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S M L / N J
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1 1 0 . 3 3 N E W S
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May 23, 2001
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WARNING
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This version is intended for compiler hackers. The
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version ought to be stable, however we have not run
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our full regression testing.
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http://cm.bell-labs.com/cm/cs/what/smlnj/index.html
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Summary:
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This version will build under Mac OS X.
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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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The CKIT is now part of the release because it is needed for ml-nlffigen.
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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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The compiler has been modified to support the C FFI.
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There are various bugfixes and some organizational changes.
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--------------------------------
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Mac OS X:
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- This version will build under the new Apple Mac OS X
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operating system.
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MLRISC:
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- infinite precision throughout
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- support for virtual frame pointers ("omit-frame-pointer")
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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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- see http://cm.bell-labs.com/cm/cs/what/smlnj/compiler-notes
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- support for alternative control-flow in MLTREE
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- other API changes
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- bug fixes
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CM:
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- "lambdasplit" parameter for class "sml" to control status and
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aggressiveness of cross-module inlining
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- parallel make now works again
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- "proxy libraries"
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- other bug fixes
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CKIT:
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The ckit source tree is now part of the SML/NJ distribution.
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compiler:
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- bug fixes (e.g., dead-up logic in cpsopt/contract.sml)
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- 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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- 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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- 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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- prim.sml now has correct types for all primops
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ML-NLFFI:
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- two source trees in support of the new NLFFI ("no-longer foreign
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function interface") added:
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src/ml-nlffi-lib --- support library
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src/ml-nlffigen --- glue code generator
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- 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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smlnj-lib:
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- some API cleanup and bug fixes
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runtime:
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- dlopen and friends added (currently x86/Linux only)
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- changes to vproc-state.h to support efficient signal handling
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by new raw C call mechanism
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- support for Mac OS X; Darwin
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overall organization:
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- use CM "proxy libraries" where possible
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scripts:
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- various bug fixes to config/install.sh
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- config/install.sh now knows about ckit, ml-nlffi-lib, and ml-nlffigen
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- 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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- makeml verbosity level controllable via MAKEML_VERBOSITY
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or command line switch
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- This version should build under the new Apple Mac OS X
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operating system.
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Parent Directory
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Revision Log
