Diff of /sml/trunk/HISTORY

Parent Directory | Revision Log | Patch

	revision 679, Thu Jun 29 07:03:20 2000 UTC	revision 826, Wed May 9 20:32:17 2001 UTC
#	Line 11	Line 11
11	Date:	Date:
12	Tag: <post-commit CVS tag>	Tag: <post-commit CVS tag>
13	Description:	Description:
14
15	----------------------------------------------------------------------	----------------------------------------------------------------------
16	Name: Matthias Blumen	Name: Matthias Blume
17		Date: 2001/05/09 16:35:00 EDT
18		Tag: blume-20010509-cpscontract
19		Description:
20
21		Fixed a bug in the accounting code in cpsopt/contract.sml.  (The
22		wrapper/unwrapper elimination did not decrement usage counts and some
23		dead variables got overlooked by the dead-up logic.)
24
25		----------------------------------------------------------------------
26		Name: Lal George
27		Date: 2001/05/08  17:26:09 EDT
28		Tag: george-20010508-omit-frameptr
29		Description:
30
31		Changes to implement the omit-frame-pointer optimization to support
32		raw C calls. For now, there is only support on the Intel x86, but
33		other architectures will follow as more experience is gained with this.
34
35
36		----------------------------------------------------------------------
37		Name: Matthias Blume
38		Date: 2001/05/07 14:40:00 EDT
39		Tag: blume-20010507-proxies
40		Description:
41
42		I made into "proxy libraries" all libraries that qualify for such a
43		change.  (A qualifying library is a library that has another library or
44		groups as its sole member and repeats that member's export list
45		verbatim.  A proxy library avoids this repetition by omitting its export
46		list, effectively inheriting the list that its (only) member exports.
47		See the CM manual for more explanation.)
48		The main effect is that explicit export lists for these libraries
49		do not have to be kepts in sync, making maintenance a bit easier.
50
51		I also added copyright notices to many .cm-files.
52
53		Last but not least, I made a new set of bootfiles.
54
55		----------------------------------------------------------------------
56		Name: Matthias Blume
57		Date: 2001/05/04 17:00:00 EDT
58		Tag: blume-20010504-cm-lsplit
59		Description:
60
61		0. John merged pending changes to $/smlnj-lib.cm
62
63		1. Allen's previous change accidentally backed out of one of Lal's
64		earlier changes.  I undid this mistake (re-introducing Lal's change).
65
66		2. I used the new topOrder' function from graph-scc.sml (from $/smlnj-lib.cm)
67		within the compiler where applicable.  There is some code simplification
68		because of that.
69
70		3. The "split" phase (in FLINT) is now part of the default list of phases.
71		Compiler.Control.LambdaSplitting.* can be used to globally control the
72		lambda-splitting (cross-module-inlining) engine.  In addition to that,
73		it can now also be controlled on a per-source basis: CM has been taught
74		a new tool parameter applicable to ML source files.
75
76		- To turn lambda-splitting off completely:
77		local open Compiler.Control.LambdaSplitting in
78		val _ = set Off
79		end
80		- To make "no lambda-splitting" the global default (but allow per-source
81		overriding); this is the initial setting:
82		local open Compiler.Control.LambdaSplitting in
83		val _ = set (Default NONE)
84		end
85		- To make "lambda-splitting with aggressiveness a" the global default
86		(and allow per-source overriding):
87		local open Compiler.Control.LambdaSplitting in
88		val _ = set (Default (SOME a))
89		end
90
91		- To turn lambda-splitting off for a given ML souce file (say: a.sml)
92		write (in the respective .cm-file):
93		a.sml (lambdasplitting:off)
94		- To turn lambda-splitting for a.sml on with minimal aggressiveness:
95		a.sml (lambdasplitting:on)
96		- To turn lambda-splitting for a.sml on with aggressiveness <a> (where
97		<a> is a decimal non-negative integer):
98		a.sml (lambdasplitting:<a>)
99		- To turn lambda-splitting for a.sml on with maximal aggressiveness:
100		a.sml (lambdasplitting:infinity)
101		- To use the global default for a.sml:
102		a.sml (lambdasplitting:default)
103		or simply
104		a.sml
105
106		----------------------------------------------------------------------
107		Name: Allen Leung
108		Date: 2001/05/04 01:57:00 EDT
109		Tag: leunga-20010504-sync
110		Description:
111
112		MLRISC features.
113
114		1. Fix to CMPXCHG instructions.
115		2. Changed RA interface to allow annotations in callbacks.
116		3. Added a new method to the stream interface to allow annotations updates.
117
118		----------------------------------------------------------------------
119		Name: Matthias Blume
120		Date: 2001/05/01 11:45:00 EDT
121		Tag: blume-20010501-pcedittmp
122		Description:
123
124		Changed install.sh to use the current working directory instead of
125		/usr/tmp for a temporary file (pcedittmp).  The previous choice
126		of /usr/tmp caused trouble with MacOS X because of file premission
127		problems.
128
129		----------------------------------------------------------------------
130		Name: Matthias Blume
131		Date: 2001/04/20 11:10:00 EDT
132		Tag: blume-20010420-inMLflag
133		Description:
134
135		- added vp_limitPtrMask to vproc-state.h
136		(for use by the raw-C-calls mechanism to implement proper interrupt
137		handling)
138		- made the ML compiler aware of various data-structure offsets so it
139		can generate code for accessing the vp_inML flag and vp_limitPtrMask
140		- tweaked mlriscGen.sml to have it emit interrupt-handling code for
141		raw C-calls
142
143		----------------------------------------------------------------------
144		Name: Lal George
145		Date: 2001/04/20 09:15:28 EDT
146		Tag: george-20010420-macosX
147		Description:
148
149		- Changes to port to Mac OS X; Darwin.
150
151		- In the process I found that sqrt was broken on the PPC, because the
152		fsqrt instruction is not implemented.
153
154		----------------------------------------------------------------------
155		Name: Matthias Blume
156		Date: 2001/04/18 12:45:00 EDT
157		Tag: blume-20010418-ccalls
158		Description:
159
160		- fixed two off-by-4 errors in the x86-specific c-calls implementation
161		(this bug prevented structure arguments containing pointers from being
162		passed correctly)
163		- changed the raw-C-call code in mlriscGen.sml in such a way that
164		structure arguments are represented as a pointer to the beginning
165		of the structure (instead of having a series of synthesized arguments,
166		one for each structure member)
167
168		- made makeml script's verbosity level configurable via environment
169		variable (MAKEML_VERBOSITY)
170
171		- eliminated placeholder implementations for f32l, w16s, i16s, and f32s
172		in rawmem-x86.sml; we are now using the real thing
173
174		----------------------------------------------------------------------
175		Name: Matthias Blume
176		Date: 2001/03/22 16:25:00 EST
177		Tag: blume-20010322-bootfiles
178		Description:
179
180		Created a new set of bootfiles (for your automatic installation convenience).
181
182		----------------------------------------------------------------------
183		Name: Matthias Blume
184		Date: 2001/03/22 15:10:00 EST
185		Tag: blume-20010322-rawmem-parcm
186		Description:
187
188		1. All "raw memory access" primitives for the new FFI are implemented now
189		(at least on the x86).
190		2. Some further cleanup of CM's parallel make mechanism.
191
192		----------------------------------------------------------------------
193		Name: Matthias Blume
194		Date: 2001/03/19 17:53:00 EST
195		Tag: blume-20010319-parallel
196		Description:
197
198		Parallel make (using compile servers) now works again.
199
200		To this end, CM.stabilize and CMB.make have been modified to work in
201		two passes when compile servers are attached:
202		1. Compile everything, do not perform stabilization; this pass
203		uses compile servers
204		2. Stabilize everything; this pass does not use compile servers
205		If there are no compile servers, the two passes are combined into one
206		(as before).  Splitting the passes increases the inherent parallelism
207		in the dependency graph because the entire graph including all
208		libraries is available at the same time.  This, in turn, improves
209		server utilization.  The downside is that the master process will
210		have to do some extra work after compilation is done (because for
211		technical reasons it must re-read all the binfiles during stabilization).
212
213		----------------------------------------------------------------------
214		Name: Matthias Blume
215		Date: 2001/03/16 12:22:00 EST
216		Tag: blume-20010316-bootfiles
217		Description:
218
219		Created a new set of bootfiles (for your automatic installation convenience).
220
221		----------------------------------------------------------------------
222		Name: Matthias Blume
223		Date: 2001/03/16 11:00:00 EST
224		Tag: blume-20010316-MLTREE-fixup
225		Description:
226
227		This is a minor fixup for an (untagged) earlier commit by Allen.
228		(A file was missing).
229
230		----------------------------------------------------------------------
231		Name: Allen Leung
232		Date: Mon Mar  5 18:54:57 EST 2001
233		Tag: leunga-20010305-cut-support
234
235		1. New support for alternative control-flow in MLTREE.
236		Currently we support
237
238		FLOW_TO(CALL ...., [k1,...,kn])
239
240		This is needed for 'cuts to' in C-- and try/handle-like constructs
241		in Moby
242
243		New assembler flag "asm-show-cutsto" to turn on control-flow debugging.
244
245		2. Register Allocator
246
247		Changes in interface [from Fermin, John]
248
249		3. Alpha 8-bit SLL support [Fermin]
250
251		4. All architectures
252
253		A new module (ClusterExpandCopies) for expanding parallel copies.
254
255		----------------------------------------------------------------------
256		Name: Allen Leung
257		Date: 2001/02/27 23:07:00 EST
258		Tag: leunga-20010227-minor-stuff
259
260		1. Alpha bug fix for CMOVNE
261		2. Handle mltree COND(..,FCMP ...,...)
262		3. Bug fix in simplifier
263
264		----------------------------------------------------------------------
265		Name: Matthias Blume
266		Date: 2001/01/30 17:50:00 EST
267		Tag: blume-20010130-sync
268		Description:
269
270		This is just a minor update to sync my devel branch with the main brach.
271		The only visible change is the addition of some README files.
272
273		----------------------------------------------------------------------
274		Name: Matthias Blume
275		Date: 2001/01/12 23:30:00 JST
276		Tag: blume-20010112-bootfiles
277		Description:
278
279		Made a new set of bootfiles that goes with the current state of the
280		repository.
281
282		----------------------------------------------------------------------
283		Name: Matthias Blume
284		Date: 2001/01/12 21:20:00 JST
285		Tag: blume-20010112-sync
286		Description:
287
288		I am just flushing out some minor changes that had accumulated in
289		my private branch in order to sync with the main tree.  (This is
290		mainly because I had CVS trouble when trying to merge _into_ my
291		private branch.)
292
293		Most people should be completely unaffected by this.
294
295		----------------------------------------------------------------------
296		Name: Allen Leung
297		Date: Thu Jan 11 21:03:00 EST 2001
298		Tag: leunga-20010111-labexp=mltree
299		Description:
300
301		1.  Removed the type LabelExp and replace it by MLTree.
302		2.  Rewritten mltree-simplify with the pattern matcher tool.
303		3.  There were some bugs in alpha code generator which would break
304		64-bit code generation.
305		4.  Redo the tools to generate code with the
306		5.  The CM files in MLRISC (and in src/system/smlnj/MLRISC)
307		are now generated by perl scripts.
308
309		----------------------------------------------------------------------
310		Name: Matthias Blume
311		Date: 2001/01/10 21:55:00 JST
312		Tag: blume-20010110-rcc
313		Description:
314
315		The RCC stuff now seems to work (but only on the x86).
316		This required hacking of the c-calls interface (and -implementation) in
317		MLRISC.
318
319		Normal compiler users should be unaffected.
320
321		----------------------------------------------------------------------
322		Name: Matthias Blume
323		Date: 2001/01/09 01:20:00 JST
324		Tag: blume-20010109-rcc
325		Description:
326
327		This is a fairly big patch, flushing out a large number of pending
328		changes that I made to my development copy over the last couple of days.
329
330		Of practical relevance at this moment is a workaround for a pickling
331		bug that Allen ran into the other day.  The cause of the bug itself is
332		still unknown and it might be hard to fix it properly, but the
333		workaround has some merits of its own (namely somewhat reducing pickling
334		overhead for certain libraries).  Therefore, I think this solution should
335		be satisfactory at this time.
336
337		The rest of the changes (i.e., the vast majority) has to do with my
338		ongoing efforts of providing direct support for C function calls from
339		ML.  At the moment there is a new primop "RAW_CCALL", typing magic
340		in types/cproto.sml (invoked from FLINT/trans/translate.sml), a new
341		case in the FLINT CPS datatype (RCC), changes to cps/convert.sml to
342		translate uses of RAW_CCALL into RCC, and changes to mlriscGen.sml to
343		handle RCC.
344
345		The last part (the changes to mlriscGen.sml) are still known to be
346		wrong on the x86 and not implemented on all other architectures.  But
347		the infrastructure is in place. I had to change a few functor
348		signatures in the backend to be able to route the CCalls interface
349		from MLRISC there, and I had to specialize the mltree type (on the
350		x86) to include the necessary extensions. (The extensions themselves
351		were already there and redy to go in MLRISC/x86).
352
353		Everything should be very happy as soon as someone helps me with
354		mlriscGen.sml...
355
356		In any case, nothing of this should matter to anyone as long as the
357		new primop is not being used (which is going to be the case unless you
358		find it where I hid it :). The rest of the compiler is completely
359		unaffected.
360
361		----------------------------------------------------------------------
362		Name: Matthias Blume
363		Date: 2001/01/05 00:30:00 JST
364		Tag: blume-20010105-primops
365		Description:
366
367		Added some experimental support for work that I am doing right now.
368		These changes mostly concern added primops, but there is also a new
369		experimental C library in the runtime system (but currently not enabled
370		anywhere except on Linux/X86).
371
372		In the course of adding primops (and playing with them), I discovered that
373		Zhong's INL_PRIM hack (no type info for certain primops) was, in fact, badly
374		broken.  (Zhong was very right he labeled this stuff as "major gross hack".)
375		To recover, I made type information in INL_PRIM mandatory and changed
376		prim.sml as well as built-in.sml accordingly.  The InLine structure now
377		has complete, correct type information (i.e., no bottom types).
378
379		Since all these changes mean that we need new binfiles, I also bumped the
380		version number to 110.32.1.
381
382		----------------------------------------------------------------------
383		Name: Matthias Blume
384		Date: 2000/12/30 22:10:00 JST
385		Tag: blume-20001230-various
386		Description:
387
388		Added proxy libraries for MLRISC and let MLRISC libraries refer
389		to each other using path anchors.  (See CM manual for explanation.)
390
391		Updated CM documentation.
392
393		Fixed some bugs in CM.
394
395		Implemented "proxy" libraries (= syntactic sugar for CM).
396
397		Added "-quiet" option to makeml and changed runtime system accordingly.
398
399		Added cleanup handler for exportML to reset timers and compiler stats.
400
401		----------------------------------------------------------------------
402		Name: Lal George
403		Date: 2000/12/22 22:22:58 EST 2000
404		Tag: Release_110_32
405		Description:
406
407		Infinite precision used throughout MLRISC.
408		see MLRISC/mltree/machine-int.sig
409
410		----------------------------------------------------------------------
411		Name: Matthias Blume
412		Date: 2000/12/22 23:16:00 JST
413		Tag: blume-20001222-warn
414		Description:
415
416		Corrected wording and formatting of some CM warning message which I
417		broke in my previous patch.
418
419		----------------------------------------------------------------------
420		Name: Matthias Blume
421		Date: 2000/12/22 21:20:00 JST
422		Tag: blume-20001222-anchorenv
423		Description:
424
425		Fixed CM's handling of anchor environments in connection with CMB.make.
426
427		----------------------------------------------------------------------
428		Name: Matthias Blume
429		Date: 2000/12/22 13:15:00 JST
430		Tag: blume-20001222-cleanup
431		Description:
432
433		Removed src/cm/ffi which does not (and did not) belong here.
434
435		----------------------------------------------------------------------
436		Name: Matthias Blume
437		Date: 2000/12/21 23:55:00 JST
438		Tag: blume-20001221-exn
439		Description:
440
441		Probably most important: CM no longer silently swallows all exceptions
442		in the compiler.
443		Plus: some other minor CM changes.  For example, CM now reports some
444		sizes for generated binfiles (code, data, envpickle, lambdapickle).
445
446		----------------------------------------------------------------------
447		Name: Matthias Blume
448		Date: 2000/12/15 00:01:05 JST
449		Tag: blume-20001215-dirtool
450		Description:
451
452		- "dir" tool added.
453		- improvements and cleanup to Tools structure
454		- documentation updates
455
456		----------------------------------------------------------------------
457		Name: Allen Leung
458		Date: Thu Dec 14 03:45:24 EST 2000
459		Description:
460		Tag:  leunga-20001214-int-inf
461		Description:
462
463		In IntInf, added these standard functions, which are missing from our
464		implementation:
465
466		andb : int * int -> int
467		xorb : int * int -> int
468		orb  : int * int -> int
469		notb : int -> int
470		<<   : int * word -> int
471		~>>  : int * word -> int
472
473		Not tested, I hope they are correct.
474
475		----------------------------------------------------------------------
476		Name: Allen Leung
477		Date: Fri Dec  8 19:23:26 EST 2000
478		Description:
479		Tag:  leunga-20001208-nowhere
480		Description:
481
482		Slight improvements to the 'nowhere' tool to handle OR-patterns,
483		to generate better error messages etc.  Plus a brief manual.
484
485		----------------------------------------------------------------------
486		Name: Lal George
487		Date: 2000/12/08 09:54:02 EST 2000
488		Tag: Release_110_31
489		Description:
490
491		- Version 110.31
492		----------------------------------------------------------------------
493		Name: Allen Leung
494		Date: Thu Dec  7 22:01:04 EST 2000
495		Tag:  leunga-20001207-cell-monster-hack
496		Description:
497
498		Major MLRISC internal changes.  Affect all clients.
499		Summary:
500
501		1.  Type CELLS.cell = int is now replaced by a datatype.
502		As a result, the old regmap is now gone.  Almost all interfaces
503		in MLRISC change as a consequence.
504
505		2.  A new brand version of machine description tool (v3.0) that generates
506		modules expecting the new interface.  The old version is removed.
507
508		3.  The RA interface has been further abstracted into two new functors.
509		RISC_RA and X86RA.  These functors have much simpler interfaces.
510		[See also directory MLRISC/demo.]
511
512		4.  Some other new source->source code generation tools are available:
513
514		a. MLRISC/Tools/RewriteGen -- generate rewriters from rules.
515		b. MLRISC/Tools/WhereGen -- expands conditional pattern matching rules.
516		I use this tool to generate the peephole optimizers---with the new
517		cell type changes, peephole rules are becoming difficult to write
518		without conditional pattern matching.
519
520		5.  More Intmap -> IntHashTable change.  Previous changes by Matthias didn't
521		cover the entire MLRISC source tree so many things broke.
522
523		6.  CM files have been moved to the subdirectory MLRISC/cm.
524		They are moved because there are a lot of them and they clutter up the
525		root dir.
526
527		7.  More detailed documentation to come...
528
529		NOTE: To rebuild from 110.30 (ftp distribution), you'll have to do
530		a makeml -rebuild first.  This is because of other other
531		changes that Matthias has made (see below).
532
533
534		----------------------------------------------------------------------
535		Name: Matthias Blume
536		Date: 2000/11/30 23:12:00 JST
537		Tag: blume-20001130-filereorg
538		Description:
539
540		Some manual updates and some file reorganizations in CM.
541
542		----------------------------------------------------------------------
543		Name: Matthias Blume
544		Date: 2000/11/24 17:45:00 JST
545		Tag: blume-20001124-link
546		Description:
547
548		Drastically improved link traversal code for the case that the dynamic
549		value was already loaded at bootstrap time.  As a result, CM and CMB
550		now both load blazingly fast -- even on a very slow machine.  Also,
551		memory consumption has been further reduced by this.
552
553		Warning: The format of the PIDMAP file has changed.  THerefore, to
554		bootstrap you have to do this:
555
556		1. Run CMB.make
557		2. Make a symbolic link for the boot directory:
558		ln -s sml.boot.ARCH-OS xxx
559		3. "Rebuild" the boot directory:
560		./makeml -boot xxx -rebuild sml ; rm xxx
561		4. Boot normally:
562		./makeml
563
564		----------------------------------------------------------------------
565		Name: Matthias Blume
566		Date: 2000/11/21 21:20:00 JST
567		Tag: blume-20001121-tools
568		Description:
569
570		Continued hacking on autoloading problem -- with success this time.
571		Also changed tool-plugin mechanism.  See new CM manual.
572
573		----------------------------------------------------------------------
574		Name: Matthias Blume
575		Date: 2000/11/19 14:30:00 JST
576		Tag:  blume-20001119-autoload
577		Description:
578
579		Some hacking to make autoloading faster.  Success for CMB, no success
580		so far for CM.  There is a reduced structure CM' that autoloads faster.
581		(This is a temporary, non-documented hack to be eliminated again when
582		the general problem is solved.)
583
584		----------------------------------------------------------------------
585		Name: Matthias Blume
586		Date: 2000/11/17 14:10:00 JST
587		Tag: blume-20001117-pickle-lib
588		Description:
589
590		1. Eliminated comp-lib.cm
591		2. Made pickle-lib.cm
592		3. Eliminated all uses of intset.sml (from comp-lib.cm)
593		4. Replaced all uses of intmap.{sig,sml} (from comp-lib.cm) with
594		equivalent constructs from smlnj-lib.cm (INtHashTable).
595		5. Point 4. also goes for those uses of intmap.* in MLRISC.
596		Duplicated intmap modules thrown out.
597		6. Hunted down all duplicated SCC code and replaced it with
598		equivalent stuff (GraphSCCFn from smlnj-lib.cm).
599		7. Rewrote Feedback module.
600		8. Moved sortedlist.sml into viscomp-lib.cm.  Eventually it
601		should be thrown out and equivalent modules from smlnj-lib.cm
602		should be used (IntRedBlackSet, IntListSet, ...).
603
604		Confirmed that compiler compiles to fixpoint.
605
606		----------------------------------------------------------------------
607		Name: Allen Leung
608		Date: 2000/11/10 18:00:00
609		Tag: leunga-20001110-new-x86-fp
610
611		A new x86 floating point code generator has been added.
612		By default this is turned off.  To turn this on, do:
613
614		CM.autoload "$smlnj/compiler.cm";
615		Compiler.Control.MLRISC.getFlag "x86-fast-fp" := true;
616
617		Changes:
618
619		1.  Changed FTAN to FPTAN so that the assembly output is correct.
620		2.  Changed the extension callback for FTANGENT to generate:
621
622		fptan
623		fstp  %st(0)
624		instead of
625		fptan
626		fstpl ftempmem
627
628		3.  Numerous assembly fixes for x86.
629
630		5.  Cleaned up the machine code output module x86/x86MC.sml and added
631		support for a whole bunch of instructions and addressing modes:
632
633		fadd/fsub/fsubr/fmul/fdiv/fdivr  %st, %st(n)
634		faddp/fsubp/fsubrp/fmulp/fdivp/fdivrp  %st, %st(n)
635		fadd/fsub/fsubr/fmul/fdiv/fdivr  %st(n), %st
636		fiadd/fisub/fisubr/fimul/fidiv/fidivr mem
637		fxch %st(n)
638		fld %st(n)
639		fst %st(n)
640		fst mem
641		fstp %st(n)
642		fucom %st(n)
643		fucomp %st(n)
644
645		All these are now generated when the fast fp mode is turned on.
646
647		6.  Removed the dedicated registers %st(0), ..., %st(7) from X86CpsRegs
648
649		----------------------------------------------------------------------
650		Name: Matthias Blume
651		Date: 2000/11/09 11:20:00 JST
652		Tag: blume-20001109-scc
653		Description:
654
655		Eliminated some code duplication:
656
657		1. Added "where" clause to GraphSCCFn in SML/NJ Library.
658		(Otherwise the functor is useless.)
659		2. Used GraphSCCFn where SCCUtilFun was used previously.
660		3. Got rid of SCCUtilFun (in comp-lib.cm).
661
662		----------------------------------------------------------------------
663		Name: Lal George
664		Date: 2000/11/06 09:02:21 EST 2000
665		Tag: Release_110_30
666		Description:
667
668		- Version 110.30
669		----------------------------------------------------------------------
670		Name: Matthias Blume
671		Date: 2000/11/04 14:45:00
672		Tag: blume-20001104-mlbuild
673		Description:
674
675		- Made ml-build faster on startup.
676		- Documentation fixes.
677
678		----------------------------------------------------------------------
679		Name: Matthias Blume
680		Date: 2000/11/02 17:00:00 JST
681		Tag: blume-20001102-condcomp
682		Description:
683
684		- Small tweaks to pickler -- new BOOTFILES!
685		- Version bumped to 110.29.2.
686		- Added conditional compilation facility to init.cmi (see comment there).
687		----------------------------------------------------------------------
688		Name: Allen Leung
689		Date: 2000/10/23 19:31:00
690		Tag: leunga-20001023-demo-ra
691
692		1. Minor RA changes that improves spilling on x86 (affects Moby and C-- only)
693		2. Test programs for the graph library updated
694		3. Some new MLRISC demo programs added
695
696		----------------------------------------------------------------------
697		Name: Matthias Blume
698		Date: 2000/08/31 22:15:00 JST
699		Tag: blume-20001017-errmsg
700		Description:
701
702		More error message grief: Where there used to be no messages, there
703		now were some that had bogus error regions.  Fixed.
704
705		----------------------------------------------------------------------
706		Name: Matthias Blume
707		Date: 2000/08/31 17:30:00 JST
708		Tag: blume-20001017-v110p29p1
709		Description:
710
711		I made a version 110.29.1 with new bootfiles.
712
713		Changes:  Modified pickler/unpickler for faster and leaner unpickling.
714		CM documentation changes and a small bugfix in CM's error reporting.
715
716		----------------------------------------------------------------------
717		Name: Lal George
718		Date: 2000/09/27 14:42:35 EDT
719		Tag: george-20000927-nodestatus
720		Description:
721
722		Changed the type of the nodestatus, so that:
723
724		SPILLED(~1)             is now SPILLED
725		SPILLED(m) where m>=0   is now MEMREG(m)
726		SPILLED(s) where s<~1   is now SPILL_LOC(~s)
727
728		----------------------------------------------------------------------
729		Name: Matthias Blume
730		Date: 2000/09/07 14:45:00 JST
731		Tag: blume-20000907-cmerrmsg
732		Description:
733
734		Small tweak to CM to avoid getting ML syntax error messages twice.
735
736		----------------------------------------------------------------------
737		Name: Matthias Blume
738		Date: 2000/08/31 18:00:00 JST
739		Tag: blume-20000831-cvsbootfiles
740		Description:
741
742		New URL for boot files (because the 110.29 files on the BL server do
743		now work correctly with my updated install scripts for yacc and lex).
744
745		----------------------------------------------------------------------
746		Name: Matthias Blume
747		Date: 2000/08/08 12:33:00 JST
748		Tag: blume-20000808-manual
749		Description:
750
751		Tiny update to CM manual.
752
753		----------------------------------------------------------------------
754		Name: Allen Leung
755		Date: 2000/08/7 19:31:00
756		Tag: leunga-20000807-a-whole-bunch-of-stuff
757
758		Moby, C--, SSA, x86, machine descriptions etc.  Should only affect C--
759		and Mobdy.
760
761		1.  x86
762
763		a.  Fixes to peephole module by John and Dan.
764		b.  Assembly fix to SETcc by Allen.
765		c.  Fix to c-call by John.
766		d.  Fix to spilling by John.  (This one deals with the missing FSTPT case)
767		e.  Instruction selection optimization to SETcc as suggested by John.
768
769		For example,
770
771		MV(32, x, COND(32, CMP(32, LT, a, b), LI 1, LI 0))
772
773		should generate:
774
775		MOVL a, x
776		SUBL b, x
777		SHRL 31, x
778
779		2.  IR stuff
780
781		A bunch of new DJ-graph related algorithms added.  These
782		speed up SSA construction.
783
784		3.  SSA + Scheduling
785
786		Added code for SSA and scheduling to the repository
787
788		----------------------------------------------------------------------
789		Name: Lal George
790		Date: 2000/07/27 11:53:14 EDT
791
792		Tag: lal-20000727-linux-ppc
793		Description:
794
795		Made changes to support Linux PPC.
796		p.s. I have confirmation that the 110.29 boot files work fine.
797
798		----------------------------------------------------------------------
799		Name: Matthias Blume
800		Date: 2000/07/27 17:40:00 JST
801		Tag: blume-20000727-scripts
802		Description:
803
804		!!!! WARNING !!!!
805		You must recompile the runtime system!
806		!!!! WARNING !!!!
807
808		This is basically another round of script-enhancements:
809
810		1. sml, ml-build, and ml-makedepend accept options -D and -U to define
811		and undefine CM preprocessor symbols.
812
813		2. ml-build avoids generating a new heap image if it finds that the
814		existing one is still ok.  (The condition is that no ML file had to
815		be recompiled and all ML files are found to be older that the heap
816		file.)
817
818		To make this work smoothly, I also hacked the runtime system as
819		well as SMLofNJ.SysInfo to get access to the heap image suffix
820		(.sparc-solaris, ...) that is currently being used.
821
822		Moreover, the signature of CM.mk_standalone has changed.  See the
823		CM manual.
824
825		3. ml-makedepend accepts additional options -n, -a, and -o.  (See the
826		CM manual for details.)
827
828		4. More CM manual updates:
829		- all of the above has been documented.
830		- there is now a section describing the (CM-related) command line
831		arguments that are accepted by the "sml" command
832
833		----------------------------------------------------------------------
834		Name: Matthias Blume
835		Date: 2000/07/25 16:20:00 JST
836		Tag: blume-20000725-makedepend
837		Description:
838
839		Added a script called ml-makedepend.  This can be used in makefiles
840		for Unix' make in a way very similar to the "makedepend" command for
841		C.
842
843		The script internally uses function CM.sources.
844
845		Synopsis:
846
847		ml-makedepend [-f makefile] cmfile targetname
848
849		The default for the makefile is "makefile" (or "Makefile" should
850		"makefile" not exist).
851
852		ml-makedepend adds a cmfile/targetname-specific section to this
853		makefile (after removing the previous version of this section).  The
854		section contains a single dependency specification with targetname on
855		the LHS (targetname is an arbitrary name), and a list of files derived
856		from the cmfile on the RHS.  Some of the files on the RHS are
857		ARCH/OPSYS-specific.  Therefore, ml-makedepend inserts references to
858		"make" variables $(ARCH) and $(OPSYS) in place of the corresponding
859		path names.  The makefile writer is responsible for making sure that
860		these variables have correct at the time "make" is invoked.
861
862		----------------------------------------------------------------------
863		Name: Matthias Blume
864		Date: 2000/07/22 23:30:00 JST
865		Tag: blume-20000722-urlupdate
866		Description:
867
868		Changed BOOT and config/srcarchiveurl to point to BL server:
869
870		ftp://ftp.research.bell-labs.com/dist/smlnj/working/110.29/
871
872		----------------------------------------------------------------------
873		Name: Matthias Blume
874		Date: 2000/07/18 18:00:00 JST
875		Tag: blume-20000718-Version_110_29
876		Description:
877
878		1. Updated src/compiler/TopLevel/main/version.sml to version 110.29
879
880		2. Updated config/version to 110.29
881
882		3. Updated config/srcarchiveurl
883
884		3. New boot files!
885		ftp://ftp.cs.princeton.edu/pub/people/blume/sml/110.29-autofetch
886
887		----------------------------------------------------------------------
888		Name: Matthias Blume
889		Date: 2000/07/11 13:58:00 JST
890		Tag: blume-20000711-doctypo
891		Description:
892
893		Fixed a few typos in CM manual.
894
895		----------------------------------------------------------------------
896		Name: Allen Leung
897		Date: 2000/06/15 00:38:00
898		Tag: leunga-20000704-sparc-x86
899
900		1. x86 peephole improvement sp += k; sp -= k => nop  [from John]
901		2. fix to x86 RET bug [found by Dan Grossman]
902		3. sparc assembly bug fix for ticc instructions [found by Fermin]
903
904		Affects c-- and moby only
905
906		----------------------------------------------------------------------
907		Name: Matthias Blume
908		Date: 2000/07/04 15:26:00
909		Tag: blume-20000704-trigger
910		Description:
911
912		1. Improvements to CM manual.
913		2. SMLofNJ.Internals.BTrace.trigger reinstated as an alternative way
914		of getting a back-trace.  The function, when called, raises an
915		internal exception which explicitly carries the full back-trace history,
916		so it is unaffected by any intervening handle-raise pairs ("trivial"
917		or not).  The interactive loop will print that history once it arrives
918		at top level.
919		Short of having all exceptions implicitly carry the full history, the
920		recommended way of using this facility is:
921		- compile your program with instrumentation "on"
922		- run it, when it raises an exception, look at the history
923		- if the history is "cut off" because of some handler, go and modify
924		your program so that it explicitly calls BTrace.trigger
925		- recompile (still instrumented), and rerun; look at the full history
926
927		----------------------------------------------------------------------
928		Name: Matthias Blume
929		Date: 2000/07/03 15:36:00 JST
930		Tag: blume-20000702-manual
931		Description:
932
933		Small corrections and updates to CM manual.
934
935		----------------------------------------------------------------------
936		Name: Matthias Blume
937	Date: 2000/06/29 16:04:00 JST	Date: 2000/06/29 16:04:00 JST
938	Tag: blume-20000629-yacctool	Tag: blume-20000629-yacctool
939	Description:	Description:

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