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155 commits

Author SHA1 Message Date
Andy Wingo
87da1c8d20 Add instrument-call, instrument-loop VM instructions 
* libguile/jit.h (struct scm_jit_function_data)
  (enum scm_jit_counter_value): New data types.
* libguile/jit.c (scm_jit_compute_mcode, scm_jit_enter_mcode): New
  function stubs.  Adapt label/offset compilers to take pointers.
* libguile/vm-engine.c (instrument-call, instrument-loop): New
  instructions.
* libguile/vm.c: Add jit.h include.
* module/system/vm/assembler.scm (emit-instrument-call)
  (emit-instrument-loop): New exports.
 2018-07-29 15:47:03 +02:00
Andy Wingo
c2a8224a63 Rework VM approach to shuffling unknown numbers of args 
* libguile/vm-engine.c (shuffle-down, expand-apply-argument): New
  instructions.
  (tail-call, tail-call-label, return-values): Don't reset the frame.
  The compiler should reset the frame appropriately.
  (tail-call/shuffle, tail-apply): Remove unused instructions.
* libguile/vm.c (vm_builtin_apply_code): Use new shuffle-down and
  expand-apply-argument opcodes.
  (vm_builtin_call_with_values_code): Replace tail-call/shuffle with
  shuffle-down then tail-call.
* libguile/jit.c (compile_shuffle_down, compile_expand_apply_argument):
  Add compiler stubs
  (COMPILE_X8_F12_F12): New definition.
  (compile_tail_call_shuffle, compile_tail_apply): Remove unused
  compilers.
* module/language/cps/compile-bytecode.scm (compile-function): Emit
  reset-frame before tail calls and returns.
* module/system/vm/assembler.scm (system): Remove unbound "emit-return"
  export.
* module/system/vm/disassembler.scm (code-annotation)
  (instruction-has-fallthrough?, define-stack-effect-parser): Adapt for
  opcode changes.
 2018-07-20 11:42:30 +02:00
Andy Wingo
80ba0e2cb1 Make JIT compiler skeleton more terse 
* libguile/jit.c (scm_jit_state): Add "ip" member so we don't have to be
  passing it around all the time.  Rename use variables to "j" from
  "state".
 2018-07-20 11:42:13 +02:00
Andy Wingo
5577392738 Begin structure for template JIT compiler 
* libguile/jit.c: Begin to wire up compilers for the VM opcodes.
  Currently all that's there is a parser for each opcode's operands.
 2018-07-03 13:31:29 +02:00
Andy Wingo
9338ef15c2 Wire up lightning into libguile build 
* libguile/Makefile.am (AM_CPPFLAGS):
  (libguile_@GUILE_EFFECTIVE_VERSION@_la_SOURCES): If ENABLE_JIT, build
  lightning.
  (EXTRA_DIST): Add lightning files.
* libguile/lightning/lightning.am (lightning_extra_files): Add COPYING
  and related files to the dist.
* libguile/jit.c:
* libguile/jit.h: New files.
 2018-07-02 11:08:57 +02:00