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bpo-46009: Remove GEN_START (GH-30367)

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Brandt Bucher 2022-01-04 11:38:32 -08:00 • committed by GitHub
parent f404e26d74
commit 31e43cbe5f
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10 changed files with 20 additions and 47 deletions
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21
Python/compile.c
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@ -1208,8 +1208,6 @@ stack_effect(int opcode, int oparg, int jump)
return 1;
case LIST_TO_TUPLE:
return 0;
case GEN_START:
return -1;
case LIST_EXTEND:
case SET_UPDATE:
case DICT_MERGE:
@ -8028,27 +8026,16 @@ insert_prefix_instructions(struct compiler *c, basicblock *entryblock,
/* Add the generator prefix instructions. */
if (flags & (CO_GENERATOR | CO_COROUTINE | CO_ASYNC_GENERATOR)) {
int kind;
if (flags & CO_COROUTINE) {
kind = 1;
}
else if (flags & CO_ASYNC_GENERATOR) {
kind = 2;
}
else {
kind = 0;
}
struct instr gen_start = {
.i_opcode = GEN_START,
.i_oparg = kind,
struct instr pop_top = {
.i_opcode = POP_TOP,
.i_oparg = 0,
.i_lineno = -1,
.i_col_offset = -1,
.i_end_lineno = -1,
.i_end_col_offset = -1,
.i_target = NULL,
};
if (insert_instruction(entryblock, 0, &gen_start) < 0) {
if (insert_instruction(entryblock, 0, &pop_top) < 0) {
return -1;
}
}