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bpo-42057: Fix peephole optimizer (GH-22802)

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Inada Naoki 2020-10-22 11:06:07 +09:00 • committed by GitHub
parent c3538b8381
commit 07a44d9572
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2 changed files with 3 additions and 1 deletions
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Misc/NEWS.d/next/Core and Builtins/2020-10-20-11-36-14.bpo-42057.BI-OoV.rst Normal file
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Fix peephole optimizer misoptimize conditional jump + JUMP_IF_NOT_EXC_MATCH
pair.

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Python/peephole.c
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#define UNCONDITIONAL_JUMP(op) (op==JUMP_ABSOLUTE || op==JUMP_FORWARD) #define UNCONDITIONAL_JUMP(op) (op==JUMP_ABSOLUTE || op==JUMP_FORWARD)
#define CONDITIONAL_JUMP(op) (op==POP_JUMP_IF_FALSE || op==POP_JUMP_IF_TRUE \ #define CONDITIONAL_JUMP(op) (op==POP_JUMP_IF_FALSE || op==POP_JUMP_IF_TRUE \
|| op==JUMP_IF_FALSE_OR_POP || op==JUMP_IF_TRUE_OR_POP || op==JUMP_IF_NOT_EXC_MATCH) || op==JUMP_IF_FALSE_OR_POP || op==JUMP_IF_TRUE_OR_POP)
#define ABSOLUTE_JUMP(op) (op==JUMP_ABSOLUTE \ #define ABSOLUTE_JUMP(op) (op==JUMP_ABSOLUTE \
|| op==POP_JUMP_IF_FALSE || op==POP_JUMP_IF_TRUE \ || op==POP_JUMP_IF_FALSE || op==POP_JUMP_IF_TRUE \
|| op==JUMP_IF_FALSE_OR_POP || op==JUMP_IF_TRUE_OR_POP || op==JUMP_IF_NOT_EXC_MATCH) || op==JUMP_IF_FALSE_OR_POP || op==JUMP_IF_TRUE_OR_POP || op==JUMP_IF_NOT_EXC_MATCH)