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URL: http://github.com/python/cpython/commit/7ea143ae795a9fd57eaccf490d316bdc13ee9065

aa60c69660fa.css" /> bpo-29469: Move constant folding to AST optimizer (GH-2858) · python/cpython@7ea143a · GitHub
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bpo-29469: Move constant folding to AST optimizer (GH-2858)
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‎Doc/whatsnew/3.7.rst‎

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and :meth:`selectors.DevpollSelector.modify` may be around 10% faster under
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heavy loads. (Contributed by Giampaolo Rodola' in :issue:`30014`)
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* Constant folding is moved from peephole optimizer to new AST optimizer.
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(Contributed by Eugene Toder and INADA Naoki in :issue:`29469`)
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Build and C API Changes
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=======================
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‎Include/compile.h‎

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#define PY_INVALID_STACK_EFFECT INT_MAX
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PyAPI_FUNC(int) PyCompile_OpcodeStackEffect(int opcode, int oparg);
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PyAPI_FUNC(int) _PyAST_Optimize(struct _mod *, PyArena *arena);
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#ifdef __cplusplus
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}
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#endif

‎Makefile.pre.in‎

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Python/Python-ast.o \
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Python/asdl.o \
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Python/ast.o \
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Python/ast_opt.o \
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Python/bltinmodule.o \
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Python/ceval.o \
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Python/compile.o \

‎Misc/NEWS.d/next/Core and Builtins/2017-07-26-00-20-15.bpo-29469.potmyI.rst‎

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Move constant folding from bytecode layer to AST layer.
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Original patch by Eugene Toder.

‎PCbuild/pythoncore.vcxproj‎

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<ClCompile Include="..\Python\_warnings.c" />
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<ClCompile Include="..\Python\asdl.c" />
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<ClCompile Include="..\Python\ast.c" />
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<ClCompile Include="..\Python\ast_opt.c" />
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<ClCompile Include="..\Python\bltinmodule.c" />
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<ClCompile Include="..\Python\bootstrap_hash.c" />
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<ClCompile Include="..\Python\ceval.c" />

‎PCbuild/pythoncore.vcxproj.filters‎

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<ClCompile Include="..\Python\ast.c">
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<Filter>Python</Filter>
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</ClCompile>
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<ClCompile Include="..\Python\ast_opt.c">
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<Filter>Python</Filter>
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</ClCompile>
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<ClCompile Include="..\Python\bltinmodule.c">
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<Filter>Python</Filter>
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</ClCompile>

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