gforth: gforth/prims2x.fs

updated copyright years

Fixed static superinstruction generation

updated copyright years

renamed ;CODE-EXEC into LIT-EXECUTE (more general)
static stack caching for faster abi-call and ;abi-code-exec
Usage of VM_JUMP in static superinstructions is now flagged

updated copyright years

prims2x.fs bugfix
  Bug reported by Jeffrey Yasskin for vmgen
       <5d44f72f0901161549q1bf19579gd117c0e51821bdd4@mail.gmail.com>:
  For superinstructions INST_TAIL produced the wrong stores to the stacks

updated copyright notices for GPL v3

updated copyright years

minor bugfixes (left-over stack items) in prims2x.fs
fixed documentation bugs

prims2x.fs backwards compatibility

changed >OUTFILE ... OUTFILE< to OUTFILE-EXECUTE
changed >INFILE ... INFILE< to INFILE-EXECUTE
added BASE-EXECUTE
related documentation changes

added RESTORE and IFERROR, deleted RECOVER (undocumented)

updated copyright years

eliminated some "Cell" mentions from prims2x.fs
added some comments to gforth.ds

added support for disabling states; disabled S3-S8 (otherwise gcc-2.95
  ICEs on i386).
added G5 benchmark results
documentation changes

updated the copyright year on many files
added FSF copyright header to complex.fs fft.fs regexp-test.fs regexp.fs
added fsl-util.fs to update-copyright-blacklist

introduced THREADED-CODE-POINTER-TYPE variable for parameterizing Inst **

fixed a few bugs in "..." handling in prims2x.fs
changed direct uses of sp and fp in prim to use "..."

completed support for "..." in stack comments in prims2x.fs (no docs yet)

added support for ... stack items to prims2x.fs
minor cleanup in prim

EXECUTE and friends are now relocatable again even with the PR15242 workaround.

Added */ and */mod to prim
Made division floored by default

further work on gcc PR 15242 workaround (now works on AMD64 gforth-fast)
made treatment of Priminfo length and restlen more regular

updated copyright years for files changed in 2004

moved imm_ops field of costs up a bit (better factoring and readability)

added imm_ops operand to costs structure and generate it

fixed bug in cache1.vmg
prims2x.fs: better comments for prim*.i
main.c: better --debug output (added primitive names)

fixed one stack-caching bug (N_START_SUPER value), and enabled stack caching

made classical 1-register stack caching work again (and probably
  general stack caching with non-empty canonical state).  There was a
  subtle bug involving ?DUP-?BRANCH.
made this the default for gforth-fast and turned off anything beyond
deleted the now-unused rewrite_bb().

stack caching works now (at least for make check)
  the main change is to the optimize_... stuff in main.c
  also restricted static optimization area to basic blocks
minor bugfixes

replaced gforth-prof with $(PROFEXES) in Makedist.in
more stack caching work

put stack caching stuff in prims2x.fs (cvs log prims2y.fs for
	fine-grained changes)
set up prim etc. to work with the changes prims2x.fs (disabled USE_TOS for now)

now an is-branch? field is generated engine/costs.i
fixed some typos in README
changed default threading scheme for generic machine

fixed various minor issues:
  workaround for HPUX make and our dependence cycles
  suppress warnings for unused variables in superinstructions
  added some superinstructions
  useful code_size metrics for primitives with funny K and J labels
  default metric for --no-dynamic is now cost_nexts

made superinstructions compatible with conditional compilation of primitives
  (in Gforth; don't use conditional compilation in vmgen).

Inclusion of ffcall stuff
ftp://ftp.santafe.edu/pub/gnu/ffcall-1.8.tar.gz
High level stuff missing

gforth-prof is built by default again
default CFLAGS is now "-O2" instead of "-g -O2"
added some static superinstructions
fixed computation of engine/costs.i
minor changes

implemented new approach for static superinstructions (cleanup needed)
386 disasm bugfix (enter)

cross: use sperate region for user-space
cross: allow no user-space at all

documentation update
redefined words in prims2x.fs to keep BUILD-FROM-SCRATCH working

added LATEST, replaced uses of LAST @ with uses of LATEST
renamed LASTXT to LATESTXT, and changed the uses
made >NAME the primary name for >HEAD
documentation changes

updated copyright years

bug workaround (cygwin signal blocking)
minor changes

portability changes
bugfixes in prims2x.fs, kernel/int.fs

bugfix in prims2x.fs sync line handling

eliminated some (hopefully outdated) hppa special treatments
rewrote hppa cacheflush
prims2x can now process CRLF inputs (but the output is partly unixified)
prims2x can now process several sync lines in sequence
minor fixes

undid changes to copyright notices

Updated copyright notices
Added stack effects to kernel/input.fs

restored the old engine/prim_lab.i format (for vmgen compatibility)
introduced engine/prim_grp.i for the new use

vmgen: introduced STACK-ACCESS-TRANSFORM to support upward-growing stacks.

First inclusion of group-based primitive tokens (no reordering happend yet)

prims2x: INST_TAIL now produces NEXT_P2 again by default

some fixes to make make dist work
bugfixes to make building outside srcdir work
minor prims2x.fs bugfix (for vmgen-ex)
vmgen-ex[2] bugfix

now engine/prim_num.i is generated, and used in main.c (for main-native.o)

new engine gforth-native (works on 386 arch only for now).
  appropriate changes in control-flow instructions in prim
  new primitives SET-NEXT-CODE and CALL2 (not necessary for the other engines)
  new primitives COMPILE-PRIM1 and FINISH-CODE
  prims2x.fs now produces IMMARG(...) macros for initializing immediate args
  prims2x.fs: changes in some of the output-c-tail words (goes with the
     changes in the control-flow words).
  appropriate changes in engine.c
  engine.c: rewrite of check_prims, support for gforth-native (NO_IP)
  threaded.c: support for NO_IP
  various kernel files: started to eliminate return stack manipulations for
    embedding data (e.g. string literals); incomplete.
dynamic superinstructions now use LABEL2 instead of IS_NEXT_JUMP
FORCE_REG has no effect if DOUBLY_INDIRECT (gcc-2.95.1 crashes otherwise;
   it's unclear which change provoked this).

bugfix (use of inst-pointer-update left stack items)
bugfix (now no debugging output at superinstruction end)
refactored output-c-tail...

In superinstructions, move stores into the last part writing to the stack item.

Stack loads in superinstructions are now delayed until the part that needs them

Fixes for GCC 3.2

added include-skipped-insts to prims2x.fs

Changed creation of engine/super.i into engine/costs.i, which contains
   all primitives, not just superinstructions; costs now work (mostly)

Added generation of engine/supers.i
Deleted generation of kernel/peephole.fs

Added compat/strcomp.fs, introducing STR=, STRING-PREFIX?, and STR<
replaced most occurences of COMPARE with STR= and STRING-PREFIX?

Made store optimization optional (default off), and documented it

prims2x.fs now outputs #line directives at the end of the user C code
documentation changes

prims2x.fs changes: now supports C code delimited by braces;
                    Forth or C names for primitives depending on [ifdef] vmgen
Documentation changes
adapted vmgen-ex* to earlier prims2x.fs changes

Vmgen documentation changes
Small changes in Vmgen and related changes in prim and engine/engine.c

added LABEL2 generation to prims2x.fs for future portable superinstructions

VM disassembler now prints immediate arguments nicely

vmgen-related changes:
in prims2x:
  Conversion macros for single items now take 2 arguments
  Converting from two items to a type has changed order
  argument printing for disassembler disabled (for now)
  disassembler now also uses VM_IS_INST
in Gforth and vmgen-ex: adapted to work with changed prims2x
new: vmgen-ex2: uses union for Cell instead of casting (lots of
   changes compared to vmgen-ex)

EKEY now returns single characters instead of waiting for the rest of
   an escape sequence
documentation changes

lit@ and lit+ are now defined as superinstructions
compile lit @ and lit + instead of lit@ and lit+
extended prims2x to support superinstructions with non-C-names
  (syntax: forth-name /c-name = ...)
support profiling of interpreters with superinstructions
  (with simple instructions in the output).
profile output with prefixes only (enable by editing profile.c).
optional reporting of static superinstruction lengths (compared to
  dynamic superinstructions); enable by compiling with -DPRINT_SUPER_LENGTHS

added dynamic superinstructions (currently for direct threading on 386,
                                 without checking for other platforms)

determine primitive relocatability for dynamic superinstructions
documentation changes (from bug reports by Robert Epprecht and others)

use LABEL(name) instead of CASE I_name at the start of a primitive
fixed read-line tutorial documentation bug

Added tags generation for vi
small changes on httpd for EuroForth paper
Added navigation button generation via Gimp to wf
Made nccomp from Lars Krueger work at least somehow

prims2x now generates CASE before the label

Made some Gforth-EC targets work again
Started grouping (no renumbering yet, groups are just dummies)

simpy inlclude startup.fs in prims2x if needed

cleanup, so BUILD-FROM-SCRATCH (should) works

set of changes to use gforth0.5.0 to build right out of the cvs sources

prefixes are now automatically defined in wordlist PREFIXES

moved stack definitions from prims2x.fs to prim (and support for that)

cleaned up prims2x.fs, prepare for pulling stack definition out

VM_DEBUGGING now also prints stack-out values.
output-profile now uses goto to avoid gcc parser overflow.

First steps to get peephole optimizing into cross

minor bugfixes

profiling now outputs subsequences

continued block profiling

good start at profiling for peephole optimization
backtrace now also works for calls done with CALL

"TAIL;" now works properly in superinstructions

added peephole optimization to kernel

added C and primitive support for peeophole optimization

added test for COMPARE
more peephole optimization stuff

first take on generating combined instructions

fixed inst-stream access in parts of combined instructions

more combined word changes

type-specific conversion functions for fetch/store-double

type conversion macros instead of casts for fetch/store-single (prims2x.fs)

Fixed cell-size dependent masks

replaced items with field in prim

factored out WORDLIST-WORDS from WORDS
more work on combined primitives

minor changes

bugfix (complete?): backtrace-rp0 now is restored in interpret
process-file in prims2x.fs now takes two xts
various other chnages in prims2x.fs

first parts for combined instructions

introduced make-prim

moved SLURP-FILE from comp-i.fs to stuff.fs
various changes in prims2x.fs

more refactoring in prims2x.fs

moved parser to the end

factored output out of DECLARATIONS

Better error reporting in prims2x.fs
Bug fixed by changing the docs: RECOVER is not optional in TRY...ENDTRY.

some refactoring

changes for better debugging output
made a ChangeLog for real
NEWLINE for Darwin (should be LF, but if does not define unix)

bugfix

minor improvements

prims2x.fs now generates gen_<prim> functions.

more white space tolerance in prims2x.fs

even more tolerance for trailing white space

prims2x.fs is now more tolerant to trailig spaces

prims2x can now generate a VM disassembler; added support files

finishing touches to dealing with inst-stream in prims2x.fs
converted prims to using this new feature for inline arguments (prefix '#')
commented out prim* targets in engine/Makefile.in (out-of-date)

prims2x.fs can now process \E (for EVALUATE) "comments"
moved prefix declarations to prims2x.fs (into \E comments).

added support for # prefix in prims2x.fs (not complete)

prims2x now replaces "TAIL;" in the C code with appropriate code for
   terminating the primitive
Most conditional branches now use "TAIL;" to have two NEXTs
   This brings performance back to the level before Nov 12th 2000

prims2x.fs now generates the return stack stuff from the stack comment
most references to rp were eliminated from prim
  currently this comes with a performance penalty, because
  conditional branches now use just one NEXT instead of one for the
  branch and one for the fallthrough

generalized prefixing in prims2x.fs (prepare for stack prefixes)

rewrote large parts of prims2x.fs to become more flexible (not restricted to
  2 stacks, factored out common code for the stacks, etc.).
Changes in other files to go with the prims2x.fs changes

changed FSF address in copyright messages

updated copyright dates in many files (not in ec-related files)

Added conditions to the new primitives (floating)
Fixed prims2x.fs to accept comments after the last primitive
Fixed newline Forth definition
Small docs fixes

Changed prim syntax to not make a difference between blanks and tabs.
Stack effects are now surrounded by parentheses.

New calling conventions with wcall.

Deleted flush-comment stuff, because it works now staight forward.

Added support for explicit forth or c comments with \f and \c.

bugfixes from Markus Schoder

removed "Error: ..." message
prims2x works again in make doc

Changes in file including.

Install process fixes for DOS and OS/2
EC primitive count fixed
EC relocate problem fixed

prim_lab.i is now generated without indices (for compatibility with gcc-2.5.8)

Added further options to shrink a kernel down
Cleaned up conditional primitives (works now for C-generated part, too)
Cleaned up mach files for embedded architectures
Cleaned up options in the kernel

updated dates in copyright messages
inserted copyright messages in most files that did not have them
removed outdated files engine/32bit.h engine/strsig.c

Added system-specific options for C-part of primitives

SHARC-porting aids that benefit generally:
Cross: Added non-byte-addressed architectures as possible target (not hosts
yet).
Rest: all types are now Gforth-private types (so you could define as Char
whatever you where like). Some messing around with inabilities of Analog
Devices port of GCC.

Fixed docu problems, added stderr output for errors and warnings

Switched ~+/ with ./

Mega-Patch; lots of changes

Added global library load, reversed order of library load after startup
Fixed prims2x.fs to load search.fs first.

Fixes to tasker.fs, environ.fs
Changed has-xy flags to environmental queries!!

jwilke's changes:
Moved many files to other directories
renamed many files
other changes unknown to me.

Merged in gforth-EC patches

Started to merge in changes made for gforth-EC project.

a little cleanup in 386.h
renamed special: to interpret/compile:
renamed save-string to save-mem
added extend-mem
replaced (name>) with ((name>))
replaced name> with name>int and name>comp
renamed compile-only to compile-only-error
replaced xt>i with name>int
replaced xt>c with name>comp
removed xt>s
removed found
search-wordlist now delivers interpretation-xt
replaced (sfind) with find-name
replaced C' with COMP' and [C'] with [COMP']
removed S' and [S']
added hex.
added some helper words
adapted other words to the changes
started documenting the intergration of Gforth in applications

adapted DOES_CODE in alpha.h m68k.h mips.h power.h and sparc.h
worked around a bug in SunOS4 in prims2x.fs
fixed typo in main.c

changed bahviour of system (no longer returns wretval, but puts it in $?)
added (system) ( c_addr u -- wretval wior )
changed close-pipe (now also returns wretval)
changed calls to strncasecmp to memcasecmp

changed most state-smart words into words with interpretation: behaviour.
added postponetest.fs to "make test"
made HashTable into a value (for speed)
replaced 'flag!' by lastflags, cset, creset, ctoggle

completed double-cell support for machines without a corresponding C int type

added more.fs for people with old terminals.
WORDS and SEE now now respect the terminal size.
a lot of reordering in the Makefile, approaching the GNU standards.
factored NAME>STRING out of many words.
use AC_DECL_SYS_SIGLIST test in configure.in.
removed emitcounter (it was not used anyway).
SYSTEM now unpreps and repreps the terminal.
fixed byg in prims2x.fs.
added NEEDS, ?CSP, !CSP.
rewrote ALIAS?.

added config.h support (acconfig.h, changes in Makefile.in)
check for sys_siglist declaration
fixed bug in engine.c:cstr()
prims2x.fs now outputs synclines only in C code

Improved etags support
prims2x now supports synclines ("#line ...")
improved strsignal replacement

added copyright headers
changes to loadfilename & co. to make savesystem transparent to
 assertions and ~~

added answords.fs and strsignal.c
added checking of documenetation of ANS Forth words
Fixed many documentation errors and added some documentation
signal handling now uses strsignal and can handle signals not present on all machines

Added structure support in kernal
fixed bug on dictionary expand (512 wordlist limit)

Moved the stores back to where they belong.
Instead, a new part of NEXT is introduced: NEXT_PO resides at the start of
 the primitive. Additional macros were introduced to accommodate more
 scheduling alternatives. Scheduling is determined by two new flags,
 -DLONG_LATENCY and -DAUTO_INCREMENT.

added very preliminary support for Alpha/osf1
Moved flush-tos before stores to improve scheduling
merged io-dos.h and io.h
Created new Makefile for DOS
removed ToDo topcics that are already done

*Added:
* configure.bat configures on MS-DOS machines
* io-dos.h provides IO for MS-DOS
* makefile.dos is a GNU make Makefile for MS-DOS
*Changed:
* Merged gray/gforth and gray/gray4, added conditional compilation for
  gray ports (gforth and bigFORTH first)
* added gforth recognising string in environment
* added interpreter support for images (starts now with magic)
* changed make rule for ds2texi, so that it can run with Messy-DOS
* added SAVESYSTEM in dumpimage.fs
* fixed bug in Makefile for big endian systems (->configure)

Added automatic glossary entry transfer from primitives to the texi file.
renamed gfoprth.texi to gforth.ds.
fixed a few minor bugs.
changed the behaviour of locals scoping when encountering an unreachable BEGIN.
made UNREACHABLE immediate

Fixed some bugs and eliminated some warnings

Added forth variants for primitives
Added a generator for forth primitives
Cleaned up some minor errors
Changed names of local access (was cell size dependent)
Where is "getopt.h"???!? Added tiny workaround. Where is getopt_long?

cleaned up NEXT macros; provided for CISC (united) and RISC (split) versions
cstr is now a function that can process arbitrarily long strings

make now generates both images
the image names were changed
added C-level support for deferred words (dodefer)
made 2>r 2r> 2r@ 2rdrop primitives
some tuning of the outer interpreter; eliminated many words based on
 counted strings
Replaced the hash function with one that works better for larger tables

Added dictionary hashing
Changed argument interpretation as documented
Made refill for DOS 20 times faster
Added m*/ and missing FP words.

Moved setjmp from engine to go_forth, because the socalled "globbered"
variables where saved in memory (and this slows down everything).
Added global up0 for security (up is globbered).

Added restrict's functionalitz to cross.fs

removed all occurency of cell+ name>, because the bug in name> is
fixed.

Added a dusty workaround at the end of prims2x.fs, because of
strange exceptions.

Made gray warnings-off-compatible
Added (type) as primitive

Fixed problem with ?dup
Deleted noop output like sp+=0 from prims2x.fs
Made wordinfo.fs work with DTC on i386
Added a faster (???) relocater

local variables
rewrote primitives2c.el in Forth (prims2x.el)
various small changes
Added Files:
 	from-cut-here gforth.el gforth.texi glocals.fs gray.fs
 	locals-test.fs prims2x.fs

	Diffs between Use Text Field v0-7-0 v0-6-2 v0-6-1 v0-6-0 v0-5-0 v0-4-0 v0-3-0 v0-2-1 v0-2-0 gforth-0_1beta MAIN HEAD and Use Text Field v0-7-0 v0-6-2 v0-6-1 v0-6-0 v0-5-0 v0-4-0 v0-3-0 v0-2-1 v0-2-0 gforth-0_1beta MAIN HEAD
	Generate output suitable for use with a patch program
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