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UID:pretalx-eu-summit-2026-Q97WYM@cfp.riscv-europe.org
DTSTART;TZID=CET:20260609T110000
DTEND;TZID=CET:20260609T113000
DESCRIPTION:The RISC-V Vector (RVV) extension introduces powerful yet compl
 ex semantics for data-parallel execution\, including dynamically sized vec
 tors\, per-lane masking\, and flexible element widths and groupings. While
  these features offer high performance and portability\, they also complic
 ate debugging\, as existing tools\, such as GDB\, do not present RVV regis
 ters in a configuration-aware manner. Consequently\, raw and verbose regis
 ter dumps must be manually interpreted relative to the current vector regi
 ster state. With register widths of up to 65\,536 bits this quickly become
 s impractical\, making it difficult to understand effects of individual in
 structions and spot values of interest efficiently.\n\nThis demo presents 
 LIBERO\, a lightweight visualization tool integrated directly into GDB thr
 ough its Python API. LIBERO augments GDB’s Text User Interface (TUI) wit
 h a custom register view that continuously displays vector contents alongs
 ide the relevant configuration state during program execution. LIBERO allo
 ws users to select which vector registers to display and automatically ren
 ders them based on the width specified in the status register. By embeddin
 g these capabilities into GDB\, LIBERO enables developers to reason about 
 RVV code more efficiently while preserving the familiar GDB workflow.
DTSTAMP:20260522T162455Z
LOCATION:Devzone
SUMMARY:LIBERO: A Flexible\, Lightweight GDB-based Visualization Tool for R
 ISC-V Vector Extensions - Carsten Trinitis\, Kun Qin\, Jakob Schäffeler\,
  Nima Baradaran Hassanzadeh
URL:https://cfp.riscv-europe.org/eu-summit-2026/talk/Q97WYM/
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