Chris Hanson [Mon, 7 Jan 2019 07:32:15 +0000 (23:32 -0800)]
Generalize list-like printing, and support list-breadth limit properly.
Chris Hanson [Mon, 7 Jan 2019 00:32:57 +0000 (16:32 -0800)]
Clean up wording around bitless characters.
Chris Hanson [Mon, 7 Jan 2019 00:32:41 +0000 (16:32 -0800)]
Remove unused and unexported guarantee-FOO procedures.
Chris Hanson [Mon, 7 Jan 2019 00:19:59 +0000 (16:19 -0800)]
Change most places that use bitless-char? to just throw away the bucket bits.
Chris Hanson [Sun, 6 Jan 2019 06:58:28 +0000 (22:58 -0800)]
Do the annual copyright update.
Chris Hanson [Sun, 6 Jan 2019 06:56:22 +0000 (22:56 -0800)]
In update-copyright, replace use of old regexp with regsexp.
Also adjust the various filename patterns to reflect the current directory
structure.
Chris Hanson [Sun, 6 Jan 2019 06:41:18 +0000 (22:41 -0800)]
Clean the compiler subdir too.
Chris Hanson [Sun, 6 Jan 2019 02:28:40 +0000 (18:28 -0800)]
Allow alist->bundle to accept #F as predicate.
Also beef up bundle tests a bit.
Chris Hanson [Sun, 6 Jan 2019 02:12:26 +0000 (18:12 -0800)]
Fix problem with using bundle? as a bundle predicate.
Chris Hanson [Sun, 6 Jan 2019 01:52:10 +0000 (17:52 -0800)]
New printer parameter param:print-hash-number-in-objects?.
Chris Hanson [Sun, 6 Jan 2019 01:47:40 +0000 (17:47 -0800)]
Use dispatch-tag-print-name.
Chris Hanson [Sun, 6 Jan 2019 01:46:52 +0000 (17:46 -0800)]
Export dispatch-tag-print-name for convenience.
Chris Hanson [Sun, 6 Jan 2019 01:46:17 +0000 (17:46 -0800)]
Eliminate obsolete comment from user manual.
Chris Hanson [Fri, 4 Jan 2019 05:19:44 +0000 (00:19 -0500)]
Save file used to test gc table correctness.
Taylor R Campbell [Thu, 3 Jan 2019 16:35:11 +0000 (16:35 +0000)]
Detect trivial infinite recursion in promises.
Obviously this can be fooled, like
(force (let loop () (delay-force (loop))))
or any non-halting Turing machine, but this is an easy case to detect
with negligible cost.
Taylor R Campbell [Thu, 3 Jan 2019 16:33:31 +0000 (16:33 +0000)]
Test detectable screw case of delay-force infinite recursion.
Taylor R Campbell [Thu, 3 Jan 2019 16:23:05 +0000 (16:23 +0000)]
Integrate %promise-parts.
Shaves another 20% off time for test-promise.scm.
Taylor R Campbell [Thu, 3 Jan 2019 07:17:32 +0000 (07:17 +0000)]
Use another indirection for representation of promises.
The pairs never change, so merely loading the pair object from the
cell indirection gives us an atomic snapshot of it. This way, there
is no need for without-interrupts in promise-forced?.
This makes each promise cost one more word (previously: one word to
represent plus three words of heap space; now one word to represent
plus four words of heap space), but reducing without-interrupts is a
big win -- this halves the time of test-promise.scm on my machine.
Of course, on a parallel system, the without-interrupts in %force is
still not enough (and we'll need the cell-contentses to be
load-acquire operations, not just loads).
Taylor R Campbell [Thu, 3 Jan 2019 05:36:58 +0000 (05:36 +0000)]
Fix nested promises.
Taylor R Campbell [Thu, 3 Jan 2019 05:36:07 +0000 (05:36 +0000)]
Add promise tests. Nested promises are busted.
Taylor R Campbell [Thu, 3 Jan 2019 05:11:20 +0000 (05:11 +0000)]
Open-code cell operations.
Taylor R Campbell [Thu, 3 Jan 2019 16:10:04 +0000 (16:10 +0000)]
Restore sf predicates, not scode predicates.
Various parts of sf were silently disabled in the overly aggressive
change
commit
816b9122751c9b60b85f9ce3db0df8a516f763cb
Author: Chris Hanson <org/chris-hanson/cph>
Date: Wed Jan 24 00:07:59 2018 -0800
Greatly simplify SCode abstraction and change names to contain "scode".
Also remove all FOO-components and FOO-subexpressions procedures.
More work remains: the lambda abstraction is an unholy mess and needs to be
cleaned up. The scan-defines stuff also merits some consideration.
which kinda reflects on the sensibility of using disjoint type
predicates across domains like this as one does in Scheme.
Taylor R Campbell [Fri, 4 Jan 2019 06:59:33 +0000 (06:59 +0000)]
Merge branch 'cross-fasdump-v2'
- Introduces a portable fasdumper that the compiler can use for
cross-compiling.
- Adapt the build system to use it. This form is not final: we
should really be using GNU configure's build/host/target form.
- Fix up the i386 back end, particularly floating-point stuff.
- Split svm1 into four architectures: svm1-32be, svm1-32le,
svm1-64be, svm1-64le. This way you can, e.g., use your x86 laptop
to cross-build an svm1-32le system to run on an arm32 machine.
- Various minor other fixes for cross-compilation.
Taylor R Campbell [Fri, 4 Jan 2019 05:09:26 +0000 (05:09 +0000)]
Use integrated %dispatch-tag-ref in record type predicates.
These show up hot in profiles, so this makes a difference.
Taylor R Campbell [Fri, 4 Jan 2019 05:08:58 +0000 (05:08 +0000)]
Integrate string.scm operations in symbol.scm.
Integrating, e.g., cp1-ref makes a huge difference.
Chris Hanson [Fri, 4 Jan 2019 05:16:54 +0000 (00:16 -0500)]
Tweak equality-predicate-property to accept a default-value argument.
Chris Hanson [Fri, 4 Jan 2019 04:44:26 +0000 (23:44 -0500)]
Don't use general predicate relations for record predicates.
Chris Hanson [Wed, 2 Jan 2019 06:30:44 +0000 (01:30 -0500)]
Merge branch 'master' of git.sv.gnu.org:/srv/git/mit-scheme
Chris Hanson [Wed, 2 Jan 2019 06:30:06 +0000 (01:30 -0500)]
Fix problem with crashing in Emacs interface.
Taylor R Campbell [Wed, 2 Jan 2019 05:50:59 +0000 (05:50 +0000)]
Use runtime's string ports.
Also read file in one swell foop, rather than character by character
in a slow painful chain of indirections thousands of times slower.
We'll use legacy strings here because this code was all written under
the assumption that `string' meant byte vector, and legacy strings
still have that semantics.
Eventually this should all be adapted to use bytevectors instead for
storage, and interpret things as strings only as necessary for text
processing beyond mail data formats.
Taylor R Campbell [Wed, 2 Jan 2019 05:50:16 +0000 (05:50 +0000)]
Implement position for string input ports.
Taylor R Campbell [Wed, 2 Jan 2019 05:50:06 +0000 (05:50 +0000)]
Export binary-port-length too.
Taylor R Campbell [Sat, 8 Dec 2018 14:19:46 +0000 (14:19 +0000)]
Fix binary-port-position for output ports.
Not sure if it'll DTRT for combined i/o ports; need more tests!
Taylor R Campbell [Sat, 8 Dec 2018 14:10:14 +0000 (14:10 +0000)]
Export binary-port-position and set-binary-port-position!.
Currently busted for output ports.
Taylor R Campbell [Wed, 2 Jan 2019 02:16:36 +0000 (02:16 +0000)]
Integrate string operations for order of magnitude speedup.
Taylor R Campbell [Wed, 2 Jan 2019 02:16:28 +0000 (02:16 +0000)]
ucd-slc-value &c. return chars, not fixnums.
Taylor R Campbell [Sun, 30 Dec 2018 23:33:21 +0000 (23:33 +0000)]
Use 32-bit xor rather than 64-bit xor for zeroing.
Taylor R Campbell [Sat, 29 Dec 2018 21:56:47 +0000 (21:56 +0000)]
Split deeply nested expressions into named and typed temporaries.
No functional change intended, just makes stepping through with a
debugger easier.
Taylor R Campbell [Mon, 31 Dec 2018 21:41:51 +0000 (21:41 +0000)]
Fix misparenthesization.
Taylor R Campbell [Sat, 15 Dec 2018 03:21:44 +0000 (03:21 +0000)]
Confirm that a couple screw cases in closure analysis work.
Once upon a time the Y combinator and U combinator would crash the
compiler. It's been fixed now but let's at least immortalize the
code I had lying around that crashed it so it doesn't happen again.
Taylor R Campbell [Tue, 11 Dec 2018 16:40:51 +0000 (16:40 +0000)]
Add some more release notes.
Chris Hanson [Thu, 27 Dec 2018 21:22:32 +0000 (16:22 -0500)]
Fix whitespace change ignored by magit.
Chris Hanson [Thu, 27 Dec 2018 01:01:24 +0000 (20:01 -0500)]
Move .dir-locals.el from src/ to top level dir.
Chris Hanson [Thu, 27 Dec 2018 01:00:55 +0000 (20:00 -0500)]
Split test data out of "test-string-normalization".
Taylor R Campbell [Sun, 16 Dec 2018 01:11:58 +0000 (01:11 +0000)]
Convert char to unsigned char before using islower/toupper.
Failure to do so is undefined behaviour for any negative char values.
Taylor R Campbell [Sun, 16 Dec 2018 00:45:06 +0000 (00:45 +0000)]
Use push with memory reference on i386 too.
Taylor R Campbell [Sun, 16 Dec 2018 00:33:14 +0000 (00:33 +0000)]
Move comment to cover all the primitives disabled for this reason.
Taylor R Campbell [Sat, 15 Dec 2018 23:22:40 +0000 (23:22 +0000)]
Open-code unordered comparison primitives on i386.
Taylor R Campbell [Sat, 15 Dec 2018 22:45:25 +0000 (22:45 +0000)]
Mark some more primitives as machine-dependent and thus non-foldable.
Taylor R Campbell [Sat, 15 Dec 2018 21:44:39 +0000 (21:44 +0000)]
Exclude exceptions not in FE_ALL_EXCEPT.
Some buggy libms omit some FE_* from FE_ALL_EXCEPT, apparently, oops.
When they cease to be relevant to me we can remove this.
Taylor R Campbell [Sat, 15 Dec 2018 21:03:16 +0000 (21:03 +0000)]
Make primitives raise exceptions on signalling NaN too.
Taylor R Campbell [Sat, 15 Dec 2018 20:38:48 +0000 (20:38 +0000)]
Fix mistaken expansion of flo:<> as flonum-is-less-or-greater?.
Global flo:<> is the ordered version, which raises exception on qNaN;
primitive flonum-is-less-or-greater? is the unordered version, which
returns false on qNaN.
Taylor R Campbell [Sat, 15 Dec 2018 03:48:26 +0000 (03:48 +0000)]
Test ordered and unordered comparisons with sNaN raise exceptions.
Taylor R Campbell [Fri, 14 Dec 2018 17:20:49 +0000 (17:20 +0000)]
Normalize significand in flo:random-unit-open even on 32-bit.
Taylor R Campbell [Fri, 14 Dec 2018 17:05:50 +0000 (17:05 +0000)]
Fix sign error and mask size in fix:bitcount16.
Taylor R Campbell [Fri, 14 Dec 2018 16:48:00 +0000 (16:48 +0000)]
Avoid undefined behaviour with large right shifts.
Taylor R Campbell [Fri, 14 Dec 2018 16:44:12 +0000 (16:44 +0000)]
Shift-right is busted on large shifts.
Taylor R Campbell [Fri, 14 Dec 2018 16:24:58 +0000 (16:24 +0000)]
Disable FLONUM-EXP open-coding on i386.
The instruction sequence we had was not very good, e.g. (exp -708)
was off by far more than 1ulp. It can be done that way, but we need
to use 64-bit precision for it, and setting the i387 precision here
is getting a bit far afield from open-coding.
Taylor R Campbell [Fri, 14 Dec 2018 16:12:09 +0000 (16:12 +0000)]
Relax expm1 tests; i387 in 53-bit precision won't guarantee 0.5ulp.
Taylor R Campbell [Fri, 14 Dec 2018 15:58:27 +0000 (15:58 +0000)]
Guard against loading any NaN into double here.
The i387 floating-point unit raises an exception if you even load
sNaN into the floating-point stack.
Taylor R Campbell [Fri, 14 Dec 2018 15:43:07 +0000 (15:43 +0000)]
Clear exceptions before enabling traps.
Taylor R Campbell [Fri, 14 Dec 2018 15:18:04 +0000 (15:18 +0000)]
Use integer bit tests in FLONUM-IS-NEGATIVE?.
Otherwise this raises an exception for sNaN on i387.
Taylor R Campbell [Fri, 14 Dec 2018 15:17:47 +0000 (15:17 +0000)]
Provide hokey alternatives if no SSE or i387.
Taylor R Campbell [Fri, 14 Dec 2018 15:11:44 +0000 (15:11 +0000)]
Re-enable the SSE instructions in i386.
We don't generate SSE code in the compiler but we need to maintain
the mxcsr in the floating-point environment.
Taylor R Campbell [Fri, 14 Dec 2018 13:42:18 +0000 (13:42 +0000)]
Disable open-coding of flonum-copysign/abs/negate on i386 for now.
Requires too much work to get these to handle signalling NaN
correctly at the moment.
Taylor R Campbell [Thu, 13 Dec 2018 00:13:09 +0000 (00:13 +0000)]
Rewrite flonum-copysign/abs/negate primitives using integer masks.
Otherwise these spuriously raise exceptions on i387 because merely
loading a signalling NaN onto the fp stack does so.
Taylor R Campbell [Wed, 12 Dec 2018 22:33:34 +0000 (22:33 +0000)]
Make flonum comparison primitives raise exceptions in ucode.
Chris Hanson [Sat, 15 Dec 2018 21:48:47 +0000 (13:48 -0800)]
Set indent-tabs-mode to t in this directory.
This has been true historically. I'd like to eventually eliminate the use of
tabs in our code base.
Taylor R Campbell [Wed, 12 Dec 2018 22:33:57 +0000 (22:33 +0000)]
Use FCOM, not FUCOM, for ordered comparisons.
Taylor R Campbell [Wed, 12 Dec 2018 23:46:48 +0000 (23:46 +0000)]
Rewrite NaN primitives in terms of integer data.
On i387, merely loading and storing a double is enough to turn a
signalling NaN into a quiet NaN, so load and store uint64_t instead.
Taylor R Campbell [Wed, 12 Dec 2018 22:07:09 +0000 (22:07 +0000)]
Call the primitives directly.
These are no longer integrated, so we can't make a compound procedure
call if they are interpreted -- the interpreter will stomp all over
Free while we're in the middle of allocating the string, leading to
mayhem. But it is safe to call the primitive, even though it is no
longer open-coded.
Taylor R Campbell [Wed, 12 Dec 2018 20:18:39 +0000 (20:18 +0000)]
Skip constant-folding MD primitives when cross-compiling.
Taylor R Campbell [Wed, 12 Dec 2018 19:33:05 +0000 (19:33 +0000)]
Distinguish bytes-per-object from target-bytes-per-object.
This is a kludge for now until we have a syntactic tower where we can
use distinct environments at each level of syntax expansion.
Taylor R Campbell [Wed, 12 Dec 2018 16:25:59 +0000 (16:25 +0000)]
Missed some .bin spots.
Taylor R Campbell [Wed, 12 Dec 2018 16:19:16 +0000 (16:19 +0000)]
Fix floating-point alignment stuff.
- Allow fasdump-storage of #f for alignment.
- Use only one mechanism for alignment, not two competing ones that
step on each other's toes.
Taylor R Campbell [Tue, 11 Dec 2018 23:50:41 +0000 (23:50 +0000)]
More line breaks for clarity.
Taylor R Campbell [Tue, 11 Dec 2018 23:50:07 +0000 (23:50 +0000)]
Fix environment this test runs in.
Taylor R Campbell [Tue, 11 Dec 2018 22:35:20 +0000 (22:35 +0000)]
Restore separation of syntax-* and compile-* targets.
This gives better parallelism; no need to wait for the runtime .com
files when we just need the .pkd from the .bin files for cref.
Taylor R Campbell [Tue, 11 Dec 2018 22:28:17 +0000 (22:28 +0000)]
Make these tests run on svm1.
Taylor R Campbell [Tue, 11 Dec 2018 22:01:18 +0000 (22:01 +0000)]
Fix fixnum range.
Taylor R Campbell [Tue, 11 Dec 2018 21:58:52 +0000 (21:58 +0000)]
Exercise some more fasdump cases. Fix missing definition.
Small bignums are busted.
Taylor R Campbell [Tue, 11 Dec 2018 15:59:30 +0000 (15:59 +0000)]
Teach `make cross-host' to convert .nib -> .bin &c.
This is more expedient for now than finding all the places in SF/CREF
that fasdump anything to fasdump both the .nib and the .bin file.
Taylor R Campbell [Tue, 11 Dec 2018 15:54:48 +0000 (15:54 +0000)]
New make target install-toolchain just installs the toolchain.
Useful for working on the cross-compiler when we don't need Edwin &c.
Taylor R Campbell [Tue, 11 Dec 2018 15:57:32 +0000 (15:57 +0000)]
Make `make all-toolchain' also build sos, ssp, and xml.
These are needed in the cross-compiler during cross-host.
Taylor R Campbell [Tue, 11 Dec 2018 15:55:42 +0000 (15:55 +0000)]
Do all-compiler/sf/cref only in cross-host, not in cross-target.
In the cross-compiled system when doing cross-target, which depends
on runtime.com and all.com, the dependencies of runtime.com and
all.com were already made by cross-host.
Taylor R Campbell [Tue, 11 Dec 2018 15:52:07 +0000 (15:52 +0000)]
Teach cross-SF/CREF to dump/load in .nib, .txe, .dkp.
These correspond to .bin, .ext, .pkd. LOAD-OPTION still loads from
.bin, .ext, .pkd (and .com) for libraries that are installed and are
not macro definitions of subsystems being cross-compiled.
This backwards suffix business is getting a little out of hand.
Possible partial alternatives:
- .xbin/.xext/.xpkd
- invent a static linker in the toolchain that can run on the cross
host rather than using make.scm and disk-save in the cross target
- devise a portable fasload that sf/cref can use in the cross host
- use a machine-independent file format for .bin/.ext/.pkd
Taylor R Campbell [Tue, 11 Dec 2018 15:48:03 +0000 (15:48 +0000)]
Move fasl version check earlier.
This breaks INHIBIT_FASL_VERSION_CHECK -- but that was already broken
so that Scheme would abort (!) before even getting to the check,
because of the conditional in fasl_object_address which is called by
decode_fasl_header.
If someone wants to revive INHIBIT_FASL_VERSION_CHECK, be my guest,
though it might be easier to do whatever you're trying to do with the
portable fasdumper instead.
Taylor R Campbell [Tue, 11 Dec 2018 15:44:19 +0000 (15:44 +0000)]
Split svm1 into four architectures: svm1 x {32,64} x {be,le}.
--with-cross-target must specify exactly which one to use for now.
--enable-native-code=svm1 or svm1-le or svm1-64 will fill in the
remaining parameters (word size, byte order) from the host system
characteristics.
Taylor R Campbell [Tue, 11 Dec 2018 15:35:34 +0000 (15:35 +0000)]
Make `make cross-target' work in three stages.
1. moc->com in runtime, so the next stages can use a compiled runtime
2. moc->com in the whole tree
3. fni->inf in the whole tree
XXX Maybe the latter stages can be combined; for now this change just
splits the first two apart. Even better, maybe we can nix this step
altogether and teach the cross-fasdumper to do this part itself.
Wouldn't be hard to teach the cross-fasdumper to do the relocation
that currently requires sketchy with-absolutely-no-interrupts crap.
For compile-scode, could maybe just fasdump to a bytevector in memory
and invent a primitive to fasload from that.
Taylor R Campbell [Tue, 11 Dec 2018 15:32:34 +0000 (15:32 +0000)]
Tweak fasdumper to null-terminate bytevectors too.
find_primitive relies on symbol names (which were formerly `strings',
i.e. `vector-8b' or TC_CHARACTER_STRING, and are now `bytevectors')
to be null-terminated.
Rather than try to figure out which ones are primitive names and
which ones are not, we'll just null-terminate all of them.
We can undo this if we change find_primitive. (We need to change the
compile-time tool findprim.c anyway because its strcmp_ci misuses
islower/toupper.)
Taylor R Campbell [Tue, 11 Dec 2018 15:17:33 +0000 (15:17 +0000)]
Merge remote-tracking branch 'origin/master' into cross-fasdump-v2
Chris Hanson [Tue, 11 Dec 2018 07:31:15 +0000 (23:31 -0800)]
Generate char sets for each UCD general category and numeric type.
And use these to avoid expensive computations in ucd-glue.
Chris Hanson [Tue, 11 Dec 2018 07:30:37 +0000 (23:30 -0800)]
Fix bug in inverting empty character set.
Chris Hanson [Mon, 10 Dec 2018 07:00:55 +0000 (23:00 -0800)]
Fix bug in string-copy!.
Chris Hanson [Mon, 10 Dec 2018 07:00:18 +0000 (23:00 -0800)]
Add tests for string-copy!, which has a bug.
Chris Hanson [Mon, 10 Dec 2018 06:58:55 +0000 (22:58 -0800)]
Add support for 'expect-failure? property on assertions.
This allows an individual assertion to be marked as broken. When the problem is
fixed, the property can be removed.
Chris Hanson [Mon, 10 Dec 2018 04:39:37 +0000 (20:39 -0800)]
Eliminate use of TC_LEGACY_STRING for symbol names.
Chris Hanson [Sun, 9 Dec 2018 05:02:07 +0000 (21:02 -0800)]
Change all string operations that accept chars to work for any char.
They dump the bucky bits as needed to make this work.
Chris Hanson [Sun, 9 Dec 2018 02:26:45 +0000 (18:26 -0800)]
Implement char->bitless-char.
Taylor R Campbell [Sun, 9 Dec 2018 00:28:53 +0000 (00:28 +0000)]
Merge remote-tracking branch 'origin/master' into cross-fasdump-v2