cpython/Include/internal/pycore_uop.h

45 lines
998 B
C

#ifndef Py_CORE_UOP_H
#define Py_CORE_UOP_H
#ifdef __cplusplus
extern "C" {
#endif
#ifndef Py_BUILD_CORE
# error "this header requires Py_BUILD_CORE define"
#endif
#include <stdint.h>
/* Depending on the format,
* the 32 bits between the oparg and operand are:
* UOP_FORMAT_TARGET:
* uint32_t target;
* UOP_FORMAT_JUMP
* uint16_t jump_target;
* uint16_t error_target;
*/
typedef struct _PyUOpInstruction{
uint16_t opcode:15;
uint16_t format:1;
uint16_t oparg;
union {
uint32_t target;
struct {
uint16_t jump_target;
uint16_t error_target;
};
};
uint64_t operand0; // A cache entry
uint64_t operand1;
#ifdef Py_STATS
uint64_t execution_count;
#endif
} _PyUOpInstruction;
// This is the length of the trace we project initially.
#define UOP_MAX_TRACE_LENGTH 1200
#define UOP_BUFFER_SIZE (UOP_MAX_TRACE_LENGTH * sizeof(_PyUOpInstruction))
#ifdef __cplusplus
}
#endif
#endif /* !Py_INTERNAL_UOP_H */