Add infrastructure for out-of-line JIT compilation of slow paths

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* libguile/jit.c (struct pending_reloc): Rename target_vcode_offset
  field to target_label_offset.
  (inline_label_offset, slow_label_offset): New helpers.
  (emit_direct_tail_call): Use inline_label_offset helper.
  (add_pending_reloc): Factor out of add_inter_instruction_patch.
  (add_inter_instruction_patch): Use inline_label_offset helper.
  (add_slow_path_patch): New helper.
  (continue_after_slow_path): New helper.

  Add slow path compilers for all instructions.

  (compile_slow_path): New helper.
  (compile): Compile slow paths after main code.
  (compute_mcode): Allocate twice as many labels.

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This commit is contained in:

Andy Wingo 2019-12-06 16:49:22 +01:00

parent 4a6a7e15d6

commit d21c5a26da

1 changed files with 750 additions and 20 deletions

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