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3117 commits

Author SHA1 Message Date
Mark H Weaver
0b83be7eb6 Revert "Fix bound-identifier=? to compare binding names, not just symbolic names."
This reverts commit 70c74b8476.
2013-12-16 22:55:25 -05:00
Mark H Weaver
70c74b8476 Fix bound-identifier=? to compare binding names, not just symbolic names.
Fixes <http://bugs.gnu.org/16158>.

* module/ice-9/psyntax.scm (bound-id=?): Use 'id-var-name' to compare
  binding names (gensyms), not just symbolic names.

* module/ice-9/psyntax-pp.scm: Regenerate.

* test-suite/tests/syntax.test: Add test.
2013-12-15 19:04:59 -05:00
Mark H Weaver
aa8630efb3 syntax-case: fix error reporting for misplaced ellipses.
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.
2013-12-13 13:25:07 -05:00
Andy Wingo
812c83d48b Fix section table writing for non-loadable sections
* module/system/vm/linker.scm (add-elf-objects): Don't fill in the
  sh_addr field if the section is not loadable.
2013-12-10 20:03:59 +01:00
Andy Wingo
a236867dc1 Non-loadable sections should not have an sh_addr field set
* 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.
2013-12-10 19:49:56 +01:00
Andy Wingo
7bbfc02959 Arities-fixing pass handles incoming $ktrunc with rest args
* module/language/cps/arities.scm (fix-clause-arities): Allow $ktrunc
  arities with rest arguments.
2013-12-06 12:04:10 +01:00
Andy Wingo
67b5d06c1a Elide values primcalls with continuations with rest arguments
* module/language/cps/elide-values.scm (elide-values): Elide values
  primcalls when continuation has rest arguments.
2013-12-06 11:39:04 +01:00
Andy Wingo
fa48a2f79a (call-with-values foo (lambda (a . b) a)) avoids consing rest list
* 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.
2013-12-06 11:08:45 +01:00
Andy Wingo
691697de09 Rename "RTL" to "bytecode"
"RTL" didn't make any sense, and now that there's no other bytecode to
disambiguate against, just call it bytecode.

* module/Makefile.am:
* module/ice-9/eval-string.scm:
* module/language/bytecode.scm:
* module/language/bytecode/spec.scm:
* module/language/cps/arities.scm:
* module/language/cps/compile-bytecode.scm:
* module/language/cps/compile-rtl.scm:
* module/language/cps/contification.scm:
* module/language/cps/elide-values.scm:
* module/language/cps/primitives.scm:
* module/language/cps/reify-primitives.scm:
* module/language/cps/spec.scm:
* module/language/cps/specialize-primcalls.scm:
* module/language/rtl.scm:
* module/language/rtl/spec.scm:
* module/scripts/compile.scm:
* module/system/base/compile.scm:
* module/system/repl/common.scm:
* module/system/vm/assembler.scm:
* module/system/vm/debug.scm:
* module/system/vm/disassembler.scm:
* module/system/vm/dwarf.scm:
* test-suite/tests/cross-compilation.test:
* test-suite/tests/dwarf.test:
* test-suite/tests/rtl-compilation.test:
* test-suite/tests/rtl.test:
* test-suite/vm/run-vm-tests.scm: Fixups.
2013-12-02 21:31:47 +01:00
Andy Wingo
e54c7dd67c Fix brainfuck comment
* module/language/brainfuck/parse.scm: Fix outdated comment.
2013-12-02 19:03:50 +01:00
Andy Wingo
60ce72b9b9 Fix brainfuck->scheme compiler.
* module/language/brainfuck/compile-scheme.scm (compile-scheme): Fix
  brainfuck compiler.
2013-12-02 19:03:48 +01:00
Andy Wingo
7f71030837 Fix brainfuck comment
* module/language/brainfuck/parse.scm: Fix outdated comment.
2013-12-02 19:02:38 +01:00
Andy Wingo
cdc75fd001 Fix brainfuck->scheme compiler.
* module/language/brainfuck/compile-scheme.scm (compile-scheme): Fix
  brainfuck compiler.
2013-12-02 19:02:38 +01:00
Andy Wingo
4d6a7ac6ad Remove GOOPS-internal @slot-ref and @slot-set!
* 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.
2013-11-30 18:46:14 +01:00
Andy Wingo
1b1c912544 Unknown files print as (unknown file) in disassembler
* module/system/vm/disassembler.scm (disassemble-buffer): Print unknown
  files as "(unknown file)".
2013-11-30 18:46:14 +01:00
Andy Wingo
321c32dc9d ,x disassembles nested programs too
* module/system/vm/disassembler.scm (code-annotation):
  (disassemble-buffer, disassemble-addr, disassemble-program): Arrange
  to disassemble nested procedures.
  (disassemble-image): Adapt.
2013-11-30 18:46:14 +01:00
Andy Wingo
5dfafc3c76 Merge commit 'e7bd20f7d9' 2013-11-28 16:15:55 +01:00
Andy Wingo
ae9c16e895 Merge commit '17330398d5' 2013-11-28 16:15:51 +01:00
Andy Wingo
f76cf73a49 Merge commit '8571dbde63'
Conflicts:
	libguile/procprop.c
2013-11-28 15:00:17 +01:00
Andy Wingo
6dd9810902 Merge commit '750ac8c592'
Conflicts:
	.gitignore
	libguile/deprecated.c
2013-11-28 14:53:03 +01:00
Andy Wingo
f689dd6982 Remove the restore-continuation-hook.
* libguile/vm.h:
* libguile/vm.c:
* libguile/vm-engine.c:
* module/system/vm/traps.scm:
* module/system/vm/vm.scm: Remove the unused and redundant
  restore-continuation-hook.
2013-11-27 22:03:58 +01:00
Andy Wingo
c30edbbd5b Build psyntax-pp serially after eval.go.
* 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.
2013-11-26 10:47:29 +01:00
Andy Wingo
310da5e1ef Contification converges more quickly
* module/language/cps/contification.scm (compute-contification):
  Converge more quickly by using the information we compute within a
  compute-contification pass.
2013-11-26 08:52:56 +01:00
Andy Wingo
7338a49fa1 Compute-contification also visits body
* module/language/cps/contification.scm (compute-contification): If we
  decide to contify, don't forget to visit the body.  Should make
  contification converge faster.
2013-11-25 20:07:53 +01:00
Mark H Weaver
e7bd20f7d9 Make (ice-9 popen) thread-safe.
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.
2013-11-23 17:47:39 -05:00
Mark H Weaver
17330398d5 Stylistic improvements for (ice-9 popen).
* module/ice-9/popen.scm (close-process, close-process-quietly): Accept
  'port' and 'pid' as separate arguments.  Improve style.
  (close-pipe, read-pipes): Improve style.
2013-11-23 15:53:33 -05:00
Andy Wingo
a222cbc9d1 No more VM objects visible to Scheme
* libguile/vm.h:
* libguile/vm.c (scm_the_vm): Don't expose to Scheme.
  (scm_vm_p): Remove, as it is not needed.

* module/system/vm/vm.scm: Remove the-vm and vm? exports.

* doc/ref/api-coverage.texi (Code Coverage):
* test-suite/tests/coverage.test:
* module/system/vm/coverage.scm (with-code-coverage): Don't take a VM
  argument.  Adapt documentation and tests.

* module/ice-9/command-line.scm: Remove the-vm autoload.

* module/system/vm/trace.scm (trace-calls-to-procedure):
  (trace-calls-in-procedure):
  (trace-instructions-in-procedure):
  (call-with-trace): Remove #:vm kwarg, and adapt to trap changes.

* module/system/vm/trap-state.scm (the-trap-state): Rework to use a
  parameter underneath instead of a weak key on (the-vm).

* module/system/vm/traps.scm (new-disabled-trap):
  (new-enabled-trap): Remove vm argument.
  (trap-at-procedure-call):
  (trap-in-procedure):
  (trap-instructions-in-procedure):
  (trap-at-procedure-ip-in-range):
  (trap-at-source-location):
  (trap-frame-finish):
  (trap-in-dynamic-extent):
  (trap-calls-in-dynamic-extent):
  (trap-instructions-in-dynamic-extent):
  (trap-calls-to-procedure):
  (trap-matching-instructions): Remove vm keyword arguments.

* test-suite/tests/control.test ("unwind"): Adapt test.

* test-suite/tests/eval.test (test-suite): Remove the-vm import.
2013-11-21 16:45:03 +01:00
Andy Wingo
972275eee5 VM accessors take VM as implicit argument, not explicit argument
* libguile/vm.h:
* libguile/vm.c:
  (scm_vm_apply_hook, scm_vm_push_continuation_hook,
  scm_vm_pop_continuation_hook, scm_vm_abort_continuation_hook,
  scm_vm_restore_continuation_hook, scm_vm_next_hook,
  scm_vm_trace_level, scm_set_vm_trace_level_x, scm_vm_engine,
  scm_set_vm_engine_x, scm_c_set_vm_engine_x): The VM argument is now
  implicit: the VM for the current thread.

* doc/ref/api-debug.texi (VM Hooks): Try to adapt.

* module/ice-9/command-line.scm:
* module/statprof.scm:
* module/system/vm/coverage.scm:
* module/system/vm/trace.scm:
* module/system/vm/trap-state.scm:
* module/system/vm/traps.scm:
* test-suite/tests/control.test:
* test-suite/tests/eval.test: Adapt users that set hooks or ensure that
  we have a debug engine.
2013-11-21 16:10:41 +01:00
Andy Wingo
3583665aa0 Remove unused vm:ip, vm:sp, vm:fp
* libguile/vm.h:
* libguile/vm.c (scm_vm_ip, scm_vm_fp, scm_vm_sp): Remove unused
  functions.

* module/system/vm/vm.scm: Remove exports.
2013-11-21 15:02:36 +01:00
Andy Wingo
e08caa5620 Remove make-vm; there will be one vm per thread now.
* libguile/vm.h:
* libguile/vm.c (scm_make_vm): Remove.

* module/system/vm/vm.scm: Remove make-vm export.

* test-suite/tests/control.test ("the-vm"):
* test-suite/tests/coverage.test (%test-vm):
* test-suite/tests/eval.test ("stack overflow"): Adapt tests.
2013-11-21 15:00:03 +01:00
Andy Wingo
4cbc95f150 Rename objcodes?.{scm,c,h} to loader.{scm,c,h}
* libguile/loader.c:
* libguile/loader.h: Rename from objcodes.[ch].
* module/system/vm/loader.scm: Rename from objcode.scm.

* libguile/Makefile.am:
* libguile/gsubr.c:
* libguile/init.c:
* libguile/procs.c:
* libguile/vm.c:
* module/Makefile.am:
* module/ice-9/eval-string.scm:
* module/language/rtl/spec.scm:
* module/system/base/target.scm:
* module/system/repl/command.scm:
* module/system/repl/common.scm:
* module/system/vm/debug.scm:
* module/system/vm/disassembler.scm:
* module/system/vm/objcode.scm:
* test-suite/tests/compiler.test:
* test-suite/tests/dwarf.test:
* test-suite/tests/rtl-compilation.test:
* test-suite/tests/rtl.test: Adapt.
2013-11-19 21:45:07 +01:00
Andy Wingo
c0a1a0b12d Remove (oop goops) <objcode> export
* module/oop/goops.scm (oop): Remove objcode export.
2013-11-19 21:32:42 +01:00
Andy Wingo
1b780c134b (system vm instruction) rtl-instruction-list -> (language rtl) instruction-list
* libguile/instructions.c (struct scm_instruction, fetch_instruction_table)
  (scm_instruction_list): Remove rtl_ infix.
* libguile/instructions.h: Adapt.

* module/system/vm/instruction.scm: Remove.

* module/language/rtl.scm: Export instruction-list from here.

* module/Makefile.am:
* module/language/cps/primitives.scm:
* module/system/vm/assembler.scm:
* module/system/vm/disassembler.scm:
* module/system/vm/frame.scm:
* module/system/vm/program.scm:
* module/system/vm/trace.scm:
* module/system/vm/traps.scm: Adapt.
2013-11-19 20:45:57 +01:00
Andy Wingo
8bf83893c7 Rename DT_GUILE_VM_VERSION.
* libguile/objcodes.c (DT_GUILE_VM_VERSION, process_dynamic_segment):
* module/system/vm/elf.scm (DT_GUILE_VM_VERSION): Rename from
  DT_GUILE_RTL_VERSION.
* module/system/vm/assembler.scm (link-dynamic-section): Adapt.
2013-11-19 20:02:15 +01:00
Andy Wingo
6b9470bf48 Rename internal rtl-program-properties -> program-properties
* module/system/vm/program.scm (program-properties): Rename from
  rtl-program-properties.

* libguile/programs.c (scm_i_program_properties): Adapt.
2013-11-19 19:50:15 +01:00
Andy Wingo
34cf09ccdf Rename internals of (system vm program) program-minimum-arity
* module/system/vm/debug.scm (find-program-minimum-arity): Rename from
  program-minimum-arity.

* module/system/vm/program.scm (program-minimum-arity): Rename from
  rtl-program-minimum-arity.

* libguile/programs.c (scm_i_program_arity): Adapt.
2013-11-19 19:45:56 +01:00
Andy Wingo
2e12c1a2b7 Rename (system vm program) internal functions to remove rtl-
* module/system/vm/program.scm (program-name)
  (program-documentation): Rename (removing rtl-).
* libguile/programs.c (scm_i_program_name):
  (scm_i_program_documentation): Adapt callers.
2013-11-19 19:38:48 +01:00
Andy Wingo
d1100525ff rtl-program-code -> program-code
* libguile/programs.h:
* libguile/programs.c (scm_program_code): Rename from
  scm_rtl_program_code.  Also renames rtl-program-code to program-code.

* module/statprof.scm:
* module/system/repl/command.scm:
* module/system/repl/debug.scm:
* module/system/vm/coverage.scm:
* module/system/vm/disassembler.scm:
* module/system/vm/program.scm:
* module/system/vm/traps.scm:
* test-suite/tests/dwarf.test:
* test-suite/tests/rtl.test: Adapt callers.
2013-11-19 19:36:27 +01:00
Andy Wingo
0bd1e9c6a0 rtl-program? -> program?
* libguile/programs.c (scm_program_p): Rename from scm_rtl_program_p.
  Changes name also from rtl-program? to program?.

* libguile/programs.h:
* module/ice-9/session.scm:
* module/language/tree-il/analyze.scm:
* module/statprof.scm:
* module/system/repl/command.scm:
* module/system/repl/debug.scm:
* module/system/vm/coverage.scm:
* module/system/vm/disassembler.scm:
* module/system/vm/frame.scm:
* module/system/vm/program.scm:
* module/system/vm/traps.scm:
* module/system/xref.scm: Adapt.
2013-11-19 19:11:40 +01:00
Andy Wingo
edba822553 Remove make-rtl-program.
* libguile/programs.h:
* libguile/programs.c (scm_make_rtl_program): Remove.  Unused.

* module/system/vm/program.scm (system): Remove make-rtl-program
  export.  Unused.
2013-11-19 19:03:09 +01:00
Andy Wingo
e0755cd12a Rename scm_tc7_rtl_program to scm_tc7_program
* libguile/tags.h (scm_tc7_program): Rename from scm_tc7_rtl_program.
* libguile/continuations.c:
* libguile/control.c:
* libguile/evalext.c:
* libguile/foreign.c:
* libguile/goops.c:
* libguile/gsubr.c:
* libguile/print.c:
* libguile/programs.c:
* libguile/programs.h:
* libguile/vm-engine.c: Adapt users.

* module/system/vm/assembler.scm: Rename a tc7-rtl-program local to
  tc7-program.
* libguile/tags.h (scm_tc7_program): Rename from scm_tc7_rtl_program. * libguile/continuations.c: * libguile/control.c: * libguile/evalext.c: * libguile/foreign.c: * libguile/goops.c: * libguile/gsubr.c: * libguile/print.c: * libguile/programs.c: * libguile/programs.h: * libguile/vm-engine.c: Adapt users.

* module/system/vm/assembler.scm: Rename a tc7-rtl-program local to
  tc7-program.
2013-11-19 18:24:54 +01:00
Mark H Weaver
8904b7a936 Web: accept "UTC" as the zone offset in date headers.
Fixes <http://bugs.gnu.org/14128>.
Reported by Aleix Conchillo Flaqué <aconchillo@gmail.com>.

* module/web/http.scm (parse-zone-offset): Accept "UTC".
2013-11-19 03:22:00 -05:00
David Thompson
5063f0a93b Add procedures to convert alists into hash tables.
* module/ice-9/hash-table.scm: New module.

* test-suite/tests/hash.test ("alist conversion"): Add tests.

* doc/ref/api-compound.texi (Hash Table Reference): Add docs.
2013-11-18 23:03:38 -05:00
Mark H Weaver
02500d4477 Convert guile exceptions to R6RS conditions in R6RS exception handlers.
* module/rnrs/exceptions.scm (&guile): New condition type.

  (guile-condition-converters): New variable.

  (convert-guile-condition, default-guile-condition-converter,
  set-guile-condition-converter!, guile-common-conditions,
  guile-lexical-violation-converter, guile-syntax-violation-converter,
  guile-assertion-violation-converter, guile-system-error-converter,
  guile-undefined-violation-converter, guile-error-converter,
  guile-implementation-restriction-converter): New procedures.

  (with-exception-handler): Catch all exceptions, not just R6RS
  exceptions.  Convert native Guile exceptions to R6RS conditions,
  preserving the original Guile exception information in the &guile
  condition object.

  (raise): If the condition includes a &guile condition, use 'throw' to
  throw the original native guile exception instead of raising an R6RS
  exception.

* test-suite/tests/r6rs-exceptions.test ("guile condition conversions"):
  Add tests.
2013-11-18 00:35:42 -05:00
Mark H Weaver
750ac8c592 Improve error when 'include' form with relative path is not in a file.
Reported by Nala Ginrut <nalaginrut@gmail.com>.

* module/ice-9/psyntax.scm (include): Give a proper error message when
  given a relative file name, and when the form is not in a file.

* module/ice-9/psyntax-pp.scm: Regenerate.
2013-11-18 00:14:23 -05:00
Andy Wingo
b636cdb0f3 Frame pointer points to local 0 instead of local 1
* libguile/frames.h: Change so that fp points at local 0 instead of
  local 1, and clean up a bit.
  (struct scm_vm_frame): Remove program, and rename stack to locals.
  (SCM_FRAME_DATA_ADDRESS): Remove; it was redundant with
  SCM_FRAME_LOWER_ADDRESS.
  (SCM_FRAME_STACK_ADDRESS): Remove; replace with the new
  SCM_FRAME_LOCALS_ADDRESS.
  (SCM_FRAME_UPPER_ADDRESS): Remove; unused.
  (SCM_FRAME_NUM_LOCALS, SCM_FRAME_PREVIOUS_SP): New defines.
  (SCM_FRAME_BYTE_CAST, SCM_FRAME_STACK_CAST): Remove; unused;
  (SCM_FRAME_LOCAL): New define, replaces SCM_FRAME_VARIABLE.
  (SCM_FRAME_PROGRAM): Add cautionary commentary.

* libguile/frames.c: Adapt static asserts.
  (scm_frame_num_locals, scm_frame_local_ref, scm_frame_local_set_x):
  Adapt.  This means that frame-local-ref 0 now returns the procedure.

* libguile/vm-engine.c (ALLOC_FRAME, RESET_FRAME)
  (FRAME_LOCALS_COUNT, LOCAL_REF, LOCAL_SET, RETURN_VALUE_LIST): Adapt
  to change in fp.
  (LOCAL_ADDRESS): New helper.
  (POP_CONTINUATION_HOOK): Reimplement, taking the previous FP as an
  argument.
  (ABORT_CONTINUATION_HOOK): Reimplement, taking no arguments.
  (RETURN_ONE_VALUE): Reimplement.
  (RETURN_VALUE_LIST): Adapt to FP change.
  (halt, return-values, subr-call, foreign-call, prompt)
  (continuation-call, compose-continuation, call/cc, abort): Adapt to FP
  change, mostly via using LOCAL_ADDRESS, etc abstractions instead of
  using the raw frame pointer.

* libguile/control.c (reify_partial_continuation): Update for fp
  change.

* libguile/vm.c (vm_reinstate_partial_continuation): Adapt to removal of
  SCM_FRAME_UPPER_ADDRESS.

* module/system/vm/frame.scm (frame-call-representation): Adapt to
  frame-local-ref change.

* module/system/vm/trace.scm (print-return): Remove unused
  frame-num-locals call.
2013-11-17 22:07:44 +01:00
Andy Wingo
f8085163d6 Remove MVRA from VM frames
* libguile/_scm.h (SCM_OBJCODE_MINOR_VERSION): Bump for frame layout
  change.

* libguile/frames.c: Update some static checks.
  (scm_frame_num_locals, scm_frame_local_ref, scm_frame_local_set_x):
  Update to not skip over uninitialized frames, as that's not a thing
  any more.

* libguile/frames.h: Update to remove MVRA.  Woo!

* libguile/vm-engine.c (ALLOC_FRAME, RETURN_ONE_VALUE):
  (rtl_vm_engine): Update for 3 words per frame instead of 4.

* libguile/vm.c (vm_return_to_continuation): Likewise.

* module/language/cps/slot-allocation.scm (allocate-slots): 3 words per
  frame, not 4.

* module/system/vm/assembler.scm (*bytecode-minor-version*): Bump.  Also
  remove a couple of tc7's that aren't around any more.
2013-11-15 17:13:27 +01:00
Andy Wingo
0c247a2fb6 Try to allocate arguments directly in call frames
* module/language/cps/slot-allocation.scm (allocate-slots): Convert
  cont-table to a vector, for ease of access.  Run a pass before
  allocation that determines the set of variables whose slot allocation
  can and should be delayed, so that they can ideally be allocated
  directly in an argument slot.
2013-11-15 15:19:04 +01:00
Andy Wingo
987c1f5ff3 Rewrite slot allocation pass
* module/language/cps/slot-allocation.scm ($allocation): Refactor
  internal format of allocations.  Instead of an allocation being a hash
  table of small $allocation objects, it is an $allocation object that
  contains packed vectors.
  (find-first-trailing-zero): Rework to not need a maximum.
  (lookup-maybe-slot): New interface.
  (lookup-slot): Raise an error if a var has no slot.
  (lookup-call-allocation): New helper.
  (lookup-constant-value, lookup-maybe-constant-value):
  (lookup-call-proc-slot, lookup-parallel-moves): Adapt to $allocation
  change

  (allocate-slots): Rewrite so that instead of being recursive, it
  traverses the blocks in CFA order.  Also, procedure call frames are
  now allocated with respect to the live set after using arguments (and
  killing any dead-after-use vars); this should make call frames more
  compact but it does necessitate a parallel move solution.  Therefore
  parallel moves are recorded for all calls, for arguments; also if the
  continuation is a $ktrunc, the continuation gets parallel moves for
  the results.

  This rewrite is in preparation to allocating call args directly in the
  appropriate slots, where possible.

* module/language/cps/compile-rtl.scm (compile-fun): Adapt to slot
  allocation changes, using lookup-maybe-slot where appropriate,
  performing parallel moves when calling functions, and expecting return
  moves to be associated with $ktrunc continuations.
2013-11-15 11:17:18 +01:00
Andy Wingo
13085a828f Replace ($var sym) with ($values (sym)).
* module/language/cps.scm: Remove $var.  Replaced by $values with one
  value.

* module/language/cps/arities.scm:
* module/language/cps/closure-conversion.scm:
* module/language/cps/compile-rtl.scm:
* module/language/cps/dfg.scm:
* module/language/cps/slot-allocation.scm:
* module/language/cps/verify.scm:
* module/language/tree-il/compile-cps.scm: Adapt all the world.
2013-11-13 20:55:28 +01:00