From 405f648db7c44b07348582b5101d4716e0ce5ac3 Mon Sep 17 00:00:00 2001 From: Yao Zuo Date: Tue, 11 Jun 2019 20:46:09 -0700 Subject: [PATCH] bpo-32625: Updated documentation for EXTENDED_ARG. (GH-13985) Python 3.6 changed the size of bytecode instruction, while the documentation for `EXTENDED_ARG` was not updated accordingly. --- Doc/library/dis.rst | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/Doc/library/dis.rst b/Doc/library/dis.rst index 2a3ffb5e82..5b79be6266 100644 --- a/Doc/library/dis.rst +++ b/Doc/library/dis.rst @@ -1219,10 +1219,10 @@ All of the following opcodes use their arguments. .. opcode:: EXTENDED_ARG (ext) - Prefixes any opcode which has an argument too big to fit into the default two - bytes. *ext* holds two additional bytes which, taken together with the - subsequent opcode's argument, comprise a four-byte argument, *ext* being the - two most-significant bytes. + Prefixes any opcode which has an argument too big to fit into the default one + byte. *ext* holds an additional byte which act as higher bits in the argument. + For each opcode, at most three prefixal ``EXTENDED_ARG`` are allowed, forming + an argument from two-byte to four-byte. .. opcode:: FORMAT_VALUE (flags) -- 2.40.0