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feat[venom]: "pickaxe" stack scheduler optimization #3951

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merged 5 commits into from
May 20, 2024
Merged

feat[venom]: "pickaxe" stack scheduler optimization #3951

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9f389bf
feat[venom]: optimize stack scheduler
charles-cooper Apr 14, 2024
11bd5a8
Merge branch 'master' into venom/pick
charles-cooper Apr 27, 2024
79675dc
Merge branch 'master' into venom/pick
charles-cooper May 20, 2024
169506a
Merge branch 'master' into venom/pick
charles-cooper May 20, 2024
9b54c4e
Merge branch 'master' into venom/pick
charles-cooper May 20, 2024
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5 changes: 5 additions & 0 deletions vyper/venom/venom_to_assembly.py
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Original file line number Diff line number Diff line change
Expand Up @@ -527,6 +527,11 @@ def _generate_evm_for_instruction(
if inst.output is not None:
if "call" in inst.opcode and inst.output not in next_liveness:
self.pop(assembly, stack)
elif inst.output in next_liveness:
# peek at next_liveness to find the next scheduled item,
# and optimistically swap with it
next_scheduled = list(next_liveness)[-1]
self.swap_op(assembly, stack, next_scheduled)

return apply_line_numbers(inst, assembly)

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