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GH-100923: Embed jump mask in COMPARE_OP oparg (GH-100924)

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Mark Shannon 2023-01-11 20:40:43 +00:00 • committed by GitHub
parent 61f12b8ff7
commit 6e4e14d98f
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12 changed files with 200 additions and 177 deletions
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Python/compile.c
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@ -2887,7 +2887,9 @@ static int compiler_addcompare(struct compiler *c, location loc,
default:
Py_UNREACHABLE();
}
ADDOP_I(c, loc, COMPARE_OP, cmp);
/* cmp goes in top bits of the oparg, while the low bits are used by quickened
* versions of this opcode to store the comparison mask. */
ADDOP_I(c, loc, COMPARE_OP, cmp << 4);
return SUCCESS;
}