Intel Preps GCC Function Multi-Versioning To Support APX & AVX10.2
Intel is preparing the GCC compiler for function multi-versioning to support the new AVX10.2 and APX instruction set extensions. This feature will allow developers to create multiple versions of functions that can be selected at runtime based on the CPU architecture. The patch is currently under review and aims to enhance performance for next-generation Intel processors.
- ▪Intel is working on GCC function multi-versioning for AVX10.2 and APX.
- ▪Function multi-versioning enables runtime selection of optimized code paths based on CPU architecture.
- ▪The patch is under review for inclusion in the upcoming GCC 17 stable release.
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| Original publisher | Phoronix |
| Canonical URL | https://www.phoronix.com/news/GCC-FMV-Patches-APX-AVX10.2 |
| Publication time | Wed, 03 Jun 2026 09:40:00 -0400 |
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Intel Preps GCC Function Multi-Versioning To Support APX & AVX10.2 Written by Michael Larabel in Intel on 3 June 2026 at 09:40 AM EDT. Add A Comment Along with some GCC compiler tuning for Nova Lake and Diamond Rapids to deal with some new APX capabilities not proving beneficial for performance, new patch activity today is preparing GCC for function multi-versioning (FMV) for the AVX10.2 and APX instruction set extensions. Function multi-versioning allows for the programmer to craft multiple versions of the same function that are then selected at run-time based upon the architecture extensions present on the CPU being executed.
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