[Bug target/123969] [riscv64, xtheadvector] app built with gcc-15.2 crashes with SIGILL

law at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Wed Feb 4 14:05:03 GMT 2026


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123969

Jeffrey A. Law <law at gcc dot gnu.org> changed:

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                 CC|                            |law at gcc dot gnu.org

--- Comment #1 from Jeffrey A. Law <law at gcc dot gnu.org> ---
Not familiar with thead vector, but isn't that an LMUL2 with an odd numbered
vector register?   That's what jumps out at me.


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