SP-relative local addressing

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* libguile/vm-engine.c: S24/S12/S8 operands addressed relative to the
  SP, not the FP.  Cache the SP instead of a FP-relative locals
  pointer.  Further cleanups to follow.

* libguile/vm.c (vm_builtin_call_with_values_code): Adapt to mov operand
  addresing change.

* module/language/cps/compile-bytecode.scm (compile-function): Reify
  SP-relative local indexes where appropriate.

* module/system/vm/assembler.scm (emit-fmov*): New helper, exported as
  emit-fmov.
  (shuffling-assembler, define-shuffling-assembler): Rewrite to shuffle
  via push/pop/drop.
  (standard-prelude, opt-prelude, kw-prelude): No need to provide for
  shuffling args.

* test-suite/tests/rtl.test: Update.

* module/language/cps/slot-allocation.scm: Don't reserve slots 253-255.

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This commit is contained in:

Andy Wingo 2015-10-21 10:48:58 +02:00

parent 9b1ac02a85

commit 70c317ab51

6 changed files with 562 additions and 549 deletions

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