+ 19.6.2001 Goetz
+ Changed array bounds in type.h to ir_node*. This allows to
+ construct array bounds that are complex constant expressions
+ simpler. Further dynamic array bounds can be displayed.
+ Comment in ircons.c extended: undefined values in start_block.
+
+ 7.6.2001 Goetz
+ ifdef'ed all uses of gmp in tv.c away. Optimizations for
+ mode_Z no more supported, as well as constants of that mode.
+
+ 7.6.2001 Goetz
+ Dokumentation in ir_dump
+ Habe Routinen fuer einzelne Knoten/Kanten aus header entfernt:
+ Benutzen globale Variable die nicht oeffentlich zugaenglich ist.
+
+ 28.5.2001 Goetz
+ We need an entity for the array elements for the Sel nodes. This
+ entity should be stored in the array type. Changed constructor
+ parameters: include array element type. Entity for elements is built
+ automatically now.
+
+ 28.5.2001 Goetz
+ Removed bug in tv.c.
+ Faulty use of va_arg, became visible with new, stricter gcc 2.96.
+
+ 23.5.2001 Goetz
+ Added list of member entites to union. unioned_types and delimiters
+ are superfluous now -- removed.
+ Rationale: we want to express selection of a union member as a Sel
+ node. for this we need to have entities. The entities contain the
+ unioned type and have as name the delimiters...
+
+ 17.4.2001 Boris
+ Changed Makefile/MakeTargets to install headers and libraries
+ seperately.
+
+ 28.3.2001 Boris
+ Changed Makefile and Configure scripts to produce a proper tar file
+ for distribution (libfirm-VERSION.tar)
+ Use 'make distrib' instead of 'make dist'
+
+ 14.3.2001 Goetz
+ Changed implementation of tr module. With this I also changed the
+ interface!! Type casts are unnecessary now, but some access funcions
+ differ.
+
+
+======================================================================
+==================== New version: 0.3.0 ==============================
+======================================================================
+
+ 14.3.2001 Boris
+ added file TODO
+
+ 14.3.2001 Boris
+ added creation of a tar archive for distribution
+ replaced ir/.dummy.in by ir/Makefile.in
+
+ 13.3.2001 Goetz
+ Changed equivalent_node() and copy_preds() so that the end block
+ is not optimized away if it has no real predecessors. This fixes
+ the problem with the while examples.
+ Added while_example in Makefile
+
+ 12.3.2001 Goetz
+ Fooled around with if_while_example: Why does cse make it abort?
+ Cse removes path to End node, Bad remains as pred of Endblock.
+ The block walker can't deal with this.
+ Made new example with only loop: while_example.
+
+ 12.3.2001 Boris
+ added auto documentation in Makefiles, configure, etc
+ example in ir/ir/ircons.c - much must be added
+ creation of documentation by 'make autodoc' in architecture directory
+
+ 5.3.2001 Boris
+ added lots of #ifdef HAVE_CONFIG_G #include "config.h" #endif
+ replaced some C++ style comments (//) by standard C comments /**/
+ added autoconf stuff
+ worked this night:
+ - configure (with some features, see --help for more)
+ - make [depend | tags | install]
+ - make [run] in testprograms
+ did not work:
+ - compilation on SunOS
+ - make dist
+ - automatic call of autoconf if required
+
+ 5.3.2001 Goetz
+ More colours in vcg output.
+ Fixed bug: cse found that start block equals it's
+ first successor as both have the Start block as predecessor.
+ This only happens for local_optimize_graph() as during construction
+ the Start block is not entered in the value table.
+ Changed implementation: irgmod: local_optimize_graph() did not
+ empty the hash table with the irnodes for cse. This might cause that
+ cse turns up with a node that seems better but was removed from the
+ graph in an earlier optimization phase.
+ Removed old #if 1 from ircons.c
+ Commented in call of optimization for Block nodes in irgopt.c, copy_preds():
+ Optimizes blocks that had bad predecessors.
+ Same for Phi nodes.
+
+
+ 27.2.2001 Goetz
+ Moved struct from irprog.h to irprog_t.h, same for irmode.h.
+ Added a module deb_info in debug.h. Adapted makefile. Added example
+ use in iropt.h.
+ Removed use of debug.h in ident.c. Now debug.c|h can be moved to
+ /adt/.
+ Removed inabled code for dead node elimination in irgopt.h.
+ Renamed some missnamed access routines (_of_). Macros with old names
+ are in old_fctnames.h.
+ Edited makefiles to remove #* and *.flc.
+
+ ??.2.2001 Goetz
+ Some minor bugfixes...
+
+ 25.1.2001 Goetz
+ After compacting of in arrays in dead_node_elimination
+ merge blocks and remove Phis with one pred.
+
+ 24.1.2001 Goetz
+ Freeing of obstack in dead_node_elimination commented in.
+ Compacting in arrays of Block and Phi nodes in dead_node_
+ elimination.
+ Some more changes...
+
+ 15.01.2001 Goetz
+ added set/get_SymConst_type_or_id in irnode.h
+ added field offset to entity in entity.h
+ added field size to type_class in type.h
+ include "gmp.h" in tv.h with "" instead <>
+
+ 12.01.2001 Goetz
+ Some changes to make the lib better portable
+
+ 29.12.2000 Goetz
+ Initialize max_node_nr in irprog.
+
27.12.2000 Goetz
Now outputs warning if faulty type in irdump, dump_type_info.
Explicit string termination in irdump, vcg_open.
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