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91 commits

Author SHA1 Message Date
Gareth Rees
aabe4992eb Compile out statistic declarations in non-statistical varieties (at the cost of some syntax checking). 
Add some missing STATISTIC guards where statistics are used.
Add design documentation.
Avoid unnecessary distinction between STATISTIC and STATISTIC_STAT (both result in statements).

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 Change: 191178
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 2016-04-16 12:07:10 +01:00
Gareth Rees
77b12d3ee7 Catch-up merge from master sources to branch/2014-10-11/snc. 
Copied from Perforce
 Change: 191065
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 2016-04-13 13:07:19 +01:00
Richard Brooksby
845e66778d Fixing horrible intialization of segment class by poking before calling seginit. 
Copied from Perforce
 Change: 190694
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 2016-04-04 23:28:28 +01:00
Richard Brooksby
a53339fed3 Protecting some segment accessor macros with rvalue. 
Removing duplicate definition of SegPoolRing.

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 Change: 190642
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 2016-04-02 15:53:57 +01:00
Richard Brooksby
dc5632de9a Fixing default behaviour for merging segments with differing summaries and therefore write barriers. 
Copied from Perforce
 Change: 190629
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 2016-04-02 09:18:58 +01:00
Richard Brooksby
cae4514c1b Merging branch/2016-03-13/defer-write-barrier into master sources. 
Copied from Perforce
 Change: 190380
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 2016-03-24 12:07:20 +00:00
Richard Brooksby
33b28efbdb Responding to review by nb <https://info.ravenbrook.com/mail/2016/03/22/17-19-03/0/>. 
Copied from Perforce
 Change: 190349
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 2016-03-23 17:31:59 +00:00
Richard Brooksby
0f3a469fa7 Responding to review by gdr <https://info.ravenbrook.com/mail/2016/03/21/21-05-49/0/>. 
Copied from Perforce
 Change: 190336
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 2016-03-23 14:23:14 +00:00
Richard Brooksby
f8a79ec8e4 Added discussion of when it might be good to resume the mutator early in design.mps.shield.improv.resume. 
Copied from Perforce
 Change: 190329
 ServerID: perforce.ravenbrook.com
 2016-03-23 13:11:19 +00:00
Richard Brooksby
7a7913786c Responding to review by gdr <https://info.ravenbrook.com/mail/2016/03/21/20-20-15/0/>. 
Copied from Perforce
 Change: 190307
 ServerID: perforce.ravenbrook.com
 2016-03-22 16:32:10 +00:00
Richard Brooksby
5e62e27402 Fixing splitting and merging for queued segments. 
Copied from Perforce
 Change: 190228
 ServerID: perforce.ravenbrook.com
 2016-03-20 01:22:15 +00:00
Richard Brooksby
b97bd74013 Renaming shield cache to shield queue. 
Copied from Perforce
 Change: 190220
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 2016-03-20 00:46:59 +00:00
Richard Brooksby
ff69c9af04 Separating flag for segment in shield cache from depth, clarifying code and optimising segfree somewhat. 
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 Change: 190194
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 2016-03-19 13:42:09 +00:00
Richard Brooksby
2c69ff0ce5 Avoid shield flush when finishing a segment that isn't in the cache. 
Copied from Perforce
 Change: 190193
 ServerID: perforce.ravenbrook.com
 2016-03-19 10:19:14 +00:00
Richard Brooksby
9172773f9c Updating shield design and actually checking invariants in code. 
Copied from Perforce
 Change: 190192
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 2016-03-19 10:15:10 +00:00
Richard Brooksby
7ab4a5c7cf Catch-up merge from master sources to branch/2016-03-13/defer-write-barrier. 
Copied from Perforce
 Change: 190175
 ServerID: perforce.ravenbrook.com
 2016-03-17 20:14:47 +00:00
Richard Brooksby
07987ab579 Eliminating withreservoirpermit and all its variants. 
Copied from Perforce
 Change: 190005
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 2016-03-13 21:04:01 +00:00
Richard Brooksby
ca73a994c0 Simplifying segsetsummary by not requiring it to calculate the previous shield mode. 
Copied from Perforce
 Change: 189963
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 2016-03-13 14:09:38 +00:00
Richard Brooksby
47dbed0eee Tidying up naming of write barrier deferral. 
Copied from Perforce
 Change: 189960
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 2016-03-13 13:26:24 +00:00
Richard Brooksby
06af849502 Integrating write barrier deferral changes from branch/2014-08-18/non-incremental. 
p4 integrate branch/2014-08-18/non-incremental/...@186975,186988 branch/2016-03-13/defer-write-barrier/...

Copied from Perforce
 Change: 189943
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 2016-03-13 11:27:21 +00:00
Gareth Rees
c2d38c9714 New function segbufferscanlimit replaces sncscanlimit and can also be used in amc. suggested by rb in review <https://info.ravenbrook.com/mail/2015/09/21/14-13-55/0/> 
Copied from Perforce
 Change: 188350
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 2015-09-22 21:11:58 +01:00
Gareth Rees
1710a3bb97 Prefer avert(type, value) to aver(typecheck(value)). 
Copied from Perforce
 Change: 188157
 ServerID: perforce.ravenbrook.com
 2015-08-21 11:14:27 +01:00
Gareth Rees
f3cf67c792 New constant rankmin gives the minimum rank. use this (rather than 0 or rankambig) to better express the intention. 
Copied from Perforce
 Change: 187156
 ServerID: perforce.ravenbrook.com
 2014-10-07 22:31:12 +01:00
Gareth Rees
c968255f1e Ensure that code of the form if (condition) statement; is split over two lines, so that it is possible to set a breakpoint on the statement in a debugger. 
This change was agreed in 1997 (see <https://info.ravenbrook.com/project/mps/mail/1997/08/19/13-44/0.txt>), so it's about time it was implemented.

Copied from Perforce
 Change: 187071
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 2014-09-27 22:57:02 +01:00
Gareth Rees
1f517274f3 Cast all arguments to the writef function to make it easy to check that none of the necessary casts have been omitted. 
New macro WriteFYesNo makes it easy to describe a Boolean.
Describe more structure elements for ABQ, Arena, Buffer, Format, MFS, Root, Seg.

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 Change: 187063
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 2014-09-27 12:49:30 +01:00
Gareth Rees
7c2e271e60 Rename segpref to locuspref -- this structure describes preferences for the placement of any kind of address, not just segments. 
Add LocusPrefDescribe and use it in MVFFDescribe.

Copied from Perforce
 Change: 187061
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 2014-09-27 11:27:00 +01:00
David Lovemore
b4460043e6 Added more control over write barrier. in particular separated scans after a hit. 
Copied from Perforce
 Change: 186988
 ServerID: perforce.ravenbrook.com
 2014-08-27 11:21:18 +01:00
David Lovemore
46d723c9dc Added experimental control over write barrier eagerness. 
The write barrier is only raised after three unnecessary scans.

Copied from Perforce
 Change: 186975
 ServerID: perforce.ravenbrook.com
 2014-08-21 15:53:57 +01:00
David Lovemore
8c9353fe34 Add mps_key_arena_incremental option. 
Avoid read and write barrier in non-incremental mode.
Add --non-incremental option to gcbench

Copied from Perforce
 Change: 186969
 ServerID: perforce.ravenbrook.com
 2014-08-20 13:03:20 +01:00
Gareth Rees
8b012960dc Some assertions with && crept back in. split them up so that we get as much information as possible from an assertion failure. 
Copied from Perforce
 Change: 186577
 ServerID: perforce.ravenbrook.com
 2014-06-13 15:52:50 +01:00
Gareth Rees
a13a1aa1df Catch-up merge from master sources @186564 to branch/2014-06-11/grain. 
Copied from Perforce
 Change: 186572
 ServerID: perforce.ravenbrook.com
 2014-06-13 15:30:46 +01:00
Gareth Rees
9268a0adc8 Catch-up merge from master sources @186528 to branch/2014-04-15/mvffnoseg. 
Copied from Perforce
 Change: 186534
 ServerID: perforce.ravenbrook.com
 2014-06-12 15:59:39 +01:00
Gareth Rees
cb629746ea Catch-up merge from masters sources @186519 to branch/2014-04-17/describe. 
Copied from Perforce
 Change: 186526
 ServerID: perforce.ravenbrook.com
 2014-06-12 13:45:22 +01:00
Gareth Rees
bfb0b771dd Rename "arena alignment" to "arena grain size" to avoid confusion with ordinary structure alignment. 
Copied from Perforce
 Change: 186503
 ServerID: perforce.ravenbrook.com
 2014-06-11 17:13:03 +01:00
Gareth Rees
a08139899f Catch-up merge from master sources @186481 to branch/2014-04-15/mvffnoseg. 
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 Change: 186484
 ServerID: perforce.ravenbrook.com
 2014-06-11 12:42:58 +01:00
Gareth Rees
3f98a87c2e Remove unused pool class attributes. 
Bring method descriptions up to date in pool class design.

Copied from Perforce
 Change: 186446
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 2014-06-08 19:54:24 +01:00
Gareth Rees
06088f0fb7 Segfindaboveaddr is no longer used. 
Copied from Perforce
 Change: 186200
 ServerID: perforce.ravenbrook.com
 2014-05-19 20:20:09 +01:00
Gareth Rees
4d10bb418b Catch-up merge from master sources @186077 to branch/2014-04-23/awl. 
Copied from Perforce
 Change: 186110
 ServerID: perforce.ravenbrook.com
 2014-05-15 10:17:41 +01:00
Gareth Rees
7b5411c4f7 Catch-up merge from master sources @186035 to branch/2014-03-25/ansi. 
Copied from Perforce
 Change: 186040
 ServerID: perforce.ravenbrook.com
 2014-05-12 18:42:33 +01:00
Gareth Rees
5250959005 Fix problems identified in nb's review <https://info.ravenbrook.com/mail/2014/05/12/15-10-13/0/>. 
Copied from Perforce
 Change: 186038
 ServerID: perforce.ravenbrook.com
 2014-05-12 18:22:40 +01:00
Gareth Rees
30f37732a9 Catch-up merge from master sources @185999 to branch/2014-04-17/describe. 
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 Change: 186003
 ServerID: perforce.ravenbrook.com
 2014-05-11 18:33:02 +01:00
Gareth Rees
c77c91056d Consistent order stream, depth. 
Copied from Perforce
 Change: 186001
 ServerID: perforce.ravenbrook.com
 2014-05-11 18:30:23 +01:00
Gareth Rees
2493f121dc Correct indentation of describe output by passing depth parameter to describe functions and to writef. 
Call Describe functions from test cases so that we get coverage.

Copied from Perforce
 Change: 186000
 ServerID: perforce.ravenbrook.com
 2014-05-11 18:20:38 +01:00
Gareth Rees
3a6a9e1101 Fix compilation of seg.c. 
1. "#ifdef CHECKLEVEL > CheckLevelMINIMAL" was bogus: the #ifdef should have been #if, but even then it would not be right, because in the CHECKLEVEL_DYNAMIC configuration, CHECKLEVEL is a variable rather than a preprocessor constant. So use the condition defined(AVER_AND_CHECK_ALL) instead.
2. The final CHECKL(addr == seg->limit) only makes sense if the loop was executed.
3. The variables used by the loop need to be inside the #if to avoid warnings about unused variables.
4. Add reference to the job from a comment.

Copied from Perforce
 Change: 185992
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 2014-05-10 09:44:25 +01:00
David Lovemore
4c52e0390b Only include tract loop ion segcheck when check level > minimal. 
This is to speed up SegCheck in HOT variety.

Copied from Perforce
 Change: 185971
 ServerID: perforce.ravenbrook.com
 2014-05-06 12:19:06 +01:00
Gareth Rees
d1b44a4f05 Back out change 185626 (violates the design.mps.writef.snazzy). 
Copied from Perforce
 Change: 185941
 ServerID: perforce.ravenbrook.com
 2014-05-02 12:44:31 +01:00
Gareth Rees
2f4d1c8cd4 Catch-up merge from master sources to branch/2014-03-25/ansi. 
Copied from Perforce
 Change: 185907
 ServerID: perforce.ravenbrook.com
 2014-04-30 16:51:30 +01:00
Gareth Rees
0a4c4fcaa6 Fix problems identified by dl in <https://info.ravenbrook.com/mail/2014/04/30/12-47-23/0/>. 
Copied from Perforce
 Change: 185897
 ServerID: perforce.ravenbrook.com
 2014-04-30 15:24:26 +01:00
Gareth Rees
32416cc272 Better names for poolgen functions. 
Accounting for segment splitting and merging.
Accounting for allocation and freeing in segsmss.

Copied from Perforce
 Change: 185894
 ServerID: perforce.ravenbrook.com
 2014-04-30 13:49:26 +01:00
David Lovemore
70c0cb9a94 Rename bool(v) to boolof(v) to fix clash with the windows header file windows.h 
Copied from Perforce
 Change: 185841
 ServerID: perforce.ravenbrook.com
 2014-04-28 13:14:04 +01:00