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GH-111485: Increment next_instr consistently at the start of the instruction. (GH-111486)

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Mark Shannon 2023-10-31 10:09:54 +00:00 • committed by GitHub
parent e3353c498d
commit d27acd4461
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11 changed files with 1079 additions and 521 deletions
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12
Python/ceval_macros.h
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@ -60,25 +60,21 @@
#endif
#ifdef Py_STATS
#define INSTRUCTION_START(op) \
#define INSTRUCTION_STATS(op) \
do { \
frame->instr_ptr = next_instr++; \
OPCODE_EXE_INC(op); \
if (_Py_stats) _Py_stats->opcode_stats[lastopcode].pair_count[op]++; \
lastopcode = op; \
} while (0)
#else
#define INSTRUCTION_START(op) \
do { \
frame->instr_ptr = next_instr++; \
} while(0)
#define INSTRUCTION_STATS(op) ((void)0)
#endif
#if USE_COMPUTED_GOTOS
# define TARGET(op) TARGET_##op: INSTRUCTION_START(op);
# define TARGET(op) TARGET_##op:
# define DISPATCH_GOTO() goto *opcode_targets[opcode]
#else
# define TARGET(op) case op: TARGET_##op: INSTRUCTION_START(op);
# define TARGET(op) case op: TARGET_##op:
# define DISPATCH_GOTO() goto dispatch_opcode
#endif