diff options
-rw-r--r-- | Include/internal/pycore_uops.h | 2 | ||||
-rw-r--r-- | Makefile.pre.in | 1 | ||||
-rw-r--r-- | Python/ceval.c | 62 | ||||
-rw-r--r-- | Python/executor_cases.c.h | 291 | ||||
-rw-r--r-- | Python/opcode_metadata.h | 6 | ||||
-rw-r--r-- | Python/optimizer.c | 132 | ||||
-rw-r--r-- | Tools/cases_generator/generate_cases.py | 14 |
7 files changed, 274 insertions, 234 deletions
diff --git a/Include/internal/pycore_uops.h b/Include/internal/pycore_uops.h index 0e88d7e..5ed275f 100644 --- a/Include/internal/pycore_uops.h +++ b/Include/internal/pycore_uops.h @@ -8,7 +8,7 @@ extern "C" { # error "this header requires Py_BUILD_CORE define" #endif -#define _Py_UOP_MAX_TRACE_LENGTH 16 +#define _Py_UOP_MAX_TRACE_LENGTH 32 typedef struct { int opcode; diff --git a/Makefile.pre.in b/Makefile.pre.in index dcb3b5e..41623bd 100644 --- a/Makefile.pre.in +++ b/Makefile.pre.in @@ -1800,6 +1800,7 @@ PYTHON_HEADERS= \ $(srcdir)/Include/internal/pycore_unionobject.h \ $(srcdir)/Include/internal/pycore_unicodeobject.h \ $(srcdir)/Include/internal/pycore_unicodeobject_generated.h \ + $(srcdir)/Include/internal/pycore_uops.h \ $(srcdir)/Include/internal/pycore_warnings.h \ $(srcdir)/Include/internal/pycore_weakref.h \ $(DTRACE_HEADERS) \ diff --git a/Python/ceval.c b/Python/ceval.c index 80ae85c..6ce1a6a 100644 --- a/Python/ceval.c +++ b/Python/ceval.c @@ -2773,24 +2773,26 @@ void Py_LeaveRecursiveCall(void) _PyInterpreterFrame * _PyUopExecute(_PyExecutorObject *executor, _PyInterpreterFrame *frame, PyObject **stack_pointer) { -#ifdef LLTRACE +#ifdef Py_DEBUG char *uop_debug = Py_GETENV("PYTHONUOPSDEBUG"); int lltrace = 0; if (uop_debug != NULL && *uop_debug >= '0') { lltrace = *uop_debug - '0'; // TODO: Parse an int and all that } - if (lltrace >= 2) { - PyCodeObject *code = _PyFrame_GetCode(frame); - _Py_CODEUNIT *instr = frame->prev_instr + 1; - fprintf(stderr, - "Entering _PyUopExecute for %s (%s:%d) at offset %ld\n", - PyUnicode_AsUTF8(code->co_qualname), - PyUnicode_AsUTF8(code->co_filename), - code->co_firstlineno, - (long)(instr - (_Py_CODEUNIT *)code->co_code_adaptive)); - } +#define DPRINTF(level, ...) \ + if (lltrace >= (level)) { fprintf(stderr, __VA_ARGS__); } +#else +#define DPRINTF(level, ...) #endif + DPRINTF(3, + "Entering _PyUopExecute for %s (%s:%d) at offset %ld\n", + PyUnicode_AsUTF8(_PyFrame_GetCode(frame)->co_qualname), + PyUnicode_AsUTF8(_PyFrame_GetCode(frame)->co_filename), + _PyFrame_GetCode(frame)->co_firstlineno, + (long)(frame->prev_instr + 1 - + (_Py_CODEUNIT *)_PyFrame_GetCode(frame)->co_code_adaptive)); + PyThreadState *tstate = _PyThreadState_GET(); _PyUOpExecutorObject *self = (_PyUOpExecutorObject *)executor; @@ -2803,7 +2805,7 @@ _PyUopExecute(_PyExecutorObject *executor, _PyInterpreterFrame *frame, PyObject } OBJECT_STAT_INC(optimization_traces_executed); - _Py_CODEUNIT *ip_offset = (_Py_CODEUNIT *)_PyFrame_GetCode(frame)->co_code_adaptive - 1; + _Py_CODEUNIT *ip_offset = (_Py_CODEUNIT *)_PyFrame_GetCode(frame)->co_code_adaptive; int pc = 0; int opcode; uint64_t operand; @@ -2812,14 +2814,11 @@ _PyUopExecute(_PyExecutorObject *executor, _PyInterpreterFrame *frame, PyObject opcode = self->trace[pc].opcode; operand = self->trace[pc].operand; oparg = (int)operand; -#ifdef LLTRACE - if (lltrace >= 3) { - const char *opname = opcode < 256 ? _PyOpcode_OpName[opcode] : _PyOpcode_uop_name[opcode]; - int stack_level = (int)(stack_pointer - _PyFrame_Stackbase(frame)); - fprintf(stderr, " uop %s, operand %" PRIu64 ", stack_level %d\n", - opname, operand, stack_level); - } -#endif + DPRINTF(3, + " uop %s, operand %" PRIu64 ", stack_level %d\n", + opcode < 256 ? _PyOpcode_OpName[opcode] : _PyOpcode_uop_name[opcode], + operand, + (int)(stack_pointer - _PyFrame_Stackbase(frame))); pc++; OBJECT_STAT_INC(optimization_uops_executed); switch (opcode) { @@ -2828,7 +2827,7 @@ _PyUopExecute(_PyExecutorObject *executor, _PyInterpreterFrame *frame, PyObject #define ENABLE_SPECIALIZATION 0 #include "executor_cases.c.h" - case SET_IP: + case SAVE_IP: { frame->prev_instr = ip_offset + oparg; break; @@ -2836,6 +2835,7 @@ _PyUopExecute(_PyExecutorObject *executor, _PyInterpreterFrame *frame, PyObject case EXIT_TRACE: { + frame->prev_instr--; // Back up to just before destination _PyFrame_SetStackPointer(frame, stack_pointer); Py_DECREF(self); return frame; @@ -2850,6 +2850,13 @@ _PyUopExecute(_PyExecutorObject *executor, _PyInterpreterFrame *frame, PyObject } } +unbound_local_error: + format_exc_check_arg(tstate, PyExc_UnboundLocalError, + UNBOUNDLOCAL_ERROR_MSG, + PyTuple_GetItem(_PyFrame_GetCode(frame)->co_localsplusnames, oparg) + ); + goto error; + pop_4_error: STACK_SHRINK(1); pop_3_error: @@ -2861,11 +2868,7 @@ pop_1_error: error: // On ERROR_IF we return NULL as the frame. // The caller recovers the frame from cframe.current_frame. -#ifdef LLTRACE - if (lltrace >= 2) { - fprintf(stderr, "Error: [Opcode %d, operand %" PRIu64 "]\n", opcode, operand); - } -#endif + DPRINTF(2, "Error: [Opcode %d, operand %" PRIu64 "]\n", opcode, operand); _PyFrame_SetStackPointer(frame, stack_pointer); Py_DECREF(self); return NULL; @@ -2873,11 +2876,8 @@ error: deoptimize: // On DEOPT_IF we just repeat the last instruction. // This presumes nothing was popped from the stack (nor pushed). -#ifdef LLTRACE - if (lltrace >= 2) { - fprintf(stderr, "DEOPT: [Opcode %d, operand %" PRIu64 "]\n", opcode, operand); - } -#endif + DPRINTF(2, "DEOPT: [Opcode %d, operand %" PRIu64 "]\n", opcode, operand); + frame->prev_instr--; // Back up to just before destination _PyFrame_SetStackPointer(frame, stack_pointer); Py_DECREF(self); return frame; diff --git a/Python/executor_cases.c.h b/Python/executor_cases.c.h index 546b3d9..d1e0443 100644 --- a/Python/executor_cases.c.h +++ b/Python/executor_cases.c.h @@ -7,13 +7,25 @@ break; } + case LOAD_FAST_CHECK: { + PyObject *value; + #line 182 "Python/bytecodes.c" + value = GETLOCAL(oparg); + if (value == NULL) goto unbound_local_error; + Py_INCREF(value); + #line 17 "Python/executor_cases.c.h" + STACK_GROW(1); + stack_pointer[-1] = value; + break; + } + case LOAD_FAST: { PyObject *value; #line 188 "Python/bytecodes.c" value = GETLOCAL(oparg); assert(value != NULL); Py_INCREF(value); - #line 17 "Python/executor_cases.c.h" + #line 29 "Python/executor_cases.c.h" STACK_GROW(1); stack_pointer[-1] = value; break; @@ -25,7 +37,7 @@ value = GETLOCAL(oparg); // do not use SETLOCAL here, it decrefs the old value GETLOCAL(oparg) = NULL; - #line 29 "Python/executor_cases.c.h" + #line 41 "Python/executor_cases.c.h" STACK_GROW(1); stack_pointer[-1] = value; break; @@ -36,7 +48,7 @@ #line 209 "Python/bytecodes.c" value = GETITEM(FRAME_CO_CONSTS, oparg); Py_INCREF(value); - #line 40 "Python/executor_cases.c.h" + #line 52 "Python/executor_cases.c.h" STACK_GROW(1); stack_pointer[-1] = value; break; @@ -46,7 +58,7 @@ PyObject *value = stack_pointer[-1]; #line 214 "Python/bytecodes.c" SETLOCAL(oparg, value); - #line 50 "Python/executor_cases.c.h" + #line 62 "Python/executor_cases.c.h" STACK_SHRINK(1); break; } @@ -54,7 +66,7 @@ case POP_TOP: { PyObject *value = stack_pointer[-1]; #line 237 "Python/bytecodes.c" - #line 58 "Python/executor_cases.c.h" + #line 70 "Python/executor_cases.c.h" Py_DECREF(value); STACK_SHRINK(1); break; @@ -64,7 +76,7 @@ PyObject *res; #line 241 "Python/bytecodes.c" res = NULL; - #line 68 "Python/executor_cases.c.h" + #line 80 "Python/executor_cases.c.h" STACK_GROW(1); stack_pointer[-1] = res; break; @@ -75,7 +87,7 @@ PyObject *receiver = stack_pointer[-2]; #line 260 "Python/bytecodes.c" Py_DECREF(receiver); - #line 79 "Python/executor_cases.c.h" + #line 91 "Python/executor_cases.c.h" STACK_SHRINK(1); stack_pointer[-1] = value; break; @@ -86,11 +98,11 @@ PyObject *res; #line 275 "Python/bytecodes.c" res = PyNumber_Negative(value); - #line 90 "Python/executor_cases.c.h" + #line 102 "Python/executor_cases.c.h" Py_DECREF(value); #line 277 "Python/bytecodes.c" if (res == NULL) goto pop_1_error; - #line 94 "Python/executor_cases.c.h" + #line 106 "Python/executor_cases.c.h" stack_pointer[-1] = res; break; } @@ -101,7 +113,7 @@ #line 281 "Python/bytecodes.c" assert(PyBool_Check(value)); res = Py_IsFalse(value) ? Py_True : Py_False; - #line 105 "Python/executor_cases.c.h" + #line 117 "Python/executor_cases.c.h" stack_pointer[-1] = res; break; } @@ -111,7 +123,7 @@ #line 313 "Python/bytecodes.c" DEOPT_IF(!PyBool_Check(value), TO_BOOL); STAT_INC(TO_BOOL, hit); - #line 115 "Python/executor_cases.c.h" + #line 127 "Python/executor_cases.c.h" break; } @@ -126,12 +138,12 @@ res = Py_False; } else { - #line 130 "Python/executor_cases.c.h" + #line 142 "Python/executor_cases.c.h" Py_DECREF(value); #line 326 "Python/bytecodes.c" res = Py_True; } - #line 135 "Python/executor_cases.c.h" + #line 147 "Python/executor_cases.c.h" stack_pointer[-1] = res; break; } @@ -143,7 +155,7 @@ DEOPT_IF(!PyList_CheckExact(value), TO_BOOL); STAT_INC(TO_BOOL, hit); res = Py_SIZE(value) ? Py_True : Py_False; - #line 147 "Python/executor_cases.c.h" + #line 159 "Python/executor_cases.c.h" Py_DECREF(value); stack_pointer[-1] = res; break; @@ -157,7 +169,7 @@ DEOPT_IF(!Py_IsNone(value), TO_BOOL); STAT_INC(TO_BOOL, hit); res = Py_False; - #line 161 "Python/executor_cases.c.h" + #line 173 "Python/executor_cases.c.h" stack_pointer[-1] = res; break; } @@ -174,12 +186,12 @@ } else { assert(Py_SIZE(value)); - #line 178 "Python/executor_cases.c.h" + #line 190 "Python/executor_cases.c.h" Py_DECREF(value); #line 354 "Python/bytecodes.c" res = Py_True; } - #line 183 "Python/executor_cases.c.h" + #line 195 "Python/executor_cases.c.h" stack_pointer[-1] = res; break; } @@ -193,11 +205,11 @@ assert(version); DEOPT_IF(Py_TYPE(value)->tp_version_tag != version, TO_BOOL); STAT_INC(TO_BOOL, hit); - #line 197 "Python/executor_cases.c.h" + #line 209 "Python/executor_cases.c.h" Py_DECREF(value); #line 364 "Python/bytecodes.c" res = Py_True; - #line 201 "Python/executor_cases.c.h" + #line 213 "Python/executor_cases.c.h" stack_pointer[-1] = res; break; } @@ -207,11 +219,11 @@ PyObject *res; #line 368 "Python/bytecodes.c" res = PyNumber_Invert(value); - #line 211 "Python/executor_cases.c.h" + #line 223 "Python/executor_cases.c.h" Py_DECREF(value); #line 370 "Python/bytecodes.c" if (res == NULL) goto pop_1_error; - #line 215 "Python/executor_cases.c.h" + #line 227 "Python/executor_cases.c.h" stack_pointer[-1] = res; break; } @@ -222,7 +234,7 @@ #line 386 "Python/bytecodes.c" DEOPT_IF(!PyLong_CheckExact(left), BINARY_OP); DEOPT_IF(!PyLong_CheckExact(right), BINARY_OP); - #line 226 "Python/executor_cases.c.h" + #line 238 "Python/executor_cases.c.h" break; } @@ -236,7 +248,7 @@ _Py_DECREF_SPECIALIZED(right, (destructor)PyObject_Free); _Py_DECREF_SPECIALIZED(left, (destructor)PyObject_Free); if (res == NULL) goto pop_2_error; - #line 240 "Python/executor_cases.c.h" + #line 252 "Python/executor_cases.c.h" STACK_SHRINK(1); stack_pointer[-1] = res; break; @@ -252,7 +264,7 @@ _Py_DECREF_SPECIALIZED(right, (destructor)PyObject_Free); _Py_DECREF_SPECIALIZED(left, (destructor)PyObject_Free); if (res == NULL) goto pop_2_error; - #line 256 "Python/executor_cases.c.h" + #line 268 "Python/executor_cases.c.h" STACK_SHRINK(1); stack_pointer[-1] = res; break; @@ -268,7 +280,7 @@ _Py_DECREF_SPECIALIZED(right, (destructor)PyObject_Free); _Py_DECREF_SPECIALIZED(left, (destructor)PyObject_Free); if (res == NULL) goto pop_2_error; - #line 272 "Python/executor_cases.c.h" + #line 284 "Python/executor_cases.c.h" STACK_SHRINK(1); stack_pointer[-1] = res; break; @@ -280,7 +292,7 @@ #line 422 "Python/bytecodes.c" DEOPT_IF(!PyFloat_CheckExact(left), BINARY_OP); DEOPT_IF(!PyFloat_CheckExact(right), BINARY_OP); - #line 284 "Python/executor_cases.c.h" + #line 296 "Python/executor_cases.c.h" break; } @@ -294,7 +306,7 @@ ((PyFloatObject *)left)->ob_fval * ((PyFloatObject *)right)->ob_fval; DECREF_INPUTS_AND_REUSE_FLOAT(left, right, dres, res); - #line 298 "Python/executor_cases.c.h" + #line 310 "Python/executor_cases.c.h" STACK_SHRINK(1); stack_pointer[-1] = res; break; @@ -310,7 +322,7 @@ ((PyFloatObject *)left)->ob_fval + ((PyFloatObject *)right)->ob_fval; DECREF_INPUTS_AND_REUSE_FLOAT(left, right, dres, res); - #line 314 "Python/executor_cases.c.h" + #line 326 "Python/executor_cases.c.h" STACK_SHRINK(1); stack_pointer[-1] = res; break; @@ -326,7 +338,7 @@ ((PyFloatObject *)left)->ob_fval - ((PyFloatObject *)right)->ob_fval; DECREF_INPUTS_AND_REUSE_FLOAT(left, right, dres, res); - #line 330 "Python/executor_cases.c.h" + #line 342 "Python/executor_cases.c.h" STACK_SHRINK(1); stack_pointer[-1] = res; break; @@ -338,7 +350,7 @@ #line 458 "Python/bytecodes.c" DEOPT_IF(!PyUnicode_CheckExact(left), BINARY_OP); DEOPT_IF(!PyUnicode_CheckExact(right), BINARY_OP); - #line 342 "Python/executor_cases.c.h" + #line 354 "Python/executor_cases.c.h" break; } @@ -352,7 +364,7 @@ _Py_DECREF_SPECIALIZED(left, _PyUnicode_ExactDealloc); _Py_DECREF_SPECIALIZED(right, _PyUnicode_ExactDealloc); if (res == NULL) goto pop_2_error; - #line 356 "Python/executor_cases.c.h" + #line 368 "Python/executor_cases.c.h" STACK_SHRINK(1); stack_pointer[-1] = res; break; @@ -376,7 +388,7 @@ } Py_DECREF(container); if (res == NULL) goto pop_3_error; - #line 380 "Python/executor_cases.c.h" + #line 392 "Python/executor_cases.c.h" STACK_SHRINK(2); stack_pointer[-1] = res; break; @@ -400,7 +412,7 @@ Py_DECREF(v); Py_DECREF(container); if (err) goto pop_4_error; - #line 404 "Python/executor_cases.c.h" + #line 416 "Python/executor_cases.c.h" STACK_SHRINK(4); break; } @@ -423,7 +435,7 @@ Py_INCREF(res); _Py_DECREF_SPECIALIZED(sub, (destructor)PyObject_Free); Py_DECREF(list); - #line 427 "Python/executor_cases.c.h" + #line 439 "Python/executor_cases.c.h" STACK_SHRINK(1); stack_pointer[-1] = res; break; @@ -447,7 +459,7 @@ Py_INCREF(res); _Py_DECREF_SPECIALIZED(sub, (destructor)PyObject_Free); Py_DECREF(tuple); - #line 451 "Python/executor_cases.c.h" + #line 463 "Python/executor_cases.c.h" STACK_SHRINK(1); stack_pointer[-1] = res; break; @@ -465,14 +477,14 @@ if (!_PyErr_Occurred(tstate)) { _PyErr_SetKeyError(sub); } - #line 469 "Python/executor_cases.c.h" + #line 481 "Python/executor_cases.c.h" Py_DECREF(dict); Py_DECREF(sub); #line 603 "Python/bytecodes.c" if (true) goto pop_2_error; } Py_INCREF(res); // Do this before DECREF'ing dict, sub - #line 476 "Python/executor_cases.c.h" + #line 488 "Python/executor_cases.c.h" Py_DECREF(dict); Py_DECREF(sub); STACK_SHRINK(1); @@ -485,7 +497,7 @@ PyObject *list = stack_pointer[-(2 + (oparg-1))]; #line 635 "Python/bytecodes.c" if (_PyList_AppendTakeRef((PyListObject *)list, v) < 0) goto pop_1_error; - #line 489 "Python/executor_cases.c.h" + #line 501 "Python/executor_cases.c.h" STACK_SHRINK(1); break; } @@ -495,11 +507,11 @@ PyObject *set = stack_pointer[-(2 + (oparg-1))]; #line 639 "Python/bytecodes.c" int err = PySet_Add(set, v); - #line 499 "Python/executor_cases.c.h" + #line 511 "Python/executor_cases.c.h" Py_DECREF(v); #line 641 "Python/bytecodes.c" if (err) goto pop_1_error; - #line 503 "Python/executor_cases.c.h" + #line 515 "Python/executor_cases.c.h" STACK_SHRINK(1); break; } @@ -525,7 +537,7 @@ Py_DECREF(old_value); _Py_DECREF_SPECIALIZED(sub, (destructor)PyObject_Free); Py_DECREF(list); - #line 529 "Python/executor_cases.c.h" + #line 541 "Python/executor_cases.c.h" STACK_SHRINK(3); break; } @@ -540,7 +552,7 @@ int err = _PyDict_SetItem_Take2((PyDictObject *)dict, sub, value); Py_DECREF(dict); if (err) goto pop_3_error; - #line 544 "Python/executor_cases.c.h" + #line 556 "Python/executor_cases.c.h" STACK_SHRINK(3); break; } @@ -551,12 +563,12 @@ #line 697 "Python/bytecodes.c" /* del container[sub] */ int err = PyObject_DelItem(container, sub); - #line 555 "Python/executor_cases.c.h" + #line 567 "Python/executor_cases.c.h" Py_DECREF(container); Py_DECREF(sub); #line 700 "Python/bytecodes.c" if (err) goto pop_2_error; - #line 560 "Python/executor_cases.c.h" + #line 572 "Python/executor_cases.c.h" STACK_SHRINK(2); break; } @@ -567,11 +579,11 @@ #line 704 "Python/bytecodes.c" assert(oparg <= MAX_INTRINSIC_1); res = _PyIntrinsics_UnaryFunctions[oparg](tstate, value); - #line 571 "Python/executor_cases.c.h" + #line 583 "Python/executor_cases.c.h" Py_DECREF(value); #line 707 "Python/bytecodes.c" if (res == NULL) goto pop_1_error; - #line 575 "Python/executor_cases.c.h" + #line 587 "Python/executor_cases.c.h" stack_pointer[-1] = res; break; } @@ -583,12 +595,12 @@ #line 711 "Python/bytecodes.c" assert(oparg <= MAX_INTRINSIC_2); res = _PyIntrinsics_BinaryFunctions[oparg](tstate, value2, value1); - #line 587 "Python/executor_cases.c.h" + #line 599 "Python/executor_cases.c.h" Py_DECREF(value2); Py_DECREF(value1); #line 714 "Python/bytecodes.c" if (res == NULL) goto pop_2_error; - #line 592 "Python/executor_cases.c.h" + #line 604 "Python/executor_cases.c.h" STACK_SHRINK(1); stack_pointer[-1] = res; break; @@ -610,14 +622,14 @@ "'async for' requires an object with " "__aiter__ method, got %.100s", type->tp_name); - #line 614 "Python/executor_cases.c.h" + #line 626 "Python/executor_cases.c.h" Py_DECREF(obj); #line 832 "Python/bytecodes.c" if (true) goto pop_1_error; } iter = (*getter)(obj); - #line 621 "Python/executor_cases.c.h" + #line 633 "Python/executor_cases.c.h" Py_DECREF(obj); #line 837 "Python/bytecodes.c" if (iter == NULL) goto pop_1_error; @@ -632,7 +644,7 @@ Py_DECREF(iter); if (true) goto pop_1_error; } - #line 636 "Python/executor_cases.c.h" + #line 648 "Python/executor_cases.c.h" stack_pointer[-1] = iter; break; } @@ -683,7 +695,7 @@ Py_DECREF(next_iter); } } - #line 687 "Python/executor_cases.c.h" + #line 699 "Python/executor_cases.c.h" STACK_GROW(1); stack_pointer[-1] = awaitable; break; @@ -699,7 +711,7 @@ format_awaitable_error(tstate, Py_TYPE(iterable), oparg); } - #line 703 "Python/executor_cases.c.h" + #line 715 "Python/executor_cases.c.h" Py_DECREF(iterable); #line 904 "Python/bytecodes.c" @@ -718,7 +730,7 @@ } if (iter == NULL) goto pop_1_error; - #line 722 "Python/executor_cases.c.h" + #line 734 "Python/executor_cases.c.h" stack_pointer[-1] = iter; break; } @@ -728,7 +740,7 @@ #line 1034 "Python/bytecodes.c" _PyErr_StackItem *exc_info = tstate->exc_info; Py_XSETREF(exc_info->exc_value, exc_value); - #line 732 "Python/executor_cases.c.h" + #line 744 "Python/executor_cases.c.h" STACK_SHRINK(1); break; } @@ -737,7 +749,7 @@ PyObject *value; #line 1085 "Python/bytecodes.c" value = Py_NewRef(PyExc_AssertionError); - #line 741 "Python/executor_cases.c.h" + #line 753 "Python/executor_cases.c.h" STACK_GROW(1); stack_pointer[-1] = value; break; @@ -767,7 +779,7 @@ if (true) goto error; } } - #line 771 "Python/executor_cases.c.h" + #line 783 "Python/executor_cases.c.h" STACK_GROW(1); stack_pointer[-1] = bc; break; @@ -782,7 +794,7 @@ if (ns == NULL) { _PyErr_Format(tstate, PyExc_SystemError, "no locals found when storing %R", name); - #line 786 "Python/executor_cases.c.h" + #line 798 "Python/executor_cases.c.h" Py_DECREF(v); #line 1121 "Python/bytecodes.c" if (true) goto pop_1_error; @@ -791,11 +803,11 @@ err = PyDict_SetItem(ns, name, v); else err = PyObject_SetItem(ns, name, v); - #line 795 "Python/executor_cases.c.h" + #line 807 "Python/executor_cases.c.h" Py_DECREF(v); #line 1128 "Python/bytecodes.c" if (err) goto pop_1_error; - #line 799 "Python/executor_cases.c.h" + #line 811 "Python/executor_cases.c.h" STACK_SHRINK(1); break; } @@ -818,7 +830,7 @@ name); goto error; } - #line 822 "Python/executor_cases.c.h" + #line 834 "Python/executor_cases.c.h" break; } @@ -832,7 +844,7 @@ STAT_INC(UNPACK_SEQUENCE, hit); values[0] = Py_NewRef(PyTuple_GET_ITEM(seq, 1)); values[1] = Py_NewRef(PyTuple_GET_ITEM(seq, 0)); - #line 836 "Python/executor_cases.c.h" + #line 848 "Python/executor_cases.c.h" Py_DECREF(seq); STACK_SHRINK(1); STACK_GROW(oparg); @@ -850,7 +862,7 @@ for (int i = oparg; --i >= 0; ) { *values++ = Py_NewRef(items[i]); } - #line 854 "Python/executor_cases.c.h" + #line 866 "Python/executor_cases.c.h" Py_DECREF(seq); STACK_SHRINK(1); STACK_GROW(oparg); @@ -868,7 +880,7 @@ for (int i = oparg; --i >= 0; ) { *values++ = Py_NewRef(items[i]); } - #line 872 "Python/executor_cases.c.h" + #line 884 "Python/executor_cases.c.h" Py_DECREF(seq); STACK_SHRINK(1); STACK_GROW(oparg); @@ -881,11 +893,11 @@ int totalargs = 1 + (oparg & 0xFF) + (oparg >> 8); PyObject **top = stack_pointer + totalargs - 1; int res = unpack_iterable(tstate, seq, oparg & 0xFF, oparg >> 8, top); - #line 885 "Python/executor_cases.c.h" + #line 897 "Python/executor_cases.c.h" Py_DECREF(seq); #line 1211 "Python/bytecodes.c" if (res == 0) goto pop_1_error; - #line 889 "Python/executor_cases.c.h" + #line 901 "Python/executor_cases.c.h" STACK_GROW((oparg & 0xFF) + (oparg >> 8)); break; } @@ -895,11 +907,11 @@ #line 1242 "Python/bytecodes.c" PyObject *name = GETITEM(FRAME_CO_NAMES, oparg); int err = PyObject_SetAttr(owner, name, (PyObject *)NULL); - #line 899 "Python/executor_cases.c.h" + #line 911 "Python/executor_cases.c.h" Py_DECREF(owner); #line 1245 "Python/bytecodes.c" if (err) goto pop_1_error; - #line 903 "Python/executor_cases.c.h" + #line 915 "Python/executor_cases.c.h" STACK_SHRINK(1); break; } @@ -909,11 +921,11 @@ #line 1249 "Python/bytecodes.c" PyObject *name = GETITEM(FRAME_CO_NAMES, oparg); int err = PyDict_SetItem(GLOBALS(), name, v); - #line 913 "Python/executor_cases.c.h" + #line 925 "Python/executor_cases.c.h" Py_DECREF(v); #line 1252 "Python/bytecodes.c" if (err) goto pop_1_error; - #line 917 "Python/executor_cases.c.h" + #line 929 "Python/executor_cases.c.h" STACK_SHRINK(1); break; } @@ -931,7 +943,7 @@ } goto error; } - #line 935 "Python/executor_cases.c.h" + #line 947 "Python/executor_cases.c.h" break; } @@ -945,7 +957,7 @@ if (true) goto error; } Py_INCREF(locals); - #line 949 "Python/executor_cases.c.h" + #line 961 "Python/executor_cases.c.h" STACK_GROW(1); stack_pointer[-1] = locals; break; @@ -1011,11 +1023,20 @@ } } } - #line 1015 "Python/executor_cases.c.h" + #line 1027 "Python/executor_cases.c.h" stack_pointer[-1] = v; break; } + case DELETE_FAST: { + #line 1435 "Python/bytecodes.c" + PyObject *v = GETLOCAL(oparg); + if (v == NULL) goto unbound_local_error; + SETLOCAL(oparg, NULL); + #line 1037 "Python/executor_cases.c.h" + break; + } + case DELETE_DEREF: { #line 1452 "Python/bytecodes.c" PyObject *cell = GETLOCAL(oparg); @@ -1028,7 +1049,7 @@ } PyCell_SET(cell, NULL); Py_DECREF(oldobj); - #line 1032 "Python/executor_cases.c.h" + #line 1053 "Python/executor_cases.c.h" break; } @@ -1070,7 +1091,7 @@ } Py_INCREF(value); } - #line 1074 "Python/executor_cases.c.h" + #line 1095 "Python/executor_cases.c.h" stack_pointer[-1] = value; break; } @@ -1085,7 +1106,7 @@ if (true) goto error; } Py_INCREF(value); - #line 1089 "Python/executor_cases.c.h" + #line 1110 "Python/executor_cases.c.h" STACK_GROW(1); stack_pointer[-1] = value; break; @@ -1098,7 +1119,7 @@ PyObject *oldobj = PyCell_GET(cell); PyCell_SET(cell, v); Py_XDECREF(oldobj); - #line 1102 "Python/executor_cases.c.h" + #line 1123 "Python/executor_cases.c.h" STACK_SHRINK(1); break; } @@ -1115,7 +1136,7 @@ PyObject *o = PyTuple_GET_ITEM(closure, i); frame->localsplus[offset + i] = Py_NewRef(o); } - #line 1119 "Python/executor_cases.c.h" + #line 1140 "Python/executor_cases.c.h" break; } @@ -1124,13 +1145,13 @@ PyObject *str; #line 1532 "Python/bytecodes.c" str = _PyUnicode_JoinArray(&_Py_STR(empty), pieces, oparg); - #line 1128 "Python/executor_cases.c.h" + #line 1149 "Python/executor_cases.c.h" for (int _i = oparg; --_i >= 0;) { Py_DECREF(pieces[_i]); } #line 1534 "Python/bytecodes.c" if (str == NULL) { STACK_SHRINK(oparg); goto error; } - #line 1134 "Python/executor_cases.c.h" + #line 1155 "Python/executor_cases.c.h" STACK_SHRINK(oparg); STACK_GROW(1); stack_pointer[-1] = str; @@ -1143,7 +1164,7 @@ #line 1538 "Python/bytecodes.c" tup = _PyTuple_FromArraySteal(values, oparg); if (tup == NULL) { STACK_SHRINK(oparg); goto error; } - #line 1147 "Python/executor_cases.c.h" + #line 1168 "Python/executor_cases.c.h" STACK_SHRINK(oparg); STACK_GROW(1); stack_pointer[-1] = tup; @@ -1156,7 +1177,7 @@ #line 1543 "Python/bytecodes.c" list = _PyList_FromArraySteal(values, oparg); if (list == NULL) { STACK_SHRINK(oparg); goto error; } - #line 1160 "Python/executor_cases.c.h" + #line 1181 "Python/executor_cases.c.h" STACK_SHRINK(oparg); STACK_GROW(1); stack_pointer[-1] = list; @@ -1177,13 +1198,13 @@ "Value after * must be an iterable, not %.200s", Py_TYPE(iterable)->tp_name); } - #line 1181 "Python/executor_cases.c.h" + #line 1202 "Python/executor_cases.c.h" Py_DECREF(iterable); #line 1559 "Python/bytecodes.c" if (true) goto pop_1_error; } assert(Py_IsNone(none_val)); - #line 1187 "Python/executor_cases.c.h" + #line 1208 "Python/executor_cases.c.h" Py_DECREF(iterable); STACK_SHRINK(1); break; @@ -1194,11 +1215,11 @@ PyObject *set = stack_pointer[-(2 + (oparg-1))]; #line 1566 "Python/bytecodes.c" int err = _PySet_Update(set, iterable); - #line 1198 "Python/executor_cases.c.h" + #line 1219 "Python/executor_cases.c.h" Py_DECREF(iterable); #line 1568 "Python/bytecodes.c" if (err < 0) goto pop_1_error; - #line 1202 "Python/executor_cases.c.h" + #line 1223 "Python/executor_cases.c.h" STACK_SHRINK(1); break; } @@ -1221,7 +1242,7 @@ Py_DECREF(set); if (true) { STACK_SHRINK(oparg); goto error; } } - #line 1225 "Python/executor_cases.c.h" + #line 1246 "Python/executor_cases.c.h" STACK_SHRINK(oparg); STACK_GROW(1); stack_pointer[-1] = set; @@ -1239,13 +1260,13 @@ if (map == NULL) goto error; - #line 1243 "Python/executor_cases.c.h" + #line 1264 "Python/executor_cases.c.h" for (int _i = oparg*2; --_i >= 0;) { Py_DECREF(values[_i]); } #line 1597 "Python/bytecodes.c" if (map == NULL) { STACK_SHRINK(oparg*2); goto error; } - #line 1249 "Python/executor_cases.c.h" + #line 1270 "Python/executor_cases.c.h" STACK_SHRINK(oparg*2); STACK_GROW(1); stack_pointer[-1] = map; @@ -1293,7 +1314,7 @@ Py_DECREF(ann_dict); } } - #line 1297 "Python/executor_cases.c.h" + #line 1318 "Python/executor_cases.c.h" break; } @@ -1311,14 +1332,14 @@ map = _PyDict_FromItems( &PyTuple_GET_ITEM(keys, 0), 1, values, 1, oparg); - #line 1315 "Python/executor_cases.c.h" + #line 1336 "Python/executor_cases.c.h" for (int _i = oparg; --_i >= 0;) { Py_DECREF(values[_i]); } Py_DECREF(keys); #line 1653 "Python/bytecodes.c" if (map == NULL) { STACK_SHRINK(oparg); goto pop_1_error; } - #line 1322 "Python/executor_cases.c.h" + #line 1343 "Python/executor_cases.c.h" STACK_SHRINK(oparg); stack_pointer[-1] = map; break; @@ -1334,12 +1355,12 @@ "'%.200s' object is not a mapping", Py_TYPE(update)->tp_name); } - #line 1338 "Python/executor_cases.c.h" + #line 1359 "Python/executor_cases.c.h" Py_DECREF(update); #line 1665 "Python/bytecodes.c" if (true) goto pop_1_error; } - #line 1343 "Python/executor_cases.c.h" + #line 1364 "Python/executor_cases.c.h" Py_DECREF(update); STACK_SHRINK(1); break; @@ -1352,12 +1373,12 @@ if (_PyDict_MergeEx(dict, update, 2) < 0) { format_kwargs_error(tstate, PEEK(3 + oparg), update); - #line 1356 "Python/executor_cases.c.h" + #line 1377 "Python/executor_cases.c.h" Py_DECREF(update); #line 1676 "Python/bytecodes.c" if (true) goto pop_1_error; } - #line 1361 "Python/executor_cases.c.h" + #line 1382 "Python/executor_cases.c.h" Py_DECREF(update); STACK_SHRINK(1); break; @@ -1372,7 +1393,7 @@ /* dict[key] = value */ // Do not DECREF INPUTS because the function steals the references if (_PyDict_SetItem_Take2((PyDictObject *)dict, key, value) != 0) goto pop_2_error; - #line 1376 "Python/executor_cases.c.h" + #line 1397 "Python/executor_cases.c.h" STACK_SHRINK(2); break; } @@ -1390,13 +1411,13 @@ STAT_INC(LOAD_SUPER_ATTR, hit); PyObject *name = GETITEM(FRAME_CO_NAMES, oparg >> 2); res = _PySuper_Lookup((PyTypeObject *)class, self, name, NULL); - #line 1394 "Python/executor_cases.c.h" + #line 1415 "Python/executor_cases.c.h" Py_DECREF(global_super); Py_DECREF(class); Py_DECREF(self); #line 1772 "Python/bytecodes.c" if (res == NULL) goto pop_3_error; - #line 1400 "Python/executor_cases.c.h" + #line 1421 "Python/executor_cases.c.h" STACK_SHRINK(2); STACK_GROW(((oparg & 1) ? 1 : 0)); stack_pointer[-1] = res; @@ -1433,7 +1454,7 @@ res = res2; res2 = NULL; } - #line 1437 "Python/executor_cases.c.h" + #line 1458 "Python/executor_cases.c.h" STACK_SHRINK(1); stack_pointer[-1] = res; stack_pointer[-2] = res2; @@ -1456,7 +1477,7 @@ _Py_DECREF_SPECIALIZED(right, _PyFloat_ExactDealloc); res = (sign_ish & oparg) ? Py_True : Py_False; // It's always a bool, so we don't care about oparg & 16. - #line 1460 "Python/executor_cases.c.h" + #line 1481 "Python/executor_cases.c.h" STACK_SHRINK(1); stack_pointer[-1] = res; break; @@ -1482,7 +1503,7 @@ _Py_DECREF_SPECIALIZED(right, (destructor)PyObject_Free); res = (sign_ish & oparg) ? Py_True : Py_False; // It's always a bool, so we don't care about oparg & 16. - #line 1486 "Python/executor_cases.c.h" + #line 1507 "Python/executor_cases.c.h" STACK_SHRINK(1); stack_pointer[-1] = res; break; @@ -1505,7 +1526,7 @@ assert(COMPARISON_NOT_EQUALS + 1 == COMPARISON_EQUALS); res = ((COMPARISON_NOT_EQUALS + eq) & oparg) ? Py_True : Py_False; // It's always a bool, so we don't care about oparg & 16. - #line 1509 "Python/executor_cases.c.h" + #line 1530 "Python/executor_cases.c.h" STACK_SHRINK(1); stack_pointer[-1] = res; break; @@ -1517,12 +1538,12 @@ PyObject *b; #line 2163 "Python/bytecodes.c" int res = Py_Is(left, right) ^ oparg; - #line 1521 "Python/executor_cases.c.h" + #line 1542 "Python/executor_cases.c.h" Py_DECREF(left); Py_DECREF(right); #line 2165 "Python/bytecodes.c" b = res ? Py_True : Py_False; - #line 1526 "Python/executor_cases.c.h" + #line 1547 "Python/executor_cases.c.h" STACK_SHRINK(1); stack_pointer[-1] = b; break; @@ -1534,13 +1555,13 @@ PyObject *b; #line 2169 "Python/bytecodes.c" int res = PySequence_Contains(right, left); - #line 1538 "Python/executor_cases.c.h" + #line 1559 "Python/executor_cases.c.h" Py_DECREF(left); Py_DECREF(right); #line 2171 "Python/bytecodes.c" if (res < 0) goto pop_2_error; b = (res ^ oparg) ? Py_True : Py_False; - #line 1544 "Python/executor_cases.c.h" + #line 1565 "Python/executor_cases.c.h" STACK_SHRINK(1); stack_pointer[-1] = b; break; @@ -1553,7 +1574,7 @@ PyObject *match; #line 2176 "Python/bytecodes.c" if (check_except_star_type_valid(tstate, match_type) < 0) { - #line 1557 "Python/executor_cases.c.h" + #line 1578 "Python/executor_cases.c.h" Py_DECREF(exc_value); Py_DECREF(match_type); #line 2178 "Python/bytecodes.c" @@ -1564,7 +1585,7 @@ rest = NULL; int res = exception_group_match(exc_value, match_type, &match, &rest); - #line 1568 "Python/executor_cases.c.h" + #line 1589 "Python/executor_cases.c.h" Py_DECREF(exc_value); Py_DECREF(match_type); #line 2186 "Python/bytecodes.c" @@ -1576,7 +1597,7 @@ if (!Py_IsNone(match)) { PyErr_SetHandledException(match); } - #line 1580 "Python/executor_cases.c.h" + #line 1601 "Python/executor_cases.c.h" stack_pointer[-1] = match; stack_pointer[-2] = rest; break; @@ -1589,18 +1610,18 @@ #line 2197 "Python/bytecodes.c" assert(PyExceptionInstance_Check(left)); if (check_except_type_valid(tstate, right) < 0) { - #line 1593 "Python/executor_cases.c.h" + #line 1614 "Python/executor_cases.c.h" Py_DECREF(right); #line 2200 "Python/bytecodes.c" if (true) goto pop_1_error; } int res = PyErr_GivenExceptionMatches(left, right); - #line 1600 "Python/executor_cases.c.h" + #line 1621 "Python/executor_cases.c.h" Py_DECREF(right); #line 2205 "Python/bytecodes.c" b = res ? Py_True : Py_False; - #line 1604 "Python/executor_cases.c.h" + #line 1625 "Python/executor_cases.c.h" stack_pointer[-1] = b; break; } @@ -1614,7 +1635,7 @@ if (len_i < 0) goto error; len_o = PyLong_FromSsize_t(len_i); if (len_o == NULL) goto error; - #line 1618 "Python/executor_cases.c.h" + #line 1639 "Python/executor_cases.c.h" STACK_GROW(1); stack_pointer[-1] = len_o; break; @@ -1630,7 +1651,7 @@ // None on failure. assert(PyTuple_CheckExact(names)); attrs = match_class(tstate, subject, type, oparg, names); - #line 1634 "Python/executor_cases.c.h" + #line 1655 "Python/executor_cases.c.h" Py_DECREF(subject); Py_DECREF(type); Py_DECREF(names); @@ -1642,7 +1663,7 @@ if (_PyErr_Occurred(tstate)) goto pop_3_error; attrs = Py_None; // Failure! } - #line 1646 "Python/executor_cases.c.h" + #line 1667 "Python/executor_cases.c.h" STACK_SHRINK(2); stack_pointer[-1] = attrs; break; @@ -1654,7 +1675,7 @@ #line 2327 "Python/bytecodes.c" int match = Py_TYPE(subject)->tp_flags & Py_TPFLAGS_MAPPING; res = match ? Py_True : Py_False; - #line 1658 "Python/executor_cases.c.h" + #line 1679 "Python/executor_cases.c.h" STACK_GROW(1); stack_pointer[-1] = res; break; @@ -1666,7 +1687,7 @@ #line 2332 "Python/bytecodes.c" int match = Py_TYPE(subject)->tp_flags & Py_TPFLAGS_SEQUENCE; res = match ? Py_True : Py_False; - #line 1670 "Python/executor_cases.c.h" + #line 1691 "Python/executor_cases.c.h" STACK_GROW(1); stack_pointer[-1] = res; break; @@ -1680,7 +1701,7 @@ // On successful match, PUSH(values). Otherwise, PUSH(None). values_or_none = match_keys(tstate, subject, keys); if (values_or_none == NULL) goto error; - #line 1684 "Python/executor_cases.c.h" + #line 1705 "Python/executor_cases.c.h" STACK_GROW(1); stack_pointer[-1] = values_or_none; break; @@ -1692,11 +1713,11 @@ #line 2343 "Python/bytecodes.c" /* before: [obj]; after [getiter(obj)] */ iter = PyObject_GetIter(iterable); - #line 1696 "Python/executor_cases.c.h" + #line 1717 "Python/executor_cases.c.h" Py_DECREF(iterable); #line 2346 "Python/bytecodes.c" if (iter == NULL) goto pop_1_error; - #line 1700 "Python/executor_cases.c.h" + #line 1721 "Python/executor_cases.c.h" stack_pointer[-1] = iter; break; } @@ -1727,11 +1748,11 @@ if (iter == NULL) { goto error; } - #line 1731 "Python/executor_cases.c.h" + #line 1752 "Python/executor_cases.c.h" Py_DECREF(iterable); #line 2373 "Python/bytecodes.c" } - #line 1735 "Python/executor_cases.c.h" + #line 1756 "Python/executor_cases.c.h" stack_pointer[-1] = iter; break; } @@ -1762,7 +1783,7 @@ res = PyObject_Vectorcall(exit_func, stack + 1, 3 | PY_VECTORCALL_ARGUMENTS_OFFSET, NULL); if (res == NULL) goto error; - #line 1766 "Python/executor_cases.c.h" + #line 1787 "Python/executor_cases.c.h" STACK_GROW(1); stack_pointer[-1] = res; break; @@ -1781,7 +1802,7 @@ } assert(PyExceptionInstance_Check(new_exc)); exc_info->exc_value = Py_NewRef(new_exc); - #line 1785 "Python/executor_cases.c.h" + #line 1806 "Python/executor_cases.c.h" STACK_GROW(1); stack_pointer[-1] = new_exc; stack_pointer[-2] = prev_exc; @@ -1798,7 +1819,7 @@ Py_TYPE(should_be_none)->tp_name); goto error; } - #line 1802 "Python/executor_cases.c.h" + #line 1823 "Python/executor_cases.c.h" STACK_SHRINK(1); break; } @@ -1818,7 +1839,7 @@ func_obj->func_version = ((PyCodeObject *)codeobj)->co_version; func = (PyObject *)func_obj; - #line 1822 "Python/executor_cases.c.h" + #line 1843 "Python/executor_cases.c.h" stack_pointer[-1] = func; break; } @@ -1851,7 +1872,7 @@ default: Py_UNREACHABLE(); } - #line 1855 "Python/executor_cases.c.h" + #line 1876 "Python/executor_cases.c.h" STACK_SHRINK(1); stack_pointer[-1] = func; break; @@ -1864,13 +1885,13 @@ PyObject *slice; #line 3491 "Python/bytecodes.c" slice = PySlice_New(start, stop, step); - #line 1868 "Python/executor_cases.c.h" + #line 1889 "Python/executor_cases.c.h" Py_DECREF(start); Py_DECREF(stop); Py_XDECREF(step); #line 3493 "Python/bytecodes.c" if (slice == NULL) { STACK_SHRINK(((oparg == 3) ? 1 : 0)); goto pop_2_error; } - #line 1874 "Python/executor_cases.c.h" + #line 1895 "Python/executor_cases.c.h" STACK_SHRINK(((oparg == 3) ? 1 : 0)); STACK_SHRINK(1); stack_pointer[-1] = slice; @@ -1887,7 +1908,7 @@ result = conv_fn(value); Py_DECREF(value); if (result == NULL) goto pop_1_error; - #line 1891 "Python/executor_cases.c.h" + #line 1912 "Python/executor_cases.c.h" stack_pointer[-1] = result; break; } @@ -1906,7 +1927,7 @@ else { res = value; } - #line 1910 "Python/executor_cases.c.h" + #line 1931 "Python/executor_cases.c.h" stack_pointer[-1] = res; break; } @@ -1920,7 +1941,7 @@ Py_DECREF(value); Py_DECREF(fmt_spec); if (res == NULL) goto pop_2_error; - #line 1924 "Python/executor_cases.c.h" + #line 1945 "Python/executor_cases.c.h" STACK_SHRINK(1); stack_pointer[-1] = res; break; @@ -1932,7 +1953,7 @@ #line 3526 "Python/bytecodes.c" assert(oparg > 0); top = Py_NewRef(bottom); - #line 1936 "Python/executor_cases.c.h" + #line 1957 "Python/executor_cases.c.h" STACK_GROW(1); stack_pointer[-1] = top; break; @@ -1943,7 +1964,7 @@ PyObject *bottom = stack_pointer[-(2 + (oparg-2))]; #line 3551 "Python/bytecodes.c" assert(oparg >= 2); - #line 1947 "Python/executor_cases.c.h" + #line 1968 "Python/executor_cases.c.h" stack_pointer[-1] = bottom; stack_pointer[-(2 + (oparg-2))] = top; break; diff --git a/Python/opcode_metadata.h b/Python/opcode_metadata.h index 6a42775..ac3d800 100644 --- a/Python/opcode_metadata.h +++ b/Python/opcode_metadata.h @@ -20,7 +20,7 @@ 0) #define EXIT_TRACE 300 -#define SET_IP 301 +#define SAVE_IP 301 #define _GUARD_BOTH_INT 302 #define _BINARY_OP_MULTIPLY_INT 303 #define _BINARY_OP_ADD_INT 304 @@ -1164,6 +1164,7 @@ const struct opcode_metadata _PyOpcode_opcode_metadata[512] = { }; const struct opcode_macro_expansion _PyOpcode_macro_expansion[256] = { [NOP] = { .nuops = 1, .uops = { { NOP, 0, 0 } } }, + [LOAD_FAST_CHECK] = { .nuops = 1, .uops = { { LOAD_FAST_CHECK, 0, 0 } } }, [LOAD_FAST] = { .nuops = 1, .uops = { { LOAD_FAST, 0, 0 } } }, [LOAD_FAST_AND_CLEAR] = { .nuops = 1, .uops = { { LOAD_FAST_AND_CLEAR, 0, 0 } } }, [LOAD_CONST] = { .nuops = 1, .uops = { { LOAD_CONST, 0, 0 } } }, @@ -1218,6 +1219,7 @@ const struct opcode_macro_expansion _PyOpcode_macro_expansion[256] = { [LOAD_LOCALS] = { .nuops = 1, .uops = { { _LOAD_LOCALS, 0, 0 } } }, [LOAD_NAME] = { .nuops = 2, .uops = { { _LOAD_LOCALS, 0, 0 }, { _LOAD_FROM_DICT_OR_GLOBALS, 0, 0 } } }, [LOAD_FROM_DICT_OR_GLOBALS] = { .nuops = 1, .uops = { { _LOAD_FROM_DICT_OR_GLOBALS, 0, 0 } } }, + [DELETE_FAST] = { .nuops = 1, .uops = { { DELETE_FAST, 0, 0 } } }, [DELETE_DEREF] = { .nuops = 1, .uops = { { DELETE_DEREF, 0, 0 } } }, [LOAD_FROM_DICT_OR_DEREF] = { .nuops = 1, .uops = { { LOAD_FROM_DICT_OR_DEREF, 0, 0 } } }, [LOAD_DEREF] = { .nuops = 1, .uops = { { LOAD_DEREF, 0, 0 } } }, @@ -1266,7 +1268,7 @@ const struct opcode_macro_expansion _PyOpcode_macro_expansion[256] = { #ifdef Py_DEBUG const char * const _PyOpcode_uop_name[512] = { [300] = "EXIT_TRACE", - [301] = "SET_IP", + [301] = "SAVE_IP", [302] = "_GUARD_BOTH_INT", [303] = "_BINARY_OP_MULTIPLY_INT", [304] = "_BINARY_OP_ADD_INT", diff --git a/Python/optimizer.c b/Python/optimizer.c index b00825a..32f0b14 100644 --- a/Python/optimizer.c +++ b/Python/optimizer.c @@ -282,11 +282,6 @@ PyUnstable_Optimizer_NewCounter(void) ///////////////////// Experimental UOp Optimizer ///////////////////// -#ifdef Py_DEBUG - /* For debugging the interpreter: */ -# define LLTRACE 1 /* Low-level trace feature */ -#endif - static void uop_dealloc(_PyUOpExecutorObject *self) { PyObject_Free(self); @@ -308,60 +303,81 @@ translate_bytecode_to_trace( _PyUOpInstruction *trace, int max_length) { -#ifdef LLTRACE + int trace_length = 0; + +#ifdef Py_DEBUG char *uop_debug = Py_GETENV("PYTHONUOPSDEBUG"); int lltrace = 0; if (uop_debug != NULL && *uop_debug >= '0') { lltrace = *uop_debug - '0'; // TODO: Parse an int and all that } - if (lltrace >= 4) { - fprintf(stderr, - "Optimizing %s (%s:%d) at offset %ld\n", - PyUnicode_AsUTF8(code->co_qualname), - PyUnicode_AsUTF8(code->co_filename), - code->co_firstlineno, - (long)(instr - (_Py_CODEUNIT *)code->co_code_adaptive)); - } -#define ADD_TO_TRACE(OPCODE, OPERAND) \ - if (lltrace >= 2) { \ - const char *opname = (OPCODE) < 256 ? _PyOpcode_OpName[(OPCODE)] : _PyOpcode_uop_name[(OPCODE)]; \ - fprintf(stderr, " ADD_TO_TRACE(%s, %" PRIu64 ")\n", opname, (uint64_t)(OPERAND)); \ - } \ - trace[trace_length].opcode = (OPCODE); \ - trace[trace_length].operand = (OPERAND); \ - trace_length++; +#define DPRINTF(level, ...) \ + if (lltrace >= (level)) { fprintf(stderr, __VA_ARGS__); } #else -#define ADD_TO_TRACE(OPCODE, OPERAND) \ - trace[trace_length].opcode = (OPCODE); \ - trace[trace_length].operand = (OPERAND); \ - trace_length++; +#define DPRINTF(level, ...) #endif - int trace_length = 0; - // Always reserve space for one uop, plus SET_UP, plus EXIT_TRACE - while (trace_length + 3 <= max_length) { +#define ADD_TO_TRACE(OPCODE, OPERAND) \ + DPRINTF(2, \ + " ADD_TO_TRACE(%s, %" PRIu64 ")\n", \ + (OPCODE) < 256 ? _PyOpcode_OpName[(OPCODE)] : _PyOpcode_uop_name[(OPCODE)], \ + (uint64_t)(OPERAND)); \ + assert(trace_length < max_length); \ + trace[trace_length].opcode = (OPCODE); \ + trace[trace_length].operand = (OPERAND); \ + trace_length++; + + DPRINTF(4, + "Optimizing %s (%s:%d) at offset %ld\n", + PyUnicode_AsUTF8(code->co_qualname), + PyUnicode_AsUTF8(code->co_filename), + code->co_firstlineno, + (long)(instr - (_Py_CODEUNIT *)code->co_code_adaptive)); + + for (;;) { + ADD_TO_TRACE(SAVE_IP, (int)(instr - (_Py_CODEUNIT *)code->co_code_adaptive)); int opcode = instr->op.code; uint64_t operand = instr->op.arg; switch (opcode) { case LOAD_FAST_LOAD_FAST: + case STORE_FAST_LOAD_FAST: + case STORE_FAST_STORE_FAST: { - // Reserve space for two uops (+ SETUP + EXIT_TRACE) + // Reserve space for two uops (+ SAVE_IP + EXIT_TRACE) if (trace_length + 4 > max_length) { + DPRINTF(1, "Ran out of space for LOAD_FAST_LOAD_FAST\n"); goto done; } uint64_t oparg1 = operand >> 4; uint64_t oparg2 = operand & 15; - ADD_TO_TRACE(LOAD_FAST, oparg1); - ADD_TO_TRACE(LOAD_FAST, oparg2); + switch (opcode) { + case LOAD_FAST_LOAD_FAST: + ADD_TO_TRACE(LOAD_FAST, oparg1); + ADD_TO_TRACE(LOAD_FAST, oparg2); + break; + case STORE_FAST_LOAD_FAST: + ADD_TO_TRACE(STORE_FAST, oparg1); + ADD_TO_TRACE(LOAD_FAST, oparg2); + break; + case STORE_FAST_STORE_FAST: + ADD_TO_TRACE(STORE_FAST, oparg1); + ADD_TO_TRACE(STORE_FAST, oparg2); + break; + default: + Py_FatalError("Missing case"); + } break; } default: { const struct opcode_macro_expansion *expansion = &_PyOpcode_macro_expansion[opcode]; if (expansion->nuops > 0) { - // Reserve space for nuops (+ SETUP + EXIT_TRACE) + // Reserve space for nuops (+ SAVE_IP + EXIT_TRACE) int nuops = expansion->nuops; if (trace_length + nuops + 2 > max_length) { + DPRINTF(1, + "Ran out of space for %s\n", + opcode < 256 ? _PyOpcode_OpName[opcode] : _PyOpcode_uop_name[opcode]); goto done; } for (int i = 0; i < nuops; i++) { @@ -387,49 +403,45 @@ translate_bytecode_to_trace( Py_FatalError("garbled expansion"); } ADD_TO_TRACE(expansion->uops[i].uop, operand); - assert(expansion->uops[0].size == 0); // TODO } break; } - // fprintf(stderr, "Unsupported opcode %d\n", opcode); - goto done; // Break out of while loop + DPRINTF(2, + "Unsupported opcode %s\n", + opcode < 256 ? _PyOpcode_OpName[opcode] : _PyOpcode_uop_name[opcode]); + goto done; // Break out of loop } } instr++; // Add cache size for opcode instr += _PyOpcode_Caches[_PyOpcode_Deopt[opcode]]; - ADD_TO_TRACE(SET_IP, (int)(instr - (_Py_CODEUNIT *)code->co_code_adaptive)); } + done: - if (trace_length > 0) { + // Skip short traces like SAVE_IP, LOAD_FAST, SAVE_IP, EXIT_TRACE + if (trace_length > 3) { ADD_TO_TRACE(EXIT_TRACE, 0); -#ifdef LLTRACE - if (lltrace >= 1) { - fprintf(stderr, - "Created a trace for %s (%s:%d) at offset %ld -- length %d\n", - PyUnicode_AsUTF8(code->co_qualname), - PyUnicode_AsUTF8(code->co_filename), - code->co_firstlineno, - (long)(instr - (_Py_CODEUNIT *)code->co_code_adaptive), - trace_length); - } -#endif + DPRINTF(1, + "Created a trace for %s (%s:%d) at offset %ld -- length %d\n", + PyUnicode_AsUTF8(code->co_qualname), + PyUnicode_AsUTF8(code->co_filename), + code->co_firstlineno, + (long)(instr - (_Py_CODEUNIT *)code->co_code_adaptive), + trace_length); + return trace_length; } else { -#ifdef LLTRACE - if (lltrace >= 4) { - fprintf(stderr, - "No trace for %s (%s:%d) at offset %ld\n", - PyUnicode_AsUTF8(code->co_qualname), - PyUnicode_AsUTF8(code->co_filename), - code->co_firstlineno, - (long)(instr - (_Py_CODEUNIT *)code->co_code_adaptive)); - } -#endif + DPRINTF(4, + "No trace for %s (%s:%d) at offset %ld\n", + PyUnicode_AsUTF8(code->co_qualname), + PyUnicode_AsUTF8(code->co_filename), + code->co_firstlineno, + (long)(instr - (_Py_CODEUNIT *)code->co_code_adaptive)); } - return trace_length; + return 0; #undef ADD_TO_TRACE +#undef DPRINTF } static int diff --git a/Tools/cases_generator/generate_cases.py b/Tools/cases_generator/generate_cases.py index 38be980..657dfa9 100644 --- a/Tools/cases_generator/generate_cases.py +++ b/Tools/cases_generator/generate_cases.py @@ -308,8 +308,7 @@ class ActiveCacheEffect: FORBIDDEN_NAMES_IN_UOPS = ( - "resume_with_error", # Proxy for "goto", which isn't an IDENTIFIER - "unbound_local_error", + "resume_with_error", "kwnames", "next_instr", "oparg1", # Proxy for super-instructions like LOAD_FAST_LOAD_FAST @@ -401,20 +400,25 @@ class Instruction: def is_viable_uop(self) -> bool: """Whether this instruction is viable as a uop.""" if self.always_exits: + # print(f"Skipping {self.name} because it always exits") return False if self.instr_flags.HAS_ARG_FLAG: # If the instruction uses oparg, it cannot use any caches if self.active_caches: + # print(f"Skipping {self.name} because it uses oparg and caches") return False else: # If it doesn't use oparg, it can have one cache entry if len(self.active_caches) > 1: + # print(f"Skipping {self.name} because it has >1 cache entries") return False + res = True for forbidden in FORBIDDEN_NAMES_IN_UOPS: # TODO: Don't check in '#ifdef ENABLE_SPECIALIZATION' regions if variable_used(self.inst, forbidden): - return False - return True + # print(f"Skipping {self.name} because it uses {forbidden}") + res = False + return res def write(self, out: Formatter, tier: Tiers = TIER_ONE) -> None: """Write one instruction, sans prologue and epilogue.""" @@ -1323,7 +1327,7 @@ class Analyzer: self.out.emit(make_text(name, counter)) counter += 1 add("EXIT_TRACE") - add("SET_IP") + add("SAVE_IP") for instr in self.instrs.values(): if instr.kind == "op" and instr.is_viable_uop(): add(instr.name) |