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GH-145668: Add FOR_ITER specialization for virtual iterators. Specialize GET_ITER. #147967

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Merged
markshannon merged 21 commits into from
Apr 16, 2026
Merged

GH-145668: Add FOR_ITER specialization for virtual iterators. Specialize GET_ITER. #147967

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3a6f48d
Add FOR_ITER specialization for virtual iterators. Specialize GET_ITER.
markshannon Mar 17, 2026
74b5289
Document new tp_iteritem function slot.
markshannon Apr 1, 2026
4dd6992
Simplify list_iteritem
markshannon Apr 1, 2026
4376246
Make it clearer to MSVC that variable doesn't escape
markshannon Apr 2, 2026
5a81e54
Return a small struct in tp_iteritem to support MSVC tailcalling
markshannon Apr 2, 2026
b927de4
Fix editing slip
markshannon Apr 2, 2026
044cce2
Put limited RESUME at start of genexpr for free-threading. Fix up exc…
markshannon Apr 7, 2026
4ba6ecd
Merge branch 'main' into specialize-iteration-with-jit
markshannon Apr 7, 2026
b08dce2
Merge branch 'main' into specialize-iteration-with-jit
markshannon Apr 8, 2026
830068c
Fix test_dis
markshannon Apr 8, 2026
931084a
Merge branch 'main' into specialize-iteration-with-jit
markshannon Apr 9, 2026
87215d5
Merge branch 'main' into specialize-iteration-with-jit
markshannon Apr 9, 2026
73b9b87
Fix magic number
markshannon Apr 9, 2026
fdef628
Address review comments
markshannon Apr 13, 2026
b8baca5
Merge branch 'main' into specialize-iteration-with-jit
markshannon Apr 13, 2026
b3dc340
Make struct private
markshannon Apr 13, 2026
1c269b6
Try to keep sphinx happy
markshannon Apr 14, 2026
09ecaef
Declare tp_iteritem and iteritemfunc private by adding _ prefix to names
markshannon Apr 14, 2026
92a3a97
Merge branch 'main' into specialize-iteration-with-jit
markshannon Apr 15, 2026
a55ac63
Address code review: Remove struct tag
markshannon Apr 15, 2026
6406871
Merge branch 'main' into specialize-iteration-with-jit
markshannon Apr 16, 2026
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Fix test_dis
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@markshannon
markshannon committed Apr 8, 2026
commit 830068cfc0715619604aafdf04e114b643828a9f
3 changes: 2 additions & 1 deletion Lib/test/test_dis.py
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Original file line number Diff line number Diff line change
Expand Up @@ -877,6 +877,7 @@ def foo(x):
dis_nested_2 = """%s
Disassembly of <code object <genexpr> at 0x..., file "%s", line %d>:
-- COPY_FREE_VARS 1
RESUME 4

%4d LOAD_FAST 0 (.0)
GET_ITER 0
Expand All @@ -889,7 +890,7 @@ def foo(x):
LOAD_FAST_BORROW 1 (z)
BINARY_OP 0 (+)
YIELD_VALUE 0
RESUME 5
RESUME 9
POP_TOP
JUMP_BACKWARD 17 (to L2)
L3: END_FOR
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