Parallel move legalisation, infinite registers reordering and Spilling#6086
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anominos wants to merge 71 commits into
Draft
Parallel move legalisation, infinite registers reordering and Spilling#6086anominos wants to merge 71 commits into
anominos wants to merge 71 commits into
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- load/store/alloca ops with stackptrtype
- allows from xdsl.dialects import riscv; riscv.stack.AllocaOp
Riscv stack dialect
Regalloc/spilling/ghc
remove reduced register set
use ordered set to maintain consistentcy
use pmov for casting block args
Regalloc/reorder inf
- allow stackslottype
Regalloc/alloc inf bugfix
- this pass may not converge to fixed point
- previously iterated on stale references to outputs. - inputs never change, so we don't need to index on them
Reorder inf/bugfix
Regalloc/spilling/min
Pmov/free regs
nchappe
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Jun 9, 2026
This uses xdslproject/xdsl#6086 as a reference
nchappe
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Jun 9, 2026
This uses xdslproject/xdsl#6086 as a reference
nchappe
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Jun 10, 2026
This departs a bit from xdslproject/xdsl#6086 as alloca expects a value_type attribute to determine the size of the allocation, and it returns a RISCV register.
nchappe
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Jun 10, 2026
This departs a bit from xdslproject/xdsl#6086 as alloca expects a value_type attribute to determine the size of the allocation, and it returns a RISCV register.
alexanderlhicks
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Jun 11, 2026
This uses xdslproject/xdsl#6086 as a reference
alexanderlhicks
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Jun 11, 2026
This departs a bit from xdslproject/xdsl#6086 as alloca expects a value_type attribute to determine the size of the allocation, and it returns a RISCV register.
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This Draft PR contains all the changes made for Spilling and other optimisations in register allocation.
This PR contains many changes, and is not intended to be merged all at once.
Currently, many tests are missing
Individual PRs can be found at https://github.com/anominos/xdsl/pulls?q=is%3Apr+is%3Aclosed