8000 gh-111520: Integrate the Tier 2 interpreter in the Tier 1 interpreter by gvanrossum · Pull Request #111428 · python/cpython · GitHub
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gh-111520: Integrate the Tier 2 interpreter in the Tier 1 interpreter #111428

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Merged
merged 27 commits into from
Nov 1, 2023
Merged

gh-111520: Integrate the Tier 2 interpreter in the Tier 1 interpreter #111428

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97984d3
Make all labels in _PyUopExecute end in _tier_two
gvanrossum Oct 27, 2023
157a450
Control lltrace via PYTHON_LLTRACE=N
gvanrossum Oct 27, 2023
d1b9c1b
Rename PYTHONUOPS to PYTHON_UOPS for consistency
gvanrossum Oct 27, 2023
d805312
Integrate Tier 2 into _PyEval_EvalFrameDefault
gvanrossum Oct 27, 2023
e0e60ce
DO NOT MERGE: Always use -Xuops
gvanrossum Aug 9, 2023
a720f1a
Merge branch 'main' into mix-tiers
gvanrossum Oct 30, 2023
b808f6d
Merge branch 'main' into mix-tiers
gvanrossum Oct 31, 2023
a0aed59
Get rid of separate executor.c file
gvanrossum Oct 31, 2023
75605c7
Most suggestions from Mark's code review
gvanrossum Oct 31, 2023
5e84476
Fix test_generated_cases.py by stripping preprocessor prefix/suffix
gvanrossum Oct 31, 2023
917b7a2
Eradicate executors.c from Windows build files
gvanrossum Nov 1, 2023
9067eb0
Rename deoptimize_tier_two back to deoptimize (for Justin)
gvanrossum Nov 1, 2023
6a4e495
Fix whitespace
gvanrossum Nov 1, 2023
81f1883
Revert "DO NOT MERGE: Always use -Xuops"
gvanrossum Nov 1, 2023
ee27e73
Add blurb
gvanrossum Nov 1, 2023
7ebc228
Add more color to the news blurb
gvanrossum Nov 1, 2023
a1d0108
Merge remote-tracking branch 'origin/main' into mix-tiers
gvanrossum Nov 1, 2023
a96ac7f
Eliminate 'operand' local variable
gvanrossum Nov 1, 2023
e02409d
Rename self -> current_executor (TODO: eliminate it?)
gvanrossum Nov 1, 2023
fdf1a2f
Move `_EXIT_TRACE` logic to a separate label
gvanrossum Nov 1, 2023
2a6450c
Limit infinite recursion in test_typing
gvanrossum Nov 1, 2023
4783de3
Limit infinite recursion in test_fileio
gvanrossum Nov 1, 2023
b9516a1
Limit infinite recursion in test_xml_etree
gvanrossum Nov 1, 2023
33c3fae
Limit infinite recursion in test_call
gvanrossum Nov 1, 2023
998e054
Fix test_call better: adjust Py_C_RECURSION_LIMIT in pystate.h
gvanrossum Nov 1, 2023
19d9d40
Revert unnecessary fixes to recursive tests
gvanrossum Nov 1, 2023
03de1bf
Even better fix -- increase stack space on Windows in debug mode
gvanrossum Nov 1, 2023
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11 changes: 9 additions & 2 deletions Lib/test/support/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2355,8 +2355,15 @@ def adjust_int_max_str_digits(max_digits):
#For recursion tests, easily exceeds default recursion limit
EXCEEDS_RECURSION_LIMIT = 5000

# The default C recursion limit (from Include/cpython/pystate.h).
Py_C_RECURSION_LIMIT = 1500
def _get_c_recursion_limit():
try:
import _testcapi
return _testcapi.Py_C_RECURSION_LIMIT
except (ImportError, AttributeError):
return 1500 # (from Include/cpython/pystate.h)

# The default C recursion limit.
Py_C_RECURSION_LIMIT = _get_c_recursion_limit()

#Windows doesn't have os.uname() but it doesn't support s390x.
skip_on_s390x = unittest.skipIf(hasattr(os, 'uname') and os.uname().machine == 's390x',
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8 changes: 5 additions & 3 deletions Lib/test/test_generated_cases.py
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Expand Up @@ -118,17 +118,19 @@ def run_cases_test(self, input: str, expected: str):

with open(self.temp_output_filename) as temp_output:
lines = temp_output.readlines()
while lines and lines[0].startswith("// "):
while lines and lines[0].startswith(("// ", "#", " #", "\n")):
lines.pop(0)
while lines and lines[-1].startswith(("#", "\n")):
lines.pop(-1)
actual = "".join(lines)
# if actual.rstrip() != expected.rstrip():
# if actual.strip() != expected.strip():
# print("Actual:")
# print(actual)
# print("Expected:")
# print(expected)
# print("End")

self.assertEqual(actual.rstrip(), expected.rstrip())
self.assertEqual(actual.strip(), expected.strip())

def test_inst_no_args(self):
input = """
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7 changes: 0 additions & 7 deletions Makefile.pre.in
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Expand Up @@ -412,7 +412,6 @@ PYTHON_OBJS= \
Python/crossinterp.o \
Python/dynamic_annotations.o \
Python/errors.o \
Python/executor.o \
Python/flowgraph.o \
Python/frame.o \
Python/frozenmain.o \
Expand Down Expand Up @@ -1603,12 +1602,6 @@ Python/ceval.o: \
$(srcdir)/Python/generated_cases.c.h \
$(srcdir)/Python/opcode_targets.h

Python/executor.o: \
$(srcdir)/Include/internal/pycore_opcode_metadata.h \
$(srcdir)/Include/internal/pycore_optimizer.h \
$(srcdir)/Python/ceval_macros.h \
$(srcdir)/Python/executor_cases.c.h

Python/flowgraph.o: \
$(srcdir)/Include/internal/pycore_opcode_metadata.h

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9 changes: 9 additions & 0 deletions Misc/NEWS.d/next/Core and Builtins/2023-10-31-21-33-35.gh-issue-111520.vw-rxJ.rst
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@@ -0,0 +1,9 @@
Merge the Tier 1 (bytecode) and Tier 2 (micro-ops) interpreters together,
moving the Tier 2 interpreter loop and switch into
``_PyEval_EvalFrameDefault()`` in ``Python/ceval.c``.
The ``Python/executor.c`` file is gone.
Also the ``TIER_ONE`` and ``TIER_TWO`` macros are now handled
by the code generator.

**Beware!** This changes the environment variables to enable micro-ops and
their debugging to ``PYTHON_UOPS`` and ``PYTHON_LLTRACE``.
1 change: 0 additions & 1 deletion PCbuild/_freeze_module.vcxproj
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Expand Up @@ -200,7 +200,6 @@
<ClCompile Include="..\Python\dynamic_annotations.c" />
<ClCompile Include="..\Python\dynload_win.c" />
<ClCompile Include="..\Python\errors.c" />
<ClCompile Include="..\Python\executor.c" />
<ClCompile Include="..\Python\fileutils.c" />
<ClCompile Include="..\Python\flowgraph.c" />
<ClCompile Include="..\Python\formatter_unicode.c" />
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3 changes: 0 additions & 3 deletions PCbuild/_freeze_module.vcxproj.filters
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Expand Up @@ -127,9 +127,6 @@
<ClCompile Include="..\Python\errors.c">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="..\Python\executor.c">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="..\Objects\exceptions.c">
<Filter>Source Files</Filter>
</ClCompile>
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2 changes: 1 addition & 1 deletion PCbuild/python.vcxproj
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Expand Up @@ -95,7 +95,7 @@
<Link>
<SubSystem>Console</SubSystem>
<StackReserveSize Condition="$(Configuration) != 'Debug'">2000000</StackReserveSize>
<StackReserveSize Condition="$(Configuration) == 'Debug'">8000000</StackReserveSize>
<StackReserveSize Condition="$(Configuration) == 'Debug'">12000000</StackReserveSize>
</Link>
</ItemDefinitionGroup>
<ItemGroup>
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1 change: 0 additions & 1 deletion PCbuild/pythoncore.vcxproj
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Expand Up @@ -552,7 +552,6 @@
<ClCompile Include="..\Python\dynamic_annotations.c" />
<ClCompile Include="..\Python\dynload_win.c" />
<ClCompile Include="..\Python\errors.c" />
<ClCompile Include="..\Python\executor.c" />
<ClCompile Include="..\Python\fileutils.c" />
<ClCompile Include="..\Python\flowgraph.c" />
<ClCompile Include="..\Python\formatter_unicode.c" />
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3 changes: 0 additions & 3 deletions PCbuild/pythoncore.vcxproj.filters
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Expand Up @@ -1253,9 +1253,6 @@
<ClCompile Include="..\Python\errors.c">
<Filter>Python</Filter>
</ClCompile>
<ClCompile Include="..\Python\executor.c">
<Filter>Python</Filter>
</ClCompile>
<ClCompile Include="..\Python\fileutils.c">
<Filter>Python</Filter>
</ClCompile>
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