8000 gh-98831: Use DECREF_INPUTS() more by gvanrossum · Pull Request #102409 · python/cpython · GitHub
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gh-98831: Use DECREF_INPUTS() more #102409

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Merged
merged 3 commits into from
Mar 13, 2023
Merged

gh-98831: Use DECREF_INPUTS() more #102409

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778ca94
Use DECREF_INPUTS() more
gvanrossum Mar 4, 2023
68077f1
Whoops, cannot use DECREF_INPUTS() in some cases
gvanrossum Mar 4, 2023
12e85cf
Don't mess with END_FOR
gvanrossum Mar 13, 2023
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Don't mess with END_FOR
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@gvanrossum
gvanrossum committed Mar 13, 2023
commit 12e85cfc6a114d40d04528c6305efb78652ef12c
4 changes: 1 addition & 3 deletions Python/bytecodes.c
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Original file line number Diff line number Diff line change
Expand Up @@ -135,9 +135,7 @@ dummy_func(
res = NULL;
}

inst(END_FOR, (second, first --)) {
DECREF_INPUTS();
}
macro(END_FOR) = POP_TOP + POP_TOP;

inst(UNARY_NEGATIVE, (value -- res)) {
res = PyNumber_Negative(value);
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14 changes: 10 additions & 4 deletions Python/generated_cases.c.h
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6 changes: 3 additions & 3 deletions Python/opcode_metadata.h
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Expand Up @@ -38,7 +38,7 @@ _PyOpcode_num_popped(int opcode, int oparg, bool jump) {
case PUSH_NULL:
return 0;
case END_FOR:
return 2;
return 1+1;
case UNARY_NEGATIVE:
return 1;
case UNARY_NOT:
Expand Down Expand Up @@ -390,7 +390,7 @@ _PyOpcode_num_pushed(int opcode, int oparg, bool jump) {
case PUSH_NULL:
return 1;
case END_FOR:
return 0;
return 0+0;
case UNARY_NEGATIVE:
return 1;
case UNARY_NOT:
Expand Down Expand Up @@ -735,7 +735,7 @@ const struct opcode_metadata _PyOpcode_opcode_metadata[256] = {
[LOAD_CONST__LOAD_FAST] = { DIR_NONE, DIR_NONE, DIR_NONE, true, INSTR_FMT_IBIB },
[POP_TOP] = { DIR_NONE, DIR_NONE, DIR_NONE, true, INSTR_FMT_IX },
[PUSH_NULL] = { DIR_NONE, DIR_NONE, DIR_NONE, true, INSTR_FMT_IX },
[END_FOR] = { DIR_NONE, DIR_NONE, DIR_NONE, true, INSTR_FMT_IX },
[END_FOR] = { DIR_NONE, DIR_NONE, DIR_NONE, true, INSTR_FMT_IB },
[UNARY_NEGATIVE] = { DIR_NONE, DIR_NONE, DIR_NONE, true, INSTR_FMT_IX },
[UNARY_NOT] = { DIR_NONE, DIR_NONE, DIR_NONE, true, INSTR_FMT_IX },
[UNARY_INVERT] = { DIR_NONE, DIR_NONE, DIR_NONE, true, INSTR_FMT_IX },
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