dot) org)
2044 : mblume 1465 Date: 2004/03/04 16:35:00 CST
2045 :     Tag: blume-20040304-intinf-fmt
2046 :     Description:
2047 :    
2048 :     Fixed problem with IntInf.fmt (sign would show up on the right instead
2049 :     of on the left for BIN, OCT, and HEX).
2050 :    
2051 :     ----------------------------------------------------------------------
2052 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2053 : mblume 1464 Date: 2004/03/04 11:25:00 CST
2054 :     Tag: blume-20040304-symlinks
2055 :     Description:
2056 :    
2057 :     Fixed problem with installer script (unix only) where bin/ml-yacc and
2058 :     friends pointed (via symlinks) to absolute locations instead of just
2059 :     .run-sml. This was reported by Vesa A Norrman.
2060 :    
2061 :     ----------------------------------------------------------------------
2062 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2063 : mblume 1455 Date: 2004/02/13 14:50:00 CST
2064 :     Tag: Release_110_45
2065 :     Description:
2066 :    
2067 :     New working version (110.45). New bootfiles.
2068 :    
2069 :     ----------------------------------------------------------------------
2070 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2071 : mblume 1448 Date: 2004/01/26 15:15:15 CST
2072 :     Tag: blume-20040126-toplevel
2073 :     Description:
2074 :    
2075 :     Improved handling of exceptions at the interactive toplevel.
2076 :    
2077 :     ----------------------------------------------------------------------
2078 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2079 :     Date: 2004/01/26 11:25:00
2080 : mblume 1446 Tag: blume-20040126-app
2081 :     Description:
2082 :    
2083 :     Type of top-level "app" corrected.
2084 : mblume 1447 Added code for setting vp_limitPtrMask to Win32-specific runtime.
2085 : mblume 1446
2086 :     ----------------------------------------------------------------------
2087 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2088 : mblume 1427 Date: 2003/11/18 17:10 CST
2089 :     Tag: blume-20031118-basis-fiddle
2090 :     Description:
2091 :    
2092 :     - changed Timer interface to what might become the spec
2093 :     - POSIX_FLAGS -> BIT_FLAGS according to spec
2094 :     - some other minor discrepancies wrt. spec eliminated
2095 :    
2096 :     ----------------------------------------------------------------------
2097 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2098 : mblume 1414 Date: 2003/11/06 12:00:00 CST
2099 :     Tag: Release_110_44
2100 :     Description:
2101 :    
2102 :     New working version (110.44). New bootfiles.
2103 :    
2104 :     ----------------------------------------------------------------------
2105 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2106 : mblume 1411 Date: 2003/11/04 11:50:00 CST
2107 :     Tag: blume-20031104-move-libraries
2108 :     Description:
2109 :    
2110 :     Eliminated the "dont_move_libraries" directive in config/targets.
2111 :     (The mechanism was broken and could not be fixed easily. Moreover,
2112 :     there does not seem to be any reason not to move all libraries into
2113 :     lib during installation. I originally implemented this directive as a
2114 :     backward-compatibility feature when I first introduced the new CM.
2115 :     Now that things have been stable for a long time and going back to the
2116 :     old CM is not an option, there is no reason to keep it around.)
2117 :    
2118 :     ----------------------------------------------------------------------
2119 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2120 : mblume 1409 Date: 2003/11/03 16:00:00 CST
2121 :     Tag: blume-20031103-installdir
2122 :     Description:
2123 :    
2124 :     Made installer honor INSTALLDIR variable again. (Thanks to Chris
2125 :     Richards for pointing out the problem and providing the solution.)
2126 :    
2127 :     ----------------------------------------------------------------------
2128 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2129 : mblume 1400 Date: 2003/10/01 17:05:00 CDT
2130 :     Tag: blume-20031001-lal-mlrisc
2131 :     Description:
2132 :    
2133 :     MLRISC bug fix from Lal.
2134 :    
2135 :     ----------------------------------------------------------------------
2136 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2137 : mblume 1399 Date: 2003/09/30 16:10:00 CDT
2138 :     Tag: blume-20030930-primio-bat
2139 : mblume 1398 Description:
2140 :    
2141 :     1. Added openVector, nullRd, and nullWr to PRIM_IO.
2142 :     2. Improved .bat files (for Win32 port) to make things work under Win95.
2143 :     (thanks to Aaron S. Hawley for this one)
2144 :    
2145 :     ----------------------------------------------------------------------
2146 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2147 : mblume 1395 Date: 2003/09/26 16:05:00 CDT
2148 :     Tag: blume-20030926-wrappriv
2149 :     Description:
2150 :    
2151 :     Added missing wrapper for privilege "primitive" in $smlnj/viscomp/core.cm.
2152 :    
2153 :     ----------------------------------------------------------------------
2154 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2155 : mblume 1394 Date: 2003/09/26 15:00:00 CDT
2156 :     Tag: blume-20030926-110_43_3
2157 :     Description:
2158 :    
2159 :     - additional cleanup
2160 :     - version number bump, NEW BOOTFILES
2161 :    
2162 :     ----------------------------------------------------------------------
2163 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2164 : mblume 1393 Date: 2003/09/26 12:00:00 CDT
2165 :     Tag: blume-20030926-ppautoload
2166 :     Description:
2167 :    
2168 :     I modified the read-eval-print loop so that the autoloader gets
2169 :     invoked whenever the prettyprinter tries to look up a symbol that
2170 :     is not currently defined in the toplevel environment but which
2171 :     appears in CM's autoload registry. As a result, we see far fewer of
2172 :     those ?.Foo.Bar.xxx names in the prettyprinter's output.
2173 :    
2174 :     In addition to this I tried to clean up some pieces of the Basis
2175 :     implementation (e.g., Socket, Word8Array) in order to prevent other
2176 :     instances of these ?.Foo.Bar.xxx names from being printed.
2177 :    
2178 :     The mechanism that picks names for types still needs some work, though.
2179 :     (Right now it seems that if there is a type A.t which is defined to
2180 : mblume 1394 be B.u, but B is unavailable at toplevel, then A.t gets printed as
2181 :     "?.B.u" although the perhaps more sensible solution would be to use
2182 : mblume 1393 "A.t" in this case. In other words, the prettyprinter should follow
2183 :     a chain of DEFtycs not farther than there are corresponding toplevel
2184 :     names in the current environment.)
2185 :    
2186 :     ----------------------------------------------------------------------
2187 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2188 : mblume 1391 Date: 2003/09/24 16:31:00 CDT
2189 :     Tag: blume-20030924-installer
2190 :     Description:
2191 :    
2192 :     Another installer tweak: All the ML code for the installer is now
2193 :     compiled during CMB.make and put into a little library called
2194 :     $smlnj/installer.cm. The installation then simply invokes
2195 :    
2196 :     sml -m $smlnj/installer.cm
2197 :    
2198 :     and everything happens automagically.
2199 :    
2200 :     Win32: ML code senses value of environment variable SMLNJ_HOME.
2201 :     Unix: ML code senses values of environment variables ROOT, CONFIGDIR,
2202 :     and BINDIR.
2203 :    
2204 :     The new scheme guarantees that the ML code responsible for the installation
2205 :     is in sync with the APIs of the main system. Also, the installer is
2206 :     somewhat faster because the installer script is precompiled.
2207 :    
2208 :     ----------------------------------------------------------------------
2209 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2210 : mblume 1390 Date: 2003/09/24 15:35:00 CDT
2211 :     Tag: blume-20030924-synsock
2212 :     Description:
2213 :    
2214 :     Added a signature SYNCHRONOUS_SOCKET to basis.cm. This is like SOCKET
2215 :     but excludes all non-blocking operations. Defined SOCKET (in Basis)
2216 :     and CML_SOCKET in terms of SYNCHRONOUS_SOCKET. Removed superfluous
2217 :     implementations of non-blocking operations from CML's Socket
2218 :     structure.
2219 :    
2220 :     ----------------------------------------------------------------------
2221 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2222 : mblume 1389 Date: 2003/09/24 15:10:05 CDT
2223 :     Tag: blume-20030924-sockets
2224 :     Description:
2225 :    
2226 :     1. Fixed SOCKET API and implementation to match Basis spec.
2227 :     This required changing the internal representation of sockets to one
2228 :     that remembers (for each socket file descriptor) whether it is currently
2229 :     blocking or non-blocking. This state is maintained lazily (i.e., a system
2230 :     call is made only if the state actually needs to change).
2231 :    
2232 :     2. OS-specific details of sockets were moved into separate files, thus
2233 :     making it possible to unify the bulk of the socket implementations
2234 :     between Unix and Win32.
2235 :    
2236 :     3. CML's socket API changed accordingly.
2237 :     (Note that we need to remove non-blocking functions from this API
2238 :     since they are redundant in the case of CML!)
2239 :    
2240 :     4. CML's socket implementation now makes use of non-blocking functions
2241 :     provided by Basis, thus removing all OS-dependent code from this part
2242 :     of CML.
2243 :    
2244 :     5. Changed Real64.precision from 52 to 53. Minor cleanup in Real64 code.
2245 :    
2246 :     ----------------------------------------------------------------------
2247 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2248 : mblume 1387 Date: 2003/09/22 12:10:00 CDT
2249 : mblume 1388 Tag: blume-20030922-110_43_2
2250 : mblume 1387 Description:
2251 :    
2252 :     Made a new interim version and bootfiles for developer's bootstrapping
2253 :     convenience.
2254 :    
2255 :     110.43.2 -- NEW BOOTFILES
2256 :    
2257 :     ----------------------------------------------------------------------
2258 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2259 : mblume 1385 Date: 2003/09/19 15:55:00 CDT
2260 :     Tag: blume-20030919-cmdir
2261 :     Description:
2262 :    
2263 :     1. new-install.sh -> install.sh
2264 :     2. changed default CM "metadata" directory name to ".cm" (instead of "CM")
2265 :     3. tweaked installer so that another name instead of .cm can be chosen
2266 :     at install time (by setting the CM_DIR_ARC environment variable
2267 :     during installation); once installation is complete, the name is
2268 :     fixed
2269 :    
2270 :     ----------------------------------------------------------------------
2271 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2272 : mblume 1384 Date: 2003/09/18 16:00:00 CDT
2273 :     Tag: blume-20030918-110_43_1
2274 :     Description:
2275 :    
2276 :     Made a new interim version and bootfiles for developer's bootstrapping
2277 :     convenience.
2278 :    
2279 :     110.43.1 -- NEW BOOTFILES
2280 :    
2281 :     ----------------------------------------------------------------------
2282 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2283 : mblume 1383 Date: 2003/09/18 15:20:00 CDT
2284 :     Tag: blume-20030918-misc
2285 :     Description:
2286 :    
2287 :     1. Exported fractionsPerSecond etc. from TimeImp (but not from Time as
2288 :     this seems to be controversial at the moment) and used those in
2289 :     Posix.ProcEnv.times.
2290 :    
2291 :     2. Added Time.{from,to}Nanoseconds to Time.
2292 :    
2293 :     3. Improved Real.{from,to}LargeInt by avoiding needless calculations.
2294 :     For example, fromLargeInt never needs to look at more than 3 "big
2295 :     digits" to get its 53 bits of precision.
2296 :    
2297 :     ----------------------------------------------------------------------
2298 : mblume 1384 Name: Matthias Blume (blume (at) tti - c (dot) org)
2299 : mblume 1381 Date: 2003/09/17 16:30:00 CDT
2300 :     Tag: blume-20030917-real32-slices
2301 :     Description:
2302 :    
2303 :     Added an entry to the primitive environment
2304 :     (compiler/Semant/statenv/prim.sml) for int32->real64 conversion and
2305 :     added code to compiler/CodeGen/main/mlriscGen.sml to implement it.
2306 :    
2307 :     Removed some of the "magic" constants in real64.sml and replaced them
2308 :     with code that generates these values from their corresponding
2309 :     integer counterparts.
2310 :    
2311 :     Made all(?) the slice-related changes to the Basis and made everything
2312 :     compile again...
2313 :    
2314 :     ----------------------------------------------------------------------
2315 : mblume 1368 Name: Matthias Blume (blume (at) tti - c (dot) org)
2316 : mblume 1375 Date: 2003/09/15 17:45:00 CDT
2317 :     Tag: blume-20030915-rbase
2318 :     Description:
2319 :    
2320 :     Fixed bug in Real.fromLargeInt.
2321 :    
2322 :     ----------------------------------------------------------------------
2323 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2324 : mblume 1369 Date: 2003/09/13 18:11:00 CDT
2325 :     Tag: blume-20030913-libinstall
2326 :     Description:
2327 :    
2328 :     Minor bugfix in config/libinstall (set anchor with path to
2329 :     standalone tool after installing it, otherwise libraries that
2330 :     need ml-lex or ml-yacc won't compile the first time the installer
2331 :     runs).
2332 :    
2333 :     ----------------------------------------------------------------------
2334 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2335 : mblume 1368 Date: 2003/09/12 11:45:00 CDT
2336 :     Tag: blume-20030912-various
2337 :     Description:
2338 :    
2339 :     - fixed bug in Real.toLargeInt
2340 :     - fixed bug in Posix.ProcEnv.times
2341 :     - changed inputLine functions to return an option
2342 :     - minor installer improvements / bugfixes
2343 :     - changed default @SMLalloc parameter for x86/celeron to 64k
2344 :    
2345 :     ----------------------------------------------------------------------
2346 :     Name: Matthias Blume (blume (at) tti - c (dot) org)
2347 : mblume 1356 Date: 2003/09/09 22:00:00 CDT
2348 :     Tag: Release_110_43
2349 :     Description:
2350 :    
2351 :     New working release 110.43. New bootfiles.
2352 :    
2353 :     ----------------------------------------------------------------------
2354 : mblume 1368 Name: Matthias Blume (blume (at) tti - c (dot) org)
2355 : mblume 1354 Date: 2003/09/09 19:20:00 CDT
2356 :     Tag: blume-20030909-installer
2357 :     Description:
2358 :    
2359 :     Rewrote large parts of config/install.sh in SML (config/libinstall.sml).
2360 :     Modified config/install.bat to take advantage of it. Also modified
2361 :     config/install.sh (and called it config/new-install.sh) to take advantage
2362 :     of it on Unix systems. (The SML code is (supposed to be) platform-
2363 :     independent.)
2364 :    
2365 :     The installer can now install everything under Win32
2366 :     as well as under *nix as long as it compiles.
2367 :    
2368 :     Other changes:
2369 :    
2370 :     - made CML compile again under Win32
2371 :     - made eXene compile under Win32 (by providing a fake structure UnixSock
2372 :     and by using OS.Process.getEnv instead of Posix.ProcEnv.getenv)
2373 :     - fixed a bug in nowhere: it assumed that type OS.Process.status is the
2374 :     same as type int; under Win32 it isn't
2375 :     - fixed some slice-related problems in the win32-specific parts of CML
2376 :     - added a functor argument "sameVol" to os-path-fn.sml in the Basis
2377 :     (under Win32, the volume name is case-insensitive, and the
2378 :     OS.Path code compares volume names for equality)
2379 :    
2380 :     ----------------------------------------------------------------------
2381 : mblume 1368 Name: Matthias Blume (blume (at) tti - c (dot) org)
2382 : mblume 1353 Date: 2003/09/08 11:55:00 CDT
2383 :     Tag: blume-20030908-fullpath
2384 :     Description:
2385 :    
2386 :     Made Win32 version of OS.FileSys.fullPath return current directory
2387 :     when given an empty string. This is what the spec says, and incidentally,
2388 :     CM depends on it. (CM otherwise goes into an infinite loop in certain
2389 :     cases when presented with the name of a non-existing .cm file.)
2390 :    
2391 :     ----------------------------------------------------------------------
2392 : mblume 1368 Name: Matthias Blume (blume (at) tti - c (dot) org)
2393 : mblume 1350 Date: 2003/09/04 16:30:00 CDT
2394 : mblume 1352 Tag: blume-20030905-slices-etc
2395 : mblume 1350 Description:
2396 :    
2397 :     1. Changed interface to vectors and arrays in Basis to match
2398 :     (draft) Basis spec.
2399 :     2. Added signatures and implementations of slices according to
2400 :     Basis spec.
2401 :     3. Edited source code throughout the system to make it compile again
2402 :     under 1. and 2. (In some cases code had to be added to have it
2403 :     match the new signatures.)
2404 :     4. MLRISC should be backward-compatible: the copies of the originals
2405 :     of files that needed to change under 3. were retained, the .cm files
2406 :     check the compiler version number and use old versions when
2407 :     appropriate.
2408 :     5. Changed type of OS.FileSys.readDir and Posix.FileSys.readdir to
2409 :     dirstream -> string option (in accordance with Basis spec).
2410 :     6. When generating code that counts lines, ml-lex used function
2411 :     CharVector.foldli, taking advantage of its old interface.
2412 :     This has been replaced with the corresponding code from
2413 :     CharVectorSlice. (html-lex must be re-lexed!)
2414 :     7. BitArray in smlnj-lib/Util has been extended/modified to match the
2415 :     new MONO_ARRAY signature. (Do we need BitArraySlice?)
2416 :     8. Removed temporary additions (fromInternal, toInternal) from the
2417 :     (now obsolete) IntInf in smlnj-lib/Util.
2418 :     9. Cleaned up structure Byte.
2419 :     10. Added localOffset, scan, and fromString to Date (according to spec).
2420 :     Cleaned/corrected implementation of Date.
2421 :     (Still need to check for correctness; implement better canonicalizeDate.)
2422 :     11. Added "scan" to signature IEEE_REAL.
2423 :     12. Some improvements to IntInf [in particular: efficiency-hack for
2424 :     mod and rem when second operand is 2 (for parity checks).]
2425 :     13. Changed representation of type Time.time, using a single IntInf.int
2426 :     value counting microseconds. This considerably simplified the
2427 :     implementation of structure Time. We now support negative time
2428 :     values; scan and fromString handle signs.
2429 :     14. Functor PrimIO now takes two additional arguments (VectorSlice and
2430 :     ArraySlice).
2431 :    
2432 :     ----------------------------------------------------------------------
2433 : mblume 1368 Name: Matthias Blume (blume (at) tti - c (dot) org)
2434 : mblume 1347 Date: 2003/08/28 17:00:00 CDT
2435 :     Tag: blume-20030828-intinf
2436 :     Description:
2437 :    
2438 :     This is a major update which comes with a version number bump
2439 :     (110.42.99 -- yes, we are really close to 110.43 :-), NEW BOOTFILES,
2440 :     and an implementation of IntInf in the Basis.
2441 :    
2442 :     There are a fairly large number of related changes and updates throughout
2443 :     the system:
2444 :    
2445 :     Basis:
2446 :     - Implemented IntInf.
2447 :     - Made LargeInt a projection of IntInf (by filtering through INTEGER).
2448 : mblume 1348 - Added some missing Real64 operations, most notably Real.toLargeInt.
2449 : mblume 1347 - Added FixedInt as a synonym for Int32.
2450 :    
2451 :     compiler:
2452 :     * Added support for a built-in intinf type.
2453 :     - literals
2454 :     - pattern matching
2455 :     - conversion shortcuts (Int32.fromLarge o Int.toLarge etc.)
2456 :     - overloading on literals and operations
2457 :    
2458 :     This required adding a primitive type intinf, some additional
2459 :     primops, and implementations for several non-trivial intinf
2460 :     operations in Core. (The intinf type is completely abstract
2461 :     to the compiler; all operations get delegated back to the Core.)
2462 :    
2463 :     * Intinf equality is handled by polyequal. However, the compiler
2464 :     does not print its usual warning in this case (since polyequal
2465 :     is the right thing to do there).
2466 :    
2467 :     * Improved the organization of structure InlineT.
2468 :    
2469 :     * A word about conversion primops:
2470 :     If conversions involving intinf do not cancel out during
2471 : mblume 1348 CPS contract, then the compiler must insert calls to Core functions.
2472 : mblume 1347 Since all core access must be resolved already during the FLINT
2473 :     translate phase, it would be too late a the time of CPS contract
2474 : mblume 1348 to add new Core calls. For this reason, conversion primops
2475 : mblume 1347 for intinf carry two arguments: 1. the numeric argument that
2476 :     they are supposed to convert, and 2. the Core function that
2477 :     can help with this conversion if necessary. If CPS contract
2478 : mblume 1348 eliminates a primop, then the associated Core function becomes
2479 :     dead and goes away. Intinf conversion primops that do not get
2480 :     eliminated by CPS contract get rewritten into calls of their
2481 :     core functions by a separate, new phase.
2482 : mblume 1347
2483 :     interactive system:
2484 :     - Control.Print.intinfDepth controls max length of intinf constants
2485 :     being printed. (Analogous to Control.Print.stringDepth.)
2486 :     - Cleanup in printutil and pputil: got rid of unused stuff and
2487 :     duplicates; replaced some of the code with code that makes better
2488 :     use of library functionality.
2489 :    
2490 :     CM:
2491 :     Bugfix: parse-errors in init group (system/smlnj/init/init.cmi)
2492 :     are no longer silent.
2493 :    
2494 :     CKIT:
2495 :     Fixed mismatched uses of Int32 and LargeInt. I always decided
2496 :     in favor of LargeInt -- which is now the same as IntInf.
2497 :     CKIT-knowledgable people should check whether this is what's
2498 :     intended and otherwise change things back to using Int32 or
2499 :     FixedInt.
2500 :    
2501 :     Throughout the code:
2502 : mblume 1348 Started using IntInf.int literals and built-in operations
2503 : mblume 1347 (e.g., comparison with 0) where this seems appropriate.
2504 :    
2505 :    
2506 :     ----------------------------------------------------------------------
2507 : macqueen 1343 Name: Dave MacQueen (dbm@cs.uchicago.edu)
2508 :     Date: 2003/08/13 11:36:00 CDT
2509 :     Tag: dbm-20030813-mcz-merge1
2510 :     Description:
2511 :    
2512 :     Merging changes from the mcz-branch development branch into trunk.
2513 :     These changes involve replacement of the emulated old prettyprinter
2514 :     interface with direct use of the SML/NJ Lib PP library, and fixing
2515 :     of a couple of bugs (895, 1186) relating to error messages. A new
2516 :     prettyprinter for ast datatypes (Elaborator/print/ppast.{sig,sml})
2517 :     has been added.
2518 :    
2519 :     ----------------------------------------------------------------------
2520 : mblume 1368 Name: Matthias Blume (blume (at) tti - c (dot) org)
2521 : mblume 1342 Date: 2003/08/11 15:45:00 CDT
2522 :     Tag: blume-20030811-windows
2523 :     Description:
2524 :    
2525 :     Version number bumped to 110.42.9. NEW BOOTFILES!!!
2526 :    
2527 :     http://smlnj.cs.uchicago.edu/dist/working/110.42.9/
2528 :    
2529 :     This patch restores SML/NJ's ability to run under win32. There are a
2530 :     number of changes, including fixes for several bugs that had gone
2531 :     unnoticed until now:
2532 :    
2533 :     - uname "CYGWIN_NT*" is recognized as win32 (This is relevant only when
2534 :     trying to run the win32 version from within cygwin.)
2535 :    
2536 :     - There are a number of simple .bat scripts that substitute for their
2537 :     corresponding Unix shell-scripts. (See below.)
2538 :    
2539 :     - The internals of ml-build have been modified slightly. The main
2540 :     difference is that instead of calling ".link-sml" (or link-sml.bat)
2541 :     using OS.Process.system, the ML process delegates this task back
2542 :     to the script. Otherwise problems arise in mixed environments such
2543 :     as Cygwin where scripts look and work like Unix scripts, but
2544 :     where OS.Process.system cannot run them.
2545 :    
2546 :     - In CM, the srcpath pickler used native pathname syntax -- which
2547 :     is incorrect in the case of cross-compilation. The new pickle format
2548 :     is independent of platform-specific naming conventions.
2549 :    
2550 :     - Path configuration files (such as lib/pathconfig) can now choose
2551 :     between native and standard syntax. Placing a line of the form
2552 :    
2553 :     standard!
2554 :    
2555 :     into the file causes all subsequent paths to be interpreted using
2556 :     CM standard pathname syntax (= Unix conventions); a line
2557 :    
2558 :     native!
2559 :    
2560 :     switches back to native style. This was needed so that
2561 :     path config files can be written portably, see src/system/pathconfig.
2562 :    
2563 :     - Runtime system:
2564 :    
2565 :     - win32-filesys.c: get_file_time and set_file_time now
2566 :     access modification time, not creation time.
2567 :    
2568 :     - I/O code made aware of new array representation.
2569 :    
2570 :     - Bug fixes in X86.prim.masm.
2571 :    
2572 :     - src/system/makeml made aware of win32. (For use under cygwin
2573 :     and other Unix-environments for windows.)
2574 :    
2575 :     - In Basis, fixed off-by-one error in win32-io.sml (function vecF)
2576 :     which caused BinIO.inputAll to fail consistently.
2577 :    
2578 :     .bat scripts:
2579 :    
2580 :     Windows .bat scripts assume that SMLNJ_HOME is defined.
2581 :    
2582 :     - sml.bat, ml-yacc.bat, ml-lex.bat: Driver scripts for standalone
2583 :     applications (sml, ml-yacc, ml-lex).
2584 :     - ml-build.bat: analogous to ml-build.
2585 :     - config\install.bat: Analogous to config/install.sh. This requires
2586 :     that SMLNJ_HOME is set and that Microsoft Visual C is ready to use.
2587 :     (nmake etc. must be on the path, and vcvars32 must have been run.)
2588 :     Moreover, sources for ml-lex and ml-yacc need to exist under src,
2589 :     and the bootfile hierarchy must have been unpacked under
2590 :     sml.boot.x86-win32.
2591 :     The script is very primitive and does a poor job at error checking.
2592 :     It only installs the base system, ml-lex, and ml-yacc. No other
2593 :     libraries are being installed (i.e., you get only those that
2594 :     are part of the compiler.)
2595 :     - link-sml.bat: analogous to .link-sml, but not currently used
2596 :    
2597 :     Unrelated bug fixes:
2598 :    
2599 :     - ml-nlffigen now exports structures ST_* corresponding to incomplete
2600 :     types.
2601 :     - Added getDevice to PP/src/pp-debug-fn.sml. (Would not compile
2602 :     otherwise.)
2603 :    
2604 :     ----------------------------------------------------------------------
2605 : macqueen 1337 Name: Dave MacQueen (macqueen@cs.uchicago.edu)
2606 :     Date: 2003/06/17
2607 :     Tag: macqueen-20030617-bug895
2608 :     Description:
2609 :    
2610 :     Modified compiler/Elaborator/print/pptype.sml to fix bug 895.
2611 :     Tag will be used for new development branch (mcz-branch) for
2612 :     use by MacQueen, (Lucasz) Zairek, and (George) Cao at uchicago.
2613 :    
2614 :     ----------------------------------------------------------------------
2615 : mblume 1368 Name: Matthias Blume (blume (at) tti - c (dot) org)
2616 : mblume 1335 Date: 2003/05/27 16:55:00 CDT
2617 :     Tag: blume-20030527-polyeq
2618 :     Description:
2619 :    
2620 :     Tried to eliminated most cases of polymorphic equality.
2621 :    
2622 :     ----------------------------------------------------------------------
2623 : mblume 1368 Name: Matthias Blume (blume (at) tti - c (dot) org)
2624 : mblume 1334 Date: 2003/05/21 17:45:00 CDT
2625 :     Tag: blume-20030517-complete
2626 :     Description:
2627 :    
2628 :     Two changes:
2629 :    
2630 :     1. Added a flag for controlling whether non-exhaustive bindings will
2631 :     be treated as errors (default is false).
2632 :     2. Cleaned up the *entire* source tree so that CMB.make goes through
2633 :     without a single non-exhaustive match- or bind warning.
2634 :    
2635 :     ----------------------------------------------------------------------
2636 : mblume 1368 Name: Matthias Blume (blume (at) tti - c (dot) org)
2637 : mblume 1332 Date: 2003/05/17 10:20:00 CDT
2638 :     Tag: blume-20030517-absyn
2639 :     Description:
2640 :    
2641 :     1. Added cases for IF, WHILE, ANDALSO, and ORELSE to Absyn.
2642 :    
2643 :     This mainly affects the quality of error messages. However, some
2644 :     of the code is now more straightforward than before. (Treatment of
2645 :     the above four constructs in translate.sml is much simpler than
2646 :     the "macro-expansion" that was going on before. Plus, the mach-
2647 :     compiler no longer gets invoked just to be able to compile an
2648 :     if-expression.)
2649 :    
2650 :     2. The ErrorMsg.Error exception is now caught and absorbed by the
2651 :     interactive loop.
2652 :    
2653 :     ----------------------------------------------------------------------
2654 : allenleung 1327 Name: Allen Leung
2655 :     Date: 2003/05/16 13:05:00 CDT
2656 :     Tag: leunga-20030516-cygwin-runtime
2657 :     Description:
2658 :    
2659 : blume 2155 Ported the runtime system to cygwin, which uses the unix
2660 : allenleung 1327 x86-unix bin files. Missing/buggy features:
2661 :    
2662 : blume 2155 o getnetbyname, getnetbyaddr: these functions seem to be missing in
2663 : allenleung 1327 the Cygwin library.
2664 :     o Ctrl-C handling may be flaky.
2665 :     o Windows system calls and Windows I/O are not supported.
2666 :    
2667 :     A new set of binfiles is located at:
2668 :    
2669 :     http://www.dorsai.org/~leunga/boot.x86-unix.tgz
2670 :    
2671 :     This is only needed for bootstrapping the cygwin version of smlnj.
2672 :     Other x86 versions can use the existing binfiles.
2673 :    
2674 :     ----------------------------------------------------------------------
2675 : mblume 1317 Name: Matthias Blume
2676 :     Date: 2003/04/08 15:42:00 CDT
2677 :     Tag: blume-20030408-listpair
2678 :     Description:
2679 :    
2680 :     1. Added a target 'mlrisc' to installer.
2681 :    
2682 :     2. Added missing elements to structure ListPair.
2683 :    
2684 :     ----------------------------------------------------------------------
2685 : leunga 1296 Name: Allen Leung
2686 :     Date: 2003/01/07 10:40:00 EST
2687 :     Tag: leunga-20030107-int-rem
2688 :     Description:
2689 :    
2690 :     Fixed a bug in Int.rem(x,y) where y is a power of 2 on x86.
2691 :     The arguments to the SUBL instruction were swapped.
2692 :    
2693 :     ----------------------------------------------------------------------
2694 : blume 1229 Name: Matthias Blume
2695 : blume 1294 Date: 2002/12/12 16:25:00 EST
2696 :     Tag: blume-20021212-risc-ra
2697 :     Description:
2698 :    
2699 :     Fixed a serious bug in the rewrite code for FP spilling/reloading that
2700 :     sent the RA into an infinite loop when floating point registers get
2701 :     spilled. (Because of this bug, e.g., nucleic stopped compiling between
2702 :     110.37 and 110.38.)
2703 :     There was another set of potential problems related to the handling of
2704 :     MLRISC annotations (but those did not yet cause real problems, apparently).
2705 :    
2706 :     ----------------------------------------------------------------------
2707 :     Name: Matthias Blume
2708 : blume 1291 Date: 2002/12/06 22:40:00 EST
2709 :     Tag: blume-20021206-cm-fileid
2710 :     Description:
2711 :    
2712 :     Added a call of SrcPath.sync at the beginning of Parse.parse (in CM).
2713 :     This fixes the problem of CM getting confused by files that suddenly
2714 :     change their identity (e.g., by getting unlinked and recreated by some
2715 :     text editor such as vi). There might be a better/cheaper/cleaner way
2716 :     of doing this, but for now this will have to do.
2717 :    
2718 :     ----------------------------------------------------------------------
2719 :     Name: Matthias Blume
2720 : blume 1288 Date: 2002/10/28 09:50:00 EST
2721 : blume 2155 Tag: blume-20021028-typecheck
2722 : blume 1288 Description:
2723 :    
2724 :     Exported structure Typecheck from $smlnj/viscomp/core.cm.
2725 :    
2726 :     ----------------------------------------------------------------------
2727 :     Name: Matthias Blume
2728 : blume 1282 Date: 2002/10/17 09:10:00 EDT
2729 : blume 1279 Tag: Release_110_42
2730 :     Description:
2731 :    
2732 : blume 1282 In good old tradition, there has been a slight hiccup so that we have
2733 :     to patch 110.42 after the fact. The old release tag has been replaced
2734 :     (see below).
2735 :    
2736 :     The change solves a problem with two competing approaches the
2737 :     configuration problem regarding MacOS 10.1 vs. MacOS 10.2 which got in
2738 :     each other's way.
2739 :    
2740 :     This change only affects the runtime system code and the installer script.
2741 :     (No new bootfiles.)
2742 :    
2743 :     ----------------------------------------------------------------------
2744 :     Name: Matthias Blume
2745 :     Date: 2002/10/16 12:00:00 EDT
2746 :     Tag: Release_110_42_removed
2747 :     Description:
2748 :    
2749 : blume 1279 New working release. New bootfiles.
2750 :    
2751 :     ----------------------------------------------------------------------
2752 :     Name: Matthias Blume
2753 : blume 1273 Date: 2002/10/10 13:10:00 EDT
2754 :     Tag: blume-20021010-ppc-divs
2755 :     Description:
2756 :    
2757 :     The mltree operator DIVS must be implemented with an overflow check on
2758 :     the PPC because the hardware indicates divide-by-zero using "overflow" as
2759 :     well.
2760 :    
2761 :     ----------------------------------------------------------------------
2762 :     Name: Matthias Blume
2763 : blume 1261 Date: 2002/07/23 11:45:00
2764 :     Tag: blume-20020723-smlnj-home
2765 :     Description:
2766 :    
2767 :     Sml now senses the SMLNJ_HOME environment variable. If this is set,
2768 :     then the bin dir is assumed to be in $SMLNJ_HOME/bin and (unless
2769 :     CM_PATHCONFIG is also set), the path configuration file is assumed
2770 :     to be in $SMLNJ_HOME/lib/pathconfig. This way one can easily move
2771 :     the entire tree to some other place and everything will "just work".
2772 :    
2773 :     (Companion commands such as ml-build and ml-makedepend also sense this
2774 :     variable.)
2775 :    
2776 :     ----------------------------------------------------------------------
2777 :     Name: Matthias Blume
2778 : blume 1259 Date: 2002/07/12 21:19:00 EDT
2779 :     Tag: blume-20020712-liveness
2780 :     Description:
2781 :    
2782 :     Exported two useful "step" functions from liveness module (MLRISC).
2783 :    
2784 :     ----------------------------------------------------------------------
2785 :     Name: Matthias Blume
2786 : blume 1253 Date: 2002/07/05 16:00 EDT
2787 :     Tag: Release_110_41
2788 :     Description:
2789 :    
2790 :     New working release. New bootfiles.
2791 :    
2792 :     ----------------------------------------------------------------------
2793 :     Name: Matthias Blume
2794 : blume 1250 Date: 2002/07/05 10:25:00 EDT
2795 :     Tag: blume-20020705-btimp
2796 :     Description:
2797 :    
2798 :     Exported structure BTImp from $smlnj/viscomp/debugprof.cm so that
2799 :     other clients can set up backtracing support.
2800 :    
2801 :     ----------------------------------------------------------------------
2802 :     Name: Matthias Blume
2803 : blume 1249 Date: 2002/06/25 17:23:00 EDT
2804 :     Tag: blume-20020625-fpmax
2805 :     Description:
2806 :    
2807 :     Fixed a bug in translation of INLMAX (and INLMIN) for the floating-point
2808 :     case. (The sense of the isNaN test was reversed -- which made min and
2809 :     max always return their first argument.)
2810 :    
2811 :     ----------------------------------------------------------------------
2812 :     Name: Matthias Blume
2813 : blume 1240 Date: 2002/06/11
2814 :     Tag: blume-20020611-unixpath
2815 :     Description:
2816 :    
2817 :     Back-ported OS.Path.{from,to}UnixPath from idlbasis-devel branch.
2818 :    
2819 :     ----------------------------------------------------------------------
2820 :     Name: Matthias Blume
2821 : blume 1238 Date: 2002/06/10 16:35:00 EDT
2822 :     Tag: blume-20020610-ieeereal
2823 :     Description:
2824 :    
2825 :     I back-ported my implementation of IEEEReal.fromString from the
2826 :     idlbasis-devel branch so that we can test it.
2827 :    
2828 :     Another small change is that ppDec tries to give more information
2829 :     than just "<sig>" in the case of functors. However, this code is
2830 :     broken in some mysterious way if the functor's body's signature
2831 :     has not been declared by ascription but gets inferred from the
2832 :     implementation. This needs fixing...
2833 :    
2834 :     ----------------------------------------------------------------------
2835 :     Name: Matthias Blume
2836 : blume 1229 Date: 2002/05/31
2837 :     Tag: blume-20020531-btrace-mode
2838 :     Description:
2839 :    
2840 :     Resurrected SMLofNJ.Internals.BTrace.mode. (It accidentally fell by
2841 :     the wayside when I switched over to using Controls everywhere.)
2842 :    
2843 :     ----------------------------------------------------------------------
2844 : george 1222 Name: Lal George
2845 :     Date: 2002/05/23 12:21:40 EDT
2846 :     Tag: george-20020523-visual-labels
2847 :     Description:
2848 :    
2849 :     Labels are now displayed in the graphical output to make
2850 :     the fall-through and target blocks obvious.
2851 :    
2852 :     ----------------------------------------------------------------------
2853 : blume 1204 Name: Matthias Blume
2854 : blume 1220 Date: 2002/05/22 11:03:00 EDT
2855 :     Tag: blume-20020522-shrink
2856 :     Description:
2857 :    
2858 :     John tweaked yesterday's fix for 1131 to handle an out-of-memory
2859 :     situation that comes up when allocating huge arrays.
2860 :    
2861 :     ----------------------------------------------------------------------
2862 :     Name: Matthias Blume
2863 : blume 1215 Date: 2002/05/21 16:00:00 EDT
2864 :     Tag: Release_110_40
2865 :     Description:
2866 :    
2867 :     New working release (110.40). New bootfiles.
2868 :    
2869 :     [Also: John Reppy fixed GC bug 1131.]
2870 :    
2871 :     ----------------------------------------------------------------------
2872 :     Name: Matthias Blume
2873 : blume 1212 Date: 2002/05/21 12:35:00 EDT
2874 :     Tag: blume-20020521-cmdoc
2875 :     Description:
2876 :    
2877 :     CM documentation update.
2878 :    
2879 :     ----------------------------------------------------------------------
2880 :     Name: Matthias Blume
2881 : blume 1211 Date: 2002/05/21 10:55:00 EDT
2882 :     Tag: blume-20020521-misc
2883 :     Description:
2884 :    
2885 :     - John tweaked runtime to be silent on heap export (except when
2886 :     GC messages are on).
2887 :     - I added a few more things (cross-compiling versions of CMB) to
2888 :     config/preloads (as suggestions).
2889 :    
2890 :     ----------------------------------------------------------------------
2891 :     Name: Matthias Blume
2892 : blume 1208 Date: 2002/05/20 22:25:00 EDT
2893 :     Tag: blume-20020520-controls
2894 :     Description:
2895 :    
2896 :     - Added ControlUtil structure to control-lib.cm.
2897 :     - Use it throughout.
2898 :     - Used Controls facility to define MLRISC controls (as opposed to
2899 :     registering MLRISC control ref cells with Controls after the fact)
2900 :     - Fixed messed-up controls priorities.
2901 :    
2902 :     * Removed again all the stuff from config/preloads that one wouldn't
2903 :     be able to preload at the time the initial heap image is built.
2904 :     (Many libraries, e.g., CML, do not exist yet at this time. The
2905 :     only libraries that can be preloaded via config/preloads are those
2906 :     that come bundled with the bootfiles.)
2907 :    
2908 :     ----------------------------------------------------------------------
2909 :     Name: Matthias Blume
2910 : blume 1204 Date: 2002/05/20 10:59:00 EDT
2911 :     Tag: blume-20020520-preloads
2912 :     Description:
2913 :    
2914 :     Added a lot of commented-out suggestions for things to be included
2915 :     in config/preloads.
2916 :    
2917 :     ----------------------------------------------------------------------
2918 : leunga 1203 Name: Allen Leung
2919 :     Date: 2002/05/18 14:20:00 EDT
2920 :     Tag: leunga-20020518-mdl
2921 :     Description:
2922 :    
2923 :     o Made the mdl tool stuff compile and run again.
2924 :     o I've disabled all the stuff that depends on RTL specifications; they
2925 :     are all badly broken anyway.
2926 :    
2927 :     ----------------------------------------------------------------------
2928 : blume 1201 Name: Matthias Blume
2929 :     Date: 2002/05/17 16:49:00 EDT
2930 :     Tag: blume-20020517-controls
2931 :     Description:
2932 :    
2933 :     0. John Reppy made several modifications to the SML/NJ library.
2934 :     In particular, there is a shiny new controls-lib.cm.
2935 :    
2936 :     1. Pushed new controls interface through compiler so that everything
2937 :     compiles again.
2938 :    
2939 :     2. Added FormatComb and FORMAT_COMB to the CML version of the
2940 :     SML/NJ library (so that CML compiles again).
2941 :    
2942 :     3. Modified init scripts because XXX_DEFAULT environment variables
2943 :     are no longer with us. (Boot-time initialization is now done
2944 :     using the same environment variables that are also used for
2945 :     startup-time initialization of controls.)
2946 :    
2947 :     ----------------------------------------------------------------------
2948 : george 1192 Name: Lal George
2949 :     Date: 2002/05/15 09:20:10 EDT
2950 :     Tag: george-20020515-pseudo-op-decls
2951 :     Description:
2952 :    
2953 :     All pseudo-ops emitted before the first segment declaration
2954 :     such as TEXT, DATA, and BSS directives are assumed to be global
2955 :     declarations and are emitted first in the assembly file. This is
2956 :     useful in a number of situations where one has pseudo-ops that are not
2957 :     specific to any segment, and also works around the constraint that one
2958 :     cannot have client pseudo-ops in the TEXT segment.
2959 :    
2960 :     Because no segment is associated with these declarations it is
2961 :     an error to allocate any space or objects before the first segment
2962 :     directive and an exception will be raised. However, we cannot make
2963 :     this check for client pseudo-ops.
2964 :    
2965 :     These top level declarations are a field in the CFG graph_info.
2966 :     In theory you can continue to add to this field after the CFG has been
2967 :     built -- provided you know what you are doing;-)
2968 :    
2969 :     ----------------------------------------------------------------------
2970 : blume 1175 Name: Matthias Blume
2971 : blume 1190 Date: 2002/05/13 16:40:00 EDT
2972 :     Tag: blume-20020513-pp-etc
2973 :     Description:
2974 :    
2975 :     A few minor bugfixes:
2976 :    
2977 :     - Stopgap measure for bug recently reported by Elsa Gunter (ppDec).
2978 :     (Bogus printouts for redefined bindings still occur. Compiler
2979 :     bug should no longer occur now. We need to redo the prettyprinter
2980 :     from scratch.)
2981 :    
2982 :     - CM pathname printer now also adds escape sequences for ( and )
2983 :    
2984 :     - commend and docu fixes for ml-nlffi
2985 :    
2986 :     ----------------------------------------------------------------------
2987 :     Name: Matthias Blume
2988 : blume 1189 Date: 2002/05/10 16:40:00 EDT
2989 :     Tag: blume-20020510-erg-textio
2990 :     Description:
2991 :    
2992 :     Applied the following bugfix provided by Emden Gansner:
2993 :    
2994 :     Output is corrupted when outputSubstr is used rather than output.
2995 :    
2996 : blume 2155 The problem occurs when a substring
2997 : blume 1189
2998 :     ss = (s, dataStart, dataLen)
2999 :    
3000 : blume 2155 where dataStart > 0, fills a stream buffer with avail bytes left.
3001 :     avail bytes of s, starting at index dataStart, are copied into the
3002 : blume 1189 buffer, the buffer is flushed, and then the remaining dataLen-avail
3003 : blume 2155 bytes of ss are copied into the beginning of the buffer. Instead of
3004 :     starting this copy at index dataStart+avail in s, the current code
3005 : blume 1189 starts the copy at index avail.
3006 :    
3007 :     Fix:
3008 :     In text-io-fn.sml, change line 695 from
3009 :     val needsFlush = copyVec(v, avail, dataLen-avail, buf, 0)
3010 : blume 2155 to
3011 : blume 1189 val needsFlush = copyVec(v, dataStart+avail, dataLen-avail, buf, 0)
3012 :    
3013 :     ----------------------------------------------------------------------
3014 :     Name: Matthias Blume
3015 : blume 1186 Date: 2002/04/12 13:55:00 EDT
3016 :     Tag: blume-20020412-assyntax
3017 :     Description:
3018 :    
3019 :     1. Grabbed newer assyntax.h from the XFree86 project.
3020 :     2. Fiddled with how to compile X86.prim.asm without warnings.
3021 :     3. (Very) Minor cleanup in CM.
3022 :    
3023 :     ----------------------------------------------------------------------
3024 :     Name: Matthias Blume
3025 : blume 1185 Date: 2002/04/01 (no joke!) 17:07:00 EST
3026 :     Tag: blume-20020401-x86div
3027 :     Description:
3028 :    
3029 :     Added full support for div/mod/rem/quot on the x86, using the machine
3030 :     instruction's two results (without clumsily recomputing the remainder)
3031 :     directly where appropriate.
3032 :    
3033 :     Some more extensive power-of-two support was added to the x86 instruction
3034 :     selector (avoiding expensive divs, mods, and muls where they can be
3035 :     replaced with cheaper shifts and masks). However, this sort of thing
3036 :     ought to be done earlier, e.g., within the CPS optimizer so that
3037 :     all architectures benefit from it.
3038 :    
3039 :     The compiler compiles to a fixed point, but changes might be somewhat
3040 :     fragile nevertheless. Please, report any strange things that you might
3041 :     see wrt. div/mod/quot/rem...
3042 :    
3043 :     ----------------------------------------------------------------------
3044 :     Name: Matthias Blume
3045 : blume 1184 Date: 2002/03/29 17:22:00
3046 :     Tag: blume-20020329-div
3047 :     Description:
3048 :    
3049 :     Fixed my broken div/mod logic. Unfortunately, this means that the
3050 :     inline code for div/mod now has one more comparison than before.
3051 :     Fast paths (quotient > 0 or remainder = 0) are not affected, though.
3052 :     The problem was with quotient = 0, because that alone does not tell
3053 :     us which way the rounding went. One then has to look at whether
3054 :     remainder and divisor have the same sign... :(
3055 :    
3056 :     Anyway, I replaced the bootfiles with fresh ones...
3057 :    
3058 :     ----------------------------------------------------------------------
3059 :     Name: Matthias Blume
3060 : blume 1183 Date: 2002/03/29 14:10:00 EST
3061 :     Tag: blume-20020329-inlprims
3062 :     Description:
3063 :    
3064 :     NEW BOOTFILES!!! Version number bumped to 110.39.3.
3065 :    
3066 :     Primops have changed. This means that the bin/boot-file formats have
3067 :     changed as well.
3068 :    
3069 :     To make sure that there is no confusion, I made a new version.
3070 :    
3071 :    
3072 :     CHANGES:
3073 :    
3074 :     * removed REMT from mltree (remainder should never overflow).
3075 :    
3076 :     * added primops to deal with divisions of all flavors to the frontend
3077 :    
3078 :     * handled these primops all the way through so they map to their respective
3079 :     MLRISC support
3080 :    
3081 :     * used these primops in the implementation of Int, Int32, Word, Word32
3082 :    
3083 :     * removed INLDIV, INLMOD, and INLREM as they are no longer necessary
3084 :    
3085 :     * parameterized INLMIN, INLMAX, and INLABS by a numkind
3086 :    
3087 :     * translate.sml now deals with all flavors of INL{MIN,MAX,ABS}, including
3088 :     floating point
3089 :    
3090 :     * used INL{MIN,MAX,ABS} in the implementation of Int, Int32, Word, Word32,
3091 :     and Real (but Real.abs maps to a separate floating-point-only primop)
3092 :    
3093 :    
3094 :     TODO items:
3095 :    
3096 :     * Hacked Alpha32 instruction selection, disabling the selection of REMx
3097 :     instructions because the machine instruction encoder cannot handle
3098 :     them. (Hppa, PPC, and Sparc instruction selection did not handle
3099 :     REM in the first place, and REM is supported by the x86 machine coder.)
3100 :    
3101 :     * Handle DIV and MOD with DIV_TO_NEGINF directly in the x86 instruction
3102 :     selection phase. (The two can be streamlined because the hardware
3103 :     delivers both quotient and remainder at the same time anyway.)
3104 :    
3105 :     * Think about what to do with "valOf(Int32.minInt) div ~1" and friends.
3106 :     (Currently the behavior is inconsistent both across architectures and
3107 :     wrt. the draft Basis spec.)
3108 :    
3109 :     * Word8 should eventually be handled natively, too.
3110 :    
3111 :     * There seems to be one serious bug in mltree-gen.sml. It appears, though,
3112 :     as if there currently is no execution path that could trigger it in
3113 :     SML/NJ. (The assumptions underlying functions arith and promotable do not
3114 :     hold for things like multiplication and division.)
3115 :    
3116 :     ----------------------------------------------------------------------
3117 :     Name: Matthias Blume
3118 : blume 1181 Date: 2002/03/27 16:27:00 EST
3119 :     Tag: blume-20020327-mlrisc-divisions
3120 :     Description:
3121 :    
3122 :     Added support for all four division operations (ML's div, mod, quot,
3123 :     and rem) to MLRISC. In the course of doing so, I also rationalized
3124 :     the naming (no more annoying switch-around of DIV and QUOT), by
3125 :     parameterizing the operation by div_rounding_mode (which can be either
3126 :     DIV_TO_ZERO or DIV_TO_NEGINF).
3127 :    
3128 :     The generic MLTreeGen functor takes care of compiling all four
3129 :     operations down to only round-to-zero div.
3130 :    
3131 :     Missing pieces:
3132 :    
3133 :     * Doing something smarter than relying on MLTreeGen on architectures
3134 :     like, e.g., the x86 where hardware division delivers both quotient and
3135 :     remainder at the same time. With this, the implementation of the
3136 :     round-to-neginf operations could be further streamlined.
3137 :    
3138 :     * Remove inlining support for div/mod/rem from the frontend and replace it
3139 :     with primops that get carried through to the backend. Do this for all
3140 :     int and word types.
3141 :    
3142 :     ----------------------------------------------------------------------
3143 :     Name: Matthias Blume
3144 : blume 1180 Date: 2002/03/25 17:25:00 EST
3145 :     Tag: blume-20020325-divmod
3146 :     Description:
3147 :    
3148 :     I improved (hopefully without breaking them) the implementation of Int.div,
3149 :     Int.mod, and Int.rem. For this, the code in translate.sml now takes
3150 :     advantage of the following observations:
3151 :    
3152 :     Let q = x quot y r = x rem y
3153 :     d = x div y m = x mod y
3154 :    
3155 :     where "quot" is the round-to-zero version of integer division that
3156 :     hardware usually provides. Then we have:
3157 :    
3158 :     r = x - q * y where neither the * nor the - will overflow
3159 :     d = if q >= 0 orelse x = q * y then q else q - 1
3160 :     where neither the * nor the - will overflow
3161 :     m = if q >= 0 orelse r = 0 then r else r + y
3162 :     where the + will not overflow
3163 :    
3164 :     This results in substantial simplification of the generated code.
3165 :     The following table shows the number of CFG nodes and edges generated
3166 :     for
3167 :     fun f (x, y) = x OPER y
3168 :     (* with OPER \in div, mod, quot, rem *)
3169 :    
3170 :    
3171 :     OPER | nodes(old) | edges(old) | nodes(new) | edges(new)
3172 :     --------------------------------------------------------
3173 :     div | 24 | 39 | 12 | 16
3174 :     mod | 41 | 71 | 12 | 16
3175 :     quot | 8 | 10 | 8 | 10
3176 :     rem | 10 | 14 | 8 | 10
3177 :    
3178 :    
3179 :     ----------------------------------------------------------------------
3180 :     Name: Matthias Blume
3181 : blume 1179 Date: 2002/03/25 22:06:00 EST
3182 :     Tag: blume-20020325-cprotobug
3183 :     Description:
3184 :    
3185 :     Fixed a bug in cproto (c prototype decoder).
3186 :    
3187 :     ----------------------------------------------------------------------
3188 :     Name: Matthias Blume
3189 : blume 1178 Date: 2002/03/25 16:00:00 EST
3190 :     Tag: blume-20020325-raw-primops
3191 :     Description:
3192 :    
3193 :     I did some cleanup to Allen's new primop code and
3194 :     replaced yesterday's bootfiles with new ones.
3195 :     (But they are stored in the same place.)
3196 :    
3197 :     ----------------------------------------------------------------------
3198 :     Name: Matthias Blume
3199 : blume 1175 Date: 2002/03/24 22:40:00 EST
3200 :     Tag: blume-20020324-bootfiles
3201 :     Description:
3202 :    
3203 :     Made the bootfiles that Allen asked for.
3204 :    
3205 :     ----------------------------------------------------------------------
3206 : leunga 1174 Name: Allen Leung
3207 :     Date: 2002/03/23 15:50:00 EST
3208 :     Tag: leunga-20020323-flint-cps-rcc-primops
3209 :     Description:
3210 :    
3211 :     1. Changes to FLINT primops:
3212 :    
3213 :     (* make a call to a C-function;
3214 :     * The primop carries C function prototype information and specifies
3215 :     * which of its (ML-) arguments are floating point. C prototype
3216 :     * information is for use by the backend, ML information is for
3217 :     * use by the CPS converter. *)
3218 :     | RAW_CCALL of { c_proto: CTypes.c_proto,
3219 :     ml_args: ccall_type list,
3220 :     ml_res_opt: ccall_type option,
3221 :     reentrant : bool
3222 :     } option
3223 :     (* Allocate uninitialized storage on the heap.
3224 :     * The record is meant to hold short-lived C objects, i.e., they
3225 : blume 2155 * are not ML pointers. With the tag, the representation is
3226 : leunga 1174 * the same as RECORD with tag tag_raw32 (sz=4), or tag_fblock (sz=8)
3227 :     *)
3228 : blume 2155 | RAW_RECORD of {tag:bool,sz:int}
3229 : leunga 1174 and ccall_type = CCALL_INT32 | CCALL_REAL64 | CCALL_ML_PTR
3230 :    
3231 :     2. These CPS primops are now overloaded:
3232 :    
3233 :     rawload of {kind:numkind}
3234 :     rawstore of {kind:numkind}
3235 :    
3236 :     The one argument form is:
3237 :    
3238 :     rawload {kind} address
3239 :    
3240 :     The two argument form is:
3241 : blume 2155
3242 : leunga 1174 rawload {kind} [ml object, byte-offset]
3243 :    
3244 :     3. RAW_CCALL/RCC now takes two extra arguments:
3245 :    
3246 :     a. The first is whether the C call is reentrant, i.e., whether
3247 :     ML state should be saved and restored.
3248 :     b. The second argument is a string argument specifying the name of
3249 :     library and the C function.
3250 :    
3251 :     These things are currently not handled in the code generator, yet.
3252 :    
3253 :     4. In CProto,
3254 :    
3255 : blume 2155 An encoding type of "bool" means "ml object" and is mapped into
3256 :     C prototype of PTR. Note that "bool" is different than "string",
3257 : leunga 1174 even though "string" is also mapped into PTR, because "bool"
3258 :     is assigned an CPS type of BOGt, while "string" is assigned INT32t.
3259 :    
3260 :     5. Pickler/unpicker
3261 :    
3262 :     Changed to handle RAW_RECORD and newest RAW_CCALL
3263 :    
3264 :     6. MLRiscGen,
3265 :    
3266 :     1. Changed to handle the new rawload/rawstore/rawrecord operators.
3267 :     2. Code for handling C Calls has been moved to a new module CPSCCalls,
3268 :     in the file CodeGen/cpscompile/cps-c-calls.sml
3269 :    
3270 :     7. Added the conditional move operator
3271 :    
3272 :     condmove of branch
3273 :    
3274 : blume 2155 to cps. Generation of this is still buggy so it is currently
3275 : leunga 1174 disabled.
3276 : blume 2155
3277 : leunga 1174 ----------------------------------------------------------------------
3278 : george 1168 Name: Lal George
3279 : blume 2155 Date: 2002/03/22 14:18:25 EST
3280 : george 1171 Tag: george-20020322-cps-branch-prob
3281 : george 1168 Description:
3282 :    
3283 : blume 2155 Implemented the Ball-Larus branch prediction-heuristics, and
3284 : george 1168 incorporated graphical viewers for control flow graphs.
3285 :    
3286 : george 1171 Ball-Larus Heuristics:
3287 : george 1168 ---------------------
3288 :     See the file compiler/CodeGen/cpscompile/cpsBranchProb.sml.
3289 :    
3290 :     By design it uses the Dempster-Shafer theory for combining
3291 :     probabilities. For example, in the function:
3292 :    
3293 :     fun f(n,acc) = if n = 0 then acc else f(n-1, n*acc)
3294 :    
3295 :     the ball-larus heuristics predicts that the n=0 is unlikely
3296 :     (OH-heuristic), and the 'then' branch is unlikely because of the
3297 :     RH-heuristic -- giving the 'then' branch an even lower combined
3298 : george 1171 probability using the Dempster-Shafer theory.
3299 : george 1168
3300 :     Finally, John Reppy's loop analysis in MLRISC, further lowers the
3301 :     probability of the 'then' branch because of the loop in the else
3302 :     branch.
3303 :    
3304 :    
3305 :     Graphical Viewing:
3306 : blume 2155 ------------------
3307 : george 1168 I merely plugged in Allen's graphical viewers into the compiler. The
3308 :     additional code is not much. At the top level, saying:
3309 :    
3310 :     Control.MLRISC.getFlag "cfg-graphical-view" := true;
3311 :    
3312 :     will display the graphical view of the control flow graph just before
3313 :     back-patching. daVinci must be in your path for this to work. If
3314 :     daVinci is not available, then the default viewer can be changed
3315 :     using:
3316 :    
3317 :     Control.MLRISC.getString "viewer"
3318 :    
3319 :     which can be set to "dot" or "vcg" for the corresponding viewers. Of
3320 :     course, these viewers must be in your path.
3321 :    
3322 :     The above will display the compilation unit at the level of clusters,
3323 :     many of which are small, boring, and un-interesting. Also setting:
3324 :    
3325 :     Control.MLRISC.getInt "cfg-graphical-view_size"
3326 :    
3327 :     will display clusters that are larger than the value set by the above.
3328 :    
3329 : blume 2155
3330 : george 1168 ----------------------------------------------------------------------
3331 : blume 1159 Name: Matthias Blume
3332 :     Date: 2002/03/21 22:20:00 EST
3333 :     Tag: blume-20020321-kmp-bugfix
3334 :     Description:
3335 :    
3336 :     Changed the interface to the KMP routine in PreString and fixed
3337 :     a minor bug in one place where it was used.
3338 :    
3339 :     ----------------------------------------------------------------------
3340 : leunga 1156 Name: Allen Leung
3341 : leunga 1158 Date: 2002/03/21 20:30:00 EST
3342 :     Tag: leunga-20020321-cfg
3343 :     Description:
3344 :    
3345 :     Fixed a potential problem in cfg edge splitting.
3346 :    
3347 :     ----------------------------------------------------------------------
3348 :     Name: Allen Leung
3349 : leunga 1156 Date: 2002/03/21 17:15:00 EST
3350 :     Tag: leunga-20020321-x86-fp-cfg
3351 :     Description:
3352 :    
3353 : blume 2155 1. Recoded the buggy parts of x86-fp.
3354 : leunga 1156
3355 :     a. All the block reordering code has been removed.
3356 :     We now depend on the block placement phases to do this work.
3357 :    
3358 :     b. Critical edge splitting code has been simplified and moved into the
3359 :     CFG modules, as where they belong.
3360 :    
3361 :     Both of these were quite buggy and complex. The code is now much, much
3362 :     simpler.
3363 :    
3364 :     2. X86 backend.
3365 :    
3366 :     a. Added instructions for 64-bit support. Instruction selection for
3367 :     64-bit has not been committed, however, since that
3368 : blume 2155 requires changes to MLTREE which haven't been approved by
3369 : leunga 1156 Lal and John.
3370 :    
3371 : blume 2155 b. Added support for FUCOMI and FUCOMIP when generating code for
3372 : leunga 1156 PentiumPro and above. We only generate these instructions in
3373 :     the fast-fp mode.
3374 :    
3375 : blume 2155 c. Added cases for JP and JNP in X86FreqProps.
3376 :    
3377 : leunga 1156 3. CFG
3378 :    
3379 :     CFG now has a bunch of methods for edge splitting and merging.
3380 :    
3381 :     4. Machine description.
3382 :    
3383 :     John's simplification of MLTREE_BASIS.fcond broke a few machine
3384 :     description things:
3385 :    
3386 :     rtl-build.{sig,sml} and hppa.mdl fixed.
3387 :    
3388 : blume 2155 NOTE: the machine description stuff in the repository is still broken.
3389 :     Again, I can't put my fixes in because that involves
3390 :     changes to MLTREE.
3391 : leunga 1156
3392 :     ----------------------------------------------------------------------
3393 : blume 1145 Name: Matthias Blume
3394 : blume 1155 Date: 2002/03/20 15:55:00 EST
3395 :     Tag: blume-20020320-kmp
3396 :     Description:
3397 :    
3398 :     Implemented Knuth-Morris-Pratt string matching in PreString and used
3399 :     it for String.isSubstring, Substring.isSubstring, and
3400 :     Substring.position.
3401 :    
3402 :     (Might need some stress-testing. Simple examples worked fine.)
3403 :    
3404 :     ----------------------------------------------------------------------
3405 :     Name: Matthias Blume
3406 : blume 1152 Date: 2002/03/19 16:37:00 EST
3407 :     Tag: blume-20020319-witnesses
3408 :     Description:
3409 :    
3410 :     Added a structure C.W and functions convert/Ptr.convert to ml-nlffi-lib.
3411 :    
3412 :     This implements a generic mechanism for changing constness qualifiers
3413 :     anywhere within big C types without resorting to outright "casts".
3414 :     (So far, functions such as C.rw/C.ro or C.Ptr.rw/C.Ptr.ro only let you
3415 :     modify the constness at the outermost level.)
3416 :     The implementation of "convert" is based on the idea of "witness"
3417 :     values -- values that are not used by the operation but whose types
3418 :     "testify" to their applicability. On the implementation side, "convert"
3419 :     is simply a projection (returning its second curried argument). With
3420 :     cross-module inlining, it should not result in any machine code being
3421 :     generated.
3422 :    
3423 :     ----------------------------------------------------------------------
3424 :     Name: Matthias Blume
3425 : blume 1148 Date: 2002/03/15 16:40:00 EST
3426 :     Tag: blume-20020315-basis
3427 :     Description:
3428 :    
3429 :     Provided (preliminary?) implementations for
3430 :    
3431 :     {String,Substring}.{concatWith,isSuffix,isSubstring}
3432 :    
3433 :     and
3434 :    
3435 :     Substring.full
3436 :    
3437 :     Those are in the Basis spec but they were missing in SML/NJ.
3438 :    
3439 :     ----------------------------------------------------------------------
3440 :     Name: Matthias Blume
3441 : blume 1145 Date: 2002/03/14 21:30:00 EST
3442 :     Tag: blume-20020314-controls
3443 :     Description:
3444 :    
3445 :     Controls:
3446 :     ---------
3447 :    
3448 :     1. Factored out the recently-added Controls : CONTROLS stuff and put
3449 :     it into its own library $/controls-lib.cm. The source tree for
3450 :     this is under src/smlnj-lib/Controls.
3451 :    
3452 :     2. Changed the names of types and functions in this interface, so they
3453 :     make a bit more "sense":
3454 :    
3455 :     module -> registry
3456 :     'a registry -> 'a group
3457 :    
3458 :     3. The interface now deals in ref cells only. The getter/setter interface
3459 :     is (mostly) gone.
3460 :    
3461 :     4. Added a function that lets one register an already-existing ref cell.
3462 :    
3463 :     5. Made the corresponding modifications to the rest of the code so that
3464 :     everything compiles again.
3465 :    
3466 :     6. Changed the implementation of Controls.MLRISC back to something closer
3467 :     to the original. In particular, this module (and therefore MLRISC)
3468 :     does not depend on Controls. There now is some link-time code in
3469 :     int-sys.sml that registers the MLRISC controls with the Controls
3470 :     module.
3471 :    
3472 :     CM:
3473 :     ---
3474 :    
3475 :     * One can now specify the lambda-split aggressiveness in init.cmi.
3476 :    
3477 :     ----------------------------------------------------------------------
3478 : leunga 1142 Name: Allen Leung
3479 :     Date: 2002/03/13 17:30:00 EST
3480 :     Tag: leunga-20020313-x86-fp-unary
3481 :     Description:
3482 :    
3483 :     Bug fix for:
3484 :    
3485 :     > leunga@weaselbane:~/Yale/tmp/sml-dist{21} bin/sml
3486 :     > Standard ML of New Jersey v110.39.1 [FLINT v1.5], March 08, 2002
3487 :     > - fun f(x,(y,z)) = Real.~ y;
3488 :     > [autoloading]
3489 :     > [autoloading done]
3490 :     > fchsl (%eax), 184(%esp)
3491 :     > Error: MLRisc bug: X86MCEmitter.emitInstr
3492 : blume 2155 >
3493 : leunga 1142 > uncaught exception Error
3494 :     > raised at: ../MLRISC/control/mlriscErrormsg.sml:16.14-16.19
3495 :    
3496 :     The problem was that the code generator did not generate any fp registers
3497 :     in this case, and the ra didn't know that it needed to run the X86FP phase to
3498 :     translate the pseudo fp instruction. This only happened with unary fp
3499 :     operators in certain situations.
3500 :    
3501 :     ----------------------------------------------------------------------
3502 : blume 1137 Name: Matthias Blume
3503 : blume 1140 Date: 2002/03/13 14:00:00 EST
3504 :     Tag: blume-20020313-overload-etc
3505 :     Description:
3506 :    
3507 :     1. Added _overload as a synonym for overload for backward compatibility.
3508 :     (Control.overloadKW must be true for either version to be accepted.)
3509 :    
3510 :     2. Fixed bug in install script that caused more things to be installed
3511 :     than what was requested in config/targets.
3512 :    
3513 :     3. Made CM aware of the (_)overload construct so that autoloading
3514 :     works.
3515 :    
3516 :     ----------------------------------------------------------------------
3517 :     Name: Matthias Blume
3518 : blume 1138 Date: 2002/03/12 22:03:00 EST
3519 :     Tag: blume-20020312-url
3520 :     Description:
3521 :    
3522 :     Forgot to update BOOT and srcarchiveurl.
3523 :    
3524 :     ----------------------------------------------------------------------
3525 :     Name: Matthias Blume
3526 : blume 1137 Date: 2002/03/12 17:30:00 EST
3527 :     Tag: blume-20020312-version110392
3528 :     Description:
3529 :    
3530 :     Yet another version number bump (because of small changes to the
3531 :     binfile format). Version number is now 110.39.2. NEW BOOTFILES!
3532 :    
3533 :     Changes:
3534 :    
3535 :     The new pid generation scheme described a few weeks ago was overly
3536 :     complicated. I implemented a new mechanism that is simpler and
3537 :     provides a bit more "stability": Once CM has seen a compilation
3538 :     unit, it keeps its identity constant (as long as you do not delete
3539 :     those crucial CM/GUID/* files). This means that when you change
3540 : blume 1145 an interface, compile, then go back to the old interface, and
3541 : blume 1137 compile again, you arrive at the original pid.
3542 :    
3543 :     There now also is a mechanism that instructs CM to use the plain
3544 :     environment hash as a module's pid (effectively making its GUID
3545 :     the empty string). For this, "noguid" must be specified as an
3546 :     option to the .sml file in question within its .cm file.
3547 :     This is most useful for code that is being generated by tools such
3548 :     as ml-nlffigen (because during development programmers tend to
3549 :     erase the tool's entire output directory tree including CM's cached
3550 :     GUIDs). "noguid" is somewhat dangerous (since it can be used to locally
3551 :     revert to the old, broken behavior of SML/NJ, but in specific cases
3552 :     where there is no danger of interface confusion, its use is ok
3553 :     (I think).
3554 :    
3555 :     ml-nlffigen by default generates "noguid" annotations. They can be
3556 :     turned off by specifying -guid in its command line.
3557 :    
3558 :     ----------------------------------------------------------------------
3559 : george 1136 Name: Lal George
3560 :     Date: 2002/03/12 12 14:42:36 EST
3561 :     Tag: george-20020312-frequency-computation
3562 :     Description:
3563 : blume 2155
3564 : george 1136 Integrated jump chaining and static block frequency into the
3565 :     compiler. More details and numbers later.
3566 : leunga 1025
3567 : george 1003 ----------------------------------------------------------------------
3568 : george 1133 Name: Lal George
3569 :     Date: 2002/03/11 11 22:38:53 EST
3570 :     Tag: george-20020311-jump-chain-elim
3571 :     Description:
3572 :    
3573 :     Tested the jump chain elimination on all architectures (except the
3574 :     hppa). This is on by default right now and is profitable for the
3575 :     alpha and x86, however, it may not be profitable for the sparc and ppc
3576 :     when compiling the compiler.
3577 :    
3578 : blume 2155 The gc test will typically jump to a label at the end of the cluster,
3579 :     where there is another jump to an external cluster containing the actual
3580 : george 1133 code to invoke gc. This is to allow factoring of common gc invocation
3581 :     sequences. That is to say, we generate:
3582 :    
3583 :     f:
3584 :     testgc
3585 :     ja L1 % jump if above to L1
3586 :    
3587 :     L1:
3588 :     jmp L2
3589 :    
3590 :    
3591 :     After jump chain elimination the 'ja L1' instructions is converted to
3592 :     'ja L2'. On the sparc and ppc, many of the 'ja L2' instructions may end
3593 :     up being implemented in their long form (if L2 is far away) using:
3594 :    
3595 :     jbe L3 % jump if below or equal to L3
3596 :     jmp L2
3597 :     L3:
3598 :     ...
3599 :    
3600 :    
3601 :     For large compilation units L2 may be far away.
3602 :    
3603 :    
3604 :     ----------------------------------------------------------------------
3605 : blume 1132 Name: Matthias Blume
3606 :     Date: 2002/03/11 13:30:00 EST
3607 :     Tag: blume-20020311-mltreeeval
3608 :     Description:
3609 :    
3610 :     A functor parameter was missing.
3611 :    
3612 :     ----------------------------------------------------------------------
3613 : leunga 1130 Name: Allen Leung
3614 : leunga 1131 Date: 2002/03/11 10:30:00 EST
3615 : leunga 1142 Tag: leunga-20020311-runtime-string0
3616 : leunga 1131 Description:
3617 :    
3618 : blume 2155 The representation of the empty string now points to a
3619 :     legal null terminated C string instead of unit. It is now possible
3620 :     to convert an ML string into C string with InlineT.CharVector.getData.
3621 : leunga 1131 This compiles into one single machine instruction.
3622 :    
3623 :     ----------------------------------------------------------------------
3624 :     Name: Allen Leung
3625 : leunga 1130 Date: 2002/03/10 23:55:00 EST
3626 :     Tag: leunga-20020310-x86-call
3627 :     Description:
3628 :    
3629 :     Added machine generation for CALL instruction (relative displacement mode)
3630 :    
3631 :     ----------------------------------------------------------------------
3632 : blume 1128 Name: Matthias Blume
3633 :     Date: 2002/03/08 16:05:00
3634 :     Tag: blume-20020308-entrypoints
3635 :     Description:
3636 :    
3637 :     Version number bumped to 110.39.1. NEW BOOTFILES!
3638 :    
3639 :     Entrypoints: non-zero offset into a code object where execution should begin.
3640 :    
3641 :     - Added the notion of an entrypoint to CodeObj.
3642 :     - Added reading/writing of entrypoint info to Binfile.
3643 :     - Made runtime system bootloader aware of entrypoints.
3644 :     - Use the address of the label of the first function given to mlriscGen
3645 :     as the entrypoint. This address is currently always 0, but it will
3646 :     not be 0 once we turn on block placement.
3647 :     - Removed the linkage cluster code (which was The Other Way(tm) of dealing
3648 :     with entry points) from mlriscGen.
3649 :    
3650 :     ----------------------------------------------------------------------
3651 : leunga 1127 Name: Allen Leung
3652 :     Date: 2002/03/07 20:45:00 EST
3653 :     Tag: leunga-20020307-x86-cmov
3654 :     Description:
3655 :    
3656 :     Bug fixes for CMOVcc on x86.
3657 :    
3658 :     1. Added machine code generation for CMOVcc
3659 :     2. CMOVcc is now generated in preference over SETcc on PentiumPro or above.
3660 :     3. CMOVcc cannot have an immediate operand as argument.
3661 :    
3662 :     ----------------------------------------------------------------------
3663 : blume 1126 Name: Matthias Blume
3664 :     Date: 2002/03/07 16:15:00 EST
3665 :     Tag: blume-20020307-controls
3666 :     Description:
3667 :    
3668 :     This is a very large but mostly boring patch which makes (almost)
3669 :     every tuneable compiler knob (i.e., pretty much everything under
3670 :     Control.* plus a few other things) configurable via both the command
3671 :     line and environment variables in the style CM did its configuration
3672 :     until now.
3673 :    
3674 :     Try starting sml with '-h' (or, if you are brave, '-H')
3675 :    
3676 :     To this end, I added a structure Controls : CONTROLS to smlnj-lib.cm which
3677 :     implements the underlying generic mechanism.
3678 :    
3679 :     The interface to some of the existing such facilities has changed somewhat.
3680 :     For example, the MLRiscControl module now provides mkFoo instead of getFoo.
3681 :     (The getFoo interface is still there for backward-compatibility, but its
3682 :     use is deprecated.)
3683 :    
3684 :     The ml-build script passes -Cxxx=yyy command-line arguments through so
3685 :     that one can now twiddle the compiler settings when using this "batch"
3686 :     compiler.
3687 :    
3688 :     TODO items:
3689 :    
3690 :     We should go through and throw out all controls that are no longer
3691 :     connected to anything. Moreover, we should go through and provide
3692 :     meaningful (and correct!) documentation strings for those controls
3693 :     that still are connected.
3694 :    
3695 :     Currently, multiple calls to Controls.new are accepted (only the first
3696 :     has any effect). Eventually we should make sure that every control
3697 :     is being made (via Controls.new) exactly once. Future access can then
3698 :     be done using Controls.acc.
3699 :    
3700 :     Finally, it would probably be a good idea to use the getter-setter
3701 :     interface to controls rather than ref cells. For the time being, both
3702 :     styles are provided by the Controls module, but getter-setter pairs are
3703 :     better if thread-safety is of any concern because they can be wrapped.
3704 :    
3705 :     *****************************************
3706 :    
3707 :     One bug fix: The function blockPlacement in three of the MLRISC
3708 :     backpatch files used to be hard-wired to one of two possibilities at
3709 :     link time (according to the value of the placementFlag). But (I
3710 :     think) it should rather sense the flag every time.
3711 :    
3712 :     *****************************************
3713 :    
3714 :     Other assorted changes (by other people who did not supply a HISTORY entry):
3715 :    
3716 :     1. the cross-module inliner now works much better (Monnier)
3717 :     2. representation of weights, frequencies, and probabilities in MLRISC
3718 :     changed in preparation of using those for weighted block placement
3719 :     (Reppy, George)
3720 :    
3721 :     ----------------------------------------------------------------------
3722 : george 1116 Name: Lal George
3723 : george 1124 Date: 2002/03/07 14:44:24 EST 2002
3724 :     Tag: george-20020307-weighted-block-placement
3725 :    
3726 :     Tested the weighted block placement optimization on all architectures
3727 :     (except the hppa) using AMPL to generate the block and edge frequencies.
3728 :     Changes were required in the machine properties to correctly
3729 : blume 2155 categorize trap instructions. There is an MLRISC flag
3730 :     "weighted-block-placement" that can be used to enable weighted block
3731 : george 1124 placement, but this will be ineffective without block/edge
3732 :     frequencies (coming soon).
3733 :    
3734 :    
3735 :     ----------------------------------------------------------------------
3736 :     Name: Lal George
3737 : blume 2155 Date: 2002/03/05 17:24:48 EST
3738 : george 1116 Tag: george-20020305-linkage-cluster
3739 :    
3740 : george 1124 In order to support the block placement optimization, a new cluster
3741 :     is generated as the very first cluster (called the linkage cluster).
3742 : blume 2155 It contains a single jump to the 'real' entry point for the compilation
3743 : george 1124 unit. Block placement has no effect on the linkage cluster itself, but
3744 :     all the other clusters have full freedom in the manner in which they
3745 : blume 2155 reorder blocks or functions.
3746 : george 1116
3747 :     On the x86 the typical linkage code that is generated is:
3748 :     ----------------------
3749 :     .align 2
3750 :     L0:
3751 :     addl $L1-L0, 72(%esp)
3752 : george 1124 jmp L1
3753 : george 1116
3754 :    
3755 :     .align 2
3756 :     L1:
3757 :     ----------------------
3758 :    
3759 : blume 2155 72(%esp) is the memory location for the stdlink register. This
3760 : george 1116 must contain the address of the CPS function being called. In the
3761 : george 1124 above example, it contains the address of L0; before
3762 : george 1116 calling L1 (the real entry point for the compilation unit), it
3763 :     must contain the address for L1, and hence
3764 :    
3765 :     addl $L1-L0, 72(%esp)
3766 :    
3767 : george 1124 I have tested this on all architectures except the hppa.The increase
3768 :     in code size is of course negligible
3769 : george 1116
3770 :     ----------------------------------------------------------------------
3771 : leunga 1115 Name: Allen Leung
3772 :     Date: 2002/03/03 13:20:00 EST
3773 :     Tag: leunga-20020303-mlrisc-tools
3774 :    
3775 :     Added #[ ... ] expressions to mlrisc tools
3776 :    
3777 :     ----------------------------------------------------------------------
3778 : blume 1096 Name: Matthias Blume
3779 : blume 1098 Date: 2002/02/27 12:29:00 EST
3780 :     Tag: blume-20020227-cdebug
3781 :     Description:
3782 :    
3783 :     - made types in structure C and C_Debug to be equal
3784 :     - got rid of code duplication (c-int.sml vs. c-int-debug.sml)
3785 :     - there no longer is a C_Int_Debug (C_Debug is directly derived from C)
3786 :    
3787 :     ----------------------------------------------------------------------
3788 :     Name: Matthias Blume
3789 : blume 1096 Date: 2002/02/26 12:00:00 EST
3790 :     Tag: blume-20020226-ffi
3791 :     Description:
3792 :    
3793 :     1. Fixed a minor bug in CM's "noweb" tool:
3794 :     If numbering is turned off, then truly don't number (i.e., do not
3795 :     supply the -L option to noweb). The previous behavior was to supply
3796 :     -L'' -- which caused noweb to use the "default" line numbering scheme.
3797 :     Thanks to Chris Richards for pointing this out (and supplying the fix).
3798 :    
3799 :     2. Once again, I reworked some aspects of the FFI:
3800 :    
3801 :     A. The incomplete/complete type business:
3802 :    
3803 :     - Signatures POINTER_TO_INCOMPLETE_TYPE and accompanying functors are
3804 :     gone!
3805 :     - ML types representing an incomplete type are now *equal* to
3806 :     ML types representing their corresponding complete types (just like
3807 :     in C). This is still safe because ml-nlffigen will not generate
3808 :     RTTI for incomplete types, nor will it generate functions that
3809 :     require access to such RTTI. But when ML code generated from both
3810 :     incomplete and complete versions of the C type meet, the ML types
3811 :     are trivially interoperable.
3812 :    
3813 :     NOTE: These changes restore the full generality of the translation
3814 :     (which was previously lost when I eliminated functorization)!
3815 :    
3816 :     B. Enum types:
3817 :    
3818 :     - Structure C now has a type constructor "enum" that is similar to
3819 :     how the "su" constructor works. However, "enum" is not a phantom
3820 :     type because each "T enum" has values (and is isomorphic to
3821 :     MLRep.Signed.int).
3822 :     - There are generic access operations for enum objects (using
3823 :     MLRep.Signed.int).
3824 :     - ml-nlffigen will generate a structure E_foo for each "enum foo".
3825 :     * The structure contains the definition of type "mlrep" (the ML-side
3826 :     representation type of the enum). Normally, mlrep is the same
3827 :     as "MLRep.Signed.int", but if ml-nlffigen was invoked with "-ec",
3828 :     then mlrep will be defined as a datatype -- thus facilitating
3829 :     pattern matching on mlrep values.
3830 :     ("-ec" will be suppressed if there are duplicate values in an
3831 :     enumeration.)
3832 :     * Constructors ("-ec") or values (no "-ec") e_xxx of type mlrep
3833 :     will be generated for each C enum constant xxx.
3834 :     * Conversion functions m2i and i2m convert between mlrep and
3835 :     MLRep.Signed.int. (Without "-ec", these functions are identities.)
3836 :     * Coversion functions c and ml convert between mlrep and "tag enum".
3837 :     * Access functions (get/set) fetch and store mlrep values.
3838 :     - By default (unless ml-nlffigen was invoked with "-nocollect"), unnamed
3839 :     enumerations are merged into one single enumeration represented by
3840 :     structure E_'.
3841 :    
3842 :     ----------------------------------------------------------------------
3843 : leunga 1080 Name: Allen Leung
3844 : leunga 1094 Date: 2002/02/25 04:45:00 EST
3845 :     Tag: leunga-20020225-cps-spill
3846 :    
3847 :     This is a new implementation of the CPS spill phase.
3848 :     The new phase is in the new file compiler/CodeGen/cpscompile/spill-new.sml
3849 :     In case of problems, replace it with the old file spill.sml
3850 :    
3851 : blume 2155 The current compiler runs into some serious performance problems when
3852 : leunga 1094 constructing a large record. This can happen when we try to compile a
3853 :     structure with many items. Even a very simple structure like the following
3854 :     makes the compiler slow down.
3855 :    
3856 :     structure Foo = struct
3857 :     val x_1 = 0w1 : Word32.int
3858 :     val x_2 = 0w2 : Word32.int
3859 :     val x_3 = 0w3 : Word32.int
3860 :     ...
3861 :     val x_N = 0wN : Word32.int
3862 :     end
3863 :    
3864 : blume 2155 The following table shows the compile time, from N=1000 to N=4000,
3865 : leunga 1094 with the old compiler:
3866 :    
3867 :     N
3868 : blume 2155 1000 CPS 100 spill 0.04u 0.00s 0.00g
3869 :     MLRISC ra 0.06u 0.00s 0.05g
3870 : leunga 1094 (spills = 0 reloads = 0)
3871 : blume 2155 TOTAL 0.63u 0.07s 0.21g
3872 : leunga 1094
3873 : blume 2155 1100 CPS 100 spill 8.25u 0.32s 0.64g
3874 :     MLRISC ra 5.68u 0.59s 3.93g
3875 : leunga 1094 (spills = 0 reloads = 0)
3876 : blume 2155 TOTAL 14.71u 0.99s 4.81g
3877 : leunga 1094
3878 : blume 2155 1500 CPS 100 spill 58.55u 2.34s 1.74g
3879 :     MLRISC ra 5.54u 0.65s 3.91g
3880 : leunga 1094 (spills = 543 reloads = 1082)
3881 : blume 2155 TOTAL 65.40u 3.13s 6.00g
3882 : leunga 1094
3883 : blume 2155 2000 CPS 100 spill 126.69u 4.84s 3.08g
3884 :     MLRISC ra 0.80u 0.10s 0.55g
3885 : leunga 1094 (spills = 42 reloads = 84)
3886 : blume 2155 TOTAL 129.42u 5.10s 4.13g
3887 : leunga 1094
3888 : blume 2155 3000 CPS 100 spill 675.59u 19.03s 11.64g
3889 :     MLRISC ra 2.69u 0.27s 1.38g
3890 : leunga 1094 (spills = 62 reloads = 124)
3891 : blume 2155 TOTAL 682.48u 19.61s 13.99g
3892 : leunga 1094
3893 : blume 2155 4000 CPS 100 spill 2362.82u 56.28s 43.60g
3894 :     MLRISC ra 4.96u 0.27s 2.72g
3895 : leunga 1094 (spills = 85 reloads = 170)
3896 : blume 2155 TOTAL 2375.26u 57.21s 48.00g
3897 : leunga 1094
3898 : blume 2155 As you can see the old cps spill module suffers from some serious
3899 :     performance problem. But since I cannot decipher the old code fully,
3900 :     instead of patching the problems up, I'm reimplementing it
3901 :     with a different algorithm. The new code is more modular,
3902 :     smaller when compiled, and substantially faster
3903 :     (O(n log n) time and O(n) space). Timing of the new spill module:
3904 : leunga 1094
3905 : blume 2155 4000 CPS 100 spill 0.02u 0.00s 0.00g
3906 :     MLRISC ra 0.25u 0.02s 0.15g
3907 :     (spills=1 reloads=3)
3908 :     TOTAL 7.74u 0.34s 1.62g
3909 : leunga 1094
3910 :     Implementation details:
3911 :    
3912 : blume 2155 As far as I can tell, the purpose of the CPS spill module is to make sure the
3913 :     number of live variables at any program point (the bandwidth)
3914 :     does not exceed a certain limit, which is determined by the
3915 :     size of the spill area.
3916 : leunga 1094
3917 : blume 2155 When the bandwidth is too large, we decrease the register pressure by
3918 : leunga 1094 packing live variables into spill records. How we achieve this is
3919 :     completely different than what we did in the old code.
3920 :    
3921 : blume 2155 First, there is something about the MLRiscGen code generator
3922 : leunga 1094 that we should be aware of:
3923 :    
3924 :     o MLRiscGen performs code motion!
3925 : blume 2155
3926 : leunga 1094 In particular, it will move floating point computations and
3927 : blume 2155 address computations involving only the heap pointer to
3928 :     their use sites (if there is only a single use).
3929 : leunga 1094 What this means is that if we have a CPS record construction
3930 :     statement
3931 : blume 2155
3932 : leunga 1094 RECORD(k,vl,w,e)
3933 : blume 2155
3934 :     we should never count the new record address w as live if w
3935 : leunga 1094 has only one use (which is often the case).
3936 : blume 2155
3937 : leunga 1094 We should do something similar to floating point, but the transformation
3938 :     there is much more complex, so I won't deal with that.
3939 :    
3940 :     Secondly, there are now two new cps primops at our disposal:
3941 :    
3942 : blume 2155 1. rawrecord of record_kind option
3943 : leunga 1094 This pure operator allocates some uninitialized storage from the heap.
3944 :     There are two forms:
3945 : blume 2155
3946 : leunga 1094 rawrecord NONE [INT n] allocates a tagless record of length n
3947 :     rawrecord (SOME rk) [INT n] allocates a tagged record of length n
3948 :     and initializes the tag.
3949 : blume 2155
3950 : leunga 1094 2. rawupdate of cty
3951 : blume 2155 rawupdate cty (v,i,x)
3952 : leunga 1094 Assigns to x to the ith component of record v.
3953 :     The storelist is not updated.
3954 : blume 2155
3955 : leunga 1094 We use these new primops for both spilling and increment record construction.
3956 : blume 2155
3957 : leunga 1094 1. Spilling.
3958 : blume 2155
3959 : leunga 1094 This is implemented with a linear scan algorithm (but generalized
3960 :     to trees). The algorithm will create a single spill record at the
3961 :     beginning of the cps function and use rawupdate to spill to it,
3962 :     and SELECT or SELp to reload from it. So both spills and reloads
3963 : blume 2155 are fine-grain operations. In contrast, in the old algorithm
3964 :     "spills" have to be bundled together in records.
3965 :    
3966 : leunga 1094 Ideally, we should sink the spill record construction to where
3967 :     it is needed. We can even split the spill record into multiple ones
3968 :     at the places where they are needed. But CPS is not a good
3969 :     representation for global code motion, so I'll keep it simple and
3970 :     am not attempting this.
3971 : blume 2155
3972 : leunga 1094 2. Incremental record construction (aka record splitting).
3973 :    
3974 :     Long records with many component values which are simulatenously live
3975 : blume 2155 (recall that single use record addresses are not considered to
3976 : leunga 1094 be live) are constructed with rawrecord and rawupdate.
3977 :     We allocate space on the heap with rawrecord first, then gradually
3978 :     fill it in with rawupdate. This is the technique suggested to me
3979 :     by Matthias.
3980 : blume 2155
3981 : leunga 1094 Some restrictions on when this is applicable:
3982 :     1. It is not a VECTOR record. The code generator currently does not handle
3983 :     this case. VECTOR record uses double indirection like arrays.
3984 : blume 2155 2. All the record component values are defined in the same "basic block"
3985 :     as the record constructor. This is to prevent speculative
3986 :     record construction.
3987 : leunga 1094
3988 :     ----------------------------------------------------------------------
3989 :     Name: Allen Leung
3990 : leunga 1086 Date: 2002/02/22 01:02:00 EST
3991 :     Tag: leunga-20020222-mlrisc-tools
3992 :    
3993 :     Minor bug fixes in the parser and rewriter
3994 :    
3995 :     ----------------------------------------------------------------------
3996 :     Name: Allen Leung
3997 : leunga 1085 Date: 2002/02/21 20:20:00 EST
3998 :     Tag: leunga-20020221-peephole
3999 :    
4000 :     Regenerated the peephole files. Some contained typos in the specification
4001 :     and some didn't compile because of pretty printing bugs in the old version
4002 :     of 'nowhere'.
4003 :    
4004 :     ----------------------------------------------------------------------
4005 :     Name: Allen Leung
4006 : leunga 1079 Date: 2002/02/19 20:20:00 EST
4007 :     Tag: leunga-20020219-mlrisc-tools
4008 :     Description:
4009 :    
4010 :     Minor bug fixes to the mlrisc-tools library:
4011 :    
4012 :     1. Fixed up parsing colon suffixed keywords
4013 :     2. Added the ability to shut the error messages up
4014 :     3. Reimplemented the pretty printer and fixed up/improved
4015 :     the pretty printing of handle and -> types.
4016 :     4. Fixed up generation of literal symbols in the nowhere tool.
4017 :     5. Added some SML keywords to to sml.sty
4018 :    
4019 :     ----------------------------------------------------------------------
4020 :     Name: Matthias Blume
4021 : blume 1078 Date: 2002/02/19 16:20:00 EST
4022 :     Tag: blume-20020219-cmffi
4023 :     Description:
4024 :    
4025 :     A wild mix of changes, some minor, some major:
4026 :    
4027 :     * All C FFI-related libraries are now anchored under $c:
4028 :     $/c.cm --> $c/c.cm
4029 :     $/c-int.cm --> $c/internals/c-int.cm
4030 :     $/memory.cm --> $c/memory/memory.cm
4031 :    
4032 :     * "make" tool (in CM) now treats its argument pathname slightly
4033 :     differently:
4034 :     1. If the native expansion is an absolute name, then before invoking
4035 :     the "make" command on it, CM will apply OS.Path.mkRelative
4036 :     (with relativeTo = OS.FileSys.getDir()) to it.
4037 :     2. The argument will be passed through to subsequent phases of CM
4038 :     processing without "going native". In particular, if the argument
4039 :     was an anchored path, then "make" will not lose track of that anchor.
4040 :    
4041 :     * Compiler backends now "know" their respective C calling conventions
4042 :     instead of having to be told about it by ml-nlffigen. This relieves
4043 :     ml-nlffigen from one of its burdens.
4044 :    
4045 :     * The X86Backend has been split into X86CCallBackend and X86StdCallBackend.
4046 :    
4047 :     * Export C_DEBUG and C_Debug from $c/c.cm.
4048 :    
4049 :     * C type encoding in ml-nlffi-lib has been improved to model the conceptual
4050 :     subtyping relationship between incomplete pointers and their complete
4051 :     counterparts. For this, ('t, 'c) ptr has been changed to 'o ptr --
4052 :     with the convention of instantiating 'o with ('t, 'c) obj whenever
4053 :     the pointer target type is complete. In the incomplete case, 'o
4054 :     will be instantiated with some "'c iobj" -- a type obtained by
4055 :     using one of the functors PointerToIncompleteType or PointerToCompleteType.
4056 :    
4057 :     Operations that work on both incomplete and complete pointer types are
4058 :     typed as taking an 'o ptr while operations that require the target to
4059 :     be known are typed as taking some ('t, 'c) obj ptr.
4060 :    
4061 :     voidptr is now a bit "more concrete", namely "type voidptr = void ptr'"
4062 :     where void is an eqtype without any values. This makes it possible
4063 :     to work on voidptr values using functions meant to operate on light
4064 :     incomplete pointers.
4065 :    
4066 :     * As a result of the above, signature POINTER_TO_INCOMPLETE_TYPE has
4067 :     been vastly simplified.
4068 :    
4069 :     ----------------------------------------------------------------------
4070 :     Name: Matthias Blume
4071 : blume 1076 Date: 2002/02/19 10:48:00 EST
4072 :     Tag: blume-20020219-pqfix
4073 :     Description:
4074 :    
4075 :     Applied Chris Okasaki's bug fix for priority queues.
4076 :    
4077 :     ----------------------------------------------------------------------
4078 :     Name: Matthias Blume
4079 : blume 1073 Date: 2002/02/15 17:05:00
4080 : blume 1069 Tag: Release_110_39
4081 :     Description:
4082 :    
4083 : blume 1073 Last-minute retagging is becoming a tradition... :-(
4084 :    
4085 :     This is the working release 110.39.
4086 :    
4087 :     ----------------------------------------------------------------------
4088 :     Name: Matthias Blume
4089 :     Date: 2002/02/15 16:00:00 EST
4090 :     Tag: Release_110_39-orig
4091 :     Description:
4092 :    
4093 : blume 1069 Working release 110.39. New bootfiles.
4094 :    
4095 : blume 1073 (Update: There was a small bug in the installer so it wouldn't work
4096 :     with all shells. So I retagged. -Matthias)
4097 :    
4098 : blume 1069 ----------------------------------------------------------------------
4099 :     Name: Matthias Blume
4100 : blume 1068 Date: 2002/02/15 14:17:00 EST
4101 :     Tag: blume-20020215-showbindings
4102 :     Description:
4103 :    
4104 :     Added EnvRef.listBoundSymbols and CM.State.showBindings. Especially
4105 :     the latter can be useful for exploring what bindings are available at
4106 :     the interactive prompt. (The first function returns only the list
4107 :     of symbols that are really bound, the second prints those but also the
4108 :     ones that CM's autoloading mechanism knows about.)
4109 :    
4110 :     ----------------------------------------------------------------------
4111 :     Name: Matthias Blume
4112 : blume 1067 Date: 2002/02/15 12:08:00 EST
4113 :     Tag: blume-20020215-iptrs
4114 :     Description:
4115 :    
4116 :     Two improvements to ml-nlffigen:
4117 :    
4118 :     1. Write files only if they do not exist or if their current contents
4119 :     do not coincide with what's being written. (That is, avoid messing
4120 :     with the time stamps unless absolutely necessary.)
4121 :    
4122 :     2. Implement a "repository" mechanism for generated files related
4123 :     to "incomplete pointer types". See the README file for details.
4124 :    
4125 :     ----------------------------------------------------------------------
4126 :     Name: Matthias Blume
4127 : blume 1066 Date: 2002/02/14 11:50:00 EST
4128 :     Tag: blume-20020214-quote
4129 :     Description:
4130 :    
4131 :     Added a type 't t_' to tag.sml (in ml-nlffi-lib.cm). This is required
4132 :     because of the new and improved tag generation scheme. (Thanks to Allen
4133 :     Leung for pointing it out.)
4134 :    
4135 :     ----------------------------------------------------------------------
4136 : george 1065 Name: Lal George
4137 :     Date: 2002/02/14 09:55:27 EST 2002
4138 :     Tag: george-20020214-isabelle-bug
4139 : blume 2155 Description:
4140 : george 1065
4141 :     Fixed the MLRISC bug sent by Markus Wenzel regarding the compilation
4142 :     of Isabelle on the x86.
4143 :    
4144 :     From Allen:
4145 :     -----------
4146 : blume 2155 I've found the problem:
4147 : george 1065
4148 :     in ra-core.sml, I use the counter "blocked" to keep track of the
4149 :     true number of elements in the freeze queue. When the counter goes
4150 :     to zero, I skip examining the queue. But I've messed up the
4151 :     bookkeeping in combine():
4152 :    
4153 :     else ();
4154 :     case !ucol of
4155 : blume 2155 PSEUDO => (if !cntv > 0 then
4156 :     (if !cntu > 0 then blocked := !blocked - 1 else ();
4157 : george 1065 ^^^^^^^^^^^^^^^^^^^^^^^
4158 :     moveu := mergeMoveList(!movev, !moveu)
4159 :     )
4160 : blume 2155 else ();
4161 :    
4162 : george 1065 combine() is called to coalesce two nodes u and v.
4163 :     I think I was thinking that if the move counts of u and v are both
4164 :     greater than zero then after they are coalesced then one node is
4165 :     removed from the freeze queue. Apparently I was thinking that
4166 :     both u and v are of low degree, but that's clearly not necessarily true.
4167 :    
4168 : blume 2155
4169 : george 1065 02/12/2002:
4170 :     Here's the patch. HOL now compiles.
4171 :    
4172 :     I don't know how this impact on performance (compile
4173 : blume 2155 time or runtime). This bug caused the RA (especially on the x86)
4174 : george 1065 to go thru the potential spill phase when there are still nodes on the
4175 :     freeze queue.
4176 :    
4177 :    
4178 :    
4179 :    
4180 :     ----------------------------------------------------------------------
4181 : blume 1058 Name: Matthias Blume
4182 : blume 1064 Date: 2002/02/13 22:40:00 EST
4183 :     Tag: blume-20020213-fptr-rtti
4184 :     Description:
4185 :    
4186 :     Fixed a bug in ml-nlffigen that was introduced with one of the previous
4187 :     updates.
4188 :    
4189 :     ----------------------------------------------------------------------
4190 :     Name: Matthias Blume
4191 : blume 1063 Date: 2002/02/13 16:41:00 EST
4192 :     Tag: blume-20020213-cmlpq