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gh-139757: Treat call specially in JIT assembly backend optimizer on x86-64 and AArch64 #142907

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Merged
Fidget-Spinner merged 12 commits into from
Dec 17, 2025
Merged

gh-139757: Treat call specially in JIT assembly backend optimizer on x86-64 and AArch64 #142907

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6e9d577
Treat call as jump in JIT assembly backend optimizer on x86-64
Fidget-Spinner Dec 17, 2025
0abce6d
📜🤖 Added by blurb_it.
blurb-it[bot] Dec 17, 2025
969c8fd
a proper fix by special casing calls
Fidget-Spinner Dec 17, 2025
859b7bc
Merge branch 'treat_call_as_jump' of github.com:Fidget-Spinner/cpytho…
Fidget-Spinner Dec 17, 2025
ddf85c6
update comment
Fidget-Spinner Dec 17, 2025
bfe5eb9
address review
Fidget-Spinner Dec 17, 2025
cddf406
Address review
Fidget-Spinner Dec 17, 2025
be80179
try fix macos
Fidget-Spinner Dec 17, 2025
8ec5768
Merge branch 'treat_call_as_jump' of github.com:Fidget-Spinner/cpytho…
Fidget-Spinner Dec 17, 2025
7fad18f
trigger macos CI
Fidget-Spinner Dec 17, 2025
f603077
fix macos again
Fidget-Spinner Dec 17, 2025
e4d37d0
revert CI changes
Fidget-Spinner Dec 17, 2025
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@Fidget-Spinner
Fidget-Spinner committed Dec 17, 2025
commit ddf85c675ccbf20626e2bb880f7bcd585121cd7e
2 changes: 1 addition & 1 deletion Tools/jit/_optimizers.py
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Original file line number Diff line number Diff line change
Expand Up @@ -224,7 +224,7 @@ def __post_init__(self) -> None:
inst = self._parse_instruction(line)
block.instructions.append(inst)
if inst.is_branch() or inst.kind == InstructionKind.CALL:
# A block ending in a branch has a target and fallthrough:
# A block ending in a branch/call has a target and fallthrough:
assert inst.target is not None
block.target = self._lookup_label(inst.target)
assert block.fallthrough
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