gh-105481: remove regen-opcode. Generated _PyOpcode_Caches in regen-cases. (#108367)

This commit is contained in:
Irit Katriel 2023-08-23 18:39:00 +01:00 committed by GitHub
parent 422f81b5d2
commit 72119d16a5
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GPG Key ID: 4AEE18F83AFDEB23
19 changed files with 78 additions and 176 deletions

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@ -1,40 +0,0 @@
// Auto-generated by Tools/build/generate_opcode_h.py from Lib/opcode.py
#ifndef Py_INTERNAL_OPCODE_H
#define Py_INTERNAL_OPCODE_H
#ifdef __cplusplus
extern "C" {
#endif
#ifndef Py_BUILD_CORE
# error "this header requires Py_BUILD_CORE define"
#endif
#include "opcode.h"
extern const uint8_t _PyOpcode_Caches[256];
#ifdef NEED_OPCODE_TABLES
const uint8_t _PyOpcode_Caches[256] = {
[LOAD_GLOBAL] = 4,
[BINARY_OP] = 1,
[UNPACK_SEQUENCE] = 1,
[COMPARE_OP] = 1,
[BINARY_SUBSCR] = 1,
[FOR_ITER] = 1,
[LOAD_SUPER_ATTR] = 1,
[LOAD_ATTR] = 9,
[STORE_ATTR] = 4,
[CALL] = 3,
[STORE_SUBSCR] = 1,
[SEND] = 1,
[JUMP_BACKWARD] = 1,
[TO_BOOL] = 3,
};
#endif // NEED_OPCODE_TABLES
#ifdef __cplusplus
}
#endif
#endif // !Py_INTERNAL_OPCODE_H

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@ -1814,6 +1814,26 @@ const char *const _PyOpcode_OpName[268] = {
};
#endif // NEED_OPCODE_METADATA
extern const uint8_t _PyOpcode_Caches[256];
#ifdef NEED_OPCODE_METADATA
const uint8_t _PyOpcode_Caches[256] = {
[TO_BOOL] = 3,
[BINARY_OP] = 1,
[BINARY_SUBSCR] = 1,
[STORE_SUBSCR] = 1,
[SEND] = 1,
[UNPACK_SEQUENCE] = 1,
[STORE_ATTR] = 4,
[LOAD_GLOBAL] = 4,
[LOAD_SUPER_ATTR] = 1,
[LOAD_ATTR] = 9,
[COMPARE_OP] = 1,
[FOR_ITER] = 1,
[CALL] = 3,
[JUMP_BACKWARD] = 1,
};
#endif // NEED_OPCODE_METADATA
extern const uint8_t _PyOpcode_Deopt[256];
#ifdef NEED_OPCODE_METADATA
const uint8_t _PyOpcode_Deopt[256] = {

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@ -8,8 +8,7 @@ extern "C" {
# error "this header requires Py_BUILD_CORE define"
#endif
#include "pycore_opcode.h" // JUMP_FORWARD
#include "opcode_ids.h"
#define MAX_REAL_OPCODE 254

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@ -5,48 +5,40 @@ operate on bytecodes (e.g. peephole optimizers).
"""
# Note that __all__ is further extended below
__all__ = ["cmp_op", "stack_effect", "hascompare"]
__all__ = ["cmp_op", "stack_effect", "hascompare", "opname", "opmap",
"HAVE_ARGUMENT", "EXTENDED_ARG", "hasarg", "hasconst", "hasname",
"hasjump", "hasjrel", "hasjabs", "hasfree", "haslocal", "hasexc"]
import _opcode
from _opcode import stack_effect
import sys
# The build uses older versions of Python which do not have _opcode_metadata
if sys.version_info[:2] >= (3, 13):
from _opcode_metadata import _specializations, _specialized_opmap
from _opcode_metadata import opmap, HAVE_ARGUMENT, MIN_INSTRUMENTED_OPCODE
EXTENDED_ARG = opmap['EXTENDED_ARG']
from _opcode_metadata import (_specializations, _specialized_opmap, opmap,
HAVE_ARGUMENT, MIN_INSTRUMENTED_OPCODE)
EXTENDED_ARG = opmap['EXTENDED_ARG']
opname = ['<%r>' % (op,) for op in range(max(opmap.values()) + 1)]
for op, i in opmap.items():
opname = ['<%r>' % (op,) for op in range(max(opmap.values()) + 1)]
for op, i in opmap.items():
opname[i] = op
__all__.extend(["opname", "opmap", "HAVE_ARGUMENT", "EXTENDED_ARG"])
cmp_op = ('<', '<=', '==', '!=', '>', '>=')
# The build uses older versions of Python which do not have _opcode.has_* functions
if sys.version_info[:2] >= (3, 13):
# These lists are documented as part of the dis module's API
hasarg = [op for op in opmap.values() if _opcode.has_arg(op)]
hasconst = [op for op in opmap.values() if _opcode.has_const(op)]
hasname = [op for op in opmap.values() if _opcode.has_name(op)]
hasjump = [op for op in opmap.values() if _opcode.has_jump(op)]
hasjrel = hasjump # for backward compatibility
hasjabs = []
hasfree = [op for op in opmap.values() if _opcode.has_free(op)]
haslocal = [op for op in opmap.values() if _opcode.has_local(op)]
hasexc = [op for op in opmap.values() if _opcode.has_exc(op)]
# These lists are documented as part of the dis module's API
hasarg = [op for op in opmap.values() if _opcode.has_arg(op)]
hasconst = [op for op in opmap.values() if _opcode.has_const(op)]
hasname = [op for op in opmap.values() if _opcode.has_name(op)]
hasjump = [op for op in opmap.values() if _opcode.has_jump(op)]
hasjrel = hasjump # for backward compatibility
hasjabs = []
hasfree = [op for op in opmap.values() if _opcode.has_free(op)]
haslocal = [op for op in opmap.values() if _opcode.has_local(op)]
hasexc = [op for op in opmap.values() if _opcode.has_exc(op)]
__all__.extend(["hasarg", "hasconst", "hasname", "hasjump", "hasjrel",
"hasjabs", "hasfree", "haslocal", "hasexc"])
_intrinsic_1_descs = _opcode.get_intrinsic1_descs()
_intrinsic_2_descs = _opcode.get_intrinsic2_descs()
_nb_ops = _opcode.get_nb_ops()
_intrinsic_1_descs = _opcode.get_intrinsic1_descs()
_intrinsic_2_descs = _opcode.get_intrinsic2_descs()
_nb_ops = _opcode.get_nb_ops()
hascompare = [opmap["COMPARE_OP"]]
hascompare = [opmap["COMPARE_OP"]]
_cache_format = {
"LOAD_GLOBAL": {

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@ -1321,7 +1321,7 @@ regen-limited-abi: all
# Regenerate all generated files
.PHONY: regen-all
regen-all: regen-cases regen-opcode regen-typeslots \
regen-all: regen-cases regen-typeslots \
regen-token regen-ast regen-keyword regen-sre regen-frozen clinic \
regen-pegen-metaparser regen-pegen regen-test-frozenmain \
regen-test-levenshtein regen-global-objects
@ -1425,15 +1425,6 @@ regen-ast:
$(UPDATE_FILE) $(srcdir)/Include/internal/pycore_ast_state.h $(srcdir)/Include/internal/pycore_ast_state.h.new
$(UPDATE_FILE) $(srcdir)/Python/Python-ast.c $(srcdir)/Python/Python-ast.c.new
.PHONY: regen-opcode
regen-opcode:
# Regenerate Include/internal/pycore_opcode.h from Lib/opcode.py
# using Tools/build/generate_opcode_h.py
$(PYTHON_FOR_REGEN) $(srcdir)/Tools/build/generate_opcode_h.py \
$(srcdir)/Lib/opcode.py \
$(srcdir)/Include/internal/pycore_opcode.h.new
$(UPDATE_FILE) $(srcdir)/Include/internal/pycore_opcode.h $(srcdir)/Include/internal/pycore_opcode.h.new
.PHONY: regen-token
regen-token:
# Regenerate Doc/library/token-list.inc from Grammar/Tokens
@ -1651,6 +1642,7 @@ PYTHON_HEADERS= \
$(srcdir)/Include/object.h \
$(srcdir)/Include/objimpl.h \
$(srcdir)/Include/opcode.h \
$(srcdir)/Include/opcode_ids.h \
$(srcdir)/Include/osdefs.h \
$(srcdir)/Include/osmodule.h \
$(srcdir)/Include/patchlevel.h \
@ -1790,7 +1782,7 @@ PYTHON_HEADERS= \
$(srcdir)/Include/internal/pycore_object_state.h \
$(srcdir)/Include/internal/pycore_obmalloc.h \
$(srcdir)/Include/internal/pycore_obmalloc_init.h \
$(srcdir)/Include/internal/pycore_opcode.h \
$(srcdir)/Include/internal/pycore_opcode_metadata.h \
$(srcdir)/Include/internal/pycore_opcode_utils.h \
$(srcdir)/Include/internal/pycore_optimizer.h \
$(srcdir)/Include/internal/pycore_pathconfig.h \

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@ -0,0 +1,2 @@
The regen-opcode build stage was removed and its work is now done in
regen-cases.

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@ -6,8 +6,7 @@
#include "pycore_code.h" // _PyCodeConstructor
#include "pycore_frame.h" // FRAME_SPECIALS_SIZE
#include "pycore_interp.h" // PyInterpreterState.co_extra_freefuncs
#include "pycore_opcode.h" // _PyOpcode_Caches
#include "pycore_opcode_metadata.h" // _PyOpcode_Deopt
#include "pycore_opcode_metadata.h" // _PyOpcode_Deopt, _PyOpcode_Caches
#include "pycore_pystate.h" // _PyInterpreterState_GET()
#include "pycore_setobject.h" // _PySet_NextEntry()
#include "pycore_tuple.h" // _PyTuple_ITEMS()

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@ -6,8 +6,7 @@
#include "pycore_function.h" // _PyFunction_FromConstructor()
#include "pycore_moduleobject.h" // _PyModule_GetDict()
#include "pycore_object.h" // _PyObject_GC_UNTRACK()
#include "pycore_opcode.h" // _PyOpcode_Caches
#include "pycore_opcode_metadata.h" // _PyOpcode_Deopt
#include "pycore_opcode_metadata.h" // _PyOpcode_Deopt, _PyOpcode_Caches
#include "frameobject.h" // PyFrameObject

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@ -13,8 +13,6 @@
<_ASTOutputs Include="$(PySourcePath)Python\Python-ast.c">
<Argument>-C</Argument>
</_ASTOutputs>
<_OpcodeSources Include="$(PySourcePath)Tools\build\generate_opcode_h.py;$(PySourcePath)Lib\opcode.py" />
<_OpcodeOutputs Include="$(PySourcePath)Include\internal\pycore_opcode.h" />
<_TokenSources Include="$(PySourcePath)Grammar\Tokens" />
<_TokenOutputs Include="$(PySourcePath)Doc\library\token-list.inc">
<Format>rst</Format>
@ -34,7 +32,7 @@
<Target Name="_TouchRegenSources" Condition="$(ForceRegen) == 'true'">
<Message Text="Touching source files to force regeneration" Importance="high" />
<Touch Files="@(_PegenSources);@(_ASTSources);@(_OpcodeSources);@(_TokenSources);@(_KeywordOutputs)"
<Touch Files="@(_PegenSources);@(_ASTSources);@(_TokenSources);@(_KeywordOutputs)"
AlwaysCreate="False" />
</Target>
@ -55,14 +53,6 @@
WorkingDirectory="$(PySourcePath)" />
</Target>
<Target Name="_RegenOpcodes"
Inputs="@(_OpcodeSources)" Outputs="@(_OpcodeOutputs)"
DependsOnTargets="FindPythonForBuild">
<Message Text="Regenerate @(_OpcodeOutputs->'%(Filename)%(Extension)',' ')" Importance="high" />
<Exec Command="$(PythonForBuild) Tools\build\generate_opcode_h.py Lib\opcode.py Include\internal\pycore_opcode.h Include\internal\pycore_intrinsics.h"
WorkingDirectory="$(PySourcePath)" />
</Target>
<Target Name="_RegenTokens"
Inputs="@(_TokenSources)" Outputs="@(_TokenOutputs)"
DependsOnTargets="FindPythonForBuild">
@ -89,7 +79,7 @@
<Target Name="Regen"
Condition="$(Configuration) != 'PGUpdate'"
DependsOnTargets="_TouchRegenSources;_RegenPegen;_RegenAST_H;_RegenOpcodes;_RegenTokens;_RegenKeywords;_RegenGlobalObjects">
DependsOnTargets="_TouchRegenSources;_RegenPegen;_RegenAST_H;_RegenTokens;_RegenKeywords;_RegenGlobalObjects">
<Message Text="Generated sources are up to date" Importance="high" />
</Target>

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@ -3,9 +3,8 @@
#include "Python.h"
#include "pycore_code.h" // write_location_entry_start()
#include "pycore_compile.h"
#include "pycore_opcode.h" // _PyOpcode_Caches[] and opcode category macros
#include "pycore_opcode_utils.h" // IS_BACKWARDS_JUMP_OPCODE
#include "pycore_opcode_metadata.h" // IS_PSEUDO_INSTR
#include "pycore_opcode_metadata.h" // IS_PSEUDO_INSTR, _PyOpcode_Caches
#define DEFAULT_CODE_SIZE 128

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@ -14,8 +14,7 @@
#include "pycore_long.h" // _PyLong_GetZero()
#include "pycore_moduleobject.h" // PyModuleObject
#include "pycore_object.h" // _PyObject_GC_TRACK()
#include "pycore_opcode.h" // EXTRA_CASES
#include "pycore_opcode_metadata.h"
#include "pycore_opcode_metadata.h" // EXTRA_CASES
#include "pycore_opcode_utils.h" // MAKE_FUNCTION_*
#include "pycore_pyerrors.h" // _PyErr_GetRaisedException()
#include "pycore_pystate.h" // _PyInterpreterState_GET()

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@ -24,6 +24,7 @@
#include <stdbool.h>
#include "Python.h"
#include "opcode.h"
#include "pycore_ast.h" // _PyAST_GetDocString()
#define NEED_OPCODE_TABLES
#include "pycore_opcode_utils.h"

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@ -1,5 +1,7 @@
#include "Python.h"
#include "opcode.h"
#include "pycore_call.h"
#include "pycore_ceval.h"
#include "pycore_dict.h"

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@ -1,4 +1,7 @@
#include "Python.h"
#include "opcode_ids.h"
#include "pycore_call.h"
#include "pycore_frame.h"
#include "pycore_interp.h"
@ -6,8 +9,7 @@
#include "pycore_modsupport.h" // _PyModule_CreateInitialized()
#include "pycore_namespace.h"
#include "pycore_object.h"
#include "pycore_opcode.h"
#include "pycore_opcode_metadata.h" // IS_VALID_OPCODE
#include "pycore_opcode_metadata.h" // IS_VALID_OPCODE, _PyOpcode_Caches
#include "pycore_pyerrors.h"
#include "pycore_pystate.h" // _PyInterpreterState_GET()

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@ -1,7 +1,6 @@
#include "Python.h"
#include "opcode.h"
#include "pycore_interp.h"
#include "pycore_opcode.h"
#include "pycore_opcode_metadata.h"
#include "pycore_opcode_utils.h"
#include "pycore_optimizer.h"

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@ -1,7 +1,6 @@
#include "Python.h"
#include "opcode.h"
#include "pycore_interp.h"
#include "pycore_opcode.h"
#include "pycore_opcode_metadata.h"
#include "pycore_opcode_utils.h"
#include "pycore_pystate.h" // _PyInterpreterState_GET()

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@ -1,4 +1,7 @@
#include "Python.h"
#include "opcode.h"
#include "pycore_code.h"
#include "pycore_descrobject.h" // _PyMethodWrapper_Type
#include "pycore_dict.h"
@ -7,7 +10,7 @@
#include "pycore_long.h"
#include "pycore_moduleobject.h"
#include "pycore_object.h"
#include "pycore_opcode.h" // _PyOpcode_Caches
#include "pycore_opcode_metadata.h" // _PyOpcode_Caches
#include "pycore_pylifecycle.h" // _PyOS_URandomNonblock()

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@ -1,67 +0,0 @@
# This script generates the pycore_opcode.h header file.
import sys
import tokenize
SCRIPT_NAME = "Tools/build/generate_opcode_h.py"
PYTHON_OPCODE = "Lib/opcode.py"
internal_header = f"""
// Auto-generated by {SCRIPT_NAME} from {PYTHON_OPCODE}
#ifndef Py_INTERNAL_OPCODE_H
#define Py_INTERNAL_OPCODE_H
#ifdef __cplusplus
extern "C" {{
#endif
#ifndef Py_BUILD_CORE
# error "this header requires Py_BUILD_CORE define"
#endif
#include "opcode.h"
""".lstrip()
internal_footer = """
#ifdef __cplusplus
}
#endif
#endif // !Py_INTERNAL_OPCODE_H
"""
DEFINE = "#define {:<38} {:>3}\n"
UINT32_MASK = (1<<32)-1
def get_python_module_dict(filename):
mod = {}
with tokenize.open(filename) as fp:
code = fp.read()
exec(code, mod)
return mod
def main(opcode_py,
internal_opcode_h='Include/internal/pycore_opcode.h'):
opcode = get_python_module_dict(opcode_py)
with open(internal_opcode_h, 'w') as iobj:
iobj.write(internal_header)
iobj.write("\nextern const uint8_t _PyOpcode_Caches[256];\n")
iobj.write("\n#ifdef NEED_OPCODE_TABLES\n")
iobj.write("\nconst uint8_t _PyOpcode_Caches[256] = {\n")
for name, entries in opcode["_inline_cache_entries"].items():
iobj.write(f" [{name}] = {entries},\n")
iobj.write("};\n")
iobj.write("#endif // NEED_OPCODE_TABLES\n")
iobj.write(internal_footer)
print(f"{internal_opcode_h} regenerated from {opcode_py}")
if __name__ == '__main__':
main(sys.argv[1], sys.argv[2])

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@ -540,6 +540,18 @@ class Generator(Analyzer):
for name in self.opmap:
self.out.emit(f'[{name}] = "{name}",')
with self.metadata_item(
f"const uint8_t _PyOpcode_Caches[256]",
"=",
";",
):
for name, _ in self.families.items():
instr = self.instrs[name]
if instr.cache_offset > 0:
self.out.emit(f'[{name}] = {instr.cache_offset},')
# Irregular case:
self.out.emit('[JUMP_BACKWARD] = 1,')
deoptcodes = {}
for name, op in self.opmap.items():
if op < 256: