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1171 commits

Author SHA1 Message Date
Irit Katriel
80b714835d
gh-87092: Expose assembler to unit tests (#103988) 2023-05-01 22:29:30 +01:00
Irit Katriel
fbf3596c3e
gh-87092: change assembler to use instruction sequence instead of CFG (#103933) 2023-04-29 12:06:04 +01:00
Carl Meyer
0dc8b50d33
gh-87729: add LOAD_SUPER_ATTR instruction for faster super() (#103497) 
This speeds up `super()` (by around 85%, for a simple one-level
`super().meth()` microbenchmark) by avoiding allocation of a new
single-use `super()` object on each use.
 2023-04-24 22:22:14 +00:00
Shantanu
ae25855045
gh-103492: Clarify SyntaxWarning with literal comparison (#103493) 2023-04-24 15:42:57 -06:00
Irit Katriel
1c01f8d797
gh-101517: fix line number propagation in code generated for except* (#103550) 2023-04-24 21:58:51 +01:00
Irit Katriel
6751a4af95
gh-87092: fix a few cases of incorrect error handling in compiler (#103456) 
gh-87092: fix a few cases of incorrect error handling
 2023-04-24 19:30:49 +01:00
Mark Shannon
411b169281
GH-103082: Implementation of PEP 669: Low Impact Monitoring for CPython (GH-103083) 
* The majority of the monitoring code is in instrumentation.c

* The new instrumentation bytecodes are in bytecodes.c

* legacy_tracing.c adapts the new API to the old sys.setrace and sys.setprofile APIs
 2023-04-12 12:04:55 +01:00
Irit Katriel
9db2db4fa4
gh-87092: fix refleak in peepholer test harness (#103448) 2023-04-11 21:08:29 +01:00
Irit Katriel
33822d037a
gh-87092: move assembler related code from compile.c to assemble.c (#103277) 2023-04-11 11:15:09 +01:00
Irit Katriel
80163e17d3
gh-87092: move CFG related code from compile.c to flowgraph.c (#103021) 2023-03-31 18:17:59 +01:00
Brandt Bucher
0444ae2487
GH-100982: Break up COMPARE_AND_BRANCH (GH-102801) 2023-03-23 15:25:09 -07:00
Irit Katriel
3468c768ce
gh-102859: Remove JUMP_IF_FALSE_OR_POP and JUMP_IF_TRUE_OR_POP (#102870) 2023-03-22 18:10:48 +00:00
Irit Katriel
8d015fa000
gh-102860: improve performance of compiler's instr_sequence_to_cfg (#102861) 2023-03-21 19:13:49 +00:00
Irit Katriel
634cb61909
gh-87092: refactor assemble() to a number of separate functions, which do not need the compiler struct (#102562) 2023-03-13 15:59:20 +00:00
Irit Katriel
54060ae91d
gh-87092: compiler's CFG construction moved to after codegen stage (#102320) 2023-03-07 18:16:32 +00:00
Irit Katriel
71db5dbcd7
gh-102371: move _Py_Mangle from compile.c to symtable.c (#102372) 2023-03-02 18:38:22 +00:00
Irit Katriel
4c87537efb
gh-102192: Replace PyErr_Fetch/Restore etc by more efficient alternatives (in Python/) (#102193) 2023-02-28 11:50:52 +00:00
Irit Katriel
9f799ab020
gh-87092: Make jump target label equal to the offset of the target in the instructions sequence (#102093) 2023-02-28 11:29:32 +00:00
Steve Dower
a99eb5cd99
gh-101907: Stop using _Py_OPCODE and _Py_OPARG macros (GH-101912) 
* gh-101907: Removes use of non-standard C++ extension from Include/cpython/code.h

* Make cases_generator correct on Windows
 2023-02-20 14:56:48 +00:00
penguin_wwy
df7ccf6138
gh-101928: fix crash in compiler on multi-line lambda in function call (#101933) 2023-02-16 11:31:41 +00:00
Irit Katriel
81e3aa835c
gh-101799: implement PREP_RERAISE_STAR as an intrinsic function (#101800) 2023-02-14 11:54:13 +00:00
Mark Shannon
160f2fe2b9
GH-87849: Simplify stack effect of SEND and specialize it for generators and coroutines. (GH-101788) 2023-02-13 11:24:55 +00:00
Guido van Rossum
65b7b6bd23
gh-98831: Use opcode metadata for stack_effect() (#101704) 
* Write output and metadata in a single run
  This halves the time to run the cases generator
  (most of the time goes into parsing the input).
* Declare or define opcode metadata based on NEED_OPCODE_TABLES
* Use generated metadata for stack_effect()
* compile.o depends on opcode_metadata.h
* Return -1 from _PyOpcode_num_popped/pushed for unknown opcode
 2023-02-08 16:23:19 -08:00
penguin_wwy
753fc8a5d6
gh-101632: Add the new RETURN_CONST opcode (#101633) 2023-02-07 22:32:21 +00:00
Irit Katriel
b91b42d236
gh-98831: rewrite PUSH_EXC_INFO and conditional jumps in the instruction definition DSL (#101481) 2023-02-01 19:38:06 +00:00
Irit Katriel
af7b2db384
gh-99955: use SUCCESS/ERROR return values in optimizer and assembler. Use RETURN_IF_ERROR where appropriate. Fix a couple of bugs. (#101412) 2023-01-31 00:06:19 +00:00
Dong-hee Na
e867c1b753
gh-101400: Fix incorrect lineno in exception message on continue/break which are not in a loop (#101413) 2023-01-30 23:33:54 +00:00
Irit Katriel
19f90d6b97
gh-98831: add variable stack effect support to cases generator (#101309) 2023-01-25 20:41:03 +00:00
Mark Shannon
f02fa64bf2
GH-100762: Don't call gen.throw() in gen.close(), unless necessary. (GH-101013) 
* Store exception stack depth in YIELD_VALUE's oparg and use it avoid expensive gen.throw() in gen.close() where possible.
 2023-01-24 17:25:37 +00:00
Ikko Eltociear Ashimine
4510fbb216
Fix typo in comment in compile.c (#101194) 2023-01-20 18:34:36 +00:00
Irit Katriel
9ec9b203ea
gh-101169: reduce the implementation of except* by one bytecode instruction (#101170) 2023-01-19 23:30:49 +00:00
Mark Shannon
7b14c2ef19
GH-100982: Add COMPARE_AND_BRANCH instruction (GH-100983) 2023-01-16 12:35:21 +00:00
Mark Shannon
6e4e14d98f
GH-100923: Embed jump mask in COMPARE_OP oparg (GH-100924) 2023-01-11 20:40:43 +00:00
Carl Meyer
7116030a25
gh-88696: clean up dead argument to compiler_make_closure (GH-100806) 2023-01-07 12:20:48 +00:00
Mark Shannon
78068126a1
GH-99005: More intrinsics (GH-100774) 
* Remove UNARY_POSITIVE, LIST_TO_TUPLE and ASYNC_GEN_WRAP, replacing them with intrinsics.
 2023-01-06 14:47:57 +00:00
Guido van Rossum
14b7f00fdf
GH-98831: Update generate_cases.py: register inst, opcode_metadata.h (#100735) 
(These aren't used yet, but may be coming soon,
and it's easier to keep this tool the same between branches.)

Added a sanity check for all this to compile.c.

Co-authored-by: Irit Katriel <iritkatriel@yahoo.com>
 2023-01-05 13:01:07 -08:00
Mark Shannon
28187141cc
GH-99005: Add CALL_INTRINSIC_1 instruction (GH-100771) 
* Remove PRINT_EXPR instruction

* Remove STOPITERATION_ERROR instruction

* Remove IMPORT_STAR instruction
 2023-01-05 16:05:51 +00:00
Irit Katriel
52017dbe16
gh-100747: some compiler macros use c instead of C to access the compiler (#100748) 2023-01-04 20:19:20 +00:00
Mark Shannon
15aecf8dd7
GH-100719: Remove the co_nplaincellvars field from code objects. (GH-100721) 2023-01-04 15:41:39 +00:00
Brandt Bucher
09edde95f4
GH-99554: Trim trailing whitespace (GH-100435) 
Automerge-Triggered-By: GH:brandtbucher
 2022-12-22 12:13:51 -08:00
Brandt Bucher
3c033a2e6f
GH-99554: Pack location tables more effectively (GH-99556) 2022-12-21 16:41:18 -08:00
Mark Shannon
6997e77bdf
GH-100222: Redefine _Py_CODEUNIT as a union to clarify structure of code unit. (GH-100223) 2022-12-14 11:12:53 +00:00
Irit Katriel
985a71032b
gh-99955: undef ERROR and SUCCESS before redefining (fixes sanitizer warning) (#100215) 2022-12-13 13:55:10 +00:00
Irit Katriel
e4ea33b178
gh-99955: standardize return values of functions in compiler's code-gen (#100010) 2022-12-12 14:22:15 +00:00
Irit Katriel
ab02262cd0
gh-99955: standardize return values of functions in assembler and optimizer. (#99956) 2022-12-02 17:43:10 +00:00
Irit Katriel
18a6967544
GH-99877) 2022-11-30 16:16:54 +00:00
Irit Katriel
ac12e3941f
gh-87092: move all localsplus preparation into separate function called from assembler stage (GH-99869) 2022-11-30 12:37:30 +00:00
Irit Katriel
ae185fdcca
gh-99708: fix bug where compiler crashes on if expression with an empty body block (GH-99732) 2022-11-24 10:59:07 +00:00
Victor Stinner
135ec7cefb
gh-99537: Use Py_SETREF() function in C code (#99657) 
Fix potential race condition in code patterns:

* Replace "Py_DECREF(var); var = new;" with "Py_SETREF(var, new);"
* Replace "Py_XDECREF(var); var = new;" with "Py_XSETREF(var, new);"
* Replace "Py_CLEAR(var); var = new;" with "Py_XSETREF(var, new);"

Other changes:

* Replace "old = var; var = new; Py_DECREF(var)"
  with "Py_SETREF(var, new);"
* Replace "old = var; var = new; Py_XDECREF(var)"
  with "Py_XSETREF(var, new);"
* And remove the "old" variable.
 2022-11-22 13:39:11 +01:00
Victor Stinner
8211cf5d28
gh-99300: Replace Py_INCREF() with Py_NewRef() (#99530) 
Replace Py_INCREF() and Py_XINCREF() using a cast with Py_NewRef()
and Py_XNewRef().
 2022-11-16 18:34:24 +01:00