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Diff of /sml/trunk/HISTORY

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revision 1003, Fri Dec 7 02:45:32 2001 UTC revision 1029, Fri Jan 18 21:42:35 2002 UTC
# Line 11  Line 11 
11  Date: yyyy/mm/dd  Date: yyyy/mm/dd
12  Tag: <post-commit CVS tag>  Tag: <post-commit CVS tag>
13  Description:  Description:
14    
15    ----------------------------------------------------------------------
16    Name: Matthias Blume
17    Date: 2002/01/18
18    Tag: blume-20020118-more-ffifiddle
19    Description:
20    
21    Today's FFI fiddling:
22    
23      - Provided a structure CGetSet with "convenient" versions of C.Get.* and
24        C.Set.* that use concrete (MLRep.*) arguments and results instead
25        of abstract ones.
26    
27      - Provided word-style bit operations etc. for "int" representation
28        types in MLRep.S<Foo>Bitops where <Foo> ranges over Char, Int, Short,
29        and Long.
30    
31    ----------------------------------------------------------------------
32    Name: Matthias Blume
33    Date: 2002/01/18
34    Tag: blume-20020118-use-x86-fp
35    Description:
36    
37    Now that x86-fast-fp seems to be working, I turned it back on again
38    by default.  (Seems to work fine now, even with the FFI.)
39    
40    Other than that, I added some documentation about the FFI to
41    src/ml-nlffigen/README and updated the FFI test examples in
42    src/ml-nlffi-lib/Tests/*.
43    
44    ----------------------------------------------------------------------
45    Name: Allen Leung
46    Date: 2002/01/17
47    Tag: leunga-20020117-x86-fast-fp-call
48    Description:
49    
50       1. Fixed a problem with handling return fp values when x86's fast fp
51          mode is turned on.
52    
53       2. Minor pretty printing fix for cellset.  Print %st(0) as %st(0) instead
54          of %f32.
55    
56       3. Added a constructor INT32lit to the ast of MLRISC tools.
57    
58    ----------------------------------------------------------------------
59    Name: Matthias Blume
60    Date: 2002/01/16
61    Tag: blume-20020116-ffifiddle
62    Description:
63    
64    More fiddling with the FFI interface:
65    
66     - Make constness 'c instead of rw wherever possible.  This eliminates
67       the need for certain explicit coercions.  (However, due to ML's
68       value polymorphism, there will still be many cases where explicit
69       coercions are necessary.  Phantom types are not the whole answer
70       to modeling a subtyping relationship in ML.)
71    
72     - ro/rw coersions for pointers added.  (Avoids the detour through */&.)
73    
74     - "printf" test example added to src/ml-nlffi-lib/Tests.  (Demonstrates
75       clumsy workaround for varargs problem.)
76    
77    ----------------------------------------------------------------------
78    Name: Lal George
79    Date: 2002/01/15
80    Tag: <none>
81    Description:
82    
83    1. Since COPY instructions are no longer native to the architecture,
84       a generic functor can be used to implement the expandCopies function.
85    
86    2. Allowed EXPORT and IMPORT pseudo-op declarations to appear inside a
87       TEXT segment.
88    
89    ----------------------------------------------------------------------
90    Name: Matthias Blume
91    Date: 2002/01/15
92    Tag: blume-20020115-ffiupdates
93    Description:
94    
95    1. Fix for bug resulting in single-precision float values being returned
96       incorrectly from FFI calls.
97    
98    2. Small modifications to C FFI API:
99    
100        - memory-allocation routines return straight objects (no options)
101          and raise an exception in out-of-memory situations
102        - unsafe extensions to cast between function pointers and pointers
103          from/to ints
104        - added structure C_Debug as an alternative to structure C where
105          pointer-dereferencing (|*| and |*!) always check for null-pointers
106        - added open_lib' to DynLinkage;  open_lib' works like open_lib
107          but also takes a (possibly empty) list of existing library handles
108          that the current library depends on
109    
110    ----------------------------------------------------------------------
111    Name: Matthias Blume
112    Date: 2002/01/10
113    Tag: blume-20020110-newffigen
114    Description:
115    
116    1. Updates to portable graph code.
117    
118    2. Major update to ml-nlffigen and ml-nlffi-lib.  Things are much
119       more scalable now so that even huge interfaces such as the one
120       for GTK compile in finite time and space. :-)
121       See src/ml-nlffigen/README for details on what's new.
122    
123    ----------------------------------------------------------------------
124    Name: Lal George
125    Date: 2001/01/09 14:31:35 EST 2002
126    Tag: george-20011206-rm-native-copy
127    Description:
128    
129            Removed the native COPY and FCOPY instructions
130            from all the architectures and replaced it with the
131            explicit COPY instruction from the previous commit.
132    
133            It is now possible to simplify many of the optimizations
134            modules that manipulate copies. This has not been
135            done in this change.
136    
137  ----------------------------------------------------------------------  ----------------------------------------------------------------------
138  Name: Lal George  Name: Lal George
139  Date: 2001/12/06 16:50:13 EST 2001  Date: 2001/12/06 16:50:13 EST 2001

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