René's URL Explorer Experiment


Title: gh-126910: Verify that JIT stencils preserve frame pointer by Fidget-Spinner · Pull Request #146524 · python/cpython · GitHub

Open Graph Title: gh-126910: Verify that JIT stencils preserve frame pointer by Fidget-Spinner · Pull Request #146524 · python/cpython

X Title: gh-126910: Verify that JIT stencils preserve frame pointer by Fidget-Spinner · Pull Request #146524 · python/cpython

Description: The Python programming language. Contribute to python/cpython development by creating an account on GitHub.

Open Graph Description: This PR introduces a lightweight assembly verifier that the JIT does not clobber the frame pointer. I verified that without #146521 , this will fail JIT compilation on x86-64. Will use CI to test A...

X Description: This PR introduces a lightweight assembly verifier that the JIT does not clobber the frame pointer. I verified that without #146521 , this will fail JIT compilation on x86-64. Will use CI to test A...

Opengraph URL: https://github.com/python/cpython/pull/146524

X: @github

direct link

Domain: github.com

react-profiling0
react-import-mapreact,react-dom,react-dom/client,react-dom/profiling,react-is,react-reconciler,react/compiler-runtime,react/jsx-dev-runtime,react/jsx-runtime,scheduler@d5750093facf
route-pattern/:user_id/:repository/pull/:id/checks(.:format)
route-controllerpull_requests
route-actionchecks
fetch-noncev2:24def32d-2131-a9c8-4646-1ea97aff8c9e
current-catalog-service-hash87dc3bc62d9b466312751bfd5f889726f4f1337bdff4e8be7da7c93d6c00a25a
request-id8576:23372D:2DEFFF:3D6BE6:6AECC726
html-safe-noncebb81970a7635413dc48d1500f311a4bb7696b14e492218a92d06b117ff223863
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiI4NTc2OjIzMzcyRDoyREVGRkY6M0Q2QkU2OjZBRUNDNzI2IiwidmlzaXRvcl9pZCI6IjUxODMzMjAwNzEwOTc1OTk3ODIiLCJyZWdpb25fZWRnZSI6ImlhZCIsInJlZ2lvbl9yZW5kZXIiOiJpYWQifQ==
visitor-hmac7a4adcdaa9f740c7bedc9f213af355ecb04c3f5a4f75e24dc882a03464de92a9
hovercard-subject-tagpull_request:3457498516
github-keyboard-shortcutsrepository,pull-request-list,pull-request-conversation,pull-request-files-changed,checks,copilot
google-site-verificationApib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I
octolytics-urlhttps://collector.github.com/github/collect
analytics-location///pull_requests/show/checks
fb:app_id1401488693436528
apple-itunes-appapp-id=1477376905, app-argument=https://github.com/python/cpython/pull/146524/checks
twitter:imagehttps://opengraph.githubassets.com/963d1b94c96e58326ba7688afc7df4ff44bce624e660b6f5a5718f2861112c2a/python/cpython/pull/146524
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/963d1b94c96e58326ba7688afc7df4ff44bce624e660b6f5a5718f2861112c2a/python/cpython/pull/146524
og:image:altThis PR introduces a lightweight assembly verifier that the JIT does not clobber the frame pointer. I verified that without #146521 , this will fail JIT compilation on x86-64. Will use CI to test A...
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernameFidget-Spinner
hostnamegithub.com
expected-hostnamegithub.com
Nonedc0b519c5798dc1150b88dc4c06a8b9634d0069218dc04e469970e76aad74016
turbo-cache-controlno-cache
go-importgithub.com/python/cpython git https://github.com/python/cpython.git
octolytics-dimension-user_id1525981
octolytics-dimension-user_loginpython
octolytics-dimension-repository_id81598961
octolytics-dimension-repository_nwopython/cpython
octolytics-dimension-repository_publictrue
octolytics-dimension-repository_is_forkfalse
octolytics-dimension-repository_network_root_id81598961
octolytics-dimension-repository_network_root_nwopython/cpython
turbo-body-classeslogged-out env-production page-responsive
disable-turbofalse
browser-stats-urlhttps://api.github.com/_private/browser/stats
browser-errors-urlhttps://api.github.com/_private/browser/errors
releasedb139f0bf57b59bf9a8c4abb0849924d6c6ca559
ui-targetfull
theme-color#1e2327
color-schemelight dark
react-app-namepull-requests

Links:

Skip to contenthttps://github.com/python/cpython/pull/146524/checks#start-of-content
https://github.com/
Sign inhttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F146524%2Fchecks
GitHubRepository hosting, code review, and collaborationhttps://github.com/platform
CopilotAI coding agent for tasks, projects, and automated workhttps://github.com/features/copilot
ActionsCI/CD and automationhttps://github.com/features/actions
Code QualityQuality analysis, fixes, and enforcementhttps://github.com/features/code-quality
CodespacesCloud development environmentshttps://github.com/features/codespaces
Code SecurityVulnerability detection and remediationhttps://github.com/security/advanced-security/code-security
Secret ProtectionSecret scanning and leak preventionhttps://github.com/security/advanced-security/secret-protection
All Featureshttps://github.com/features
Documentationhttps://docs.github.com/en
Traininghttps://learn.github.com/skills
Certificationshttps://learn.github.com/credentials
Build with Copilothttps://github.com/features/ai
Customize Copilothttps://docs.github.com/en/copilot/how-tos/copilot-on-github/customize-copilot/customize-copilot-overview
Integrationshttps://github.com/marketplace
Trending reposhttps://github.com/trending
GitHub Sponsorshttps://github.com/open-source/sponsors
Developer articleshttps://github.com/resources/articles
ChangelogYour source for the latest features, improvements, and fixes across GitHub products, all in one place.https://github.blog/changelog/
Enterpriseshttps://github.com/enterprise
Teamhttps://github.com/team
Startupshttps://github.com/enterprise/startups
Nonprofitshttps://github.com/solutions/industry/nonprofits
Healthcarehttps://github.com/solutions/industry/healthcare
Financial serviceshttps://github.com/solutions/industry/financial-services
Manufacturinghttps://github.com/solutions/industry/manufacturing
Governmenthttps://github.com/solutions/industry/government
See all industrieshttps://github.com/solutions/industry
Why GitHubhttps://github.com/why-github
Customer Storieshttps://github.com/customer-stories
Business insightshttps://github.com/solutions/executive-insights
Trust Centerhttps://github.com/trust-center
GitHub Advanced SecurityEnterprise-grade code securityhttps://github.com/security/advanced-security
Copilot for businessEnterprise-grade AI featureshttps://github.com/features/copilot/copilot-business
Premium SupportEnterprise-grade 24/7 supporthttps://github.com/enterprise/premium-support
Documentationhttps://docs.github.com/en
Resource centerhttps://github.com/resources
Bloghttps://github.blog/
Events & webinarshttps://github.com/resources/events
Community Forumhttps://github.com/orgs/community/discussions
Customer Storieshttps://github.com/customer-stories
Integrationshttps://github.com/marketplace
Customer supporthttps://help.github.com/
Traininghttps://learn.github.com/skills
GitHub Statushttps://www.githubstatus.com/
Abouthttps://github.com/about
Partnershttps://github.com/partners
Changeloghttps://github.blog/changelog/
GitHub UniverseThe event for developers, by developers — talks, workshops, and what’s next for GitHub.https://githubuniverse.com/
Pricinghttps://github.com/pricing
Sign inhttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F146524%2Fchecks
Sign uphttps://github.com/signup?ref_cta=Sign+up&ref_loc=header+logged+out&ref_page=%2F%3Cuser-name%3E%2F%3Crepo-name%3E%2Fpull_requests%2Fshow%2Fchecks&source=header-repo&source_repo=python%2Fcpython
Reloadhttps://github.com/python/cpython/pull/146524/checks
Reloadhttps://github.com/python/cpython/pull/146524/checks
Reloadhttps://github.com/python/cpython/pull/146524/checks
pythonhttps://github.com/python
cpythonhttps://github.com/python/cpython
Codehttps://github.com/python/cpython
Issues5k+ (5k+)https://github.com/python/cpython/issues
Pull requests2.3k (2.3k)https://github.com/python/cpython/pulls
Actionshttps://github.com/python/cpython/actions
Projectshttps://github.com/python/cpython/projects
Security and qualityhttps://github.com/python/cpython/security
Insightshttps://github.com/python/cpython/pulse
https://github.com/python/cpython
Fidget-Spinnerhttps://github.com/Fidget-Spinner
python:mainhttps://github.com/python/cpython/tree/main
Fidget-Spinner:fp_verifierhttps://github.com/Fidget-Spinner/cpython/tree/fp_verifier
Conversationhttps://github.com/python/cpython/pull/146524
Commits11 (11)https://github.com/python/cpython/pull/146524/commits
Checkshttps://github.com/python/cpython/pull/146524/checks
Files changedhttps://github.com/python/cpython/pull/146524/files
gh-126910: Verify that JIT stencils preserve frame pointerhttps://github.com/python/cpython/pull/146524/checks#top
Fidget-Spinnerhttps://github.com/Fidget-Spinner
python:mainhttps://github.com/python/cpython/tree/main
Fidget-Spinner:fp_verifierhttps://github.com/Fidget-Spinner/cpython/tree/fp_verifier
Please reload this pagehttps://github.com/python/cpython/pull/146524/checks
Sign in for the full log viewhttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F146524%2Fchecks
mypy on: pull_request https://github.com/python/cpython/actions/runs/23663049323
Run mypy on Lib/_pyrepl https://github.com/python/cpython/actions/runs/23663049323/job/68937997320?pr=146524
Run mypy on Lib/test/libregrtest https://github.com/python/cpython/actions/runs/23663049323/job/68937997354?pr=146524
Run mypy on Lib/tomllib https://github.com/python/cpython/actions/runs/23663049323/job/68937997348?pr=146524
Run mypy on Tools/build https://github.com/python/cpython/actions/runs/23663049323/job/68937997326?pr=146524
Run mypy on Tools/cases_generator https://github.com/python/cpython/actions/runs/23663049323/job/68937997372?pr=146524
Run mypy on Tools/check-c-api-docs https://github.com/python/cpython/actions/runs/23663049323/job/68937997315?pr=146524
Run mypy on Tools/clinic https://github.com/python/cpython/actions/runs/23663049323/job/68937997331?pr=146524
Run mypy on Tools/jit https://github.com/python/cpython/actions/runs/23663049323/job/68937997434?pr=146524
Run mypy on Tools/peg_generator https://github.com/python/cpython/actions/runs/23663049323/job/68937997346?pr=146524
Check labels on: pull_request https://github.com/python/cpython/actions/runs/23663049328
DO-NOT-MERGE https://github.com/python/cpython/actions/runs/23663049328/job/68937997243?pr=146524
Unresolved review https://github.com/python/cpython/actions/runs/23663049328/job/68937997191?pr=146524
Lint on: pull_request https://github.com/python/cpython/actions/runs/23663049340
lint https://github.com/python/cpython/actions/runs/23663049340/job/68937997327?pr=146524
JIT on: pull_request https://github.com/python/cpython/actions/runs/23663049343
Interpreter (Debug) https://github.com/python/cpython/actions/runs/23663049343/job/68938041183?pr=146524
i686-pc-windows-msvc/msvc (Debug) https://github.com/python/cpython/actions/runs/23663049343/job/68938041213?pr=146524
i686-pc-windows-msvc/msvc (Release) https://github.com/python/cpython/actions/runs/23663049343/job/68938041232?pr=146524
x86_64-pc-windows-msvc/msvc (Debug) https://github.com/python/cpython/actions/runs/23663049343/job/68938041233?pr=146524
x86_64-pc-windows-msvc/msvc (Release) https://github.com/python/cpython/actions/runs/23663049343/job/68938041211?pr=146524
aarch64-pc-windows-msvc/msvc (Debug) https://github.com/python/cpython/actions/runs/23663049343/job/68938041229?pr=146524
aarch64-pc-windows-msvc/msvc (Release) https://github.com/python/cpython/actions/runs/23663049343/job/68938041253?pr=146524
x86_64-apple-darwin/clang (Debug) https://github.com/python/cpython/actions/runs/23663049343/job/68938041186?pr=146524
x86_64-apple-darwin/clang (Release) https://github.com/python/cpython/actions/runs/23663049343/job/68938041203?pr=146524
aarch64-apple-darwin/clang (Debug) https://github.com/python/cpython/actions/runs/23663049343/job/68938041244?pr=146524
aarch64-apple-darwin/clang (Release) https://github.com/python/cpython/actions/runs/23663049343/job/68938041212?pr=146524
x86_64-unknown-linux-gnu/gcc (Debug) https://github.com/python/cpython/actions/runs/23663049343/job/68938041206?pr=146524
x86_64-unknown-linux-gnu/gcc (Release) https://github.com/python/cpython/actions/runs/23663049343/job/68938041167?pr=146524
aarch64-unknown-linux-gnu/gcc (Debug) https://github.com/python/cpython/actions/runs/23663049343/job/68938041254?pr=146524
aarch64-unknown-linux-gnu/gcc (Release) https://github.com/python/cpython/actions/runs/23663049343/job/68938041177?pr=146524
Free-Threaded (Debug) https://github.com/python/cpython/actions/runs/23663049343/job/68938041161?pr=146524
JIT without optimizations (Debug) https://github.com/python/cpython/actions/runs/23663049343/job/68938041176?pr=146524
JIT with tail calling interpreter https://github.com/python/cpython/actions/runs/23663049343/job/68938041181?pr=146524
Tests on: pull_request https://github.com/python/cpython/actions/runs/23663049364
Change detection / Create context from changed files https://github.com/python/cpython/actions/runs/23663049364/job/68938048473?pr=146524
Docs https://github.com/python/cpython/actions/runs/23663049364/job/68938077436?pr=146524
Check if Autoconf files are up to date https://github.com/python/cpython/actions/runs/23663049364/job/68938077279?pr=146524
Check if generated files are up to date https://github.com/python/cpython/actions/runs/23663049364/job/68938077207?pr=146524
C API Docs / Check if all C APIs are documented https://github.com/python/cpython/actions/runs/23663049364/job/68938077341?pr=146524
Windows / Build and test (x64) https://github.com/python/cpython/actions/runs/23663049364/job/68938077565?pr=146524
Windows (free-threading) / Build and test (x64) https://github.com/python/cpython/actions/runs/23663049364/job/68938077522?pr=146524
Windows / Build and test (Win32) https://github.com/python/cpython/actions/runs/23663049364/job/68938077529?pr=146524
Windows / Build and test (arm64) https://github.com/python/cpython/actions/runs/23663049364/job/68938077499?pr=146524
Windows (free-threading) / Build and test (arm64) https://github.com/python/cpython/actions/runs/23663049364/job/68938077473?pr=146524
Windows MSI${{ '' }} https://github.com/python/cpython/actions/runs/23663049364/job/68938077536?pr=146524
macOS / build and test (macos-26) https://github.com/python/cpython/actions/runs/23663049364/job/68938077567?pr=146524
macOS (free-threading) / build and test (macos-26) https://github.com/python/cpython/actions/runs/23663049364/job/68938077570?pr=146524
macOS / build and test (macos-26-intel) https://github.com/python/cpython/actions/runs/23663049364/job/68938077748?pr=146524
Ubuntu / build and test (ubuntu-24.04) https://github.com/python/cpython/actions/runs/23663049364/job/68938077645?pr=146524
Ubuntu / build and test (ubuntu-24.04-arm) https://github.com/python/cpython/actions/runs/23663049364/job/68938077640?pr=146524
Ubuntu (free-threading) / build and test (ubuntu-24.04) https://github.com/python/cpython/actions/runs/23663049364/job/68938077624?pr=146524
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm) https://github.com/python/cpython/actions/runs/23663049364/job/68938077669?pr=146524
Ubuntu (bolt) / build and test (ubuntu-24.04) https://github.com/python/cpython/actions/runs/23663049364/job/68938077629?pr=146524
Ubuntu SSL tests (ubuntu-24.04, openssl, 1.1.1w) https://github.com/python/cpython/actions/runs/23663049364/job/68938077366?pr=146524
Ubuntu SSL tests (ubuntu-24.04, openssl, 3.0.19) https://github.com/python/cpython/actions/runs/23663049364/job/68938077369?pr=146524
Ubuntu SSL tests (ubuntu-24.04, openssl, 3.3.6) https://github.com/python/cpython/actions/runs/23663049364/job/68938077374?pr=146524
Ubuntu SSL tests (ubuntu-24.04, openssl, 3.4.4) https://github.com/python/cpython/actions/runs/23663049364/job/68938077409?pr=146524
Ubuntu SSL tests (ubuntu-24.04, openssl, 3.5.5) https://github.com/python/cpython/actions/runs/23663049364/job/68938077422?pr=146524
Ubuntu SSL tests (ubuntu-24.04, openssl, 3.6.1) https://github.com/python/cpython/actions/runs/23663049364/job/68938077464?pr=146524
Ubuntu SSL tests (ubuntu-24.04, aws-lc, 1.68.0) https://github.com/python/cpython/actions/runs/23663049364/job/68938077472?pr=146524
Android (aarch64) https://github.com/python/cpython/actions/runs/23663049364/job/68938077302?pr=146524
Android (x86_64) https://github.com/python/cpython/actions/runs/23663049364/job/68938077301?pr=146524
iOS https://github.com/python/cpython/actions/runs/23663049364/job/68938077281?pr=146524
Emscripten / build and test https://github.com/python/cpython/actions/runs/23663049364/job/68938077513?pr=146524
WASI / build and test https://github.com/python/cpython/actions/runs/23663049364/job/68938077420?pr=146524
Hypothesis tests on Ubuntu https://github.com/python/cpython/actions/runs/23663049364/job/68938077308?pr=146524
Address sanitizer (ubuntu-24.04) https://github.com/python/cpython/actions/runs/23663049364/job/68938077370?pr=146524
Sanitizers / TSan https://github.com/python/cpython/actions/runs/23663049364/job/68938077613?pr=146524
Sanitizers / TSan (free-threading) https://github.com/python/cpython/actions/runs/23663049364/job/68938077638?pr=146524
Sanitizers / UBSan https://github.com/python/cpython/actions/runs/23663049364/job/68938077576?pr=146524
Cross build Linux https://github.com/python/cpython/actions/runs/23663049364/job/68938077362?pr=146524
CIFuzz / cpython3 (address) https://github.com/python/cpython/actions/runs/23663049364/job/68938077577?pr=146524
CIFuzz / cpython3 (undefined) https://github.com/python/cpython/actions/runs/23663049364/job/68938077558?pr=146524
CIFuzz / cpython3 (memory) https://github.com/python/cpython/actions/runs/23663049364/job/68938077589?pr=146524
All required checks pass https://github.com/python/cpython/actions/runs/23663049364/job/68941473042?pr=146524
Tail calling interpreter on: pull_request https://github.com/python/cpython/actions/runs/23663049366
x86_64-pc-windows-msvc/msvc https://github.com/python/cpython/actions/runs/23663049366/job/68937997369?pr=146524
x86_64-pc-windows-msvc/msvc-free-threading https://github.com/python/cpython/actions/runs/23663049366/job/68937997356?pr=146524
x86_64-apple-darwin/clang https://github.com/python/cpython/actions/runs/23663049366/job/68937997323?pr=146524
aarch64-apple-darwin/clang https://github.com/python/cpython/actions/runs/23663049366/job/68937997411?pr=146524
x86_64-unknown-linux-gnu/gcc https://github.com/python/cpython/actions/runs/23663049366/job/68937997416?pr=146524
x86_64-unknown-linux-gnu/gcc-free-threading https://github.com/python/cpython/actions/runs/23663049366/job/68937997362?pr=146524
aarch64-unknown-linux-gnu/gcc https://github.com/python/cpython/actions/runs/23663049366/job/68937997387?pr=146524
ClusterFuzzLite/CIFuzz https://github.com/python/cpython/pull/146524/checks?check_run_id=68940613904
Check labels on: pull_request https://github.com/python/cpython/actions/runs/23664232341
DO-NOT-MERGE https://github.com/python/cpython/actions/runs/23664232341/job/68942030204?pr=146524
Unresolved review https://github.com/python/cpython/actions/runs/23664232341/job/68942030205?pr=146524
https://github.com
Termshttps://docs.github.com/site-policy/github-terms/github-terms-of-service
Privacyhttps://docs.github.com/site-policy/privacy-policies/github-privacy-statement
Securityhttps://github.com/security
Statushttps://www.githubstatus.com/
Communityhttps://github.community/
Docshttps://docs.github.com/
Contacthttps://support.github.com?tags=dotcom-footer

Viewport: width=device-width


URLs of crawlers that visited me.