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* 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. |
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| Makefile.am | ||
| rnrs.scm | ||
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| texinfo.scm | ||