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Author SHA1 Message Date
Gareth Rees
f2776dc0b4 Can't use checkd_nosig(tree, ...) because treeempty is null. 
arena->enabledMessageTypes might be NULL.

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 Change: 185271
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 2014-04-07 10:14:40 +01:00
Gareth Rees
d3d2795fce Improve control over checking: 
1. Where Type is a pointer type with a signature, replace CHECKL(TypeCheck(val)) with CHECKD(Type, val).
2. Where Type is a pointer type with no signature, replace CHECKL(TypeCheck(val)) with CHECKD_NOSIG(Type, val).
3. Where Type is a pointer type with a signature, but the structure is not visible at point of checking, replace CHECKL(TypeCheck(val)) with CHECKD_NOSIG(Type, val). Reference <design/check/#.hidden-type>
4. Make BTCheck extern and use it where possible.
5. Replace AVER(TypeCheck(val)) with AVERT(Type, val).

Copied from Perforce
 Change: 185263
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 2014-04-06 22:51:05 +01:00
Gareth Rees
9d5266c0cc Improved support for pelles c: 
* Refactor nmake files so that a compiler-specific makefile is included; move Microsoft Visual C-specific options to mv.nmk.
* Add nmake files for Pelles (w3i3pc.nmk and pc.nmk).
* Rename spw3i3mv.c to spw3i3.c and spw3i6mv.c to spw3i6.c since these are also used by Pelles C.
* Make reasonable changes to the source code to avoid warnings from Pelles C:
** check results of function calls;
** avoid useless return values;
** undef max before defining it;
** ensure printf formats are checkable;
** move notreached() assertions to the end of blocks;
** suppress warnings in cases where the code shouldn't be changed ("Unreachable code", "Inline assembly code is not portable", "Structured Exception Handling is not portable").

Copied from Perforce
 Change: 184977
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 2014-03-24 18:23:29 +00:00
Richard Brooksby
1e8eec530b Catch-up merge from branch/2014-02-22/splay-tune to pick up code review changes. 
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 Change: 184727
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 2014-03-11 16:07:19 +00:00
Richard Brooksby
4e28809e4a Responding to code review. see <https://info.ravenbrook.com/mail/2014/03/04/12-02-27/0/>. 
Copied from Perforce
 Change: 184669
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 2014-03-07 15:00:54 +00:00
Richard Brooksby
d8362f2cad Merging branch/2014-02-22/splay-tune to pick up splay tree improvements. 
Copied from Perforce
 Change: 184606
 ServerID: perforce.ravenbrook.com
 2014-02-28 14:27:40 +00:00
Richard Brooksby
31b493236c Reinstating exhaustive splay tree search, since a tree or node may intersect a requested zone set, and be larger than a requested size, but still not satisfy a request. 
Copied from Perforce
 Change: 184594
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 2014-02-28 10:52:45 +00:00
Richard Brooksby
1ef160e7b1 Reverting exhaustive search in splayfindfirst and splayfindlast since zoned cbs will use an accurate test on the cbs block zones property, and this code will never be exercised. 
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 Change: 184588
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 2014-02-28 00:47:42 +00:00
Richard Brooksby
6b17c88c69 Implementing splayfindlast to match splayfindfirst. oops. 
Copied from Perforce
 Change: 184578
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 2014-02-27 16:03:55 +00:00
Richard Brooksby
dc4652b271 Minor tweaks to comments. 
Copied from Perforce
 Change: 184550
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 2014-02-26 13:00:07 +00:00
Richard Brooksby
4ef9c96411 Moving and updating most of the usage documentation from the design document to the source code. design documentation should contain justification of design decisions, not a user manual. 
Copied from Perforce
 Change: 184547
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 2014-02-26 01:39:10 +00:00
Richard Brooksby
59334b5e4f Updating copyright dates. 
Copied from Perforce
 Change: 184510
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 2014-02-23 13:54:07 +00:00
Richard Brooksby
8eb1c7b647 Making splaysplit and splayassemble general so that they can be used easily. 
Copied from Perforce
 Change: 184452
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 2014-02-23 12:18:18 +00:00
Richard Brooksby
bcdce5b35d Returning the results of splitting in a structure so that it’s easier to pass them on to assemble. 
Copied from Perforce
 Change: 184451
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 2014-02-23 12:10:52 +00:00
Richard Brooksby
42a8ffbe6a Removing unnecessary case of splaying empty trees. 
Copied from Perforce
 Change: 184450
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 2014-02-23 11:52:21 +00:00
Richard Brooksby
1ac9877082 Adding a signature to splay tree structure. miscellaneous documentation and naming clean-up. 
Copied from Perforce
 Change: 184448
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 2014-02-23 10:41:15 +00:00
Richard Brooksby
29cba255f2 Pointer-reversing splay and assemble to avoid double traversal of side tree spines in the update case. 
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 Change: 184447
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 2014-02-23 10:41:15 +00:00
Richard Brooksby
96be04cb42 Lifting zig and zag cases into common prefix to shorten splaysplit. a few percent faster. 
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 Change: 184446
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 2014-02-23 10:41:15 +00:00
Richard Brooksby
660c0821d6 Moving downward splay updates to after side tree linkage, allowing the optimiser to do a better job. produces about 10% speedup: xc/release/djbench -x 1234 --sshift 8 mvff 
Copied from Perforce
 Change: 184445
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 2014-02-23 10:41:15 +00:00
Richard Brooksby
4e1d9e6a96 Optimising splaytreeneighbours by observing that once one neighbour is found, the other neighbour is already in our hand in one of the side trees. this reduces the number of splays when coalescing. 
Copied from Perforce
 Change: 184443
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 2014-02-23 10:41:15 +00:00
Richard Brooksby
d48028902e Specialising left and right splay tree searches where no comparisons are necessary. 
Copied from Perforce
 Change: 184442
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 2014-02-23 10:41:15 +00:00
Richard Brooksby
17b72c3052 Adding tree integrity check debugging function. 
Copied from Perforce
 Change: 184441
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 2014-02-23 10:41:15 +00:00
Richard Brooksby
fee5ac310e Eliminating redundant passing of tree keys by adding a method to extract the key from a tree node. 
Copied from Perforce
 Change: 184440
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 2014-02-23 10:41:15 +00:00
Richard Brooksby
2bb859f62b Avoid dropping children of found node in non-update case. oops. 
Copied from Perforce
 Change: 184439
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 2014-02-23 10:41:15 +00:00
Richard Brooksby
f951709e99 Lifting out pointer-reversed updates. 
Copied from Perforce
 Change: 184438
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 2014-02-23 10:41:15 +00:00
Richard Brooksby
93a0ffe8ee Generalising pointer reversal of tree spines. 
Copied from Perforce
 Change: 184437
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 2014-02-23 10:41:15 +00:00
Richard Brooksby
35ab73ab4a Reducing excessive punctuation and removing unnecessary goto cases in splaysplay. 
Copied from Perforce
 Change: 184436
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 2014-02-23 10:41:15 +00:00
Richard Brooksby
6eef655629 Avoiding general compare when searching for first and last nodes in a tree. 
Copied from Perforce
 Change: 184435
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 2014-02-23 10:41:15 +00:00
Richard Brooksby
6219c50ca1 Fixing splaytreefind on empty tree. oops. 
Regression test: xc/Debug/fbmtest 215526357

Copied from Perforce
 Change: 184434
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 2014-02-23 10:41:15 +00:00
Richard Brooksby
5cdcef0154 Splaysplay returns a compare to indicate the relationship of the new tree root to the key, eliminating some redundant tests, and making it more like treefind. 
Allowing SplayTreeNext to deal with modification during iteration, so that iteration can be used to delete trees, for example.

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 Change: 184433
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 2014-02-23 10:41:15 +00:00
Richard Brooksby
15c5b6dfc5 Fixing abuses of res and resfail in the splay tree interface. 
Copied from Perforce
 Change: 184432
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 2014-02-23 10:41:15 +00:00
Richard Brooksby
6bc35c5ca0 Generalising splayrotate operations into treerotates. 
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 Change: 184431
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 2014-02-23 10:41:15 +00:00
Richard Brooksby
c446abda38 Replacing null with treeempty where that is intended. 
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 Change: 184430
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 2014-02-23 10:41:15 +00:00
Richard Brooksby
d04f3c0bc4 Distinguishing tree keys (treekey) from generic void *. 
Copied from Perforce
 Change: 184429
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 2014-02-23 10:41:15 +00:00
Richard Brooksby
27373efc5c Unifying splaycomparemethod with treecompare. 
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 Change: 184428
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 2014-02-23 10:41:15 +00:00
Richard Brooksby
a6d87c91a8 Simplifying splay tree update prototype and removing special null case. 
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 Change: 184427
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 2014-02-23 10:41:15 +00:00
Richard Brooksby
2e5ca2df04 Replacing splaynode with tree generally. 
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 Change: 184426
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 2014-02-23 10:41:15 +00:00
Richard Brooksby
85b11f7b55 Replacing splaynodestruct with treestruct and basic tree navigation operations in the splay tree implementation. 
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 Change: 184425
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 2014-02-23 10:41:15 +00:00
Richard Brooksby
deb3237c44 Allowing splayfindfirst to continue to search even if the treetest is not precise, allowing the arena allocator to search for free areas using a zone preference. 
Copied from Perforce
 Change: 184129
 ServerID: perforce.ravenbrook.com
 2014-01-26 14:01:37 +00:00
Richard Brooksby
61890da12b Fixing up occurences of "unsigned long" in the main mps and test code so that we no longer assume that "unsigned long" is large enough for a pointer or size, or that it's the longest available integer type, since these are not true on 64-bit windows. 
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 Change: 178021
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 2012-04-23 16:20:40 +01:00
Richard Brooksby
382d044e97 Cbs and splay now pass size through as closure parameters, rather than messing with unsigned long. 
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 Change: 177816
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 2012-03-27 17:15:25 +01:00
Richard Kistruck
445b3e6f51 Mps sort out baroque check macros (mainly config.h and check.h) 
See job001248.  Should be source-only change.  Details:

  CheckNONE,SHALLOW,DEEP -->> CheckLevelMINIMAL,SHALLOW,DEEP
  [PROD_]CHECK_DEFAULT -->> [PROD_]CHECKLEVEL_INITIAL
  CHECK[_NONE] -->> AVER_AND_CHECK[_NONE]

And add some comments.

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 Change: 161210
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 2006-12-13 14:45:49 +00:00
Richard Kistruck
09cf54c122 Split-asserts: where an aver or checkl has two failure modes combined 
with &&, split it into two AVERs or CHECKLs.  

Copied from Perforce
 Change: 155170
 ServerID: perforce.ravenbrook.com
 2005-09-30 10:50:48 +01:00
Richard Brooksby
e854cd8e1d Merging branch mps/2002-05-22/open-source-prep. 
Making some new files consistent with changes from that branch.
Deleting some new Global Graphics confidential files.

Copied from Perforce
 Change: 30256
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 2002-06-18 16:19:34 +01:00
Nick Barnes
6a1a360814 Integrate changes from global graphics. 
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 Change: 30250
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 2002-06-18 14:14:55 +01:00
Richard Brooksby
78ef580722 Eliminating "impl" type tags and replacing them with uri-style file references. 
Copied from Perforce
 Change: 29900
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 2002-06-07 17:34:59 +01:00
Richard Brooksby
97075f7053 Updating cross references to design documents to html style, to go with master/design document tree. 
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 Change: 29897
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 2002-06-07 16:47:14 +01:00
Richard Brooksby
a0f676c8e1 Adding forward reference to licenses from copyright notices. 
Adding licenses to a couple of files I missed.

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 Change: 29837
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 2002-06-06 11:56:19 +01:00
Richard Brooksby
4301a6db0a Adding licenses to source code files. 
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 Change: 29836
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 2002-06-06 11:44:23 +01:00
Nick Barnes
db4b3a6fa5 Remove trailing whitespace. 
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 Change: 25309
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 2001-12-17 15:18:17 +00:00