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bpo-27129: Use instruction offsets, not byte offsets, in bytecode and internally. (GH-25069)

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* Use instruction offset, rather than bytecode offset. Streamlines interpreter dispatch a bit, and removes most EXTENDED_ARGs for jumps.

* Change some uses of PyCode_Addr2Line to PyFrame_GetLineNumber
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Mark Shannon 2021-04-01 16:00:31 +01:00 • committed by GitHub
parent 2ac0515027
commit fcb55c0037
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14 changed files with 4568 additions and 4569 deletions
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Python/compile.c
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@ -6398,7 +6398,6 @@ assemble_jump_offsets(struct assembler *a, struct compiler *c)
if (is_relative_jump(instr)) {
instr->i_oparg -= bsize;
}
instr->i_oparg *= sizeof(_Py_CODEUNIT);
if (instrsize(instr->i_oparg) != isize) {
extended_arg_recompile = 1;
}