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51fc725117
Added a new, experimental, tracing optimizer and interpreter (a.k.a. "tier 2"). This currently pessimizes, so don't use yet -- this is infrastructure so we can experiment with optimizing passes. To enable it, pass ``-Xuops`` or set ``PYTHONUOPS=1``. To get debug output, set ``PYTHONUOPSDEBUG=N`` where ``N`` is a debug level (0-4, where 0 is no debug output and 4 is excessively verbose). All of this code is likely to change dramatically before the 3.13 feature freeze. But this is a first step.
31 lines
681 B
C
31 lines
681 B
C
#ifndef Py_INTERNAL_UOPS_H
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#define Py_INTERNAL_UOPS_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef Py_BUILD_CORE
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# error "this header requires Py_BUILD_CORE define"
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#endif
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#define _Py_UOP_MAX_TRACE_LENGTH 16
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typedef struct {
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int opcode;
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uint64_t operand; // Sometimes oparg, sometimes a cache entry
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} _PyUOpInstruction;
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typedef struct {
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_PyExecutorObject base;
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_PyUOpInstruction trace[_Py_UOP_MAX_TRACE_LENGTH]; // TODO: variable length
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} _PyUOpExecutorObject;
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_PyInterpreterFrame *_PyUopExecute(
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_PyExecutorObject *executor,
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_PyInterpreterFrame *frame,
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PyObject **stack_pointer);
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#ifdef __cplusplus
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}
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#endif
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#endif /* !Py_INTERNAL_UOPS_H */
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