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<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
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<html>
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<head>
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<title>SML/NJ Version 110.33 NEWS</title>
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</head>
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<body bgcolor="white">
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<center><h1>Standard ML of New Jersey<BR>
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Version 110.33, May 23, 2001</h1>
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</center>
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<center>
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<a href=http://cm.bell-labs.com/cm/cs/what/smlnj/index.html>
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Home page</a>
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</center>
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<blockquote>
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<center>
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<h2> Warning </h2>
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</center>
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<blockquote>
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<blockquote>
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<em>
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This version is intended for compiler hackers. The
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version ought to be quite stable, however we have not run
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our full regression testing.
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</em>
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</blockquote>
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</blockquote>
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<hr>
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<center><h2>Summary:</h2></center>
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This version should build under Mac OS X.
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<p>
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This version is being used to introduce the new experimental C FFI
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(currently only available for x86/Linux) and to check point a number
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of changes to MLRISC.
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<p>
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The CKIT is now part of the release because it is needed for ml-nlffigen.
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<p>
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In support of the C FFI, the new $/c.cm library (from src/ml-nlffi-lib)
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implements an encoding of the C type system in ML. It receives help
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from the ml-nlffigen glue code generator (from src/ml-nlffigen) which
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transforms C source input into corresponding ML glue code.
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<p>
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The compiler has been modified to support the C FFI.
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<p>
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There are various bugfixes and some organizational changes.
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<hr>
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<center><h3>Mac OS X </h3></center>
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<ol>
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<li>This version should build under the new Apple <tt>Mac OS X </tt>
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operating system.
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</ol>
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<hr>
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<center><h3>MLRISC</h3></center>
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<ol>
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<p><li> infinite precision throughout
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<p><li> support for virtual frame pointers ("<tt>omit-frame-pointer</tt>")
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(This was needed for a correct implementation of raw C calls,
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but it should also come in handy for clients of MLRISC other
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than SML/NJ. Currently x86 only.)
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<p><li> see the <a href=http://cm.bell-labs.com/cm/cs/what/smlnj/compiler-notes>
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omit-frame-pointer notes</a>
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<p><li> support for alternative control-flow in MLTREE
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<p><li> other API changes
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<p><li> bug fixes
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</ol>
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<hr>
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<center><h3>CM</h3></center>
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<ol>
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<p><li> "lambdasplit" parameter for class "sml" to control status and
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aggressiveness of cross-module inlining
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<p><li> parallel make now works again
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<p><li> "proxy libraries"
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<p><li> other bug fixes
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</ol>
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<hr>
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<center><h3>CKIT</h3></center>
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<ol>
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<li> The ckit source tree is now part of the SML/NJ distribution.
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</ol>
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<hr>
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<center><h3>compiler</h3></center>
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<ol>
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<p><li> bug fixes (e.g., dead-up logic in cpsopt/contract.sml)
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<p><li> lambda-split phase now in the optimization pipeline by default
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control via Compiler.Control.LambdaSplitting.* (and/or via CM)
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<p><li> compiler now aware of certain offsets in runtime-system data
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structures to be able to generate code for raw C calls
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<p><li> added raw memory access primops and a primop for raw C calls
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and handled them throughout the compiler
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<p><li> prim.sml now has correct types for all primops
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</ol>
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<hr>
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<center><h3>ML-NLFFI</h3></center>
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<ol>
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<p><li> two source trees in support of the new NLFFI ("no-longer foreign
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function interface") added:
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<pre>
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src/ml-nlffi-lib --- support library
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src/ml-nlffigen --- glue code generator
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</pre>
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<p><li> some preliminary documentation under src/ml-nlffi-lib/Doc
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(The tar file for this will be retrieved only if you enable
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ml-nlffi-lib in config/targets. Be sure to do this only on
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x86/Linux platforms, though. If you use a different platform
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and want to look at the source or the documentation, fetch
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the tar file by hand.)
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</ol>
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<hr>
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<center><h3>smlnj-lib</h3></center>
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<ol>
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<li>Some API cleanup and bug fixes
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</ol>
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<hr>
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<center><h3>runtime</h3></center>
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<ol>
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<p><li> dlopen and friends added (currently x86/Linux only)
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<p><li> changes to vproc-state.h to support efficient signal handling
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by new raw C call mechanism
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<p><li> support for Mac OS X; Darwin
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</ol>
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<hr>
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<center><h3>overall organization</h3></center>
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<ol>
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<li>Use CM "proxy libraries" where possible
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</ol>
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<hr>
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<center><h3>scripts</h3></center>
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<ol>
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<p><li> various bug fixes to config/install.sh
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<p><li> config/install.sh now knows about ckit, ml-nlffi-lib, and ml-nlffigen
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<p><li> config/install.sh will use config/targets.customized if it exist
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(falls back to config/targets if not)
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<p><li> makeml verbosity level controllable via MAKEML_VERBOSITY
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or command line switch
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</ol>
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<hr>
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<font size=-2>
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<address><a href="mailto:george@research.bell-labs.com">
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Lal George</a></address>
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<!-- Created: Thu Aug 6 00:13:09 EDT 1998 -->
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<!-- hhmts start -->
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Last modified: Thu May 24 11:27:19 EDT 2001
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<!-- hhmts end -->
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</font>
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</blockquote>
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</body>
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</html>
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