Switch Cranelift over to regalloc2.#3989

Merged

cfallin merged 26 commits into

bytecodealliance:mainfrom

cfallin:regalloc2-clean

Apr 14, 2022

Commits on Apr 4, 2022

Commits on Apr 13, 2022

Merge latest `main` and resolve conflicts.
cfallin
committed
Remove vreg aliases from disassembly: no vregs should appear anyway, and removes needless churn in precise-output tests.
cfallin
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Update filetests.
cfallin
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Add serde support back to cranelift-codegen types, using regalloc2 0.1.1 with serde support.
cfallin
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Hide the pinned-register indexing scheme a bit better, to guard against baking in assumptions in the rest of the code.
cfallin
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Implement `From` conversions for register types and use them.
cfallin
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Use enum for VCode build direction.
cfallin
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Remove `MachInst::get_clobbers()` and implement `OperandCollector::reg_clobber()` instead.
cfallin
committed