{
  "id": 3715312,
  "title": "LLVM Improves Zen 1 / Zen 2 Support To Deal With \"Notoriously Bad\" PDEP/PEXT",
  "url": "https://urgent.news/2026/08/27/llvm-improves-zen-1-zen-2-support-to-deal-with-notoriously-bad-pdep",
  "topic": "tech",
  "section": "Tech",
  "published": "2026-08-27T10:05:07.000Z",
  "source": {
    "name": "Phoronix",
    "slug": "phoronix",
    "url": "https://www.phoronix.com/news/LLVM-Improve-AMD-PDEP-PEXT"
  },
  "original_language": "en",
  "account": null,
  "summary": "The LLVM/Clang compiler toolchain merged overnight better support for the nearly decade-old AMD Zen 1 processors and also helps with Zen+ and Zen 2 processors too. This latest work thanks to the open-source community is for providing more informed instruction scheduling around PDEP and PEXT that end up being quite costly for these original Zen processors...",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}