David Given
9f78e0b36b
Rethink the way patterns are mapped to rules; generate emitters (probably
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badly).
2016-09-25 11:49:51 +02:00
David Given
7c028bdd45
We now record the code fragments to be emitted by each rule.
2016-09-25 00:21:46 +02:00
David Given
629e0ddfc6
Some instruction selection is now happening.
2016-09-24 22:46:08 +02:00
David Given
c8fcbe282a
More grammar changes.
2016-09-24 19:03:55 +02:00
David Given
2acc4ed29d
IR codes are now owned by mcgg; ir terminals are inserted into the table during
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compilation (so you can refer to them).
2016-09-24 18:31:35 +02:00
David Given
1516657907
Crudely bolt on mcgg to mcg itself.
2016-09-24 17:20:40 +02:00
David Given
13132128a1
Parameters are parsed with getopt. Simplify, constify.
2016-09-24 16:59:49 +02:00
David Given
434eafd35d
Change the predicate stuff to use costs instead; now you can use when clauses
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on leaves. Remove an iburg premature optimisation (required for above).
2016-09-24 13:33:59 +02:00
David Given
d96ceea08a
Lots of exploratory new grammar for instruction definitions and string and
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fragment emission (none of which is hooked up to anything yet).
2016-09-24 13:08:17 +02:00
David Given
960259f0b0
Add support for labelled tree nodes.
2016-09-24 12:11:30 +02:00
David Given
4546dd5f22
Massive grammar overhaul and refactor. Hacked in support for predicates, where
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instructions can be turned on and off based on their parameters. New lexer
using a lexer. Now quite a lot of the way towards being a real instruction
selector.
2016-09-21 00:43:10 +02:00
David Given
2183c6c622
Run through clang-format.
2016-09-20 21:00:16 +02:00
David Given
03b7202e54
Strip out surplus files. Rewrite README.
2016-09-20 20:46:45 +02:00
David Given
5cb3fbb3d3
Import iburg.
2016-09-20 20:44:51 +02:00
David Given
13c117d15d
Import iburg.
2016-09-20 20:37:16 +02:00
George Koehler
b1d1b5e1f8
Fix bugs with memory allocation in ego.
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cf/cf_loop.c and share/put.c tried to read the next pointer in an
element of a linked list after freeing the element. ud/ud_copy.c
tried to read beyond the end of the _defs_ array: it only has
_nrexpldefs_ elements, not _nrdefs_ elements.
These bugs caused core dumps on OpenBSD. Its malloc() put _defs_ near
the end of a page, so reading beyond the end crossed into an unmapped
page. Its free() wrote junk bytes and changed the next pointer to
0xdfdfdfdfdfdfdfdf.
2016-09-09 23:37:43 -04:00
David Given
f67c98e239
Distributions are a pain --- let's not bother any more. Instead, we just tag
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the repository and download a complete snapshot, old and ancient stuff and all.
2016-09-02 23:00:38 +02:00
David Given
612e38f1c6
Remove the old make-based build system, plus some big chunks of horribly
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obsolete protomake build system.
2016-09-02 22:17:51 +02:00
David Given
2b6d251dec
Fix a fun bug where, every now again, ego would get its temporary files mangled
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and generate invalid calls to the optimisers.
Previously ego would generate a temporary file template that looked like
/tmp/ego.A.BB.XXXXXX, call mktemp() on it to randomise the XXXXXX, and then
replace A and BB with data.
However, it used strrchr to find the A and B. Which would fine, except when
mktemp produced an A or a B in the randomised part...
This code was written on 4 March 1991. I was 16.
2016-08-22 23:53:01 +02:00
David Given
2a95b1c5e3
Forgot to check a file in.
2016-08-22 22:45:32 +02:00
David Given
5bae29a00c
ego now builds and is used.
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This needed lots of refactoring to ego --- not all platforms have ego descr
files, and ego will just crash if you invoke it without one. I think originally
it was never intended that these platforms would be used at -O2 or above.
Plats now only specify the ego descr file if they have one.
2016-08-21 22:01:19 +02:00
David Given
84ee7c9cc4
Fix linking bug where em_decode would generate binary data instead of text.
2016-08-21 20:27:52 +02:00
David Given
2b2bd93e44
Run through clang-format.
2016-08-21 20:08:05 +02:00
David Given
44b6421519
Run through clang-format.
2016-08-21 19:53:14 +02:00
David Given
671bf250f5
Run through clang-format.
2016-08-21 19:46:19 +02:00
David Given
918f300513
Run through clang-format.
2016-08-21 19:38:54 +02:00
David Given
1b66b63eae
Run through clang-format.
2016-08-21 19:38:02 +02:00
David Given
3584ddb6e9
Push through clang-format.
2016-08-21 19:34:54 +02:00
David Given
a4f136f999
Run through clang-format.
2016-08-21 18:51:36 +02:00
David Given
03a0b182c4
Push em_ego.c through clang-format before working on it.
2016-08-21 18:45:25 +02:00
David Given
53c9731036
aal doesn't build the ranlib table if you don't set -DAAL.
2016-08-20 14:04:46 +02:00
David Given
f561b94b49
Print hex numbers actually properly this time.
2016-08-20 14:02:12 +02:00
David Given
7b8d9e2d0e
Fix compiler warnings and 64bitisms.
2016-08-14 23:01:12 +02:00
David Given
a42939df50
LED builds now.
2016-08-14 14:40:01 +02:00
David Given
4d24666432
Move util/data into modules/src/em_data, for consistency with the other
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modules.
2016-08-14 14:09:38 +02:00
David Given
262c5fedcf
Biggish refactor to break cycles; my build rules were full of them. cpm builds,
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which requires top and topgen.
2016-08-14 01:39:40 +02:00
David Given
0d77cb8279
We can build our first C file.
2016-08-07 21:56:53 +02:00
David Given
5e84be70fd
Massive ackbuilder refactor --- cleaner and more expressive. Lists
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are automatically flattened (leading to better build files), and the
list and filename functions are vastly more orthogonal.
2016-08-04 23:51:19 +02:00
David Given
b2bb4ce3b2
Builds libend (the simplest library). Becoming obvious I need to rework the way
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ackbuilder deals with lists.
2016-07-30 00:39:22 +02:00
David Given
363d13cc2f
C preprocessor; tabgen; now the pc86 boot.s builds using the ack
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toolchain.
2016-07-29 00:22:49 +02:00
David Given
f9c77fca03
Replace the hacky cflags variable with an equally hacky but vastly
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more useful magic vars variable.
2016-07-27 00:10:15 +02:00
David Given
cdeea836f2
Replaced the fairly complex environment code with a much simpler
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emitter object.
2016-07-26 23:43:31 +02:00
David Given
a8a9d1bbfa
yacc, ncgg; platform ncg builds now.
2016-07-26 23:35:30 +02:00
David Given
bff5c4019c
Baby steps towards building a platform --- make the assembler work.
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Add ackbuilder support for C preprocessor files and yacc.
2016-07-24 00:50:02 +02:00
David Given
2770a83837
More programs, more libraries. src/modules build files are now saner.
2016-07-23 00:30:31 +02:00
David Given
1fdc69fb97
cemcom.ansi now builds.
2016-07-19 23:43:14 +02:00
David Given
2d2497c318
ackbuilder rules files now require absolute paths in external variables
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(otherwise commands which change directory don't work).
2016-07-18 23:16:27 +02:00
David Given
bcf3408e36
More stuff builds; almost the C compiler now.
2016-07-14 23:54:13 +02:00
David Given
d805052205
All the amisc binaries now build.
2016-06-19 09:32:45 +02:00
David Given
2af8568cc3
First draft at installables; not very satisfactory. make bugs with multiple
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output targets and parallelism?
2016-06-16 05:26:44 +02:00