ilusha/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython synced 2026-09-29 10:35:30 +03:00
Code Issues Projects Releases Packages Wiki Activity Actions

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

Browse source
This commit is contained in:
Irit Katriel 2023-08-23 18:39:00 +01:00 • committed by GitHub
parent 422f81b5d2
commit 72119d16a5
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
19 changed files with 78 additions and 176 deletions
Download patch file Download diff file Expand all files Collapse all files

67
Tools/build/generate_opcode_h.py
View file

@ -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])

12
Tools/cases_generator/generate_cases.py
View file

@ -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: