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Annotation of gforth/NEWS.vmgen, revision 1.4

1.4     ! anton       1: User-visible changes between 0.6.2 and 0.6.9 (up to 2006-05-07):
        !             2: 
        !             3: variable THREADED-CODE-POINTER-TYPE for parameterizing Inst ** (undocumented)
        !             4: Better support for explicit stack access (see documentation) (works with static superinsts?)
        !             5: support for static multi-state stack caching (undocumented)
        !             6: 
        !             7: 
1.2       anton       8: User-visible changes between 0.6.[01] and 0.6.2:
                      9: 
                     10: You now have to define a macro MAYBE_UNUSED (see manual); useful for
                     11:   suppressing expected "unused variable" warnings.
                     12: 
1.1       anton      13: User-visible changes between 0.5.9-20020901 and 0.6.0:
                     14: 
                     15: Support for upward-growing stacks (see "Stack growth direction" in the
                     16:   manual)
                     17: New macro in output: IMM_ARG.
                     18: New input flag: include-skipped-insts (currently pointless).
                     19: Lazy loading and eager storing of stack items in superinstructiuons;
                     20:   this reduces register pressure (useful on 386), but causes compiler
                     21:   warnings about unused variables.
                     22: 
                     23: 
                     24: User-visible changes between 0.5.9-20020822 and 0.5.9-20020901:
                     25: 
                     26: The store optimization is now disabled by default, but can be enabled
                     27: by the user.  Documentation for this optimization is also new.
                     28: 
                     29: 
                     30: Use-visible changes between 0.5.9-20010501 and 0.5.9-20020822:
                     31: 
                     32: There is now a manual (in info, HTML, Postscript, or plain text format).
                     33: 
                     34: There is the vmgen-ex2 variant of the vmgen-ex example; the new
                     35: variant uses a union type instead of lots of casting.
                     36: 
                     37: Both variants of the example can now be compiled with an ANSI C
                     38: compiler (using switch dispatch and losing quite a bit of
                     39: performance); tested with lcc.
                     40: 
                     41: There are several changes in the way you have to define macros (see
                     42: node/section "Changes" in the manual).  I recommend keeping the
                     43: gforth-0.5.9-20010501 version until you have completed the changes
                     44: (note that you can have several versions of Gforth installed at the
                     45: same time).
                     46: 
1.3       anton      47: -----
                     48: Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
                     49: 
                     50: This file is part of Gforth.
                     51: 
                     52: Gforth is free software; you can redistribute it and/or
                     53: modify it under the terms of the GNU General Public License
                     54: as published by the Free Software Foundation; either version 2
                     55: of the License, or (at your option) any later version.
                     56: 
                     57: This program is distributed in the hope that it will be useful,
                     58: but WITHOUT ANY WARRANTY; without even the implied warranty of
                     59: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.#See the
                     60: GNU General Public License for more details.
                     61: 
                     62: You should have received a copy of the GNU General Public License
                     63: along with this program; if not, write to the Free Software
                     64: Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
                     65: 
1.1       anton      66: 
                     67: % Local Variables:
                     68: % fill-prefix: "  "