backport computed gotos (#4753)

1 files changed, 258 insertions, 0 deletions

diff --git a/Python/opcode_targets.h b/Python/opcode_targets.h
new file mode 100644
index 0000000..95eb127
--- /dev/null
+++ b/Python/opcode_targets.h
@@ -0,0 +1,258 @@
+static void *opcode_targets[256] = {
+    &&_unknown_opcode,
+    &&TARGET_POP_TOP,
+    &&TARGET_ROT_TWO,
+    &&TARGET_ROT_THREE,
+    &&TARGET_DUP_TOP,
+    &&TARGET_ROT_FOUR,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&TARGET_NOP,
+    &&TARGET_UNARY_POSITIVE,
+    &&TARGET_UNARY_NEGATIVE,
+    &&TARGET_UNARY_NOT,
+    &&TARGET_UNARY_CONVERT,
+    &&_unknown_opcode,
+    &&TARGET_UNARY_INVERT,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&TARGET_BINARY_POWER,
+    &&TARGET_BINARY_MULTIPLY,
+    &&TARGET_BINARY_DIVIDE,
+    &&TARGET_BINARY_MODULO,
+    &&TARGET_BINARY_ADD,
+    &&TARGET_BINARY_SUBTRACT,
+    &&TARGET_BINARY_SUBSCR,
+    &&TARGET_BINARY_FLOOR_DIVIDE,
+    &&TARGET_BINARY_TRUE_DIVIDE,
+    &&TARGET_INPLACE_FLOOR_DIVIDE,
+    &&TARGET_INPLACE_TRUE_DIVIDE,
+    &&TARGET_SLICE ,
+    &&TARGET_SLICE_1,
+    &&TARGET_SLICE_2,
+    &&TARGET_SLICE_3,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&TARGET_STORE_SLICE ,
+    &&TARGET_STORE_SLICE_1,
+    &&TARGET_STORE_SLICE_2,
+    &&TARGET_STORE_SLICE_3,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&TARGET_DELETE_SLICE ,
+    &&TARGET_DELETE_SLICE_1,
+    &&TARGET_DELETE_SLICE_2,
+    &&TARGET_DELETE_SLICE_3,
+    &&TARGET_STORE_MAP,
+    &&TARGET_INPLACE_ADD,
+    &&TARGET_INPLACE_SUBTRACT,
+    &&TARGET_INPLACE_MULTIPLY,
+    &&TARGET_INPLACE_DIVIDE,
+    &&TARGET_INPLACE_MODULO,
+    &&TARGET_STORE_SUBSCR,
+    &&TARGET_DELETE_SUBSCR,
+    &&TARGET_BINARY_LSHIFT,
+    &&TARGET_BINARY_RSHIFT,
+    &&TARGET_BINARY_AND,
+    &&TARGET_BINARY_XOR,
+    &&TARGET_BINARY_OR,
+    &&TARGET_INPLACE_POWER,
+    &&TARGET_GET_ITER,
+    &&_unknown_opcode,
+    &&TARGET_PRINT_EXPR,
+    &&TARGET_PRINT_ITEM,
+    &&TARGET_PRINT_NEWLINE,
+    &&TARGET_PRINT_ITEM_TO,
+    &&TARGET_PRINT_NEWLINE_TO,
+    &&TARGET_INPLACE_LSHIFT,
+    &&TARGET_INPLACE_RSHIFT,
+    &&TARGET_INPLACE_AND,
+    &&TARGET_INPLACE_XOR,
+    &&TARGET_INPLACE_OR,
+    &&TARGET_BREAK_LOOP,
+    &&TARGET_WITH_CLEANUP,
+    &&TARGET_LOAD_LOCALS,
+    &&TARGET_RETURN_VALUE,
+    &&TARGET_IMPORT_STAR,
+    &&TARGET_EXEC_STMT,
+    &&TARGET_YIELD_VALUE,
+    &&TARGET_POP_BLOCK,
+    &&TARGET_END_FINALLY,
+    &&TARGET_BUILD_CLASS,
+    &&TARGET_STORE_NAME,
+    &&TARGET_DELETE_NAME,
+    &&TARGET_UNPACK_SEQUENCE,
+    &&TARGET_FOR_ITER,
+    &&TARGET_LIST_APPEND,
+    &&TARGET_STORE_ATTR,
+    &&TARGET_DELETE_ATTR,
+    &&TARGET_STORE_GLOBAL,
+    &&TARGET_DELETE_GLOBAL,
+    &&TARGET_DUP_TOPX,
+    &&TARGET_LOAD_CONST,
+    &&TARGET_LOAD_NAME,
+    &&TARGET_BUILD_TUPLE,
+    &&TARGET_BUILD_LIST,
+    &&TARGET_BUILD_SET,
+    &&TARGET_BUILD_MAP,
+    &&TARGET_LOAD_ATTR,
+    &&TARGET_COMPARE_OP,
+    &&TARGET_IMPORT_NAME,
+    &&TARGET_IMPORT_FROM,
+    &&TARGET_JUMP_FORWARD,
+    &&TARGET_JUMP_IF_FALSE_OR_POP,
+    &&TARGET_JUMP_IF_TRUE_OR_POP,
+    &&TARGET_JUMP_ABSOLUTE,
+    &&TARGET_POP_JUMP_IF_FALSE,
+    &&TARGET_POP_JUMP_IF_TRUE,
+    &&TARGET_LOAD_GLOBAL,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&TARGET_CONTINUE_LOOP,
+    &&TARGET_SETUP_LOOP,
+    &&TARGET_SETUP_EXCEPT,
+    &&TARGET_SETUP_FINALLY,
+    &&_unknown_opcode,
+    &&TARGET_LOAD_FAST,
+    &&TARGET_STORE_FAST,
+    &&TARGET_DELETE_FAST,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&TARGET_RAISE_VARARGS,
+    &&TARGET_CALL_FUNCTION,
+    &&TARGET_MAKE_FUNCTION,
+    &&TARGET_BUILD_SLICE,
+    &&TARGET_MAKE_CLOSURE,
+    &&TARGET_LOAD_CLOSURE,
+    &&TARGET_LOAD_DEREF,
+    &&TARGET_STORE_DEREF,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&TARGET_CALL_FUNCTION_VAR,
+    &&TARGET_CALL_FUNCTION_KW,
+    &&TARGET_CALL_FUNCTION_VAR_KW,
+    &&TARGET_SETUP_WITH,
+    &&_unknown_opcode,
+    &&TARGET_EXTENDED_ARG,
+    &&TARGET_SET_ADD,
+    &&TARGET_MAP_ADD,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode,
+    &&_unknown_opcode
+};