mirror of https://github.com/python/cpython
141 lines
4.1 KiB
C
141 lines
4.1 KiB
C
#include "Python.h"
|
|
|
|
#include "pycore_backoff.h"
|
|
#include "pycore_call.h"
|
|
#include "pycore_ceval.h"
|
|
#include "pycore_cell.h"
|
|
#include "pycore_dict.h"
|
|
#include "pycore_emscripten_signal.h"
|
|
#include "pycore_intrinsics.h"
|
|
#include "pycore_jit.h"
|
|
#include "pycore_long.h"
|
|
#include "pycore_opcode_metadata.h"
|
|
#include "pycore_opcode_utils.h"
|
|
#include "pycore_optimizer.h"
|
|
#include "pycore_pyatomic_ft_wrappers.h"
|
|
#include "pycore_range.h"
|
|
#include "pycore_setobject.h"
|
|
#include "pycore_sliceobject.h"
|
|
#include "pycore_descrobject.h"
|
|
#include "pycore_stackref.h"
|
|
|
|
#include "ceval_macros.h"
|
|
|
|
#include "jit.h"
|
|
|
|
#undef CURRENT_OPARG
|
|
#define CURRENT_OPARG() (_oparg)
|
|
|
|
#undef CURRENT_OPERAND0
|
|
#define CURRENT_OPERAND0() (_operand0)
|
|
|
|
#undef CURRENT_OPERAND1
|
|
#define CURRENT_OPERAND1() (_operand1)
|
|
|
|
#undef DEOPT_IF
|
|
#define DEOPT_IF(COND, INSTNAME) \
|
|
do { \
|
|
if ((COND)) { \
|
|
goto deoptimize; \
|
|
} \
|
|
} while (0)
|
|
|
|
#undef ENABLE_SPECIALIZATION
|
|
#define ENABLE_SPECIALIZATION (0)
|
|
|
|
#undef GOTO_ERROR
|
|
#define GOTO_ERROR(LABEL) \
|
|
do { \
|
|
goto LABEL ## _tier_two; \
|
|
} while (0)
|
|
|
|
#undef GOTO_TIER_TWO
|
|
#define GOTO_TIER_TWO(EXECUTOR) \
|
|
do { \
|
|
OPT_STAT_INC(traces_executed); \
|
|
__attribute__((musttail)) \
|
|
return ((jit_func_preserve_none)((EXECUTOR)->jit_side_entry))(frame, stack_pointer, tstate); \
|
|
} while (0)
|
|
|
|
#undef GOTO_TIER_ONE
|
|
#define GOTO_TIER_ONE(TARGET) \
|
|
do { \
|
|
_PyFrame_SetStackPointer(frame, stack_pointer); \
|
|
return TARGET; \
|
|
} while (0)
|
|
|
|
#undef LOAD_IP
|
|
#define LOAD_IP(UNUSED) \
|
|
do { \
|
|
} while (0)
|
|
|
|
#define PATCH_VALUE(TYPE, NAME, ALIAS) \
|
|
PyAPI_DATA(void) ALIAS; \
|
|
TYPE NAME = (TYPE)(uintptr_t)&ALIAS;
|
|
|
|
#define PATCH_JUMP(ALIAS) \
|
|
do { \
|
|
PyAPI_DATA(void) ALIAS; \
|
|
__attribute__((musttail)) \
|
|
return ((jit_func_preserve_none)&ALIAS)(frame, stack_pointer, tstate); \
|
|
} while (0)
|
|
|
|
#undef JUMP_TO_JUMP_TARGET
|
|
#define JUMP_TO_JUMP_TARGET() PATCH_JUMP(_JIT_JUMP_TARGET)
|
|
|
|
#undef JUMP_TO_ERROR
|
|
#define JUMP_TO_ERROR() PATCH_JUMP(_JIT_ERROR_TARGET)
|
|
|
|
#undef WITHIN_STACK_BOUNDS
|
|
#define WITHIN_STACK_BOUNDS() 1
|
|
|
|
#define TIER_TWO 2
|
|
|
|
__attribute__((preserve_none)) _Py_CODEUNIT *
|
|
_JIT_ENTRY(_PyInterpreterFrame *frame, _PyStackRef *stack_pointer, PyThreadState *tstate)
|
|
{
|
|
// Locals that the instruction implementations expect to exist:
|
|
PATCH_VALUE(_PyExecutorObject *, current_executor, _JIT_EXECUTOR)
|
|
int oparg;
|
|
int uopcode = _JIT_OPCODE;
|
|
_Py_CODEUNIT *next_instr;
|
|
// Other stuff we need handy:
|
|
PATCH_VALUE(uint16_t, _oparg, _JIT_OPARG)
|
|
#if SIZEOF_VOID_P == 8
|
|
PATCH_VALUE(uint64_t, _operand0, _JIT_OPERAND0)
|
|
PATCH_VALUE(uint64_t, _operand1, _JIT_OPERAND1)
|
|
#else
|
|
assert(SIZEOF_VOID_P == 4);
|
|
PATCH_VALUE(uint32_t, _operand0_hi, _JIT_OPERAND0_HI)
|
|
PATCH_VALUE(uint32_t, _operand0_lo, _JIT_OPERAND0_LO)
|
|
uint64_t _operand0 = ((uint64_t)_operand0_hi << 32) | _operand0_lo;
|
|
|
|
PATCH_VALUE(uint32_t, _operand1_hi, _JIT_OPERAND1_HI)
|
|
PATCH_VALUE(uint32_t, _operand1_lo, _JIT_OPERAND1_LO)
|
|
uint64_t _operand1 = ((uint64_t)_operand1_hi << 32) | _operand1_lo;
|
|
#endif
|
|
PATCH_VALUE(uint32_t, _target, _JIT_TARGET)
|
|
|
|
OPT_STAT_INC(uops_executed);
|
|
UOP_STAT_INC(uopcode, execution_count);
|
|
|
|
switch (uopcode) {
|
|
// The actual instruction definition gets inserted here:
|
|
CASE
|
|
default:
|
|
Py_UNREACHABLE();
|
|
}
|
|
PATCH_JUMP(_JIT_CONTINUE);
|
|
// Labels that the instruction implementations expect to exist:
|
|
|
|
error_tier_two:
|
|
tstate->previous_executor = (PyObject *)current_executor;
|
|
GOTO_TIER_ONE(NULL);
|
|
exit_to_tier1:
|
|
tstate->previous_executor = (PyObject *)current_executor;
|
|
GOTO_TIER_ONE(_PyCode_CODE(_PyFrame_GetCode(frame)) + _target);
|
|
exit_to_tier1_dynamic:
|
|
tstate->previous_executor = (PyObject *)current_executor;
|
|
GOTO_TIER_ONE(frame->instr_ptr);
|
|
}
|