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author	Mark Shannon <mark@hotpy.org>
	Thu, 11 Dec 2025 10:32:52 +0000 (10:32 +0000)
committer	GitHub <noreply@github.com>
	Thu, 11 Dec 2025 10:32:52 +0000 (10:32 +0000)
commit	469f191a8501dfcad37c0d70480090733623842d
tree	9b4e26bd08b2b559a0381432a65db9103fd572c4	tree
parent	80c9756e3fe193de21d6a7936af28c102da828de	commit \| diff

GH-135379: Top of stack caching for the JIT. (GH-135465)

Uses three registers to cache values at the top of the evaluation stack
This significantly reduces memory traffic for smaller, more common uops.

30 files changed:

Include/cpython/pystats.h		diff \| blob \| blame \| history
Include/internal/pycore_jit.h		diff \| blob \| blame \| history
Include/internal/pycore_opcode_metadata.h		diff \| blob \| blame \| history
Include/internal/pycore_optimizer.h		diff \| blob \| blame \| history
Include/internal/pycore_stackref.h		diff \| blob \| blame \| history
Include/internal/pycore_uop.h		diff \| blob \| blame \| history
Include/internal/pycore_uop_ids.h		diff \| blob \| blame \| history
Include/internal/pycore_uop_metadata.h		diff \| blob \| blame \| history
Misc/NEWS.d/next/Core_and_Builtins/2025-12-05-15-59-03.gh-issue-135379.lDXbKO.rst	[new file with mode: 0644]	blob
Python/bytecodes.c		diff \| blob \| blame \| history
Python/ceval.c		diff \| blob \| blame \| history
Python/ceval_macros.h		diff \| blob \| blame \| history
Python/executor_cases.c.h		diff \| blob \| blame \| history
Python/generated_cases.c.h		diff \| blob \| blame \| history
Python/jit.c		diff \| blob \| blame \| history
Python/optimizer.c		diff \| blob \| blame \| history
Python/optimizer_bytecodes.c		diff \| blob \| blame \| history
Python/optimizer_cases.c.h		diff \| blob \| blame \| history
Python/pystats.c		diff \| blob \| blame \| history
Tools/cases_generator/analyzer.py		diff \| blob \| blame \| history
Tools/cases_generator/generators_common.py		diff \| blob \| blame \| history
Tools/cases_generator/opcode_metadata_generator.py		diff \| blob \| blame \| history
Tools/cases_generator/stack.py		diff \| blob \| blame \| history
Tools/cases_generator/tier2_generator.py		diff \| blob \| blame \| history
Tools/cases_generator/uop_id_generator.py		diff \| blob \| blame \| history
Tools/cases_generator/uop_metadata_generator.py		diff \| blob \| blame \| history
Tools/jit/_writer.py		diff \| blob \| blame \| history
Tools/jit/jit.h		diff \| blob \| blame \| history
Tools/jit/template.c		diff \| blob \| blame \| history
Tools/jit/trampoline.c		diff \| blob \| blame \| history

Mirror of https://github.com/python/cpython.git

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