* module/language/cps/compile-bytecode.scm (compile-fun): Now that all
$call expressions continue to $ktail or $ktrunc, remove the $kargs
case, and make receive-values bail if too many values are returned.
* module/language/tree-il/compile-cps.scm (init-default-value, convert):
Explicitly insert $ktrunc nodes on all places that can truncate to
single values.
* module/language/cps/slot-allocation.scm (allocate-slots): For
truncating calls, shuffle the first return value (if any). Avoids
frame size growth due to sparse locals, pegged where they were left by
procedure call returns. With this patch, eval with $ktrunc nodes goes
from 31 locals to 18 (similar to the size before adding $ktrunc
nodes).
* module/language/cps/slot-allocation.scm (allocate-slots): Fix bug in
allocate!, whereby a previously hinted allocation would not be added
to the live set if a hint was not given later.
* module/language/cps.scm:
* module/language/cps/closure-conversion.scm:
* module/language/cps/compile-bytecode.scm:
* module/language/cps/dfg.scm:
* module/language/cps/slot-allocation.scm:
* module/language/cps/verify.scm:
* module/language/tree-il/compile-cps.scm: Remove "pop" member from
$prompt data type, as it is no longer used.
* module/language/cps/dfg.scm (compute-live-variables, visit-fun):
Use the new prompt analysis pass in analyze-control-flow instead of
always adding a link in the DFG. Avoids problems if there are
parts of the prompt body that have no path to the pop.
* module/language/cps/dfg.scm (compute-reachable, find-prompts)
(compute-interval, find-prompt-bodies, visit-prompt-control-flow): New
helpers.
(analyze-control-flow): Add a mode that adds on CFA edges
corresponding to non-local control flow in a prompt.
* module/language/cps/dfg.scm ($dfa): Store a CFA instead of a separate
k-map and order.
(dfa-k-idx, dfa-k-sym, dfa-k-count): Adapt.
(compute-live-variables): Use analyze-control-flow instead of rolling
out own RPO numbering. Will allow us to fix some prompt-related
things in a central place.
* module/language/cps/dfg.scm (reverse-post-order): Fold-all-conts is
now a required arg.
(analyze-control-flow): Reverse CFA adds forward-reachable
continuations to the numbering.
* module/language/cps/dfg.scm (constant-needs-allocation?): Use of a
constant in a $values expression of any arity does not cause slot
allocation.
* module/language/cps/compile-bytecode.scm (compile-fun): Allow $values
with a constant value to be compiled in test context. Really we
should fold these in a previous pass!
Reported by Jordy Dickinson <jordy.dickinson@gmail.com>.
Fixes <http://bugs.gnu.org/15691>.
* module/system/vm/traps.scm (frame-matcher): Extract procedure when
proc is an applicable struct.
Fixes <http://bugs.gnu.org/15533>.
* module/language/tree-il/peval.scm (peval): Final list argument to
`apply' should not be inlined if it is mutable.
* test-suite/tests/peval.test ("partial evaluation"): Add test.
Reported by taylanbayirli@gmail.com (Taylan Ulrich B.).
* module/ice-9/psyntax.scm (cvt*): Use 'syntax-case' to destructure
the pattern tail, instead of 'pair?', 'car', and 'cdr'.
(gen-clause): When checking for errors, check for misplaced ellipsis
before duplicate pattern variables, to improve the error message in
case of multiple misplaced ellipses.
* module/ice-9/psyntax-pp.scm: Regenerate.
* test-suite/tests/syntax.test: Add tests.
* module/system/vm/linker.scm (relocate-section-header):
(write-linker-object): Sections that are not loadable should not have
their sh_addr fields set. Fix.
* module/language/cps/slot-allocation.scm (allocate-slots): Don't
allocate slots to unused results of function calls. This can allow us
to avoid consing a rest list for call-with-values with an ignored rest
parameter, and can improve the parallel move code.
* module/language/cps/compile-bytecode.scm (compile-fun): Adapt to avoid
emitting bind-rest in values context if the rest arg is unused.
* module/oop/goops.scm: Remove definitions of @slot-ref and @slot-set!.
They are equivalent to struct-ref and struct-set!.
(define-standard-accessor-method): Reimplement using syntax-case.
(bound-check-get, standard-get, standard-set): Replace @slot-ref and
@slot-set! uses with struct-ref and struct-set!.
* module/language/cps/reify-primitives.scm (primitive-module): Remove
@slot-set! and @slot-ref references.
* module/Makefile.am: Arrange to build psyntax-pp.go in serial mode,
after eval.go. Before the expander is compiled, expanding all the
Scheme files dominates compile-time, even for larger files like
psyntax-pp.scm. If we compile psyntax in parallel with other files,
it could be one of the other files finishes first, leading to two
consecutive compiles that have to use an uncompiled psyntax expander.
Ordering the compilation minimizes total real and user time, at least
locally on a 4-core machine.
Also take the opportunity to shuffle compile order for the rest of the
Scheme files, to build parts of the RTL compiler early.
* module/language/cps/contification.scm (compute-contification):
Converge more quickly by using the information we compute within a
compute-contification pass.
* module/language/cps/contification.scm (compute-contification): If we
decide to contify, don't forget to visit the body. Should make
contification converge faster.
Fixes <http://bugs.gnu.org/15683>.
Reported by David Pirotte <david@altosw.be>.
* module/ice-9/popen.scm: Import (ice-9 threads) and (srfi srfi-9).
(<pipe-info>): New record type.
(port/pid-table): Mark as deprecated in comment.
(port/pid-table-mutex): New variable.
(open-pipe*): Store the pid in the pipe-info record, and store the
pipe-info as a port property. Guard the pipe-info instead of the
port. Lock 'port/pid-table-mutex' while mutating 'port/pid-table'.
(fetch-pid): Removed.
(fetch-pipe-info): New procedure.
(close-process-quietly): Removed.
(close-pipe): Use 'fetch-pipe-info' instead of 'fetch-pid'. Clear
the pid from the pipe-info. Improve error messages.
(reap-pipes): Adapt to the fact that the pipe-info is now guarded
instead of the port. Incorporate the 'waitpid' code that was
previously in 'close-process-quietly', but let the port finalizer
close the port. Clear the pid from the pipe-info.
