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Merged
iritkatriel merged 13 commits into from
Oct 24, 2022
Merged

gh-95913: Edit, expand & format Bytecode sect in 3.11 WhatsNew #98559

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48a18d5
Fix Sphinx syntax in bytecode section and tweak phrasing
CAM-Gerlach Oct 20, 2022
4a3d830
Use clear, consistant phrasing on all Bytecode entries
CAM-Gerlach Oct 20, 2022
611a628
Re-order opcode changes to Added, Replaced, Removed, Changed
CAM-Gerlach Oct 20, 2022
68bef2a
Add missing added and removed opcodes to section
CAM-Gerlach Oct 21, 2022
f34698c
Add table with all added/replace/removed opcodes
CAM-Gerlach Oct 22, 2022
650b4e4
Merge opcode information from list into tables
CAM-Gerlach Oct 22, 2022
87e06bb
Add exception reprisentation change to Changed Opcodes
CAM-Gerlach Oct 23, 2022
9c165b8
Unify & simplify added and replaced tables & entries
CAM-Gerlach Oct 23, 2022
1e0d7cb
Move added opcodes out of table into a bulleted list instead
CAM-Gerlach Oct 23, 2022
a0b90d8
Re-order Replaced Opcodes table by replaced opcode
CAM-Gerlach Oct 23, 2022
4ed6cfb
Consolidate changed and removed sections to be more concise
CAM-Gerlach Oct 23, 2022
7c94ab0
Consolidate jump opcode changes further
CAM-Gerlach Oct 23, 2022
c1a7743
CHECK_EG_MATCH is new
iritkatriel Oct 24, 2022
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Add table with all added/replace/removed opcodes
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@CAM-Gerlach
CAM-Gerlach committed Oct 22, 2022
commit f34698cd61b658dd8c13b4d7d3f008dde38cfc19
53 changes: 53 additions & 0 deletions Doc/whatsnew/3.11.rst
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Expand Up @@ -1407,6 +1407,59 @@ contributors are volunteers from the community.
CPython bytecode changes
========================

+-------------------------------------------+-------------------------------------------+
| Old Opcode(s) | New Opcode(s) |
+===============+===========================+===========================================+
| | | :opcode:`ASYNC_GEN_WRAP` |
| | | :opcode:`CACHE` |
| | | :opcode:`COPY_FREE_VARS` |
| | | :opcode:`JUMP_BACKWARD_NO_INTERRUPT` |
| | | :opcode:`MAKE_CELL` |
| | | :opcode:`POP_JUMP_BACKWARD_IF_NONE` |
| | | :opcode:`POP_JUMP_BACKWARD_IF_NOT_NONE` |
| | | :opcode:`POP_JUMP_FORWARD_IF_NOT_NONE` |
| | | :opcode:`POP_JUMP_FORWARD_IF_NONE` |
| | | :opcode:`PREP_RERAISE_STAR` |
| | | :opcode:`PUSH_EXC_INFO` |
| | | :opcode:`RESUME` |
| | | :opcode:`RETURN_GENERATOR` |
| | | :opcode:`SEND` |
+-------------------------------------------+-------------------------------------------+
| | :opcode:`!BINARY_*` | :opcode:`BINARY_OP` |
| | :opcode:`!INPLACE_*` | |
+-------------------------------------------+-------------------------------------------+
| | :opcode:`!CALL_FUNCTION` | | :opcode:`CALL` |
| | :opcode:`!CALL_FUNCTION_KW` | | :opcode:`KW_NAMES` |
| | :opcode:`!CALL_METHOD` | | :opcode:`PRECALL` |
| | | :opcode:`PUSH_NULL` |
+-------------------------------------------+-------------------------------------------+
| | :opcode:`!DUP_TOP` | | :opcode:`COPY` |
| | :opcode:`!DUP_TOP_TWO` | | :opcode:`SWAP` |
| | :opcode:`!ROT_TWO` | |
| | :opcode:`!ROT_THREE` | |
| | :opcode:`!ROT_FOUR` | |
| | :opcode:`!ROT_N` | |
+-------------------------------------------+-------------------------------------------+
| :opcode:`!JUMP_ABSOLUTE` | :opcode:`JUMP_BACKWARD` |
+-------------------------------------------+-------------------------------------------+
| :opcode:`!JUMP_IF_NOT_EXC_MATCH` | :opcode:`CHECK_EXC_MATCH` |
+-------------------------------------------+-------------------------------------------+
| :opcode:`!JUMP_IF_NOT_EG_MATCH` | :opcode:`CHECK_EG_MATCH` |
+-------------------------------------------+-------------------------------------------+
| :opcode:`!POP_JUMP_IF_FALSE` | | :opcode:`POP_JUMP_BACKWARD_IF_FALSE` |
| | | :opcode:`POP_JUMP_FORWARD_IF_FALSE` |
+-------------------------------------------+-------------------------------------------+
| :opcode:`!POP_JUMP_IF_TRUE` | | :opcode:`POP_JUMP_BACKWARD_IF_TRUE` |
| | | :opcode:`POP_JUMP_FORWARD_IF_TRUE` |
+-------------------------------------------+-------------------------------------------+
| | :opcode:`!COPY_DICT_WITHOUT_KEYS` | |
| | :opcode:`!GEN_START` | |
| | :opcode:`!POP_BLOCK` | |
| | :opcode:`!SETUP_FINALLY` | |
| | :opcode:`!YIELD_FROM` | |
+-------------------------------------------+-------------------------------------------+


* The bytecode now contains inline cache entries, which take the form of
:opcode:`CACHE` instructions. Many opcodes expect to be followed by an exact
number of caches, and instruct the interpreter to skip over them at runtime.
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