mirror of
https://github.com/python/cpython
synced 2024-09-05 00:05:39 +00:00
GH-120619: Clean up RETURN_VALUE
instruction (GH-120624)
* Rename _POP_FRAME to _RETURN_VALUE as it returns a value as well as popping a frame. * Remove remaining _POP_FRAMEs
This commit is contained in:
parent
79e09e60d8
commit
274f844830
8
Include/internal/pycore_opcode_metadata.h
generated
8
Include/internal/pycore_opcode_metadata.h
generated
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@ -831,11 +831,11 @@ int _PyOpcode_num_pushed(int opcode, int oparg) {
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case RESUME_CHECK:
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return 0;
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case RETURN_CONST:
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return 0;
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return 1;
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case RETURN_GENERATOR:
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return 1;
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case RETURN_VALUE:
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return 0;
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return 1;
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case SEND:
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return 2;
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case SEND_GEN:
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@ -1346,9 +1346,9 @@ _PyOpcode_macro_expansion[256] = {
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[PUSH_EXC_INFO] = { .nuops = 1, .uops = { { _PUSH_EXC_INFO, 0, 0 } } },
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[PUSH_NULL] = { .nuops = 1, .uops = { { _PUSH_NULL, 0, 0 } } },
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[RESUME_CHECK] = { .nuops = 1, .uops = { { _RESUME_CHECK, 0, 0 } } },
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[RETURN_CONST] = { .nuops = 2, .uops = { { _LOAD_CONST, 0, 0 }, { _POP_FRAME, 0, 0 } } },
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[RETURN_CONST] = { .nuops = 2, .uops = { { _LOAD_CONST, 0, 0 }, { _RETURN_VALUE, 0, 0 } } },
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[RETURN_GENERATOR] = { .nuops = 1, .uops = { { _RETURN_GENERATOR, 0, 0 } } },
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[RETURN_VALUE] = { .nuops = 1, .uops = { { _POP_FRAME, 0, 0 } } },
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[RETURN_VALUE] = { .nuops = 1, .uops = { { _RETURN_VALUE, 0, 0 } } },
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[SETUP_ANNOTATIONS] = { .nuops = 1, .uops = { { _SETUP_ANNOTATIONS, 0, 0 } } },
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[SET_ADD] = { .nuops = 1, .uops = { { _SET_ADD, 0, 0 } } },
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[SET_FUNCTION_ATTRIBUTE] = { .nuops = 1, .uops = { { _SET_FUNCTION_ATTRIBUTE, 0, 0 } } },
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56
Include/internal/pycore_uop_ids.h
generated
56
Include/internal/pycore_uop_ids.h
generated
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@ -226,51 +226,51 @@ extern "C" {
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#define _MATCH_SEQUENCE MATCH_SEQUENCE
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#define _NOP NOP
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#define _POP_EXCEPT POP_EXCEPT
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#define _POP_FRAME 426
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#define _POP_JUMP_IF_FALSE 427
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#define _POP_JUMP_IF_TRUE 428
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#define _POP_JUMP_IF_FALSE 426
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#define _POP_JUMP_IF_TRUE 427
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#define _POP_TOP POP_TOP
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#define _POP_TOP_LOAD_CONST_INLINE_BORROW 429
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#define _POP_TOP_LOAD_CONST_INLINE_BORROW 428
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#define _PUSH_EXC_INFO PUSH_EXC_INFO
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#define _PUSH_FRAME 430
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#define _PUSH_FRAME 429
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#define _PUSH_NULL PUSH_NULL
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#define _PY_FRAME_GENERAL 431
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#define _REPLACE_WITH_TRUE 432
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#define _PY_FRAME_GENERAL 430
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#define _REPLACE_WITH_TRUE 431
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#define _RESUME_CHECK RESUME_CHECK
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#define _RETURN_GENERATOR RETURN_GENERATOR
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#define _SAVE_RETURN_OFFSET 433
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#define _SEND 434
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#define _RETURN_VALUE RETURN_VALUE
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#define _SAVE_RETURN_OFFSET 432
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#define _SEND 433
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#define _SEND_GEN SEND_GEN
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#define _SETUP_ANNOTATIONS SETUP_ANNOTATIONS
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#define _SET_ADD SET_ADD
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#define _SET_FUNCTION_ATTRIBUTE SET_FUNCTION_ATTRIBUTE
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#define _SET_UPDATE SET_UPDATE
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#define _START_EXECUTOR 435
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#define _STORE_ATTR 436
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#define _STORE_ATTR_INSTANCE_VALUE 437
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#define _STORE_ATTR_SLOT 438
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#define _STORE_ATTR_WITH_HINT 439
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#define _START_EXECUTOR 434
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#define _STORE_ATTR 435
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#define _STORE_ATTR_INSTANCE_VALUE 436
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#define _STORE_ATTR_SLOT 437
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#define _STORE_ATTR_WITH_HINT 438
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#define _STORE_DEREF STORE_DEREF
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#define _STORE_FAST 440
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#define _STORE_FAST_0 441
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#define _STORE_FAST_1 442
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#define _STORE_FAST_2 443
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#define _STORE_FAST_3 444
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#define _STORE_FAST_4 445
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#define _STORE_FAST_5 446
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#define _STORE_FAST_6 447
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#define _STORE_FAST_7 448
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#define _STORE_FAST 439
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#define _STORE_FAST_0 440
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#define _STORE_FAST_1 441
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#define _STORE_FAST_2 442
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#define _STORE_FAST_3 443
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#define _STORE_FAST_4 444
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#define _STORE_FAST_5 445
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#define _STORE_FAST_6 446
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#define _STORE_FAST_7 447
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#define _STORE_FAST_LOAD_FAST STORE_FAST_LOAD_FAST
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#define _STORE_FAST_STORE_FAST STORE_FAST_STORE_FAST
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#define _STORE_GLOBAL STORE_GLOBAL
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#define _STORE_NAME STORE_NAME
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#define _STORE_SLICE STORE_SLICE
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#define _STORE_SUBSCR 449
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#define _STORE_SUBSCR 448
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#define _STORE_SUBSCR_DICT STORE_SUBSCR_DICT
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#define _STORE_SUBSCR_LIST_INT STORE_SUBSCR_LIST_INT
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#define _SWAP SWAP
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#define _TIER2_RESUME_CHECK 450
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#define _TO_BOOL 451
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#define _TIER2_RESUME_CHECK 449
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#define _TO_BOOL 450
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#define _TO_BOOL_BOOL TO_BOOL_BOOL
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#define _TO_BOOL_INT TO_BOOL_INT
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#define _TO_BOOL_LIST TO_BOOL_LIST
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@ -280,13 +280,13 @@ extern "C" {
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#define _UNARY_NEGATIVE UNARY_NEGATIVE
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#define _UNARY_NOT UNARY_NOT
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#define _UNPACK_EX UNPACK_EX
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#define _UNPACK_SEQUENCE 452
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#define _UNPACK_SEQUENCE 451
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#define _UNPACK_SEQUENCE_LIST UNPACK_SEQUENCE_LIST
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#define _UNPACK_SEQUENCE_TUPLE UNPACK_SEQUENCE_TUPLE
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#define _UNPACK_SEQUENCE_TWO_TUPLE UNPACK_SEQUENCE_TWO_TUPLE
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#define _WITH_EXCEPT_START WITH_EXCEPT_START
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#define _YIELD_VALUE YIELD_VALUE
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#define MAX_UOP_ID 452
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#define MAX_UOP_ID 451
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#ifdef __cplusplus
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}
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6
Include/internal/pycore_uop_metadata.h
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6
Include/internal/pycore_uop_metadata.h
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@ -87,7 +87,7 @@ const uint16_t _PyUop_Flags[MAX_UOP_ID+1] = {
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[_DELETE_SUBSCR] = HAS_ERROR_FLAG | HAS_ESCAPES_FLAG,
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[_CALL_INTRINSIC_1] = HAS_ARG_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG,
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[_CALL_INTRINSIC_2] = HAS_ARG_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG,
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[_POP_FRAME] = 0,
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[_RETURN_VALUE] = 0,
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[_GET_AITER] = HAS_ERROR_FLAG | HAS_ESCAPES_FLAG,
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[_GET_ANEXT] = HAS_ERROR_FLAG | HAS_ERROR_NO_POP_FLAG | HAS_ESCAPES_FLAG,
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[_GET_AWAITABLE] = HAS_ARG_FLAG | HAS_ERROR_FLAG | HAS_ESCAPES_FLAG,
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@ -453,7 +453,6 @@ const char *const _PyOpcode_uop_name[MAX_UOP_ID+1] = {
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[_MATCH_SEQUENCE] = "_MATCH_SEQUENCE",
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[_NOP] = "_NOP",
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[_POP_EXCEPT] = "_POP_EXCEPT",
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[_POP_FRAME] = "_POP_FRAME",
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[_POP_TOP] = "_POP_TOP",
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[_POP_TOP_LOAD_CONST_INLINE_BORROW] = "_POP_TOP_LOAD_CONST_INLINE_BORROW",
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[_PUSH_EXC_INFO] = "_PUSH_EXC_INFO",
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@ -463,6 +462,7 @@ const char *const _PyOpcode_uop_name[MAX_UOP_ID+1] = {
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[_REPLACE_WITH_TRUE] = "_REPLACE_WITH_TRUE",
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[_RESUME_CHECK] = "_RESUME_CHECK",
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[_RETURN_GENERATOR] = "_RETURN_GENERATOR",
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[_RETURN_VALUE] = "_RETURN_VALUE",
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[_SAVE_RETURN_OFFSET] = "_SAVE_RETURN_OFFSET",
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[_SETUP_ANNOTATIONS] = "_SETUP_ANNOTATIONS",
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[_SET_ADD] = "_SET_ADD",
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@ -650,7 +650,7 @@ int _PyUop_num_popped(int opcode, int oparg)
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return 1;
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case _CALL_INTRINSIC_2:
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return 2;
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case _POP_FRAME:
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case _RETURN_VALUE:
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return 1;
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case _GET_AITER:
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return 1;
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@ -1024,7 +1024,7 @@ def testfunc(n):
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uops_and_operands = [(opcode, operand) for opcode, _, _, operand in ex]
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uop_names = [uop[0] for uop in uops_and_operands]
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self.assertEqual(uop_names.count("_PUSH_FRAME"), 2)
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self.assertEqual(uop_names.count("_POP_FRAME"), 2)
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self.assertEqual(uop_names.count("_RETURN_VALUE"), 2)
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self.assertEqual(uop_names.count("_CHECK_STACK_SPACE"), 0)
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self.assertEqual(uop_names.count("_CHECK_STACK_SPACE_OPERAND"), 1)
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# sequential calls: max(12, 13) == 13
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@ -1051,7 +1051,7 @@ def testfunc(n):
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uops_and_operands = [(opcode, operand) for opcode, _, _, operand in ex]
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uop_names = [uop[0] for uop in uops_and_operands]
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self.assertEqual(uop_names.count("_PUSH_FRAME"), 2)
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self.assertEqual(uop_names.count("_POP_FRAME"), 2)
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self.assertEqual(uop_names.count("_RETURN_VALUE"), 2)
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self.assertEqual(uop_names.count("_CHECK_STACK_SPACE"), 0)
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self.assertEqual(uop_names.count("_CHECK_STACK_SPACE_OPERAND"), 1)
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# nested calls: 15 + 12 == 27
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@ -1086,7 +1086,7 @@ def testfunc(n):
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uops_and_operands = [(opcode, operand) for opcode, _, _, operand in ex]
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uop_names = [uop[0] for uop in uops_and_operands]
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self.assertEqual(uop_names.count("_PUSH_FRAME"), 4)
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self.assertEqual(uop_names.count("_POP_FRAME"), 4)
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self.assertEqual(uop_names.count("_RETURN_VALUE"), 4)
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self.assertEqual(uop_names.count("_CHECK_STACK_SPACE"), 0)
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self.assertEqual(uop_names.count("_CHECK_STACK_SPACE_OPERAND"), 1)
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# max(12, 18 + max(12, 13)) == 31
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@ -1122,7 +1122,7 @@ def testfunc(n):
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uops_and_operands = [(opcode, operand) for opcode, _, _, operand in ex]
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uop_names = [uop[0] for uop in uops_and_operands]
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self.assertEqual(uop_names.count("_PUSH_FRAME"), 4)
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self.assertEqual(uop_names.count("_POP_FRAME"), 4)
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self.assertEqual(uop_names.count("_RETURN_VALUE"), 4)
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self.assertEqual(uop_names.count("_CHECK_STACK_SPACE"), 0)
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self.assertEqual(uop_names.count("_CHECK_STACK_SPACE_OPERAND"), 1)
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# max(18 + max(12, 13), 12) == 31
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@ -1166,7 +1166,7 @@ def testfunc(n):
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uops_and_operands = [(opcode, operand) for opcode, _, _, operand in ex]
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uop_names = [uop[0] for uop in uops_and_operands]
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self.assertEqual(uop_names.count("_PUSH_FRAME"), 15)
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self.assertEqual(uop_names.count("_POP_FRAME"), 15)
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self.assertEqual(uop_names.count("_RETURN_VALUE"), 15)
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self.assertEqual(uop_names.count("_CHECK_STACK_SPACE"), 0)
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self.assertEqual(uop_names.count("_CHECK_STACK_SPACE_OPERAND"), 1)
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@ -1260,7 +1260,7 @@ def testfunc(n):
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uops_and_operands = [(opcode, operand) for opcode, _, _, operand in ex]
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uop_names = [uop[0] for uop in uops_and_operands]
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self.assertEqual(uop_names.count("_PUSH_FRAME"), 2)
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self.assertEqual(uop_names.count("_POP_FRAME"), 0)
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self.assertEqual(uop_names.count("_RETURN_VALUE"), 0)
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self.assertEqual(uop_names.count("_CHECK_STACK_SPACE"), 1)
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self.assertEqual(uop_names.count("_CHECK_STACK_SPACE_OPERAND"), 1)
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largest_stack = _testinternalcapi.get_co_framesize(dummy15.__code__)
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@ -827,7 +827,7 @@ dummy_func(
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// We definitely pop the return value off the stack on entry.
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// We also push it onto the stack on exit, but that's a
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// different frame, and it's accounted for by _PUSH_FRAME.
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op(_POP_FRAME, (retval --)) {
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inst(RETURN_VALUE, (retval -- res)) {
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#if TIER_ONE
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assert(frame != &entry_frame);
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#endif
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@ -839,15 +839,12 @@ dummy_func(
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_PyInterpreterFrame *dying = frame;
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frame = tstate->current_frame = dying->previous;
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_PyEval_FrameClearAndPop(tstate, dying);
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_PyFrame_StackPush(frame, retval);
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LOAD_SP();
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LOAD_IP(frame->return_offset);
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res = retval;
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LLTRACE_RESUME_FRAME();
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}
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macro(RETURN_VALUE) =
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_POP_FRAME;
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inst(INSTRUMENTED_RETURN_VALUE, (retval --)) {
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int err = _Py_call_instrumentation_arg(
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tstate, PY_MONITORING_EVENT_PY_RETURN,
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@ -869,7 +866,7 @@ dummy_func(
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macro(RETURN_CONST) =
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LOAD_CONST +
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_POP_FRAME;
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RETURN_VALUE;
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inst(INSTRUMENTED_RETURN_CONST, (--)) {
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PyObject *retval = GETITEM(FRAME_CO_CONSTS, oparg);
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7
Python/executor_cases.c.h
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7
Python/executor_cases.c.h
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@ -971,8 +971,9 @@
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break;
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}
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case _POP_FRAME: {
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case _RETURN_VALUE: {
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PyObject *retval;
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PyObject *res;
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retval = stack_pointer[-1];
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#if TIER_ONE
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assert(frame != &entry_frame);
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@ -985,10 +986,12 @@
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_PyInterpreterFrame *dying = frame;
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frame = tstate->current_frame = dying->previous;
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_PyEval_FrameClearAndPop(tstate, dying);
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_PyFrame_StackPush(frame, retval);
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LOAD_SP();
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LOAD_IP(frame->return_offset);
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res = retval;
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LLTRACE_RESUME_FRAME();
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stack_pointer[0] = res;
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stack_pointer += 1;
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break;
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}
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12
Python/generated_cases.c.h
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12
Python/generated_cases.c.h
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@ -5202,12 +5202,13 @@
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INSTRUCTION_STATS(RETURN_CONST);
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PyObject *value;
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PyObject *retval;
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PyObject *res;
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// _LOAD_CONST
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{
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value = GETITEM(FRAME_CO_CONSTS, oparg);
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Py_INCREF(value);
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}
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// _POP_FRAME
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// _RETURN_VALUE
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retval = value;
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{
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#if TIER_ONE
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@ -5220,11 +5221,13 @@
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_PyInterpreterFrame *dying = frame;
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frame = tstate->current_frame = dying->previous;
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_PyEval_FrameClearAndPop(tstate, dying);
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_PyFrame_StackPush(frame, retval);
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LOAD_SP();
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LOAD_IP(frame->return_offset);
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res = retval;
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LLTRACE_RESUME_FRAME();
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}
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stack_pointer[0] = res;
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stack_pointer += 1;
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DISPATCH();
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}
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@ -5265,6 +5268,7 @@
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next_instr += 1;
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INSTRUCTION_STATS(RETURN_VALUE);
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PyObject *retval;
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PyObject *res;
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retval = stack_pointer[-1];
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#if TIER_ONE
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assert(frame != &entry_frame);
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@ -5277,10 +5281,12 @@
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_PyInterpreterFrame *dying = frame;
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frame = tstate->current_frame = dying->previous;
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_PyEval_FrameClearAndPop(tstate, dying);
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_PyFrame_StackPush(frame, retval);
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LOAD_SP();
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LOAD_IP(frame->return_offset);
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res = retval;
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LLTRACE_RESUME_FRAME();
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stack_pointer[0] = res;
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stack_pointer += 1;
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DISPATCH();
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}
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@ -537,7 +537,7 @@ add_to_trace(
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// Reserve space for N uops, plus 3 for _SET_IP, _CHECK_VALIDITY and _EXIT_TRACE
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#define RESERVE(needed) RESERVE_RAW((needed) + 3, _PyUOpName(opcode))
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// Trace stack operations (used by _PUSH_FRAME, _POP_FRAME)
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// Trace stack operations (used by _PUSH_FRAME, _RETURN_VALUE)
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#define TRACE_STACK_PUSH() \
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if (trace_stack_depth >= TRACE_STACK_SIZE) { \
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DPRINTF(2, "Trace stack overflow\n"); \
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@ -748,10 +748,10 @@ translate_bytecode_to_trace(
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int nuops = expansion->nuops;
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RESERVE(nuops + 1); /* One extra for exit */
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int16_t last_op = expansion->uops[nuops-1].uop;
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if (last_op == _POP_FRAME || last_op == _RETURN_GENERATOR || last_op == _YIELD_VALUE) {
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if (last_op == _RETURN_VALUE || last_op == _RETURN_GENERATOR || last_op == _YIELD_VALUE) {
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// Check for trace stack underflow now:
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// We can't bail e.g. in the middle of
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// LOAD_CONST + _POP_FRAME.
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// LOAD_CONST + _RETURN_VALUE.
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if (trace_stack_depth == 0) {
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DPRINTF(2, "Trace stack underflow\n");
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OPT_STAT_INC(trace_stack_underflow);
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@ -810,7 +810,7 @@ translate_bytecode_to_trace(
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Py_FatalError("garbled expansion");
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}
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if (uop == _POP_FRAME || uop == _RETURN_GENERATOR || uop == _YIELD_VALUE) {
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if (uop == _RETURN_VALUE || uop == _RETURN_GENERATOR || uop == _YIELD_VALUE) {
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TRACE_STACK_POP();
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/* Set the operand to the function or code object returned to,
|
||||
* to assist optimization passes. (See _PUSH_FRAME below.)
|
||||
|
|
|
@ -265,7 +265,7 @@ remove_globals(_PyInterpreterFrame *frame, _PyUOpInstruction *buffer,
|
|||
}
|
||||
break;
|
||||
}
|
||||
case _POP_FRAME:
|
||||
case _RETURN_VALUE:
|
||||
{
|
||||
builtins_watched >>= 1;
|
||||
globals_watched >>= 1;
|
||||
|
@ -365,13 +365,13 @@ eliminate_pop_guard(_PyUOpInstruction *this_instr, bool exit)
|
|||
}
|
||||
}
|
||||
|
||||
/* _PUSH_FRAME/_POP_FRAME's operand can be 0, a PyFunctionObject *, or a
|
||||
/* _PUSH_FRAME/_RETURN_VALUE's operand can be 0, a PyFunctionObject *, or a
|
||||
* PyCodeObject *. Retrieve the code object if possible.
|
||||
*/
|
||||
static PyCodeObject *
|
||||
get_code(_PyUOpInstruction *op)
|
||||
{
|
||||
assert(op->opcode == _PUSH_FRAME || op->opcode == _POP_FRAME || op->opcode == _RETURN_GENERATOR);
|
||||
assert(op->opcode == _PUSH_FRAME || op->opcode == _RETURN_VALUE || op->opcode == _RETURN_GENERATOR);
|
||||
PyCodeObject *co = NULL;
|
||||
uint64_t operand = op->operand;
|
||||
if (operand == 0) {
|
||||
|
|
|
@ -606,7 +606,7 @@ dummy_func(void) {
|
|||
ctx->done = true;
|
||||
}
|
||||
|
||||
op(_POP_FRAME, (retval -- res)) {
|
||||
op(_RETURN_VALUE, (retval -- res)) {
|
||||
SYNC_SP();
|
||||
ctx->frame->stack_pointer = stack_pointer;
|
||||
frame_pop(ctx);
|
||||
|
|
2
Python/optimizer_cases.c.h
generated
2
Python/optimizer_cases.c.h
generated
|
@ -558,7 +558,7 @@
|
|||
break;
|
||||
}
|
||||
|
||||
case _POP_FRAME: {
|
||||
case _RETURN_VALUE: {
|
||||
_Py_UopsSymbol *retval;
|
||||
_Py_UopsSymbol *res;
|
||||
retval = stack_pointer[-1];
|
||||
|
|
Loading…
Reference in a new issue